4 * Copyright (c) 2003-2008 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
25 #include "hw/boards.h"
27 #include "hw/pcmcia.h"
29 #include "hw/audiodev.h"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
40 #include "audio/audio.h"
41 #include "migration.h"
52 #include <sys/times.h>
56 #include <sys/ioctl.h>
57 #include <sys/socket.h>
58 #include <netinet/in.h>
61 #include <sys/select.h>
62 #include <arpa/inet.h>
65 #if !defined(__APPLE__) && !defined(__OpenBSD__)
71 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
72 #include <freebsd/stdlib.h>
76 #include <linux/if_tun.h>
79 #include <linux/rtc.h>
81 /* For the benefit of older linux systems which don't supply it,
82 we use a local copy of hpet.h. */
83 /* #include <linux/hpet.h> */
86 #include <linux/ppdev.h>
87 #include <linux/parport.h>
91 #include <sys/ethernet.h>
92 #include <sys/sockio.h>
93 #include <netinet/arp.h>
94 #include <netinet/in.h>
95 #include <netinet/in_systm.h>
96 #include <netinet/ip.h>
97 #include <netinet/ip_icmp.h> // must come after ip.h
98 #include <netinet/udp.h>
99 #include <netinet/tcp.h>
107 #include "qemu_socket.h"
109 #if defined(CONFIG_SLIRP)
110 #include "libslirp.h"
113 #if defined(__OpenBSD__)
117 #if defined(CONFIG_VDE)
118 #include <libvdeplug.h>
123 #include <sys/timeb.h>
124 #include <mmsystem.h>
125 #define getopt_long_only getopt_long
126 #define memalign(align, size) malloc(size)
133 #endif /* CONFIG_SDL */
137 #define main qemu_main
138 #endif /* CONFIG_COCOA */
142 #include "exec-all.h"
144 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
145 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
147 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
149 #define SMBD_COMMAND "/usr/sbin/smbd"
152 //#define DEBUG_UNUSED_IOPORT
153 //#define DEBUG_IOPORT
155 //#define DEBUG_SLIRP
158 #define DEFAULT_RAM_SIZE 144
160 #define DEFAULT_RAM_SIZE 128
163 /* Max number of USB devices that can be specified on the commandline. */
164 #define MAX_USB_CMDLINE 8
166 /* XXX: use a two level table to limit memory usage */
167 #define MAX_IOPORTS 65536
169 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
170 const char *bios_name
= NULL
;
171 static void *ioport_opaque
[MAX_IOPORTS
];
172 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
173 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
174 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
175 to store the VM snapshots */
176 DriveInfo drives_table
[MAX_DRIVES
+1];
178 /* point to the block driver where the snapshots are managed */
179 static BlockDriverState
*bs_snapshots
;
180 static int vga_ram_size
;
181 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
182 static DisplayState display_state
;
185 const char* keyboard_layout
= NULL
;
186 int64_t ticks_per_sec
;
189 NICInfo nd_table
[MAX_NICS
];
191 static int rtc_utc
= 1;
192 static int rtc_date_offset
= -1; /* -1 means no change */
193 int cirrus_vga_enabled
= 1;
194 int vmsvga_enabled
= 0;
196 int graphic_width
= 1024;
197 int graphic_height
= 768;
198 int graphic_depth
= 8;
200 int graphic_width
= 800;
201 int graphic_height
= 600;
202 int graphic_depth
= 15;
204 static int full_screen
= 0;
205 static int no_frame
= 0;
207 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
208 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
210 int win2k_install_hack
= 0;
213 static VLANState
*first_vlan
;
215 const char *vnc_display
;
216 int acpi_enabled
= 1;
221 int graphic_rotate
= 0;
223 const char *option_rom
[MAX_OPTION_ROMS
];
225 int semihosting_enabled
= 0;
229 const char *qemu_name
;
232 unsigned int nb_prom_envs
= 0;
233 const char *prom_envs
[MAX_PROM_ENVS
];
235 static int nb_drives_opt
;
236 static struct drive_opt
{
239 } drives_opt
[MAX_DRIVES
];
241 static CPUState
*cur_cpu
;
242 static CPUState
*next_cpu
;
243 static int event_pending
= 1;
244 /* Conversion factor from emulated instructions to virtual clock ticks. */
245 static int icount_time_shift
;
246 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
247 #define MAX_ICOUNT_SHIFT 10
248 /* Compensate for varying guest execution speed. */
249 static int64_t qemu_icount_bias
;
250 static QEMUTimer
*icount_rt_timer
;
251 static QEMUTimer
*icount_vm_timer
;
253 uint8_t qemu_uuid
[16];
255 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
257 /***********************************************************/
258 /* x86 ISA bus support */
260 target_phys_addr_t isa_mem_base
= 0;
263 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
264 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
266 static uint32_t ioport_read(int index
, uint32_t address
)
268 static IOPortReadFunc
*default_func
[3] = {
269 default_ioport_readb
,
270 default_ioport_readw
,
273 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
275 func
= default_func
[index
];
276 return func(ioport_opaque
[address
], address
);
279 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
281 static IOPortWriteFunc
*default_func
[3] = {
282 default_ioport_writeb
,
283 default_ioport_writew
,
284 default_ioport_writel
286 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
288 func
= default_func
[index
];
289 func(ioport_opaque
[address
], address
, data
);
292 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
294 #ifdef DEBUG_UNUSED_IOPORT
295 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
300 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
302 #ifdef DEBUG_UNUSED_IOPORT
303 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
307 /* default is to make two byte accesses */
308 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
311 data
= ioport_read(0, address
);
312 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
313 data
|= ioport_read(0, address
) << 8;
317 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
319 ioport_write(0, address
, data
& 0xff);
320 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
321 ioport_write(0, address
, (data
>> 8) & 0xff);
324 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
326 #ifdef DEBUG_UNUSED_IOPORT
327 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
332 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
334 #ifdef DEBUG_UNUSED_IOPORT
335 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
339 /* size is the word size in byte */
340 int register_ioport_read(int start
, int length
, int size
,
341 IOPortReadFunc
*func
, void *opaque
)
347 } else if (size
== 2) {
349 } else if (size
== 4) {
352 hw_error("register_ioport_read: invalid size");
355 for(i
= start
; i
< start
+ length
; i
+= size
) {
356 ioport_read_table
[bsize
][i
] = func
;
357 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
358 hw_error("register_ioport_read: invalid opaque");
359 ioport_opaque
[i
] = opaque
;
364 /* size is the word size in byte */
365 int register_ioport_write(int start
, int length
, int size
,
366 IOPortWriteFunc
*func
, void *opaque
)
372 } else if (size
== 2) {
374 } else if (size
== 4) {
377 hw_error("register_ioport_write: invalid size");
380 for(i
= start
; i
< start
+ length
; i
+= size
) {
381 ioport_write_table
[bsize
][i
] = func
;
382 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
383 hw_error("register_ioport_write: invalid opaque");
384 ioport_opaque
[i
] = opaque
;
389 void isa_unassign_ioport(int start
, int length
)
393 for(i
= start
; i
< start
+ length
; i
++) {
394 ioport_read_table
[0][i
] = default_ioport_readb
;
395 ioport_read_table
[1][i
] = default_ioport_readw
;
396 ioport_read_table
[2][i
] = default_ioport_readl
;
398 ioport_write_table
[0][i
] = default_ioport_writeb
;
399 ioport_write_table
[1][i
] = default_ioport_writew
;
400 ioport_write_table
[2][i
] = default_ioport_writel
;
404 /***********************************************************/
406 void cpu_outb(CPUState
*env
, int addr
, int val
)
409 if (loglevel
& CPU_LOG_IOPORT
)
410 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
412 ioport_write(0, addr
, val
);
415 env
->last_io_time
= cpu_get_time_fast();
419 void cpu_outw(CPUState
*env
, int addr
, int val
)
422 if (loglevel
& CPU_LOG_IOPORT
)
423 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
425 ioport_write(1, addr
, val
);
428 env
->last_io_time
= cpu_get_time_fast();
432 void cpu_outl(CPUState
*env
, int addr
, int val
)
435 if (loglevel
& CPU_LOG_IOPORT
)
436 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
438 ioport_write(2, addr
, val
);
441 env
->last_io_time
= cpu_get_time_fast();
445 int cpu_inb(CPUState
*env
, int addr
)
448 val
= ioport_read(0, addr
);
450 if (loglevel
& CPU_LOG_IOPORT
)
451 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
455 env
->last_io_time
= cpu_get_time_fast();
460 int cpu_inw(CPUState
*env
, int addr
)
463 val
= ioport_read(1, addr
);
465 if (loglevel
& CPU_LOG_IOPORT
)
466 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
470 env
->last_io_time
= cpu_get_time_fast();
475 int cpu_inl(CPUState
*env
, int addr
)
478 val
= ioport_read(2, addr
);
480 if (loglevel
& CPU_LOG_IOPORT
)
481 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
485 env
->last_io_time
= cpu_get_time_fast();
490 /***********************************************************/
491 void hw_error(const char *fmt
, ...)
497 fprintf(stderr
, "qemu: hardware error: ");
498 vfprintf(stderr
, fmt
, ap
);
499 fprintf(stderr
, "\n");
500 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
501 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
503 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
505 cpu_dump_state(env
, stderr
, fprintf
, 0);
512 /***********************************************************/
515 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
516 static void *qemu_put_kbd_event_opaque
;
517 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
518 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
520 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
522 qemu_put_kbd_event_opaque
= opaque
;
523 qemu_put_kbd_event
= func
;
526 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
527 void *opaque
, int absolute
,
530 QEMUPutMouseEntry
*s
, *cursor
;
532 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
536 s
->qemu_put_mouse_event
= func
;
537 s
->qemu_put_mouse_event_opaque
= opaque
;
538 s
->qemu_put_mouse_event_absolute
= absolute
;
539 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
542 if (!qemu_put_mouse_event_head
) {
543 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
547 cursor
= qemu_put_mouse_event_head
;
548 while (cursor
->next
!= NULL
)
549 cursor
= cursor
->next
;
552 qemu_put_mouse_event_current
= s
;
557 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
559 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
561 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
564 cursor
= qemu_put_mouse_event_head
;
565 while (cursor
!= NULL
&& cursor
!= entry
) {
567 cursor
= cursor
->next
;
570 if (cursor
== NULL
) // does not exist or list empty
572 else if (prev
== NULL
) { // entry is head
573 qemu_put_mouse_event_head
= cursor
->next
;
574 if (qemu_put_mouse_event_current
== entry
)
575 qemu_put_mouse_event_current
= cursor
->next
;
576 qemu_free(entry
->qemu_put_mouse_event_name
);
581 prev
->next
= entry
->next
;
583 if (qemu_put_mouse_event_current
== entry
)
584 qemu_put_mouse_event_current
= prev
;
586 qemu_free(entry
->qemu_put_mouse_event_name
);
590 void kbd_put_keycode(int keycode
)
592 if (qemu_put_kbd_event
) {
593 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
597 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
599 QEMUPutMouseEvent
*mouse_event
;
600 void *mouse_event_opaque
;
603 if (!qemu_put_mouse_event_current
) {
608 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
610 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
613 if (graphic_rotate
) {
614 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
617 width
= graphic_width
- 1;
618 mouse_event(mouse_event_opaque
,
619 width
- dy
, dx
, dz
, buttons_state
);
621 mouse_event(mouse_event_opaque
,
622 dx
, dy
, dz
, buttons_state
);
626 int kbd_mouse_is_absolute(void)
628 if (!qemu_put_mouse_event_current
)
631 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
634 void do_info_mice(void)
636 QEMUPutMouseEntry
*cursor
;
639 if (!qemu_put_mouse_event_head
) {
640 term_printf("No mouse devices connected\n");
644 term_printf("Mouse devices available:\n");
645 cursor
= qemu_put_mouse_event_head
;
646 while (cursor
!= NULL
) {
647 term_printf("%c Mouse #%d: %s\n",
648 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
649 index
, cursor
->qemu_put_mouse_event_name
);
651 cursor
= cursor
->next
;
655 void do_mouse_set(int index
)
657 QEMUPutMouseEntry
*cursor
;
660 if (!qemu_put_mouse_event_head
) {
661 term_printf("No mouse devices connected\n");
665 cursor
= qemu_put_mouse_event_head
;
666 while (cursor
!= NULL
&& index
!= i
) {
668 cursor
= cursor
->next
;
672 qemu_put_mouse_event_current
= cursor
;
674 term_printf("Mouse at given index not found\n");
677 /* compute with 96 bit intermediate result: (a*b)/c */
678 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
683 #ifdef WORDS_BIGENDIAN
693 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
694 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
697 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
701 /***********************************************************/
702 /* real time host monotonic timer */
704 #define QEMU_TIMER_BASE 1000000000LL
708 static int64_t clock_freq
;
710 static void init_get_clock(void)
714 ret
= QueryPerformanceFrequency(&freq
);
716 fprintf(stderr
, "Could not calibrate ticks\n");
719 clock_freq
= freq
.QuadPart
;
722 static int64_t get_clock(void)
725 QueryPerformanceCounter(&ti
);
726 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
731 static int use_rt_clock
;
733 static void init_get_clock(void)
736 #if defined(__linux__)
739 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
746 static int64_t get_clock(void)
748 #if defined(__linux__)
751 clock_gettime(CLOCK_MONOTONIC
, &ts
);
752 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
756 /* XXX: using gettimeofday leads to problems if the date
757 changes, so it should be avoided. */
759 gettimeofday(&tv
, NULL
);
760 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
765 /* Return the virtual CPU time, based on the instruction counter. */
766 static int64_t cpu_get_icount(void)
769 CPUState
*env
= cpu_single_env
;;
770 icount
= qemu_icount
;
773 fprintf(stderr
, "Bad clock read\n");
774 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
776 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
779 /***********************************************************/
780 /* guest cycle counter */
782 static int64_t cpu_ticks_prev
;
783 static int64_t cpu_ticks_offset
;
784 static int64_t cpu_clock_offset
;
785 static int cpu_ticks_enabled
;
787 /* return the host CPU cycle counter and handle stop/restart */
788 int64_t cpu_get_ticks(void)
791 return cpu_get_icount();
793 if (!cpu_ticks_enabled
) {
794 return cpu_ticks_offset
;
797 ticks
= cpu_get_real_ticks();
798 if (cpu_ticks_prev
> ticks
) {
799 /* Note: non increasing ticks may happen if the host uses
801 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
803 cpu_ticks_prev
= ticks
;
804 return ticks
+ cpu_ticks_offset
;
808 /* return the host CPU monotonic timer and handle stop/restart */
809 static int64_t cpu_get_clock(void)
812 if (!cpu_ticks_enabled
) {
813 return cpu_clock_offset
;
816 return ti
+ cpu_clock_offset
;
820 /* enable cpu_get_ticks() */
821 void cpu_enable_ticks(void)
823 if (!cpu_ticks_enabled
) {
824 cpu_ticks_offset
-= cpu_get_real_ticks();
825 cpu_clock_offset
-= get_clock();
826 cpu_ticks_enabled
= 1;
830 /* disable cpu_get_ticks() : the clock is stopped. You must not call
831 cpu_get_ticks() after that. */
832 void cpu_disable_ticks(void)
834 if (cpu_ticks_enabled
) {
835 cpu_ticks_offset
= cpu_get_ticks();
836 cpu_clock_offset
= cpu_get_clock();
837 cpu_ticks_enabled
= 0;
841 /***********************************************************/
844 #define QEMU_TIMER_REALTIME 0
845 #define QEMU_TIMER_VIRTUAL 1
849 /* XXX: add frequency */
857 struct QEMUTimer
*next
;
860 struct qemu_alarm_timer
{
864 int (*start
)(struct qemu_alarm_timer
*t
);
865 void (*stop
)(struct qemu_alarm_timer
*t
);
866 void (*rearm
)(struct qemu_alarm_timer
*t
);
870 #define ALARM_FLAG_DYNTICKS 0x1
871 #define ALARM_FLAG_EXPIRED 0x2
873 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
875 return t
->flags
& ALARM_FLAG_DYNTICKS
;
878 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
880 if (!alarm_has_dynticks(t
))
886 /* TODO: MIN_TIMER_REARM_US should be optimized */
887 #define MIN_TIMER_REARM_US 250
889 static struct qemu_alarm_timer
*alarm_timer
;
893 struct qemu_alarm_win32
{
897 } alarm_win32_data
= {0, NULL
, -1};
899 static int win32_start_timer(struct qemu_alarm_timer
*t
);
900 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
901 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
905 static int unix_start_timer(struct qemu_alarm_timer
*t
);
906 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
910 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
911 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
912 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
914 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
915 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
917 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
918 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
920 #endif /* __linux__ */
924 /* Correlation between real and virtual time is always going to be
925 fairly approximate, so ignore small variation.
926 When the guest is idle real and virtual time will be aligned in
928 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
930 static void icount_adjust(void)
935 static int64_t last_delta
;
936 /* If the VM is not running, then do nothing. */
940 cur_time
= cpu_get_clock();
941 cur_icount
= qemu_get_clock(vm_clock
);
942 delta
= cur_icount
- cur_time
;
943 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
945 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
946 && icount_time_shift
> 0) {
947 /* The guest is getting too far ahead. Slow time down. */
951 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
952 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
953 /* The guest is getting too far behind. Speed time up. */
957 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
960 static void icount_adjust_rt(void * opaque
)
962 qemu_mod_timer(icount_rt_timer
,
963 qemu_get_clock(rt_clock
) + 1000);
967 static void icount_adjust_vm(void * opaque
)
969 qemu_mod_timer(icount_vm_timer
,
970 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
974 static void init_icount_adjust(void)
976 /* Have both realtime and virtual time triggers for speed adjustment.
977 The realtime trigger catches emulated time passing too slowly,
978 the virtual time trigger catches emulated time passing too fast.
