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"
36 #include "qemu-timer.h"
37 #include "qemu-char.h"
39 #include "audio/audio.h"
40 #include "migration.h"
52 #include <sys/times.h>
57 #include <sys/ioctl.h>
58 #include <sys/socket.h>
59 #include <netinet/in.h>
62 #include <sys/select.h>
63 #include <arpa/inet.h>
69 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
70 #include <freebsd/stdlib.h>
74 #include <linux/if_tun.h>
77 #include <linux/rtc.h>
79 /* For the benefit of older linux systems which don't supply it,
80 we use a local copy of hpet.h. */
81 /* #include <linux/hpet.h> */
84 #include <linux/ppdev.h>
85 #include <linux/parport.h>
88 #include <sys/ethernet.h>
89 #include <sys/sockio.h>
90 #include <netinet/arp.h>
91 #include <netinet/in.h>
92 #include <netinet/in_systm.h>
93 #include <netinet/ip.h>
94 #include <netinet/ip_icmp.h> // must come after ip.h
95 #include <netinet/udp.h>
96 #include <netinet/tcp.h>
103 #include <winsock2.h>
104 int inet_aton(const char *cp
, struct in_addr
*ia
);
107 #if defined(CONFIG_SLIRP)
108 #include "libslirp.h"
113 #include <sys/timeb.h>
114 #include <mmsystem.h>
115 #define getopt_long_only getopt_long
116 #define memalign(align, size) malloc(size)
119 #include "qemu_socket.h"
125 #endif /* CONFIG_SDL */
129 #define main qemu_main
130 #endif /* CONFIG_COCOA */
134 #include "exec-all.h"
136 #include "qemu-kvm.h"
138 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
139 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
141 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
143 #define SMBD_COMMAND "/usr/sbin/smbd"
146 //#define DEBUG_UNUSED_IOPORT
147 //#define DEBUG_IOPORT
150 #define DEFAULT_RAM_SIZE 144
152 #define DEFAULT_RAM_SIZE 128
155 #define GUI_REFRESH_INTERVAL 30
157 /* Max number of USB devices that can be specified on the commandline. */
158 #define MAX_USB_CMDLINE 8
160 /* XXX: use a two level table to limit memory usage */
161 #define MAX_IOPORTS 65536
163 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
164 const char *bios_name
= NULL
;
165 void *ioport_opaque
[MAX_IOPORTS
];
166 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
167 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
168 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
169 to store the VM snapshots */
170 DriveInfo drives_table
[MAX_DRIVES
+1];
172 int extboot_drive
= -1;
173 /* point to the block driver where the snapshots are managed */
174 BlockDriverState
*bs_snapshots
;
176 static DisplayState display_state
;
179 const char* keyboard_layout
= NULL
;
180 int64_t ticks_per_sec
;
182 int pit_min_timer_count
= 0;
184 NICInfo nd_table
[MAX_NICS
];
186 static int rtc_utc
= 1;
187 static int rtc_date_offset
= -1; /* -1 means no change */
188 int cirrus_vga_enabled
= 1;
189 int vmsvga_enabled
= 0;
191 int graphic_width
= 1024;
192 int graphic_height
= 768;
193 int graphic_depth
= 8;
195 int graphic_width
= 800;
196 int graphic_height
= 600;
197 int graphic_depth
= 15;
202 int balloon_used
= 0;
203 CharDriverState
*vmchannel_hds
[MAX_VMCHANNEL_DEVICES
];
204 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
205 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
207 int win2k_install_hack
= 0;
210 static VLANState
*first_vlan
;
212 const char *vnc_display
;
213 #if defined(TARGET_SPARC)
215 #elif defined(TARGET_I386)
217 #elif defined(TARGET_IA64)
222 int acpi_enabled
= 1;
227 int graphic_rotate
= 0;
229 const char *incoming
;
230 const char *option_rom
[MAX_OPTION_ROMS
];
232 int semihosting_enabled
= 0;
234 int time_drift_fix
= 0;
235 unsigned int kvm_shadow_memory
= 0;
236 const char *mem_path
= NULL
;
238 const char *cpu_vendor_string
;
242 const char *qemu_name
;
245 unsigned int nb_prom_envs
= 0;
246 const char *prom_envs
[MAX_PROM_ENVS
];
249 struct drive_opt drives_opt
[MAX_DRIVES
];
251 static CPUState
*cur_cpu
;
252 static CPUState
*next_cpu
;
253 static int event_pending
= 1;
255 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
257 void decorate_application_name(char *appname
, int max_len
)
261 int remain
= max_len
- strlen(appname
) - 1;
264 strncat(appname
, "/KVM", remain
);
268 /***********************************************************/
269 /* x86 ISA bus support */
271 target_phys_addr_t isa_mem_base
= 0;
274 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
276 #ifdef DEBUG_UNUSED_IOPORT
277 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
282 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
284 #ifdef DEBUG_UNUSED_IOPORT
285 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
289 /* default is to make two byte accesses */
290 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
293 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
294 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
295 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
299 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
301 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
302 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
303 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
306 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
308 #ifdef DEBUG_UNUSED_IOPORT
309 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
314 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
316 #ifdef DEBUG_UNUSED_IOPORT
317 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
321 static void init_ioports(void)
325 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
326 ioport_read_table
[0][i
] = default_ioport_readb
;
327 ioport_write_table
[0][i
] = default_ioport_writeb
;
328 ioport_read_table
[1][i
] = default_ioport_readw
;
329 ioport_write_table
[1][i
] = default_ioport_writew
;
330 ioport_read_table
[2][i
] = default_ioport_readl
;
331 ioport_write_table
[2][i
] = default_ioport_writel
;
335 /* size is the word size in byte */
336 int register_ioport_read(int start
, int length
, int size
,
337 IOPortReadFunc
*func
, void *opaque
)
343 } else if (size
== 2) {
345 } else if (size
== 4) {
348 hw_error("register_ioport_read: invalid size");
351 for(i
= start
; i
< start
+ length
; i
+= size
) {
352 ioport_read_table
[bsize
][i
] = func
;
353 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
354 hw_error("register_ioport_read: invalid opaque");
355 ioport_opaque
[i
] = opaque
;
360 /* size is the word size in byte */
361 int register_ioport_write(int start
, int length
, int size
,
362 IOPortWriteFunc
*func
, void *opaque
)
368 } else if (size
== 2) {
370 } else if (size
== 4) {
373 hw_error("register_ioport_write: invalid size");
376 for(i
= start
; i
< start
+ length
; i
+= size
) {
377 ioport_write_table
[bsize
][i
] = func
;
378 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
379 hw_error("register_ioport_write: invalid opaque");
380 ioport_opaque
[i
] = opaque
;
385 void isa_unassign_ioport(int start
, int length
)
389 for(i
= start
; i
< start
+ length
; i
++) {
390 ioport_read_table
[0][i
] = default_ioport_readb
;
391 ioport_read_table
[1][i
] = default_ioport_readw
;
392 ioport_read_table
[2][i
] = default_ioport_readl
;
394 ioport_write_table
[0][i
] = default_ioport_writeb
;
395 ioport_write_table
[1][i
] = default_ioport_writew
;
396 ioport_write_table
[2][i
] = default_ioport_writel
;
398 ioport_opaque
[i
] = NULL
;
402 /***********************************************************/
404 void cpu_outb(CPUState
*env
, int addr
, int val
)
407 if (loglevel
& CPU_LOG_IOPORT
)
408 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
410 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
413 env
->last_io_time
= cpu_get_time_fast();
417 void cpu_outw(CPUState
*env
, int addr
, int val
)
420 if (loglevel
& CPU_LOG_IOPORT
)
421 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
423 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
426 env
->last_io_time
= cpu_get_time_fast();
430 void cpu_outl(CPUState
*env
, int addr
, int val
)
433 if (loglevel
& CPU_LOG_IOPORT
)
434 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
436 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
439 env
->last_io_time
= cpu_get_time_fast();
443 int cpu_inb(CPUState
*env
, int addr
)
446 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
448 if (loglevel
& CPU_LOG_IOPORT
)
449 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
453 env
->last_io_time
= cpu_get_time_fast();
458 int cpu_inw(CPUState
*env
, int addr
)
461 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
463 if (loglevel
& CPU_LOG_IOPORT
)
464 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
468 env
->last_io_time
= cpu_get_time_fast();
473 int cpu_inl(CPUState
*env
, int addr
)
476 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
478 if (loglevel
& CPU_LOG_IOPORT
)
479 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
483 env
->last_io_time
= cpu_get_time_fast();
488 /***********************************************************/
489 void hw_error(const char *fmt
, ...)
495 fprintf(stderr
, "qemu: hardware error: ");
496 vfprintf(stderr
, fmt
, ap
);
497 fprintf(stderr
, "\n");
498 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
499 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
501 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
503 cpu_dump_state(env
, stderr
, fprintf
, 0);
510 /***********************************************************/
513 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
514 static void *qemu_put_kbd_event_opaque
;
515 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
516 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
518 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
520 qemu_put_kbd_event_opaque
= opaque
;
521 qemu_put_kbd_event
= func
;
524 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
525 void *opaque
, int absolute
,
528 QEMUPutMouseEntry
*s
, *cursor
;
530 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
534 s
->qemu_put_mouse_event
= func
;
535 s
->qemu_put_mouse_event_opaque
= opaque
;
536 s
->qemu_put_mouse_event_absolute
= absolute
;
537 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
540 if (!qemu_put_mouse_event_head
) {
541 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
545 cursor
= qemu_put_mouse_event_head
;
546 while (cursor
->next
!= NULL
)
547 cursor
= cursor
->next
;
550 qemu_put_mouse_event_current
= s
;
555 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
557 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
559 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
562 cursor
= qemu_put_mouse_event_head
;
563 while (cursor
!= NULL
&& cursor
!= entry
) {
565 cursor
= cursor
->next
;
568 if (cursor
== NULL
) // does not exist or list empty
570 else if (prev
== NULL
) { // entry is head
571 qemu_put_mouse_event_head
= cursor
->next
;
572 if (qemu_put_mouse_event_current
== entry
)
573 qemu_put_mouse_event_current
= cursor
->next
;
574 qemu_free(entry
->qemu_put_mouse_event_name
);
579 prev
->next
= entry
->next
;
581 if (qemu_put_mouse_event_current
== entry
)
582 qemu_put_mouse_event_current
= prev
;
584 qemu_free(entry
->qemu_put_mouse_event_name
);
588 void kbd_put_keycode(int keycode
)
590 if (qemu_put_kbd_event
) {
591 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
595 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
597 QEMUPutMouseEvent
*mouse_event
;
598 void *mouse_event_opaque
;
601 if (!qemu_put_mouse_event_current
) {
606 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
608 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
611 if (graphic_rotate
) {
612 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
615 width
= graphic_width
- 1;
616 mouse_event(mouse_event_opaque
,
617 width
- dy
, dx
, dz
, buttons_state
);
619 mouse_event(mouse_event_opaque
,
620 dx
, dy
, dz
, buttons_state
);
624 int kbd_mouse_is_absolute(void)
626 if (!qemu_put_mouse_event_current
)
629 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
632 void do_info_mice(void)
634 QEMUPutMouseEntry
*cursor
;
637 if (!qemu_put_mouse_event_head
) {
638 term_printf("No mouse devices connected\n");
642 term_printf("Mouse devices available:\n");
643 cursor
= qemu_put_mouse_event_head
;
644 while (cursor
!= NULL
) {
645 term_printf("%c Mouse #%d: %s\n",
646 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
647 index
, cursor
->qemu_put_mouse_event_name
);
649 cursor
= cursor
->next
;
653 void do_mouse_set(int index
)
655 QEMUPutMouseEntry
*cursor
;
658 if (!qemu_put_mouse_event_head
) {
659 term_printf("No mouse devices connected\n");
663 cursor
= qemu_put_mouse_event_head
;
664 while (cursor
!= NULL
&& index
!= i
) {
666 cursor
= cursor
->next
;
670 qemu_put_mouse_event_current
= cursor
;
672 term_printf("Mouse at given index not found\n");
675 /* compute with 96 bit intermediate result: (a*b)/c */
676 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
681 #ifdef WORDS_BIGENDIAN
691 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
692 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
695 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
699 /***********************************************************/
700 /* real time host monotonic timer */
702 #define QEMU_TIMER_BASE 1000000000LL
706 static int64_t clock_freq
;
708 static void init_get_clock(void)
712 ret
= QueryPerformanceFrequency(&freq
);
714 fprintf(stderr
, "Could not calibrate ticks\n");
717 clock_freq
= freq
.QuadPart
;
720 static int64_t get_clock(void)
723 QueryPerformanceCounter(&ti
);
724 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
729 static int use_rt_clock
;
731 static void init_get_clock(void)
734 #if defined(__linux__)
737 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
744 static int64_t get_clock(void)
746 #if defined(__linux__)
749 clock_gettime(CLOCK_MONOTONIC
, &ts
);
750 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
754 /* XXX: using gettimeofday leads to problems if the date
755 changes, so it should be avoided. */
757 gettimeofday(&tv
, NULL
);
758 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
764 /***********************************************************/
765 /* guest cycle counter */
767 static int64_t cpu_ticks_prev
;
768 static int64_t cpu_ticks_offset
;
769 static int64_t cpu_clock_offset
;
770 static int cpu_ticks_enabled
;
772 /* return the host CPU cycle counter and handle stop/restart */
773 int64_t cpu_get_ticks(void)
775 if (!cpu_ticks_enabled
) {
776 return cpu_ticks_offset
;
779 ticks
= cpu_get_real_ticks();
780 if (cpu_ticks_prev
> ticks
) {
781 /* Note: non increasing ticks may happen if the host uses
783 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
785 cpu_ticks_prev
= ticks
;
786 return ticks
+ cpu_ticks_offset
;
790 /* return the host CPU monotonic timer and handle stop/restart */
791 static int64_t cpu_get_clock(void)
794 if (!cpu_ticks_enabled
) {
795 return cpu_clock_offset
;
798 return ti
+ cpu_clock_offset
;
802 /* enable cpu_get_ticks() */
803 void cpu_enable_ticks(void)
805 if (!cpu_ticks_enabled
) {
806 cpu_ticks_offset
-= cpu_get_real_ticks();
807 cpu_clock_offset
-= get_clock();
808 cpu_ticks_enabled
= 1;
812 /* disable cpu_get_ticks() : the clock is stopped. You must not call
813 cpu_get_ticks() after that. */
814 void cpu_disable_ticks(void)
816 if (cpu_ticks_enabled
) {
817 cpu_ticks_offset
= cpu_get_ticks();
818 cpu_clock_offset
= cpu_get_clock();
819 cpu_ticks_enabled
= 0;
823 /***********************************************************/
826 #define QEMU_TIMER_REALTIME 0
827 #define QEMU_TIMER_VIRTUAL 1
831 /* XXX: add frequency */
839 struct QEMUTimer
*next
;
842 struct qemu_alarm_timer
{
846 int (*start
)(struct qemu_alarm_timer
*t
);
847 void (*stop
)(struct qemu_alarm_timer
*t
);
848 void (*rearm
)(struct qemu_alarm_timer
*t
);
852 #define ALARM_FLAG_DYNTICKS 0x1
853 #define ALARM_FLAG_EXPIRED 0x2
855 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
857 return t
->flags
& ALARM_FLAG_DYNTICKS
;
860 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
862 if (!alarm_has_dynticks(t
))
868 /* TODO: MIN_TIMER_REARM_US should be optimized */
869 #define MIN_TIMER_REARM_US 250
871 static struct qemu_alarm_timer
*alarm_timer
;
875 struct qemu_alarm_win32
{
879 } alarm_win32_data
= {0, NULL
, -1};
881 static int win32_start_timer(struct qemu_alarm_timer
*t
);
882 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
883 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
887 static int unix_start_timer(struct qemu_alarm_timer
*t
);
888 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
892 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
893 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
894 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
896 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
897 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
899 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
900 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
902 #endif /* __linux__ */
906 static struct qemu_alarm_timer alarm_timers
[] = {
909 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
910 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
911 /* HPET - if available - is preferred */
912 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
913 /* ...otherwise try RTC */
914 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
916 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
918 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
919 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
920 {"win32", 0, win32_start_timer
,
921 win32_stop_timer
, NULL
, &alarm_win32_data
},
926 static void show_available_alarms(void)
930 printf("Available alarm timers, in order of precedence:\n");
931 for (i
= 0; alarm_timers
[i
].name
; i
++)
932 printf("%s\n", alarm_timers
[i
].name
);
935 static void configure_alarms(char const *opt
)
939 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
943 if (!strcmp(opt
, "?")) {
944 show_available_alarms();
950 /* Reorder the array */
951 name
= strtok(arg
, ",");
953 struct qemu_alarm_timer tmp
;
955 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
956 if (!strcmp(alarm_timers
[i
].name
, name
))
961 fprintf(stderr
, "Unknown clock %s\n", name
);
970 tmp
= alarm_timers
[i
];
971 alarm_timers
[i
] = alarm_timers
[cur
];
972 alarm_timers
[cur
] = tmp
;
976 name
= strtok(NULL
, ",");
982 /* Disable remaining timers */
983 for (i
= cur
; i
< count
; i
++)
984 alarm_timers
[i
].name
= NULL
;
986 show_available_alarms();
994 static QEMUTimer
*active_timers
[2];
996 static QEMUClock
*qemu_new_clock(int type
)
999 clock
= qemu_mallocz(sizeof(QEMUClock
));
1006 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1010 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1013 ts
->opaque
= opaque
;
1017 void qemu_free_timer(QEMUTimer
*ts
)
1022 /* stop a timer, but do not dealloc it */
1023 void qemu_del_timer(QEMUTimer
*ts
)
1027 /* NOTE: this code must be signal safe because
1028 qemu_timer_expired() can be called from a signal. */
1029 pt
= &active_timers
[ts
->clock
->type
];
1042 /* modify the current timer so that it will be fired when current_time
1043 >= expire_time. The corresponding callback will be called. */
1044 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1050 /* add the timer in the sorted list */
1051 /* NOTE: this code must be signal safe because
1052 qemu_timer_expired() can be called from a signal. */
1053 pt
= &active_timers
[ts
->clock
->type
];
1058 if (t
->expire_time
> expire_time
)
1062 ts
->expire_time
= expire_time
;
1066 /* Rearm if necessary */
1067 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0 &&
1068 pt
== &active_timers
[ts
->clock
->type
])
1069 qemu_rearm_alarm_timer(alarm_timer
);
1072 int qemu_timer_pending(QEMUTimer
*ts
)
1075 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1082 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1086 return (timer_head
->expire_time
<= current_time
);
1089 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1095 if (!ts
|| ts
->expire_time
> current_time
)
1097 /* remove timer from the list before calling the callback */
1098 *ptimer_head
= ts
->next
;
1101 /* run the callback (the timer list can be modified) */
1106 int64_t qemu_get_clock(QEMUClock
*clock
)
1108 switch(clock
->type
) {
1109 case QEMU_TIMER_REALTIME
:
1110 return get_clock() / 1000000;
1112 case QEMU_TIMER_VIRTUAL
:
1113 return cpu_get_clock();
1117 static void init_timers(void)
1120 ticks_per_sec
= QEMU_TIMER_BASE
;
1121 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1122 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1126 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1128 uint64_t expire_time
;
1130 if (qemu_timer_pending(ts
)) {
1131 expire_time
= ts
->expire_time
;
1135 qemu_put_be64(f
, expire_time
);
1138 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1140 uint64_t expire_time
;
1142 expire_time
= qemu_get_be64(f
);
1143 if (expire_time
!= -1) {
1144 qemu_mod_timer(ts
, expire_time
);
1150 static void timer_save(QEMUFile
*f
, void *opaque
)
1152 if (cpu_ticks_enabled
) {
1153 hw_error("cannot save state if virtual timers are running");
1155 qemu_put_be64(f
, cpu_ticks_offset
);
1156 qemu_put_be64(f
, ticks_per_sec
);
1157 qemu_put_be64(f
, cpu_clock_offset
);
1160 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1162 if (version_id
!= 1 && version_id
!= 2)
1164 if (cpu_ticks_enabled
) {
1167 cpu_ticks_offset
=qemu_get_be64(f
);
1168 ticks_per_sec
=qemu_get_be64(f
);
1169 if (version_id
== 2) {
1170 cpu_clock_offset
=qemu_get_be64(f
);
1176 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1177 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1179 static void host_alarm_handler(int host_signum
)
1183 #define DISP_FREQ 1000
1185 static int64_t delta_min
= INT64_MAX
;
1186 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1188 ti
= qemu_get_clock(vm_clock
);
1189 if (last_clock
!= 0) {
1190 delta
= ti
- last_clock
;
1191 if (delta
< delta_min
)
1193 if (delta
> delta_max
)
