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>
46 #include <linux/if_tun.h>
49 #include <linux/rtc.h>
53 #if defined(CONFIG_SLIRP)
59 #include <sys/timeb.h>
61 #define getopt_long_only getopt_long
62 #define memalign(align, size) malloc(size)
66 #if defined(__linux__)
67 /* SDL use the pthreads and they modify sigaction. We don't
69 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2))
70 extern void __libc_sigaction();
71 #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact)
73 extern void __sigaction();
74 #define sigaction(sig, act, oact) __sigaction(sig, act, oact)
76 #endif /* __linux__ */
77 #endif /* CONFIG_SDL */
85 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
87 //#define DEBUG_UNUSED_IOPORT
88 //#define DEBUG_IOPORT
90 #if !defined(CONFIG_SOFTMMU)
91 #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
93 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
97 #define DEFAULT_RAM_SIZE 144
99 #define DEFAULT_RAM_SIZE 32
102 #define GUI_REFRESH_INTERVAL 30
104 /* XXX: use a two level table to limit memory usage */
105 #define MAX_IOPORTS 65536
107 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
108 char phys_ram_file
[1024];
109 CPUState
*global_env
;
110 CPUState
*cpu_single_env
;
111 void *ioport_opaque
[MAX_IOPORTS
];
112 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
113 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
114 BlockDriverState
*bs_table
[MAX_DISKS
], *fd_table
[MAX_FD
];
117 static DisplayState display_state
;
119 int64_t ticks_per_sec
;
120 int boot_device
= 'c';
122 static char network_script
[1024];
123 int pit_min_timer_count
= 0;
125 NetDriverState nd_table
[MAX_NICS
];
126 SerialState
*serial_console
;
127 QEMUTimer
*gui_timer
;
129 int audio_enabled
= 0;
131 int prep_enabled
= 0;
133 int cirrus_vga_enabled
= 0;
134 int graphic_width
= 640;
135 int graphic_height
= 480;
136 int graphic_depth
= 15;
138 /***********************************************************/
139 /* x86 ISA bus support */
141 target_phys_addr_t isa_mem_base
= 0;
143 uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
145 #ifdef DEBUG_UNUSED_IOPORT
146 fprintf(stderr
, "inb: port=0x%04x\n", address
);
151 void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
153 #ifdef DEBUG_UNUSED_IOPORT
154 fprintf(stderr
, "outb: port=0x%04x data=0x%02x\n", address
, data
);
158 /* default is to make two byte accesses */
159 uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
162 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
163 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
164 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
168 void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
170 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
171 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
172 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
175 uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
177 #ifdef DEBUG_UNUSED_IOPORT
178 fprintf(stderr
, "inl: port=0x%04x\n", address
);
183 void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
185 #ifdef DEBUG_UNUSED_IOPORT
186 fprintf(stderr
, "outl: port=0x%04x data=0x%02x\n", address
, data
);
190 void init_ioports(void)
194 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
195 ioport_read_table
[0][i
] = default_ioport_readb
;
196 ioport_write_table
[0][i
] = default_ioport_writeb
;
197 ioport_read_table
[1][i
] = default_ioport_readw
;
198 ioport_write_table
[1][i
] = default_ioport_writew
;
199 ioport_read_table
[2][i
] = default_ioport_readl
;
200 ioport_write_table
[2][i
] = default_ioport_writel
;
204 /* size is the word size in byte */
205 int register_ioport_read(int start
, int length
, int size
,
206 IOPortReadFunc
*func
, void *opaque
)
212 } else if (size
== 2) {
214 } else if (size
== 4) {
217 hw_error("register_ioport_read: invalid size");
220 for(i
= start
; i
< start
+ length
; i
+= size
) {
221 ioport_read_table
[bsize
][i
] = func
;
222 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
223 hw_error("register_ioport_read: invalid opaque");
224 ioport_opaque
[i
] = opaque
;
229 /* size is the word size in byte */
230 int register_ioport_write(int start
, int length
, int size
,
231 IOPortWriteFunc
*func
, void *opaque
)
237 } else if (size
== 2) {
239 } else if (size
== 4) {
242 hw_error("register_ioport_write: invalid size");
245 for(i
= start
; i
< start
+ length
; i
+= size
) {
246 ioport_write_table
[bsize
][i
] = func
;
247 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
248 hw_error("register_ioport_read: invalid opaque");
249 ioport_opaque
[i
] = opaque
;
254 void isa_unassign_ioport(int start
, int length
)
258 for(i
= start
; i
< start
+ length
; i
++) {
259 ioport_read_table
[0][i
] = default_ioport_readb
;
260 ioport_read_table
[1][i
] = default_ioport_readw
;
261 ioport_read_table
[2][i
] = default_ioport_readl
;
263 ioport_write_table
[0][i
] = default_ioport_writeb
;
264 ioport_write_table
[1][i
] = default_ioport_writew
;
265 ioport_write_table
[2][i
] = default_ioport_writel
;
269 void pstrcpy(char *buf
, int buf_size
, const char *str
)
279 if (c
== 0 || q
>= buf
+ buf_size
- 1)
286 /* strcat and truncate. */
287 char *pstrcat(char *buf
, int buf_size
, const char *s
)
292 pstrcpy(buf
+ len
, buf_size
- len
, s
);
296 /* return the size or -1 if error */
297 int get_image_size(const char *filename
)
300 fd
= open(filename
, O_RDONLY
| O_BINARY
);
303 size
= lseek(fd
, 0, SEEK_END
);
308 /* return the size or -1 if error */
309 int load_image(const char *filename
, uint8_t *addr
)
312 fd
= open(filename
, O_RDONLY
| O_BINARY
);
315 size
= lseek(fd
, 0, SEEK_END
);
316 lseek(fd
, 0, SEEK_SET
);
317 if (read(fd
, addr
, size
) != size
) {
325 void cpu_outb(CPUState
*env
, int addr
, int val
)
328 if (loglevel
& CPU_LOG_IOPORT
)
329 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
331 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
334 void cpu_outw(CPUState
*env
, int addr
, int val
)
337 if (loglevel
& CPU_LOG_IOPORT
)
338 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
340 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
343 void cpu_outl(CPUState
*env
, int addr
, int val
)
346 if (loglevel
& CPU_LOG_IOPORT
)
347 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
349 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
352 int cpu_inb(CPUState
*env
, int addr
)
355 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
357 if (loglevel
& CPU_LOG_IOPORT
)
358 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
363 int cpu_inw(CPUState
*env
, int addr
)
366 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
368 if (loglevel
& CPU_LOG_IOPORT
)
369 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
374 int cpu_inl(CPUState
*env
, int addr
)
377 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
379 if (loglevel
& CPU_LOG_IOPORT
)
380 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
385 /***********************************************************/
386 void hw_error(const char *fmt
, ...)