979 Realtime triggers occur even when idle, so use them less frequently
981 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
982 qemu_mod_timer(icount_rt_timer
,
983 qemu_get_clock(rt_clock
) + 1000);
984 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
985 qemu_mod_timer(icount_vm_timer
,
986 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
989 static struct qemu_alarm_timer alarm_timers
[] = {
992 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
993 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
994 /* HPET - if available - is preferred */
995 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
996 /* ...otherwise try RTC */
997 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
999 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1001 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1002 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1003 {"win32", 0, win32_start_timer
,
1004 win32_stop_timer
, NULL
, &alarm_win32_data
},
1009 static void show_available_alarms(void)
1013 printf("Available alarm timers, in order of precedence:\n");
1014 for (i
= 0; alarm_timers
[i
].name
; i
++)
1015 printf("%s\n", alarm_timers
[i
].name
);
1018 static void configure_alarms(char const *opt
)
1022 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
1025 struct qemu_alarm_timer tmp
;
1027 if (!strcmp(opt
, "?")) {
1028 show_available_alarms();
1034 /* Reorder the array */
1035 name
= strtok(arg
, ",");
1037 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1038 if (!strcmp(alarm_timers
[i
].name
, name
))
1043 fprintf(stderr
, "Unknown clock %s\n", name
);
1052 tmp
= alarm_timers
[i
];
1053 alarm_timers
[i
] = alarm_timers
[cur
];
1054 alarm_timers
[cur
] = tmp
;
1058 name
= strtok(NULL
, ",");
1064 /* Disable remaining timers */
1065 for (i
= cur
; i
< count
; i
++)
1066 alarm_timers
[i
].name
= NULL
;
1068 show_available_alarms();
1073 QEMUClock
*rt_clock
;
1074 QEMUClock
*vm_clock
;
1076 static QEMUTimer
*active_timers
[2];
1078 static QEMUClock
*qemu_new_clock(int type
)
1081 clock
= qemu_mallocz(sizeof(QEMUClock
));
1088 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1092 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1095 ts
->opaque
= opaque
;
1099 void qemu_free_timer(QEMUTimer
*ts
)
1104 /* stop a timer, but do not dealloc it */
1105 void qemu_del_timer(QEMUTimer
*ts
)
1109 /* NOTE: this code must be signal safe because
1110 qemu_timer_expired() can be called from a signal. */
1111 pt
= &active_timers
[ts
->clock
->type
];
1124 /* modify the current timer so that it will be fired when current_time
1125 >= expire_time. The corresponding callback will be called. */
1126 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1132 /* add the timer in the sorted list */
1133 /* NOTE: this code must be signal safe because
1134 qemu_timer_expired() can be called from a signal. */
1135 pt
= &active_timers
[ts
->clock
->type
];
1140 if (t
->expire_time
> expire_time
)
1144 ts
->expire_time
= expire_time
;
1148 /* Rearm if necessary */
1149 if (pt
== &active_timers
[ts
->clock
->type
]) {
1150 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1151 qemu_rearm_alarm_timer(alarm_timer
);
1153 /* Interrupt execution to force deadline recalculation. */
1154 if (use_icount
&& cpu_single_env
) {
1155 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1160 int qemu_timer_pending(QEMUTimer
*ts
)
1163 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1170 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1174 return (timer_head
->expire_time
<= current_time
);
1177 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1183 if (!ts
|| ts
->expire_time
> current_time
)
1185 /* remove timer from the list before calling the callback */
1186 *ptimer_head
= ts
->next
;
1189 /* run the callback (the timer list can be modified) */
1194 int64_t qemu_get_clock(QEMUClock
*clock
)
1196 switch(clock
->type
) {
1197 case QEMU_TIMER_REALTIME
:
1198 return get_clock() / 1000000;
1200 case QEMU_TIMER_VIRTUAL
:
1202 return cpu_get_icount();
1204 return cpu_get_clock();
1209 static void init_timers(void)
1212 ticks_per_sec
= QEMU_TIMER_BASE
;
1213 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1214 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1218 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1220 uint64_t expire_time
;
1222 if (qemu_timer_pending(ts
)) {
1223 expire_time
= ts
->expire_time
;
1227 qemu_put_be64(f
, expire_time
);
1230 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1232 uint64_t expire_time
;
1234 expire_time
= qemu_get_be64(f
);
1235 if (expire_time
!= -1) {
1236 qemu_mod_timer(ts
, expire_time
);
1242 static void timer_save(QEMUFile
*f
, void *opaque
)
1244 if (cpu_ticks_enabled
) {
1245 hw_error("cannot save state if virtual timers are running");
1247 qemu_put_be64(f
, cpu_ticks_offset
);
1248 qemu_put_be64(f
, ticks_per_sec
);
1249 qemu_put_be64(f
, cpu_clock_offset
);
1252 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1254 if (version_id
!= 1 && version_id
!= 2)
1256 if (cpu_ticks_enabled
) {
1259 cpu_ticks_offset
=qemu_get_be64(f
);
1260 ticks_per_sec
=qemu_get_be64(f
);
1261 if (version_id
== 2) {
1262 cpu_clock_offset
=qemu_get_be64(f
);
1268 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1269 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1271 static void host_alarm_handler(int host_signum
)
1275 #define DISP_FREQ 1000
1277 static int64_t delta_min
= INT64_MAX
;
1278 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1280 ti
= qemu_get_clock(vm_clock
);
1281 if (last_clock
!= 0) {
1282 delta
= ti
- last_clock
;
1283 if (delta
< delta_min
)
1285 if (delta
> delta_max
)
1288 if (++count
== DISP_FREQ
) {
1289 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1290 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1291 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1292 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1293 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1295 delta_min
= INT64_MAX
;
1303 if (alarm_has_dynticks(alarm_timer
) ||
1305 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1306 qemu_get_clock(vm_clock
))) ||
1307 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1308 qemu_get_clock(rt_clock
))) {
1310 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1311 SetEvent(data
->host_alarm
);
1313 CPUState
*env
= next_cpu
;
1315 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1318 /* stop the currently executing cpu because a timer occured */
1319 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1321 if (env
->kqemu_enabled
) {
1322 kqemu_cpu_interrupt(env
);
1330 static int64_t qemu_next_deadline(void)
1334 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1335 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1336 qemu_get_clock(vm_clock
);
1338 /* To avoid problems with overflow limit this to 2^32. */
1348 #if defined(__linux__) || defined(_WIN32)
1349 static uint64_t qemu_next_deadline_dyntick(void)
1357 delta
= (qemu_next_deadline() + 999) / 1000;
1359 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1360 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1361 qemu_get_clock(rt_clock
))*1000;
1362 if (rtdelta
< delta
)
1366 if (delta
< MIN_TIMER_REARM_US
)
1367 delta
= MIN_TIMER_REARM_US
;
1375 #if defined(__linux__)
1377 #define RTC_FREQ 1024
1379 static void enable_sigio_timer(int fd
)
1381 struct sigaction act
;
1384 sigfillset(&act
.sa_mask
);
1386 act
.sa_handler
= host_alarm_handler
;
1388 sigaction(SIGIO
, &act
, NULL
);
1389 fcntl(fd
, F_SETFL
, O_ASYNC
);
1390 fcntl(fd
, F_SETOWN
, getpid());
1393 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1395 struct hpet_info info
;
1398 fd
= open("/dev/hpet", O_RDONLY
);
1403 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1405 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1406 "error, but for better emulation accuracy type:\n"
1407 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1411 /* Check capabilities */
1412 r
= ioctl(fd
, HPET_INFO
, &info
);
1416 /* Enable periodic mode */
1417 r
= ioctl(fd
, HPET_EPI
, 0);
1418 if (info
.hi_flags
&& (r
< 0))
1421 /* Enable interrupt */
1422 r
= ioctl(fd
, HPET_IE_ON
, 0);
1426 enable_sigio_timer(fd
);
1427 t
->priv
= (void *)(long)fd
;
1435 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1437 int fd
= (long)t
->priv
;
1442 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1445 unsigned long current_rtc_freq
= 0;
1447 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1450 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1451 if (current_rtc_freq
!= RTC_FREQ
&&
1452 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1453 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1454 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1455 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1458 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1464 enable_sigio_timer(rtc_fd
);
1466 t
->priv
= (void *)(long)rtc_fd
;
1471 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1473 int rtc_fd
= (long)t
->priv
;
1478 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1482 struct sigaction act
;
1484 sigfillset(&act
.sa_mask
);
1486 act
.sa_handler
= host_alarm_handler
;
1488 sigaction(SIGALRM
, &act
, NULL
);
1490 ev
.sigev_value
.sival_int
= 0;
1491 ev
.sigev_notify
= SIGEV_SIGNAL
;
1492 ev
.sigev_signo
= SIGALRM
;
1494 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1495 perror("timer_create");
1497 /* disable dynticks */
1498 fprintf(stderr
, "Dynamic Ticks disabled\n");
1503 t
->priv
= (void *)host_timer
;
1508 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1510 timer_t host_timer
= (timer_t
)t
->priv
;
1512 timer_delete(host_timer
);
1515 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1517 timer_t host_timer
= (timer_t
)t
->priv
;
1518 struct itimerspec timeout
;
1519 int64_t nearest_delta_us
= INT64_MAX
;
1522 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1523 !active_timers
[QEMU_TIMER_VIRTUAL
])
1526 nearest_delta_us
= qemu_next_deadline_dyntick();
1528 /* check whether a timer is already running */
1529 if (timer_gettime(host_timer
, &timeout
)) {
1531 fprintf(stderr
, "Internal timer error: aborting\n");
1534 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1535 if (current_us
&& current_us
<= nearest_delta_us
)
1538 timeout
.it_interval
.tv_sec
= 0;
1539 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1540 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1541 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1542 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1544 fprintf(stderr
, "Internal timer error: aborting\n");
1549 #endif /* defined(__linux__) */
1551 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1553 struct sigaction act
;
1554 struct itimerval itv
;
1558 sigfillset(&act
.sa_mask
);
1560 act
.sa_handler
= host_alarm_handler
;
1562 sigaction(SIGALRM
, &act
, NULL
);
1564 itv
.it_interval
.tv_sec
= 0;
1565 /* for i386 kernel 2.6 to get 1 ms */
1566 itv
.it_interval
.tv_usec
= 999;
1567 itv
.it_value
.tv_sec
= 0;
1568 itv
.it_value
.tv_usec
= 10 * 1000;
1570 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1577 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1579 struct itimerval itv
;
1581 memset(&itv
, 0, sizeof(itv
));
1582 setitimer(ITIMER_REAL
, &itv
, NULL
);
1585 #endif /* !defined(_WIN32) */
1589 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1592 struct qemu_alarm_win32
*data
= t
->priv
;
1595 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1596 if (!data
->host_alarm
) {
1597 perror("Failed CreateEvent");
1601 memset(&tc
, 0, sizeof(tc
));
1602 timeGetDevCaps(&tc
, sizeof(tc
));
1604 if (data
->period
< tc
.wPeriodMin
)
1605 data
->period
= tc
.wPeriodMin
;
1607 timeBeginPeriod(data
->period
);
1609 flags
= TIME_CALLBACK_FUNCTION
;
1610 if (alarm_has_dynticks(t
))
1611 flags
|= TIME_ONESHOT
;
1613 flags
|= TIME_PERIODIC
;
1615 data
->timerId
= timeSetEvent(1, // interval (ms)
1616 data
->period
, // resolution
1617 host_alarm_handler
, // function
1618 (DWORD
)t
, // parameter
1621 if (!data
->timerId
) {
1622 perror("Failed to initialize win32 alarm timer");
1624 timeEndPeriod(data
->period
);
1625 CloseHandle(data
->host_alarm
);
1629 qemu_add_wait_object(data
->host_alarm
, NULL
, NULL
);
1634 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1636 struct qemu_alarm_win32
*data
= t
->priv
;
1638 timeKillEvent(data
->timerId
);
1639 timeEndPeriod(data
->period
);
1641 CloseHandle(data
->host_alarm
);
1644 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1646 struct qemu_alarm_win32
*data
= t
->priv
;
1647 uint64_t nearest_delta_us
;
1649 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1650 !active_timers
[QEMU_TIMER_VIRTUAL
])
1653 nearest_delta_us
= qemu_next_deadline_dyntick();
1654 nearest_delta_us
/= 1000;
1656 timeKillEvent(data
->timerId
);
1658 data
->timerId
= timeSetEvent(1,
1662 TIME_ONESHOT
| TIME_PERIODIC
);
1664 if (!data
->timerId
) {
1665 perror("Failed to re-arm win32 alarm timer");
1667 timeEndPeriod(data
->period
);
1668 CloseHandle(data
->host_alarm
);
1675 static void init_timer_alarm(void)
1677 struct qemu_alarm_timer
*t
= NULL
;
1680 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1681 t
= &alarm_timers
[i
];
1689 fprintf(stderr
, "Unable to find any suitable alarm timer.\n");
1690 fprintf(stderr
, "Terminating\n");
1697 static void quit_timers(void)
1699 alarm_timer
->stop(alarm_timer
);
1703 /***********************************************************/
1704 /* host time/date access */
1705 void qemu_get_timedate(struct tm
*tm
, int offset
)
1712 if (rtc_date_offset
== -1) {
1716 ret
= localtime(&ti
);
1718 ti
-= rtc_date_offset
;
1722 memcpy(tm
, ret
, sizeof(struct tm
));
1725 int qemu_timedate_diff(struct tm
*tm
)
1729 if (rtc_date_offset
== -1)
1731 seconds
= mktimegm(tm
);
1733 seconds
= mktime(tm
);
1735 seconds
= mktimegm(tm
) + rtc_date_offset
;
1737 return seconds
- time(NULL
);
1740 /***********************************************************/
1741 /* character device */
1743 static void qemu_chr_event(CharDriverState
*s
, int event
)
1747 s
->chr_event(s
->handler_opaque
, event
);
1750 static void qemu_chr_reset_bh(void *opaque
)
1752 CharDriverState
*s
= opaque
;
1753 qemu_chr_event(s
, CHR_EVENT_RESET
);
1754 qemu_bh_delete(s
->bh
);
1758 void qemu_chr_reset(CharDriverState
*s
)
1760 if (s
->bh
== NULL
) {
1761 s
->bh
= qemu_bh_new(qemu_chr_reset_bh
, s
);
1762 qemu_bh_schedule(s
->bh
);
1766 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
1768 return s
->chr_write(s
, buf
, len
);
1771 int qemu_chr_ioctl(CharDriverState
*s
, int cmd
, void *arg
)
1775 return s
->chr_ioctl(s
, cmd
, arg
);
1778 int qemu_chr_can_read(CharDriverState
*s
)
1780 if (!s
->chr_can_read
)
1782 return s
->chr_can_read(s
->handler_opaque
);
1785 void qemu_chr_read(CharDriverState
*s
, uint8_t *buf
, int len
)
1787 s
->chr_read(s
->handler_opaque
, buf
, len
);
1790 void qemu_chr_accept_input(CharDriverState
*s
)
1792 if (s
->chr_accept_input
)
1793 s
->chr_accept_input(s
);
1796 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
1801 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
1802 qemu_chr_write(s
, (uint8_t *)buf
, strlen(buf
));
1806 void qemu_chr_send_event(CharDriverState
*s
, int event
)
1808 if (s
->chr_send_event
)
1809 s
->chr_send_event(s
, event
);
1812 void qemu_chr_add_handlers(CharDriverState
*s
,
1813 IOCanRWHandler
*fd_can_read
,
1814 IOReadHandler
*fd_read
,
1815 IOEventHandler
*fd_event
,
1818 s
->chr_can_read
= fd_can_read
;
1819 s
->chr_read
= fd_read
;
1820 s
->chr_event
= fd_event
;
1821 s
->handler_opaque
= opaque
;
1822 if (s
->chr_update_read_handler
)
1823 s
->chr_update_read_handler(s
);
1826 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1831 static CharDriverState
*qemu_chr_open_null(void)
1833 CharDriverState
*chr
;
1835 chr
= qemu_mallocz(sizeof(CharDriverState
));
1838 chr
->chr_write
= null_chr_write
;
1842 /* MUX driver for serial I/O splitting */
1843 static int term_timestamps
;
1844 static int64_t term_timestamps_start
;
1846 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
1847 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1849 IOCanRWHandler
*chr_can_read
[MAX_MUX
];
1850 IOReadHandler
*chr_read
[MAX_MUX
];
1851 IOEventHandler
*chr_event
[MAX_MUX
];
1852 void *ext_opaque
[MAX_MUX
];
1853 CharDriverState
*drv
;
1854 unsigned char buffer
[MUX_BUFFER_SIZE
];
1858 int term_got_escape
;
1863 static int mux_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1865 MuxDriver
*d
= chr
->opaque
;
1867 if (!term_timestamps
) {
1868 ret
= d
->drv
->chr_write(d
->drv
, buf
, len
);
1873 for(i
= 0; i
< len
; i
++) {
1874 ret
+= d
->drv
->chr_write(d
->drv
, buf
+i
, 1);
1875 if (buf
[i
] == '\n') {
1881 if (term_timestamps_start
== -1)
1882 term_timestamps_start
= ti
;
1883 ti
-= term_timestamps_start
;
1884 secs
= ti
/ 1000000000;
1885 snprintf(buf1
, sizeof(buf1
),
1886 "[%02d:%02d:%02d.%03d] ",
1890 (int)((ti
/ 1000000) % 1000));
1891 d
->drv
->chr_write(d
->drv
, (uint8_t *)buf1
, strlen(buf1
));
1898 static const char * const mux_help
[] = {
1899 "% h print this help\n\r",
1900 "% x exit emulator\n\r",
1901 "% s save disk data back to file (if -snapshot)\n\r",
1902 "% t toggle console timestamps\n\r"
1903 "% b send break (magic sysrq)\n\r",
1904 "% c switch between console and monitor\n\r",
1909 static int term_escape_char
= 0x01; /* ctrl-a is used for escape */
1910 static void mux_print_help(CharDriverState
*chr
)
1913 char ebuf
[15] = "Escape-Char";
1914 char cbuf
[50] = "\n\r";
1916 if (term_escape_char
> 0 && term_escape_char
< 26) {
1917 snprintf(cbuf
, sizeof(cbuf
), "\n\r");
1918 snprintf(ebuf
, sizeof(ebuf
), "C-%c", term_escape_char
- 1 + 'a');
1920 snprintf(cbuf
, sizeof(cbuf
),
1921 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1924 chr
->chr_write(chr
, (uint8_t *)cbuf
, strlen(cbuf
));
1925 for (i
= 0; mux_help
[i
] != NULL
; i
++) {
1926 for (j
=0; mux_help
[i
][j
] != '\0'; j
++) {
1927 if (mux_help
[i
][j
] == '%')
1928 chr
->chr_write(chr
, (uint8_t *)ebuf
, strlen(ebuf
));
1930 chr
->chr_write(chr
, (uint8_t *)&mux_help
[i
][j
], 1);
1935 static int mux_proc_byte(CharDriverState
*chr
, MuxDriver
*d
, int ch
)
1937 if (d
->term_got_escape
) {
1938 d
->term_got_escape
= 0;
1939 if (ch
== term_escape_char
)
1944 mux_print_help(chr
);
1948 const char *term
= "QEMU: Terminated\n\r";
1949 chr
->chr_write(chr
,(uint8_t *)term
,strlen(term
));
1956 for (i
= 0; i
< nb_drives
; i
++) {
1957 bdrv_commit(drives_table
[i
].bdrv
);
1962 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
1965 /* Switch to the next registered device */
1967 if (chr
->focus
>= d
->mux_cnt
)
1971 term_timestamps
= !term_timestamps
;
1972 term_timestamps_start
= -1;
1975 } else if (ch
== term_escape_char
) {
1976 d
->term_got_escape
= 1;
1984 static void mux_chr_accept_input(CharDriverState
*chr
)
1987 MuxDriver
*d
= chr
->opaque
;
1989 while (d
->prod
!= d
->cons
&&
1990 d
->chr_can_read
[m
] &&
1991 d
->chr_can_read
[m
](d
->ext_opaque
[m
])) {
1992 d
->chr_read
[m
](d
->ext_opaque
[m
],
1993 &d
->buffer
[d
->cons
++ & MUX_BUFFER_MASK
], 1);
1997 static int mux_chr_can_read(void *opaque
)
1999 CharDriverState
*chr
= opaque
;
2000 MuxDriver
*d
= chr
->opaque
;
2002 if ((d
->prod
- d
->cons
) < MUX_BUFFER_SIZE
)
2004 if (d
->chr_can_read
[chr
->focus
])
2005 return d
->chr_can_read
[chr
->focus
](d
->ext_opaque
[chr
->focus
]);
2009 static void mux_chr_read(void *opaque
, const uint8_t *buf
, int size
)
2011 CharDriverState
*chr
= opaque
;
2012 MuxDriver
*d
= chr
->opaque
;
2016 mux_chr_accept_input (opaque
);
2018 for(i
= 0; i
< size
; i
++)
2019 if (mux_proc_byte(chr
, d
, buf
[i
])) {
2020 if (d
->prod
== d
->cons
&&
2021 d
->chr_can_read
[m
] &&
2022 d
->chr_can_read
[m
](d
->ext_opaque
[m
]))
2023 d
->chr_read
[m
](d
->ext_opaque
[m
], &buf
[i
], 1);
2025 d
->buffer
[d
->prod
++ & MUX_BUFFER_MASK
] = buf
[i
];
2029 static void mux_chr_event(void *opaque
, int event
)
2031 CharDriverState
*chr
= opaque
;
2032 MuxDriver
*d
= chr
->opaque
;
2035 /* Send the event to all registered listeners */
2036 for (i
= 0; i
< d
->mux_cnt
; i
++)
2037 if (d
->chr_event
[i
])
2038 d
->chr_event
[i
](d
->ext_opaque
[i
], event
);
2041 static void mux_chr_update_read_handler(CharDriverState
*chr
)
2043 MuxDriver
*d
= chr
->opaque
;
2045 if (d
->mux_cnt
>= MAX_MUX
) {
2046 fprintf(stderr
, "Cannot add I/O handlers, MUX array is full\n");
2049 d
->ext_opaque
[d
->mux_cnt
] = chr
->handler_opaque
;
2050 d
->chr_can_read
[d
->mux_cnt
] = chr
->chr_can_read
;
2051 d
->chr_read
[d
->mux_cnt
] = chr
->chr_read
;
2052 d
->chr_event
[d
->mux_cnt
] = chr
->chr_event
;
2053 /* Fix up the real driver with mux routines */
2054 if (d
->mux_cnt
== 0) {
2055 qemu_chr_add_handlers(d
->drv
, mux_chr_can_read
, mux_chr_read
,
2056 mux_chr_event
, chr
);
2058 chr
->focus
= d
->mux_cnt
;
2062 static CharDriverState
*qemu_chr_open_mux(CharDriverState
*drv
)
2064 CharDriverState
*chr
;
2067 chr
= qemu_mallocz(sizeof(CharDriverState
));
2070 d
= qemu_mallocz(sizeof(MuxDriver
));
2079 chr
->chr_write
= mux_chr_write
;
2080 chr
->chr_update_read_handler
= mux_chr_update_read_handler
;
2081 chr
->chr_accept_input
= mux_chr_accept_input
;
2088 static void socket_cleanup(void)
2093 static int socket_init(void)
2098 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
2100 err
= WSAGetLastError();
2101 fprintf(stderr
, "WSAStartup: %d\n", err
);
2104 atexit(socket_cleanup
);
2108 static int send_all(int fd
, const uint8_t *buf
, int len1
)
2114 ret
= send(fd
, buf
, len
, 0);
2117 errno
= WSAGetLastError();
2118 if (errno
!= WSAEWOULDBLOCK
) {
2121 } else if (ret
== 0) {
2133 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
2139 ret
= write(fd
, buf
, len
);
2141 if (errno
!= EINTR
&& errno
!= EAGAIN
)
2143 } else if (ret
== 0) {
2153 static inline int send_all(int fd
, const uint8_t *buf
, int len1
)
2155 return unix_write(fd
, buf
, len1
);
2157 #endif /* !_WIN32 */
2166 #define STDIO_MAX_CLIENTS 1
2167 static int stdio_nb_clients
= 0;
2169 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2171 FDCharDriver
*s
= chr
->opaque
;
2172 return unix_write(s
->fd_out
, buf
, len
);
2175 static int fd_chr_read_poll(void *opaque
)
2177 CharDriverState
*chr
= opaque
;
2178 FDCharDriver
*s
= chr
->opaque
;
2180 s
->max_size
= qemu_chr_can_read(chr
);
2184 static void fd_chr_read(void *opaque
)
2186 CharDriverState
*chr
= opaque
;
2187 FDCharDriver
*s
= chr
->opaque
;
2192 if (len
> s
->max_size
)
2196 size
= read(s
->fd_in
, buf
, len
);
2198 /* FD has been closed. Remove it from the active list. */
2199 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2203 qemu_chr_read(chr
, buf
, size
);
2207 static void fd_chr_update_read_handler(CharDriverState
*chr
)
2209 FDCharDriver
*s
= chr
->opaque
;
2211 if (s
->fd_in
>= 0) {
2212 if (nographic
&& s
->fd_in
== 0) {
2214 qemu_set_fd_handler2(s
->fd_in
, fd_chr_read_poll
,
2215 fd_chr_read
, NULL
, chr
);
2220 static void fd_chr_close(struct CharDriverState
*chr
)
2222 FDCharDriver
*s
= chr
->opaque
;
2224 if (s
->fd_in
>= 0) {
2225 if (nographic
&& s
->fd_in
== 0) {
2227 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2234 /* open a character device to a unix fd */
2235 static CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
2237 CharDriverState
*chr
;
2240 chr
= qemu_mallocz(sizeof(CharDriverState
));
2243 s
= qemu_mallocz(sizeof(FDCharDriver
));
2251 chr
->chr_write
= fd_chr_write
;
2252 chr
->chr_update_read_handler
= fd_chr_update_read_handler
;
2253 chr
->chr_close
= fd_chr_close
;
2255 qemu_chr_reset(chr
);
2260 static CharDriverState
*qemu_chr_open_file_out(const char *file_out
)
2264 TFR(fd_out
= open(file_out
, O_WRONLY
| O_TRUNC
| O_CREAT
| O_BINARY
, 0666));
2267 return qemu_chr_open_fd(-1, fd_out
);
2270 static CharDriverState
*qemu_chr_open_pipe(const char *filename
)
2273 char filename_in
[256], filename_out
[256];
2275 snprintf(filename_in
, 256, "%s.in", filename
);
2276 snprintf(filename_out
, 256, "%s.out", filename
);
2277 TFR(fd_in
= open(filename_in
, O_RDWR
| O_BINARY
));
2278 TFR(fd_out
= open(filename_out
, O_RDWR
| O_BINARY
));
2279 if (fd_in
< 0 || fd_out
< 0) {
2284 TFR(fd_in
= fd_out
= open(filename
, O_RDWR
| O_BINARY
));
2288 return qemu_chr_open_fd(fd_in
, fd_out
);
2292 /* for STDIO, we handle the case where several clients use it
2295 #define TERM_FIFO_MAX_SIZE 1
2297 static uint8_t term_fifo
[TERM_FIFO_MAX_SIZE
];
2298 static int term_fifo_size
;
2300 static int stdio_read_poll(void *opaque
)
2302 CharDriverState
*chr
= opaque
;
2304 /* try to flush the queue if needed */
2305 if (term_fifo_size
!= 0 && qemu_chr_can_read(chr
) > 0) {
2306 qemu_chr_read(chr
, term_fifo
, 1);
2309 /* see if we can absorb more chars */
2310 if (term_fifo_size
== 0)
2316 static void stdio_read(void *opaque
)
2320 CharDriverState
*chr
= opaque
;
2322 size
= read(0, buf
, 1);
2324 /* stdin has been closed. Remove it from the active list. */
2325 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2329 if (qemu_chr_can_read(chr
) > 0) {
2330 qemu_chr_read(chr
, buf
, 1);
2331 } else if (term_fifo_size
== 0) {
2332 term_fifo
[term_fifo_size
++] = buf
[0];
2337 /* init terminal so that we can grab keys */
2338 static struct termios oldtty
;
2339 static int old_fd0_flags
;
2340 static int term_atexit_done
;
2342 static void term_exit(void)
2344 tcsetattr (0, TCSANOW
, &oldtty
);
2345 fcntl(0, F_SETFL
, old_fd0_flags
);
2348 static void term_init(void)
2352 tcgetattr (0, &tty
);
2354 old_fd0_flags
= fcntl(0, F_GETFL
);
2356 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2357 |INLCR
|IGNCR
|ICRNL
|IXON
);
2358 tty
.c_oflag
|= OPOST
;
2359 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
2360 /* if graphical mode, we allow Ctrl-C handling */
2362 tty
.c_lflag
&= ~ISIG
;
2363 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
2366 tty
.c_cc
[VTIME
] = 0;
2368 tcsetattr (0, TCSANOW
, &tty
);
2370 if (!term_atexit_done
++)
2373 fcntl(0, F_SETFL
, O_NONBLOCK
);
2376 static void qemu_chr_close_stdio(struct CharDriverState
*chr
)
2380 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2384 static CharDriverState
*qemu_chr_open_stdio(void)
2386 CharDriverState
*chr
;
2388 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
2390 chr
= qemu_chr_open_fd(0, 1);
2391 chr
->chr_close
= qemu_chr_close_stdio
;
2392 qemu_set_fd_handler2(0, stdio_read_poll
, stdio_read
, NULL
, chr
);
2400 /* Once Solaris has openpty(), this is going to be removed. */
2401 int openpty(int *amaster
, int *aslave
, char *name
,
2402 struct termios
*termp
, struct winsize
*winp
)
2405 int mfd
= -1, sfd
= -1;
2407 *amaster
= *aslave
= -1;
2409 mfd
= open("/dev/ptmx", O_RDWR
| O_NOCTTY
);
2413 if (grantpt(mfd
) == -1 || unlockpt(mfd
) == -1)
2416 if ((slave
= ptsname(mfd
)) == NULL
)
2419 if ((sfd
= open(slave
, O_RDONLY
| O_NOCTTY
)) == -1)
2422 if (ioctl(sfd
, I_PUSH
, "ptem") == -1 ||
2423 (termp
!= NULL
&& tcgetattr(sfd
, termp
) < 0))
2431 ioctl(sfd
, TIOCSWINSZ
, winp
);
2442 void cfmakeraw (struct termios
*termios_p
)
2444 termios_p
->c_iflag
&=
2445 ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
|INLCR
|IGNCR
|ICRNL
|IXON
);
2446 termios_p
->c_oflag
&= ~OPOST
;
2447 termios_p
->c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|ISIG
|IEXTEN
);
2448 termios_p
->c_cflag
&= ~(CSIZE
|PARENB
);
2449 termios_p
->c_cflag
|= CS8
;
2451 termios_p
->c_cc
[VMIN
] = 0;
2452 termios_p
->c_cc
[VTIME
] = 0;
2456 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2457 || defined(__NetBSD__) || defined(__OpenBSD__)
2467 static void pty_chr_update_read_handler(CharDriverState
*chr
);
2468 static void pty_chr_state(CharDriverState
*chr
, int connected
);
2470 static int pty_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2472 PtyCharDriver
*s
= chr
->opaque
;
2474 if (!s
->connected
) {
2475 /* guest sends data, check for (re-)connect */
2476 pty_chr_update_read_handler(chr
);
2479 return unix_write(s
->fd
, buf
, len
);
2482 static int pty_chr_read_poll(void *opaque
)
2484 CharDriverState
*chr
= opaque
;
2485 PtyCharDriver
*s
= chr
->opaque
;
2487 s
->read_bytes
= qemu_chr_can_read(chr
);
2488 return s
->read_bytes
;
2491 static void pty_chr_read(void *opaque
)
2493 CharDriverState
*chr
= opaque
;
2494 PtyCharDriver
*s
= chr
->opaque
;
2499 if (len
> s
->read_bytes
)
2500 len
= s
->read_bytes
;
2503 size
= read(s
->fd
, buf
, len
);
2504 if ((size
== -1 && errno
== EIO
) ||
2506 pty_chr_state(chr
, 0);
2510 pty_chr_state(chr
, 1);
2511 qemu_chr_read(chr
, buf
, size
);
2515 static void pty_chr_update_read_handler(CharDriverState
*chr
)
2517 PtyCharDriver
*s
= chr
->opaque
;
2519 qemu_set_fd_handler2(s
->fd
, pty_chr_read_poll
,
2520 pty_chr_read
, NULL
, chr
);
2523 * Short timeout here: just need wait long enougth that qemu makes
2524 * it through the poll loop once. When reconnected we want a
2525 * short timeout so we notice it almost instantly. Otherwise
2526 * read() gives us -EIO instantly, making pty_chr_state() reset the
2527 * timeout to the normal (much longer) poll interval before the
2530 qemu_mod_timer(s
->timer
, qemu_get_clock(rt_clock
) + 10);
2533 static void pty_chr_state(CharDriverState
*chr
, int connected
)
2535 PtyCharDriver
*s
= chr
->opaque
;
2538 qemu_set_fd_handler2(s
->fd
, NULL
, NULL
, NULL
, NULL
);
2541 /* (re-)connect poll interval for idle guests: once per second.