1196 if (++count
== DISP_FREQ
) {
1197 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1198 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1199 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1200 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1201 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1203 delta_min
= INT64_MAX
;
1212 alarm_has_dynticks(alarm_timer
) ||
1213 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1214 qemu_get_clock(vm_clock
)) ||
1215 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1216 qemu_get_clock(rt_clock
))) {
1218 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1219 SetEvent(data
->host_alarm
);
1221 CPUState
*env
= next_cpu
;
1223 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1226 /* stop the currently executing cpu because a timer occured */
1227 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1229 if (env
->kqemu_enabled
) {
1230 kqemu_cpu_interrupt(env
);
1238 static uint64_t qemu_next_deadline(void)
1240 int64_t nearest_delta_us
= INT64_MAX
;
1243 if (active_timers
[QEMU_TIMER_REALTIME
])
1244 nearest_delta_us
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1245 qemu_get_clock(rt_clock
))*1000;
1247 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1249 vmdelta_us
= (active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1250 qemu_get_clock(vm_clock
)+999)/1000;
1251 if (vmdelta_us
< nearest_delta_us
)
1252 nearest_delta_us
= vmdelta_us
;
1255 /* Avoid arming the timer to negative, zero, or too low values */
1256 if (nearest_delta_us
<= MIN_TIMER_REARM_US
)
1257 nearest_delta_us
= MIN_TIMER_REARM_US
;
1259 return nearest_delta_us
;
1264 #if defined(__linux__)
1266 #define RTC_FREQ 1024
1268 static void enable_sigio_timer(int fd
)
1270 struct sigaction act
;
1273 sigfillset(&act
.sa_mask
);
1275 act
.sa_handler
= host_alarm_handler
;
1277 sigaction(SIGIO
, &act
, NULL
);
1278 fcntl(fd
, F_SETFL
, O_ASYNC
);
1279 fcntl(fd
, F_SETOWN
, getpid());
1282 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1284 struct hpet_info info
;
1287 fd
= open("/dev/hpet", O_RDONLY
);
1292 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1294 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1295 "error, but for better emulation accuracy type:\n"
1296 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1300 /* Check capabilities */
1301 r
= ioctl(fd
, HPET_INFO
, &info
);
1305 /* Enable periodic mode */
1306 r
= ioctl(fd
, HPET_EPI
, 0);
1307 if (info
.hi_flags
&& (r
< 0))
1310 /* Enable interrupt */
1311 r
= ioctl(fd
, HPET_IE_ON
, 0);
1315 enable_sigio_timer(fd
);
1316 t
->priv
= (void *)(long)fd
;
1324 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1326 int fd
= (long)t
->priv
;
1331 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1334 unsigned long current_rtc_freq
= 0;
1336 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1339 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1340 if (current_rtc_freq
!= RTC_FREQ
&&
1341 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1342 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1343 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1344 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1347 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1353 enable_sigio_timer(rtc_fd
);
1355 t
->priv
= (void *)(long)rtc_fd
;
1360 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1362 int rtc_fd
= (long)t
->priv
;
1367 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1371 struct sigaction act
;
1373 sigfillset(&act
.sa_mask
);
1375 act
.sa_handler
= host_alarm_handler
;
1377 sigaction(SIGALRM
, &act
, NULL
);
1379 ev
.sigev_value
.sival_int
= 0;
1380 ev
.sigev_notify
= SIGEV_SIGNAL
;
1381 ev
.sigev_signo
= SIGALRM
;
1383 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1384 perror("timer_create");
1386 /* disable dynticks */
1387 fprintf(stderr
, "Dynamic Ticks disabled\n");
1392 t
->priv
= (void *)host_timer
;
1397 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1399 timer_t host_timer
= (timer_t
)t
->priv
;
1401 timer_delete(host_timer
);
1404 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1406 timer_t host_timer
= (timer_t
)t
->priv
;
1407 struct itimerspec timeout
;
1408 int64_t nearest_delta_us
= INT64_MAX
;
1411 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1412 !active_timers
[QEMU_TIMER_VIRTUAL
])
1415 nearest_delta_us
= qemu_next_deadline();
1417 /* check whether a timer is already running */
1418 if (timer_gettime(host_timer
, &timeout
)) {
1420 fprintf(stderr
, "Internal timer error: aborting\n");
1423 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1424 if (current_us
&& current_us
<= nearest_delta_us
)
1427 timeout
.it_interval
.tv_sec
= 0;
1428 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1429 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1430 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1431 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1433 fprintf(stderr
, "Internal timer error: aborting\n");
1438 #endif /* defined(__linux__) */
1440 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1442 struct sigaction act
;
1443 struct itimerval itv
;
1447 sigfillset(&act
.sa_mask
);
1449 act
.sa_handler
= host_alarm_handler
;
1451 sigaction(SIGALRM
, &act
, NULL
);
1453 itv
.it_interval
.tv_sec
= 0;
1454 /* for i386 kernel 2.6 to get 1 ms */
1455 itv
.it_interval
.tv_usec
= 999;
1456 itv
.it_value
.tv_sec
= 0;
1457 itv
.it_value
.tv_usec
= 10 * 1000;
1459 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1466 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1468 struct itimerval itv
;
1470 memset(&itv
, 0, sizeof(itv
));
1471 setitimer(ITIMER_REAL
, &itv
, NULL
);
1474 #endif /* !defined(_WIN32) */
1478 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1481 struct qemu_alarm_win32
*data
= t
->priv
;
1484 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1485 if (!data
->host_alarm
) {
1486 perror("Failed CreateEvent");
1490 memset(&tc
, 0, sizeof(tc
));
1491 timeGetDevCaps(&tc
, sizeof(tc
));
1493 if (data
->period
< tc
.wPeriodMin
)
1494 data
->period
= tc
.wPeriodMin
;
1496 timeBeginPeriod(data
->period
);
1498 flags
= TIME_CALLBACK_FUNCTION
;
1499 if (alarm_has_dynticks(t
))
1500 flags
|= TIME_ONESHOT
;
1502 flags
|= TIME_PERIODIC
;
1504 data
->timerId
= timeSetEvent(1, // interval (ms)
1505 data
->period
, // resolution
1506 host_alarm_handler
, // function
1507 (DWORD
)t
, // parameter
1510 if (!data
->timerId
) {
1511 perror("Failed to initialize win32 alarm timer");
1513 timeEndPeriod(data
->period
);
1514 CloseHandle(data
->host_alarm
);
1518 qemu_add_wait_object(data
->host_alarm
, NULL
, NULL
);
1523 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1525 struct qemu_alarm_win32
*data
= t
->priv
;
1527 timeKillEvent(data
->timerId
);
1528 timeEndPeriod(data
->period
);
1530 CloseHandle(data
->host_alarm
);
1533 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1535 struct qemu_alarm_win32
*data
= t
->priv
;
1536 uint64_t nearest_delta_us
;
1538 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1539 !active_timers
[QEMU_TIMER_VIRTUAL
])
1542 nearest_delta_us
= qemu_next_deadline();
1543 nearest_delta_us
/= 1000;
1545 timeKillEvent(data
->timerId
);
1547 data
->timerId
= timeSetEvent(1,
1551 TIME_ONESHOT
| TIME_PERIODIC
);
1553 if (!data
->timerId
) {
1554 perror("Failed to re-arm win32 alarm timer");
1556 timeEndPeriod(data
->period
);
1557 CloseHandle(data
->host_alarm
);
1564 static void init_timer_alarm(void)
1566 struct qemu_alarm_timer
*t
;
1569 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1570 t
= &alarm_timers
[i
];
1578 fprintf(stderr
, "Unable to find any suitable alarm timer.\n");
1579 fprintf(stderr
, "Terminating\n");
1586 static void quit_timers(void)
1588 alarm_timer
->stop(alarm_timer
);
1592 /***********************************************************/
1593 /* host time/date access */
1594 void qemu_get_timedate(struct tm
*tm
, int offset
)
1601 if (rtc_date_offset
== -1) {
1605 ret
= localtime(&ti
);
1607 ti
-= rtc_date_offset
;
1611 memcpy(tm
, ret
, sizeof(struct tm
));
1614 int qemu_timedate_diff(struct tm
*tm
)
1618 if (rtc_date_offset
== -1)
1620 seconds
= mktimegm(tm
);
1622 seconds
= mktime(tm
);
1624 seconds
= mktimegm(tm
) + rtc_date_offset
;
1626 return seconds
- time(NULL
);
1629 /***********************************************************/
1630 /* character device */
1632 static void qemu_chr_event(CharDriverState
*s
, int event
)
1636 s
->chr_event(s
->handler_opaque
, event
);
1639 static void qemu_chr_reset_bh(void *opaque
)
1641 CharDriverState
*s
= opaque
;
1642 qemu_chr_event(s
, CHR_EVENT_RESET
);
1643 qemu_bh_delete(s
->bh
);
1647 void qemu_chr_reset(CharDriverState
*s
)
1649 if (s
->bh
== NULL
) {
1650 s
->bh
= qemu_bh_new(qemu_chr_reset_bh
, s
);
1651 qemu_bh_schedule(s
->bh
);
1655 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
1657 return s
->chr_write(s
, buf
, len
);
1660 int qemu_chr_ioctl(CharDriverState
*s
, int cmd
, void *arg
)
1664 return s
->chr_ioctl(s
, cmd
, arg
);
1667 int qemu_chr_can_read(CharDriverState
*s
)
1669 if (!s
->chr_can_read
)
1671 return s
->chr_can_read(s
->handler_opaque
);
1674 void qemu_chr_read(CharDriverState
*s
, uint8_t *buf
, int len
)
1676 s
->chr_read(s
->handler_opaque
, buf
, len
);
1679 void qemu_chr_accept_input(CharDriverState
*s
)
1681 if (s
->chr_accept_input
)
1682 s
->chr_accept_input(s
);
1685 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
1690 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
1691 qemu_chr_write(s
, (uint8_t *)buf
, strlen(buf
));
1695 void qemu_chr_send_event(CharDriverState
*s
, int event
)
1697 if (s
->chr_send_event
)
1698 s
->chr_send_event(s
, event
);
1701 void qemu_chr_add_handlers(CharDriverState
*s
,
1702 IOCanRWHandler
*fd_can_read
,
1703 IOReadHandler
*fd_read
,
1704 IOEventHandler
*fd_event
,
1707 s
->chr_can_read
= fd_can_read
;
1708 s
->chr_read
= fd_read
;
1709 s
->chr_event
= fd_event
;
1710 s
->handler_opaque
= opaque
;
1711 if (s
->chr_update_read_handler
)
1712 s
->chr_update_read_handler(s
);
1715 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1720 static CharDriverState
*qemu_chr_open_null(void)
1722 CharDriverState
*chr
;
1724 chr
= qemu_mallocz(sizeof(CharDriverState
));
1727 chr
->chr_write
= null_chr_write
;
1731 /* MUX driver for serial I/O splitting */
1732 static int term_timestamps
;
1733 static int64_t term_timestamps_start
;
1735 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
1736 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1738 IOCanRWHandler
*chr_can_read
[MAX_MUX
];
1739 IOReadHandler
*chr_read
[MAX_MUX
];
1740 IOEventHandler
*chr_event
[MAX_MUX
];
1741 void *ext_opaque
[MAX_MUX
];
1742 CharDriverState
*drv
;
1743 unsigned char buffer
[MUX_BUFFER_SIZE
];
1747 int term_got_escape
;
1752 static int mux_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1754 MuxDriver
*d
= chr
->opaque
;
1756 if (!term_timestamps
) {
1757 ret
= d
->drv
->chr_write(d
->drv
, buf
, len
);
1762 for(i
= 0; i
< len
; i
++) {
1763 ret
+= d
->drv
->chr_write(d
->drv
, buf
+i
, 1);
1764 if (buf
[i
] == '\n') {
1770 if (term_timestamps_start
== -1)
1771 term_timestamps_start
= ti
;
1772 ti
-= term_timestamps_start
;
1773 secs
= ti
/ 1000000000;
1774 snprintf(buf1
, sizeof(buf1
),
1775 "[%02d:%02d:%02d.%03d] ",
1779 (int)((ti
/ 1000000) % 1000));
1780 d
->drv
->chr_write(d
->drv
, (uint8_t *)buf1
, strlen(buf1
));
1787 static char *mux_help
[] = {
1788 "% h print this help\n\r",
1789 "% x exit emulator\n\r",
1790 "% s save disk data back to file (if -snapshot)\n\r",
1791 "% t toggle console timestamps\n\r"
1792 "% b send break (magic sysrq)\n\r",
1793 "% c switch between console and monitor\n\r",
1798 static int term_escape_char
= 0x01; /* ctrl-a is used for escape */
1799 static void mux_print_help(CharDriverState
*chr
)
1802 char ebuf
[15] = "Escape-Char";
1803 char cbuf
[50] = "\n\r";
1805 if (term_escape_char
> 0 && term_escape_char
< 26) {
1806 sprintf(cbuf
,"\n\r");
1807 sprintf(ebuf
,"C-%c", term_escape_char
- 1 + 'a');
1809 sprintf(cbuf
,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1812 chr
->chr_write(chr
, (uint8_t *)cbuf
, strlen(cbuf
));
1813 for (i
= 0; mux_help
[i
] != NULL
; i
++) {
1814 for (j
=0; mux_help
[i
][j
] != '\0'; j
++) {
1815 if (mux_help
[i
][j
] == '%')
1816 chr
->chr_write(chr
, (uint8_t *)ebuf
, strlen(ebuf
));
1818 chr
->chr_write(chr
, (uint8_t *)&mux_help
[i
][j
], 1);
1823 static int mux_proc_byte(CharDriverState
*chr
, MuxDriver
*d
, int ch
)
1825 if (d
->term_got_escape
) {
1826 d
->term_got_escape
= 0;
1827 if (ch
== term_escape_char
)
1832 mux_print_help(chr
);
1836 char *term
= "QEMU: Terminated\n\r";
1837 chr
->chr_write(chr
,(uint8_t *)term
,strlen(term
));
1844 for (i
= 0; i
< nb_drives
; i
++) {
1845 bdrv_commit(drives_table
[i
].bdrv
);
1850 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
1853 /* Switch to the next registered device */
1855 if (chr
->focus
>= d
->mux_cnt
)
1859 term_timestamps
= !term_timestamps
;
1860 term_timestamps_start
= -1;
1863 } else if (ch
== term_escape_char
) {
1864 d
->term_got_escape
= 1;
1872 static void mux_chr_accept_input(CharDriverState
*chr
)
1875 MuxDriver
*d
= chr
->opaque
;
1877 while (d
->prod
!= d
->cons
&&
1878 d
->chr_can_read
[m
] &&
1879 d
->chr_can_read
[m
](d
->ext_opaque
[m
])) {
1880 d
->chr_read
[m
](d
->ext_opaque
[m
],
1881 &d
->buffer
[d
->cons
++ & MUX_BUFFER_MASK
], 1);
1885 static int mux_chr_can_read(void *opaque
)
1887 CharDriverState
*chr
= opaque
;
1888 MuxDriver
*d
= chr
->opaque
;
1890 if ((d
->prod
- d
->cons
) < MUX_BUFFER_SIZE
)
1892 if (d
->chr_can_read
[chr
->focus
])
1893 return d
->chr_can_read
[chr
->focus
](d
->ext_opaque
[chr
->focus
]);
1897 static void mux_chr_read(void *opaque
, const uint8_t *buf
, int size
)
1899 CharDriverState
*chr
= opaque
;
1900 MuxDriver
*d
= chr
->opaque
;
1904 mux_chr_accept_input (opaque
);
1906 for(i
= 0; i
< size
; i
++)
1907 if (mux_proc_byte(chr
, d
, buf
[i
])) {
1908 if (d
->prod
== d
->cons
&&
1909 d
->chr_can_read
[m
] &&
1910 d
->chr_can_read
[m
](d
->ext_opaque
[m
]))
1911 d
->chr_read
[m
](d
->ext_opaque
[m
], &buf
[i
], 1);
1913 d
->buffer
[d
->prod
++ & MUX_BUFFER_MASK
] = buf
[i
];
1917 static void mux_chr_event(void *opaque
, int event
)
1919 CharDriverState
*chr
= opaque
;
1920 MuxDriver
*d
= chr
->opaque
;
1923 /* Send the event to all registered listeners */
1924 for (i
= 0; i
< d
->mux_cnt
; i
++)
1925 if (d
->chr_event
[i
])
1926 d
->chr_event
[i
](d
->ext_opaque
[i
], event
);
1929 static void mux_chr_update_read_handler(CharDriverState
*chr
)
1931 MuxDriver
*d
= chr
->opaque
;
1933 if (d
->mux_cnt
>= MAX_MUX
) {
1934 fprintf(stderr
, "Cannot add I/O handlers, MUX array is full\n");
1937 d
->ext_opaque
[d
->mux_cnt
] = chr
->handler_opaque
;
1938 d
->chr_can_read
[d
->mux_cnt
] = chr
->chr_can_read
;
1939 d
->chr_read
[d
->mux_cnt
] = chr
->chr_read
;
1940 d
->chr_event
[d
->mux_cnt
] = chr
->chr_event
;
1941 /* Fix up the real driver with mux routines */
1942 if (d
->mux_cnt
== 0) {
1943 qemu_chr_add_handlers(d
->drv
, mux_chr_can_read
, mux_chr_read
,
1944 mux_chr_event
, chr
);
1946 chr
->focus
= d
->mux_cnt
;
1950 static CharDriverState
*qemu_chr_open_mux(CharDriverState
*drv
)
1952 CharDriverState
*chr
;
1955 chr
= qemu_mallocz(sizeof(CharDriverState
));
1958 d
= qemu_mallocz(sizeof(MuxDriver
));
1967 chr
->chr_write
= mux_chr_write
;
1968 chr
->chr_update_read_handler
= mux_chr_update_read_handler
;
1969 chr
->chr_accept_input
= mux_chr_accept_input
;
1976 static void socket_cleanup(void)
1981 static int socket_init(void)
1986 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1988 err
= WSAGetLastError();
1989 fprintf(stderr
, "WSAStartup: %d\n", err
);
1992 atexit(socket_cleanup
);
1996 static int send_all(int fd
, const uint8_t *buf
, int len1
)
2002 ret
= send(fd
, buf
, len
, 0);
2005 errno
= WSAGetLastError();
2006 if (errno
!= WSAEWOULDBLOCK
) {
2009 } else if (ret
== 0) {
2019 void socket_set_nonblock(int fd
)
2021 unsigned long opt
= 1;
2022 ioctlsocket(fd
, FIONBIO
, &opt
);
2027 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
2033 ret
= write(fd
, buf
, len
);
2035 if (errno
!= EINTR
&& errno
!= EAGAIN
)
2037 } else if (ret
== 0) {
2047 static inline int send_all(int fd
, const uint8_t *buf
, int len1
)
2049 return unix_write(fd
, buf
, len1
);
2052 void socket_set_nonblock(int fd
)
2054 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2056 #endif /* !_WIN32 */
2065 #define STDIO_MAX_CLIENTS 1
2066 static int stdio_nb_clients
= 0;
2068 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2070 FDCharDriver
*s
= chr
->opaque
;
2071 return unix_write(s
->fd_out
, buf
, len
);
2074 static int fd_chr_read_poll(void *opaque
)
2076 CharDriverState
*chr
= opaque
;
2077 FDCharDriver
*s
= chr
->opaque
;
2079 s
->max_size
= qemu_chr_can_read(chr
);
2083 static void fd_chr_read(void *opaque
)
2085 CharDriverState
*chr
= opaque
;
2086 FDCharDriver
*s
= chr
->opaque
;
2091 if (len
> s
->max_size
)
2095 size
= read(s
->fd_in
, buf
, len
);
2097 /* FD has been closed. Remove it from the active list. */
2098 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2102 qemu_chr_read(chr
, buf
, size
);
2106 static void fd_chr_update_read_handler(CharDriverState
*chr
)
2108 FDCharDriver
*s
= chr
->opaque
;
2110 if (s
->fd_in
>= 0) {
2111 if (nographic
&& s
->fd_in
== 0) {
2113 qemu_set_fd_handler2(s
->fd_in
, fd_chr_read_poll
,
2114 fd_chr_read
, NULL
, chr
);
2119 static void fd_chr_close(struct CharDriverState
*chr
)
2121 FDCharDriver
*s
= chr
->opaque
;
2123 if (s
->fd_in
>= 0) {
2124 if (nographic
&& s
->fd_in
== 0) {
2126 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2133 /* open a character device to a unix fd */
2134 static CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
2136 CharDriverState
*chr
;
2139 chr
= qemu_mallocz(sizeof(CharDriverState
));
2142 s
= qemu_mallocz(sizeof(FDCharDriver
));
2150 chr
->chr_write
= fd_chr_write
;
2151 chr
->chr_update_read_handler
= fd_chr_update_read_handler
;
2152 chr
->chr_close
= fd_chr_close
;
2154 qemu_chr_reset(chr
);
2159 static CharDriverState
*qemu_chr_open_file_out(const char *file_out
)
2163 TFR(fd_out
= open(file_out
, O_WRONLY
| O_TRUNC
| O_CREAT
| O_BINARY
, 0666));
2166 return qemu_chr_open_fd(-1, fd_out
);
2169 static CharDriverState
*qemu_chr_open_pipe(const char *filename
)
2172 char filename_in
[256], filename_out
[256];
2174 snprintf(filename_in
, 256, "%s.in", filename
);
2175 snprintf(filename_out
, 256, "%s.out", filename
);
2176 TFR(fd_in
= open(filename_in
, O_RDWR
| O_BINARY
));
2177 TFR(fd_out
= open(filename_out
, O_RDWR
| O_BINARY
));
2178 if (fd_in
< 0 || fd_out
< 0) {
2183 TFR(fd_in
= fd_out
= open(filename
, O_RDWR
| O_BINARY
));
2187 return qemu_chr_open_fd(fd_in
, fd_out
);
2191 /* for STDIO, we handle the case where several clients use it
2194 #define TERM_FIFO_MAX_SIZE 1
2196 static uint8_t term_fifo
[TERM_FIFO_MAX_SIZE
];
2197 static int term_fifo_size
;
2199 static int stdio_read_poll(void *opaque
)
2201 CharDriverState
*chr
= opaque
;
2203 /* try to flush the queue if needed */
2204 if (term_fifo_size
!= 0 && qemu_chr_can_read(chr
) > 0) {
2205 qemu_chr_read(chr
, term_fifo
, 1);
2208 /* see if we can absorb more chars */
2209 if (term_fifo_size
== 0)
2215 static void stdio_read(void *opaque
)
2219 CharDriverState
*chr
= opaque
;
2221 size
= read(0, buf
, 1);
2223 /* stdin has been closed. Remove it from the active list. */
2224 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2228 if (qemu_chr_can_read(chr
) > 0) {
2229 qemu_chr_read(chr
, buf
, 1);
2230 } else if (term_fifo_size
== 0) {
2231 term_fifo
[term_fifo_size
++] = buf
[0];
2236 /* init terminal so that we can grab keys */
2237 static struct termios oldtty
;
2238 static int old_fd0_flags
;
2239 static int term_atexit_done
;
2241 static void term_exit(void)
2243 tcsetattr (0, TCSANOW
, &oldtty
);
2244 fcntl(0, F_SETFL
, old_fd0_flags
);
2247 static void term_init(void)
2251 tcgetattr (0, &tty
);
2253 old_fd0_flags
= fcntl(0, F_GETFL
);
2255 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2256 |INLCR
|IGNCR
|ICRNL
|IXON
);
2257 tty
.c_oflag
|= OPOST
;
2258 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
2259 /* if graphical mode, we allow Ctrl-C handling */
2261 tty
.c_lflag
&= ~ISIG
;
2262 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
2265 tty
.c_cc
[VTIME
] = 0;
2267 tcsetattr (0, TCSANOW
, &tty
);
2269 if (!term_atexit_done
++)
2272 fcntl(0, F_SETFL
, O_NONBLOCK
);
2275 static void qemu_chr_close_stdio(struct CharDriverState
*chr
)
2279 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2283 static CharDriverState
*qemu_chr_open_stdio(void)
2285 CharDriverState
*chr
;
2287 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
2289 chr
= qemu_chr_open_fd(0, 1);
2290 chr
->chr_close
= qemu_chr_close_stdio
;
2291 qemu_set_fd_handler2(0, stdio_read_poll
, stdio_read
, NULL
, chr
);
2298 #if defined(__linux__) || defined(__sun__)
2299 static CharDriverState
*qemu_chr_open_pty(void)
2302 char slave_name
[1024];
2303 int master_fd
, slave_fd
;
2305 #if defined(__linux__)
2306 /* Not satisfying */
2307 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
2312 /* Disabling local echo and line-buffered output */
2313 tcgetattr (master_fd
, &tty
);
2314 tty
.c_lflag
&= ~(ECHO
|ICANON
|ISIG
);
2316 tty
.c_cc
[VTIME
] = 0;
2317 tcsetattr (master_fd
, TCSAFLUSH
, &tty
);
2319 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
2320 return qemu_chr_open_fd(master_fd
, master_fd
);
2323 static void tty_serial_init(int fd
, int speed
,
2324 int parity
, int data_bits
, int stop_bits
)
2330 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2331 speed
, parity
, data_bits
, stop_bits
);
2333 tcgetattr (fd
, &tty
);
2336 if (speed
<= 50 * MARGIN
)
2338 else if (speed
<= 75 * MARGIN
)
2340 else if (speed
<= 300 * MARGIN
)
2342 else if (speed
<= 600 * MARGIN
)