391 fprintf(stderr
, "qemu: hardware error: ");
392 vfprintf(stderr
, fmt
, ap
);
393 fprintf(stderr
, "\n");
395 cpu_x86_dump_state(global_env
, stderr
, X86_DUMP_FPU
| X86_DUMP_CCOP
);
397 cpu_dump_state(global_env
, stderr
, 0);
403 /***********************************************************/
406 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
407 static void *qemu_put_kbd_event_opaque
;
408 static QEMUPutMouseEvent
*qemu_put_mouse_event
;
409 static void *qemu_put_mouse_event_opaque
;
411 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
413 qemu_put_kbd_event_opaque
= opaque
;
414 qemu_put_kbd_event
= func
;
417 void qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
, void *opaque
)
419 qemu_put_mouse_event_opaque
= opaque
;
420 qemu_put_mouse_event
= func
;
423 void kbd_put_keycode(int keycode
)
425 if (qemu_put_kbd_event
) {
426 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
430 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
432 if (qemu_put_mouse_event
) {
433 qemu_put_mouse_event(qemu_put_mouse_event_opaque
,
434 dx
, dy
, dz
, buttons_state
);
438 /***********************************************************/
441 #if defined(__powerpc__)
443 static inline uint32_t get_tbl(void)
446 asm volatile("mftb %0" : "=r" (tbl
));
450 static inline uint32_t get_tbu(void)
453 asm volatile("mftbu %0" : "=r" (tbl
));
457 int64_t cpu_get_real_ticks(void)
460 /* NOTE: we test if wrapping has occurred */
466 return ((int64_t)h
<< 32) | l
;
469 #elif defined(__i386__)
471 int64_t cpu_get_real_ticks(void)
474 asm volatile ("rdtsc" : "=A" (val
));
478 #elif defined(__x86_64__)
480 int64_t cpu_get_real_ticks(void)
484 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
492 #error unsupported CPU
495 static int64_t cpu_ticks_offset
;
496 static int cpu_ticks_enabled
;
498 static inline int64_t cpu_get_ticks(void)
500 if (!cpu_ticks_enabled
) {
501 return cpu_ticks_offset
;
503 return cpu_get_real_ticks() + cpu_ticks_offset
;
507 /* enable cpu_get_ticks() */
508 void cpu_enable_ticks(void)
510 if (!cpu_ticks_enabled
) {
511 cpu_ticks_offset
-= cpu_get_real_ticks();
512 cpu_ticks_enabled
= 1;
516 /* disable cpu_get_ticks() : the clock is stopped. You must not call
517 cpu_get_ticks() after that. */
518 void cpu_disable_ticks(void)
520 if (cpu_ticks_enabled
) {
521 cpu_ticks_offset
= cpu_get_ticks();
522 cpu_ticks_enabled
= 0;
526 static int64_t get_clock(void)
531 return ((int64_t)tb
.time
* 1000 + (int64_t)tb
.millitm
) * 1000;
534 gettimeofday(&tv
, NULL
);
535 return tv
.tv_sec
* 1000000LL + tv
.tv_usec
;
539 void cpu_calibrate_ticks(void)
544 ticks
= cpu_get_real_ticks();
550 usec
= get_clock() - usec
;
551 ticks
= cpu_get_real_ticks() - ticks
;
552 ticks_per_sec
= (ticks
* 1000000LL + (usec
>> 1)) / usec
;
555 /* compute with 96 bit intermediate result: (a*b)/c */
556 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
561 #ifdef WORDS_BIGENDIAN
571 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
572 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
575 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
579 #define QEMU_TIMER_REALTIME 0
580 #define QEMU_TIMER_VIRTUAL 1
584 /* XXX: add frequency */
592 struct QEMUTimer
*next
;
598 static QEMUTimer
*active_timers
[2];
600 static MMRESULT timerID
;
602 /* frequency of the times() clock tick */
603 static int timer_freq
;
606 QEMUClock
*qemu_new_clock(int type
)
609 clock
= qemu_mallocz(sizeof(QEMUClock
));
616 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
620 ts
= qemu_mallocz(sizeof(QEMUTimer
));
627 void qemu_free_timer(QEMUTimer
*ts
)
632 /* stop a timer, but do not dealloc it */
633 void qemu_del_timer(QEMUTimer
*ts
)
637 /* NOTE: this code must be signal safe because
638 qemu_timer_expired() can be called from a signal. */
639 pt
= &active_timers
[ts
->clock
->type
];
652 /* modify the current timer so that it will be fired when current_time
653 >= expire_time. The corresponding callback will be called. */
654 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
660 /* add the timer in the sorted list */
661 /* NOTE: this code must be signal safe because
662 qemu_timer_expired() can be called from a signal. */
663 pt
= &active_timers
[ts
->clock
->type
];
668 if (t
->expire_time
> expire_time
)
672 ts
->expire_time
= expire_time
;
677 int qemu_timer_pending(QEMUTimer
*ts
)
680 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
687 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
691 return (timer_head
->expire_time
<= current_time
);
694 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
700 if (ts
->expire_time
> current_time
)
702 /* remove timer from the list before calling the callback */
703 *ptimer_head
= ts
->next
;
706 /* run the callback (the timer list can be modified) */
711 int64_t qemu_get_clock(QEMUClock
*clock
)
713 switch(clock
->type
) {
714 case QEMU_TIMER_REALTIME
:
716 return GetTickCount();
721 /* Note that using gettimeofday() is not a good solution
722 for timers because its value change when the date is
724 if (timer_freq
== 100) {
725 return times(&tp
) * 10;
727 return ((int64_t)times(&tp
) * 1000) / timer_freq
;
732 case QEMU_TIMER_VIRTUAL
:
733 return cpu_get_ticks();
738 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
740 uint64_t expire_time
;
742 if (qemu_timer_pending(ts
)) {
743 expire_time
= ts
->expire_time
;
747 qemu_put_be64(f
, expire_time
);
750 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
752 uint64_t expire_time
;
754 expire_time
= qemu_get_be64(f
);
755 if (expire_time
!= -1) {
756 qemu_mod_timer(ts
, expire_time
);
762 static void timer_save(QEMUFile
*f
, void *opaque
)
764 if (cpu_ticks_enabled
) {
765 hw_error("cannot save state if virtual timers are running");
767 qemu_put_be64s(f
, &cpu_ticks_offset
);
768 qemu_put_be64s(f
, &ticks_per_sec
);
771 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
775 if (cpu_ticks_enabled
) {
778 qemu_get_be64s(f
, &cpu_ticks_offset
);
779 qemu_get_be64s(f
, &ticks_per_sec
);
784 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
785 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
787 static void host_alarm_handler(int host_signum
)