2542 * We check more frequently in case the guests sends data to
2543 * the virtual device linked to our pty. */
2544 qemu_mod_timer(s
->timer
, qemu_get_clock(rt_clock
) + 1000);
2547 qemu_chr_reset(chr
);
2552 static void pty_chr_timer(void *opaque
)
2554 struct CharDriverState
*chr
= opaque
;
2555 PtyCharDriver
*s
= chr
->opaque
;
2560 /* If we arrive here without polling being cleared due
2561 * read returning -EIO, then we are (re-)connected */
2562 pty_chr_state(chr
, 1);
2567 pty_chr_update_read_handler(chr
);
2570 static void pty_chr_close(struct CharDriverState
*chr
)
2572 PtyCharDriver
*s
= chr
->opaque
;
2574 qemu_set_fd_handler2(s
->fd
, NULL
, NULL
, NULL
, NULL
);
2579 static CharDriverState
*qemu_chr_open_pty(void)
2581 CharDriverState
*chr
;
2585 #if defined(__OpenBSD__)
2586 char pty_name
[PATH_MAX
];
2587 #define q_ptsname(x) pty_name
2589 char *pty_name
= NULL
;
2590 #define q_ptsname(x) ptsname(x)
2593 chr
= qemu_mallocz(sizeof(CharDriverState
));
2596 s
= qemu_mallocz(sizeof(PtyCharDriver
));
2602 if (openpty(&s
->fd
, &slave_fd
, pty_name
, NULL
, NULL
) < 0) {
2606 /* Set raw attributes on the pty. */
2608 tcsetattr(slave_fd
, TCSAFLUSH
, &tty
);
2611 fprintf(stderr
, "char device redirected to %s\n", q_ptsname(s
->fd
));
2614 chr
->chr_write
= pty_chr_write
;
2615 chr
->chr_update_read_handler
= pty_chr_update_read_handler
;
2616 chr
->chr_close
= pty_chr_close
;
2618 s
->timer
= qemu_new_timer(rt_clock
, pty_chr_timer
, chr
);
2623 static void tty_serial_init(int fd
, int speed
,
2624 int parity
, int data_bits
, int stop_bits
)
2630 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2631 speed
, parity
, data_bits
, stop_bits
);
2633 tcgetattr (fd
, &tty
);
2636 if (speed
<= 50 * MARGIN
)
2638 else if (speed
<= 75 * MARGIN
)
2640 else if (speed
<= 300 * MARGIN
)
2642 else if (speed
<= 600 * MARGIN
)
2644 else if (speed
<= 1200 * MARGIN
)
2646 else if (speed
<= 2400 * MARGIN
)
2648 else if (speed
<= 4800 * MARGIN
)
2650 else if (speed
<= 9600 * MARGIN
)
2652 else if (speed
<= 19200 * MARGIN
)
2654 else if (speed
<= 38400 * MARGIN
)
2656 else if (speed
<= 57600 * MARGIN
)
2658 else if (speed
<= 115200 * MARGIN
)
2663 cfsetispeed(&tty
, spd
);
2664 cfsetospeed(&tty
, spd
);
2666 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2667 |INLCR
|IGNCR
|ICRNL
|IXON
);
2668 tty
.c_oflag
|= OPOST
;
2669 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
|ISIG
);
2670 tty
.c_cflag
&= ~(CSIZE
|PARENB
|PARODD
|CRTSCTS
|CSTOPB
);
2691 tty
.c_cflag
|= PARENB
;
2694 tty
.c_cflag
|= PARENB
| PARODD
;
2698 tty
.c_cflag
|= CSTOPB
;
2700 tcsetattr (fd
, TCSANOW
, &tty
);
2703 static int tty_serial_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2705 FDCharDriver
*s
= chr
->opaque
;
2708 case CHR_IOCTL_SERIAL_SET_PARAMS
:
2710 QEMUSerialSetParams
*ssp
= arg
;
2711 tty_serial_init(s
->fd_in
, ssp
->speed
, ssp
->parity
,
2712 ssp
->data_bits
, ssp
->stop_bits
);
2715 case CHR_IOCTL_SERIAL_SET_BREAK
:
2717 int enable
= *(int *)arg
;
2719 tcsendbreak(s
->fd_in
, 1);
2722 case CHR_IOCTL_SERIAL_GET_TIOCM
:
2725 int *targ
= (int *)arg
;
2726 ioctl(s
->fd_in
, TIOCMGET
, &sarg
);
2728 if (sarg
| TIOCM_CTS
)
2729 *targ
|= CHR_TIOCM_CTS
;
2730 if (sarg
| TIOCM_CAR
)
2731 *targ
|= CHR_TIOCM_CAR
;
2732 if (sarg
| TIOCM_DSR
)
2733 *targ
|= CHR_TIOCM_DSR
;
2734 if (sarg
| TIOCM_RI
)
2735 *targ
|= CHR_TIOCM_RI
;
2736 if (sarg
| TIOCM_DTR
)
2737 *targ
|= CHR_TIOCM_DTR
;
2738 if (sarg
| TIOCM_RTS
)
2739 *targ
|= CHR_TIOCM_RTS
;
2742 case CHR_IOCTL_SERIAL_SET_TIOCM
:
2744 int sarg
= *(int *)arg
;
2746 if (sarg
| CHR_TIOCM_DTR
)
2748 if (sarg
| CHR_TIOCM_RTS
)
2750 ioctl(s
->fd_in
, TIOCMSET
, &targ
);
2759 static CharDriverState
*qemu_chr_open_tty(const char *filename
)
2761 CharDriverState
*chr
;
2764 TFR(fd
= open(filename
, O_RDWR
| O_NONBLOCK
));
2765 tty_serial_init(fd
, 115200, 'N', 8, 1);
2766 chr
= qemu_chr_open_fd(fd
, fd
);
2771 chr
->chr_ioctl
= tty_serial_ioctl
;
2772 qemu_chr_reset(chr
);
2775 #else /* ! __linux__ && ! __sun__ */
2776 static CharDriverState
*qemu_chr_open_pty(void)
2780 #endif /* __linux__ || __sun__ */
2782 #if defined(__linux__)
2786 } ParallelCharDriver
;
2788 static int pp_hw_mode(ParallelCharDriver
*s
, uint16_t mode
)
2790 if (s
->mode
!= mode
) {
2792 if (ioctl(s
->fd
, PPSETMODE
, &m
) < 0)
2799 static int pp_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2801 ParallelCharDriver
*drv
= chr
->opaque
;
2806 case CHR_IOCTL_PP_READ_DATA
:
2807 if (ioctl(fd
, PPRDATA
, &b
) < 0)
2809 *(uint8_t *)arg
= b
;
2811 case CHR_IOCTL_PP_WRITE_DATA
:
2812 b
= *(uint8_t *)arg
;
2813 if (ioctl(fd
, PPWDATA
, &b
) < 0)
2816 case CHR_IOCTL_PP_READ_CONTROL
:
2817 if (ioctl(fd
, PPRCONTROL
, &b
) < 0)
2819 /* Linux gives only the lowest bits, and no way to know data
2820 direction! For better compatibility set the fixed upper
2822 *(uint8_t *)arg
= b
| 0xc0;
2824 case CHR_IOCTL_PP_WRITE_CONTROL
:
2825 b
= *(uint8_t *)arg
;
2826 if (ioctl(fd
, PPWCONTROL
, &b
) < 0)
2829 case CHR_IOCTL_PP_READ_STATUS
:
2830 if (ioctl(fd
, PPRSTATUS
, &b
) < 0)
2832 *(uint8_t *)arg
= b
;
2834 case CHR_IOCTL_PP_DATA_DIR
:
2835 if (ioctl(fd
, PPDATADIR
, (int *)arg
) < 0)
2838 case CHR_IOCTL_PP_EPP_READ_ADDR
:
2839 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2840 struct ParallelIOArg
*parg
= arg
;
2841 int n
= read(fd
, parg
->buffer
, parg
->count
);
2842 if (n
!= parg
->count
) {
2847 case CHR_IOCTL_PP_EPP_READ
:
2848 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2849 struct ParallelIOArg
*parg
= arg
;
2850 int n
= read(fd
, parg
->buffer
, parg
->count
);
2851 if (n
!= parg
->count
) {
2856 case CHR_IOCTL_PP_EPP_WRITE_ADDR
:
2857 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2858 struct ParallelIOArg
*parg
= arg
;
2859 int n
= write(fd
, parg
->buffer
, parg
->count
);
2860 if (n
!= parg
->count
) {
2865 case CHR_IOCTL_PP_EPP_WRITE
:
2866 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2867 struct ParallelIOArg
*parg
= arg
;
2868 int n
= write(fd
, parg
->buffer
, parg
->count
);
2869 if (n
!= parg
->count
) {
2880 static void pp_close(CharDriverState
*chr
)
2882 ParallelCharDriver
*drv
= chr
->opaque
;
2885 pp_hw_mode(drv
, IEEE1284_MODE_COMPAT
);
2886 ioctl(fd
, PPRELEASE
);
2891 static CharDriverState
*qemu_chr_open_pp(const char *filename
)
2893 CharDriverState
*chr
;
2894 ParallelCharDriver
*drv
;
2897 TFR(fd
= open(filename
, O_RDWR
));
2901 if (ioctl(fd
, PPCLAIM
) < 0) {
2906 drv
= qemu_mallocz(sizeof(ParallelCharDriver
));
2912 drv
->mode
= IEEE1284_MODE_COMPAT
;
2914 chr
= qemu_mallocz(sizeof(CharDriverState
));
2920 chr
->chr_write
= null_chr_write
;
2921 chr
->chr_ioctl
= pp_ioctl
;
2922 chr
->chr_close
= pp_close
;
2925 qemu_chr_reset(chr
);
2929 #endif /* __linux__ */
2935 HANDLE hcom
, hrecv
, hsend
;
2936 OVERLAPPED orecv
, osend
;
2941 #define NSENDBUF 2048
2942 #define NRECVBUF 2048
2943 #define MAXCONNECT 1
2944 #define NTIMEOUT 5000
2946 static int win_chr_poll(void *opaque
);
2947 static int win_chr_pipe_poll(void *opaque
);
2949 static void win_chr_close(CharDriverState
*chr
)
2951 WinCharState
*s
= chr
->opaque
;
2954 CloseHandle(s
->hsend
);
2958 CloseHandle(s
->hrecv
);
2962 CloseHandle(s
->hcom
);
2966 qemu_del_polling_cb(win_chr_pipe_poll
, chr
);
2968 qemu_del_polling_cb(win_chr_poll
, chr
);
2971 static int win_chr_init(CharDriverState
*chr
, const char *filename
)
2973 WinCharState
*s
= chr
->opaque
;
2975 COMMTIMEOUTS cto
= { 0, 0, 0, 0, 0};
2980 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2982 fprintf(stderr
, "Failed CreateEvent\n");
2985 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2987 fprintf(stderr
, "Failed CreateEvent\n");
2991 s
->hcom
= CreateFile(filename
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
,
2992 OPEN_EXISTING
, FILE_FLAG_OVERLAPPED
, 0);
2993 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2994 fprintf(stderr
, "Failed CreateFile (%lu)\n", GetLastError());
2999 if (!SetupComm(s
->hcom
, NRECVBUF
, NSENDBUF
)) {
3000 fprintf(stderr
, "Failed SetupComm\n");
3004 ZeroMemory(&comcfg
, sizeof(COMMCONFIG
));
3005 size
= sizeof(COMMCONFIG
);
3006 GetDefaultCommConfig(filename
, &comcfg
, &size
);
3007 comcfg
.dcb
.DCBlength
= sizeof(DCB
);
3008 CommConfigDialog(filename
, NULL
, &comcfg
);
3010 if (!SetCommState(s
->hcom
, &comcfg
.dcb
)) {
3011 fprintf(stderr
, "Failed SetCommState\n");
3015 if (!SetCommMask(s
->hcom
, EV_ERR
)) {
3016 fprintf(stderr
, "Failed SetCommMask\n");
3020 cto
.ReadIntervalTimeout
= MAXDWORD
;
3021 if (!SetCommTimeouts(s
->hcom
, &cto
)) {
3022 fprintf(stderr
, "Failed SetCommTimeouts\n");
3026 if (!ClearCommError(s
->hcom
, &err
, &comstat
)) {
3027 fprintf(stderr
, "Failed ClearCommError\n");
3030 qemu_add_polling_cb(win_chr_poll
, chr
);
3038 static int win_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len1
)
3040 WinCharState
*s
= chr
->opaque
;
3041 DWORD len
, ret
, size
, err
;
3044 ZeroMemory(&s
->osend
, sizeof(s
->osend
));
3045 s
->osend
.hEvent
= s
->hsend
;
3048 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, &s
->osend
);
3050 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, NULL
);
3052 err
= GetLastError();
3053 if (err
== ERROR_IO_PENDING
) {
3054 ret
= GetOverlappedResult(s
->hcom
, &s
->osend
, &size
, TRUE
);
3072 static int win_chr_read_poll(CharDriverState
*chr
)
3074 WinCharState
*s
= chr
->opaque
;
3076 s
->max_size
= qemu_chr_can_read(chr
);
3080 static void win_chr_readfile(CharDriverState
*chr
)
3082 WinCharState
*s
= chr
->opaque
;
3087 ZeroMemory(&s
->orecv
, sizeof(s
->orecv
));
3088 s
->orecv
.hEvent
= s
->hrecv
;
3089 ret
= ReadFile(s
->hcom
, buf
, s
->len
, &size
, &s
->orecv
);
3091 err
= GetLastError();
3092 if (err
== ERROR_IO_PENDING
) {
3093 ret
= GetOverlappedResult(s
->hcom
, &s
->orecv
, &size
, TRUE
);
3098 qemu_chr_read(chr
, buf
, size
);
3102 static void win_chr_read(CharDriverState
*chr
)
3104 WinCharState
*s
= chr
->opaque
;
3106 if (s
->len
> s
->max_size
)
3107 s
->len
= s
->max_size
;
3111 win_chr_readfile(chr
);
3114 static int win_chr_poll(void *opaque
)
3116 CharDriverState
*chr
= opaque
;
3117 WinCharState
*s
= chr
->opaque
;
3121 ClearCommError(s
->hcom
, &comerr
, &status
);
3122 if (status
.cbInQue
> 0) {
3123 s
->len
= status
.cbInQue
;
3124 win_chr_read_poll(chr
);
3131 static CharDriverState
*qemu_chr_open_win(const char *filename
)
3133 CharDriverState
*chr
;
3136 chr
= qemu_mallocz(sizeof(CharDriverState
));
3139 s
= qemu_mallocz(sizeof(WinCharState
));
3145 chr
->chr_write
= win_chr_write
;
3146 chr
->chr_close
= win_chr_close
;
3148 if (win_chr_init(chr
, filename
) < 0) {
3153 qemu_chr_reset(chr
);
3157 static int win_chr_pipe_poll(void *opaque
)
3159 CharDriverState
*chr
= opaque
;
3160 WinCharState
*s
= chr
->opaque
;
3163 PeekNamedPipe(s
->hcom
, NULL
, 0, NULL
, &size
, NULL
);
3166 win_chr_read_poll(chr
);
3173 static int win_chr_pipe_init(CharDriverState
*chr
, const char *filename
)
3175 WinCharState
*s
= chr
->opaque
;
3183 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
3185 fprintf(stderr
, "Failed CreateEvent\n");
3188 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
3190 fprintf(stderr
, "Failed CreateEvent\n");
3194 snprintf(openname
, sizeof(openname
), "\\\\.\\pipe\\%s", filename
);
3195 s
->hcom
= CreateNamedPipe(openname
, PIPE_ACCESS_DUPLEX
| FILE_FLAG_OVERLAPPED
,
3196 PIPE_TYPE_BYTE
| PIPE_READMODE_BYTE
|
3198 MAXCONNECT
, NSENDBUF
, NRECVBUF
, NTIMEOUT
, NULL
);
3199 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
3200 fprintf(stderr
, "Failed CreateNamedPipe (%lu)\n", GetLastError());
3205 ZeroMemory(&ov
, sizeof(ov
));
3206 ov
.hEvent
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
3207 ret
= ConnectNamedPipe(s
->hcom
, &ov
);
3209 fprintf(stderr
, "Failed ConnectNamedPipe\n");
3213 ret
= GetOverlappedResult(s
->hcom
, &ov
, &size
, TRUE
);
3215 fprintf(stderr
, "Failed GetOverlappedResult\n");
3217 CloseHandle(ov
.hEvent
);
3224 CloseHandle(ov
.hEvent
);
3227 qemu_add_polling_cb(win_chr_pipe_poll
, chr
);
3236 static CharDriverState
*qemu_chr_open_win_pipe(const char *filename
)
3238 CharDriverState
*chr
;
3241 chr
= qemu_mallocz(sizeof(CharDriverState
));
3244 s
= qemu_mallocz(sizeof(WinCharState
));
3250 chr
->chr_write
= win_chr_write
;
3251 chr
->chr_close
= win_chr_close
;
3253 if (win_chr_pipe_init(chr
, filename
) < 0) {
3258 qemu_chr_reset(chr
);
3262 static CharDriverState
*qemu_chr_open_win_file(HANDLE fd_out
)
3264 CharDriverState
*chr
;
3267 chr
= qemu_mallocz(sizeof(CharDriverState
));
3270 s
= qemu_mallocz(sizeof(WinCharState
));
3277 chr
->chr_write
= win_chr_write
;
3278 qemu_chr_reset(chr
);
3282 static CharDriverState
*qemu_chr_open_win_con(const char *filename
)
3284 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE
));
3287 static CharDriverState
*qemu_chr_open_win_file_out(const char *file_out
)
3291 fd_out
= CreateFile(file_out
, GENERIC_WRITE
, FILE_SHARE_READ
, NULL
,
3292 OPEN_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL
);
3293 if (fd_out
== INVALID_HANDLE_VALUE
)
3296 return qemu_chr_open_win_file(fd_out
);
3298 #endif /* !_WIN32 */
3300 /***********************************************************/
3301 /* UDP Net console */
3305 struct sockaddr_in daddr
;
3312 static int udp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
3314 NetCharDriver
*s
= chr
->opaque
;
3316 return sendto(s
->fd
, buf
, len
, 0,
3317 (struct sockaddr
*)&s
->daddr
, sizeof(struct sockaddr_in
));
3320 static int udp_chr_read_poll(void *opaque
)
3322 CharDriverState
*chr
= opaque
;
3323 NetCharDriver
*s
= chr
->opaque
;
3325 s
->max_size
= qemu_chr_can_read(chr
);
3327 /* If there were any stray characters in the queue process them
3330 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
3331 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
3333 s
->max_size
= qemu_chr_can_read(chr
);
3338 static void udp_chr_read(void *opaque
)
3340 CharDriverState
*chr
= opaque
;
3341 NetCharDriver
*s
= chr
->opaque
;
3343 if (s
->max_size
== 0)
3345 s
->bufcnt
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
3346 s
->bufptr
= s
->bufcnt
;
3351 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
3352 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
3354 s
->max_size
= qemu_chr_can_read(chr
);
3358 static void udp_chr_update_read_handler(CharDriverState
*chr
)
3360 NetCharDriver
*s
= chr
->opaque
;
3363 qemu_set_fd_handler2(s
->fd
, udp_chr_read_poll
,
3364 udp_chr_read
, NULL
, chr
);
3369 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
);
3371 int parse_host_src_port(struct sockaddr_in
*haddr
,
3372 struct sockaddr_in
*saddr
,
3375 static CharDriverState
*qemu_chr_open_udp(const char *def
)
3377 CharDriverState
*chr
= NULL
;
3378 NetCharDriver
*s
= NULL
;
3380 struct sockaddr_in saddr
;
3382 chr
= qemu_mallocz(sizeof(CharDriverState
));
3385 s
= qemu_mallocz(sizeof(NetCharDriver
));
3389 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
3391 perror("socket(PF_INET, SOCK_DGRAM)");
3395 if (parse_host_src_port(&s
->daddr
, &saddr
, def
) < 0) {
3396 printf("Could not parse: %s\n", def
);
3400 if (bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
)) < 0)
3410 chr
->chr_write
= udp_chr_write
;
3411 chr
->chr_update_read_handler
= udp_chr_update_read_handler
;
3424 /***********************************************************/
3425 /* TCP Net console */
3436 static void tcp_chr_accept(void *opaque
);
3438 static int tcp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
3440 TCPCharDriver
*s
= chr
->opaque
;
3442 return send_all(s
->fd
, buf
, len
);
3444 /* XXX: indicate an error ? */
3449 static int tcp_chr_read_poll(void *opaque
)
3451 CharDriverState
*chr
= opaque
;
3452 TCPCharDriver
*s
= chr
->opaque
;
3455 s
->max_size
= qemu_chr_can_read(chr
);
3460 #define IAC_BREAK 243
3461 static void tcp_chr_process_IAC_bytes(CharDriverState
*chr
,
3463 uint8_t *buf
, int *size
)
3465 /* Handle any telnet client's basic IAC options to satisfy char by
3466 * char mode with no echo. All IAC options will be removed from
3467 * the buf and the do_telnetopt variable will be used to track the
3468 * state of the width of the IAC information.
3470 * IAC commands come in sets of 3 bytes with the exception of the
3471 * "IAC BREAK" command and the double IAC.