2344 else if (speed
<= 1200 * MARGIN
)
2346 else if (speed
<= 2400 * MARGIN
)
2348 else if (speed
<= 4800 * MARGIN
)
2350 else if (speed
<= 9600 * MARGIN
)
2352 else if (speed
<= 19200 * MARGIN
)
2354 else if (speed
<= 38400 * MARGIN
)
2356 else if (speed
<= 57600 * MARGIN
)
2358 else if (speed
<= 115200 * MARGIN
)
2363 cfsetispeed(&tty
, spd
);
2364 cfsetospeed(&tty
, spd
);
2366 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2367 |INLCR
|IGNCR
|ICRNL
|IXON
);
2368 tty
.c_oflag
|= OPOST
;
2369 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
|ISIG
);
2370 tty
.c_cflag
&= ~(CSIZE
|PARENB
|PARODD
|CRTSCTS
|CSTOPB
);
2391 tty
.c_cflag
|= PARENB
;
2394 tty
.c_cflag
|= PARENB
| PARODD
;
2398 tty
.c_cflag
|= CSTOPB
;
2400 tcsetattr (fd
, TCSANOW
, &tty
);
2403 static int tty_serial_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2405 FDCharDriver
*s
= chr
->opaque
;
2408 case CHR_IOCTL_SERIAL_SET_PARAMS
:
2410 QEMUSerialSetParams
*ssp
= arg
;
2411 tty_serial_init(s
->fd_in
, ssp
->speed
, ssp
->parity
,
2412 ssp
->data_bits
, ssp
->stop_bits
);
2415 case CHR_IOCTL_SERIAL_SET_BREAK
:
2417 int enable
= *(int *)arg
;
2419 tcsendbreak(s
->fd_in
, 1);
2428 static CharDriverState
*qemu_chr_open_tty(const char *filename
)
2430 CharDriverState
*chr
;
2433 TFR(fd
= open(filename
, O_RDWR
| O_NONBLOCK
));
2434 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2435 tty_serial_init(fd
, 115200, 'N', 8, 1);
2436 chr
= qemu_chr_open_fd(fd
, fd
);
2441 chr
->chr_ioctl
= tty_serial_ioctl
;
2442 qemu_chr_reset(chr
);
2445 #else /* ! __linux__ && ! __sun__ */
2446 static CharDriverState
*qemu_chr_open_pty(void)
2450 #endif /* __linux__ || __sun__ */
2452 #if defined(__linux__)
2456 } ParallelCharDriver
;
2458 static int pp_hw_mode(ParallelCharDriver
*s
, uint16_t mode
)
2460 if (s
->mode
!= mode
) {
2462 if (ioctl(s
->fd
, PPSETMODE
, &m
) < 0)
2469 static int pp_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2471 ParallelCharDriver
*drv
= chr
->opaque
;
2476 case CHR_IOCTL_PP_READ_DATA
:
2477 if (ioctl(fd
, PPRDATA
, &b
) < 0)
2479 *(uint8_t *)arg
= b
;
2481 case CHR_IOCTL_PP_WRITE_DATA
:
2482 b
= *(uint8_t *)arg
;
2483 if (ioctl(fd
, PPWDATA
, &b
) < 0)
2486 case CHR_IOCTL_PP_READ_CONTROL
:
2487 if (ioctl(fd
, PPRCONTROL
, &b
) < 0)
2489 /* Linux gives only the lowest bits, and no way to know data
2490 direction! For better compatibility set the fixed upper
2492 *(uint8_t *)arg
= b
| 0xc0;
2494 case CHR_IOCTL_PP_WRITE_CONTROL
:
2495 b
= *(uint8_t *)arg
;
2496 if (ioctl(fd
, PPWCONTROL
, &b
) < 0)
2499 case CHR_IOCTL_PP_READ_STATUS
:
2500 if (ioctl(fd
, PPRSTATUS
, &b
) < 0)
2502 *(uint8_t *)arg
= b
;
2504 case CHR_IOCTL_PP_EPP_READ_ADDR
:
2505 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2506 struct ParallelIOArg
*parg
= arg
;
2507 int n
= read(fd
, parg
->buffer
, parg
->count
);
2508 if (n
!= parg
->count
) {
2513 case CHR_IOCTL_PP_EPP_READ
:
2514 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2515 struct ParallelIOArg
*parg
= arg
;
2516 int n
= read(fd
, parg
->buffer
, parg
->count
);
2517 if (n
!= parg
->count
) {
2522 case CHR_IOCTL_PP_EPP_WRITE_ADDR
:
2523 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2524 struct ParallelIOArg
*parg
= arg
;
2525 int n
= write(fd
, parg
->buffer
, parg
->count
);
2526 if (n
!= parg
->count
) {
2531 case CHR_IOCTL_PP_EPP_WRITE
:
2532 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2533 struct ParallelIOArg
*parg
= arg
;
2534 int n
= write(fd
, parg
->buffer
, parg
->count
);
2535 if (n
!= parg
->count
) {
2546 static void pp_close(CharDriverState
*chr
)
2548 ParallelCharDriver
*drv
= chr
->opaque
;
2551 pp_hw_mode(drv
, IEEE1284_MODE_COMPAT
);
2552 ioctl(fd
, PPRELEASE
);
2557 static CharDriverState
*qemu_chr_open_pp(const char *filename
)
2559 CharDriverState
*chr
;
2560 ParallelCharDriver
*drv
;
2563 TFR(fd
= open(filename
, O_RDWR
));
2567 if (ioctl(fd
, PPCLAIM
) < 0) {
2572 drv
= qemu_mallocz(sizeof(ParallelCharDriver
));
2578 drv
->mode
= IEEE1284_MODE_COMPAT
;
2580 chr
= qemu_mallocz(sizeof(CharDriverState
));
2586 chr
->chr_write
= null_chr_write
;
2587 chr
->chr_ioctl
= pp_ioctl
;
2588 chr
->chr_close
= pp_close
;
2591 qemu_chr_reset(chr
);
2595 #endif /* __linux__ */
2601 HANDLE hcom
, hrecv
, hsend
;
2602 OVERLAPPED orecv
, osend
;
2607 #define NSENDBUF 2048
2608 #define NRECVBUF 2048
2609 #define MAXCONNECT 1
2610 #define NTIMEOUT 5000
2612 static int win_chr_poll(void *opaque
);
2613 static int win_chr_pipe_poll(void *opaque
);
2615 static void win_chr_close(CharDriverState
*chr
)
2617 WinCharState
*s
= chr
->opaque
;
2620 CloseHandle(s
->hsend
);
2624 CloseHandle(s
->hrecv
);
2628 CloseHandle(s
->hcom
);
2632 qemu_del_polling_cb(win_chr_pipe_poll
, chr
);
2634 qemu_del_polling_cb(win_chr_poll
, chr
);
2637 static int win_chr_init(CharDriverState
*chr
, const char *filename
)
2639 WinCharState
*s
= chr
->opaque
;
2641 COMMTIMEOUTS cto
= { 0, 0, 0, 0, 0};
2646 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2648 fprintf(stderr
, "Failed CreateEvent\n");
2651 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2653 fprintf(stderr
, "Failed CreateEvent\n");
2657 s
->hcom
= CreateFile(filename
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
,
2658 OPEN_EXISTING
, FILE_FLAG_OVERLAPPED
, 0);
2659 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2660 fprintf(stderr
, "Failed CreateFile (%lu)\n", GetLastError());
2665 if (!SetupComm(s
->hcom
, NRECVBUF
, NSENDBUF
)) {
2666 fprintf(stderr
, "Failed SetupComm\n");
2670 ZeroMemory(&comcfg
, sizeof(COMMCONFIG
));
2671 size
= sizeof(COMMCONFIG
);
2672 GetDefaultCommConfig(filename
, &comcfg
, &size
);
2673 comcfg
.dcb
.DCBlength
= sizeof(DCB
);
2674 CommConfigDialog(filename
, NULL
, &comcfg
);
2676 if (!SetCommState(s
->hcom
, &comcfg
.dcb
)) {
2677 fprintf(stderr
, "Failed SetCommState\n");
2681 if (!SetCommMask(s
->hcom
, EV_ERR
)) {
2682 fprintf(stderr
, "Failed SetCommMask\n");
2686 cto
.ReadIntervalTimeout
= MAXDWORD
;
2687 if (!SetCommTimeouts(s
->hcom
, &cto
)) {
2688 fprintf(stderr
, "Failed SetCommTimeouts\n");
2692 if (!ClearCommError(s
->hcom
, &err
, &comstat
)) {
2693 fprintf(stderr
, "Failed ClearCommError\n");
2696 qemu_add_polling_cb(win_chr_poll
, chr
);
2704 static int win_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len1
)
2706 WinCharState
*s
= chr
->opaque
;
2707 DWORD len
, ret
, size
, err
;
2710 ZeroMemory(&s
->osend
, sizeof(s
->osend
));
2711 s
->osend
.hEvent
= s
->hsend
;
2714 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, &s
->osend
);
2716 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, NULL
);
2718 err
= GetLastError();
2719 if (err
== ERROR_IO_PENDING
) {
2720 ret
= GetOverlappedResult(s
->hcom
, &s
->osend
, &size
, TRUE
);
2738 static int win_chr_read_poll(CharDriverState
*chr
)
2740 WinCharState
*s
= chr
->opaque
;
2742 s
->max_size
= qemu_chr_can_read(chr
);
2746 static void win_chr_readfile(CharDriverState
*chr
)
2748 WinCharState
*s
= chr
->opaque
;
2753 ZeroMemory(&s
->orecv
, sizeof(s
->orecv
));
2754 s
->orecv
.hEvent
= s
->hrecv
;
2755 ret
= ReadFile(s
->hcom
, buf
, s
->len
, &size
, &s
->orecv
);
2757 err
= GetLastError();
2758 if (err
== ERROR_IO_PENDING
) {
2759 ret
= GetOverlappedResult(s
->hcom
, &s
->orecv
, &size
, TRUE
);
2764 qemu_chr_read(chr
, buf
, size
);
2768 static void win_chr_read(CharDriverState
*chr
)
2770 WinCharState
*s
= chr
->opaque
;
2772 if (s
->len
> s
->max_size
)
2773 s
->len
= s
->max_size
;
2777 win_chr_readfile(chr
);
2780 static int win_chr_poll(void *opaque
)
2782 CharDriverState
*chr
= opaque
;
2783 WinCharState
*s
= chr
->opaque
;
2787 ClearCommError(s
->hcom
, &comerr
, &status
);
2788 if (status
.cbInQue
> 0) {
2789 s
->len
= status
.cbInQue
;
2790 win_chr_read_poll(chr
);
2797 static CharDriverState
*qemu_chr_open_win(const char *filename
)
2799 CharDriverState
*chr
;
2802 chr
= qemu_mallocz(sizeof(CharDriverState
));
2805 s
= qemu_mallocz(sizeof(WinCharState
));
2811 chr
->chr_write
= win_chr_write
;
2812 chr
->chr_close
= win_chr_close
;
2814 if (win_chr_init(chr
, filename
) < 0) {
2819 qemu_chr_reset(chr
);
2823 static int win_chr_pipe_poll(void *opaque
)
2825 CharDriverState
*chr
= opaque
;
2826 WinCharState
*s
= chr
->opaque
;
2829 PeekNamedPipe(s
->hcom
, NULL
, 0, NULL
, &size
, NULL
);
2832 win_chr_read_poll(chr
);
2839 static int win_chr_pipe_init(CharDriverState
*chr
, const char *filename
)
2841 WinCharState
*s
= chr
->opaque
;
2849 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2851 fprintf(stderr
, "Failed CreateEvent\n");
2854 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2856 fprintf(stderr
, "Failed CreateEvent\n");
2860 snprintf(openname
, sizeof(openname
), "\\\\.\\pipe\\%s", filename
);
2861 s
->hcom
= CreateNamedPipe(openname
, PIPE_ACCESS_DUPLEX
| FILE_FLAG_OVERLAPPED
,
2862 PIPE_TYPE_BYTE
| PIPE_READMODE_BYTE
|
2864 MAXCONNECT
, NSENDBUF
, NRECVBUF
, NTIMEOUT
, NULL
);
2865 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2866 fprintf(stderr
, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2871 ZeroMemory(&ov
, sizeof(ov
));
2872 ov
.hEvent
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2873 ret
= ConnectNamedPipe(s
->hcom
, &ov
);
2875 fprintf(stderr
, "Failed ConnectNamedPipe\n");
2879 ret
= GetOverlappedResult(s
->hcom
, &ov
, &size
, TRUE
);
2881 fprintf(stderr
, "Failed GetOverlappedResult\n");
2883 CloseHandle(ov
.hEvent
);
2890 CloseHandle(ov
.hEvent
);
2893 qemu_add_polling_cb(win_chr_pipe_poll
, chr
);
2902 static CharDriverState
*qemu_chr_open_win_pipe(const char *filename
)
2904 CharDriverState
*chr
;
2907 chr
= qemu_mallocz(sizeof(CharDriverState
));
2910 s
= qemu_mallocz(sizeof(WinCharState
));
2916 chr
->chr_write
= win_chr_write
;
2917 chr
->chr_close
= win_chr_close
;
2919 if (win_chr_pipe_init(chr
, filename
) < 0) {
2924 qemu_chr_reset(chr
);
2928 static CharDriverState
*qemu_chr_open_win_file(HANDLE fd_out
)
2930 CharDriverState
*chr
;
2933 chr
= qemu_mallocz(sizeof(CharDriverState
));
2936 s
= qemu_mallocz(sizeof(WinCharState
));
2943 chr
->chr_write
= win_chr_write
;
2944 qemu_chr_reset(chr
);
2948 static CharDriverState
*qemu_chr_open_win_con(const char *filename
)
2950 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE
));
2953 static CharDriverState
*qemu_chr_open_win_file_out(const char *file_out
)
2957 fd_out
= CreateFile(file_out
, GENERIC_WRITE
, FILE_SHARE_READ
, NULL
,
2958 OPEN_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL
);
2959 if (fd_out
== INVALID_HANDLE_VALUE
)
2962 return qemu_chr_open_win_file(fd_out
);
2964 #endif /* !_WIN32 */
2966 /***********************************************************/
2967 /* UDP Net console */
2971 struct sockaddr_in daddr
;
2978 static int udp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2980 NetCharDriver
*s
= chr
->opaque
;
2982 return sendto(s
->fd
, buf
, len
, 0,
2983 (struct sockaddr
*)&s
->daddr
, sizeof(struct sockaddr_in
));
2986 static int udp_chr_read_poll(void *opaque
)
2988 CharDriverState
*chr
= opaque
;
2989 NetCharDriver
*s
= chr
->opaque
;
2991 s
->max_size
= qemu_chr_can_read(chr
);
2993 /* If there were any stray characters in the queue process them
2996 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
2997 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
2999 s
->max_size
= qemu_chr_can_read(chr
);
3004 static void udp_chr_read(void *opaque
)
3006 CharDriverState
*chr
= opaque
;
3007 NetCharDriver
*s
= chr
->opaque
;
3009 if (s
->max_size
== 0)
3011 s
->bufcnt
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
3012 s
->bufptr
= s
->bufcnt
;
3017 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
3018 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
3020 s
->max_size
= qemu_chr_can_read(chr
);
3024 static void udp_chr_update_read_handler(CharDriverState
*chr
)
3026 NetCharDriver
*s
= chr
->opaque
;
3029 qemu_set_fd_handler2(s
->fd
, udp_chr_read_poll
,
3030 udp_chr_read
, NULL
, chr
);
3035 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
);
3037 int parse_host_src_port(struct sockaddr_in
*haddr
,
3038 struct sockaddr_in
*saddr
,
3041 static CharDriverState
*qemu_chr_open_udp(const char *def
)
3043 CharDriverState
*chr
= NULL
;
3044 NetCharDriver
*s
= NULL
;
3046 struct sockaddr_in saddr
;
3048 chr
= qemu_mallocz(sizeof(CharDriverState
));
3051 s
= qemu_mallocz(sizeof(NetCharDriver
));
3055 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
3057 perror("socket(PF_INET, SOCK_DGRAM)");
3061 if (parse_host_src_port(&s
->daddr
, &saddr
, def
) < 0) {
3062 printf("Could not parse: %s\n", def
);
3066 if (bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
)) < 0)
3076 chr
->chr_write
= udp_chr_write
;
3077 chr
->chr_update_read_handler
= udp_chr_update_read_handler
;
3090 /***********************************************************/
3091 /* TCP Net console */
3102 static void tcp_chr_accept(void *opaque
);
3104 static int tcp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
3106 TCPCharDriver
*s
= chr
->opaque
;
3108 return send_all(s
->fd
, buf
, len
);
3110 /* XXX: indicate an error ? */
3115 static int tcp_chr_read_poll(void *opaque
)
3117 CharDriverState
*chr
= opaque
;
3118 TCPCharDriver
*s
= chr
->opaque
;
3121 s
->max_size
= qemu_chr_can_read(chr
);
3126 #define IAC_BREAK 243
3127 static void tcp_chr_process_IAC_bytes(CharDriverState
*chr
,
3129 uint8_t *buf
, int *size
)
3131 /* Handle any telnet client's basic IAC options to satisfy char by
3132 * char mode with no echo. All IAC options will be removed from
3133 * the buf and the do_telnetopt variable will be used to track the
3134 * state of the width of the IAC information.
3136 * IAC commands come in sets of 3 bytes with the exception of the
3137 * "IAC BREAK" command and the double IAC.
3143 for (i
= 0; i
< *size
; i
++) {
3144 if (s
->do_telnetopt
> 1) {
3145 if ((unsigned char)buf
[i
] == IAC
&& s
->do_telnetopt
== 2) {
3146 /* Double IAC means send an IAC */
3150 s
->do_telnetopt
= 1;
3152 if ((unsigned char)buf
[i
] == IAC_BREAK
&& s
->do_telnetopt
== 2) {
3153 /* Handle IAC break commands by sending a serial break */
3154 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
3159 if (s
->do_telnetopt
>= 4) {
3160 s
->do_telnetopt
= 1;
3163 if ((unsigned char)buf
[i
] == IAC
) {
3164 s
->do_telnetopt
= 2;
3175 static void tcp_chr_read(void *opaque
)
3177 CharDriverState
*chr
= opaque
;
3178 TCPCharDriver
*s
= chr
->opaque
;
3182 if (!s
->connected
|| s
->max_size
<= 0)
3185 if (len
> s
->max_size
)
3187 size
= recv(s
->fd
, buf
, len
, 0);
3189 /* connection closed */
3191 if (s
->listen_fd
>= 0) {
3192 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3194 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
3197 } else if (size
> 0) {
3198 if (s
->do_telnetopt
)
3199 tcp_chr_process_IAC_bytes(chr
, s
, buf
, &size
);
3201 qemu_chr_read(chr
, buf
, size
);
3205 static void tcp_chr_connect(void *opaque
)
3207 CharDriverState
*chr
= opaque
;
3208 TCPCharDriver
*s
= chr
->opaque
;
3211 qemu_set_fd_handler2(s
->fd
, tcp_chr_read_poll
,
3212 tcp_chr_read
, NULL
, chr
);
3213 qemu_chr_reset(chr
);
3216 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3217 static void tcp_chr_telnet_init(int fd
)
3220 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3221 IACSET(buf
, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
3222 send(fd
, (char *)buf
, 3, 0);
3223 IACSET(buf
, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
3224 send(fd
, (char *)buf
, 3, 0);
3225 IACSET(buf
, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
3226 send(fd
, (char *)buf
, 3, 0);
3227 IACSET(buf
, 0xff, 0xfd, 0x00); /* IAC DO Binary */
3228 send(fd
, (char *)buf
, 3, 0);
3231 static void socket_set_nodelay(int fd
)
3234 setsockopt(fd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&val
, sizeof(val
));
3237 static void tcp_chr_accept(void *opaque
)
3239 CharDriverState
*chr
= opaque
;
3240 TCPCharDriver
*s
= chr
->opaque
;
3241 struct sockaddr_in saddr
;
3243 struct sockaddr_un uaddr
;
3245 struct sockaddr
*addr
;
3252 len
= sizeof(uaddr
);
3253 addr
= (struct sockaddr
*)&uaddr
;
3257 len
= sizeof(saddr
);
3258 addr
= (struct sockaddr
*)&saddr
;
3260 fd
= accept(s
->listen_fd
, addr
, &len
);
3261 if (fd
< 0 && errno
!= EINTR
) {
3263 } else if (fd
>= 0) {
3264 if (s
->do_telnetopt
)
3265 tcp_chr_telnet_init(fd
);
3269 socket_set_nonblock(fd
);
3271 socket_set_nodelay(fd
);
3273 qemu_set_fd_handler(s
->listen_fd
, NULL
, NULL
, NULL
);
3274 tcp_chr_connect(chr
);
3277 static void tcp_chr_close(CharDriverState
*chr
)
3279 TCPCharDriver
*s
= chr
->opaque
;
3282 if (s
->listen_fd
>= 0)
3283 closesocket(s
->listen_fd
);
3287 static CharDriverState
*qemu_chr_open_tcp(const char *host_str
,
3291 CharDriverState
*chr
= NULL
;
3292 TCPCharDriver
*s
= NULL
;
3293 int fd
= -1, ret
, err
, val
;
3295 int is_waitconnect
= 1;
3298 struct sockaddr_in saddr
;
3300 struct sockaddr_un uaddr
;
3302 struct sockaddr
*addr
;
3307 addr
= (struct sockaddr
*)&uaddr
;
3308 addrlen
= sizeof(uaddr
);
3309 if (parse_unix_path(&uaddr
, host_str
) < 0)
3314 addr
= (struct sockaddr
*)&saddr
;
3315 addrlen
= sizeof(saddr
);
3316 if (parse_host_port(&saddr
, host_str
) < 0)
3321 while((ptr
= strchr(ptr
,','))) {
3323 if (!strncmp(ptr
,"server",6)) {
3325 } else if (!strncmp(ptr
,"nowait",6)) {
3327 } else if (!strncmp(ptr
,"nodelay",6)) {
3330 printf("Unknown option: %s\n", ptr
);
3337 chr
= qemu_mallocz(sizeof(CharDriverState
));
3340 s
= qemu_mallocz(sizeof(TCPCharDriver
));
3346 fd
= socket(PF_UNIX
, SOCK_STREAM
, 0);
3349 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
3354 if (!is_waitconnect
)
3355 socket_set_nonblock(fd
);
3360 s
->is_unix
= is_unix
;
3361 s
->do_nodelay
= do_nodelay
&& !is_unix
;
3364 chr
->chr_write
= tcp_chr_write
;
3365 chr
->chr_close
= tcp_chr_close
;
3368 /* allow fast reuse */
3372 strncpy(path
, uaddr
.sun_path
, 108);
3379 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
3382 ret
= bind(fd
, addr
, addrlen
);
3386 ret
= listen(fd
, 0);
3391 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3393 s
->do_telnetopt
= 1;
3396 ret
= connect(fd
, addr
, addrlen
);
3398 err
= socket_error();
3399 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
3400 } else if (err
== EINPROGRESS
) {
3403 } else if (err
== WSAEALREADY
) {
3415 socket_set_nodelay(fd
);
3417 tcp_chr_connect(chr
);
3419 qemu_set_fd_handler(s
->fd
, NULL
, tcp_chr_connect
, chr
);
3422 if (is_listen
&& is_waitconnect
) {
3423 printf("QEMU waiting for connection on: %s\n", host_str
);
3424 tcp_chr_accept(chr
);
3425 socket_set_nonblock(s
->listen_fd
);
3437 CharDriverState
*qemu_chr_open(const char *filename
)
3441 if (!strcmp(filename
, "vc")) {
3442 return text_console_init(&display_state
, 0);
3443 } else if (strstart(filename
, "vc:", &p
)) {
3444 return text_console_init(&display_state
, p
);
3445 } else if (!strcmp(filename
, "null")) {
3446 return qemu_chr_open_null();
3448 if (strstart(filename
, "tcp:", &p
)) {
3449 return qemu_chr_open_tcp(p
, 0, 0);
3451 if (strstart(filename
, "telnet:", &p
)) {
3452 return qemu_chr_open_tcp(p
, 1, 0);
3454 if (strstart(filename
, "udp:", &p
)) {
3455 return qemu_chr_open_udp(p
);
3457 if (strstart(filename
, "mon:", &p
)) {
3458 CharDriverState
*drv
= qemu_chr_open(p
);
3460 drv
= qemu_chr_open_mux(drv
);
3461 monitor_init(drv
, !nographic
);
3464 printf("Unable to open driver: %s\n", p
);
3468 if (strstart(filename
, "unix:", &p
)) {
3469 return qemu_chr_open_tcp(p
, 0, 1);
3470 } else if (strstart(filename
, "file:", &p
)) {
3471 return qemu_chr_open_file_out(p
);
3472 } else if (strstart(filename
, "pipe:", &p
)) {
3473 return qemu_chr_open_pipe(p
);
3474 } else if (!strcmp(filename
, "pty")) {
3475 return qemu_chr_open_pty();
3476 } else if (!strcmp(filename
, "stdio")) {
3477 return qemu_chr_open_stdio();
3479 #if defined(__linux__)
3480 if (strstart(filename
, "/dev/parport", NULL
)) {
3481 return qemu_chr_open_pp(filename
);
3484 #if defined(__linux__) || defined(__sun__)
3485 if (strstart(filename
, "/dev/", NULL
)) {
3486 return qemu_chr_open_tty(filename
);
3490 if (strstart(filename
, "COM", NULL
)) {
3491 return qemu_chr_open_win(filename
);
3493 if (strstart(filename
, "pipe:", &p
)) {
3494 return qemu_chr_open_win_pipe(p
);
3496 if (strstart(filename
, "con:", NULL
)) {
3497 return qemu_chr_open_win_con(filename
);
3499 if (strstart(filename
, "file:", &p
)) {
3500 return qemu_chr_open_win_file_out(p
);
3503 #ifdef CONFIG_BRLAPI
3504 if (!strcmp(filename
, "braille")) {
3505 return chr_baum_init();
3513 void qemu_chr_close(CharDriverState
*chr
)
3516 chr
->chr_close(chr
);
3520 /***********************************************************/
3521 /* network device redirectors */
3523 __attribute__ (( unused
))
3524 static void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
3528 for(i
=0;i
<size
;i
+=16) {
3532 fprintf(f
, "%08x ", i
);
3535 fprintf(f
, " %02x", buf
[i
+j
]);
3540 for(j
=0;j
<len
;j
++) {
3542 if (c
< ' ' || c
> '~')
3544 fprintf(f
, "%c", c
);
3550 static int parse_macaddr(uint8_t *macaddr
, const char *p
)
3557 offset
= strtol(p
, &last_char
, 0);
3558 if (0 == errno
&& '\0' == *last_char
&&
3559 offset
>= 0 && offset
<= 0xFFFFFF) {
3560 macaddr
[3] = (offset
& 0xFF0000) >> 16;
3561 macaddr
[4] = (offset
& 0xFF00) >> 8;
3562 macaddr
[5] = offset
& 0xFF;
3565 for(i
= 0; i
< 6; i
++) {
3566 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3571 if (*p
!= ':' && *p
!= '-')
3582 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
3587 p1
= strchr(p
, sep
);
3593 if (len
> buf_size
- 1)
3595 memcpy(buf
, p
, len
);
3602 int parse_host_src_port(struct sockaddr_in
*haddr
,
3603 struct sockaddr_in
*saddr
,
3604 const char *input_str
)
3606 char *str
= strdup(input_str
);
3607 char *host_str
= str
;
3612 * Chop off any extra arguments at the end of the string which
3613 * would start with a comma, then fill in the src port information
3614 * if it was provided else use the "any address" and "any port".