790 if (qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
791 qemu_get_clock(vm_clock
)) ||
792 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
793 qemu_get_clock(rt_clock
))) {
794 /* stop the cpu because a timer occured */
795 cpu_interrupt(global_env
, CPU_INTERRUPT_EXIT
);
801 #if defined(__linux__)
803 #define RTC_FREQ 1024
807 static int start_rtc_timer(void)
809 rtc_fd
= open("/dev/rtc", O_RDONLY
);
812 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
813 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
814 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
815 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
818 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
823 pit_min_timer_count
= PIT_FREQ
/ RTC_FREQ
;
829 static int start_rtc_timer(void)
834 #endif /* !defined(__linux__) */
836 #endif /* !defined(_WIN32) */
838 static void init_timers(void)
840 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
841 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
846 timerID
= timeSetEvent(10, // interval (ms)
848 host_alarm_handler
, // function
849 (DWORD
)&count
, // user parameter
850 TIME_PERIODIC
| TIME_CALLBACK_FUNCTION
);
852 perror("failed timer alarm");
856 pit_min_timer_count
= ((uint64_t)10000 * PIT_FREQ
) / 1000000;
859 struct sigaction act
;
860 struct itimerval itv
;
862 /* get times() syscall frequency */
863 timer_freq
= sysconf(_SC_CLK_TCK
);
866 sigfillset(&act
.sa_mask
);
868 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
869 act
.sa_flags
|= SA_ONSTACK
;
871 act
.sa_handler
= host_alarm_handler
;
872 sigaction(SIGALRM
, &act
, NULL
);
874 itv
.it_interval
.tv_sec
= 0;
875 itv
.it_interval
.tv_usec
= 1000;
876 itv
.it_value
.tv_sec
= 0;
877 itv
.it_value
.tv_usec
= 10 * 1000;
878 setitimer(ITIMER_REAL
, &itv
, NULL
);
879 /* we probe the tick duration of the kernel to inform the user if
880 the emulated kernel requested a too high timer frequency */
881 getitimer(ITIMER_REAL
, &itv
);
883 if (itv
.it_interval
.tv_usec
> 1000) {
884 /* try to use /dev/rtc to have a faster timer */
885 if (start_rtc_timer() < 0)
888 itv
.it_interval
.tv_sec
= 0;
889 itv
.it_interval
.tv_usec
= 0;
890 itv
.it_value
.tv_sec
= 0;
891 itv
.it_value
.tv_usec
= 0;
892 setitimer(ITIMER_REAL
, &itv
, NULL
);
895 sigaction(SIGIO
, &act
, NULL
);
896 fcntl(rtc_fd
, F_SETFL
, O_ASYNC
);
897 fcntl(rtc_fd
, F_SETOWN
, getpid());
900 pit_min_timer_count
= ((uint64_t)itv
.it_interval
.tv_usec
*
907 void quit_timers(void)
910 timeKillEvent(timerID
);
914 /***********************************************************/
919 int serial_open_device(void)
926 int serial_open_device(void)
928 char slave_name
[1024];
929 int master_fd
, slave_fd
;
931 if (serial_console
== NULL
&& nographic
) {
932 /* use console for serial port */
937 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
938 fprintf(stderr
, "warning: could not create pseudo terminal for serial port\n");
941 fprintf(stderr
, "Serial port redirected to %s\n", slave_name
);
951 /***********************************************************/
952 /* Linux network device redirectors */
954 void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
958 for(i
=0;i
<size
;i
+=16) {
962 fprintf(f
, "%08x ", i
);
965 fprintf(f
, " %02x", buf
[i
+j
]);
972 if (c
< ' ' || c
> '~')
980 void qemu_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
982 nd
->send_packet(nd
, buf
, size
);
985 void qemu_add_read_packet(NetDriverState
*nd
, IOCanRWHandler
*fd_can_read
,
986 IOReadHandler
*fd_read
, void *opaque
)
988 nd
->add_read_packet(nd
, fd_can_read
, fd_read
, opaque
);
991 /* dummy network adapter */
993 static void dummy_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
997 static void dummy_add_read_packet(NetDriverState
*nd
,
998 IOCanRWHandler
*fd_can_read
,
999 IOReadHandler
*fd_read
, void *opaque
)
1003 static int net_dummy_init(NetDriverState
*nd
)
1005 nd
->send_packet
= dummy_send_packet
;
1006 nd
->add_read_packet
= dummy_add_read_packet
;
1007 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "dummy");
1011 #if defined(CONFIG_SLIRP)
1013 /* slirp network adapter */
1015 static void *slirp_fd_opaque
;
1016 static IOCanRWHandler
*slirp_fd_can_read
;
1017 static IOReadHandler
*slirp_fd_read
;
1018 static int slirp_inited
;
1020 int slirp_can_output(void)
1022 return slirp_fd_can_read(slirp_fd_opaque
);
1025 void slirp_output(const uint8_t *pkt
, int pkt_len
)
1028 printf("output:\n");
1029 hex_dump(stdout
, pkt
, pkt_len
);
1031 slirp_fd_read(slirp_fd_opaque
, pkt
, pkt_len
);
1034 static void slirp_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1038 hex_dump(stdout
, buf
, size
);
1040 slirp_input(buf
, size
);
1043 static void slirp_add_read_packet(NetDriverState
*nd
,
1044 IOCanRWHandler
*fd_can_read
,
1045 IOReadHandler
*fd_read
, void *opaque
)
1047 slirp_fd_opaque
= opaque
;
1048 slirp_fd_can_read
= fd_can_read
;
1049 slirp_fd_read
= fd_read
;
1052 static int net_slirp_init(NetDriverState
*nd
)
1054 if (!slirp_inited
) {
1058 nd
->send_packet
= slirp_send_packet
;
1059 nd
->add_read_packet
= slirp_add_read_packet
;
1060 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "slirp");
1064 #endif /* CONFIG_SLIRP */
1066 #if !defined(_WIN32)
1068 static int tun_open(char *ifname
, int ifname_size
)
1074 fd
= open("/dev/tap", O_RDWR
);
1076 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
1081 dev
= devname(s
.st_rdev
, S_IFCHR
);
1082 pstrcpy(ifname
, ifname_size
, dev
);
1084 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1088 static int tun_open(char *ifname
, int ifname_size
)
1093 fd
= open("/dev/net/tun", O_RDWR
);
1095 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
1098 memset(&ifr
, 0, sizeof(ifr
));
1099 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
1100 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tun%d");
1101 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
1103 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
1107 printf("Connected to host network interface: %s\n", ifr
.ifr_name
);
1108 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
1109 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