3477 for (i
= 0; i
< *size
; i
++) {
3478 if (s
->do_telnetopt
> 1) {
3479 if ((unsigned char)buf
[i
] == IAC
&& s
->do_telnetopt
== 2) {
3480 /* Double IAC means send an IAC */
3484 s
->do_telnetopt
= 1;
3486 if ((unsigned char)buf
[i
] == IAC_BREAK
&& s
->do_telnetopt
== 2) {
3487 /* Handle IAC break commands by sending a serial break */
3488 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
3493 if (s
->do_telnetopt
>= 4) {
3494 s
->do_telnetopt
= 1;
3497 if ((unsigned char)buf
[i
] == IAC
) {
3498 s
->do_telnetopt
= 2;
3509 static void tcp_chr_read(void *opaque
)
3511 CharDriverState
*chr
= opaque
;
3512 TCPCharDriver
*s
= chr
->opaque
;
3516 if (!s
->connected
|| s
->max_size
<= 0)
3519 if (len
> s
->max_size
)
3521 size
= recv(s
->fd
, buf
, len
, 0);
3523 /* connection closed */
3525 if (s
->listen_fd
>= 0) {
3526 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3528 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
3531 } else if (size
> 0) {
3532 if (s
->do_telnetopt
)
3533 tcp_chr_process_IAC_bytes(chr
, s
, buf
, &size
);
3535 qemu_chr_read(chr
, buf
, size
);
3539 static void tcp_chr_connect(void *opaque
)
3541 CharDriverState
*chr
= opaque
;
3542 TCPCharDriver
*s
= chr
->opaque
;
3545 qemu_set_fd_handler2(s
->fd
, tcp_chr_read_poll
,
3546 tcp_chr_read
, NULL
, chr
);
3547 qemu_chr_reset(chr
);
3550 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3551 static void tcp_chr_telnet_init(int fd
)
3554 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3555 IACSET(buf
, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
3556 send(fd
, (char *)buf
, 3, 0);
3557 IACSET(buf
, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
3558 send(fd
, (char *)buf
, 3, 0);
3559 IACSET(buf
, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
3560 send(fd
, (char *)buf
, 3, 0);
3561 IACSET(buf
, 0xff, 0xfd, 0x00); /* IAC DO Binary */
3562 send(fd
, (char *)buf
, 3, 0);
3565 static void socket_set_nodelay(int fd
)
3568 setsockopt(fd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&val
, sizeof(val
));
3571 static void tcp_chr_accept(void *opaque
)
3573 CharDriverState
*chr
= opaque
;
3574 TCPCharDriver
*s
= chr
->opaque
;
3575 struct sockaddr_in saddr
;
3577 struct sockaddr_un uaddr
;
3579 struct sockaddr
*addr
;
3586 len
= sizeof(uaddr
);
3587 addr
= (struct sockaddr
*)&uaddr
;
3591 len
= sizeof(saddr
);
3592 addr
= (struct sockaddr
*)&saddr
;
3594 fd
= accept(s
->listen_fd
, addr
, &len
);
3595 if (fd
< 0 && errno
!= EINTR
) {
3597 } else if (fd
>= 0) {
3598 if (s
->do_telnetopt
)
3599 tcp_chr_telnet_init(fd
);
3603 socket_set_nonblock(fd
);
3605 socket_set_nodelay(fd
);
3607 qemu_set_fd_handler(s
->listen_fd
, NULL
, NULL
, NULL
);
3608 tcp_chr_connect(chr
);
3611 static void tcp_chr_close(CharDriverState
*chr
)
3613 TCPCharDriver
*s
= chr
->opaque
;
3616 if (s
->listen_fd
>= 0)
3617 closesocket(s
->listen_fd
);
3621 static CharDriverState
*qemu_chr_open_tcp(const char *host_str
,
3625 CharDriverState
*chr
= NULL
;
3626 TCPCharDriver
*s
= NULL
;
3627 int fd
= -1, ret
, err
, val
;
3629 int is_waitconnect
= 1;
3632 struct sockaddr_in saddr
;
3634 struct sockaddr_un uaddr
;
3636 struct sockaddr
*addr
;
3641 addr
= (struct sockaddr
*)&uaddr
;
3642 addrlen
= sizeof(uaddr
);
3643 if (parse_unix_path(&uaddr
, host_str
) < 0)
3648 addr
= (struct sockaddr
*)&saddr
;
3649 addrlen
= sizeof(saddr
);
3650 if (parse_host_port(&saddr
, host_str
) < 0)
3655 while((ptr
= strchr(ptr
,','))) {
3657 if (!strncmp(ptr
,"server",6)) {
3659 } else if (!strncmp(ptr
,"nowait",6)) {
3661 } else if (!strncmp(ptr
,"nodelay",6)) {
3664 printf("Unknown option: %s\n", ptr
);
3671 chr
= qemu_mallocz(sizeof(CharDriverState
));
3674 s
= qemu_mallocz(sizeof(TCPCharDriver
));
3680 fd
= socket(PF_UNIX
, SOCK_STREAM
, 0);
3683 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
3688 if (!is_waitconnect
)
3689 socket_set_nonblock(fd
);
3694 s
->is_unix
= is_unix
;
3695 s
->do_nodelay
= do_nodelay
&& !is_unix
;
3698 chr
->chr_write
= tcp_chr_write
;
3699 chr
->chr_close
= tcp_chr_close
;
3702 /* allow fast reuse */
3706 pstrcpy(path
, sizeof(path
), uaddr
.sun_path
);
3712 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
3715 ret
= bind(fd
, addr
, addrlen
);
3719 ret
= listen(fd
, 0);
3724 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3726 s
->do_telnetopt
= 1;
3729 ret
= connect(fd
, addr
, addrlen
);
3731 err
= socket_error();
3732 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
3733 } else if (err
== EINPROGRESS
) {
3736 } else if (err
== WSAEALREADY
) {
3748 socket_set_nodelay(fd
);
3750 tcp_chr_connect(chr
);
3752 qemu_set_fd_handler(s
->fd
, NULL
, tcp_chr_connect
, chr
);
3755 if (is_listen
&& is_waitconnect
) {
3756 printf("QEMU waiting for connection on: %s\n", host_str
);
3757 tcp_chr_accept(chr
);
3758 socket_set_nonblock(s
->listen_fd
);
3770 CharDriverState
*qemu_chr_open(const char *filename
)
3774 if (!strcmp(filename
, "vc")) {
3775 return text_console_init(&display_state
, 0);
3776 } else if (strstart(filename
, "vc:", &p
)) {
3777 return text_console_init(&display_state
, p
);
3778 } else if (!strcmp(filename
, "null")) {
3779 return qemu_chr_open_null();
3781 if (strstart(filename
, "tcp:", &p
)) {
3782 return qemu_chr_open_tcp(p
, 0, 0);
3784 if (strstart(filename
, "telnet:", &p
)) {
3785 return qemu_chr_open_tcp(p
, 1, 0);
3787 if (strstart(filename
, "udp:", &p
)) {
3788 return qemu_chr_open_udp(p
);
3790 if (strstart(filename
, "mon:", &p
)) {
3791 CharDriverState
*drv
= qemu_chr_open(p
);
3793 drv
= qemu_chr_open_mux(drv
);
3794 monitor_init(drv
, !nographic
);
3797 printf("Unable to open driver: %s\n", p
);
3801 if (strstart(filename
, "unix:", &p
)) {
3802 return qemu_chr_open_tcp(p
, 0, 1);
3803 } else if (strstart(filename
, "file:", &p
)) {
3804 return qemu_chr_open_file_out(p
);
3805 } else if (strstart(filename
, "pipe:", &p
)) {
3806 return qemu_chr_open_pipe(p
);
3807 } else if (!strcmp(filename
, "pty")) {
3808 return qemu_chr_open_pty();
3809 } else if (!strcmp(filename
, "stdio")) {
3810 return qemu_chr_open_stdio();
3812 #if defined(__linux__)
3813 if (strstart(filename
, "/dev/parport", NULL
)) {
3814 return qemu_chr_open_pp(filename
);
3817 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
3818 || defined(__NetBSD__) || defined(__OpenBSD__)
3819 if (strstart(filename
, "/dev/", NULL
)) {
3820 return qemu_chr_open_tty(filename
);
3824 if (strstart(filename
, "COM", NULL
)) {
3825 return qemu_chr_open_win(filename
);
3827 if (strstart(filename
, "pipe:", &p
)) {
3828 return qemu_chr_open_win_pipe(p
);
3830 if (strstart(filename
, "con:", NULL
)) {
3831 return qemu_chr_open_win_con(filename
);
3833 if (strstart(filename
, "file:", &p
)) {
3834 return qemu_chr_open_win_file_out(p
);
3837 #ifdef CONFIG_BRLAPI
3838 if (!strcmp(filename
, "braille")) {
3839 return chr_baum_init();
3847 void qemu_chr_close(CharDriverState
*chr
)
3850 chr
->chr_close(chr
);
3854 /***********************************************************/
3855 /* network device redirectors */
3857 #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
3858 static void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
3862 for(i
=0;i
<size
;i
+=16) {
3866 fprintf(f
, "%08x ", i
);
3869 fprintf(f
, " %02x", buf
[i
+j
]);
3874 for(j
=0;j
<len
;j
++) {
3876 if (c
< ' ' || c
> '~')
3878 fprintf(f
, "%c", c
);
3885 static int parse_macaddr(uint8_t *macaddr
, const char *p
)
3892 offset
= strtol(p
, &last_char
, 0);
3893 if (0 == errno
&& '\0' == *last_char
&&
3894 offset
>= 0 && offset
<= 0xFFFFFF) {
3895 macaddr
[3] = (offset
& 0xFF0000) >> 16;
3896 macaddr
[4] = (offset
& 0xFF00) >> 8;
3897 macaddr
[5] = offset
& 0xFF;
3900 for(i
= 0; i
< 6; i
++) {
3901 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3906 if (*p
!= ':' && *p
!= '-')
3917 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
3922 p1
= strchr(p
, sep
);
3928 if (len
> buf_size
- 1)
3930 memcpy(buf
, p
, len
);
3937 int parse_host_src_port(struct sockaddr_in
*haddr
,
3938 struct sockaddr_in
*saddr
,
3939 const char *input_str
)
3941 char *str
= strdup(input_str
);
3942 char *host_str
= str
;
3944 const char *src_str2
;
3948 * Chop off any extra arguments at the end of the string which
3949 * would start with a comma, then fill in the src port information
3950 * if it was provided else use the "any address" and "any port".
3952 if ((ptr
= strchr(str
,',')))
3955 if ((src_str
= strchr(input_str
,'@'))) {
3960 if (parse_host_port(haddr
, host_str
) < 0)
3964 if (!src_str
|| *src_str
== '\0')
3967 if (parse_host_port(saddr
, src_str2
) < 0)
3978 int parse_host_port(struct sockaddr_in
*saddr
, const char *str
)
3986 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3988 saddr
->sin_family
= AF_INET
;
3989 if (buf
[0] == '\0') {
3990 saddr
->sin_addr
.s_addr
= 0;
3992 if (isdigit(buf
[0])) {
3993 if (!inet_aton(buf
, &saddr
->sin_addr
))
3996 if ((he
= gethostbyname(buf
)) == NULL
)
3998 saddr
->sin_addr
= *(struct in_addr
*)he
->h_addr
;
4001 port
= strtol(p
, (char **)&r
, 0);
4004 saddr
->sin_port
= htons(port
);
4009 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
)
4014 len
= MIN(108, strlen(str
));
4015 p
= strchr(str
, ',');
4017 len
= MIN(len
, p
- str
);
4019 memset(uaddr
, 0, sizeof(*uaddr
));
4021 uaddr
->sun_family
= AF_UNIX
;
4022 memcpy(uaddr
->sun_path
, str
, len
);
4028 /* find or alloc a new VLAN */
4029 VLANState
*qemu_find_vlan(int id
)
4031 VLANState
**pvlan
, *vlan
;
4032 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
4036 vlan
= qemu_mallocz(sizeof(VLANState
));
4041 pvlan
= &first_vlan
;
4042 while (*pvlan
!= NULL
)
4043 pvlan
= &(*pvlan
)->next
;
4048 VLANClientState
*qemu_new_vlan_client(VLANState
*vlan
,
4049 IOReadHandler
*fd_read
,
4050 IOCanRWHandler
*fd_can_read
,
4053 VLANClientState
*vc
, **pvc
;
4054 vc
= qemu_mallocz(sizeof(VLANClientState
));
4057 vc
->fd_read
= fd_read
;
4058 vc
->fd_can_read
= fd_can_read
;
4059 vc
->opaque
= opaque
;
4063 pvc
= &vlan
->first_client
;
4064 while (*pvc
!= NULL
)
4065 pvc
= &(*pvc
)->next
;
4070 void qemu_del_vlan_client(VLANClientState
*vc
)
4072 VLANClientState
**pvc
= &vc
->vlan
->first_client
;
4074 while (*pvc
!= NULL
)
4080 pvc
= &(*pvc
)->next
;
4083 int qemu_can_send_packet(VLANClientState
*vc1
)
4085 VLANState
*vlan
= vc1
->vlan
;
4086 VLANClientState
*vc
;
4088 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
4090 if (vc
->fd_can_read
&& vc
->fd_can_read(vc
->opaque
))
4097 void qemu_send_packet(VLANClientState
*vc1
, const uint8_t *buf
, int size
)
4099 VLANState
*vlan
= vc1
->vlan
;
4100 VLANClientState
*vc
;
4103 printf("vlan %d send:\n", vlan
->id
);
4104 hex_dump(stdout
, buf
, size
);
4106 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
4108 vc
->fd_read(vc
->opaque
, buf
, size
);
4113 #if defined(CONFIG_SLIRP)
4115 /* slirp network adapter */
4117 static int slirp_inited
;
4118 static VLANClientState
*slirp_vc
;
4120 int slirp_can_output(void)
4122 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
4125 void slirp_output(const uint8_t *pkt
, int pkt_len
)
4128 printf("slirp output:\n");
4129 hex_dump(stdout
, pkt
, pkt_len
);
4133 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
4136 static void slirp_receive(void *opaque
, const uint8_t *buf
, int size
)
4139 printf("slirp input:\n");
4140 hex_dump(stdout
, buf
, size
);
4142 slirp_input(buf
, size
);
4145 static int net_slirp_init(VLANState
*vlan
)
4147 if (!slirp_inited
) {
4151 slirp_vc
= qemu_new_vlan_client(vlan
,
4152 slirp_receive
, NULL
, NULL
);
4153 snprintf(slirp_vc
->info_str
, sizeof(slirp_vc
->info_str
), "user redirector");
4157 static void net_slirp_redir(const char *redir_str
)
4162 struct in_addr guest_addr
;
4163 int host_port
, guest_port
;
4165 if (!slirp_inited
) {
4171 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
4173 if (!strcmp(buf
, "tcp")) {
4175 } else if (!strcmp(buf
, "udp")) {
4181 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
4183 host_port
= strtol(buf
, &r
, 0);
4187 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
4189 if (buf
[0] == '\0') {
4190 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
4192 if (!inet_aton(buf
, &guest_addr
))
4195 guest_port
= strtol(p
, &r
, 0);
4199 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
4200 fprintf(stderr
, "qemu: could not set up redirection\n");
4205 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
4211 static char smb_dir
[1024];
4213 static void erase_dir(char *dir_name
)
4217 char filename
[1024];
4219 /* erase all the files in the directory */
4220 if ((d
= opendir(dir_name
)) != 0) {
4225 if (strcmp(de
->d_name
, ".") != 0 &&
4226 strcmp(de
->d_name
, "..") != 0) {
4227 snprintf(filename
, sizeof(filename
), "%s/%s",
4228 smb_dir
, de
->d_name
);
4229 if (unlink(filename
) != 0) /* is it a directory? */
4230 erase_dir(filename
);
4238 /* automatic user mode samba server configuration */
4239 static void smb_exit(void)
4244 /* automatic user mode samba server configuration */
4245 static void net_slirp_smb(const char *exported_dir
)
4247 char smb_conf
[1024];
4248 char smb_cmdline
[1024];
4251 if (!slirp_inited
) {
4256 /* XXX: better tmp dir construction */
4257 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
4258 if (mkdir(smb_dir
, 0700) < 0) {
4259 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
4262 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
4264 f
= fopen(smb_conf
, "w");
4266 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
4273 "socket address=127.0.0.1\n"
4274 "pid directory=%s\n"
4275 "lock directory=%s\n"
4276 "log file=%s/log.smbd\n"
4277 "smb passwd file=%s/smbpasswd\n"
4278 "security = share\n"
4293 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
4294 SMBD_COMMAND
, smb_conf
);
4296 slirp_add_exec(0, smb_cmdline
, 4, 139);
4299 #endif /* !defined(_WIN32) */
4300 void do_info_slirp(void)
4305 #endif /* CONFIG_SLIRP */
4307 #if !defined(_WIN32)
4309 typedef struct TAPState
{
4310 VLANClientState
*vc
;
4312 char down_script
[1024];
4315 static void tap_receive(void *opaque
, const uint8_t *buf
, int size
)
4317 TAPState
*s
= opaque
;
4320 ret
= write(s
->fd
, buf
, size
);
4321 if (ret
< 0 && (errno
== EINTR
|| errno
== EAGAIN
)) {
4328 static void tap_send(void *opaque
)
4330 TAPState
*s
= opaque
;
4337 sbuf
.maxlen
= sizeof(buf
);
4339 size
= getmsg(s
->fd
, NULL
, &sbuf
, &f
) >=0 ? sbuf
.len
: -1;
4341 size
= read(s
->fd
, buf
, sizeof(buf
));
4344 qemu_send_packet(s
->vc
, buf
, size
);
4350 static TAPState
*net_tap_fd_init(VLANState
*vlan
, int fd
)
4354 s
= qemu_mallocz(sizeof(TAPState
));
4358 s
->vc
= qemu_new_vlan_client(vlan
, tap_receive
, NULL
, s
);
4359 qemu_set_fd_handler(s
->fd
, tap_send
, NULL
, s
);
4360 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "tap: fd=%d", fd
);
4364 #if defined (_BSD) || defined (__FreeBSD_kernel__)
4365 static int tap_open(char *ifname
, int ifname_size
)
4371 TFR(fd
= open("/dev/tap", O_RDWR
));
4373 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
4378 dev
= devname(s
.st_rdev
, S_IFCHR
);
4379 pstrcpy(ifname
, ifname_size
, dev
);
4381 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4384 #elif defined(__sun__)
4385 #define TUNNEWPPA (('T'<<16) | 0x0001)
4387 * Allocate TAP device, returns opened fd.
4388 * Stores dev name in the first arg(must be large enough).