3616 if ((ptr
= strchr(str
,',')))
3619 if ((src_str
= strchr(input_str
,'@'))) {
3624 if (parse_host_port(haddr
, host_str
) < 0)
3627 if (!src_str
|| *src_str
== '\0')
3630 if (parse_host_port(saddr
, src_str
) < 0)
3641 int parse_host_port(struct sockaddr_in
*saddr
, const char *str
)
3649 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3651 saddr
->sin_family
= AF_INET
;
3652 if (buf
[0] == '\0') {
3653 saddr
->sin_addr
.s_addr
= 0;
3655 if (isdigit(buf
[0])) {
3656 if (!inet_aton(buf
, &saddr
->sin_addr
))
3659 if ((he
= gethostbyname(buf
)) == NULL
)
3661 saddr
->sin_addr
= *(struct in_addr
*)he
->h_addr
;
3664 port
= strtol(p
, (char **)&r
, 0);
3667 saddr
->sin_port
= htons(port
);
3672 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
)
3677 len
= MIN(108, strlen(str
));
3678 p
= strchr(str
, ',');
3680 len
= MIN(len
, p
- str
);
3682 memset(uaddr
, 0, sizeof(*uaddr
));
3684 uaddr
->sun_family
= AF_UNIX
;
3685 memcpy(uaddr
->sun_path
, str
, len
);
3691 /* find or alloc a new VLAN */
3692 VLANState
*qemu_find_vlan(int id
)
3694 VLANState
**pvlan
, *vlan
;
3695 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
3699 vlan
= qemu_mallocz(sizeof(VLANState
));
3704 pvlan
= &first_vlan
;
3705 while (*pvlan
!= NULL
)
3706 pvlan
= &(*pvlan
)->next
;
3711 VLANClientState
*qemu_new_vlan_client(VLANState
*vlan
,
3712 IOReadHandler
*fd_read
,
3713 IOCanRWHandler
*fd_can_read
,
3716 VLANClientState
*vc
, **pvc
;
3717 vc
= qemu_mallocz(sizeof(VLANClientState
));
3720 vc
->fd_read
= fd_read
;
3721 vc
->fd_can_read
= fd_can_read
;
3722 vc
->opaque
= opaque
;
3726 pvc
= &vlan
->first_client
;
3727 while (*pvc
!= NULL
)
3728 pvc
= &(*pvc
)->next
;
3733 int qemu_can_send_packet(VLANClientState
*vc1
)
3735 VLANState
*vlan
= vc1
->vlan
;
3736 VLANClientState
*vc
;
3738 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
3740 if (vc
->fd_can_read
&& vc
->fd_can_read(vc
->opaque
))
3747 void qemu_send_packet(VLANClientState
*vc1
, const uint8_t *buf
, int size
)
3749 VLANState
*vlan
= vc1
->vlan
;
3750 VLANClientState
*vc
;
3753 printf("vlan %d send:\n", vlan
->id
);
3754 hex_dump(stdout
, buf
, size
);
3756 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
3758 vc
->fd_read(vc
->opaque
, buf
, size
);
3763 #if defined(CONFIG_SLIRP)
3765 /* slirp network adapter */
3767 static int slirp_inited
;
3768 static VLANClientState
*slirp_vc
;
3770 int slirp_can_output(void)
3772 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
3775 void slirp_output(const uint8_t *pkt
, int pkt_len
)
3778 printf("slirp output:\n");
3779 hex_dump(stdout
, pkt
, pkt_len
);
3783 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
3786 static void slirp_receive(void *opaque
, const uint8_t *buf
, int size
)
3789 printf("slirp input:\n");
3790 hex_dump(stdout
, buf
, size
);
3792 slirp_input(buf
, size
);
3795 static int net_slirp_init(VLANState
*vlan
)
3797 if (!slirp_inited
) {
3801 slirp_vc
= qemu_new_vlan_client(vlan
,
3802 slirp_receive
, NULL
, NULL
);
3803 snprintf(slirp_vc
->info_str
, sizeof(slirp_vc
->info_str
), "user redirector");
3807 static void net_slirp_redir(const char *redir_str
)
3812 struct in_addr guest_addr
;
3813 int host_port
, guest_port
;
3815 if (!slirp_inited
) {
3821 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3823 if (!strcmp(buf
, "tcp")) {
3825 } else if (!strcmp(buf
, "udp")) {
3831 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3833 host_port
= strtol(buf
, &r
, 0);
3837 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3839 if (buf
[0] == '\0') {
3840 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
3842 if (!inet_aton(buf
, &guest_addr
))
3845 guest_port
= strtol(p
, &r
, 0);
3849 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
3850 fprintf(stderr
, "qemu: could not set up redirection\n");
3855 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3863 static void erase_dir(char *dir_name
)
3867 char filename
[1024];
3869 /* erase all the files in the directory */
3870 if ((d
= opendir(dir_name
)) != 0) {
3875 if (strcmp(de
->d_name
, ".") != 0 &&
3876 strcmp(de
->d_name
, "..") != 0) {
3877 snprintf(filename
, sizeof(filename
), "%s/%s",
3878 smb_dir
, de
->d_name
);
3879 if (unlink(filename
) != 0) /* is it a directory? */
3880 erase_dir(filename
);
3888 /* automatic user mode samba server configuration */
3889 static void smb_exit(void)
3894 /* automatic user mode samba server configuration */
3895 static void net_slirp_smb(const char *exported_dir
)
3897 char smb_conf
[1024];
3898 char smb_cmdline
[1024];
3901 if (!slirp_inited
) {
3906 /* XXX: better tmp dir construction */
3907 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
3908 if (mkdir(smb_dir
, 0700) < 0) {
3909 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
3912 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
3914 f
= fopen(smb_conf
, "w");
3916 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
3923 "socket address=127.0.0.1\n"
3924 "pid directory=%s\n"
3925 "lock directory=%s\n"
3926 "log file=%s/log.smbd\n"
3927 "smb passwd file=%s/smbpasswd\n"
3928 "security = share\n"
3943 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
3944 SMBD_COMMAND
, smb_conf
);
3946 slirp_add_exec(0, smb_cmdline
, 4, 139);
3949 #endif /* !defined(_WIN32) */
3950 void do_info_slirp(void)
3955 #endif /* CONFIG_SLIRP */
3957 #if !defined(_WIN32)
3959 typedef struct TAPState
{
3960 VLANClientState
*vc
;
3962 char down_script
[1024];
3966 static int tap_read_poll(void *opaque
)
3968 TAPState
*s
= opaque
;
3969 return (!s
->no_poll
);
3972 static void tap_receive(void *opaque
, const uint8_t *buf
, int size
)
3974 TAPState
*s
= opaque
;
3977 ret
= write(s
->fd
, buf
, size
);
3978 if (ret
< 0 && (errno
== EINTR
|| errno
== EAGAIN
)) {
3985 static void tap_send(void *opaque
)
3987 TAPState
*s
= opaque
;
3994 sbuf
.maxlen
= sizeof(buf
);
3996 size
= getmsg(s
->fd
, NULL
, &sbuf
, &f
) >=0 ? sbuf
.len
: -1;
3998 size
= read(s
->fd
, buf
, sizeof(buf
));
4001 qemu_send_packet(s
->vc
, buf
, size
);
4005 int hack_around_tap(void *opaque
)
4007 VLANClientState
*vc
= opaque
;
4008 TAPState
*ts
= vc
->opaque
;
4010 if (vc
->fd_read
!= tap_receive
)
4023 static TAPState
*net_tap_fd_init(VLANState
*vlan
, int fd
)
4027 s
= qemu_mallocz(sizeof(TAPState
));
4032 enable_sigio_timer(fd
);
4033 s
->vc
= qemu_new_vlan_client(vlan
, tap_receive
, NULL
, s
);
4034 qemu_set_fd_handler2(s
->fd
, tap_read_poll
, tap_send
, NULL
, s
);
4035 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "tap: fd=%d", fd
);
4039 #if defined (_BSD) || defined (__FreeBSD_kernel__)
4040 static int tap_open(char *ifname
, int ifname_size
)
4046 TFR(fd
= open("/dev/tap", O_RDWR
));
4048 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
4053 dev
= devname(s
.st_rdev
, S_IFCHR
);
4054 pstrcpy(ifname
, ifname_size
, dev
);
4056 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4059 #elif defined(__sun__)
4060 #define TUNNEWPPA (('T'<<16) | 0x0001)
4062 * Allocate TAP device, returns opened fd.
4063 * Stores dev name in the first arg(must be large enough).
4065 int tap_alloc(char *dev
)
4067 int tap_fd
, if_fd
, ppa
= -1;
4068 static int ip_fd
= 0;
4071 static int arp_fd
= 0;
4072 int ip_muxid
, arp_muxid
;
4073 struct strioctl strioc_if
, strioc_ppa
;
4074 int link_type
= I_PLINK
;;
4076 char actual_name
[32] = "";
4078 memset(&ifr
, 0x0, sizeof(ifr
));
4082 while( *ptr
&& !isdigit((int)*ptr
) ) ptr
++;
4086 /* Check if IP device was opened */
4090 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
4092 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
4096 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
4098 syslog(LOG_ERR
, "Can't open /dev/tap");
4102 /* Assign a new PPA and get its unit number. */
4103 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
4104 strioc_ppa
.ic_timout
= 0;
4105 strioc_ppa
.ic_len
= sizeof(ppa
);
4106 strioc_ppa
.ic_dp
= (char *)&ppa
;
4107 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
4108 syslog (LOG_ERR
, "Can't assign new interface");
4110 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
4112 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
4115 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
4116 syslog(LOG_ERR
, "Can't push IP module");
4120 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
4121 syslog(LOG_ERR
, "Can't get flags\n");
4123 snprintf (actual_name
, 32, "tap%d", ppa
);
4124 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4127 /* Assign ppa according to the unit number returned by tun device */
4129 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
4130 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
4131 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
4132 syslog (LOG_ERR
, "Can't get flags\n");
4133 /* Push arp module to if_fd */
4134 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
4135 syslog (LOG_ERR
, "Can't push ARP module (2)");
4137 /* Push arp module to ip_fd */
4138 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
4139 syslog (LOG_ERR
, "I_POP failed\n");
4140 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
4141 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
4143 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
4145 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
4147 /* Set ifname to arp */
4148 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
4149 strioc_if
.ic_timout
= 0;
4150 strioc_if
.ic_len
= sizeof(ifr
);
4151 strioc_if
.ic_dp
= (char *)&ifr
;
4152 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
4153 syslog (LOG_ERR
, "Can't set ifname to arp\n");
4156 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
4157 syslog(LOG_ERR
, "Can't link TAP device to IP");
4161 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
4162 syslog (LOG_ERR
, "Can't link TAP device to ARP");
4166 memset(&ifr
, 0x0, sizeof(ifr
));
4167 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4168 ifr
.lifr_ip_muxid
= ip_muxid
;
4169 ifr
.lifr_arp_muxid
= arp_muxid
;
4171 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
4173 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
4174 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
4175 syslog (LOG_ERR
, "Can't set multiplexor id");
4178 sprintf(dev
, "tap%d", ppa
);
4182 static int tap_open(char *ifname
, int ifname_size
)
4186 if( (fd
= tap_alloc(dev
)) < 0 ){
4187 fprintf(stderr
, "Cannot allocate TAP device\n");
4190 pstrcpy(ifname
, ifname_size
, dev
);
4191 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4195 static int tap_open(char *ifname
, int ifname_size
)
4200 TFR(fd
= open("/dev/net/tun", O_RDWR
));
4202 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4205 memset(&ifr
, 0, sizeof(ifr
));
4206 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
4207 if (ifname
[0] != '\0')
4208 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
4210 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
4211 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
4213 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4217 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
4218 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4223 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
4229 /* try to launch network script */
4233 int open_max
= sysconf (_SC_OPEN_MAX
), i
;
4234 for (i
= 0; i
< open_max
; i
++)
4235 if (i
!= STDIN_FILENO
&&
4236 i
!= STDOUT_FILENO
&&
4237 i
!= STDERR_FILENO
&&
4242 *parg
++ = (char *)setup_script
;
4243 *parg
++ = (char *)ifname
;
4245 execv(setup_script
, args
);
4248 while (waitpid(pid
, &status
, 0) != pid
);
4249 if (!WIFEXITED(status
) ||
4250 WEXITSTATUS(status
) != 0) {
4251 fprintf(stderr
, "%s: could not launch network script\n",
4259 static int net_tap_init(VLANState
*vlan
, const char *ifname1
,
4260 const char *setup_script
, const char *down_script
)
4266 if (ifname1
!= NULL
)
4267 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
4270 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
4274 if (!setup_script
|| !strcmp(setup_script
, "no"))
4276 if (setup_script
[0] != '\0') {
4277 if (launch_script(setup_script
, ifname
, fd
))
4280 s
= net_tap_fd_init(vlan
, fd
);
4283 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4284 "tap: ifname=%s setup_script=%s", ifname
, setup_script
);
4285 if (down_script
&& strcmp(down_script
, "no"))
4286 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
4290 #endif /* !_WIN32 */
4292 /* network connection */
4293 typedef struct NetSocketState
{
4294 VLANClientState
*vc
;
4296 int state
; /* 0 = getting length, 1 = getting data */
4300 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4303 typedef struct NetSocketListenState
{
4306 } NetSocketListenState
;
4308 /* XXX: we consider we can send the whole packet without blocking */
4309 static void net_socket_receive(void *opaque
, const uint8_t *buf
, int size
)
4311 NetSocketState
*s
= opaque
;
4315 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
4316 send_all(s
->fd
, buf
, size
);
4319 static void net_socket_receive_dgram(void *opaque
, const uint8_t *buf
, int size
)
4321 NetSocketState
*s
= opaque
;
4322 sendto(s
->fd
, buf
, size
, 0,
4323 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
4326 static void net_socket_send(void *opaque
)
4328 NetSocketState
*s
= opaque
;
4333 size
= recv(s
->fd
, buf1
, sizeof(buf1
), 0);
4335 err
= socket_error();
4336 if (err
!= EWOULDBLOCK
)
4338 } else if (size
== 0) {
4339 /* end of connection */
4341 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4347 /* reassemble a packet from the network */
4353 memcpy(s
->buf
+ s
->index
, buf
, l
);
4357 if (s
->index
== 4) {
4359 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
4365 l
= s
->packet_len
- s
->index
;
4368 memcpy(s
->buf
+ s
->index
, buf
, l
);
4372 if (s
->index
>= s
->packet_len
) {
4373 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
4382 static void net_socket_send_dgram(void *opaque
)
4384 NetSocketState
*s
= opaque
;
4387 size
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
4391 /* end of connection */
4392 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4395 qemu_send_packet(s
->vc
, s
->buf
, size
);
4398 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
4403 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
4404 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4405 inet_ntoa(mcastaddr
->sin_addr
),
4406 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
4410 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
4412 perror("socket(PF_INET, SOCK_DGRAM)");
4417 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
4418 (const char *)&val
, sizeof(val
));
4420 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4424 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
4430 /* Add host to multicast group */
4431 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
4432 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
4434 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
4435 (const char *)&imr
, sizeof(struct ip_mreq
));
4437 perror("setsockopt(IP_ADD_MEMBERSHIP)");
4441 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4443 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
4444 (const char *)&val
, sizeof(val
));
4446 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4450 socket_set_nonblock(fd
);
4458 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
, int fd
,
4461 struct sockaddr_in saddr
;
4463 socklen_t saddr_len
;
4466 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4467 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4468 * by ONLY ONE process: we must "clone" this dgram socket --jjo
4472 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
4474 if (saddr
.sin_addr
.s_addr
==0) {
4475 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4479 /* clone dgram socket */
4480 newfd
= net_socket_mcast_create(&saddr
);
4482 /* error already reported by net_socket_mcast_create() */
4486 /* clone newfd to fd, close newfd */
4491 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4492 fd
, strerror(errno
));
4497 s
= qemu_mallocz(sizeof(NetSocketState
));
4502 s
->vc
= qemu_new_vlan_client(vlan
, net_socket_receive_dgram
, NULL
, s
);
4503 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
4505 /* mcast: save bound address as dst */
4506 if (is_connected
) s
->dgram_dst
=saddr
;
4508 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4509 "socket: fd=%d (%s mcast=%s:%d)",
4510 fd
, is_connected
? "cloned" : "",
4511 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4515 static void net_socket_connect(void *opaque
)
4517 NetSocketState
*s
= opaque
;
4518 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
4521 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
, int fd
,
4525 s
= qemu_mallocz(sizeof(NetSocketState
));
4529 s
->vc
= qemu_new_vlan_client(vlan
,
4530 net_socket_receive
, NULL
, s
);
4531 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4532 "socket: fd=%d", fd
);
4534 net_socket_connect(s
);
4536 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
4541 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
, int fd
,
4544 int so_type
=-1, optlen
=sizeof(so_type
);
4546 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
4547 (socklen_t
*)&optlen
)< 0) {
4548 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
4553 return net_socket_fd_init_dgram(vlan
, fd
, is_connected
);
4555 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4557 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4558 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
4559 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4564 static void net_socket_accept(void *opaque
)
4566 NetSocketListenState
*s
= opaque
;
4568 struct sockaddr_in saddr
;
4573 len
= sizeof(saddr
);
4574 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
4575 if (fd
< 0 && errno
!= EINTR
) {
4577 } else if (fd
>= 0) {
4581 s1
= net_socket_fd_init(s
->vlan
, fd
, 1);
4585 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
4586 "socket: connection from %s:%d",
4587 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4591 static int net_socket_listen_init(VLANState
*vlan
, const char *host_str
)
4593 NetSocketListenState
*s
;
4595 struct sockaddr_in saddr
;
4597 if (parse_host_port(&saddr
, host_str
) < 0)
4600 s
= qemu_mallocz(sizeof(NetSocketListenState
));
4604 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4609 socket_set_nonblock(fd
);
4611 /* allow fast reuse */
4613 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
4615 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
4620 ret
= listen(fd
, 0);
4627 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
4631 static int net_socket_connect_init(VLANState
*vlan
, const char *host_str
)
4634 int fd
, connected
, ret
, err
;
4635 struct sockaddr_in saddr
;
4637 if (parse_host_port(&saddr
, host_str
) < 0)
4640 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4645 socket_set_nonblock(fd
);
4649 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
4651 err
= socket_error();
4652 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
4653 } else if (err
== EINPROGRESS
) {
4656 } else if (err
== WSAEALREADY
) {
4669 s
= net_socket_fd_init(vlan
, fd
, connected
);
4672 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4673 "socket: connect to %s:%d",
4674 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4678 static int net_socket_mcast_init(VLANState
*vlan
, const char *host_str
)
4682 struct sockaddr_in saddr
;
4684 if (parse_host_port(&saddr
, host_str
) < 0)
4688 fd
= net_socket_mcast_create(&saddr
);
4692 s
= net_socket_fd_init(vlan
, fd
, 0);
4696 s
->dgram_dst
= saddr
;
4698 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4699 "socket: mcast=%s:%d",
4700 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4705 static const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
4710 while (*p
!= '\0' && *p
!= '=') {
4711 if (q
&& (q
- buf
) < buf_size
- 1)
4721 static const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
4726 while (*p
!= '\0') {
4728 if (*(p
+ 1) != ',')
4732 if (q
&& (q
- buf
) < buf_size
- 1)
4742 int get_param_value(char *buf
, int buf_size
,
4743 const char *tag
, const char *str
)
4750 p
= get_opt_name(option
, sizeof(option
), p
);
4754 if (!strcmp(tag
, option
)) {
4755 (void)get_opt_value(buf
, buf_size
, p
);
4758 p
= get_opt_value(NULL
, 0, p
);
4767 int check_params(char *buf
, int buf_size
,
4768 char **params
, const char *str
)
4775 p
= get_opt_name(buf
, buf_size
, p
);
4779 for(i
= 0; params
[i
] != NULL
; i
++)
4780 if (!strcmp(params
[i
], buf
))
4782 if (params
[i
] == NULL
)
4784 p
= get_opt_value(NULL
, 0, p
);
4792 static int nic_get_free_idx(void)
4796 for (index
= 0; index
< MAX_NICS
; index
++)
4797 if (!nd_table
[index
].used
)
4802 int net_client_init(const char *str
)
4813 while (*p
!= '\0' && *p
!= ',') {
4814 if ((q
- device
) < sizeof(device
) - 1)
4822 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
4823 vlan_id
= strtol(buf
, NULL
, 0);
4825 vlan
= qemu_find_vlan(vlan_id
);
4827 fprintf(stderr
, "Could not create vlan %d\n", vlan_id
);
4830 if (!strcmp(device
, "nic")) {
4833 int idx
= nic_get_free_idx();
4835 if (idx
== -1 || nb_nics
>= MAX_NICS
) {
4836 fprintf(stderr
, "Too Many NICs\n");
4839 nd
= &nd_table
[idx
];
4840 macaddr
= nd
->macaddr
;
4846 macaddr
[5] = 0x56 + idx
;
4848 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
4849 if (parse_macaddr(macaddr
, buf
) < 0) {
4850 fprintf(stderr
, "invalid syntax for ethernet address\n");
4854 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
4855 nd
->model
= strdup(buf
);
4860 vlan
->nb_guest_devs
++;
4863 if (!strcmp(device
, "none")) {
4864 /* does nothing. It is needed to signal that no network cards
4869 if (!strcmp(device
, "user")) {
4870 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
4871 pstrcpy(slirp_hostname
, sizeof(slirp_hostname
), buf
);
4873 vlan
->nb_host_devs
++;
4874 ret
= net_slirp_init(vlan
);
4878 if (!strcmp(device
, "tap")) {
4880 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
4881 fprintf(stderr
, "tap: no interface name\n");
4884 vlan
->nb_host_devs
++;
4885 ret
= tap_win32_init(vlan
, ifname
);
4888 if (!strcmp(device
, "tap")) {
4890 char setup_script
[1024], down_script
[1024];
4892 vlan
->nb_host_devs
++;
4893 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
4894 fd
= strtol(buf
, NULL
, 0);
4895 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4897 if (net_tap_fd_init(vlan
, fd
))
4900 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
4903 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
4904 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
4906 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
4907 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
4909 ret
= net_tap_init(vlan
, ifname
, setup_script
, down_script
);
4913 if (!strcmp(device
, "socket")) {
4914 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
4916 fd
= strtol(buf
, NULL
, 0);
4918 if (net_socket_fd_init(vlan
, fd
, 1))
4920 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
4921 ret
= net_socket_listen_init(vlan
, buf
);
4922 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
4923 ret
= net_socket_connect_init(vlan
, buf
);
4924 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
4925 ret
= net_socket_mcast_init(vlan
, buf
);
4927 fprintf(stderr
, "Unknown socket options: %s\n", p
);
4930 vlan
->nb_host_devs
++;
4933 fprintf(stderr
, "Unknown network device: %s\n", device
);
4937 fprintf(stderr
, "Could not initialize device '%s'\n", device
);
4943 void net_client_uninit(NICInfo
*nd
)
4945 nd
->vlan
->nb_guest_devs
--; /* XXX: free vlan on last reference */
4948 free((void *)nd
->model
);
4951 void do_info_network(void)
4954 VLANClientState
*vc
;
4956 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
4957 term_printf("VLAN %d devices:\n", vlan
->id
);
4958 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
4959 term_printf(" %s\n", vc
->info_str
);
4963 #define HD_ALIAS "index=%d,media=disk"
4965 #define CDROM_ALIAS "index=1,media=cdrom"
4967 #define CDROM_ALIAS "index=2,media=cdrom"
4969 #define FD_ALIAS "index=%d,if=floppy"
4970 #define PFLASH_ALIAS "if=pflash"
4971 #define MTD_ALIAS "if=mtd"
4972 #define SD_ALIAS "index=0,if=sd"
4974 static int drive_opt_get_free_idx(void)
4978 for (index
= 0; index
< MAX_DRIVES
; index
++)
4979 if (!drives_opt
[index
].used
) {
4980 drives_opt
[index
].used
= 1;
4987 static int drive_get_free_idx(void)
4991 for (index
= 0; index
< MAX_DRIVES
; index
++)
4992 if (!drives_table
[index
].used
) {
4993 drives_table
[index
].used
= 1;
5000 int drive_add(const char *file
, const char *fmt
, ...)