1114 static void tun_send_packet(NetDriverState
*nd
, const uint8_t *buf
, int size
)
1116 write(nd
->fd
, buf
, size
);
1119 static void tun_add_read_packet(NetDriverState
*nd
,
1120 IOCanRWHandler
*fd_can_read
,
1121 IOReadHandler
*fd_read
, void *opaque
)
1123 qemu_add_fd_read_handler(nd
->fd
, fd_can_read
, fd_read
, opaque
);
1126 static int net_tun_init(NetDriverState
*nd
)
1132 nd
->fd
= tun_open(nd
->ifname
, sizeof(nd
->ifname
));
1136 /* try to launch network init script */
1141 *parg
++ = network_script
;
1142 *parg
++ = nd
->ifname
;
1144 execv(network_script
, args
);
1147 while (waitpid(pid
, &status
, 0) != pid
);
1148 if (!WIFEXITED(status
) ||
1149 WEXITSTATUS(status
) != 0) {
1150 fprintf(stderr
, "%s: could not launch network script\n",
1154 nd
->send_packet
= tun_send_packet
;
1155 nd
->add_read_packet
= tun_add_read_packet
;
1159 static int net_fd_init(NetDriverState
*nd
, int fd
)
1162 nd
->send_packet
= tun_send_packet
;
1163 nd
->add_read_packet
= tun_add_read_packet
;
1164 pstrcpy(nd
->ifname
, sizeof(nd
->ifname
), "tunfd");
1168 #endif /* !_WIN32 */
1170 /***********************************************************/
1175 static void term_exit(void)
1179 static void term_init(void)
1185 /* init terminal so that we can grab keys */
1186 static struct termios oldtty
;
1188 static void term_exit(void)
1190 tcsetattr (0, TCSANOW
, &oldtty
);
1193 static void term_init(void)
1197 tcgetattr (0, &tty
);
1200 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1201 |INLCR
|IGNCR
|ICRNL
|IXON
);
1202 tty
.c_oflag
|= OPOST
;
1203 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
1204 /* if graphical mode, we allow Ctrl-C handling */
1206 tty
.c_lflag
&= ~ISIG
;
1207 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
1210 tty
.c_cc
[VTIME
] = 0;
1212 tcsetattr (0, TCSANOW
, &tty
);
1216 fcntl(0, F_SETFL
, O_NONBLOCK
);
1221 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
1225 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
1229 static void dumb_refresh(DisplayState
*ds
)
1231 vga_update_display();
1234 void dumb_display_init(DisplayState
*ds
)
1239 ds
->dpy_update
= dumb_update
;
1240 ds
->dpy_resize
= dumb_resize
;
1241 ds
->dpy_refresh
= dumb_refresh
;
1244 #if !defined(CONFIG_SOFTMMU)
1245 /***********************************************************/
1246 /* cpu signal handler */
1247 static void host_segv_handler(int host_signum
, siginfo_t
*info
,
1250 if (cpu_signal_handler(host_signum
, info
, puc
))
1257 /***********************************************************/
1260 #define MAX_IO_HANDLERS 64
1262 typedef struct IOHandlerRecord
{
1264 IOCanRWHandler
*fd_can_read
;
1265 IOReadHandler
*fd_read
;
1267 /* temporary data */
1270 struct IOHandlerRecord
*next
;
1273 static IOHandlerRecord
*first_io_handler
;
1275 int qemu_add_fd_read_handler(int fd
, IOCanRWHandler
*fd_can_read
,
1276 IOReadHandler
*fd_read
, void *opaque
)
1278 IOHandlerRecord
*ioh
;
1280 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
1284 ioh
->fd_can_read
= fd_can_read
;
1285 ioh
->fd_read
= fd_read
;
1286 ioh
->opaque
= opaque
;
1287 ioh
->next
= first_io_handler
;
1288 first_io_handler
= ioh
;
1292 void qemu_del_fd_read_handler(int fd
)
1294 IOHandlerRecord
**pioh
, *ioh
;
1296 pioh
= &first_io_handler
;
1301 if (ioh
->fd
== fd
) {
1309 /***********************************************************/
1310 /* savevm/loadvm support */
1312 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
1314 fwrite(buf
, 1, size
, f
);
1317 void qemu_put_byte(QEMUFile
*f
, int v
)
1322 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
1324 qemu_put_byte(f
, v
>> 8);
1325 qemu_put_byte(f
, v
);
1328 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
1330 qemu_put_byte(f
, v
>> 24);
1331 qemu_put_byte(f
, v
>> 16);
1332 qemu_put_byte(f
, v
>> 8);
1333 qemu_put_byte(f
, v
);
1336 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
1338 qemu_put_be32(f
, v
>> 32);
1339 qemu_put_be32(f
, v
);
1342 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size
)
1344 return fread(buf
, 1, size
, f
);
1347 int qemu_get_byte(QEMUFile
*f
)
1357 unsigned int qemu_get_be16(QEMUFile
*f
)
1360 v
= qemu_get_byte(f
) << 8;
1361 v
|= qemu_get_byte(f
);
1365 unsigned int qemu_get_be32(QEMUFile
*f
)
1368 v
= qemu_get_byte(f
) << 24;
1369 v
|= qemu_get_byte(f
) << 16;
1370 v
|= qemu_get_byte(f
) << 8;
1371 v
|= qemu_get_byte(f
);
1375 uint64_t qemu_get_be64(QEMUFile
*f
)
1378 v
= (uint64_t)qemu_get_be32(f
) << 32;
1379 v
|= qemu_get_be32(f
);
1383 int64_t qemu_ftell(QEMUFile
*f
)
1388 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
1390 if (fseek(f
, pos
, whence
) < 0)
1395 typedef struct SaveStateEntry
{
1399 SaveStateHandler
*save_state
;
1400 LoadStateHandler
*load_state
;
1402 struct SaveStateEntry
*next
;
1405 static SaveStateEntry
*first_se
;
1407 int register_savevm(const char *idstr
,
1410 SaveStateHandler
*save_state
,
1411 LoadStateHandler
*load_state
,
1414 SaveStateEntry
*se
, **pse
;
1416 se
= qemu_malloc(sizeof(SaveStateEntry
));
1419 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
1420 se
->instance_id
= instance_id
;
1421 se
->version_id
= version_id
;
1422 se
->save_state
= save_state
;
1423 se
->load_state
= load_state
;
1424 se
->opaque
= opaque
;
1427 /* add at the end of list */
1429 while (*pse
!= NULL
)
1430 pse
= &(*pse
)->next
;
1435 #define QEMU_VM_FILE_MAGIC 0x5145564d
1436 #define QEMU_VM_FILE_VERSION 0x00000001
1438 int qemu_savevm(const char *filename
)
1442 int len
, len_pos
, cur_pos
, saved_vm_running
, ret
;
1444 saved_vm_running
= vm_running
;
1447 f
= fopen(filename
, "wb");
1453 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
1454 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
1456 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1458 len
= strlen(se
->idstr
);
1459 qemu_put_byte(f
, len
);
1460 qemu_put_buffer(f
, se
->idstr
, len
);
1462 qemu_put_be32(f
, se
->instance_id
);
1463 qemu_put_be32(f
, se
->version_id
);
1465 /* record size: filled later */
1467 qemu_put_be32(f
, 0);
1469 se
->save_state(f
, se
->opaque
);
1471 /* fill record size */
1473 len
= ftell(f
) - len_pos
- 4;
1474 fseek(f