4390 int tap_alloc(char *dev
, size_t dev_size
)
4392 int tap_fd
, if_fd
, ppa
= -1;
4393 static int ip_fd
= 0;
4396 static int arp_fd
= 0;
4397 int ip_muxid
, arp_muxid
;
4398 struct strioctl strioc_if
, strioc_ppa
;
4399 int link_type
= I_PLINK
;;
4401 char actual_name
[32] = "";
4403 memset(&ifr
, 0x0, sizeof(ifr
));
4407 while( *ptr
&& !isdigit((int)*ptr
) ) ptr
++;
4411 /* Check if IP device was opened */
4415 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
4417 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
4421 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
4423 syslog(LOG_ERR
, "Can't open /dev/tap");
4427 /* Assign a new PPA and get its unit number. */
4428 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
4429 strioc_ppa
.ic_timout
= 0;
4430 strioc_ppa
.ic_len
= sizeof(ppa
);
4431 strioc_ppa
.ic_dp
= (char *)&ppa
;
4432 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
4433 syslog (LOG_ERR
, "Can't assign new interface");
4435 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
4437 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
4440 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
4441 syslog(LOG_ERR
, "Can't push IP module");
4445 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
4446 syslog(LOG_ERR
, "Can't get flags\n");
4448 snprintf (actual_name
, 32, "tap%d", ppa
);
4449 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4452 /* Assign ppa according to the unit number returned by tun device */
4454 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
4455 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
4456 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
4457 syslog (LOG_ERR
, "Can't get flags\n");
4458 /* Push arp module to if_fd */
4459 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
4460 syslog (LOG_ERR
, "Can't push ARP module (2)");
4462 /* Push arp module to ip_fd */
4463 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
4464 syslog (LOG_ERR
, "I_POP failed\n");
4465 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
4466 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
4468 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
4470 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
4472 /* Set ifname to arp */
4473 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
4474 strioc_if
.ic_timout
= 0;
4475 strioc_if
.ic_len
= sizeof(ifr
);
4476 strioc_if
.ic_dp
= (char *)&ifr
;
4477 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
4478 syslog (LOG_ERR
, "Can't set ifname to arp\n");
4481 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
4482 syslog(LOG_ERR
, "Can't link TAP device to IP");
4486 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
4487 syslog (LOG_ERR
, "Can't link TAP device to ARP");
4491 memset(&ifr
, 0x0, sizeof(ifr
));
4492 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4493 ifr
.lifr_ip_muxid
= ip_muxid
;
4494 ifr
.lifr_arp_muxid
= arp_muxid
;
4496 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
4498 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
4499 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
4500 syslog (LOG_ERR
, "Can't set multiplexor id");
4503 snprintf(dev
, dev_size
, "tap%d", ppa
);
4507 static int tap_open(char *ifname
, int ifname_size
)
4511 if( (fd
= tap_alloc(dev
, sizeof(dev
))) < 0 ){
4512 fprintf(stderr
, "Cannot allocate TAP device\n");
4515 pstrcpy(ifname
, ifname_size
, dev
);
4516 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4520 static int tap_open(char *ifname
, int ifname_size
)
4525 TFR(fd
= open("/dev/net/tun", O_RDWR
));
4527 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4530 memset(&ifr
, 0, sizeof(ifr
));
4531 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
4532 if (ifname
[0] != '\0')
4533 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
4535 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
4536 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
4538 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4542 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
4543 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4548 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
4554 /* try to launch network script */
4558 int open_max
= sysconf (_SC_OPEN_MAX
), i
;
4559 for (i
= 0; i
< open_max
; i
++)
4560 if (i
!= STDIN_FILENO
&&
4561 i
!= STDOUT_FILENO
&&
4562 i
!= STDERR_FILENO
&&
4567 *parg
++ = (char *)setup_script
;
4568 *parg
++ = (char *)ifname
;
4570 execv(setup_script
, args
);
4573 while (waitpid(pid
, &status
, 0) != pid
);
4574 if (!WIFEXITED(status
) ||
4575 WEXITSTATUS(status
) != 0) {
4576 fprintf(stderr
, "%s: could not launch network script\n",
4584 static int net_tap_init(VLANState
*vlan
, const char *ifname1
,
4585 const char *setup_script
, const char *down_script
)
4591 if (ifname1
!= NULL
)
4592 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
4595 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
4599 if (!setup_script
|| !strcmp(setup_script
, "no"))
4601 if (setup_script
[0] != '\0') {
4602 if (launch_script(setup_script
, ifname
, fd
))
4605 s
= net_tap_fd_init(vlan
, fd
);
4608 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4609 "tap: ifname=%s setup_script=%s", ifname
, setup_script
);
4610 if (down_script
&& strcmp(down_script
, "no"))
4611 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
4615 #endif /* !_WIN32 */
4617 #if defined(CONFIG_VDE)
4618 typedef struct VDEState
{
4619 VLANClientState
*vc
;
4623 static void vde_to_qemu(void *opaque
)
4625 VDEState
*s
= opaque
;
4629 size
= vde_recv(s
->vde
, buf
, sizeof(buf
), 0);
4631 qemu_send_packet(s
->vc
, buf
, size
);
4635 static void vde_from_qemu(void *opaque
, const uint8_t *buf
, int size
)
4637 VDEState
*s
= opaque
;
4640 ret
= vde_send(s
->vde
, buf
, size
, 0);
4641 if (ret
< 0 && errno
== EINTR
) {
4648 static int net_vde_init(VLANState
*vlan
, const char *sock
, int port
,
4649 const char *group
, int mode
)
4652 char *init_group
= strlen(group
) ? (char *)group
: NULL
;
4653 char *init_sock
= strlen(sock
) ? (char *)sock
: NULL
;
4655 struct vde_open_args args
= {
4657 .group
= init_group
,
4661 s
= qemu_mallocz(sizeof(VDEState
));
4664 s
->vde
= vde_open(init_sock
, "QEMU", &args
);
4669 s
->vc
= qemu_new_vlan_client(vlan
, vde_from_qemu
, NULL
, s
);
4670 qemu_set_fd_handler(vde_datafd(s
->vde
), vde_to_qemu
, NULL
, s
);
4671 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "vde: sock=%s fd=%d",
4672 sock
, vde_datafd(s
->vde
));
4677 /* network connection */
4678 typedef struct NetSocketState
{
4679 VLANClientState
*vc
;
4681 int state
; /* 0 = getting length, 1 = getting data */
4685 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4688 typedef struct NetSocketListenState
{
4691 } NetSocketListenState
;
4693 /* XXX: we consider we can send the whole packet without blocking */
4694 static void net_socket_receive(void *opaque
, const uint8_t *buf
, int size
)
4696 NetSocketState
*s
= opaque
;
4700 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
4701 send_all(s
->fd
, buf
, size
);
4704 static void net_socket_receive_dgram(void *opaque
, const uint8_t *buf
, int size
)
4706 NetSocketState
*s
= opaque
;
4707 sendto(s
->fd
, buf
, size
, 0,
4708 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
4711 static void net_socket_send(void *opaque
)
4713 NetSocketState
*s
= opaque
;
4718 size
= recv(s
->fd
, buf1
, sizeof(buf1
), 0);
4720 err
= socket_error();
4721 if (err
!= EWOULDBLOCK
)
4723 } else if (size
== 0) {
4724 /* end of connection */
4726 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4732 /* reassemble a packet from the network */
4738 memcpy(s
->buf
+ s
->index
, buf
, l
);
4742 if (s
->index
== 4) {
4744 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
4750 l
= s
->packet_len
- s
->index
;
4753 memcpy(s
->buf
+ s
->index
, buf
, l
);
4757 if (s
->index
>= s
->packet_len
) {
4758 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
4767 static void net_socket_send_dgram(void *opaque
)
4769 NetSocketState
*s
= opaque
;
4772 size
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
4776 /* end of connection */
4777 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4780 qemu_send_packet(s
->vc
, s
->buf
, size
);
4783 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
4788 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
4789 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4790 inet_ntoa(mcastaddr
->sin_addr
),
4791 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
4795 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
4797 perror("socket(PF_INET, SOCK_DGRAM)");
4802 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
4803 (const char *)&val
, sizeof(val
));
4805 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4809 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
4815 /* Add host to multicast group */
4816 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
4817 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
4819 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
4820 (const char *)&imr
, sizeof(struct ip_mreq
));
4822 perror("setsockopt(IP_ADD_MEMBERSHIP)");
4826 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4828 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
4829 (const char *)&val
, sizeof(val
));
4831 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4835 socket_set_nonblock(fd
);
4843 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
, int fd
,
4846 struct sockaddr_in saddr
;
4848 socklen_t saddr_len
;
4851 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4852 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4853 * by ONLY ONE process: we must "clone" this dgram socket --jjo
4857 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
4859 if (saddr
.sin_addr
.s_addr
==0) {
4860 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4864 /* clone dgram socket */
4865 newfd
= net_socket_mcast_create(&saddr
);
4867 /* error already reported by net_socket_mcast_create() */
4871 /* clone newfd to fd, close newfd */
4876 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4877 fd
, strerror(errno
));
4882 s
= qemu_mallocz(sizeof(NetSocketState
));
4887 s
->vc
= qemu_new_vlan_client(vlan
, net_socket_receive_dgram
, NULL
, s
);
4888 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
4890 /* mcast: save bound address as dst */
4891 if (is_connected
) s
->dgram_dst
=saddr
;
4893 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4894 "socket: fd=%d (%s mcast=%s:%d)",
4895 fd
, is_connected
? "cloned" : "",
4896 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4900 static void net_socket_connect(void *opaque
)
4902 NetSocketState
*s
= opaque
;
4903 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
4906 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
, int fd
,
4910 s
= qemu_mallocz(sizeof(NetSocketState
));
4914 s
->vc
= qemu_new_vlan_client(vlan
,
4915 net_socket_receive
, NULL
, s
);
4916 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4917 "socket: fd=%d", fd
);
4919 net_socket_connect(s
);
4921 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
4926 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
, int fd
,
4929 int so_type
=-1, optlen
=sizeof(so_type
);
4931 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
4932 (socklen_t
*)&optlen
)< 0) {
4933 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
4938 return net_socket_fd_init_dgram(vlan
, fd
, is_connected
);
4940 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4942 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4943 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
4944 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4949 static void net_socket_accept(void *opaque
)
4951 NetSocketListenState
*s
= opaque
;
4953 struct sockaddr_in saddr
;
4958 len
= sizeof(saddr
);
4959 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
4960 if (fd
< 0 && errno
!= EINTR
) {
4962 } else if (fd
>= 0) {
4966 s1
= net_socket_fd_init(s
->vlan
, fd
, 1);
4970 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
4971 "socket: connection from %s:%d",
4972 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4976 static int net_socket_listen_init(VLANState
*vlan
, const char *host_str
)
4978 NetSocketListenState
*s
;
4980 struct sockaddr_in saddr
;
4982 if (parse_host_port(&saddr
, host_str
) < 0)
4985 s
= qemu_mallocz(sizeof(NetSocketListenState
));
4989 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4994 socket_set_nonblock(fd
);
4996 /* allow fast reuse */
4998 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
5000 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
5005 ret
= listen(fd
, 0);
5012 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
5016 static int net_socket_connect_init(VLANState
*vlan
, const char *host_str
)
5019 int fd
, connected
, ret
, err
;
5020 struct sockaddr_in saddr
;
5022 if (parse_host_port(&saddr
, host_str
) < 0)
5025 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
5030 socket_set_nonblock(fd
);
5034 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
5036 err
= socket_error();
5037 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
5038 } else if (err
== EINPROGRESS
) {
5041 } else if (err
== WSAEALREADY
) {
5054 s
= net_socket_fd_init(vlan
, fd
, connected
);
5057 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
5058 "socket: connect to %s:%d",
5059 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
5063 static int net_socket_mcast_init(VLANState
*vlan
, const char *host_str
)
5067 struct sockaddr_in saddr
;
5069 if (parse_host_port(&saddr
, host_str
) < 0)
5073 fd
= net_socket_mcast_create(&saddr
);
5077 s
= net_socket_fd_init(vlan
, fd
, 0);
5081 s
->dgram_dst
= saddr
;
5083 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
5084 "socket: mcast=%s:%d",
5085 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
5090 static const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
5095 while (*p
!= '\0' && *p
!= '=') {
5096 if (q
&& (q
- buf
) < buf_size
- 1)
5106 static const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
5111 while (*p
!= '\0') {
5113 if (*(p
+ 1) != ',')
5117 if (q
&& (q
- buf
) < buf_size
- 1)
5127 static int get_param_value(char *buf
, int buf_size
,
5128 const char *tag
, const char *str
)
5135 p
= get_opt_name(option
, sizeof(option
), p
);
5139 if (!strcmp(tag
, option
)) {
5140 (void)get_opt_value(buf
, buf_size
, p
);
5143 p
= get_opt_value(NULL
, 0, p
);
5152 static int check_params(char *buf
, int buf_size
,
5153 const char * const *params
, const char *str
)
5160 p
= get_opt_name(buf
, buf_size
, p
);
5164 for(i
= 0; params
[i
] != NULL
; i
++)
5165 if (!strcmp(params
[i
], buf
))
5167 if (params
[i
] == NULL
)
5169 p
= get_opt_value(NULL
, 0, p
);
5177 static int net_client_init(const char *device
, const char *p
)
5184 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
5185 vlan_id
= strtol(buf
, NULL
, 0);
5187 vlan
= qemu_find_vlan(vlan_id
);
5189 fprintf(stderr
, "Could not create vlan %d\n", vlan_id
);
5192 if (!strcmp(device
, "nic")) {
5196 if (nb_nics
>= MAX_NICS
) {
5197 fprintf(stderr
, "Too Many NICs\n");
5200 nd
= &nd_table
[nb_nics
];
5201 macaddr
= nd
->macaddr
;
5207 macaddr
[5] = 0x56 + nb_nics
;
5209 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
5210 if (parse_macaddr(macaddr
, buf
) < 0) {
5211 fprintf(stderr
, "invalid syntax for ethernet address\n");
5215 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
5216 nd
->model
= strdup(buf
);
5220 vlan
->nb_guest_devs
++;
5223 if (!strcmp(device
, "none")) {
5224 /* does nothing. It is needed to signal that no network cards
5229 if (!strcmp(device
, "user")) {
5230 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
5231 pstrcpy(slirp_hostname
, sizeof(slirp_hostname
), buf
);
5233 vlan
->nb_host_devs
++;
5234 ret
= net_slirp_init(vlan
);
5238 if (!strcmp(device
, "tap")) {
5240 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
5241 fprintf(stderr
, "tap: no interface name\n");
5244 vlan
->nb_host_devs
++;
5245 ret
= tap_win32_init(vlan
, ifname
);
5248 if (!strcmp(device
, "tap")) {
5250 char setup_script
[1024], down_script
[1024];
5252 vlan
->nb_host_devs
++;
5253 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
5254 fd
= strtol(buf
, NULL
, 0);
5255 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
5257 if (net_tap_fd_init(vlan
, fd
))
5260 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
5263 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
5264 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
5266 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
5267 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
5269 ret
= net_tap_init(vlan
, ifname
, setup_script
, down_script
);
5273 if (!strcmp(device
, "socket")) {
5274 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
5276 fd
= strtol(buf
, NULL
, 0);
5278 if (net_socket_fd_init(vlan
, fd
, 1))
5280 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
5281 ret
= net_socket_listen_init(vlan
, buf
);
5282 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
5283 ret
= net_socket_connect_init(vlan
, buf
);
5284 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
5285 ret
= net_socket_mcast_init(vlan
, buf
);
5287 fprintf(stderr
, "Unknown socket options: %s\n", p
);
5290 vlan
->nb_host_devs
++;
5293 if (!strcmp(device
, "vde")) {
5294 char vde_sock
[1024], vde_group
[512];
5295 int vde_port
, vde_mode
;
5296 vlan
->nb_host_devs
++;
5297 if (get_param_value(vde_sock
, sizeof(vde_sock
), "sock", p
) <= 0) {
5300 if (get_param_value(buf
, sizeof(buf
), "port", p
) > 0) {
5301 vde_port
= strtol(buf
, NULL
, 10);
5305 if (get_param_value(vde_group
, sizeof(vde_group
), "group", p
) <= 0) {
5306 vde_group
[0] = '\0';
5308 if (get_param_value(buf
, sizeof(buf
), "mode", p
) > 0) {
5309 vde_mode
= strtol(buf
, NULL
, 8);
5313 ret
= net_vde_init(vlan
, vde_sock
, vde_port
, vde_group
, vde_mode
);
5317 fprintf(stderr
, "Unknown network device: %s\n", device
);
5321 fprintf(stderr
, "Could not initialize device '%s'\n", device
);
5327 static int net_client_parse(const char *str
)
5335 while (*p
!= '\0' && *p
!= ',') {
5336 if ((q
- device
) < sizeof(device
) - 1)
5344 return net_client_init(device
, p
);
5347 void do_info_network(void)
5350 VLANClientState
*vc
;
5352 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
5353 term_printf("VLAN %d devices:\n", vlan
->id
);
5354 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
5355 term_printf(" %s\n", vc
->info_str
);
5359 /***********************************************************/
5360 /* Bluetooth support */
5363 static struct HCIInfo
*hci_table
[MAX_NICS
];
5364 static struct bt_vlan_s
{
5365 struct bt_scatternet_s net
;
5367 struct bt_vlan_s
*next
;
5370 /* find or alloc a new bluetooth "VLAN" */
5371 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
5373 struct bt_vlan_s
**pvlan
, *vlan
;
5374 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
5378 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
5380 pvlan
= &first_bt_vlan
;
5381 while (*pvlan
!= NULL
)
5382 pvlan
= &(*pvlan
)->next
;
5387 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
5391 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
5396 static struct HCIInfo null_hci
= {
5397 .cmd_send
= null_hci_send
,
5398 .sco_send
= null_hci_send
,
5399 .acl_send
= null_hci_send
,
5400 .bdaddr_set
= null_hci_addr_set
,
5403 struct HCIInfo
*qemu_next_hci(void)
5405 if (cur_hci
== nb_hcis
)
5408 return hci_table
[cur_hci
++];
5411 /***********************************************************/
5412 /* QEMU Block devices */
5414 #define HD_ALIAS "index=%d,media=disk"
5416 #define CDROM_ALIAS "index=1,media=cdrom"
5418 #define CDROM_ALIAS "index=2,media=cdrom"
5420 #define FD_ALIAS "index=%d,if=floppy"
5421 #define PFLASH_ALIAS "if=pflash"
5422 #define MTD_ALIAS "if=mtd"
5423 #define SD_ALIAS "index=0,if=sd"
5425 static int drive_add(const char *file
, const char *fmt
, ...)
5429 if (nb_drives_opt
>= MAX_DRIVES
) {
5430 fprintf(stderr
, "qemu: too many drives\n");
5434 drives_opt
[nb_drives_opt
].file
= file
;
5436 vsnprintf(drives_opt
[nb_drives_opt
].opt
,
5437 sizeof(drives_opt
[0].opt
), fmt
, ap
);
5440 return nb_drives_opt
++;
5443 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
5447 /* seek interface, bus and unit */
5449 for (index
= 0; index
< nb_drives
; index
++)
5450 if (drives_table
[index
].type
== type
&&
5451 drives_table
[index
].bus
== bus
&&
5452 drives_table
[index
].unit
== unit
)
5458 int drive_get_max_bus(BlockInterfaceType type
)
5464 for (index
= 0; index
< nb_drives
; index
++) {
5465 if(drives_table
[index
].type
== type
&&
5466 drives_table
[index
].bus
> max_bus
)
5467 max_bus
= drives_table
[index
].bus
;
5472 static void bdrv_format_print(void *opaque
, const char *name
)
5474 fprintf(stderr
, " %s", name
);
5477 static int drive_init(struct drive_opt
*arg
, int snapshot
,
5478 QEMUMachine
*machine
)
5483 const char *mediastr
= "";
5484 BlockInterfaceType type
;
5485 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
5486 int bus_id
, unit_id
;
5487 int cyls
, heads
, secs
, translation
;
5488 BlockDriverState
*bdrv
;
5489 BlockDriver
*drv
= NULL
;
5494 char *str
= arg
->opt
;
5495 static const char * const params
[] = { "bus", "unit", "if", "index",
5496 "cyls", "heads", "secs", "trans",
5497 "media", "snapshot", "file",
5498 "cache", "format", NULL
};
5500 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
5501 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
5507 cyls
= heads
= secs
= 0;
5510 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5514 if (machine
->use_scsi
) {
5516 max_devs
= MAX_SCSI_DEVS
;
5517 pstrcpy(devname
, sizeof(devname
), "scsi");
5520 max_devs
= MAX_IDE_DEVS
;
5521 pstrcpy(devname
, sizeof(devname
), "ide");
5525 /* extract parameters */
5527 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
5528 bus_id
= strtol(buf
, NULL
, 0);
5530 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
5535 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
5536 unit_id
= strtol(buf
, NULL
, 0);
5538 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
5543 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
5544 pstrcpy(devname
, sizeof(devname
), buf
);
5545 if (!strcmp(buf
, "ide")) {
5547 max_devs
= MAX_IDE_DEVS
;
5548 } else if (!strcmp(buf
, "scsi")) {
5550 max_devs
= MAX_SCSI_DEVS
;
5551 } else if (!strcmp(buf
, "floppy")) {
5554 } else if (!strcmp(buf
, "pflash")) {
5557 } else if (!strcmp(buf
, "mtd")) {
5560 } else if (!strcmp(buf
, "sd")) {
5564 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
5569 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
5570 index
= strtol(buf
, NULL
, 0);
5572 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
5577 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
5578 cyls
= strtol(buf
, NULL
, 0);
5581 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
5582 heads
= strtol(buf
, NULL
, 0);
5585 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
5586 secs
= strtol(buf
, NULL
, 0);
5589 if (cyls
|| heads
|| secs
) {
5590 if (cyls
< 1 || cyls
> 16383) {
5591 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
5594 if (heads
< 1 || heads
> 16) {
5595 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
5598 if (secs
< 1 || secs
> 63) {
5599 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
5604 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
5607 "qemu: '%s' trans must be used with cyls,heads and secs\n",
5611 if (!strcmp(buf
, "none"))
5612 translation
= BIOS_ATA_TRANSLATION_NONE
;
5613 else if (!strcmp(buf
, "lba"))
5614 translation
= BIOS_ATA_TRANSLATION_LBA
;
5615 else if (!strcmp(buf
, "auto"))
5616 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5618 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
5623 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
5624 if (!strcmp(buf
, "disk")) {
5626 } else if (!strcmp(buf
, "cdrom")) {
5627 if (cyls
|| secs
|| heads
) {
5629 "qemu: '%s' invalid physical CHS format\n", str
);
5632 media
= MEDIA_CDROM
;
5634 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
5639 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
5640 if (!strcmp(buf
, "on"))
5642 else if (!strcmp(buf
, "off"))
5645 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
5650 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
5651 if (!strcmp(buf
, "off"))
5653 else if (!strcmp(buf
, "on"))
5656 fprintf(stderr
, "qemu: invalid cache option\n");
5661 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
5662 if (strcmp(buf
, "?") == 0) {
5663 fprintf(stderr
, "qemu: Supported formats:");
5664 bdrv_iterate_format(bdrv_format_print
, NULL
);
5665 fprintf(stderr
, "\n");
5668 drv
= bdrv_find_format(buf
);
5670 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
5675 if (arg
->file
== NULL
)
5676 get_param_value(file
, sizeof(file
), "file", str
);
5678 pstrcpy(file
, sizeof(file
), arg
->file
);
5680 /* compute bus and unit according index */
5683 if (bus_id
!= 0 || unit_id
!= -1) {
5685 "qemu: '%s' index cannot be used with bus and unit\n", str
);
5693 unit_id
= index
% max_devs
;
5694 bus_id
= index
/ max_devs
;
5698 /* if user doesn't specify a unit_id,
5699 * try to find the first free
5702 if (unit_id
== -1) {
5704 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
5706 if (max_devs
&& unit_id
>= max_devs
) {
5707 unit_id
-= max_devs
;
5715 if (max_devs
&& unit_id
>= max_devs
) {
5716 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
5717 str
, unit_id
, max_devs
- 1);
5722 * ignore multiple definitions
5725 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
5730 if (type
== IF_IDE
|| type
== IF_SCSI
)
5731 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
5733 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
5734 devname
, bus_id
, mediastr
, unit_id
);
5736 snprintf(buf
, sizeof(buf
), "%s%s%i",
5737 devname
, mediastr
, unit_id
);
5738 bdrv
= bdrv_new(buf
);
5739 drives_table
[nb_drives
].bdrv
= bdrv
;
5740 drives_table
[nb_drives
].type
= type
;
5741 drives_table
[nb_drives
].bus
= bus_id
;
5742 drives_table
[nb_drives
].unit
= unit_id
;
5751 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
5752 bdrv_set_translation_hint(bdrv
, translation
);
5756 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
5761 /* FIXME: This isn't really a floppy, but it's a reasonable
5764 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
5774 bdrv_flags
|= BDRV_O_SNAPSHOT
;
5776 bdrv_flags
|= BDRV_O_DIRECT
;
5777 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0 || qemu_key_check(bdrv
, file
)) {
5778 fprintf(stderr
, "qemu: could not open disk image %s\n",
5785 /***********************************************************/
5788 static USBPort
*used_usb_ports
;
5789 static USBPort
*free_usb_ports
;
5791 /* ??? Maybe change this to register a hub to keep track of the topology. */
5792 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
5793 usb_attachfn attach
)
5795 port
->opaque
= opaque
;
5796 port
->index
= index
;
5797 port
->attach
= attach
;
5798 port
->next
= free_usb_ports
;
5799 free_usb_ports
= port
;
5802 int usb_device_add_dev(USBDevice
*dev
)
5806 /* Find a USB port to add the device to. */
5807 port
= free_usb_ports
;
5811 /* Create a new hub and chain it on. */
5812 free_usb_ports
= NULL
;
5813 port
->next
= used_usb_ports
;
5814 used_usb_ports
= port
;
5816 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
5817 usb_attach(port
, hub
);
5818 port
= free_usb_ports
;
5821 free_usb_ports
= port
->next
;
5822 port
->next
= used_usb_ports
;
5823 used_usb_ports
= port
;
5824 usb_attach(port
, dev
);
5828 static int usb_device_add(const char *devname
)
5833 if (!free_usb_ports
)
5836 if (strstart(devname
, "host:", &p
)) {
5837 dev
= usb_host_device_open(p
);
5838 } else if (!strcmp(devname
, "mouse")) {
5839 dev
= usb_mouse_init();
5840 } else if (!strcmp(devname
, "tablet")) {
5841 dev
= usb_tablet_init();
5842 } else if (!strcmp(devname
, "keyboard")) {
5843 dev
= usb_keyboard_init();
5844 } else if (strstart(devname
, "disk:", &p
)) {
5845 dev
= usb_msd_init(p
);
5846 } else if (!strcmp(devname
, "wacom-tablet")) {
5847 dev
= usb_wacom_init();
5848 } else if (strstart(devname
, "serial:", &p
)) {
5849 dev
= usb_serial_init(p
);
5850 #ifdef CONFIG_BRLAPI
5851 } else if (!strcmp(devname
, "braille")) {
5852 dev
= usb_baum_init();
5854 } else if (strstart(devname
, "net:", &p
)) {
5857 if (net_client_init("nic", p
) < 0)
5859 nd_table
[nic
].model
= "usb";
5860 dev
= usb_net_init(&nd_table
[nic
]);
5867 return usb_device_add_dev(dev
);
5870 int usb_device_del_addr(int bus_num
, int addr
)
5876 if (!used_usb_ports
)
5882 lastp
= &used_usb_ports
;
5883 port
= used_usb_ports
;
5884 while (port
&& port
->dev
->addr
!= addr
) {
5885 lastp
= &port
->next
;
5893 *lastp
= port
->next
;
5894 usb_attach(port
, NULL
);
5895 dev
->handle_destroy(dev
);
5896 port
->next
= free_usb_ports
;
5897 free_usb_ports
= port
;
5901 static int usb_device_del(const char *devname
)
5906 if (strstart(devname
, "host:", &p
))
5907 return usb_host_device_close(p
);
5909 if (!used_usb_ports
)
5912 p
= strchr(devname
, '.');
5915 bus_num
= strtoul(devname
, NULL
, 0);
5916 addr
= strtoul(p
+ 1, NULL
, 0);
5918 return usb_device_del_addr(bus_num
, addr
);
5921 void do_usb_add(const char *devname
)
5923 usb_device_add(devname
);
5926 void do_usb_del(const char *devname
)
5928 usb_device_del(devname
);
5935 const char *speed_str
;
5938 term_printf("USB support not enabled\n");
5942 for (port
= used_usb_ports
; port
; port
= port
->next
) {
5946 switch(dev
->speed
) {