5003 int index
= drive_opt_get_free_idx();
5005 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
5006 fprintf(stderr
, "qemu: too many drives\n");
5010 drives_opt
[index
].file
= file
;
5012 vsnprintf(drives_opt
[index
].opt
,
5013 sizeof(drives_opt
[0].opt
), fmt
, ap
);
5020 void drive_remove(int index
)
5022 drives_opt
[index
].used
= 0;
5026 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
5030 /* seek interface, bus and unit */
5032 for (index
= 0; index
< MAX_DRIVES
; index
++)
5033 if (drives_table
[index
].type
== type
&&
5034 drives_table
[index
].bus
== bus
&&
5035 drives_table
[index
].unit
== unit
&&
5036 drives_table
[index
].used
)
5042 int drive_get_max_bus(BlockInterfaceType type
)
5048 for (index
= 0; index
< nb_drives
; index
++) {
5049 if(drives_table
[index
].type
== type
&&
5050 drives_table
[index
].bus
> max_bus
)
5051 max_bus
= drives_table
[index
].bus
;
5056 static void bdrv_format_print(void *opaque
, const char *name
)
5058 fprintf(stderr
, " %s", name
);
5061 void drive_uninit(BlockDriverState
*bdrv
)
5065 for (i
= 0; i
< MAX_DRIVES
; i
++)
5066 if (drives_table
[i
].bdrv
== bdrv
) {
5067 drives_table
[i
].bdrv
= NULL
;
5068 drives_table
[i
].used
= 0;
5069 drive_remove(drives_table
[i
].drive_opt_idx
);
5075 int drive_init(struct drive_opt
*arg
, int snapshot
,
5076 QEMUMachine
*machine
)
5081 const char *mediastr
= "";
5082 BlockInterfaceType type
;
5083 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
5084 int bus_id
, unit_id
;
5085 int cyls
, heads
, secs
, translation
;
5086 BlockDriverState
*bdrv
;
5087 BlockDriver
*drv
= NULL
;
5092 int drives_table_idx
;
5093 char *str
= arg
->opt
;
5094 char *params
[] = { "bus", "unit", "if", "index", "cyls", "heads",
5095 "secs", "trans", "media", "snapshot", "file",
5096 "cache", "format", "boot", NULL
};
5098 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
5099 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
5105 cyls
= heads
= secs
= 0;
5108 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5112 if (!strcmp(machine
->name
, "realview") ||
5113 !strcmp(machine
->name
, "SS-5") ||
5114 !strcmp(machine
->name
, "SS-10") ||
5115 !strcmp(machine
->name
, "SS-600MP") ||
5116 !strcmp(machine
->name
, "versatilepb") ||
5117 !strcmp(machine
->name
, "versatileab")) {
5119 max_devs
= MAX_SCSI_DEVS
;
5120 strcpy(devname
, "scsi");
5123 max_devs
= MAX_IDE_DEVS
;
5124 strcpy(devname
, "ide");
5128 /* extract parameters */
5130 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
5131 bus_id
= strtol(buf
, NULL
, 0);
5133 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
5138 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
5139 unit_id
= strtol(buf
, NULL
, 0);
5141 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
5146 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
5147 strncpy(devname
, buf
, sizeof(devname
));
5148 if (!strcmp(buf
, "ide")) {
5150 max_devs
= MAX_IDE_DEVS
;
5151 } else if (!strcmp(buf
, "scsi")) {
5153 max_devs
= MAX_SCSI_DEVS
;
5154 } else if (!strcmp(buf
, "floppy")) {
5157 } else if (!strcmp(buf
, "pflash")) {
5160 } else if (!strcmp(buf
, "mtd")) {
5163 } else if (!strcmp(buf
, "sd")) {
5166 } else if (!strcmp(buf
, "virtio")) {
5170 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
5175 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
5176 index
= strtol(buf
, NULL
, 0);
5178 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
5183 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
5184 cyls
= strtol(buf
, NULL
, 0);
5187 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
5188 heads
= strtol(buf
, NULL
, 0);
5191 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
5192 secs
= strtol(buf
, NULL
, 0);
5195 if (cyls
|| heads
|| secs
) {
5196 if (cyls
< 1 || cyls
> 16383) {
5197 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
5200 if (heads
< 1 || heads
> 16) {
5201 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
5204 if (secs
< 1 || secs
> 63) {
5205 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
5210 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
5213 "qemu: '%s' trans must be used with cyls,heads and secs\n",
5217 if (!strcmp(buf
, "none"))
5218 translation
= BIOS_ATA_TRANSLATION_NONE
;
5219 else if (!strcmp(buf
, "lba"))
5220 translation
= BIOS_ATA_TRANSLATION_LBA
;
5221 else if (!strcmp(buf
, "auto"))
5222 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5224 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
5229 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
5230 if (!strcmp(buf
, "disk")) {
5232 } else if (!strcmp(buf
, "cdrom")) {
5233 if (cyls
|| secs
|| heads
) {
5235 "qemu: '%s' invalid physical CHS format\n", str
);
5238 media
= MEDIA_CDROM
;
5240 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
5245 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
5246 if (!strcmp(buf
, "on"))
5248 else if (!strcmp(buf
, "off"))
5251 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
5256 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
5257 if (!strcmp(buf
, "off"))
5259 else if (!strcmp(buf
, "on"))
5262 fprintf(stderr
, "qemu: invalid cache option\n");
5267 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
5268 if (strcmp(buf
, "?") == 0) {
5269 fprintf(stderr
, "qemu: Supported formats:");
5270 bdrv_iterate_format(bdrv_format_print
, NULL
);
5271 fprintf(stderr
, "\n");
5274 drv
= bdrv_find_format(buf
);
5276 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
5281 if (get_param_value(buf
, sizeof(buf
), "boot", str
)) {
5282 if (!strcmp(buf
, "on")) {
5283 if (extboot_drive
!= -1) {
5284 fprintf(stderr
, "qemu: two bootable drives specified\n");
5287 extboot_drive
= nb_drives
;
5288 } else if (strcmp(buf
, "off")) {
5289 fprintf(stderr
, "qemu: '%s' invalid boot option\n", str
);
5294 if (arg
->file
== NULL
)
5295 get_param_value(file
, sizeof(file
), "file", str
);
5297 pstrcpy(file
, sizeof(file
), arg
->file
);
5299 /* compute bus and unit according index */
5302 if (bus_id
!= 0 || unit_id
!= -1) {
5304 "qemu: '%s' index cannot be used with bus and unit\n", str
);
5312 unit_id
= index
% max_devs
;
5313 bus_id
= index
/ max_devs
;
5317 /* if user doesn't specify a unit_id,
5318 * try to find the first free
5321 if (unit_id
== -1) {
5323 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
5325 if (max_devs
&& unit_id
>= max_devs
) {
5326 unit_id
-= max_devs
;
5334 if (max_devs
&& unit_id
>= max_devs
) {
5335 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
5336 str
, unit_id
, max_devs
- 1);
5341 * ignore multiple definitions
5344 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
5349 if (type
== IF_IDE
|| type
== IF_SCSI
)
5350 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
5352 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
5353 devname
, bus_id
, mediastr
, unit_id
);
5355 snprintf(buf
, sizeof(buf
), "%s%s%i",
5356 devname
, mediastr
, unit_id
);
5357 bdrv
= bdrv_new(buf
);
5358 drives_table_idx
= drive_get_free_idx();
5359 drives_table
[drives_table_idx
].bdrv
= bdrv
;
5360 drives_table
[drives_table_idx
].type
= type
;
5361 drives_table
[drives_table_idx
].bus
= bus_id
;
5362 drives_table
[drives_table_idx
].unit
= unit_id
;
5363 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
5372 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
5373 bdrv_set_translation_hint(bdrv
, translation
);
5377 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
5382 /* FIXME: This isn't really a floppy, but it's a reasonable
5385 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
5396 bdrv_flags
|= BDRV_O_SNAPSHOT
;
5398 bdrv_flags
|= BDRV_O_DIRECT
;
5399 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0 || qemu_key_check(bdrv
, file
)) {
5400 fprintf(stderr
, "qemu: could not open disk image %s\n",
5404 return drives_table_idx
;
5407 /***********************************************************/
5410 static USBPort
*used_usb_ports
;
5411 static USBPort
*free_usb_ports
;
5413 /* ??? Maybe change this to register a hub to keep track of the topology. */
5414 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
5415 usb_attachfn attach
)
5417 port
->opaque
= opaque
;
5418 port
->index
= index
;
5419 port
->attach
= attach
;
5420 port
->next
= free_usb_ports
;
5421 free_usb_ports
= port
;
5424 static int usb_device_add(const char *devname
)
5430 if (!free_usb_ports
)
5433 if (strstart(devname
, "host:", &p
)) {
5434 dev
= usb_host_device_open(p
);
5435 } else if (!strcmp(devname
, "mouse")) {
5436 dev
= usb_mouse_init();
5437 } else if (!strcmp(devname
, "tablet")) {
5438 dev
= usb_tablet_init();
5439 } else if (!strcmp(devname
, "keyboard")) {
5440 dev
= usb_keyboard_init();
5441 } else if (strstart(devname
, "disk:", &p
)) {
5442 dev
= usb_msd_init(p
);
5443 } else if (!strcmp(devname
, "wacom-tablet")) {
5444 dev
= usb_wacom_init();
5445 } else if (strstart(devname
, "serial:", &p
)) {
5446 dev
= usb_serial_init(p
);
5447 #ifdef CONFIG_BRLAPI
5448 } else if (!strcmp(devname
, "braille")) {
5449 dev
= usb_baum_init();
5457 /* Find a USB port to add the device to. */
5458 port
= free_usb_ports
;
5462 /* Create a new hub and chain it on. */
5463 free_usb_ports
= NULL
;
5464 port
->next
= used_usb_ports
;
5465 used_usb_ports
= port
;
5467 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
5468 usb_attach(port
, hub
);
5469 port
= free_usb_ports
;
5472 free_usb_ports
= port
->next
;
5473 port
->next
= used_usb_ports
;
5474 used_usb_ports
= port
;
5475 usb_attach(port
, dev
);
5479 static int usb_device_del(const char *devname
)
5487 if (!used_usb_ports
)
5490 p
= strchr(devname
, '.');
5493 bus_num
= strtoul(devname
, NULL
, 0);
5494 addr
= strtoul(p
+ 1, NULL
, 0);
5498 lastp
= &used_usb_ports
;
5499 port
= used_usb_ports
;
5500 while (port
&& port
->dev
->addr
!= addr
) {
5501 lastp
= &port
->next
;
5509 *lastp
= port
->next
;
5510 usb_attach(port
, NULL
);
5511 dev
->handle_destroy(dev
);
5512 port
->next
= free_usb_ports
;
5513 free_usb_ports
= port
;
5517 void do_usb_add(const char *devname
)
5520 ret
= usb_device_add(devname
);
5522 term_printf("Could not add USB device '%s'\n", devname
);
5525 void do_usb_del(const char *devname
)
5528 ret
= usb_device_del(devname
);
5530 term_printf("Could not remove USB device '%s'\n", devname
);
5537 const char *speed_str
;
5540 term_printf("USB support not enabled\n");
5544 for (port
= used_usb_ports
; port
; port
= port
->next
) {
5548 switch(dev
->speed
) {
5552 case USB_SPEED_FULL
:
5555 case USB_SPEED_HIGH
:
5562 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
5563 0, dev
->addr
, speed_str
, dev
->devname
);
5567 /***********************************************************/
5568 /* PCMCIA/Cardbus */
5570 static struct pcmcia_socket_entry_s
{
5571 struct pcmcia_socket_s
*socket
;
5572 struct pcmcia_socket_entry_s
*next
;
5573 } *pcmcia_sockets
= 0;
5575 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
5577 struct pcmcia_socket_entry_s
*entry
;
5579 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
5580 entry
->socket
= socket
;
5581 entry
->next
= pcmcia_sockets
;
5582 pcmcia_sockets
= entry
;
5585 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
5587 struct pcmcia_socket_entry_s
*entry
, **ptr
;
5589 ptr
= &pcmcia_sockets
;
5590 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
5591 if (entry
->socket
== socket
) {
5597 void pcmcia_info(void)
5599 struct pcmcia_socket_entry_s
*iter
;
5600 if (!pcmcia_sockets
)
5601 term_printf("No PCMCIA sockets\n");
5603 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
5604 term_printf("%s: %s\n", iter
->socket
->slot_string
,
5605 iter
->socket
->attached
? iter
->socket
->card_string
:
5609 /***********************************************************/
5612 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
5616 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
5620 static void dumb_refresh(DisplayState
*ds
)
5622 #if defined(CONFIG_SDL)
5627 static void dumb_display_init(DisplayState
*ds
)
5632 ds
->dpy_update
= dumb_update
;
5633 ds
->dpy_resize
= dumb_resize
;
5634 ds
->dpy_refresh
= dumb_refresh
;
5637 /***********************************************************/
5640 #define MAX_IO_HANDLERS 64
5642 typedef struct IOHandlerRecord
{
5644 IOCanRWHandler
*fd_read_poll
;
5646 IOHandler
*fd_write
;
5649 /* temporary data */
5651 struct IOHandlerRecord
*next
;
5654 static IOHandlerRecord
*first_io_handler
;
5656 /* XXX: fd_read_poll should be suppressed, but an API change is
5657 necessary in the character devices to suppress fd_can_read(). */
5658 int qemu_set_fd_handler2(int fd
,
5659 IOCanRWHandler
*fd_read_poll
,
5661 IOHandler
*fd_write
,
5664 IOHandlerRecord
**pioh
, *ioh
;
5666 if (!fd_read
&& !fd_write
) {
5667 pioh
= &first_io_handler
;
5672 if (ioh
->fd
== fd
) {
5679 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
5683 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
5686 ioh
->next
= first_io_handler
;
5687 first_io_handler
= ioh
;
5690 ioh
->fd_read_poll
= fd_read_poll
;
5691 ioh
->fd_read
= fd_read
;
5692 ioh
->fd_write
= fd_write
;
5693 ioh
->opaque
= opaque
;
5699 int qemu_set_fd_handler(int fd
,
5701 IOHandler
*fd_write
,
5704 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
5707 /***********************************************************/
5708 /* Polling handling */
5710 typedef struct PollingEntry
{
5713 struct PollingEntry
*next
;
5716 static PollingEntry
*first_polling_entry
;
5718 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
5720 PollingEntry
**ppe
, *pe
;
5721 pe
= qemu_mallocz(sizeof(PollingEntry
));
5725 pe
->opaque
= opaque
;
5726 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
5731 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
5733 PollingEntry
**ppe
, *pe
;
5734 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
5736 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
5745 /***********************************************************/
5746 /* Wait objects support */
5747 typedef struct WaitObjects
{
5749 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
5750 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
5751 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
5754 static WaitObjects wait_objects
= {0};
5756 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
5758 WaitObjects
*w
= &wait_objects
;
5760 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
5762 w
->events
[w
->num
] = handle
;
5763 w
->func
[w
->num
] = func
;
5764 w
->opaque
[w
->num
] = opaque
;
5769 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
5772 WaitObjects
*w
= &wait_objects
;
5775 for (i
= 0; i
< w
->num
; i
++) {
5776 if (w
->events
[i
] == handle
)
5779 w
->events
[i
] = w
->events
[i
+ 1];
5780 w
->func
[i
] = w
->func
[i
+ 1];
5781 w
->opaque
[i
] = w
->opaque
[i
+ 1];
5789 #define SELF_ANNOUNCE_ROUNDS 5
5790 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
5791 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
5792 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
5794 static int announce_self_create(uint8_t *buf
,
5797 uint32_t magic
= EXPERIMENTAL_MAGIC
;
5798 uint16_t proto
= htons(ETH_P_EXPERIMENTAL
);
5800 /* FIXME: should we send a different packet (arp/rarp/ping)? */
5802 memset(buf
, 0xff, 6); /* h_dst */
5803 memcpy(buf
+ 6, mac_addr
, 6); /* h_src */
5804 memcpy(buf
+ 12, &proto
, 2); /* h_proto */
5805 memcpy(buf
+ 14, &magic
, 4); /* magic */
5807 return 18; /* len */
5810 static void qemu_announce_self(void)
5814 VLANClientState
*vc
;
5817 for (i
= 0; i
< nb_nics
; i
++) {
5818 len
= announce_self_create(buf
, nd_table
[i
].macaddr
);
5819 vlan
= nd_table
[i
].vlan
;
5820 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
5821 if (vc
->fd_read
== tap_receive
) /* send only if tap */
5822 for (j
=0; j
< SELF_ANNOUNCE_ROUNDS
; j
++)
5823 vc
->fd_read(vc
->opaque
, buf
, len
);
5828 /***********************************************************/
5829 /* savevm/loadvm support */
5831 #define IO_BUF_SIZE 32768
5834 QEMUFilePutBufferFunc
*put_buffer
;
5835 QEMUFileGetBufferFunc
*get_buffer
;
5836 QEMUFileCloseFunc
*close
;
5839 int64_t buf_offset
; /* start of buffer when writing, end of buffer
5842 int buf_size
; /* 0 when writing */
5843 uint8_t buf
[IO_BUF_SIZE
];
5846 typedef struct QEMUFileFD
5851 static int fd_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5853 QEMUFileFD
*s
= opaque
;
5858 len
= read(s
->fd
, buf
+ offset
, size
- offset
);
5860 if (errno
== EINTR
|| errno
== EAGAIN
)
5867 QEMUFile
*qemu_fopen_fd(int fd
)
5869 QEMUFileFD
*s
= qemu_mallocz(sizeof(QEMUFileFD
));
5871 return qemu_fopen(s
, NULL
, fd_get_buffer
, qemu_free
);
5874 typedef struct QEMUFileUnix
5879 static void file_put_buffer(void *opaque
, const uint8_t *buf
, int64_t pos
, int size
)
5881 QEMUFileUnix
*s
= opaque
;
5882 fseek(s
->outfile
, pos
, SEEK_SET
);
5883 fwrite(buf
, 1, size
, s
->outfile
);
5886 static int file_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5888 QEMUFileUnix
*s
= opaque
;
5889 fseek(s
->outfile
, pos
, SEEK_SET
);
5890 return fread(buf
, 1, size
, s
->outfile
);
5893 static void file_close(void *opaque
)
5895 QEMUFileUnix
*s
= opaque
;
5900 QEMUFile
*qemu_fopen_file(const char *filename
, const char *mode
)
5904 s
= qemu_mallocz(sizeof(QEMUFileUnix
));
5908 s
->outfile
= fopen(filename
, mode
);
5912 if (!strcmp(mode
, "wb"))
5913 return qemu_fopen(s
, file_put_buffer
, NULL
, file_close
);
5914 else if (!strcmp(mode
, "rb"))
5915 return qemu_fopen(s
, NULL
, file_get_buffer
, file_close
);
5924 typedef struct QEMUFileBdrv
5926 BlockDriverState
*bs
;
5927 int64_t base_offset
;
5930 static void bdrv_put_buffer(void *opaque
, const uint8_t *buf
, int64_t pos
, int size
)
5932 QEMUFileBdrv
*s
= opaque
;
5933 bdrv_pwrite(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
5936 static int bdrv_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5938 QEMUFileBdrv
*s
= opaque
;
5939 return bdrv_pread(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
5942 QEMUFile
*qemu_fopen_bdrv(BlockDriverState
*bs
, int64_t offset
, int is_writable
)
5946 s
= qemu_mallocz(sizeof(QEMUFileBdrv
));
5951 s
->base_offset
= offset
;
5954 return qemu_fopen(s
, bdrv_put_buffer
, NULL
, qemu_free
);
5956 return qemu_fopen(s
, NULL
, bdrv_get_buffer
, qemu_free
);
5959 QEMUFile
*qemu_fopen(void *opaque
, QEMUFilePutBufferFunc
*put_buffer
,
5960 QEMUFileGetBufferFunc
*get_buffer
, QEMUFileCloseFunc
*close
)
5964 f
= qemu_mallocz(sizeof(QEMUFile
));
5969 f
->put_buffer
= put_buffer
;
5970 f
->get_buffer
= get_buffer
;
5976 void qemu_fflush(QEMUFile
*f
)
5981 if (f
->buf_index
> 0) {
5982 f
->put_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, f
->buf_index
);
5983 f
->buf_offset
+= f
->buf_index
;
5988 static void qemu_fill_buffer(QEMUFile
*f
)
5995 len
= f
->get_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, IO_BUF_SIZE
);
6001 f
->buf_offset
+= len
;
6004 void qemu_fclose(QEMUFile
*f
)
6008 f
->close(f
->opaque
);
6012 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