, len_pos
, SEEK_SET
);
1475 qemu_put_be32(f
, len
);
1476 fseek(f
, cur_pos
, SEEK_SET
);
1482 if (saved_vm_running
)
1487 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
1491 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
1492 if (!strcmp(se
->idstr
, idstr
) &&
1493 instance_id
== se
->instance_id
)
1499 int qemu_loadvm(const char *filename
)
1503 int len
, cur_pos
, ret
, instance_id
, record_len
, version_id
;
1504 int saved_vm_running
;
1508 saved_vm_running
= vm_running
;
1511 f
= fopen(filename
, "rb");
1517 v
= qemu_get_be32(f
);
1518 if (v
!= QEMU_VM_FILE_MAGIC
)
1520 v
= qemu_get_be32(f
);
1521 if (v
!= QEMU_VM_FILE_VERSION
) {
1528 #if defined (DO_TB_FLUSH)
1529 tb_flush(global_env
);
1531 len
= qemu_get_byte(f
);
1534 qemu_get_buffer(f
, idstr
, len
);
1536 instance_id
= qemu_get_be32(f
);
1537 version_id
= qemu_get_be32(f
);
1538 record_len
= qemu_get_be32(f
);
1540 printf("idstr=%s instance=0x%x version=%d len=%d\n",
1541 idstr
, instance_id
, version_id
, record_len
);
1544 se
= find_se(idstr
, instance_id
);
1546 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
1547 instance_id
, idstr
);
1549 ret
= se
->load_state(f
, se
->opaque
, version_id
);
1551 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
1552 instance_id
, idstr
);
1555 /* always seek to exact end of record */
1556 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
1561 if (saved_vm_running
)
1566 /***********************************************************/
1567 /* cpu save/restore */
1569 #if defined(TARGET_I386)
1571 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
1573 qemu_put_be32(f
, (uint32_t)dt
->base
);
1574 qemu_put_be32(f
, dt
->limit
);
1575 qemu_put_be32(f
, dt
->flags
);
1578 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
1580 dt
->base
= (uint8_t *)qemu_get_be32(f
);
1581 dt
->limit
= qemu_get_be32(f
);
1582 dt
->flags
= qemu_get_be32(f
);
1585 void cpu_save(QEMUFile
*f
, void *opaque
)
1587 CPUState
*env
= opaque
;
1588 uint16_t fptag
, fpus
, fpuc
;
1592 for(i
= 0; i
< 8; i
++)
1593 qemu_put_be32s(f
, &env
->regs
[i
]);
1594 qemu_put_be32s(f
, &env
->eip
);
1595 qemu_put_be32s(f
, &env
->eflags
);
1596 qemu_put_be32s(f
, &env
->eflags
);
1597 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
1598 qemu_put_be32s(f
, &hflags
);
1602 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
1604 for (i
=7; i
>=0; i
--) {
1606 if (env
->fptags
[i
]) {
1611 qemu_put_be16s(f
, &fpuc
);
1612 qemu_put_be16s(f
, &fpus
);
1613 qemu_put_be16s(f
, &fptag
);
1615 for(i
= 0; i
< 8; i
++) {
1618 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
]);
1619 qemu_put_be64(f
, mant
);
1620 qemu_put_be16(f
, exp
);
1623 for(i
= 0; i
< 6; i
++)
1624 cpu_put_seg(f
, &env
->segs
[i
]);
1625 cpu_put_seg(f
, &env
->ldt
);
1626 cpu_put_seg(f
, &env
->tr
);
1627 cpu_put_seg(f
, &env
->gdt
);
1628 cpu_put_seg(f
, &env
->idt
);
1630 qemu_put_be32s(f
, &env
->sysenter_cs
);
1631 qemu_put_be32s(f
, &env
->sysenter_esp
);
1632 qemu_put_be32s(f
, &env
->sysenter_eip
);
1634 qemu_put_be32s(f
, &env
->cr
[0]);
1635 qemu_put_be32s(f
, &env
->cr
[2]);
1636 qemu_put_be32s(f
, &env
->cr
[3]);
1637 qemu_put_be32s(f
, &env
->cr
[4]);
1639 for(i
= 0; i
< 8; i
++)
1640 qemu_put_be32s(f
, &env
->dr
[i
]);
1643 qemu_put_be32s(f
, &env
->a20_mask
);
1646 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
1648 CPUState
*env
= opaque
;
1651 uint16_t fpus
, fpuc
, fptag
;
1653 if (version_id
!= 1)
1655 for(i
= 0; i
< 8; i
++)
1656 qemu_get_be32s(f
, &env
->regs
[i
]);
1657 qemu_get_be32s(f
, &env
->eip
);
1658 qemu_get_be32s(f
, &env
->eflags
);
1659 qemu_get_be32s(f
, &env
->eflags
);
1660 qemu_get_be32s(f
, &hflags
);
1662 qemu_get_be16s(f
, &fpuc
);
1663 qemu_get_be16s(f
, &fpus
);
1664 qemu_get_be16s(f
, &fptag
);
1666 for(i
= 0; i
< 8; i
++) {
1669 mant
= qemu_get_be64(f
);
1670 exp
= qemu_get_be16(f
);
1671 env
->fpregs
[i
] = cpu_set_fp80(mant
, exp
);
1675 env
->fpstt
= (fpus
>> 11) & 7;
1676 env
->fpus
= fpus
& ~0x3800;
1677 for(i
= 0; i
< 8; i
++) {
1678 env
->fptags
[i
] = ((fptag
& 3) == 3);
1682 for(i
= 0; i
< 6; i
++)
1683 cpu_get_seg(f
, &env
->segs
[i
]);
1684 cpu_get_seg(f
, &env
->ldt
);
1685 cpu_get_seg(f
, &env
->tr
);
1686 cpu_get_seg(f
, &env
->gdt
);
1687 cpu_get_seg(f
, &env
->idt
);
1689 qemu_get_be32s(f
, &env
->sysenter_cs
);
1690 qemu_get_be32s(f
, &env
->sysenter_esp
);
1691 qemu_get_be32s(f
, &env
->sysenter_eip
);
1693 qemu_get_be32s(f
, &env
->cr
[0]);
1694 qemu_get_be32s(f
, &env
->cr
[2]);
1695 qemu_get_be32s(f
, &env
->cr
[3]);
1696 qemu_get_be32s(f
, &env
->cr
[4]);
1698 for(i
= 0; i
< 8; i
++)
1699 qemu_get_be32s(f
, &env
->dr
[i
]);
1702 qemu_get_be32s(f
, &env
->a20_mask
);
1704 /* XXX: compute hflags from scratch, except for CPL and IIF */
1705 env
->hflags
= hflags
;
1710 #elif defined(TARGET_PPC)
1711 void cpu_save(QEMUFile
*f
, void *opaque
)
1715 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
1721 #warning No CPU save/restore functions
1725 /***********************************************************/
1726 /* ram save/restore */
1728 /* we just avoid storing empty pages */
1729 static void ram_put_page(QEMUFile
*f
, const uint8_t *buf
, int len
)
1734 for(i
= 1; i
< len
; i
++) {
1738 qemu_put_byte(f
, 1);
1739 qemu_put_byte(f
, v
);
1742 qemu_put_byte(f
, 0);
1743 qemu_put_buffer(f
, buf
, len
);
1746 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
1750 v
= qemu_get_byte(f
);
1753 if (qemu_get_buffer(f
, buf
, len
) != len
)
1757 v
= qemu_get_byte(f
);
1758 memset(buf
, v
, len
);
1766 static void ram_save(QEMUFile
*f
, void *opaque
)
1769 qemu_put_be32(f
, phys_ram_size
);
1770 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
1771 ram_put_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
1775 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
1779 if (version_id
!= 1)
1781 if (qemu_get_be32(f
) != phys_ram_size
)
1783 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
1784 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
1791 /***********************************************************/
1792 /* main execution loop */
1794 void gui_update(void *opaque
)
1796 display_state