5950 case USB_SPEED_FULL
:
5953 case USB_SPEED_HIGH
:
5960 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
5961 0, dev
->addr
, speed_str
, dev
->devname
);
5965 /***********************************************************/
5966 /* PCMCIA/Cardbus */
5968 static struct pcmcia_socket_entry_s
{
5969 struct pcmcia_socket_s
*socket
;
5970 struct pcmcia_socket_entry_s
*next
;
5971 } *pcmcia_sockets
= 0;
5973 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
5975 struct pcmcia_socket_entry_s
*entry
;
5977 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
5978 entry
->socket
= socket
;
5979 entry
->next
= pcmcia_sockets
;
5980 pcmcia_sockets
= entry
;
5983 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
5985 struct pcmcia_socket_entry_s
*entry
, **ptr
;
5987 ptr
= &pcmcia_sockets
;
5988 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
5989 if (entry
->socket
== socket
) {
5995 void pcmcia_info(void)
5997 struct pcmcia_socket_entry_s
*iter
;
5998 if (!pcmcia_sockets
)
5999 term_printf("No PCMCIA sockets\n");
6001 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
6002 term_printf("%s: %s\n", iter
->socket
->slot_string
,
6003 iter
->socket
->attached
? iter
->socket
->card_string
:
6007 /***********************************************************/
6010 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
6014 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
6018 static void dumb_refresh(DisplayState
*ds
)
6020 #if defined(CONFIG_SDL)
6025 static void dumb_display_init(DisplayState
*ds
)
6030 ds
->dpy_update
= dumb_update
;
6031 ds
->dpy_resize
= dumb_resize
;
6032 ds
->dpy_refresh
= dumb_refresh
;
6033 ds
->gui_timer_interval
= 500;
6037 /***********************************************************/
6040 #define MAX_IO_HANDLERS 64
6042 typedef struct IOHandlerRecord
{
6044 IOCanRWHandler
*fd_read_poll
;
6046 IOHandler
*fd_write
;
6049 /* temporary data */
6051 struct IOHandlerRecord
*next
;
6054 static IOHandlerRecord
*first_io_handler
;
6056 /* XXX: fd_read_poll should be suppressed, but an API change is
6057 necessary in the character devices to suppress fd_can_read(). */
6058 int qemu_set_fd_handler2(int fd
,
6059 IOCanRWHandler
*fd_read_poll
,
6061 IOHandler
*fd_write
,
6064 IOHandlerRecord
**pioh
, *ioh
;
6066 if (!fd_read
&& !fd_write
) {
6067 pioh
= &first_io_handler
;
6072 if (ioh
->fd
== fd
) {
6079 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
6083 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
6086 ioh
->next
= first_io_handler
;
6087 first_io_handler
= ioh
;
6090 ioh
->fd_read_poll
= fd_read_poll
;
6091 ioh
->fd_read
= fd_read
;
6092 ioh
->fd_write
= fd_write
;
6093 ioh
->opaque
= opaque
;
6099 int qemu_set_fd_handler(int fd
,
6101 IOHandler
*fd_write
,
6104 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
6107 /***********************************************************/
6108 /* Polling handling */
6110 typedef struct PollingEntry
{
6113 struct PollingEntry
*next
;
6116 static PollingEntry
*first_polling_entry
;
6118 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
6120 PollingEntry
**ppe
, *pe
;
6121 pe
= qemu_mallocz(sizeof(PollingEntry
));
6125 pe
->opaque
= opaque
;
6126 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
6131 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
6133 PollingEntry
**ppe
, *pe
;
6134 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
6136 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
6145 /***********************************************************/
6146 /* Wait objects support */
6147 typedef struct WaitObjects
{
6149 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
6150 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
6151 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
6154 static WaitObjects wait_objects
= {0};
6156 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
6158 WaitObjects
*w
= &wait_objects
;
6160 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
6162 w
->events
[w
->num
] = handle
;
6163 w
->func
[w
->num
] = func
;
6164 w
->opaque
[w
->num
] = opaque
;
6169 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
6172 WaitObjects
*w
= &wait_objects
;
6175 for (i
= 0; i
< w
->num
; i
++) {
6176 if (w
->events
[i
] == handle
)
6179 w
->events
[i
] = w
->events
[i
+ 1];
6180 w
->func
[i
] = w
->func
[i
+ 1];
6181 w
->opaque
[i
] = w
->opaque
[i
+ 1];
6189 /***********************************************************/
6190 /* savevm/loadvm support */
6192 #define IO_BUF_SIZE 32768
6195 QEMUFilePutBufferFunc
*put_buffer
;
6196 QEMUFileGetBufferFunc
*get_buffer
;
6197 QEMUFileCloseFunc
*close
;
6198 QEMUFileRateLimit
*rate_limit
;
6202 int64_t buf_offset
; /* start of buffer when writing, end of buffer
6205 int buf_size
; /* 0 when writing */
6206 uint8_t buf
[IO_BUF_SIZE
];
6211 typedef struct QEMUFileFD
6217 static int fd_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
6219 QEMUFileFD
*s
= opaque
;
6223 len
= read(s
->fd
, buf
, size
);
6224 } while (len
== -1 && errno
== EINTR
);
6232 static int fd_close(void *opaque
)
6234 QEMUFileFD
*s
= opaque
;
6239 QEMUFile
*qemu_fopen_fd(int fd
)
6241 QEMUFileFD
*s
= qemu_mallocz(sizeof(QEMUFileFD
));
6247 s
->file
= qemu_fopen_ops(s
, NULL
, fd_get_buffer
, fd_close
, NULL
);
6251 typedef struct QEMUFileStdio
6256 static int file_put_buffer(void *opaque
, const uint8_t *buf
,
6257 int64_t pos
, int size
)
6259 QEMUFileStdio
*s
= opaque
;
6260 fseek(s
->outfile
, pos
, SEEK_SET
);
6261 fwrite(buf
, 1, size
, s
->outfile
);
6265 static int file_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
6267 QEMUFileStdio
*s
= opaque
;
6268 fseek(s
->outfile
, pos
, SEEK_SET
);
6269 return fread(buf
, 1, size
, s
->outfile
);
6272 static int file_close(void *opaque
)
6274 QEMUFileStdio
*s
= opaque
;
6280 QEMUFile
*qemu_fopen(const char *filename
, const char *mode
)
6284 s
= qemu_mallocz(sizeof(QEMUFileStdio
));
6288 s
->outfile
= fopen(filename
, mode
);
6292 if (!strcmp(mode
, "wb"))
6293 return qemu_fopen_ops(s
, file_put_buffer
, NULL
, file_close
, NULL
);
6294 else if (!strcmp(mode
, "rb"))
6295 return qemu_fopen_ops(s
, NULL
, file_get_buffer
, file_close
, NULL
);
6304 typedef struct QEMUFileBdrv
6306 BlockDriverState
*bs
;
6307 int64_t base_offset
;
6310 static int bdrv_put_buffer(void *opaque
, const uint8_t *buf
,
6311 int64_t pos
, int size
)
6313 QEMUFileBdrv
*s
= opaque
;
6314 bdrv_pwrite(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
6318 static int bdrv_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
6320 QEMUFileBdrv
*s
= opaque
;
6321 return bdrv_pread(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
6324 static int bdrv_fclose(void *opaque
)
6326 QEMUFileBdrv
*s
= opaque
;
6331 static QEMUFile
*qemu_fopen_bdrv(BlockDriverState
*bs
, int64_t offset
, int is_writable
)
6335 s
= qemu_mallocz(sizeof(QEMUFileBdrv
));
6340 s
->base_offset
= offset
;
6343 return qemu_fopen_ops(s
, bdrv_put_buffer
, NULL
, bdrv_fclose
, NULL
);
6345 return qemu_fopen_ops(s
, NULL
, bdrv_get_buffer
, bdrv_fclose
, NULL
);
6348 QEMUFile
*qemu_fopen_ops(void *opaque
, QEMUFilePutBufferFunc
*put_buffer
,
6349 QEMUFileGetBufferFunc
*get_buffer
,
6350 QEMUFileCloseFunc
*close
,
6351 QEMUFileRateLimit
*rate_limit
)
6355 f
= qemu_mallocz(sizeof(QEMUFile
));
6360 f
->put_buffer
= put_buffer
;
6361 f
->get_buffer
= get_buffer
;
6363 f
->rate_limit
= rate_limit
;
6369 int qemu_file_has_error(QEMUFile
*f
)
6371 return f
->has_error
;
6374 void qemu_fflush(QEMUFile
*f
)
6379 if (f
->is_write
&& f
->buf_index
> 0) {
6382 len
= f
->put_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, f
->buf_index
);
6384 f
->buf_offset
+= f
->buf_index
;
6391 static void qemu_fill_buffer(QEMUFile
*f
)
6401 len
= f
->get_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, IO_BUF_SIZE
);
6405 f
->buf_offset
+= len
;
6406 } else if (len
!= -EAGAIN
)
6410 int qemu_fclose(QEMUFile
*f
)
6415 ret
= f
->close(f
->opaque
);
6420 void qemu_file_put_notify(QEMUFile
*f
)
6422 f
->put_buffer(f
->opaque
, NULL
, 0, 0);
6425 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
6429 if (!f
->has_error
&& f
->is_write
== 0 && f
->buf_index
> 0) {
6431 "Attempted to write to buffer while read buffer is not empty\n");
6435 while (!f
->has_error
&& size
> 0) {
6436 l
= IO_BUF_SIZE
- f
->buf_index
;
6439 memcpy(f
->buf
+ f
->buf_index
, buf
, l
);
6444 if (f
->buf_index
>= IO_BUF_SIZE
)
6449 void qemu_put_byte(QEMUFile
*f
, int v
)
6451 if (!f
->has_error
&& f
->is_write
== 0 && f
->buf_index
> 0) {
6453 "Attempted to write to buffer while read buffer is not empty\n");
6457 f
->buf
[f
->buf_index
++] = v
;
6459 if (f
->buf_index
>= IO_BUF_SIZE
)
6463 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size1
)
6472 l
= f
->buf_size
- f
->buf_index
;
6474 qemu_fill_buffer(f
);
6475 l
= f
->buf_size
- f
->buf_index
;
6481 memcpy(buf
, f
->buf
+ f
->buf_index
, l
);
6486 return size1
- size
;
6489 int qemu_get_byte(QEMUFile
*f
)
6494 if (f
->buf_index
>= f
->buf_size
) {
6495 qemu_fill_buffer(f
);
6496 if (f
->buf_index
>= f
->buf_size
)
6499 return f
->buf
[f
->buf_index
++];
6502 int64_t qemu_ftell(QEMUFile
*f
)
6504 return f
->buf_offset
- f
->buf_size
+ f
->buf_index
;
6507 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
6509 if (whence
== SEEK_SET
) {
6511 } else if (whence
== SEEK_CUR
) {
6512 pos
+= qemu_ftell(f
);
6514 /* SEEK_END not supported */
6517 if (f
->put_buffer
) {
6519 f
->buf_offset
= pos
;
6521 f
->buf_offset
= pos
;
6528 int qemu_file_rate_limit(QEMUFile
*f
)
6531 return f
->rate_limit(f
->opaque
);
6536 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
6538 qemu_put_byte(f
, v
>> 8);
6539 qemu_put_byte(f
, v
);
6542 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
6544 qemu_put_byte(f
, v
>> 24);
6545 qemu_put_byte(f
, v
>> 16);
6546 qemu_put_byte(f
, v
>> 8);
6547 qemu_put_byte(f
, v
);
6550 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
6552 qemu_put_be32(f
, v
>> 32);
6553 qemu_put_be32(f
, v
);
6556 unsigned int qemu_get_be16(QEMUFile
*f
)
6559 v
= qemu_get_byte(f
) << 8;
6560 v
|= qemu_get_byte(f
);
6564 unsigned int qemu_get_be32(QEMUFile
*f
)
6567 v
= qemu_get_byte(f
) << 24;
6568 v
|= qemu_get_byte(f
) << 16;
6569 v
|= qemu_get_byte(f
) << 8;
6570 v
|= qemu_get_byte(f
);
6574 uint64_t qemu_get_be64(QEMUFile
*f
)
6577 v
= (uint64_t)qemu_get_be32(f
) << 32;
6578 v
|= qemu_get_be32(f
);
6582 typedef struct SaveStateEntry
{
6587 SaveLiveStateHandler
*save_live_state
;
6588 SaveStateHandler
*save_state
;
6589 LoadStateHandler
*load_state
;
6591 struct SaveStateEntry
*next
;
6594 static SaveStateEntry
*first_se
;
6596 /* TODO: Individual devices generally have very little idea about the rest
6597 of the system, so instance_id should be removed/replaced.
6598 Meanwhile pass -1 as instance_id if you do not already have a clearly
6599 distinguishing id for all instances of your device class. */
6600 int register_savevm_live(const char *idstr
,
6603 SaveLiveStateHandler
*save_live_state
,
6604 SaveStateHandler
*save_state
,
6605 LoadStateHandler
*load_state
,
6608 SaveStateEntry
*se
, **pse
;
6609 static int global_section_id
;
6611 se
= qemu_malloc(sizeof(SaveStateEntry
));
6614 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
6615 se
->instance_id
= (instance_id
== -1) ? 0 : instance_id
;
6616 se
->version_id
= version_id
;
6617 se
->section_id
= global_section_id
++;
6618 se
->save_live_state
= save_live_state
;
6619 se
->save_state
= save_state
;
6620 se
->load_state
= load_state
;
6621 se
->opaque
= opaque
;
6624 /* add at the end of list */
6626 while (*pse
!= NULL
) {
6627 if (instance_id
== -1
6628 && strcmp(se
->idstr
, (*pse
)->idstr
) == 0
6629 && se
->instance_id
<= (*pse
)->instance_id
)
6630 se
->instance_id
= (*pse
)->instance_id
+ 1;
6631 pse
= &(*pse
)->next
;
6637 int register_savevm(const char *idstr
,
6640 SaveStateHandler
*save_state
,
6641 LoadStateHandler
*load_state
,
6644 return register_savevm_live(idstr
, instance_id
, version_id
,
6645 NULL
, save_state
, load_state
, opaque
);
6648 #define QEMU_VM_FILE_MAGIC 0x5145564d
6649 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
6650 #define QEMU_VM_FILE_VERSION 0x00000003
6652 #define QEMU_VM_EOF 0x00
6653 #define QEMU_VM_SECTION_START 0x01
6654 #define QEMU_VM_SECTION_PART 0x02
6655 #define QEMU_VM_SECTION_END 0x03
6656 #define QEMU_VM_SECTION_FULL 0x04
6658 int qemu_savevm_state_begin(QEMUFile
*f
)
6662 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
6663 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
6665 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
6668 if (se
->save_live_state
== NULL
)
6672 qemu_put_byte(f
, QEMU_VM_SECTION_START
);
6673 qemu_put_be32(f
, se
->section_id
);
6676 len
= strlen(se
->idstr
);
6677 qemu_put_byte(f
, len
);
6678 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
6680 qemu_put_be32(f
, se
->instance_id
);
6681 qemu_put_be32(f
, se
->version_id
);
6683 se
->save_live_state(f
, QEMU_VM_SECTION_START
, se
->opaque
);
6686 if (qemu_file_has_error(f
))
6692 int qemu_savevm_state_iterate(QEMUFile
*f
)
6697 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
6698 if (se
->save_live_state
== NULL
)
6702 qemu_put_byte(f
, QEMU_VM_SECTION_PART
);
6703 qemu_put_be32(f
, se
->section_id
);
6705 ret
&= !!se
->save_live_state(f
, QEMU_VM_SECTION_PART
, se
->opaque
);
6711 if (qemu_file_has_error(f
))
6717 int qemu_savevm_state_complete(QEMUFile
*f
)
6721 for (se
= first_se
; se
!= NULL
; se
= se
->next
) {
6722 if (se
->save_live_state
== NULL
)
6726 qemu_put_byte(f
, QEMU_VM_SECTION_END
);
6727 qemu_put_be32(f
, se
->section_id
);
6729 se
->save_live_state(f
, QEMU_VM_SECTION_END
, se
->opaque
);
6732 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6735 if (se
->save_state
== NULL
)
6739 qemu_put_byte(f
, QEMU_VM_SECTION_FULL
);
6740 qemu_put_be32(f
, se
->section_id
);
6743 len
= strlen(se
->idstr
);
6744 qemu_put_byte(f
, len
);
6745 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
6747 qemu_put_be32(f
, se
->instance_id
);
6748 qemu_put_be32(f
, se
->version_id
);
6750 se
->save_state(f
, se
->opaque
);
6753 qemu_put_byte(f
, QEMU_VM_EOF
);
6755 if (qemu_file_has_error(f
))
6761 int qemu_savevm_state(QEMUFile
*f
)
6763 int saved_vm_running
;
6766 saved_vm_running
= vm_running
;
6771 ret
= qemu_savevm_state_begin(f
);
6776 ret
= qemu_savevm_state_iterate(f
);
6781 ret
= qemu_savevm_state_complete(f
);
6784 if (qemu_file_has_error(f
))
6787 if (!ret
&& saved_vm_running
)
6793 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
6797 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6798 if (!strcmp(se
->idstr
, idstr
) &&
6799 instance_id
== se
->instance_id
)
6805 typedef struct LoadStateEntry
{
6809 struct LoadStateEntry
*next
;
6812 static int qemu_loadvm_state_v2(QEMUFile
*f
)
6815 int len
, ret
, instance_id
, record_len
, version_id
;
6816 int64_t total_len
, end_pos
, cur_pos
;
6819 total_len
= qemu_get_be64(f
);
6820 end_pos
= total_len
+ qemu_ftell(f
);
6822 if (qemu_ftell(f
) >= end_pos
)
6824 len
= qemu_get_byte(f
);
6825 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
6827 instance_id
= qemu_get_be32(f
);
6828 version_id
= qemu_get_be32(f
);
6829 record_len
= qemu_get_be32(f
);
6830 cur_pos
= qemu_ftell(f
);
6831 se
= find_se(idstr
, instance_id
);
6833 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6834 instance_id
, idstr
);
6836 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6838 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6839 instance_id
, idstr
);
6842 /* always seek to exact end of record */
6843 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
6846 if (qemu_file_has_error(f
))
6852 int qemu_loadvm_state(QEMUFile
*f
)
6854 LoadStateEntry
*first_le
= NULL
;
6855 uint8_t section_type
;
6859 v
= qemu_get_be32(f
);
6860 if (v
!= QEMU_VM_FILE_MAGIC
)
6863 v
= qemu_get_be32(f
);
6864 if (v
== QEMU_VM_FILE_VERSION_COMPAT
)
6865 return qemu_loadvm_state_v2(f
);
6866 if (v
!= QEMU_VM_FILE_VERSION
)
6869 while ((section_type
= qemu_get_byte(f
)) != QEMU_VM_EOF
) {
6870 uint32_t instance_id
, version_id
, section_id
;
6876 switch (section_type
) {
6877 case QEMU_VM_SECTION_START
:
6878 case QEMU_VM_SECTION_FULL
:
6879 /* Read section start */
6880 section_id
= qemu_get_be32(f
);
6881 len
= qemu_get_byte(f
);
6882 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
6884 instance_id
= qemu_get_be32(f
);
6885 version_id
= qemu_get_be32(f
);
6887 /* Find savevm section */
6888 se
= find_se(idstr
, instance_id
);
6890 fprintf(stderr
, "Unknown savevm section or instance '%s' %d\n", idstr
, instance_id
);
6895 /* Validate version */
6896 if (version_id
> se
->version_id
) {
6897 fprintf(stderr
, "savevm: unsupported version %d for '%s' v%d\n",
6898 version_id
, idstr
, se
->version_id
);
6904 le
= qemu_mallocz(sizeof(*le
));
6911 le
->section_id
= section_id
;
6912 le
->version_id
= version_id
;
6913 le
->next
= first_le
;
6916 le
->se
->load_state(f
, le
->se
->opaque
, le
->version_id
);
6918 case QEMU_VM_SECTION_PART
:
6919 case QEMU_VM_SECTION_END
:
6920 section_id
= qemu_get_be32(f
);
6922 for (le
= first_le
; le
&& le
->section_id
!= section_id
; le
= le
->next
);
6924 fprintf(stderr
, "Unknown savevm section %d\n", section_id
);
6929 le
->se
->load_state(f
, le
->se
->opaque
, le
->version_id
);
6932 fprintf(stderr
, "Unknown savevm section type %d\n", section_type
);
6942 LoadStateEntry
*le
= first_le
;
6943 first_le
= first_le
->next
;
6947 if (qemu_file_has_error(f
))
6953 /* device can contain snapshots */
6954 static int bdrv_can_snapshot(BlockDriverState
*bs
)
6957 !bdrv_is_removable(bs
) &&
6958 !bdrv_is_read_only(bs
));
6961 /* device must be snapshots in order to have a reliable snapshot */
6962 static int bdrv_has_snapshot(BlockDriverState
*bs
)
6965 !bdrv_is_removable(bs
) &&
6966 !bdrv_is_read_only(bs
));
6969 static BlockDriverState
*get_bs_snapshots(void)
6971 BlockDriverState
*bs
;
6975 return bs_snapshots
;
6976 for(i
= 0; i
<= nb_drives
; i
++) {
6977 bs
= drives_table
[i
].bdrv
;
6978 if (bdrv_can_snapshot(bs
))
6987 static int bdrv_snapshot_find(BlockDriverState
*bs
, QEMUSnapshotInfo
*sn_info
,
6990 QEMUSnapshotInfo
*sn_tab
, *sn
;
6994 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6997 for(i
= 0; i
< nb_sns
; i
++) {
6999 if (!strcmp(sn
->id_str
, name
) || !strcmp(sn
->name
, name
)) {
7009 void do_savevm(const char *name
)
7011 BlockDriverState
*bs
, *bs1
;
7012 QEMUSnapshotInfo sn1
, *sn
= &sn1
, old_sn1
, *old_sn
= &old_sn1
;
7013 int must_delete
, ret
, i
;
7014 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
7016 int saved_vm_running
;
7023 bs
= get_bs_snapshots();
7025 term_printf("No block device can accept snapshots\n");
7029 /* ??? Should this occur after vm_stop? */
7032 saved_vm_running
= vm_running
;
7037 ret
= bdrv_snapshot_find(bs
, old_sn
, name
);
7042 memset(sn
, 0, sizeof(*sn
));
7044 pstrcpy(sn
->name
, sizeof(sn
->name
), old_sn
->name
);
7045 pstrcpy(sn
->id_str
, sizeof(sn
->id_str
), old_sn
->id_str
);
7048 pstrcpy(sn
->name
, sizeof(sn
->name
), name
);
7051 /* fill auxiliary fields */
7054 sn
->date_sec
= tb
.time
;
7055 sn
->date_nsec
= tb
.millitm
* 1000000;
7057 gettimeofday(&tv
, NULL
);
7058 sn
->date_sec
= tv
.tv_sec
;
7059 sn
->date_nsec
= tv
.tv_usec
* 1000;
7061 sn
->vm_clock_nsec
= qemu_get_clock(vm_clock
);
7063 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
7064 term_printf("Device %s does not support VM state snapshots\n",
7065 bdrv_get_device_name(bs
));
7069 /* save the VM state */
7070 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 1);
7072 term_printf("Could not open VM state file\n");
7075 ret
= qemu_savevm_state(f
);
7076 sn
->vm_state_size
= qemu_ftell(f
);
7079 term_printf("Error %d while writing VM\n", ret
);
7083 /* create the snapshots */
7085 for(i
= 0; i
< nb_drives
; i
++) {
7086 bs1
= drives_table
[i
].bdrv
;
7087 if (bdrv_has_snapshot(bs1
)) {
7089 ret
= bdrv_snapshot_delete(bs1
, old_sn
->id_str
);
7091 term_printf("Error while deleting snapshot on '%s'\n",
7092 bdrv_get_device_name(bs1
));
7095 ret
= bdrv_snapshot_create(bs1
, sn
);
7097 term_printf("Error while creating snapshot on '%s'\n",
7098 bdrv_get_device_name(bs1
));
7104 if (saved_vm_running
)
7108 void do_loadvm(const char *name
)
7110 BlockDriverState
*bs
, *bs1
;
7111 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
7114 int saved_vm_running
;
7116 bs
= get_bs_snapshots();
7118 term_printf("No block device supports snapshots\n");
7122 /* Flush all IO requests so they don't interfere with the new state. */
7125 saved_vm_running
= vm_running
;
7128 for(i
= 0; i
<= nb_drives
; i
++) {
7129 bs1
= drives_table
[i
].bdrv
;
7130 if (bdrv_has_snapshot(bs1
)) {
7131 ret
= bdrv_snapshot_goto(bs1
, name
);
7134 term_printf("Warning: ");
7137 term_printf("Snapshots not supported on device '%s'\n",
7138 bdrv_get_device_name(bs1
));
7141 term_printf("Could not find snapshot '%s' on device '%s'\n",
7142 name
, bdrv_get_device_name(bs1
));
7145 term_printf("Error %d while activating snapshot on '%s'\n",
7146 ret
, bdrv_get_device_name(bs1
));
7149 /* fatal on snapshot block device */
7156 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
7157 term_printf("Device %s does not support VM state snapshots\n",
7158 bdrv_get_device_name(bs
));
7162 /* restore the VM state */
7163 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 0);
7165 term_printf("Could not open VM state file\n");
7168 ret
= qemu_loadvm_state(f
);
7171 term_printf("Error %d while loading VM state\n", ret
);
7174 if (saved_vm_running
)
7178 void do_delvm(const char *name
)
7180 BlockDriverState
*bs
, *bs1
;
7183 bs
= get_bs_snapshots();
7185 term_printf("No block device supports snapshots\n");
7189 for(i
= 0; i
<= nb_drives
; i
++) {
7190 bs1
= drives_table
[i
].bdrv
;
7191 if (bdrv_has_snapshot(bs1
)) {
7192 ret
= bdrv_snapshot_delete(bs1
, name
);
7194 if (ret
== -ENOTSUP
)
7195 term_printf("Snapshots not supported on device '%s'\n",
7196 bdrv_get_device_name(bs1
));
7198 term_printf("Error %d while deleting snapshot on '%s'\n",
7199 ret
, bdrv_get_device_name(bs1
));
7205 void do_info_snapshots(void)
7207 BlockDriverState
*bs
, *bs1
;
7208 QEMUSnapshotInfo
*sn_tab
, *sn
;
7212 bs
= get_bs_snapshots();
7214 term_printf("No available block device supports snapshots\n");
7217 term_printf("Snapshot devices:");
7218 for(i
= 0; i
<= nb_drives
; i
++) {
7219 bs1
= drives_table
[i
].bdrv
;
7220 if (bdrv_has_snapshot(bs1
)) {
7222 term_printf(" %s", bdrv_get_device_name(bs1
));
7227 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
7229 term_printf("bdrv_snapshot_list: error %d\n", nb_sns
);
7232 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs
));
7233 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), NULL
));
7234 for(i
= 0; i
< nb_sns
; i
++) {
7236 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), sn
));
7241 /***********************************************************/
7242 /* ram save/restore */
7244 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
7248 v
= qemu_get_byte(f
);
7251 if (qemu_get_buffer(f
, buf
, len
) != len
)
7255 v
= qemu_get_byte(f
);
7256 memset(buf
, v
, len
);
7262 if (qemu_file_has_error(f
))
7268 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
7273 if (qemu_get_be32(f
) != phys_ram_size
)
7275 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
7276 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
7283 #define BDRV_HASH_BLOCK_SIZE 1024
7284 #define IOBUF_SIZE 4096
7285 #define RAM_CBLOCK_MAGIC 0xfabe
7287 typedef struct RamDecompressState
{
7290 uint8_t buf
[IOBUF_SIZE
];
7291 } RamDecompressState
;
7293 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
7296 memset(s
, 0, sizeof(*s
));
7298 ret
= inflateInit(&s
->zstream
);
7304 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
7308 s
->zstream
.avail_out
= len
;
7309 s
->zstream
.next_out
= buf
;
7310 while (s
->zstream
.avail_out
> 0) {
7311 if (s
->zstream
.avail_in
== 0) {
7312 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
7314 clen
= qemu_get_be16(s
->f
);
7315 if (clen
> IOBUF_SIZE
)
7317 qemu_get_buffer(s
->f
, s
->buf
, clen
);
7318 s
->zstream
.avail_in
= clen
;
7319 s
->zstream
.next_in
= s
->buf
;
7321 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
7322 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
7329 static void ram_decompress_close(RamDecompressState
*s
)
7331 inflateEnd(&s
->zstream
);
7334 #define RAM_SAVE_FLAG_FULL 0x01
7335 #define RAM_SAVE_FLAG_COMPRESS 0x02
7336 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
7337 #define RAM_SAVE_FLAG_PAGE 0x08
7338 #define RAM_SAVE_FLAG_EOS 0x10
7340 static int is_dup_page(uint8_t *page
, uint8_t ch
)
7342 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
7343 uint32_t *array
= (uint32_t *)page
;
7346 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
7347 if (array
[i
] != val
)
7354 static int ram_save_block(QEMUFile
*f
)
7356 static ram_addr_t current_addr
= 0;
7357 ram_addr_t saved_addr
= current_addr
;
7358 ram_addr_t addr
= 0;
7361 while (addr
< phys_ram_size
) {
7362 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
7365 cpu_physical_memory_reset_dirty(current_addr
,
7366 current_addr
+ TARGET_PAGE_SIZE
,
7367 MIGRATION_DIRTY_FLAG
);
7369 ch
= *(phys_ram_base
+ current_addr
);
7371 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
7372 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
7373 qemu_put_byte(f
, ch
);
7375 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
7376 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
7382 addr
+= TARGET_PAGE_SIZE
;
7383 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
7389 static ram_addr_t ram_save_threshold
= 10;
7391 static ram_addr_t
ram_save_remaining(void)
7394 ram_addr_t count
= 0;
7396 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
7397 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
7404 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
7409 /* Make sure all dirty bits are set */
7410 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
7411 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
7412 cpu_physical_memory_set_dirty(addr
);
7415 /* Enable dirty memory tracking */
7416 cpu_physical_memory_set_dirty_tracking(1);
7418 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
7421 while (!qemu_file_rate_limit(f
)) {
7424 ret
= ram_save_block(f
);
7425 if (ret
== 0) /* no more blocks */
7429 /* try transferring iterative blocks of memory */
7432 cpu_physical_memory_set_dirty_tracking(0);
7434 /* flush all remaining blocks regardless of rate limiting */
7435 while (ram_save_block(f
) != 0);
7438 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
7440 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
7443 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
7445 RamDecompressState s1
, *s
= &s1
;
7449 if (ram_decompress_open(s
, f
) < 0)
7451 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
7452 if (ram_decompress_buf(s
, buf
, 1) < 0) {
7453 fprintf(stderr
, "Error while reading ram block header\n");
7457 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
7458 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
7463 printf("Error block header\n");
7467 ram_decompress_close(s
);
7472 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
7477 if (version_id
== 1)
7478 return ram_load_v1(f
, opaque
);
7480 if (version_id
== 2) {
7481 if (qemu_get_be32(f
) != phys_ram_size
)
7483 return ram_load_dead(f
, opaque
);
7486 if (version_id
!= 3)
7490 addr
= qemu_get_be64(f
);
7492 flags
= addr
& ~TARGET_PAGE_MASK
;
7493 addr
&= TARGET_PAGE_MASK
;
7495 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
7496 if (addr
!= phys_ram_size
)
7500 if (flags
& RAM_SAVE_FLAG_FULL
) {
7501 if (ram_load_dead(f
, opaque
) < 0)
7505 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
7506 uint8_t ch
= qemu_get_byte(f
);
7507 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
7508 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
7509 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
7510 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
7515 void qemu_service_io(void)
7517 CPUState
*env
= cpu_single_env
;
7519 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
7521 if (env
->kqemu_enabled
) {
7522 kqemu_cpu_interrupt(env
);
7528 /***********************************************************/
7529 /* bottom halves (can be seen as timers which expire ASAP) */
7538 static QEMUBH
*first_bh
= NULL
;
7540 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
7543 bh
= qemu_mallocz(sizeof(QEMUBH
));
7547 bh
->opaque
= opaque
;
7551 int qemu_bh_poll(void)
7570 void qemu_bh_schedule(QEMUBH
*bh
)
7572 CPUState
*env
= cpu_single_env
;
7576 bh
->next
= first_bh
;
7579 /* stop the currently executing CPU to execute the BH ASAP */
7581 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
7585 void qemu_bh_cancel(QEMUBH
*bh
)
7588 if (bh
->scheduled
) {
7591 pbh
= &(*pbh
)->next
;
7597 void qemu_bh_delete(QEMUBH
*bh
)
7603 /***********************************************************/
7604 /* machine registration */
7606 static QEMUMachine
*first_machine
= NULL
;
7608 int qemu_register_machine(QEMUMachine
*m
)
7611 pm
= &first_machine
;
7619 static QEMUMachine
*find_machine(const char *name
)
7623 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
7624 if (!strcmp(m
->name
, name
))
7630 /***********************************************************/
7631 /* main execution loop */
7633 static void gui_update(void *opaque
)
7635 DisplayState
*ds
= opaque
;
7636 ds
->dpy_refresh(ds
);
7637 qemu_mod_timer(ds
->gui_timer
,
7638 (ds
->gui_timer_interval
?