6016 l
= IO_BUF_SIZE
- f
->buf_index
;
6019 memcpy(f
->buf
+ f
->buf_index
, buf
, l
);
6023 if (f
->buf_index
>= IO_BUF_SIZE
)
6028 void qemu_put_byte(QEMUFile
*f
, int v
)
6030 f
->buf
[f
->buf_index
++] = v
;
6031 if (f
->buf_index
>= IO_BUF_SIZE
)
6035 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size1
)
6041 l
= f
->buf_size
- f
->buf_index
;
6043 qemu_fill_buffer(f
);
6044 l
= f
->buf_size
- f
->buf_index
;
6050 memcpy(buf
, f
->buf
+ f
->buf_index
, l
);
6055 return size1
- size
;
6058 int qemu_get_byte(QEMUFile
*f
)
6060 if (f
->buf_index
>= f
->buf_size
) {
6061 qemu_fill_buffer(f
);
6062 if (f
->buf_index
>= f
->buf_size
)
6065 return f
->buf
[f
->buf_index
++];
6068 int64_t qemu_ftell(QEMUFile
*f
)
6070 return f
->buf_offset
- f
->buf_size
+ f
->buf_index
;
6073 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
6075 if (whence
== SEEK_SET
) {
6077 } else if (whence
== SEEK_CUR
) {
6078 pos
+= qemu_ftell(f
);
6080 /* SEEK_END not supported */
6083 if (f
->put_buffer
) {
6085 f
->buf_offset
= pos
;
6087 f
->buf_offset
= pos
;
6094 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
6096 qemu_put_byte(f
, v
>> 8);
6097 qemu_put_byte(f
, v
);
6100 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
6102 qemu_put_byte(f
, v
>> 24);
6103 qemu_put_byte(f
, v
>> 16);
6104 qemu_put_byte(f
, v
>> 8);
6105 qemu_put_byte(f
, v
);
6108 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
6110 qemu_put_be32(f
, v
>> 32);
6111 qemu_put_be32(f
, v
);
6114 unsigned int qemu_get_be16(QEMUFile
*f
)
6117 v
= qemu_get_byte(f
) << 8;
6118 v
|= qemu_get_byte(f
);
6122 unsigned int qemu_get_be32(QEMUFile
*f
)
6125 v
= qemu_get_byte(f
) << 24;
6126 v
|= qemu_get_byte(f
) << 16;
6127 v
|= qemu_get_byte(f
) << 8;
6128 v
|= qemu_get_byte(f
);
6132 uint64_t qemu_get_be64(QEMUFile
*f
)
6135 v
= (uint64_t)qemu_get_be32(f
) << 32;
6136 v
|= qemu_get_be32(f
);
6140 typedef struct SaveStateEntry
{
6144 SaveStateHandler
*save_state
;
6145 LoadStateHandler
*load_state
;
6147 struct SaveStateEntry
*next
;
6150 static SaveStateEntry
*first_se
;
6152 int register_savevm(const char *idstr
,
6155 SaveStateHandler
*save_state
,
6156 LoadStateHandler
*load_state
,
6159 SaveStateEntry
*se
, **pse
;
6161 se
= qemu_malloc(sizeof(SaveStateEntry
));
6164 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
6165 se
->instance_id
= instance_id
;
6166 se
->version_id
= version_id
;
6167 se
->save_state
= save_state
;
6168 se
->load_state
= load_state
;
6169 se
->opaque
= opaque
;
6172 /* add at the end of list */
6174 while (*pse
!= NULL
)
6175 pse
= &(*pse
)->next
;
6180 #define QEMU_VM_FILE_MAGIC 0x5145564d
6181 #define QEMU_VM_FILE_VERSION 0x00000002
6183 static int qemu_savevm_state(QEMUFile
*f
)
6187 int64_t cur_pos
, len_pos
, total_len_pos
;
6189 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
6190 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
6191 total_len_pos
= qemu_ftell(f
);
6192 qemu_put_be64(f
, 0); /* total size */
6194 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6196 len
= strlen(se
->idstr
);
6197 qemu_put_byte(f
, len
);
6198 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
6200 qemu_put_be32(f
, se
->instance_id
);
6201 qemu_put_be32(f
, se
->version_id
);
6203 /* record size: filled later */
6204 len_pos
= qemu_ftell(f
);
6205 qemu_put_be32(f
, 0);
6206 se
->save_state(f
, se
->opaque
);
6208 /* fill record size */
6209 cur_pos
= qemu_ftell(f
);
6210 len
= cur_pos
- len_pos
- 4;
6211 qemu_fseek(f
, len_pos
, SEEK_SET
);
6212 qemu_put_be32(f
, len
);
6213 qemu_fseek(f
, cur_pos
, SEEK_SET
);
6215 cur_pos
= qemu_ftell(f
);
6216 qemu_fseek(f
, total_len_pos
, SEEK_SET
);
6217 qemu_put_be64(f
, cur_pos
- total_len_pos
- 8);
6218 qemu_fseek(f
, cur_pos
, SEEK_SET
);
6224 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
6228 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6229 if (!strcmp(se
->idstr
, idstr
) &&
6230 instance_id
== se
->instance_id
)
6236 static int qemu_loadvm_state(QEMUFile
*f
)
6239 int len
, ret
, instance_id
, record_len
, version_id
;
6240 int64_t total_len
, end_pos
, cur_pos
;
6244 v
= qemu_get_be32(f
);
6245 if (v
!= QEMU_VM_FILE_MAGIC
)
6247 v
= qemu_get_be32(f
);
6248 if (v
!= QEMU_VM_FILE_VERSION
) {
6253 total_len
= qemu_get_be64(f
);
6254 end_pos
= total_len
+ qemu_ftell(f
);
6256 if (qemu_ftell(f
) >= end_pos
)
6258 len
= qemu_get_byte(f
);
6259 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
6261 instance_id
= qemu_get_be32(f
);
6262 version_id
= qemu_get_be32(f
);
6263 record_len
= qemu_get_be32(f
);
6265 printf("idstr=%s instance=0x%x version=%d len=%d\n",
6266 idstr
, instance_id
, version_id
, record_len
);
6268 cur_pos
= qemu_ftell(f
);
6269 se
= find_se(idstr
, instance_id
);
6271 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6272 instance_id
, idstr
);
6274 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6276 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6277 instance_id
, idstr
);
6281 /* always seek to exact end of record */
6282 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
6289 int qemu_live_savevm_state(QEMUFile
*f
)
6294 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
6295 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
6297 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6298 len
= strlen(se
->idstr
);
6300 qemu_put_byte(f
, len
);
6301 qemu_put_buffer(f
, se
->idstr
, len
);
6302 qemu_put_be32(f
, se
->instance_id
);
6303 qemu_put_be32(f
, se
->version_id
);
6305 se
->save_state(f
, se
->opaque
);
6308 qemu_put_byte(f
, 0);
6314 int qemu_live_loadvm_state(QEMUFile
*f
)
6317 int len
, ret
, instance_id
, version_id
;
6321 v
= qemu_get_be32(f
);
6322 if (v
!= QEMU_VM_FILE_MAGIC
)
6324 v
= qemu_get_be32(f
);
6325 if (v
!= QEMU_VM_FILE_VERSION
) {
6332 len
= qemu_get_byte(f
);
6335 qemu_get_buffer(f
, idstr
, len
);
6337 instance_id
= qemu_get_be32(f
);
6338 version_id
= qemu_get_be32(f
);
6339 se
= find_se(idstr
, instance_id
);
6341 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6342 instance_id
, idstr
);
6344 if (version_id
> se
->version_id
) { /* src version > dst version */
6345 fprintf(stderr
, "migration:version mismatch:%s:%d(s)>%d(d)\n",
6346 idstr
, version_id
, se
->version_id
);
6350 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6352 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6353 instance_id
, idstr
);
6360 qemu_announce_self();
6366 /* device can contain snapshots */
6367 static int bdrv_can_snapshot(BlockDriverState
*bs
)
6370 !bdrv_is_removable(bs
) &&
6371 !bdrv_is_read_only(bs
));
6374 /* device must be snapshots in order to have a reliable snapshot */
6375 static int bdrv_has_snapshot(BlockDriverState
*bs
)
6378 !bdrv_is_removable(bs
) &&
6379 !bdrv_is_read_only(bs
));
6382 static BlockDriverState
*get_bs_snapshots(void)
6384 BlockDriverState
*bs
;
6388 return bs_snapshots
;
6389 for(i
= 0; i
<= nb_drives
; i
++) {
6390 bs
= drives_table
[i
].bdrv
;
6391 if (bdrv_can_snapshot(bs
))
6400 static int bdrv_snapshot_find(BlockDriverState
*bs
, QEMUSnapshotInfo
*sn_info
,
6403 QEMUSnapshotInfo
*sn_tab
, *sn
;
6407 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6410 for(i
= 0; i
< nb_sns
; i
++) {
6412 if (!strcmp(sn
->id_str
, name
) || !strcmp(sn
->name
, name
)) {
6422 void do_savevm(const char *name
)
6424 BlockDriverState
*bs
, *bs1
;
6425 QEMUSnapshotInfo sn1
, *sn
= &sn1
, old_sn1
, *old_sn
= &old_sn1
;
6426 int must_delete
, ret
, i
;
6427 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
6429 int saved_vm_running
;
6436 bs
= get_bs_snapshots();
6438 term_printf("No block device can accept snapshots\n");
6442 /* ??? Should this occur after vm_stop? */
6445 saved_vm_running
= vm_running
;
6450 ret
= bdrv_snapshot_find(bs
, old_sn
, name
);
6455 memset(sn
, 0, sizeof(*sn
));
6457 pstrcpy(sn
->name
, sizeof(sn
->name
), old_sn
->name
);
6458 pstrcpy(sn
->id_str
, sizeof(sn
->id_str
), old_sn
->id_str
);
6461 pstrcpy(sn
->name
, sizeof(sn
->name
), name
);
6464 /* fill auxiliary fields */
6467 sn
->date_sec
= tb
.time
;
6468 sn
->date_nsec
= tb
.millitm
* 1000000;
6470 gettimeofday(&tv
, NULL
);
6471 sn
->date_sec
= tv
.tv_sec
;
6472 sn
->date_nsec
= tv
.tv_usec
* 1000;
6474 sn
->vm_clock_nsec
= qemu_get_clock(vm_clock
);
6476 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
6477 term_printf("Device %s does not support VM state snapshots\n",
6478 bdrv_get_device_name(bs
));
6482 /* save the VM state */
6483 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 1);
6485 term_printf("Could not open VM state file\n");
6488 ret
= qemu_savevm_state(f
);
6489 sn
->vm_state_size
= qemu_ftell(f
);
6492 term_printf("Error %d while writing VM\n", ret
);
6496 /* create the snapshots */
6498 for(i
= 0; i
< nb_drives
; i
++) {
6499 bs1
= drives_table
[i
].bdrv
;
6500 if (bdrv_has_snapshot(bs1
)) {
6502 ret
= bdrv_snapshot_delete(bs1
, old_sn
->id_str
);
6504 term_printf("Error while deleting snapshot on '%s'\n",
6505 bdrv_get_device_name(bs1
));
6508 ret
= bdrv_snapshot_create(bs1
, sn
);
6510 term_printf("Error while creating snapshot on '%s'\n",
6511 bdrv_get_device_name(bs1
));
6517 if (saved_vm_running
)
6521 void do_loadvm(const char *name
)
6523 BlockDriverState
*bs
, *bs1
;
6524 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
6527 int saved_vm_running
;
6529 bs
= get_bs_snapshots();
6531 term_printf("No block device supports snapshots\n");
6535 /* Flush all IO requests so they don't interfere with the new state. */
6538 saved_vm_running
= vm_running
;
6541 for(i
= 0; i
<= nb_drives
; i
++) {
6542 bs1
= drives_table
[i
].bdrv
;
6543 if (bdrv_has_snapshot(bs1
)) {
6544 ret
= bdrv_snapshot_goto(bs1
, name
);
6547 term_printf("Warning: ");
6550 term_printf("Snapshots not supported on device '%s'\n",
6551 bdrv_get_device_name(bs1
));
6554 term_printf("Could not find snapshot '%s' on device '%s'\n",
6555 name
, bdrv_get_device_name(bs1
));
6558 term_printf("Error %d while activating snapshot on '%s'\n",
6559 ret
, bdrv_get_device_name(bs1
));
6562 /* fatal on snapshot block device */
6569 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
6570 term_printf("Device %s does not support VM state snapshots\n",
6571 bdrv_get_device_name(bs
));
6575 /* restore the VM state */
6576 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 0);
6578 term_printf("Could not open VM state file\n");
6581 ret
= qemu_loadvm_state(f
);
6584 term_printf("Error %d while loading VM state\n", ret
);
6587 if (saved_vm_running
)
6591 void do_delvm(const char *name
)
6593 BlockDriverState
*bs
, *bs1
;
6596 bs
= get_bs_snapshots();
6598 term_printf("No block device supports snapshots\n");
6602 for(i
= 0; i
<= nb_drives
; i
++) {
6603 bs1
= drives_table
[i
].bdrv
;
6604 if (bdrv_has_snapshot(bs1
)) {
6605 ret
= bdrv_snapshot_delete(bs1
, name
);
6607 if (ret
== -ENOTSUP
)
6608 term_printf("Snapshots not supported on device '%s'\n",
6609 bdrv_get_device_name(bs1
));
6611 term_printf("Error %d while deleting snapshot on '%s'\n",
6612 ret
, bdrv_get_device_name(bs1
));
6618 void do_info_snapshots(void)
6620 BlockDriverState
*bs
, *bs1
;
6621 QEMUSnapshotInfo
*sn_tab
, *sn
;
6625 bs
= get_bs_snapshots();
6627 term_printf("No available block device supports snapshots\n");
6630 term_printf("Snapshot devices:");
6631 for(i
= 0; i
<= nb_drives
; i
++) {
6632 bs1
= drives_table
[i
].bdrv
;
6633 if (bdrv_has_snapshot(bs1
)) {
6635 term_printf(" %s", bdrv_get_device_name(bs1
));
6640 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6642 term_printf("bdrv_snapshot_list: error %d\n", nb_sns
);
6645 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs
));
6646 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), NULL
));
6647 for(i
= 0; i
< nb_sns
; i
++) {
6649 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), sn
));
6654 /***********************************************************/
6655 /* ram save/restore */
6657 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
6661 v
= qemu_get_byte(f
);
6664 if (qemu_get_buffer(f
, buf
, len
) != len
)
6668 v
= qemu_get_byte(f
);
6669 memset(buf
, v
, len
);
6677 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
6682 if (qemu_get_be32(f
) != phys_ram_size
)
6684 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
6685 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
6687 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
6694 #define BDRV_HASH_BLOCK_SIZE 1024
6695 #define IOBUF_SIZE 4096
6696 #define RAM_CBLOCK_MAGIC 0xfabe
6698 typedef struct RamCompressState
{
6701 uint8_t buf
[IOBUF_SIZE
];
6704 static int ram_compress_open(RamCompressState
*s
, QEMUFile
*f
)
6707 memset(s
, 0, sizeof(*s
));
6709 ret
= deflateInit2(&s
->zstream
, 1,
6711 9, Z_DEFAULT_STRATEGY
);
6714 s
->zstream
.avail_out
= IOBUF_SIZE
;
6715 s
->zstream
.next_out
= s
->buf
;
6719 static void ram_put_cblock(RamCompressState
*s
, const uint8_t *buf
, int len
)
6721 qemu_put_be16(s
->f
, RAM_CBLOCK_MAGIC
);
6722 qemu_put_be16(s
->f
, len
);
6723 qemu_put_buffer(s
->f
, buf
, len
);
6726 static int ram_compress_buf(RamCompressState
*s
, const uint8_t *buf
, int len
)
6730 s
->zstream
.avail_in
= len
;
6731 s
->zstream
.next_in
= (uint8_t *)buf
;
6732 while (s
->zstream
.avail_in
> 0) {
6733 ret
= deflate(&s
->zstream
, Z_NO_FLUSH
);
6736 if (s
->zstream
.avail_out
== 0) {
6737 ram_put_cblock(s
, s
->buf
, IOBUF_SIZE
);
6738 s
->zstream
.avail_out
= IOBUF_SIZE
;
6739 s
->zstream
.next_out
= s
->buf
;
6745 static void ram_compress_close(RamCompressState
*s
)
6749 /* compress last bytes */
6751 ret
= deflate(&s
->zstream
, Z_FINISH
);
6752 if (ret
== Z_OK
|| ret
== Z_STREAM_END
) {
6753 len
= IOBUF_SIZE
- s
->zstream
.avail_out
;
6755 ram_put_cblock(s
, s
->buf
, len
);
6757 s
->zstream
.avail_out
= IOBUF_SIZE
;
6758 s
->zstream
.next_out
= s
->buf
;
6759 if (ret
== Z_STREAM_END
)
6766 deflateEnd(&s
->zstream
);
6769 typedef struct RamDecompressState
{
6772 uint8_t buf
[IOBUF_SIZE
];
6773 } RamDecompressState
;
6775 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
6778 memset(s
, 0, sizeof(*s
));
6780 ret
= inflateInit(&s
->zstream
);
6786 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
6790 s
->zstream
.avail_out
= len
;
6791 s
->zstream
.next_out
= buf
;
6792 while (s
->zstream
.avail_out
> 0) {
6793 if (s
->zstream
.avail_in
== 0) {
6794 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
6796 clen
= qemu_get_be16(s
->f
);
6797 if (clen
> IOBUF_SIZE
)
6799 qemu_get_buffer(s
->f
, s
->buf
, clen
);
6800 s
->zstream
.avail_in
= clen
;
6801 s
->zstream
.next_in
= s
->buf
;
6803 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
6804 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
6811 static void ram_decompress_close(RamDecompressState
*s
)
6813 inflateEnd(&s
->zstream
);
6816 static void ram_save_live(QEMUFile
*f
, void *opaque
)
6820 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
6821 if (kvm_enabled() && (addr
>=0xa0000) && (addr
<0xc0000)) /* do not access video-addresses */
6823 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
)) {
6824 qemu_put_be32(f
, addr
);
6825 qemu_put_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
6828 qemu_put_be32(f
, 1);
6831 static void ram_save_static(QEMUFile
*f
, void *opaque
)
6834 RamCompressState s1
, *s
= &s1
;
6837 qemu_put_be32(f
, phys_ram_size
);
6838 if (ram_compress_open(s
, f
) < 0)
6840 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
6841 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
6844 if (tight_savevm_enabled
) {
6848 /* find if the memory block is available on a virtual
6851 for(j
= 0; j
< nb_drives
; j
++) {
6852 sector_num
= bdrv_hash_find(drives_table
[j
].bdrv
,
6854 BDRV_HASH_BLOCK_SIZE
);
6855 if (sector_num
>= 0)
6859 goto normal_compress
;
6862 cpu_to_be64wu((uint64_t *)(buf
+ 2), sector_num
);
6863 ram_compress_buf(s
, buf
, 10);
6869 ram_compress_buf(s
, buf
, 1);
6870 ram_compress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
);
6873 ram_compress_close(s
);
6876 static void ram_save(QEMUFile
*f
, void *opaque
)
6878 int in_migration
= cpu_physical_memory_get_dirty_tracking();
6880 qemu_put_byte(f
, in_migration
);
6883 ram_save_live(f
, opaque
);
6885 ram_save_static(f
, opaque
);
6888 static int ram_load_live(QEMUFile
*f
, void *opaque
)
6893 addr
= qemu_get_be32(f
);
6897 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
6903 static int ram_load_static(QEMUFile
*f
, void *opaque
)
6905 RamDecompressState s1
, *s
= &s1
;
6909 if (qemu_get_be32(f
) != phys_ram_size
)
6911 if (ram_decompress_open(s
, f
) < 0)
6913 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
6914 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
6916 if (ram_decompress_buf(s
, buf
, 1) < 0) {
6917 fprintf(stderr
, "Error while reading ram block header\n");
6921 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
6922 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
6931 ram_decompress_buf(s
, buf
+ 1, 9);
6933 sector_num
= be64_to_cpupu((const uint64_t *)(buf
+ 2));
6934 if (bs_index
>= nb_drives
) {
6935 fprintf(stderr
, "Invalid block device index %d\n", bs_index
);
6938 if (bdrv_read(drives_table
[bs_index
].bdrv
, sector_num
,
6940 BDRV_HASH_BLOCK_SIZE
/ 512) < 0) {
6941 fprintf(stderr
, "Error while reading sector %d:%" PRId64
"\n",
6942 bs_index
, sector_num
);
6949 printf("Error block header\n");
6953 ram_decompress_close(s
);
6957 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
6961 switch (version_id
) {
6963 ret
= ram_load_v1(f
, opaque
);
6966 if (qemu_get_byte(f
)) {
6967 ret
= ram_load_live(f
, opaque
);
6971 ret
= ram_load_static(f
, opaque
);
6981 /***********************************************************/
6982 /* bottom halves (can be seen as timers which expire ASAP) */
6991 static QEMUBH
*first_bh
= NULL
;
6993 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
6996 bh
= qemu_mallocz(sizeof(QEMUBH
));
7000 bh
->opaque
= opaque
;
7004 int qemu_bh_poll(void)
7023 void qemu_bh_schedule(QEMUBH
*bh
)
7025 CPUState
*env
= cpu_single_env
;
7029 bh
->next
= first_bh
;
7032 /* stop the currently executing CPU to execute the BH ASAP */
7034 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
7037 qemu_kvm_notify_work();
7040 void qemu_bh_cancel(QEMUBH
*bh
)
7043 if (bh
->scheduled
) {
7046 pbh
= &(*pbh
)->next
;
7052 void qemu_bh_delete(QEMUBH
*bh
)
7058 /***********************************************************/
7059 /* machine registration */
7061 QEMUMachine
*first_machine
= NULL
;
7062 QEMUMachine
*current_machine
= NULL
;
7064 int qemu_register_machine(QEMUMachine
*m
)
7067 pm
= &first_machine
;
7075 static QEMUMachine
*find_machine(const char *name
)
7079 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
7080 if (!strcmp(m
->name
, name
))
7086 /***********************************************************/
7087 /* main execution loop */
7089 static void gui_update(void *opaque
)
7091 DisplayState
*ds
= opaque
;
7092 ds
->dpy_refresh(ds
);
7093 qemu_mod_timer(ds
->gui_timer
,
7094 (ds
->gui_timer_interval
?