.dpy_refresh(&display_state
);
1797 qemu_mod_timer(gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
1800 /* XXX: support several handlers */
1801 VMStopHandler
*vm_stop_cb
;
1802 VMStopHandler
*vm_stop_opaque
;
1804 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
1807 vm_stop_opaque
= opaque
;
1811 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
1824 void vm_stop(int reason
)
1827 cpu_disable_ticks();
1831 vm_stop_cb(vm_stop_opaque
, reason
);
1837 /* reset/shutdown handler */
1839 typedef struct QEMUResetEntry
{
1840 QEMUResetHandler
*func
;
1842 struct QEMUResetEntry
*next
;
1845 static QEMUResetEntry
*first_reset_entry
;
1846 static int reset_requested
;
1847 static int shutdown_requested
;
1849 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
1851 QEMUResetEntry
**pre
, *re
;
1853 pre
= &first_reset_entry
;
1854 while (*pre
!= NULL
)
1855 pre
= &(*pre
)->next
;
1856 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
1858 re
->opaque
= opaque
;
1863 void qemu_system_reset(void)
1867 /* reset all devices */
1868 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
1869 re
->func(re
->opaque
);
1873 void qemu_system_reset_request(void)
1875 reset_requested
= 1;
1876 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1879 void qemu_system_shutdown_request(void)
1881 shutdown_requested
= 1;
1882 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1885 static void main_cpu_reset(void *opaque
)
1888 CPUState
*env
= opaque
;
1896 struct pollfd ufds
[MAX_IO_HANDLERS
+ 1], *pf
;
1897 IOHandlerRecord
*ioh
, *ioh_next
;
1902 CPUState
*env
= global_env
;
1906 ret
= cpu_exec(env
);
1907 if (shutdown_requested
) {
1908 ret
= EXCP_INTERRUPT
;
1911 if (reset_requested
) {
1912 reset_requested
= 0;
1913 qemu_system_reset();
1914 ret
= EXCP_INTERRUPT
;
1916 if (ret
== EXCP_DEBUG
) {
1917 vm_stop(EXCP_DEBUG
);
1919 /* if hlt instruction, we wait until the next IRQ */
1920 /* XXX: use timeout computed from timers */
1921 if (ret
== EXCP_HLT
)
1934 /* poll any events */
1935 /* XXX: separate device handlers from system ones */
1937 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
1938 if (!ioh
->fd_can_read
) {
1941 pf
->events
= POLLIN
;
1945 max_size
= ioh
->fd_can_read(ioh
->opaque
);
1947 if (max_size
> sizeof(buf
))
1948 max_size
= sizeof(buf
);
1950 pf
->events
= POLLIN
;
1957 ioh
->max_size
= max_size
;
1960 ret
= poll(ufds
, pf
- ufds
, timeout
);
1962 /* XXX: better handling of removal */
1963 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh_next
) {
1964 ioh_next
= ioh
->next
;
1967 if (pf
->revents
& POLLIN
) {
1968 if (ioh
->max_size
== 0) {
1969 /* just a read event */
1970 ioh
->fd_read(ioh
->opaque
, NULL
, 0);
1972 n
= read(ioh
->fd
, buf
, ioh
->max_size
);
1974 ioh
->fd_read(ioh
->opaque
, buf
, n
);
1975 } else if (errno
!= EAGAIN
) {
1976 ioh
->fd_read(ioh
->opaque
, NULL
, -errno
);
1984 #if defined(CONFIG_SLIRP)
1985 /* XXX: merge with poll() */
1987 fd_set rfds
, wfds
, xfds
;
1995 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
1998 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
2000 slirp_select_poll(&rfds
, &wfds
, &xfds
);
2008 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
2009 qemu_get_clock(vm_clock
));
2011 if (audio_enabled
) {
2012 /* XXX: add explicit timer */
2016 /* run dma transfers, if any */
2020 /* real time timers */
2021 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
2022 qemu_get_clock(rt_clock
));
2024 cpu_disable_ticks();
2030 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2004 Fabrice Bellard\n"
2031 "usage: %s [options] [disk_image]\n"
2033 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2035 "Standard options:\n"
2036 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
2037 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
2038 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
2039 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
2040 "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n"
2041 "-snapshot write to temporary files instead of disk image files\n"
2042 "-m megs set virtual RAM size to megs MB [default=%d]\n"
2043 "-nographic disable graphical output and redirect serial I/Os to console\n"
2044 "-enable-audio enable audio support\n"
2045 "-localtime set the real time clock to local time [default=utc]\n"
2047 "-prep Simulate a PREP system (default is PowerMAC)\n"
2048 "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
2051 "Network options:\n"
2052 "-nics n simulate 'n' network cards [default=1]\n"
2053 "-macaddr addr set the mac address of the first interface\n"
2054 "-n script set tap/tun network init script [default=%s]\n"
2055 "-tun-fd fd use this fd as already opened tap/tun interface\n"
2057 "-user-net use user mode network stack [default if no tap/tun script]\n"
2059 "-dummy-net use dummy network stack\n"
2061 "Linux boot specific:\n"
2062 "-kernel bzImage use 'bzImage' as kernel image\n"
2063 "-append cmdline use 'cmdline' as kernel command line\n"
2064 "-initrd file use 'file' as initial ram disk\n"
2066 "Debug/Expert options:\n"
2067 "-S freeze CPU at startup (use 'c' to start execution)\n"
2068 "-s wait gdb connection to port %d\n"
2069 "-p port change gdb connection port\n"
2070 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
2071 "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
2072 "-L path set the directory for the BIOS and VGA BIOS\n"
2073 #ifdef USE_CODE_COPY
2074 "-no-code-copy disable code copy acceleration\n"
2077 "-isa simulate an ISA-only system (default is PCI system)\n"
2080 "During emulation, use C-a h to get terminal commands:\n",
2081 #ifdef CONFIG_SOFTMMU
2087 DEFAULT_NETWORK_SCRIPT
,
2088 DEFAULT_GDBSTUB_PORT
,
2091 #ifndef CONFIG_SOFTMMU
2093 "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
2094 "work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
2100 #define HAS_ARG 0x0001
2113 QEMU_OPTION_snapshot
,
2115 QEMU_OPTION_nographic
,
2116 QEMU_OPTION_enable_audio
,
2119 QEMU_OPTION_macaddr
,
2122 QEMU_OPTION_user_net
,
2123 QEMU_OPTION_dummy_net
,
2135 QEMU_OPTION_no_code_copy
,
2139 QEMU_OPTION_localtime
,
2140 QEMU_OPTION_cirrusvga
,
2144 typedef struct QEMUOption
{