7639 ds
->gui_timer_interval
:
7640 GUI_REFRESH_INTERVAL
)
7641 + qemu_get_clock(rt_clock
));
7644 struct vm_change_state_entry
{
7645 VMChangeStateHandler
*cb
;
7647 LIST_ENTRY (vm_change_state_entry
) entries
;
7650 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
7652 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
7655 VMChangeStateEntry
*e
;
7657 e
= qemu_mallocz(sizeof (*e
));
7663 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
7667 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
7669 LIST_REMOVE (e
, entries
);
7673 static void vm_state_notify(int running
)
7675 VMChangeStateEntry
*e
;
7677 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
7678 e
->cb(e
->opaque
, running
);
7682 /* XXX: support several handlers */
7683 static VMStopHandler
*vm_stop_cb
;
7684 static void *vm_stop_opaque
;
7686 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7689 vm_stop_opaque
= opaque
;
7693 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7704 qemu_rearm_alarm_timer(alarm_timer
);
7708 void vm_stop(int reason
)
7711 cpu_disable_ticks();
7715 vm_stop_cb(vm_stop_opaque
, reason
);
7722 /* reset/shutdown handler */
7724 typedef struct QEMUResetEntry
{
7725 QEMUResetHandler
*func
;
7727 struct QEMUResetEntry
*next
;
7730 static QEMUResetEntry
*first_reset_entry
;
7731 static int reset_requested
;
7732 static int shutdown_requested
;
7733 static int powerdown_requested
;
7735 int qemu_shutdown_requested(void)
7737 int r
= shutdown_requested
;
7738 shutdown_requested
= 0;
7742 int qemu_reset_requested(void)
7744 int r
= reset_requested
;
7745 reset_requested
= 0;
7749 int qemu_powerdown_requested(void)
7751 int r
= powerdown_requested
;
7752 powerdown_requested
= 0;
7756 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
7758 QEMUResetEntry
**pre
, *re
;
7760 pre
= &first_reset_entry
;
7761 while (*pre
!= NULL
)
7762 pre
= &(*pre
)->next
;
7763 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
7765 re
->opaque
= opaque
;
7770 void qemu_system_reset(void)
7774 /* reset all devices */
7775 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
7776 re
->func(re
->opaque
);
7780 void qemu_system_reset_request(void)
7783 shutdown_requested
= 1;
7785 reset_requested
= 1;
7788 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7791 void qemu_system_shutdown_request(void)
7793 shutdown_requested
= 1;
7795 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7798 void qemu_system_powerdown_request(void)
7800 powerdown_requested
= 1;
7802 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7805 void main_loop_wait(int timeout
)
7807 IOHandlerRecord
*ioh
;
7808 fd_set rfds
, wfds
, xfds
;
7817 /* XXX: need to suppress polling by better using win32 events */
7819 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
7820 ret
|= pe
->func(pe
->opaque
);
7825 WaitObjects
*w
= &wait_objects
;
7827 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, timeout
);
7828 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
7829 if (w
->func
[ret
- WAIT_OBJECT_0
])
7830 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
7832 /* Check for additional signaled events */
7833 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
7835 /* Check if event is signaled */
7836 ret2
= WaitForSingleObject(w
->events
[i
], 0);
7837 if(ret2
== WAIT_OBJECT_0
) {
7839 w
->func
[i
](w
->opaque
[i
]);
7840 } else if (ret2
== WAIT_TIMEOUT
) {
7842 err
= GetLastError();
7843 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
7846 } else if (ret
== WAIT_TIMEOUT
) {
7848 err
= GetLastError();
7849 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
7853 /* poll any events */
7854 /* XXX: separate device handlers from system ones */
7859 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7863 (!ioh
->fd_read_poll
||
7864 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
7865 FD_SET(ioh
->fd
, &rfds
);
7869 if (ioh
->fd_write
) {
7870 FD_SET(ioh
->fd
, &wfds
);
7880 tv
.tv_usec
= timeout
* 1000;
7882 #if defined(CONFIG_SLIRP)
7884 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
7887 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
7889 IOHandlerRecord
**pioh
;
7891 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7892 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
7893 ioh
->fd_read(ioh
->opaque
);
7895 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
7896 ioh
->fd_write(ioh
->opaque
);
7900 /* remove deleted IO handlers */
7901 pioh
= &first_io_handler
;
7911 #if defined(CONFIG_SLIRP)
7918 slirp_select_poll(&rfds
, &wfds
, &xfds
);
7923 if (likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
7924 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
7925 qemu_get_clock(vm_clock
));
7926 /* run dma transfers, if any */
7930 /* real time timers */
7931 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
7932 qemu_get_clock(rt_clock
));
7934 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
7935 alarm_timer
->flags
&= ~(ALARM_FLAG_EXPIRED
);
7936 qemu_rearm_alarm_timer(alarm_timer
);
7939 /* Check bottom-halves last in case any of the earlier events triggered
7945 static int main_loop(void)
7948 #ifdef CONFIG_PROFILER
7953 cur_cpu
= first_cpu
;
7954 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
7961 #ifdef CONFIG_PROFILER
7962 ti
= profile_getclock();
7967 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
7968 env
->icount_decr
.u16
.low
= 0;
7969 env
->icount_extra
= 0;
7970 count
= qemu_next_deadline();
7971 count
= (count
+ (1 << icount_time_shift
) - 1)
7972 >> icount_time_shift
;
7973 qemu_icount
+= count
;
7974 decr
= (count
> 0xffff) ? 0xffff : count
;
7976 env
->icount_decr
.u16
.low
= decr
;
7977 env
->icount_extra
= count
;
7979 ret
= cpu_exec(env
);
7980 #ifdef CONFIG_PROFILER
7981 qemu_time
+= profile_getclock() - ti
;
7984 /* Fold pending instructions back into the
7985 instruction counter, and clear the interrupt flag. */
7986 qemu_icount
-= (env
->icount_decr
.u16
.low
7987 + env
->icount_extra
);
7988 env
->icount_decr
.u32
= 0;
7989 env
->icount_extra
= 0;
7991 next_cpu
= env
->next_cpu
?: first_cpu
;
7992 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
7993 ret
= EXCP_INTERRUPT
;
7997 if (ret
== EXCP_HLT
) {
7998 /* Give the next CPU a chance to run. */
8002 if (ret
!= EXCP_HALTED
)
8004 /* all CPUs are halted ? */
8010 if (shutdown_requested
) {
8011 ret
= EXCP_INTERRUPT
;
8019 if (reset_requested
) {
8020 reset_requested
= 0;
8021 qemu_system_reset();
8022 ret
= EXCP_INTERRUPT
;
8024 if (powerdown_requested
) {
8025 powerdown_requested
= 0;
8026 qemu_system_powerdown();
8027 ret
= EXCP_INTERRUPT
;
8029 if (unlikely(ret
== EXCP_DEBUG
)) {
8030 vm_stop(EXCP_DEBUG
);
8032 /* If all cpus are halted then wait until the next IRQ */
8033 /* XXX: use timeout computed from timers */
8034 if (ret
== EXCP_HALTED
) {
8038 /* Advance virtual time to the next event. */
8039 if (use_icount
== 1) {
8040 /* When not using an adaptive execution frequency
8041 we tend to get badly out of sync with real time,
8042 so just delay for a reasonable amount of time. */
8045 delta
= cpu_get_icount() - cpu_get_clock();
8048 /* If virtual time is ahead of real time then just
8050 timeout
= (delta
/ 1000000) + 1;
8052 /* Wait for either IO to occur or the next
8054 add
= qemu_next_deadline();
8055 /* We advance the timer before checking for IO.
8056 Limit the amount we advance so that early IO
8057 activity won't get the guest too far ahead. */
8061 add
= (add
+ (1 << icount_time_shift
) - 1)
8062 >> icount_time_shift
;
8064 timeout
= delta
/ 1000000;
8075 if (shutdown_requested
) {
8076 ret
= EXCP_INTERRUPT
;
8081 #ifdef CONFIG_PROFILER
8082 ti
= profile_getclock();
8084 main_loop_wait(timeout
);
8085 #ifdef CONFIG_PROFILER
8086 dev_time
+= profile_getclock() - ti
;
8089 cpu_disable_ticks();
8093 static void help(int exitcode
)
8095 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n"
8096 "usage: %s [options] [disk_image]\n"
8098 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
8100 "Standard options:\n"
8101 "-M machine select emulated machine (-M ? for list)\n"
8102 "-cpu cpu select CPU (-cpu ? for list)\n"
8103 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
8104 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
8105 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
8106 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
8107 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
8108 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
8109 " [,cache=on|off][,format=f]\n"
8110 " use 'file' as a drive image\n"
8111 "-mtdblock file use 'file' as on-board Flash memory image\n"
8112 "-sd file use 'file' as SecureDigital card image\n"
8113 "-pflash file use 'file' as a parallel flash image\n"
8114 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
8115 "-snapshot write to temporary files instead of disk image files\n"
8117 "-no-frame open SDL window without a frame and window decorations\n"
8118 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
8119 "-no-quit disable SDL window close capability\n"
8122 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
8124 "-m megs set virtual RAM size to megs MB [default=%d]\n"
8125 "-smp n set the number of CPUs to 'n' [default=1]\n"
8126 "-nographic disable graphical output and redirect serial I/Os to console\n"
8127 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
8129 "-k language use keyboard layout (for example \"fr\" for French)\n"
8132 "-audio-help print list of audio drivers and their options\n"
8133 "-soundhw c1,... enable audio support\n"
8134 " and only specified sound cards (comma separated list)\n"
8135 " use -soundhw ? to get the list of supported cards\n"
8136 " use -soundhw all to enable all of them\n"
8138 "-vga [std|cirrus|vmware]\n"
8139 " select video card type\n"
8140 "-localtime set the real time clock to local time [default=utc]\n"
8141 "-full-screen start in full screen\n"
8143 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
8145 "-usb enable the USB driver (will be the default soon)\n"
8146 "-usbdevice name add the host or guest USB device 'name'\n"
8147 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8148 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
8150 "-name string set the name of the guest\n"
8151 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
8153 "Network options:\n"
8154 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
8155 " create a new Network Interface Card and connect it to VLAN 'n'\n"
8157 "-net user[,vlan=n][,hostname=host]\n"
8158 " connect the user mode network stack to VLAN 'n' and send\n"
8159 " hostname 'host' to DHCP clients\n"
8162 "-net tap[,vlan=n],ifname=name\n"
8163 " connect the host TAP network interface to VLAN 'n'\n"
8165 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
8166 " connect the host TAP network interface to VLAN 'n' and use the\n"
8167 " network scripts 'file' (default=%s)\n"
8168 " and 'dfile' (default=%s);\n"
8169 " use '[down]script=no' to disable script execution;\n"
8170 " use 'fd=h' to connect to an already opened TAP interface\n"
8172 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
8173 " connect the vlan 'n' to another VLAN using a socket connection\n"
8174 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
8175 " connect the vlan 'n' to multicast maddr and port\n"
8177 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
8178 " connect the vlan 'n' to port 'n' of a vde switch running\n"
8179 " on host and listening for incoming connections on 'socketpath'.\n"
8180 " Use group 'groupname' and mode 'octalmode' to change default\n"
8181 " ownership and permissions for communication port.\n"
8183 "-net none use it alone to have zero network devices; if no -net option\n"
8184 " is provided, the default is '-net nic -net user'\n"
8187 "-tftp dir allow tftp access to files in dir [-net user]\n"
8188 "-bootp file advertise file in BOOTP replies\n"
8190 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
8192 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
8193 " redirect TCP or UDP connections from host to guest [-net user]\n"
8196 "Linux boot specific:\n"
8197 "-kernel bzImage use 'bzImage' as kernel image\n"
8198 "-append cmdline use 'cmdline' as kernel command line\n"
8199 "-initrd file use 'file' as initial ram disk\n"
8201 "Debug/Expert options:\n"
8202 "-monitor dev redirect the monitor to char device 'dev'\n"
8203 "-serial dev redirect the serial port to char device 'dev'\n"
8204 "-parallel dev redirect the parallel port to char device 'dev'\n"
8205 "-pidfile file Write PID to 'file'\n"
8206 "-S freeze CPU at startup (use 'c' to start execution)\n"
8207 "-s wait gdb connection to port\n"
8208 "-p port set gdb connection port [default=%s]\n"
8209 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
8210 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
8211 " translation (t=none or lba) (usually qemu can guess them)\n"
8212 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
8214 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
8215 "-no-kqemu disable KQEMU kernel module usage\n"
8218 "-no-acpi disable ACPI\n"
8220 #ifdef CONFIG_CURSES
8221 "-curses use a curses/ncurses interface instead of SDL\n"
8223 "-no-reboot exit instead of rebooting\n"
8224 "-no-shutdown stop before shutdown\n"
8225 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
8226 "-vnc display start a VNC server on display\n"
8228 "-daemonize daemonize QEMU after initializing\n"
8230 "-option-rom rom load a file, rom, into the option ROM space\n"
8232 "-prom-env variable=value set OpenBIOS nvram variables\n"
8234 "-clock force the use of the given methods for timer alarm.\n"
8235 " To see what timers are available use -clock ?\n"
8236 "-startdate select initial date of the clock\n"
8237 "-icount [N|auto]\n"
8238 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
8240 "During emulation, the following keys are useful:\n"
8241 "ctrl-alt-f toggle full screen\n"
8242 "ctrl-alt-n switch to virtual console 'n'\n"
8243 "ctrl-alt toggle mouse and keyboard grab\n"
8245 "When using -nographic, press 'ctrl-a h' to get some help.\n"
8250 DEFAULT_NETWORK_SCRIPT
,
8251 DEFAULT_NETWORK_DOWN_SCRIPT
,
8253 DEFAULT_GDBSTUB_PORT
,
8258 #define HAS_ARG 0x0001
8273 QEMU_OPTION_mtdblock
,
8277 QEMU_OPTION_snapshot
,
8279 QEMU_OPTION_no_fd_bootchk
,
8282 QEMU_OPTION_nographic
,
8283 QEMU_OPTION_portrait
,
8285 QEMU_OPTION_audio_help
,
8286 QEMU_OPTION_soundhw
,
8307 QEMU_OPTION_localtime
,
8311 QEMU_OPTION_monitor
,
8313 QEMU_OPTION_parallel
,
8315 QEMU_OPTION_full_screen
,
8316 QEMU_OPTION_no_frame
,
8317 QEMU_OPTION_alt_grab
,
8318 QEMU_OPTION_no_quit
,
8319 QEMU_OPTION_pidfile
,
8320 QEMU_OPTION_no_kqemu
,
8321 QEMU_OPTION_kernel_kqemu
,
8322 QEMU_OPTION_win2k_hack
,
8324 QEMU_OPTION_usbdevice
,
8327 QEMU_OPTION_no_acpi
,
8329 QEMU_OPTION_no_reboot
,
8330 QEMU_OPTION_no_shutdown
,
8331 QEMU_OPTION_show_cursor
,
8332 QEMU_OPTION_daemonize
,
8333 QEMU_OPTION_option_rom
,
8334 QEMU_OPTION_semihosting
,
8336 QEMU_OPTION_prom_env
,
8337 QEMU_OPTION_old_param
,
8339 QEMU_OPTION_startdate
,
8340 QEMU_OPTION_tb_size
,
8343 QEMU_OPTION_incoming
,
8346 typedef struct QEMUOption
{
8352 static const QEMUOption qemu_options
[] = {
8353 { "h", 0, QEMU_OPTION_h
},
8354 { "help", 0, QEMU_OPTION_h
},
8356 { "M", HAS_ARG
, QEMU_OPTION_M
},
8357 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
8358 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
8359 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
8360 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
8361 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
8362 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
8363 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
8364 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
8365 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
8366 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
8367 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
8368 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
8369 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
8370 { "snapshot", 0, QEMU_OPTION_snapshot
},
8372 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
8374 { "m", HAS_ARG
, QEMU_OPTION_m
},
8375 { "nographic", 0, QEMU_OPTION_nographic
},
8376 { "portrait", 0, QEMU_OPTION_portrait
},
8377 { "k", HAS_ARG
, QEMU_OPTION_k
},
8379 { "audio-help", 0, QEMU_OPTION_audio_help
},
8380 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
8383 { "net", HAS_ARG
, QEMU_OPTION_net
},
8385 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
8386 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
8388 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
8390 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
8393 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
8394 { "append", HAS_ARG
, QEMU_OPTION_append
},
8395 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
8397 { "S", 0, QEMU_OPTION_S
},
8398 { "s", 0, QEMU_OPTION_s
},
8399 { "p", HAS_ARG
, QEMU_OPTION_p
},
8400 { "d", HAS_ARG
, QEMU_OPTION_d
},
8401 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
8402 { "L", HAS_ARG
, QEMU_OPTION_L
},
8403 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
8405 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
8406 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
8408 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8409 { "g", 1, QEMU_OPTION_g
},
8411 { "localtime", 0, QEMU_OPTION_localtime
},
8412 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
8413 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
8414 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
8415 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
8416 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
8417 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
8418 { "full-screen", 0, QEMU_OPTION_full_screen
},
8420 { "no-frame", 0, QEMU_OPTION_no_frame
},
8421 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
8422 { "no-quit", 0, QEMU_OPTION_no_quit
},
8424 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
8425 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
8426 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
8427 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
8428 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
8429 #ifdef CONFIG_CURSES
8430 { "curses", 0, QEMU_OPTION_curses
},
8432 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
8434 /* temporary options */
8435 { "usb", 0, QEMU_OPTION_usb
},
8436 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
8437 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
8438 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
8439 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
8440 { "daemonize", 0, QEMU_OPTION_daemonize
},
8441 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
8442 #if defined(TARGET_ARM) || defined(TARGET_M68K)
8443 { "semihosting", 0, QEMU_OPTION_semihosting
},
8445 { "name", HAS_ARG
, QEMU_OPTION_name
},
8446 #if defined(TARGET_SPARC)
8447 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
8449 #if defined(TARGET_ARM)
8450 { "old-param", 0, QEMU_OPTION_old_param
},
8452 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
8453 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
8454 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
8455 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
8456 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
8460 /* password input */
8462 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
8467 if (!bdrv_is_encrypted(bs
))
8470 term_printf("%s is encrypted.\n", name
);
8471 for(i
= 0; i
< 3; i
++) {
8472 monitor_readline("Password: ", 1, password
, sizeof(password
));
8473 if (bdrv_set_key(bs
, password
) == 0)
8475 term_printf("invalid password\n");
8480 static BlockDriverState
*get_bdrv(int index
)
8482 if (index
> nb_drives
)
8484 return drives_table
[index
].bdrv
;
8487 static void read_passwords(void)
8489 BlockDriverState
*bs
;
8492 for(i
= 0; i
< 6; i
++) {
8495 qemu_key_check(bs
, bdrv_get_device_name(bs
));
8500 struct soundhw soundhw
[] = {
8501 #ifdef HAS_AUDIO_CHOICE
8502 #if defined(TARGET_I386) || defined(TARGET_MIPS)
8508 { .init_isa
= pcspk_audio_init
}
8513 "Creative Sound Blaster 16",
8516 { .init_isa
= SB16_init
}
8519 #ifdef CONFIG_CS4231A
8525 { .init_isa
= cs4231a_init
}
8533 "Yamaha YMF262 (OPL3)",
8535 "Yamaha YM3812 (OPL2)",
8539 { .init_isa
= Adlib_init
}
8546 "Gravis Ultrasound GF1",
8549 { .init_isa
= GUS_init
}
8556 "Intel 82801AA AC97 Audio",
8559 { .init_pci
= ac97_init
}
8565 "ENSONIQ AudioPCI ES1370",
8568 { .init_pci
= es1370_init
}
8572 { NULL
, NULL
, 0, 0, { NULL
} }
8575 static void select_soundhw (const char *optarg