7095 ds
->gui_timer_interval
:
7096 GUI_REFRESH_INTERVAL
)
7097 + qemu_get_clock(rt_clock
));
7100 struct vm_change_state_entry
{
7101 VMChangeStateHandler
*cb
;
7103 LIST_ENTRY (vm_change_state_entry
) entries
;
7106 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
7108 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
7111 VMChangeStateEntry
*e
;
7113 e
= qemu_mallocz(sizeof (*e
));
7119 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
7123 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
7125 LIST_REMOVE (e
, entries
);
7129 static void vm_state_notify(int running
)
7131 VMChangeStateEntry
*e
;
7133 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
7134 e
->cb(e
->opaque
, running
);
7138 /* XXX: support several handlers */
7139 static VMStopHandler
*vm_stop_cb
;
7140 static void *vm_stop_opaque
;
7142 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7145 vm_stop_opaque
= opaque
;
7149 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7160 qemu_rearm_alarm_timer(alarm_timer
);
7164 void vm_stop(int reason
)
7167 cpu_disable_ticks();
7171 vm_stop_cb(vm_stop_opaque
, reason
);
7178 /* reset/shutdown handler */
7180 typedef struct QEMUResetEntry
{
7181 QEMUResetHandler
*func
;
7183 struct QEMUResetEntry
*next
;
7186 static QEMUResetEntry
*first_reset_entry
;
7187 static int reset_requested
;
7188 static int shutdown_requested
;
7189 static int powerdown_requested
;
7191 int qemu_shutdown_requested(void)
7193 int r
= shutdown_requested
;
7194 shutdown_requested
= 0;
7198 int qemu_reset_requested(void)
7200 int r
= reset_requested
;
7201 reset_requested
= 0;
7205 int qemu_powerdown_requested(void)
7207 int r
= powerdown_requested
;
7208 powerdown_requested
= 0;
7212 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
7214 QEMUResetEntry
**pre
, *re
;
7216 pre
= &first_reset_entry
;
7217 while (*pre
!= NULL
)
7218 pre
= &(*pre
)->next
;
7219 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
7221 re
->opaque
= opaque
;
7226 void qemu_system_reset(void)
7230 /* reset all devices */
7231 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
7232 re
->func(re
->opaque
);
7236 void qemu_system_reset_request(void)
7239 shutdown_requested
= 1;
7241 reset_requested
= 1;
7244 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7248 qemu_kvm_system_reset_request();
7252 void qemu_system_shutdown_request(void)
7254 shutdown_requested
= 1;
7256 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7259 void qemu_system_powerdown_request(void)
7261 powerdown_requested
= 1;
7263 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7266 /* boot_set handler */
7267 QEMUBootSetHandler
*qemu_boot_set_handler
= NULL
;
7269 void qemu_register_boot_set(QEMUBootSetHandler
*func
)
7271 qemu_boot_set_handler
= func
;
7274 void main_loop_wait(int timeout
)
7276 IOHandlerRecord
*ioh
;
7277 fd_set rfds
, wfds
, xfds
;
7286 /* XXX: need to suppress polling by better using win32 events */
7288 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
7289 ret
|= pe
->func(pe
->opaque
);
7294 WaitObjects
*w
= &wait_objects
;
7296 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, timeout
);
7297 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
7298 if (w
->func
[ret
- WAIT_OBJECT_0
])
7299 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
7301 /* Check for additional signaled events */
7302 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
7304 /* Check if event is signaled */
7305 ret2
= WaitForSingleObject(w
->events
[i
], 0);
7306 if(ret2
== WAIT_OBJECT_0
) {
7308 w
->func
[i
](w
->opaque
[i
]);
7309 } else if (ret2
== WAIT_TIMEOUT
) {
7311 err
= GetLastError();
7312 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
7315 } else if (ret
== WAIT_TIMEOUT
) {
7317 err
= GetLastError();
7318 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
7322 /* poll any events */
7323 /* XXX: separate device handlers from system ones */
7328 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7332 (!ioh
->fd_read_poll
||
7333 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
7334 FD_SET(ioh
->fd
, &rfds
);
7338 if (ioh
->fd_write
) {
7339 FD_SET(ioh
->fd
, &wfds
);
7349 tv
.tv_usec
= timeout
* 1000;
7351 #if defined(CONFIG_SLIRP)
7353 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
7357 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
7359 IOHandlerRecord
**pioh
;
7362 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7363 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
7364 ioh
->fd_read(ioh
->opaque
);
7365 if (!ioh
->fd_read_poll
|| ioh
->fd_read_poll(ioh
->opaque
))
7368 FD_CLR(ioh
->fd
, &rfds
);
7370 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
7371 ioh
->fd_write(ioh
->opaque
);
7376 /* remove deleted IO handlers */
7377 pioh
= &first_io_handler
;
7389 #if defined(CONFIG_SLIRP)
7396 slirp_select_poll(&rfds
, &wfds
, &xfds
);
7404 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
7405 qemu_get_clock(vm_clock
));
7406 /* run dma transfers, if any */
7410 /* real time timers */
7411 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
7412 qemu_get_clock(rt_clock
));
7414 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
7415 alarm_timer
->flags
&= ~(ALARM_FLAG_EXPIRED
);
7416 qemu_rearm_alarm_timer(alarm_timer
);
7419 /* Check bottom-halves last in case any of the earlier events triggered
7425 static int main_loop(void)
7428 #ifdef CONFIG_PROFILER
7434 if (kvm_enabled()) {
7436 cpu_disable_ticks();
7440 cur_cpu
= first_cpu
;
7441 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
7448 #ifdef CONFIG_PROFILER
7449 ti
= profile_getclock();
7451 ret
= cpu_exec(env
);
7452 #ifdef CONFIG_PROFILER
7453 qemu_time
+= profile_getclock() - ti
;
7455 next_cpu
= env
->next_cpu
?: first_cpu
;
7456 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
7457 ret
= EXCP_INTERRUPT
;
7461 if (ret
== EXCP_HLT
) {
7462 /* Give the next CPU a chance to run. */
7466 if (ret
!= EXCP_HALTED
)
7468 /* all CPUs are halted ? */
7474 if (shutdown_requested
) {
7475 ret
= EXCP_INTERRUPT
;
7483 if (reset_requested
) {
7484 reset_requested
= 0;
7485 qemu_system_reset();
7487 kvm_load_registers(env
);
7488 ret
= EXCP_INTERRUPT
;
7490 if (powerdown_requested
) {
7491 powerdown_requested
= 0;
7492 qemu_system_powerdown();
7493 ret
= EXCP_INTERRUPT
;
7495 if (unlikely(ret
== EXCP_DEBUG
)) {
7496 vm_stop(EXCP_DEBUG
);
7498 /* If all cpus are halted then wait until the next IRQ */
7499 /* XXX: use timeout computed from timers */
7500 if (ret
== EXCP_HALTED
)
7507 #ifdef CONFIG_PROFILER
7508 ti
= profile_getclock();
7510 main_loop_wait(timeout
);
7511 #ifdef CONFIG_PROFILER
7512 dev_time
+= profile_getclock() - ti
;
7515 cpu_disable_ticks();
7519 static void help(int exitcode
)
7521 printf("QEMU PC emulator version " QEMU_VERSION
" (" KVM_VERSION
")"
7522 ", Copyright (c) 2003-2008 Fabrice Bellard\n"
7523 "usage: %s [options] [disk_image]\n"
7525 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
7527 "Standard options:\n"
7528 "-M machine select emulated machine (-M ? for list)\n"
7529 "-cpu cpu select CPU (-cpu ? for list)\n"
7530 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
7531 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
7532 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
7533 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
7534 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
7535 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
7536 " [,cache=on|off][,format=f][,boot=on|off]\n"
7537 " use 'file' as a drive image\n"
7538 "-mtdblock file use 'file' as on-board Flash memory image\n"
7539 "-sd file use 'file' as SecureDigital card image\n"
7540 "-pflash file use 'file' as a parallel flash image\n"
7541 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
7542 "-snapshot write to temporary files instead of disk image files\n"
7544 "-no-frame open SDL window without a frame and window decorations\n"
7545 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
7546 "-no-quit disable SDL window close capability\n"
7549 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
7551 "-m megs set virtual RAM size to megs MB [default=%d]\n"
7552 "-smp n set the number of CPUs to 'n' [default=1]\n"
7553 "-nographic disable graphical output and redirect serial I/Os to console\n"
7554 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
7556 "-k language use keyboard layout (for example \"fr\" for French)\n"
7559 "-audio-help print list of audio drivers and their options\n"
7560 "-soundhw c1,... enable audio support\n"
7561 " and only specified sound cards (comma separated list)\n"
7562 " use -soundhw ? to get the list of supported cards\n"
7563 " use -soundhw all to enable all of them\n"
7565 "-localtime set the real time clock to local time [default=utc]\n"
7566 "-full-screen start in full screen\n"
7568 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
7570 "-usb enable the USB driver (will be the default soon)\n"
7571 "-usbdevice name add the host or guest USB device 'name'\n"
7572 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
7573 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
7575 "-name string set the name of the guest\n"
7577 "Network options:\n"
7578 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
7579 " create a new Network Interface Card and connect it to VLAN 'n'\n"
7581 "-net user[,vlan=n][,hostname=host]\n"
7582 " connect the user mode network stack to VLAN 'n' and send\n"
7583 " hostname 'host' to DHCP clients\n"
7586 "-net tap[,vlan=n],ifname=name\n"
7587 " connect the host TAP network interface to VLAN 'n'\n"
7589 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
7590 " connect the host TAP network interface to VLAN 'n' and use the\n"
7591 " network scripts 'file' (default=%s)\n"
7592 " and 'dfile' (default=%s);\n"
7593 " use '[down]script=no' to disable script execution;\n"
7594 " use 'fd=h' to connect to an already opened TAP interface\n"
7596 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
7597 " connect the vlan 'n' to another VLAN using a socket connection\n"
7598 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
7599 " connect the vlan 'n' to multicast maddr and port\n"
7600 "-net none use it alone to have zero network devices; if no -net option\n"
7601 " is provided, the default is '-net nic -net user'\n"
7604 "-tftp dir allow tftp access to files in dir [-net user]\n"
7605 "-bootp file advertise file in BOOTP replies\n"
7607 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
7609 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
7610 " redirect TCP or UDP connections from host to guest [-net user]\n"
7613 "Linux boot specific:\n"
7614 "-kernel bzImage use 'bzImage' as kernel image\n"
7615 "-append cmdline use 'cmdline' as kernel command line\n"
7616 "-initrd file use 'file' as initial ram disk\n"
7618 "Debug/Expert options:\n"
7619 "-monitor dev redirect the monitor to char device 'dev'\n"
7620 "-vmchannel di:DI,dev redirect the hypercall device with device id DI, to char device 'dev'\n"
7621 "-balloon dev redirect the balloon hypercall device to char device 'dev'\n"
7622 "-serial dev redirect the serial port to char device 'dev'\n"
7623 "-parallel dev redirect the parallel port to char device 'dev'\n"
7624 "-pidfile file Write PID to 'file'\n"
7625 "-S freeze CPU at startup (use 'c' to start execution)\n"
7626 "-s wait gdb connection to port\n"
7627 "-p port set gdb connection port [default=%s]\n"
7628 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
7629 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
7630 " translation (t=none or lba) (usually qemu can guess them)\n"
7631 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
7633 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
7634 "-no-kqemu disable KQEMU kernel module usage\n"
7637 #ifndef NO_CPU_EMULATION
7638 "-no-kvm disable KVM hardware virtualization\n"
7640 "-no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC\n"
7641 "-no-kvm-pit disable KVM kernel mode PIT\n"
7644 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
7645 " (default is CL-GD5446 PCI VGA)\n"
7646 "-no-acpi disable ACPI\n"
7648 #ifdef CONFIG_CURSES
7649 "-curses use a curses/ncurses interface instead of SDL\n"
7651 "-no-reboot exit instead of rebooting\n"
7652 "-no-shutdown stop before shutdown\n"
7653 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
7654 "-vnc display start a VNC server on display\n"
7656 "-daemonize daemonize QEMU after initializing\n"
7658 "-tdf inject timer interrupts that got lost\n"
7659 "-kvm-shadow-memory megs set the amount of shadow pages to be allocated\n"
7660 "-mem-path set the path to hugetlbfs/tmpfs mounted directory, also enables allocation of guest memory with huge pages\n"
7661 "-option-rom rom load a file, rom, into the option ROM space\n"
7663 "-prom-env variable=value set OpenBIOS nvram variables\n"
7665 "-clock force the use of the given methods for timer alarm.\n"
7666 " To see what timers are available use -clock ?\n"
7667 "-startdate select initial date of the clock\n"
7669 "During emulation, the following keys are useful:\n"
7670 "ctrl-alt-f toggle full screen\n"
7671 "ctrl-alt-n switch to virtual console 'n'\n"
7672 "ctrl-alt toggle mouse and keyboard grab\n"
7674 "When using -nographic, press 'ctrl-a h' to get some help.\n"
7679 DEFAULT_NETWORK_SCRIPT
,
7680 DEFAULT_NETWORK_DOWN_SCRIPT
,
7682 DEFAULT_GDBSTUB_PORT
,
7687 #define HAS_ARG 0x0001
7702 QEMU_OPTION_mtdblock
,
7706 QEMU_OPTION_snapshot
,
7708 QEMU_OPTION_no_fd_bootchk
,
7711 QEMU_OPTION_nographic
,
7712 QEMU_OPTION_portrait
,
7714 QEMU_OPTION_audio_help
,
7715 QEMU_OPTION_soundhw
,
7735 QEMU_OPTION_no_code_copy
,
7737 QEMU_OPTION_localtime
,
7738 QEMU_OPTION_cirrusvga
,
7741 QEMU_OPTION_std_vga
,
7743 QEMU_OPTION_monitor
,
7744 QEMU_OPTION_balloon
,
7745 QEMU_OPTION_vmchannel
,
7747 QEMU_OPTION_parallel
,
7749 QEMU_OPTION_full_screen
,
7750 QEMU_OPTION_no_frame
,
7751 QEMU_OPTION_alt_grab
,
7752 QEMU_OPTION_no_quit
,
7753 QEMU_OPTION_pidfile
,
7754 QEMU_OPTION_no_kqemu
,
7755 QEMU_OPTION_kernel_kqemu
,
7756 QEMU_OPTION_win2k_hack
,
7758 QEMU_OPTION_usbdevice
,
7761 QEMU_OPTION_no_acpi
,
7764 QEMU_OPTION_no_kvm_irqchip
,
7765 QEMU_OPTION_no_kvm_pit
,
7766 QEMU_OPTION_no_reboot
,
7767 QEMU_OPTION_no_shutdown
,
7768 QEMU_OPTION_show_cursor
,
7769 QEMU_OPTION_daemonize
,
7770 QEMU_OPTION_option_rom
,
7771 QEMU_OPTION_semihosting
,
7772 QEMU_OPTION_cpu_vendor
,
7774 QEMU_OPTION_prom_env
,
7775 QEMU_OPTION_old_param
,
7777 QEMU_OPTION_startdate
,
7778 QEMU_OPTION_translation
,
7779 QEMU_OPTION_incoming
,
7781 QEMU_OPTION_kvm_shadow_memory
,
7782 QEMU_OPTION_mempath
,
7785 typedef struct QEMUOption
{
7791 const QEMUOption qemu_options
[] = {
7792 { "h", 0, QEMU_OPTION_h
},
7793 { "help", 0, QEMU_OPTION_h
},
7795 { "M", HAS_ARG
, QEMU_OPTION_M
},
7796 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
7797 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
7798 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
7799 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
7800 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
7801 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
7802 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
7803 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
7804 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
7805 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
7806 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
7807 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
7808 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
7809 { "snapshot", 0, QEMU_OPTION_snapshot
},
7811 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
7813 { "m", HAS_ARG
, QEMU_OPTION_m
},
7814 { "nographic", 0, QEMU_OPTION_nographic
},
7815 { "portrait", 0, QEMU_OPTION_portrait
},
7816 { "k", HAS_ARG
, QEMU_OPTION_k
},
7818 { "audio-help", 0, QEMU_OPTION_audio_help
},
7819 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
7822 { "net", HAS_ARG
, QEMU_OPTION_net
},
7824 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
7825 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
7827 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
7829 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
7832 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
7833 { "append", HAS_ARG
, QEMU_OPTION_append
},
7834 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
7836 { "S", 0, QEMU_OPTION_S
},
7837 { "s", 0, QEMU_OPTION_s
},
7838 { "p", HAS_ARG
, QEMU_OPTION_p
},
7839 { "d", HAS_ARG
, QEMU_OPTION_d
},
7840 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
7841 { "L", HAS_ARG
, QEMU_OPTION_L
},
7842 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
7843 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
7845 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
7846 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
7849 #ifndef NO_CPU_EMULATION
7850 { "no-kvm", 0, QEMU_OPTION_no_kvm
},
7852 { "no-kvm-irqchip", 0, QEMU_OPTION_no_kvm_irqchip
},
7853 { "no-kvm-pit", 0, QEMU_OPTION_no_kvm_pit
},
7855 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
7856 { "g", 1, QEMU_OPTION_g
},
7858 { "localtime", 0, QEMU_OPTION_localtime
},
7859 { "std-vga", 0, QEMU_OPTION_std_vga
},
7860 { "monitor", 1, QEMU_OPTION_monitor
},
7861 { "balloon", 1, QEMU_OPTION_balloon
},
7862 { "vmchannel", 1, QEMU_OPTION_vmchannel
},
7863 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
7864 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
7865 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
7866 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
7867 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
7868 { "incoming", 1, QEMU_OPTION_incoming
},
7869 { "full-screen", 0, QEMU_OPTION_full_screen
},
7871 { "no-frame", 0, QEMU_OPTION_no_frame
},
7872 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
7873 { "no-quit", 0, QEMU_OPTION_no_quit
},
7875 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
7876 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
7877 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
7878 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
7879 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
7880 #ifdef CONFIG_CURSES
7881 { "curses", 0, QEMU_OPTION_curses
},
7884 /* temporary options */
7885 { "usb", 0, QEMU_OPTION_usb
},
7886 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
7887 { "vmwarevga", 0, QEMU_OPTION_vmsvga
},
7888 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
7889 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
7890 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
7891 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
7892 { "daemonize", 0, QEMU_OPTION_daemonize
},
7893 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
7894 #if defined(TARGET_ARM) || defined(TARGET_M68K)
7895 { "semihosting", 0, QEMU_OPTION_semihosting
},
7897 { "tdf", 0, QEMU_OPTION_tdf
}, /* enable time drift fix */
7898 { "kvm-shadow-memory", HAS_ARG
, QEMU_OPTION_kvm_shadow_memory
},
7899 { "name", HAS_ARG
, QEMU_OPTION_name
},
7900 #if defined(TARGET_SPARC)
7901 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
7903 { "cpu-vendor", HAS_ARG
, QEMU_OPTION_cpu_vendor
},
7904 #if defined(TARGET_ARM)
7905 { "old-param", 0, QEMU_OPTION_old_param
},
7907 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
7908 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
7909 { "mem-path", HAS_ARG
, QEMU_OPTION_mempath
},
7913 /* password input */
7915 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
7920 if (!bdrv_is_encrypted(bs
))
7923 term_printf("%s is encrypted.\n", name
);
7924 for(i
= 0; i
< 3; i
++) {
7925 monitor_readline("Password: ", 1, password
, sizeof(password
));
7926 if (bdrv_set_key(bs
, password
) == 0)
7928 term_printf("invalid password\n");
7933 static BlockDriverState
*get_bdrv(int index
)
7935 if (index
> nb_drives
)
7937 return drives_table
[index
].bdrv
;
7940 static void read_passwords(void)
7942 BlockDriverState
*bs
;
7945 for(i
= 0; i
< 6; i
++) {
7948 qemu_key_check(bs
, bdrv_get_device_name(bs
));
7953 struct soundhw soundhw
[] = {
7954 #ifdef HAS_AUDIO_CHOICE
7955 #if defined(TARGET_I386) || defined(TARGET_MIPS)
7961 { .init_isa
= pcspk_audio_init
}
7966 "Creative Sound Blaster 16",
7969 { .init_isa
= SB16_init
}
7976 "Yamaha YMF262 (OPL3)",
7978 "Yamaha YM3812 (OPL2)",
7982 { .init_isa
= Adlib_init
}
7989 "Gravis Ultrasound GF1",
7992 { .init_isa
= GUS_init
}
7999 "Intel 82801AA AC97 Audio",
8002 { .init_pci
= ac97_init
}
8008 "ENSONIQ AudioPCI ES1370",
8011 { .init_pci
= es1370_init
}
8015 { NULL
, NULL
, 0, 0, { NULL
} }
8018 static void select_soundhw (const char *optarg
)
8022 if (*optarg
== '?') {
8025 printf ("Valid sound card names (comma separated):\n");
8026 for (c
= soundhw
; c
->name
; ++c
) {
8027 printf ("%-11s %s\n", c
->name
, c
->descr
);
8029 printf ("\n-soundhw all will enable all of the above\n");
8030 exit (*optarg
!= '?');
8038 if (!strcmp (optarg
, "all")) {
8039 for (c
= soundhw
; c
->name
; ++c
) {
8047 e
= strchr (p
, ',');
8048 l
= !e
? strlen (p
) : (size_t) (e
- p
);
8050 for (c
= soundhw
; c
->name
; ++c
) {
8051 if (!strncmp (c
->name
, p
, l
)) {
8060 "Unknown sound card name (too big to show)\n");
8063 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
8068 p
+= l
+ (e
!= NULL
);
8072 goto show_valid_cards
;
8078 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
8080 exit(STATUS_CONTROL_C_EXIT
);
8085 #define MAX_NET_CLIENTS 32
8087 static int saved_argc
;
8088 static char **saved_argv
;
8090 void qemu_get_launch_info(int *argc
, char ***argv
, int *opt_daemonize
, const char **opt_incoming
)
8094 *opt_daemonize
= daemonize
;
8095 *opt_incoming
= incoming
;
8099 static int gethugepagesize(void)
8103 char *needle
= "Hugepagesize:";
8105 unsigned long hugepagesize
;
8107 fd
= open("/proc/meminfo", O_RDONLY
);
8113 ret
= read(fd
, buf
, sizeof(buf
));
8119 size
= strstr(buf
, needle
);
8122 size
+= strlen(needle
);
8123 hugepagesize
= strtol(size
, NULL
, 0);
8124 return hugepagesize
;
8127 void *alloc_mem_area(unsigned long memory
, const char *path
)
8133 if (asprintf(&filename
, "%s/kvm.XXXXXX", path
) == -1)
8136 hpagesize
= gethugepagesize() * 1024;
8140 fd
= mkstemp(filename
);
8149 memory
= (memory
+hpagesize
-1) & ~(hpagesize
-1);
8152 * ftruncate is not supported by hugetlbfs in older
8153 * hosts, so don't bother checking for errors.