2150 const QEMUOption qemu_options
[] = {
2151 { "h", 0, QEMU_OPTION_h
},
2153 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
2154 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
2155 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
2156 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
2157 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
2158 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
2159 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
2160 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
2161 { "snapshot", 0, QEMU_OPTION_snapshot
},
2162 { "m", HAS_ARG
, QEMU_OPTION_m
},
2163 { "nographic", 0, QEMU_OPTION_nographic
},
2164 { "enable-audio", 0, QEMU_OPTION_enable_audio
},
2166 { "nics", HAS_ARG
, QEMU_OPTION_nics
},
2167 { "macaddr", HAS_ARG
, QEMU_OPTION_macaddr
},
2168 { "n", HAS_ARG
, QEMU_OPTION_n
},
2169 { "tun-fd", HAS_ARG
, QEMU_OPTION_tun_fd
},
2171 { "user-net", 0, QEMU_OPTION_user_net
},
2173 { "dummy-net", 0, QEMU_OPTION_dummy_net
},
2175 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
2176 { "append", HAS_ARG
, QEMU_OPTION_append
},
2177 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
2179 { "S", 0, QEMU_OPTION_S
},
2180 { "s", 0, QEMU_OPTION_s
},
2181 { "p", HAS_ARG
, QEMU_OPTION_p
},
2182 { "d", HAS_ARG
, QEMU_OPTION_d
},
2183 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
2184 { "L", HAS_ARG
, QEMU_OPTION_L
},
2185 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
2187 { "prep", 0, QEMU_OPTION_prep
},
2188 { "g", 1, QEMU_OPTION_g
},
2190 { "localtime", 0, QEMU_OPTION_localtime
},
2191 { "isa", 0, QEMU_OPTION_isa
},
2193 /* temporary options */
2194 { "pci", 0, QEMU_OPTION_pci
},
2195 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
2199 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2201 /* this stack is only used during signal handling */
2202 #define SIGNAL_STACK_SIZE 32768
2204 static uint8_t *signal_stack
;
2208 #define NET_IF_TUN 0
2209 #define NET_IF_USER 1
2210 #define NET_IF_DUMMY 2
2212 int main(int argc
, char **argv
)
2214 #ifdef CONFIG_GDBSTUB
2215 int use_gdbstub
, gdbstub_port
;
2218 int snapshot
, linux_boot
;
2220 const char *initrd_filename
;
2221 const char *hd_filename
[MAX_DISKS
], *fd_filename
[MAX_FD
];
2222 const char *kernel_filename
, *kernel_cmdline
;
2223 DisplayState
*ds
= &display_state
;
2224 int cyls
, heads
, secs
;
2225 int start_emulation
= 1;
2227 int net_if_type
, nb_tun_fds
, tun_fds
[MAX_NICS
];
2229 const char *r
, *optarg
;
2231 #if !defined(CONFIG_SOFTMMU)
2232 /* we never want that malloc() uses mmap() */
2233 mallopt(M_MMAP_THRESHOLD
, 4096 * 1024);
2235 initrd_filename
= NULL
;
2236 for(i
= 0; i
< MAX_FD
; i
++)
2237 fd_filename
[i
] = NULL
;
2238 for(i
= 0; i
< MAX_DISKS
; i
++)
2239 hd_filename
[i
] = NULL
;
2240 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
2241 vga_ram_size
= VGA_RAM_SIZE
;
2242 bios_size
= BIOS_SIZE
;
2243 pstrcpy(network_script
, sizeof(network_script
), DEFAULT_NETWORK_SCRIPT
);
2244 #ifdef CONFIG_GDBSTUB
2246 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
2250 kernel_filename
= NULL
;
2251 kernel_cmdline
= "";
2253 cyls
= heads
= secs
= 0;
2258 /* default mac address of the first network interface */
2272 hd_filename
[0] = argv
[optind
++];
2274 const QEMUOption
*popt
;
2277 popt
= qemu_options
;
2280 fprintf(stderr
, "%s: invalid option -- '%s'\n",
2284 if (!strcmp(popt
->name
, r
+ 1))
2288 if (popt
->flags
& HAS_ARG
) {
2289 if (optind
>= argc
) {
2290 fprintf(stderr
, "%s: option '%s' requires an argument\n",
2294 optarg
= argv
[optind
++];
2299 switch(popt
->index
) {
2300 case QEMU_OPTION_initrd
:
2301 initrd_filename
= optarg
;
2303 case QEMU_OPTION_hda
:
2304 hd_filename
[0] = optarg
;
2306 case QEMU_OPTION_hdb
:
2307 hd_filename
[1] = optarg
;
2309 case QEMU_OPTION_snapshot
:
2312 case QEMU_OPTION_hdachs
:
2316 cyls
= strtol(p
, (char **)&p
, 0);
2320 heads
= strtol(p
, (char **)&p
, 0);
2324 secs
= strtol(p
, (char **)&p
, 0);
2331 case QEMU_OPTION_nographic
:
2334 case QEMU_OPTION_kernel
:
2335 kernel_filename
= optarg
;
2337 case QEMU_OPTION_append
:
2338 kernel_cmdline
= optarg
;
2340 case QEMU_OPTION_tun_fd
:
2344 net_if_type
= NET_IF_TUN
;
2345 if (nb_tun_fds
< MAX_NICS
) {
2346 fd
= strtol(optarg
, (char **)&p
, 0);
2348 fprintf(stderr
, "qemu: invalid fd for network interface %d\n", nb_tun_fds
);
2351 tun_fds
[nb_tun_fds
++] = fd
;
2355 case QEMU_OPTION_hdc
:
2356 hd_filename
[2] = optarg
;
2359 case QEMU_OPTION_hdd
:
2360 hd_filename
[3] = optarg
;
2362 case QEMU_OPTION_cdrom
:
2363 hd_filename
[2] = optarg
;
2366 case QEMU_OPTION_boot
:
2367 boot_device
= optarg
[0];
2368 if (boot_device
!= 'a' && boot_device
!= 'b' &&
2369 boot_device
!= 'c' && boot_device
!= 'd') {
2370 fprintf(stderr
, "qemu: invalid boot device '%c'\n", boot_device
);
2374 case QEMU_OPTION_fda
:
2375 fd_filename
[0] = optarg
;
2377 case QEMU_OPTION_fdb
:
2378 fd_filename
[1] = optarg
;
2380 case QEMU_OPTION_no_code_copy
:
2381 code_copy_enabled
= 0;
2383 case QEMU_OPTION_nics
:
2384 nb_nics
= atoi(optarg
);
2385 if (nb_nics
< 0 || nb_nics
> MAX_NICS
) {
2386 fprintf(stderr
, "qemu: invalid number of network interfaces\n");
2390 case QEMU_OPTION_macaddr
:
2395 for(i
= 0; i
< 6; i
++) {
2396 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
2403 fprintf(stderr
, "qemu: invalid syntax for ethernet address\n");
2411 case QEMU_OPTION_user_net
:
2412 net_if_type
= NET_IF_USER
;
2414 case QEMU_OPTION_dummy_net
:
2415 net_if_type
= NET_IF_DUMMY
;
2417 case QEMU_OPTION_enable_audio
:
2424 ram_size
= atoi(optarg
) * 1024 * 1024;
2427 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
2428 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
2429 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
2438 mask
= cpu_str_to_log_mask(optarg
);
2440 printf("Log items (comma separated):\n");
2441 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
2442 printf("%-10s %s\n", item
->name
, item
->help
);
2450 pstrcpy(network_script
, sizeof(network_script
), optarg
);
2452 #ifdef CONFIG_GDBSTUB
2457 gdbstub_port
= atoi(optarg
);
2464 start_emulation
= 0;
2466 case QEMU_OPTION_pci
:
2469 case QEMU_OPTION_isa