)
8579 if (*optarg
== '?') {
8582 printf ("Valid sound card names (comma separated):\n");
8583 for (c
= soundhw
; c
->name
; ++c
) {
8584 printf ("%-11s %s\n", c
->name
, c
->descr
);
8586 printf ("\n-soundhw all will enable all of the above\n");
8587 exit (*optarg
!= '?');
8595 if (!strcmp (optarg
, "all")) {
8596 for (c
= soundhw
; c
->name
; ++c
) {
8604 e
= strchr (p
, ',');
8605 l
= !e
? strlen (p
) : (size_t) (e
- p
);
8607 for (c
= soundhw
; c
->name
; ++c
) {
8608 if (!strncmp (c
->name
, p
, l
)) {
8617 "Unknown sound card name (too big to show)\n");
8620 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
8625 p
+= l
+ (e
!= NULL
);
8629 goto show_valid_cards
;
8634 static void select_vgahw (const char *p
)
8638 if (strstart(p
, "std", &opts
)) {
8639 cirrus_vga_enabled
= 0;
8641 } else if (strstart(p
, "cirrus", &opts
)) {
8642 cirrus_vga_enabled
= 1;
8644 } else if (strstart(p
, "vmware", &opts
)) {
8645 cirrus_vga_enabled
= 0;
8649 fprintf(stderr
, "Unknown vga type: %s\n", p
);
8653 const char *nextopt
;
8655 if (strstart(opts
, ",retrace=", &nextopt
)) {
8657 if (strstart(opts
, "dumb", &nextopt
))
8658 vga_retrace_method
= VGA_RETRACE_DUMB
;
8659 else if (strstart(opts
, "precise", &nextopt
))
8660 vga_retrace_method
= VGA_RETRACE_PRECISE
;
8661 else goto invalid_vga
;
8662 } else goto invalid_vga
;
8668 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
8670 exit(STATUS_CONTROL_C_EXIT
);
8675 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
8679 if(strlen(str
) != 36)
8682 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
8683 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
8684 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
8692 #define MAX_NET_CLIENTS 32
8696 static void termsig_handler(int signal
)
8698 qemu_system_shutdown_request();
8701 static void termsig_setup(void)
8703 struct sigaction act
;
8705 memset(&act
, 0, sizeof(act
));
8706 act
.sa_handler
= termsig_handler
;
8707 sigaction(SIGINT
, &act
, NULL
);
8708 sigaction(SIGHUP
, &act
, NULL
);
8709 sigaction(SIGTERM
, &act
, NULL
);
8714 int main(int argc
, char **argv
)
8716 #ifdef CONFIG_GDBSTUB
8718 const char *gdbstub_port
;
8720 uint32_t boot_devices_bitmap
= 0;
8722 int snapshot
, linux_boot
, net_boot
;
8723 const char *initrd_filename
;
8724 const char *kernel_filename
, *kernel_cmdline
;
8725 const char *boot_devices
= "";
8726 DisplayState
*ds
= &display_state
;
8727 int cyls
, heads
, secs
, translation
;
8728 const char *net_clients
[MAX_NET_CLIENTS
];
8732 const char *r
, *optarg
;
8733 CharDriverState
*monitor_hd
;
8734 const char *monitor_device
;
8735 const char *serial_devices
[MAX_SERIAL_PORTS
];
8736 int serial_device_index
;
8737 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
8738 int parallel_device_index
;
8739 const char *loadvm
= NULL
;
8740 QEMUMachine
*machine
;
8741 const char *cpu_model
;
8742 const char *usb_devices
[MAX_USB_CMDLINE
];
8743 int usb_devices_index
;
8746 const char *pid_file
= NULL
;
8749 const char *incoming
= NULL
;
8751 LIST_INIT (&vm_change_state_head
);
8754 struct sigaction act
;
8755 sigfillset(&act
.sa_mask
);
8757 act
.sa_handler
= SIG_IGN
;
8758 sigaction(SIGPIPE
, &act
, NULL
);
8761 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
8762 /* Note: cpu_interrupt() is currently not SMP safe, so we force
8763 QEMU to run on a single CPU */
8768 h
= GetCurrentProcess();
8769 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
8770 for(i
= 0; i
< 32; i
++) {
8771 if (mask
& (1 << i
))
8776 SetProcessAffinityMask(h
, mask
);
8782 register_machines();
8783 machine
= first_machine
;
8785 initrd_filename
= NULL
;
8787 vga_ram_size
= VGA_RAM_SIZE
;
8788 #ifdef CONFIG_GDBSTUB
8790 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
8795 kernel_filename
= NULL
;
8796 kernel_cmdline
= "";
8797 cyls
= heads
= secs
= 0;
8798 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8799 monitor_device
= "vc";
8801 serial_devices
[0] = "vc:80Cx24C";
8802 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
8803 serial_devices
[i
] = NULL
;
8804 serial_device_index
= 0;
8806 parallel_devices
[0] = "vc:640x480";
8807 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
8808 parallel_devices
[i
] = NULL
;
8809 parallel_device_index
= 0;
8811 usb_devices_index
= 0;
8829 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
8831 const QEMUOption
*popt
;
8834 /* Treat --foo the same as -foo. */
8837 popt
= qemu_options
;
8840 fprintf(stderr
, "%s: invalid option -- '%s'\n",
8844 if (!strcmp(popt
->name
, r
+ 1))
8848 if (popt
->flags
& HAS_ARG
) {
8849 if (optind
>= argc
) {
8850 fprintf(stderr
, "%s: option '%s' requires an argument\n",
8854 optarg
= argv
[optind
++];
8859 switch(popt
->index
) {
8861 machine
= find_machine(optarg
);
8864 printf("Supported machines are:\n");
8865 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
8866 printf("%-10s %s%s\n",
8868 m
== first_machine
? " (default)" : "");
8870 exit(*optarg
!= '?');
8873 case QEMU_OPTION_cpu
:
8874 /* hw initialization will check this */
8875 if (*optarg
== '?') {
8876 /* XXX: implement xxx_cpu_list for targets that still miss it */
8877 #if defined(cpu_list)
8878 cpu_list(stdout
, &fprintf
);
8885 case QEMU_OPTION_initrd
:
8886 initrd_filename
= optarg
;
8888 case QEMU_OPTION_hda
:
8890 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
8892 hda_index
= drive_add(optarg
, HD_ALIAS
8893 ",cyls=%d,heads=%d,secs=%d%s",
8894 0, cyls
, heads
, secs
,
8895 translation
== BIOS_ATA_TRANSLATION_LBA
?
8897 translation
== BIOS_ATA_TRANSLATION_NONE
?
8898 ",trans=none" : "");
8900 case QEMU_OPTION_hdb
:
8901 case QEMU_OPTION_hdc
:
8902 case QEMU_OPTION_hdd
:
8903 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
8905 case QEMU_OPTION_drive
:
8906 drive_add(NULL
, "%s", optarg
);
8908 case QEMU_OPTION_mtdblock
:
8909 drive_add(optarg
, MTD_ALIAS
);
8911 case QEMU_OPTION_sd
:
8912 drive_add(optarg
, SD_ALIAS
);
8914 case QEMU_OPTION_pflash
:
8915 drive_add(optarg
, PFLASH_ALIAS
);
8917 case QEMU_OPTION_snapshot
:
8920 case QEMU_OPTION_hdachs
:
8924 cyls
= strtol(p
, (char **)&p
, 0);
8925 if (cyls
< 1 || cyls
> 16383)
8930 heads
= strtol(p
, (char **)&p
, 0);
8931 if (heads
< 1 || heads
> 16)
8936 secs
= strtol(p
, (char **)&p
, 0);
8937 if (secs
< 1 || secs
> 63)
8941 if (!strcmp(p
, "none"))
8942 translation
= BIOS_ATA_TRANSLATION_NONE
;
8943 else if (!strcmp(p
, "lba"))
8944 translation
= BIOS_ATA_TRANSLATION_LBA
;
8945 else if (!strcmp(p
, "auto"))
8946 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8949 } else if (*p
!= '\0') {
8951 fprintf(stderr
, "qemu: invalid physical CHS format\n");
8954 if (hda_index
!= -1)
8955 snprintf(drives_opt
[hda_index
].opt
,
8956 sizeof(drives_opt
[hda_index
].opt
),
8957 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
8958 0, cyls
, heads
, secs
,
8959 translation
== BIOS_ATA_TRANSLATION_LBA
?
8961 translation
== BIOS_ATA_TRANSLATION_NONE
?
8962 ",trans=none" : "");
8965 case QEMU_OPTION_nographic
:
8968 #ifdef CONFIG_CURSES
8969 case QEMU_OPTION_curses
:
8973 case QEMU_OPTION_portrait
:
8976 case QEMU_OPTION_kernel
:
8977 kernel_filename
= optarg
;
8979 case QEMU_OPTION_append
:
8980 kernel_cmdline
= optarg
;
8982 case QEMU_OPTION_cdrom
:
8983 drive_add(optarg
, CDROM_ALIAS
);
8985 case QEMU_OPTION_boot
:
8986 boot_devices
= optarg
;
8987 /* We just do some generic consistency checks */
8989 /* Could easily be extended to 64 devices if needed */
8992 boot_devices_bitmap
= 0;
8993 for (p
= boot_devices
; *p
!= '\0'; p
++) {
8994 /* Allowed boot devices are:
8995 * a b : floppy disk drives
8996 * c ... f : IDE disk drives
8997 * g ... m : machine implementation dependant drives
8998 * n ... p : network devices
8999 * It's up to each machine implementation to check
9000 * if the given boot devices match the actual hardware
9001 * implementation and firmware features.
9003 if (*p
< 'a' || *p
> 'q') {
9004 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
9007 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
9009 "Boot device '%c' was given twice\n",*p
);
9012 boot_devices_bitmap
|= 1 << (*p
- 'a');
9016 case QEMU_OPTION_fda
:
9017 case QEMU_OPTION_fdb
:
9018 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
9021 case QEMU_OPTION_no_fd_bootchk
:
9025 case QEMU_OPTION_net
:
9026 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
9027 fprintf(stderr
, "qemu: too many network clients\n");
9030 net_clients
[nb_net_clients
] = optarg
;
9034 case QEMU_OPTION_tftp
:
9035 tftp_prefix
= optarg
;
9037 case QEMU_OPTION_bootp
:
9038 bootp_filename
= optarg
;
9041 case QEMU_OPTION_smb
:
9042 net_slirp_smb(optarg
);
9045 case QEMU_OPTION_redir
:
9046 net_slirp_redir(optarg
);
9050 case QEMU_OPTION_audio_help
:
9054 case QEMU_OPTION_soundhw
:
9055 select_soundhw (optarg
);
9061 case QEMU_OPTION_m
: {
9065 value
= strtoul(optarg
, &ptr
, 10);
9067 case 0: case 'M': case 'm':
9074 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
9078 /* On 32-bit hosts, QEMU is limited by virtual address space */
9079 if (value
> (2047 << 20)
9081 && HOST_LONG_BITS
== 32
9084 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
9087 if (value
!= (uint64_t)(ram_addr_t
)value
) {
9088 fprintf(stderr
, "qemu: ram size too large\n");
9097 const CPULogItem
*item
;
9099 mask
= cpu_str_to_log_mask(optarg
);
9101 printf("Log items (comma separated):\n");
9102 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
9103 printf("%-10s %s\n", item
->name
, item
->help
);
9110 #ifdef CONFIG_GDBSTUB
9115 gdbstub_port
= optarg
;
9121 case QEMU_OPTION_bios
:
9128 keyboard_layout
= optarg
;
9130 case QEMU_OPTION_localtime
:
9133 case QEMU_OPTION_vga
:
9134 select_vgahw (optarg
);
9141 w
= strtol(p
, (char **)&p
, 10);
9144 fprintf(stderr
, "qemu: invalid resolution or depth\n");
9150 h
= strtol(p
, (char **)&p
, 10);
9155 depth
= strtol(p
, (char **)&p
, 10);
9156 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
9157 depth
!= 24 && depth
!= 32)
9159 } else if (*p
== '\0') {
9160 depth
= graphic_depth
;
9167 graphic_depth
= depth
;
9170 case QEMU_OPTION_echr
:
9173 term_escape_char
= strtol(optarg
, &r
, 0);
9175 printf("Bad argument to echr\n");
9178 case QEMU_OPTION_monitor
:
9179 monitor_device
= optarg
;
9181 case QEMU_OPTION_serial
:
9182 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
9183 fprintf(stderr
, "qemu: too many serial ports\n");
9186 serial_devices
[serial_device_index
] = optarg
;
9187 serial_device_index
++;
9189 case QEMU_OPTION_parallel
:
9190 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
9191 fprintf(stderr
, "qemu: too many parallel ports\n");
9194 parallel_devices
[parallel_device_index
] = optarg
;
9195 parallel_device_index
++;
9197 case QEMU_OPTION_loadvm
:
9200 case QEMU_OPTION_full_screen
:
9204 case QEMU_OPTION_no_frame
:
9207 case QEMU_OPTION_alt_grab
:
9210 case QEMU_OPTION_no_quit
:
9214 case QEMU_OPTION_pidfile
:
9218 case QEMU_OPTION_win2k_hack
:
9219 win2k_install_hack
= 1;
9223 case QEMU_OPTION_no_kqemu
:
9226 case QEMU_OPTION_kernel_kqemu
:
9230 case QEMU_OPTION_usb
:
9233 case QEMU_OPTION_usbdevice
:
9235 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
9236 fprintf(stderr
, "Too many USB devices\n");
9239 usb_devices
[usb_devices_index
] = optarg
;
9240 usb_devices_index
++;
9242 case QEMU_OPTION_smp
:
9243 smp_cpus
= atoi(optarg
);
9245 fprintf(stderr
, "Invalid number of CPUs\n");
9249 case QEMU_OPTION_vnc
:
9250 vnc_display
= optarg
;
9252 case QEMU_OPTION_no_acpi
:
9255 case QEMU_OPTION_no_reboot
:
9258 case QEMU_OPTION_no_shutdown
:
9261 case QEMU_OPTION_show_cursor
:
9264 case QEMU_OPTION_uuid
:
9265 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
9266 fprintf(stderr
, "Fail to parse UUID string."
9267 " Wrong format.\n");
9271 case QEMU_OPTION_daemonize
:
9274 case QEMU_OPTION_option_rom
:
9275 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9276 fprintf(stderr
, "Too many option ROMs\n");
9279 option_rom
[nb_option_roms
] = optarg
;
9282 case QEMU_OPTION_semihosting
:
9283 semihosting_enabled
= 1;
9285 case QEMU_OPTION_name
:
9289 case QEMU_OPTION_prom_env
:
9290 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
9291 fprintf(stderr
, "Too many prom variables\n");
9294 prom_envs
[nb_prom_envs
] = optarg
;
9299 case QEMU_OPTION_old_param
:
9303 case QEMU_OPTION_clock
:
9304 configure_alarms(optarg
);
9306 case QEMU_OPTION_startdate
:
9309 time_t rtc_start_date
;
9310 if (!strcmp(optarg
, "now")) {
9311 rtc_date_offset
= -1;
9313 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
9321 } else if (sscanf(optarg
, "%d-%d-%d",
9324 &tm
.tm_mday
) == 3) {
9333 rtc_start_date
= mktimegm(&tm
);
9334 if (rtc_start_date
== -1) {
9336 fprintf(stderr
, "Invalid date format. Valid format are:\n"
9337 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
9340 rtc_date_offset
= time(NULL
) - rtc_start_date
;
9344 case QEMU_OPTION_tb_size
:
9345 tb_size
= strtol(optarg
, NULL
, 0);
9349 case QEMU_OPTION_icount
:
9351 if (strcmp(optarg
, "auto") == 0) {
9352 icount_time_shift
= -1;
9354 icount_time_shift
= strtol(optarg
, NULL
, 0);
9357 case QEMU_OPTION_incoming
:
9364 if (smp_cpus
> machine
->max_cpus
) {
9365 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
9366 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
9372 if (serial_device_index
== 0)
9373 serial_devices
[0] = "stdio";
9374 if (parallel_device_index
== 0)
9375 parallel_devices
[0] = "null";
9376 if (strncmp(monitor_device
, "vc", 2) == 0)
9377 monitor_device
= "stdio";
9384 if (pipe(fds
) == -1)
9395 len
= read(fds
[0], &status
, 1);
9396 if (len
== -1 && (errno
== EINTR
))
9401 else if (status
== 1) {
9402 fprintf(stderr
, "Could not acquire pidfile\n");
9419 signal(SIGTSTP
, SIG_IGN
);
9420 signal(SIGTTOU
, SIG_IGN
);
9421 signal(SIGTTIN
, SIG_IGN
);
9425 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
9428 write(fds
[1], &status
, 1);
9430 fprintf(stderr
, "Could not acquire pid file\n");
9438 linux_boot
= (kernel_filename
!= NULL
);
9439 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
9441 if (!linux_boot
&& net_boot
== 0 &&
9442 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
9445 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
9446 fprintf(stderr
, "-append only allowed with -kernel option\n");
9450 if (!linux_boot
&& initrd_filename
!= NULL
) {
9451 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
9455 /* boot to floppy or the default cd if no hard disk defined yet */
9456 if (!boot_devices
[0]) {
9457 boot_devices
= "cad";
9459 setvbuf(stdout
, NULL
, _IOLBF
, 0);
9463 if (use_icount
&& icount_time_shift
< 0) {
9465 /* 125MIPS seems a reasonable initial guess at the guest speed.
9466 It will be corrected fairly quickly anyway. */
9467 icount_time_shift
= 3;
9468 init_icount_adjust();
9475 /* init network clients */
9476 if (nb_net_clients
== 0) {
9477 /* if no clients, we use a default config */
9478 net_clients
[nb_net_clients
++] = "nic";
9480 net_clients
[nb_net_clients
++] = "user";
9484 for(i
= 0;i
< nb_net_clients
; i
++) {
9485 if (net_client_parse(net_clients
[i
]) < 0)
9488 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9489 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
9491 if (vlan
->nb_guest_devs
== 0)
9492 fprintf(stderr
, "Warning: vlan %d with no nics\n", vlan
->id
);
9493 if (vlan
->nb_host_devs
== 0)
9495 "Warning: vlan %d is not connected to host network\n",
9500 /* XXX: this should be moved in the PC machine instantiation code */
9501 if (net_boot
!= 0) {
9503 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
9504 const char *model
= nd_table
[i
].model
;
9506 if (net_boot
& (1 << i
)) {
9509 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
9510 if (get_image_size(buf
) > 0) {
9511 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9512 fprintf(stderr
, "Too many option ROMs\n");
9515 option_rom
[nb_option_roms
] = strdup(buf
);
9522 fprintf(stderr
, "No valid PXE rom found for network device\n");
9528 /* init the memory */
9529 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
9531 if (machine
->ram_require
& RAMSIZE_FIXED
) {
9533 if (ram_size
< phys_ram_size
) {
9534 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
9535 machine
->name
, (unsigned long long) phys_ram_size
);
9539 phys_ram_size
= ram_size
;
9541 ram_size
= phys_ram_size
;
9544 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
9546 phys_ram_size
+= ram_size
;
9549 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
9550 if (!phys_ram_base
) {
9551 fprintf(stderr
, "Could not allocate physical memory\n");
9555 /* init the dynamic translator */
9556 cpu_exec_init_all(tb_size
* 1024 * 1024);
9560 /* we always create the cdrom drive, even if no disk is there */
9562 if (nb_drives_opt
< MAX_DRIVES
)
9563 drive_add(NULL
, CDROM_ALIAS
);
9565 /* we always create at least one floppy */
9567 if (nb_drives_opt
< MAX_DRIVES
)
9568 drive_add(NULL
, FD_ALIAS
, 0);
9570 /* we always create one sd slot, even if no card is in it */
9572 if (nb_drives_opt
< MAX_DRIVES
)
9573 drive_add(NULL
, SD_ALIAS
);
9575 /* open the virtual block devices */
9577 for(i
= 0; i
< nb_drives_opt
; i
++)
9578 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
9581 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
9582 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
9585 memset(&display_state
, 0, sizeof(display_state
));
9588 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
9591 /* nearly nothing to do */
9592 dumb_display_init(ds
);
9593 } else if (vnc_display
!= NULL
) {
9594 vnc_display_init(ds
);
9595 if (vnc_display_open(ds
, vnc_display
) < 0)
9598 #if defined(CONFIG_CURSES)
9600 curses_display_init(ds
, full_screen
);
9604 #if defined(CONFIG_SDL)
9605 sdl_display_init(ds
, full_screen
, no_frame
);
9606 #elif defined(CONFIG_COCOA)
9607 cocoa_display_init(ds
, full_screen
);
9609 dumb_display_init(ds
);
9614 /* must be after terminal init, SDL library changes signal handlers */
9618 /* Maintain compatibility with multiple stdio monitors */
9619 if (!strcmp(monitor_device
,"stdio")) {
9620 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9621 const char *devname
= serial_devices
[i
];
9622 if (devname
&& !strcmp(devname
,"mon:stdio")) {
9623 monitor_device
= NULL
;
9625 } else if (devname
&& !strcmp(devname
,"stdio")) {
9626 monitor_device
= NULL
;
9627 serial_devices
[i
] = "mon:stdio";
9632 if (monitor_device
) {
9633 monitor_hd
= qemu_chr_open(monitor_device
);
9635 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
9638 monitor_init(monitor_hd
, !nographic
);
9641 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9642 const char *devname
= serial_devices
[i
];
9643 if (devname
&& strcmp(devname
, "none")) {
9644 serial_hds
[i
] = qemu_chr_open(devname
);
9645 if (!serial_hds
[i
]) {
9646 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
9650 if (strstart(devname
, "vc", 0))
9651 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
9655 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
9656 const char *devname
= parallel_devices
[i
];
9657 if (devname
&& strcmp(devname
, "none")) {
9658 parallel_hds
[i
] = qemu_chr_open(devname
);
9659 if (!parallel_hds
[i
]) {
9660 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
9664 if (strstart(devname
, "vc", 0))
9665 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
9669 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
9670 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
9672 /* init USB devices */
9674 for(i
= 0; i
< usb_devices_index
; i
++) {
9675 if (usb_device_add(usb_devices
[i
]) < 0) {
9676 fprintf(stderr
, "Warning: could not add USB device %s\n",
9682 if (display_state
.dpy_refresh
) {
9683 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
9684 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
9687 #ifdef CONFIG_GDBSTUB
9689 /* XXX: use standard host:port notation and modify options
9691 if (gdbserver_start(gdbstub_port
) < 0) {
9692 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
9703 autostart
= 0; /* fixme how to deal with -daemonize */
9704 qemu_start_incoming_migration(incoming
);
9708 /* XXX: simplify init */
9721 len
= write(fds
[1], &status
, 1);
9722 if (len
== -1 && (errno
== EINTR
))
9729 TFR(fd
= open("/dev/null", O_RDWR
));
9743 #if !defined(_WIN32)
9744 /* close network clients */
9745 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9746 VLANClientState
*vc
;
9748 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
9749 if (vc
->fd_read
== tap_receive
) {
9751 TAPState
*s
= vc
->opaque
;
9753 if (sscanf(vc
->info_str
, "tap: ifname=%63s ", ifname
) == 1 &&
9755 launch_script(s
->down_script
, ifname
, s
->fd
);
9757 #if defined(CONFIG_VDE)
9758 if (vc
->fd_read
== vde_from_qemu
) {
9759 VDEState
*s
= vc
->opaque
;