8154 * If anything goes wrong with it under other filesystems,
8157 ftruncate(fd
, memory
);
8159 area
= mmap(0, memory
, PROT_READ
|PROT_WRITE
, MAP_PRIVATE
, fd
, 0);
8160 if (area
== MAP_FAILED
) {
8169 void *qemu_alloc_physram(unsigned long memory
)
8174 area
= alloc_mem_area(memory
, mem_path
);
8176 area
= qemu_vmalloc(memory
);
8181 int main(int argc
, char **argv
)
8183 #ifdef CONFIG_GDBSTUB
8185 const char *gdbstub_port
;
8187 uint32_t boot_devices_bitmap
= 0;
8189 int snapshot
, linux_boot
, net_boot
;
8190 const char *initrd_filename
;
8191 const char *kernel_filename
, *kernel_cmdline
;
8192 const char *boot_devices
= "";
8193 DisplayState
*ds
= &display_state
;
8194 int cyls
, heads
, secs
, translation
;
8195 const char *net_clients
[MAX_NET_CLIENTS
];
8199 const char *r
, *optarg
;
8200 CharDriverState
*monitor_hd
;
8201 const char *monitor_device
;
8202 const char *serial_devices
[MAX_SERIAL_PORTS
];
8203 int serial_device_index
;
8204 char vmchannel_devices
[MAX_VMCHANNEL_DEVICES
][128];
8205 int vmchannel_device_index
;
8206 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
8207 int parallel_device_index
;
8208 const char *loadvm
= NULL
;
8209 QEMUMachine
*machine
;
8210 const char *cpu_model
;
8211 const char *usb_devices
[MAX_USB_CMDLINE
];
8212 int usb_devices_index
;
8214 const char *pid_file
= NULL
;
8220 LIST_INIT (&vm_change_state_head
);
8223 struct sigaction act
;
8224 sigfillset(&act
.sa_mask
);
8226 act
.sa_handler
= SIG_IGN
;
8227 sigaction(SIGPIPE
, &act
, NULL
);
8230 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
8231 /* Note: cpu_interrupt() is currently not SMP safe, so we force
8232 QEMU to run on a single CPU */
8237 h
= GetCurrentProcess();
8238 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
8239 for(i
= 0; i
< 32; i
++) {
8240 if (mask
& (1 << i
))
8245 SetProcessAffinityMask(h
, mask
);
8251 register_machines();
8252 machine
= first_machine
;
8254 initrd_filename
= NULL
;
8256 vga_ram_size
= VGA_RAM_SIZE
;
8257 #ifdef CONFIG_GDBSTUB
8259 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
8264 kernel_filename
= NULL
;
8265 kernel_cmdline
= "";
8266 cyls
= heads
= secs
= 0;
8267 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8268 monitor_device
= "vc:800x600";
8270 for(i
= 0; i
< MAX_VMCHANNEL_DEVICES
; i
++)
8271 vmchannel_devices
[i
][0] = '\0';
8272 vmchannel_device_index
= 0;
8274 serial_devices
[0] = "vc:80Cx24C";
8275 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
8276 serial_devices
[i
] = NULL
;
8277 serial_device_index
= 0;
8279 parallel_devices
[0] = "vc:640x480";
8280 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
8281 parallel_devices
[i
] = NULL
;
8282 parallel_device_index
= 0;
8284 usb_devices_index
= 0;
8292 /* default mac address of the first network interface */
8300 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
8302 const QEMUOption
*popt
;
8305 /* Treat --foo the same as -foo. */
8308 popt
= qemu_options
;
8311 fprintf(stderr
, "%s: invalid option -- '%s'\n",
8315 if (!strcmp(popt
->name
, r
+ 1))
8319 if (popt
->flags
& HAS_ARG
) {
8320 if (optind
>= argc
) {
8321 fprintf(stderr
, "%s: option '%s' requires an argument\n",
8325 optarg
= argv
[optind
++];
8330 switch(popt
->index
) {
8332 machine
= find_machine(optarg
);
8335 printf("Supported machines are:\n");
8336 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
8337 printf("%-10s %s%s\n",
8339 m
== first_machine
? " (default)" : "");
8341 exit(*optarg
!= '?');
8344 case QEMU_OPTION_cpu
:
8345 /* hw initialization will check this */
8346 if (*optarg
== '?') {
8347 /* XXX: implement xxx_cpu_list for targets that still miss it */
8348 #if defined(cpu_list)
8349 cpu_list(stdout
, &fprintf
);
8356 case QEMU_OPTION_initrd
:
8357 initrd_filename
= optarg
;
8359 case QEMU_OPTION_hda
:
8361 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
8363 hda_index
= drive_add(optarg
, HD_ALIAS
8364 ",cyls=%d,heads=%d,secs=%d%s",
8365 0, cyls
, heads
, secs
,
8366 translation
== BIOS_ATA_TRANSLATION_LBA
?
8368 translation
== BIOS_ATA_TRANSLATION_NONE
?
8369 ",trans=none" : "");
8371 case QEMU_OPTION_hdb
:
8372 case QEMU_OPTION_hdc
:
8373 case QEMU_OPTION_hdd
:
8374 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
8376 case QEMU_OPTION_drive
:
8377 drive_add(NULL
, "%s", optarg
);
8379 case QEMU_OPTION_mtdblock
:
8380 drive_add(optarg
, MTD_ALIAS
);
8382 case QEMU_OPTION_sd
:
8383 drive_add(optarg
, SD_ALIAS
);
8385 case QEMU_OPTION_pflash
:
8386 drive_add(optarg
, PFLASH_ALIAS
);
8388 case QEMU_OPTION_snapshot
:
8391 case QEMU_OPTION_hdachs
:
8395 cyls
= strtol(p
, (char **)&p
, 0);
8396 if (cyls
< 1 || cyls
> 16383)
8401 heads
= strtol(p
, (char **)&p
, 0);
8402 if (heads
< 1 || heads
> 16)
8407 secs
= strtol(p
, (char **)&p
, 0);
8408 if (secs
< 1 || secs
> 63)
8412 if (!strcmp(p
, "none"))
8413 translation
= BIOS_ATA_TRANSLATION_NONE
;
8414 else if (!strcmp(p
, "lba"))
8415 translation
= BIOS_ATA_TRANSLATION_LBA
;
8416 else if (!strcmp(p
, "auto"))
8417 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8420 } else if (*p
!= '\0') {
8422 fprintf(stderr
, "qemu: invalid physical CHS format\n");
8425 if (hda_index
!= -1)
8426 snprintf(drives_opt
[hda_index
].opt
,
8427 sizeof(drives_opt
[hda_index
].opt
),
8428 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
8429 0, cyls
, heads
, secs
,
8430 translation
== BIOS_ATA_TRANSLATION_LBA
?
8432 translation
== BIOS_ATA_TRANSLATION_NONE
?
8433 ",trans=none" : "");
8436 case QEMU_OPTION_nographic
:
8437 serial_devices
[0] = "stdio";
8438 parallel_devices
[0] = "null";
8439 monitor_device
= "stdio";
8442 #ifdef CONFIG_CURSES
8443 case QEMU_OPTION_curses
:
8447 case QEMU_OPTION_portrait
:
8450 case QEMU_OPTION_kernel
:
8451 kernel_filename
= optarg
;
8453 case QEMU_OPTION_append
:
8454 kernel_cmdline
= optarg
;
8456 case QEMU_OPTION_cdrom
:
8457 drive_add(optarg
, CDROM_ALIAS
);
8459 case QEMU_OPTION_boot
:
8460 boot_devices
= optarg
;
8461 /* We just do some generic consistency checks */
8463 /* Could easily be extended to 64 devices if needed */
8466 boot_devices_bitmap
= 0;
8467 for (p
= boot_devices
; *p
!= '\0'; p
++) {
8468 /* Allowed boot devices are:
8469 * a b : floppy disk drives
8470 * c ... f : IDE disk drives
8471 * g ... m : machine implementation dependant drives
8472 * n ... p : network devices
8473 * It's up to each machine implementation to check
8474 * if the given boot devices match the actual hardware
8475 * implementation and firmware features.
8477 if (*p
< 'a' || *p
> 'q') {
8478 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
8481 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
8483 "Boot device '%c' was given twice\n",*p
);
8486 boot_devices_bitmap
|= 1 << (*p
- 'a');
8490 case QEMU_OPTION_fda
:
8491 case QEMU_OPTION_fdb
:
8492 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
8495 case QEMU_OPTION_no_fd_bootchk
:
8499 case QEMU_OPTION_no_code_copy
:
8500 code_copy_enabled
= 0;
8502 case QEMU_OPTION_net
:
8503 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
8504 fprintf(stderr
, "qemu: too many network clients\n");
8507 net_clients
[nb_net_clients
] = optarg
;
8511 case QEMU_OPTION_tftp
:
8512 tftp_prefix
= optarg
;
8514 case QEMU_OPTION_bootp
:
8515 bootp_filename
= optarg
;
8518 case QEMU_OPTION_smb
:
8519 net_slirp_smb(optarg
);
8522 case QEMU_OPTION_redir
:
8523 net_slirp_redir(optarg
);
8527 case QEMU_OPTION_audio_help
:
8531 case QEMU_OPTION_soundhw
:
8532 select_soundhw (optarg
);
8538 case QEMU_OPTION_m
: {
8542 value
= strtoul(optarg
, &ptr
, 10);
8544 case 0: case 'M': case 'm':
8551 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
8555 /* On 32-bit hosts, QEMU is limited by virtual address space */
8556 if (value
> (2047 << 20)
8558 && HOST_LONG_BITS
== 32
8561 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
8564 if (value
!= (uint64_t)(ram_addr_t
)value
) {
8565 fprintf(stderr
, "qemu: ram size too large\n");
8576 mask
= cpu_str_to_log_mask(optarg
);
8578 printf("Log items (comma separated):\n");
8579 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
8580 printf("%-10s %s\n", item
->name
, item
->help
);
8587 #ifdef CONFIG_GDBSTUB
8592 gdbstub_port
= optarg
;
8598 case QEMU_OPTION_bios
:
8605 keyboard_layout
= optarg
;
8607 case QEMU_OPTION_localtime
:
8610 case QEMU_OPTION_cirrusvga
:
8611 cirrus_vga_enabled
= 1;
8614 case QEMU_OPTION_vmsvga
:
8615 cirrus_vga_enabled
= 0;
8618 case QEMU_OPTION_std_vga
:
8619 cirrus_vga_enabled
= 0;
8627 w
= strtol(p
, (char **)&p
, 10);
8630 fprintf(stderr
, "qemu: invalid resolution or depth\n");
8636 h
= strtol(p
, (char **)&p
, 10);
8641 depth
= strtol(p
, (char **)&p
, 10);
8642 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
8643 depth
!= 24 && depth
!= 32)
8645 } else if (*p
== '\0') {
8646 depth
= graphic_depth
;
8653 graphic_depth
= depth
;
8656 case QEMU_OPTION_echr
:
8659 term_escape_char
= strtol(optarg
, &r
, 0);
8661 printf("Bad argument to echr\n");
8664 case QEMU_OPTION_monitor
:
8665 monitor_device
= optarg
;
8667 case QEMU_OPTION_balloon
:
8668 if (vmchannel_device_index
>= MAX_VMCHANNEL_DEVICES
) {
8669 fprintf(stderr
, "qemu: too many balloon/vmchannel devices\n");
8673 fprintf(stderr
, "qemu: only one balloon device can be used\n");
8676 sprintf(vmchannel_devices
[vmchannel_device_index
],"di:cdcd,%s", optarg
);
8677 vmchannel_device_index
++;
8680 case QEMU_OPTION_vmchannel
:
8681 if (vmchannel_device_index
>= MAX_VMCHANNEL_DEVICES
) {
8682 fprintf(stderr
, "qemu: too many balloon/vmchannel devices\n");
8685 pstrcpy(vmchannel_devices
[vmchannel_device_index
],
8686 sizeof(vmchannel_devices
[0]), optarg
);
8687 vmchannel_device_index
++;
8689 case QEMU_OPTION_serial
:
8690 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
8691 fprintf(stderr
, "qemu: too many serial ports\n");
8694 serial_devices
[serial_device_index
] = optarg
;
8695 serial_device_index
++;
8697 case QEMU_OPTION_parallel
:
8698 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
8699 fprintf(stderr
, "qemu: too many parallel ports\n");
8702 parallel_devices
[parallel_device_index
] = optarg
;
8703 parallel_device_index
++;
8705 case QEMU_OPTION_loadvm
:
8708 case QEMU_OPTION_incoming
:
8711 case QEMU_OPTION_full_screen
:
8715 case QEMU_OPTION_no_frame
:
8718 case QEMU_OPTION_alt_grab
:
8721 case QEMU_OPTION_no_quit
:
8725 case QEMU_OPTION_pidfile
:
8729 case QEMU_OPTION_win2k_hack
:
8730 win2k_install_hack
= 1;
8734 case QEMU_OPTION_no_kqemu
:
8737 case QEMU_OPTION_kernel_kqemu
:
8742 case QEMU_OPTION_no_kvm
:
8745 case QEMU_OPTION_no_kvm_irqchip
: {
8746 extern int kvm_irqchip
, kvm_pit
;
8751 case QEMU_OPTION_no_kvm_pit
: {
8757 case QEMU_OPTION_usb
:
8760 case QEMU_OPTION_usbdevice
:
8762 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
8763 fprintf(stderr
, "Too many USB devices\n");
8766 usb_devices
[usb_devices_index
] = optarg
;
8767 usb_devices_index
++;
8769 case QEMU_OPTION_smp
:
8770 smp_cpus
= atoi(optarg
);
8771 if (smp_cpus
< 1 || smp_cpus
> MAX_CPUS
) {
8772 fprintf(stderr
, "Invalid number of CPUs\n");
8776 case QEMU_OPTION_vnc
:
8777 vnc_display
= optarg
;
8779 case QEMU_OPTION_no_acpi
:
8782 case QEMU_OPTION_no_reboot
:
8785 case QEMU_OPTION_no_shutdown
:
8788 case QEMU_OPTION_show_cursor
:
8791 case QEMU_OPTION_daemonize
:
8794 case QEMU_OPTION_option_rom
:
8795 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
8796 fprintf(stderr
, "Too many option ROMs\n");
8799 option_rom
[nb_option_roms
] = optarg
;
8802 case QEMU_OPTION_semihosting
:
8803 semihosting_enabled
= 1;
8805 case QEMU_OPTION_tdf
:
8808 case QEMU_OPTION_kvm_shadow_memory
:
8809 kvm_shadow_memory
= (int64_t)atoi(optarg
) * 1024 * 1024 / 4096;
8811 case QEMU_OPTION_mempath
:
8814 case QEMU_OPTION_name
:
8818 case QEMU_OPTION_prom_env
:
8819 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
8820 fprintf(stderr
, "Too many prom variables\n");
8823 prom_envs
[nb_prom_envs
] = optarg
;
8827 case QEMU_OPTION_cpu_vendor
:
8828 cpu_vendor_string
= optarg
;
8831 case QEMU_OPTION_old_param
:
8835 case QEMU_OPTION_clock
:
8836 configure_alarms(optarg
);
8838 case QEMU_OPTION_startdate
:
8841 time_t rtc_start_date
;
8842 if (!strcmp(optarg
, "now")) {
8843 rtc_date_offset
= -1;
8845 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
8853 } else if (sscanf(optarg
, "%d-%d-%d",
8856 &tm
.tm_mday
) == 3) {
8865 rtc_start_date
= mktimegm(&tm
);
8866 if (rtc_start_date
== -1) {
8868 fprintf(stderr
, "Invalid date format. Valid format are:\n"
8869 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
8872 rtc_date_offset
= time(NULL
) - rtc_start_date
;
8884 if (pipe(fds
) == -1)
8895 len
= read(fds
[0], &status
, 1);
8896 if (len
== -1 && (errno
== EINTR
))
8901 else if (status
== 1) {
8902 fprintf(stderr
, "Could not acquire pidfile\n");
8919 signal(SIGTSTP
, SIG_IGN
);
8920 signal(SIGTTOU
, SIG_IGN
);
8921 signal(SIGTTIN
, SIG_IGN
);
8926 if (kvm_enabled()) {
8927 if (kvm_qemu_init() < 0) {
8928 extern int kvm_allowed
;
8929 fprintf(stderr
, "Could not initialize KVM, will disable KVM support\n");
8930 #ifdef NO_CPU_EMULATION
8931 fprintf(stderr
, "Compiled with --disable-cpu-emulation, exiting.\n");
8939 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
8942 write(fds
[1], &status
, 1);
8944 fprintf(stderr
, "Could not acquire pid file\n");
8952 linux_boot
= (kernel_filename
!= NULL
);
8953 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
8955 /* XXX: this should not be: some embedded targets just have flash */
8956 if (!linux_boot
&& net_boot
== 0 &&
8960 /* boot to floppy or the default cd if no hard disk defined yet */
8961 if (!boot_devices
[0]) {
8962 boot_devices
= "cad";
8964 setvbuf(stdout
, NULL
, _IOLBF
, 0);
8974 /* init network clients */
8975 if (nb_net_clients
== 0) {
8976 /* if no clients, we use a default config */
8977 net_clients
[0] = "nic";
8978 net_clients
[1] = "user";
8982 for(i
= 0;i
< nb_net_clients
; i
++) {
8983 if (net_client_init(net_clients
[i
]) < 0)
8986 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
8987 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
8989 if (vlan
->nb_guest_devs
== 0) {
8990 fprintf(stderr
, "Invalid vlan (%d) with no nics\n", vlan
->id
);
8993 if (vlan
->nb_host_devs
== 0)
8995 "Warning: vlan %d is not connected to host network\n",
9000 /* XXX: this should be moved in the PC machine instantiation code */
9001 if (net_boot
!= 0) {
9003 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
9004 const char *model
= nd_table
[i
].model
;
9006 if (net_boot
& (1 << i
)) {
9009 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
9010 if (get_image_size(buf
) > 0) {
9011 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9012 fprintf(stderr
, "Too many option ROMs\n");
9015 option_rom
[nb_option_roms
] = strdup(buf
);
9022 fprintf(stderr
, "No valid PXE rom found for network device\n");
9028 /* init the memory */
9029 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
9031 if (machine
->ram_require
& RAMSIZE_FIXED
) {
9033 if (ram_size
< phys_ram_size
) {
9034 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
9035 machine
->name
, (unsigned long long) phys_ram_size
);
9039 phys_ram_size
= ram_size
;
9041 ram_size
= phys_ram_size
;
9044 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
9046 phys_ram_size
+= ram_size
;
9049 /* Initialize kvm */
9050 #if defined(TARGET_I386) || defined(TARGET_X86_64)
9051 #define KVM_EXTRA_PAGES 3
9053 #define KVM_EXTRA_PAGES 0
9055 if (kvm_enabled()) {
9056 phys_ram_size
+= KVM_EXTRA_PAGES
* TARGET_PAGE_SIZE
;
9057 if (kvm_qemu_create_context() < 0) {
9058 fprintf(stderr
, "Could not create KVM context\n");
9061 #ifdef KVM_CAP_USER_MEMORY
9065 ret
= kvm_qemu_check_extension(KVM_CAP_USER_MEMORY
);
9067 phys_ram_base
= qemu_alloc_physram(phys_ram_size
);
9068 if (!phys_ram_base
) {
9069 fprintf(stderr
, "Could not allocate physical memory\n");
9076 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
9077 if (!phys_ram_base
) {
9078 fprintf(stderr
, "Could not allocate physical memory\n");
9085 /* we always create the cdrom drive, even if no disk is there */
9087 if (nb_drives_opt
< MAX_DRIVES
)
9088 drive_add(NULL
, CDROM_ALIAS
);
9090 /* we always create at least one floppy */
9092 if (nb_drives_opt
< MAX_DRIVES
)
9093 drive_add(NULL
, FD_ALIAS
, 0);
9095 /* we always create one sd slot, even if no card is in it */
9097 if (nb_drives_opt
< MAX_DRIVES
)
9098 drive_add(NULL
, SD_ALIAS
);
9100 /* open the virtual block devices
9101 * note that migration with device
9102 * hot add/remove is broken.
9104 for(i
= 0; i
< nb_drives_opt
; i
++)
9105 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
9108 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
9109 register_savevm("ram", 0, 3, ram_save
, ram_load
, NULL
);
9114 memset(&display_state
, 0, sizeof(display_state
));
9117 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
9120 /* nearly nothing to do */
9121 dumb_display_init(ds
);
9122 } else if (vnc_display
!= NULL
) {
9123 vnc_display_init(ds
);
9124 if (vnc_display_open(ds
, vnc_display
) < 0)
9127 #if defined(CONFIG_CURSES)
9129 curses_display_init(ds
, full_screen
);
9133 #if defined(CONFIG_SDL)
9134 sdl_display_init(ds
, full_screen
, no_frame
);
9135 #elif defined(CONFIG_COCOA)
9136 cocoa_display_init(ds
, full_screen
);
9138 dumb_display_init(ds
);
9142 /* Maintain compatibility with multiple stdio monitors */
9143 if (!strcmp(monitor_device
,"stdio")) {
9144 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9145 const char *devname
= serial_devices
[i
];
9146 if (devname
&& !strcmp(devname
,"mon:stdio")) {
9147 monitor_device
= NULL
;
9149 } else if (devname
&& !strcmp(devname
,"stdio")) {
9150 monitor_device
= NULL
;
9151 serial_devices
[i
] = "mon:stdio";
9156 if (monitor_device
) {
9157 monitor_hd
= qemu_chr_open(monitor_device
);
9159 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
9162 monitor_init(monitor_hd
, !nographic
);
9165 for(i
= 0; i
< MAX_VMCHANNEL_DEVICES
; i
++) {
9166 const char *devname
= vmchannel_devices
[i
];
9167 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9171 if (strstart(devname
, "di:", &devname
)) {
9172 devid
= strtol(devname
, &termn
, 16);
9173 devname
= termn
+ 1;
9176 fprintf(stderr
, "qemu: could not find vmchannel device id '%s'\n",
9180 vmchannel_hds
[i
] = qemu_chr_open(devname
);
9181 if (!vmchannel_hds
[i
]) {
9182 fprintf(stderr
, "qemu: could not open vmchannel device '%s'\n",
9186 vmchannel_init(vmchannel_hds
[i
], devid
, i
);
9190 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9191 const char *devname
= serial_devices
[i
];
9192 if (devname
&& strcmp(devname
, "none")) {
9193 serial_hds
[i
] = qemu_chr_open(devname
);
9194 if (!serial_hds
[i
]) {
9195 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
9199 if (strstart(devname
, "vc", 0))
9200 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
9204 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
9205 const char *devname
= parallel_devices
[i
];
9206 if (devname
&& strcmp(devname
, "none")) {
9207 parallel_hds
[i
] = qemu_chr_open(devname
);
9208 if (!parallel_hds
[i
]) {
9209 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
9213 if (strstart(devname
, "vc", 0))
9214 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
9221 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
9222 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
9224 current_machine
= machine
;
9226 /* init USB devices */
9228 for(i
= 0; i
< usb_devices_index
; i
++) {
9229 if (usb_device_add(usb_devices
[i
]) < 0) {
9230 fprintf(stderr
, "Warning: could not add USB device %s\n",
9236 if (display_state
.dpy_refresh
) {
9237 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
9238 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
9241 #ifdef CONFIG_GDBSTUB
9243 /* XXX: use standard host:port notation and modify options
9245 if (gdbserver_start(gdbstub_port
) < 0) {
9246 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
9258 rc
= migrate_incoming(incoming
);
9260 fprintf(stderr
, "Migration failed rc=%d\n", rc
);
9266 /* XXX: simplify init */
9279 len
= write(fds
[1], &status
, 1);
9280 if (len
== -1 && (errno
== EINTR
))
9287 TFR(fd
= open("/dev/null", O_RDWR
));
9301 #if !defined(_WIN32)
9302 /* close network clients */
9303 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9304 VLANClientState
*vc
;
9306 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
9307 if (vc
->fd_read
== tap_receive
) {
9309 TAPState
*s
= vc
->opaque
;
9311 if (sscanf(vc
->info_str
, "tap: ifname=%63s ", ifname
) == 1 &&
9313 launch_script(s
->down_script
, ifname
, s
->fd
);