:
2472 case QEMU_OPTION_prep
:
2475 case QEMU_OPTION_localtime
:
2478 case QEMU_OPTION_cirrusvga
:
2479 cirrus_vga_enabled
= 1;
2486 w
= strtol(p
, (char **)&p
, 10);
2489 fprintf(stderr
, "qemu: invalid resolution or depth\n");
2495 h
= strtol(p
, (char **)&p
, 10);
2500 depth
= strtol(p
, (char **)&p
, 10);
2501 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
2502 depth
!= 24 && depth
!= 32)
2504 } else if (*p
== '\0') {
2505 depth
= graphic_depth
;
2512 graphic_depth
= depth
;
2519 linux_boot
= (kernel_filename
!= NULL
);
2521 if (!linux_boot
&& hd_filename
[0] == '\0' && hd_filename
[2] == '\0' &&
2522 fd_filename
[0] == '\0')
2525 /* boot to cd by default if no hard disk */
2526 if (hd_filename
[0] == '\0' && boot_device
== 'c') {
2527 if (fd_filename
[0] != '\0')
2533 #if !defined(CONFIG_SOFTMMU)
2534 /* must avoid mmap() usage of glibc by setting a buffer "by hand" */
2536 static uint8_t stdout_buf
[4096];
2537 setvbuf(stdout
, stdout_buf
, _IOLBF
, sizeof(stdout_buf
));
2540 setvbuf(stdout
, NULL
, _IOLBF
, 0);
2543 /* init host network redirectors */
2544 if (net_if_type
== -1) {
2545 net_if_type
= NET_IF_TUN
;
2546 #if defined(CONFIG_SLIRP)
2547 if (access(network_script
, R_OK
) < 0) {
2548 net_if_type
= NET_IF_USER
;
2553 for(i
= 0; i
< nb_nics
; i
++) {
2554 NetDriverState
*nd
= &nd_table
[i
];
2556 /* init virtual mac address */
2557 nd
->macaddr
[0] = macaddr
[0];
2558 nd
->macaddr
[1] = macaddr
[1];
2559 nd
->macaddr
[2] = macaddr
[2];
2560 nd
->macaddr
[3] = macaddr
[3];
2561 nd
->macaddr
[4] = macaddr
[4];
2562 nd
->macaddr
[5] = macaddr
[5] + i
;
2563 switch(net_if_type
) {
2564 #if defined(CONFIG_SLIRP)
2569 #if !defined(_WIN32)
2571 if (i
< nb_tun_fds
) {
2572 net_fd_init(nd
, tun_fds
[i
]);
2574 if (net_tun_init(nd
) < 0)
2586 /* init the memory */
2587 phys_ram_size
= ram_size
+ vga_ram_size
+ bios_size
;
2589 #ifdef CONFIG_SOFTMMU
2591 /* mallocs are always aligned on BSD. */
2592 phys_ram_base
= malloc(phys_ram_size
);
2594 phys_ram_base
= memalign(TARGET_PAGE_SIZE
, phys_ram_size
);
2596 if (!phys_ram_base
) {
2597 fprintf(stderr
, "Could not allocate physical memory\n");
2601 /* as we must map the same page at several addresses, we must use
2606 tmpdir
= getenv("QEMU_TMPDIR");
2609 snprintf(phys_ram_file
, sizeof(phys_ram_file
), "%s/vlXXXXXX", tmpdir
);
2610 if (mkstemp(phys_ram_file
) < 0) {
2611 fprintf(stderr
, "Could not create temporary memory file '%s'\n",
2615 phys_ram_fd
= open(phys_ram_file
, O_CREAT
| O_TRUNC
| O_RDWR
, 0600);
2616 if (phys_ram_fd
< 0) {
2617 fprintf(stderr
, "Could not open temporary memory file '%s'\n",
2621 ftruncate(phys_ram_fd
, phys_ram_size
);
2622 unlink(phys_ram_file
);
2623 phys_ram_base
= mmap(get_mmap_addr(phys_ram_size
),
2625 PROT_WRITE
| PROT_READ
, MAP_SHARED
| MAP_FIXED
,
2627 if (phys_ram_base
== MAP_FAILED
) {
2628 fprintf(stderr
, "Could not map physical memory\n");
2634 /* we always create the cdrom drive, even if no disk is there */
2636 bs_table
[2] = bdrv_new("cdrom");
2637 bdrv_set_type_hint(bs_table
[2], BDRV_TYPE_CDROM
);
2640 /* open the virtual block devices */
2641 for(i
= 0; i
< MAX_DISKS
; i
++) {
2642 if (hd_filename
[i
]) {
2645 snprintf(buf
, sizeof(buf
), "hd%c", i
+ 'a');
2646 bs_table
[i
] = bdrv_new(buf
);
2648 if (bdrv_open(bs_table
[i
], hd_filename
[i
], snapshot
) < 0) {
2649 fprintf(stderr
, "qemu: could not open hard disk image '%s\n",
2653 if (i
== 0 && cyls
!= 0)
2654 bdrv_set_geometry_hint(bs_table
[i
], cyls
, heads
, secs
);
2658 /* we always create at least one floppy disk */
2659 fd_table
[0] = bdrv_new("fda");
2660 bdrv_set_type_hint(fd_table
[0], BDRV_TYPE_FLOPPY
);
2662 for(i
= 0; i
< MAX_FD
; i
++) {
2663 if (fd_filename
[i
]) {
2666 snprintf(buf
, sizeof(buf
), "fd%c", i
+ 'a');
2667 fd_table
[i
] = bdrv_new(buf
);
2668 bdrv_set_type_hint(fd_table
[i
], BDRV_TYPE_FLOPPY
);
2670 if (fd_filename
[i
] != '\0') {
2671 if (bdrv_open(fd_table
[i
], fd_filename
[i
], snapshot
) < 0) {
2672 fprintf(stderr
, "qemu: could not open floppy disk image '%s'\n",
2680 /* init CPU state */
2683 cpu_single_env
= env
;
2685 register_savevm("timer", 0, 1, timer_save
, timer_load
, env
);
2686 register_savevm("cpu", 0, 1, cpu_save
, cpu_load
, env
);
2687 register_savevm("ram", 0, 1, ram_save
, ram_load
, NULL
);
2688 qemu_register_reset(main_cpu_reset
, global_env
);
2691 cpu_calibrate_ticks();
2695 dumb_display_init(ds
);
2698 sdl_display_init(ds
);
2700 dumb_display_init(ds
);
2704 /* setup cpu signal handlers for MMU / self modifying code handling */
2705 #if !defined(CONFIG_SOFTMMU)
2707 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2710 signal_stack
= memalign(16, SIGNAL_STACK_SIZE
);
2711 stk
.ss_sp
= signal_stack
;
2712 stk
.ss_size
= SIGNAL_STACK_SIZE
;
2715 if (sigaltstack(&stk
, NULL
) < 0) {
2716 perror("sigaltstack");
2722 struct sigaction act
;
2724 sigfillset(&act
.sa_mask
);
2725 act
.sa_flags
= SA_SIGINFO
;
2726 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2727 act
.sa_flags
|= SA_ONSTACK
;
2729 act
.sa_sigaction
= host_segv_handler
;
2730 sigaction(SIGSEGV
, &act
, NULL
);
2731 sigaction(SIGBUS
, &act
, NULL
);
2732 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
2733 sigaction(SIGFPE
, &act
, NULL
);
2740 struct sigaction act
;
2741 sigfillset(&act
.sa_mask
);
2743 act
.sa_handler
= SIG_IGN
;
2744 sigaction(SIGPIPE
, &act
, NULL
);
2749 #if defined(TARGET_I386)
2750 pc_init(ram_size
, vga_ram_size
, boot_device
,
2751 ds
, fd_filename
, snapshot
,
2752 kernel_filename
, kernel_cmdline
, initrd_filename
);
2753 #elif defined(TARGET_PPC)
2754 ppc_init(ram_size
, vga_ram_size
, boot_device
,
2755 ds
, fd_filename
, snapshot
,
2756 kernel_filename
, kernel_cmdline
, initrd_filename
);
2759 /* launched after the device init so that it can display or not a
2763 gui_timer
= qemu_new_timer(rt_clock
, gui_update
, NULL
);
2764 qemu_mod_timer(gui_timer
, qemu_get_clock(rt_clock
));
2766 #ifdef CONFIG_GDBSTUB
2768 if (gdbserver_start(gdbstub_port
) < 0) {
2769 fprintf(stderr
, "Could not open gdbserver socket on port %d\n",
2773 printf("Waiting gdb connection on port %d\n", gdbstub_port
);
2777 if (start_emulation
)