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"
30 #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
149 #if HOST_LONG_BITS < 64
150 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
152 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024 * 1024ULL)
156 #define DEFAULT_RAM_SIZE 144
158 #define DEFAULT_RAM_SIZE 128
161 #define GUI_REFRESH_INTERVAL 30
163 /* Max number of USB devices that can be specified on the commandline. */
164 #define MAX_USB_CMDLINE 8
166 /* XXX: use a two level table to limit memory usage */
167 #define MAX_IOPORTS 65536
169 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
170 const char *bios_name
= NULL
;
171 void *ioport_opaque
[MAX_IOPORTS
];
172 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
173 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
174 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
175 to store the VM snapshots */
176 DriveInfo drives_table
[MAX_DRIVES
+1];
178 int extboot_drive
= -1;
179 /* point to the block driver where the snapshots are managed */
180 BlockDriverState
*bs_snapshots
;
182 static DisplayState display_state
;
185 const char* keyboard_layout
= NULL
;
186 int64_t ticks_per_sec
;
188 int pit_min_timer_count
= 0;
190 NICInfo nd_table
[MAX_NICS
];
192 static int rtc_utc
= 1;
193 static int rtc_date_offset
= -1; /* -1 means no change */
194 int cirrus_vga_enabled
= 1;
195 int vmsvga_enabled
= 0;
197 int graphic_width
= 1024;
198 int graphic_height
= 768;
199 int graphic_depth
= 8;
201 int graphic_width
= 800;
202 int graphic_height
= 600;
203 int graphic_depth
= 15;
208 int balloon_used
= 0;
209 CharDriverState
*vmchannel_hds
[MAX_VMCHANNEL_DEVICES
];
210 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
211 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
213 int win2k_install_hack
= 0;
216 static VLANState
*first_vlan
;
218 const char *vnc_display
;
219 #if defined(TARGET_SPARC)
221 #elif defined(TARGET_I386)
223 #elif defined(TARGET_IA64)
228 int acpi_enabled
= 1;
232 int graphic_rotate
= 0;
234 const char *incoming
;
235 const char *option_rom
[MAX_OPTION_ROMS
];
237 int semihosting_enabled
= 0;
239 int time_drift_fix
= 0;
240 unsigned int kvm_shadow_memory
= 0;
241 const char *mem_path
= NULL
;
243 const char *cpu_vendor_string
;
247 const char *qemu_name
;
250 unsigned int nb_prom_envs
= 0;
251 const char *prom_envs
[MAX_PROM_ENVS
];
257 } drives_opt
[MAX_DRIVES
];
259 static CPUState
*cur_cpu
;
260 static CPUState
*next_cpu
;
261 static int event_pending
= 1;
263 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
265 void decorate_application_name(char *appname
, int max_len
)
269 int remain
= max_len
- strlen(appname
) - 1;
272 strncat(appname
, "/KVM", remain
);
276 /***********************************************************/
277 /* x86 ISA bus support */
279 target_phys_addr_t isa_mem_base
= 0;
282 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
284 #ifdef DEBUG_UNUSED_IOPORT
285 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
290 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
292 #ifdef DEBUG_UNUSED_IOPORT
293 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
297 /* default is to make two byte accesses */
298 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
301 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
302 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
303 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
307 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
309 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
310 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
311 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
314 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
316 #ifdef DEBUG_UNUSED_IOPORT
317 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
322 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
324 #ifdef DEBUG_UNUSED_IOPORT
325 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
329 static void init_ioports(void)
333 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
334 ioport_read_table
[0][i
] = default_ioport_readb
;
335 ioport_write_table
[0][i
] = default_ioport_writeb
;
336 ioport_read_table
[1][i
] = default_ioport_readw
;
337 ioport_write_table
[1][i
] = default_ioport_writew
;
338 ioport_read_table
[2][i
] = default_ioport_readl
;
339 ioport_write_table
[2][i
] = default_ioport_writel
;
343 /* size is the word size in byte */
344 int register_ioport_read(int start
, int length
, int size
,
345 IOPortReadFunc
*func
, void *opaque
)
351 } else if (size
== 2) {
353 } else if (size
== 4) {
356 hw_error("register_ioport_read: invalid size");
359 for(i
= start
; i
< start
+ length
; i
+= size
) {
360 ioport_read_table
[bsize
][i
] = func
;
361 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
362 hw_error("register_ioport_read: invalid opaque");
363 ioport_opaque
[i
] = opaque
;
368 /* size is the word size in byte */
369 int register_ioport_write(int start
, int length
, int size
,
370 IOPortWriteFunc
*func
, void *opaque
)
376 } else if (size
== 2) {
378 } else if (size
== 4) {
381 hw_error("register_ioport_write: invalid size");
384 for(i
= start
; i
< start
+ length
; i
+= size
) {
385 ioport_write_table
[bsize
][i
] = func
;
386 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
387 hw_error("register_ioport_write: invalid opaque");
388 ioport_opaque
[i
] = opaque
;
393 void isa_unassign_ioport(int start
, int length
)
397 for(i
= start
; i
< start
+ length
; i
++) {
398 ioport_read_table
[0][i
] = default_ioport_readb
;
399 ioport_read_table
[1][i
] = default_ioport_readw
;
400 ioport_read_table
[2][i
] = default_ioport_readl
;
402 ioport_write_table
[0][i
] = default_ioport_writeb
;
403 ioport_write_table
[1][i
] = default_ioport_writew
;
404 ioport_write_table
[2][i
] = default_ioport_writel
;
408 /***********************************************************/
410 void cpu_outb(CPUState
*env
, int addr
, int val
)
413 if (loglevel
& CPU_LOG_IOPORT
)
414 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
416 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
419 env
->last_io_time
= cpu_get_time_fast();
423 void cpu_outw(CPUState
*env
, int addr
, int val
)
426 if (loglevel
& CPU_LOG_IOPORT
)
427 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
429 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
432 env
->last_io_time
= cpu_get_time_fast();
436 void cpu_outl(CPUState
*env
, int addr
, int val
)
439 if (loglevel
& CPU_LOG_IOPORT
)
440 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
442 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
445 env
->last_io_time
= cpu_get_time_fast();
449 int cpu_inb(CPUState
*env
, int addr
)
452 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
454 if (loglevel
& CPU_LOG_IOPORT
)
455 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
459 env
->last_io_time
= cpu_get_time_fast();
464 int cpu_inw(CPUState
*env
, int addr
)
467 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
469 if (loglevel
& CPU_LOG_IOPORT
)
470 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
474 env
->last_io_time
= cpu_get_time_fast();
479 int cpu_inl(CPUState
*env
, int addr
)
482 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
484 if (loglevel
& CPU_LOG_IOPORT
)
485 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
489 env
->last_io_time
= cpu_get_time_fast();
494 /***********************************************************/
495 void hw_error(const char *fmt
, ...)
501 fprintf(stderr
, "qemu: hardware error: ");
502 vfprintf(stderr
, fmt
, ap
);
503 fprintf(stderr
, "\n");
504 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
505 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
507 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
509 cpu_dump_state(env
, stderr
, fprintf
, 0);
516 /***********************************************************/
519 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
520 static void *qemu_put_kbd_event_opaque
;
521 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
522 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
524 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
526 qemu_put_kbd_event_opaque
= opaque
;
527 qemu_put_kbd_event
= func
;
530 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
531 void *opaque
, int absolute
,
534 QEMUPutMouseEntry
*s
, *cursor
;
536 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
540 s
->qemu_put_mouse_event
= func
;
541 s
->qemu_put_mouse_event_opaque
= opaque
;
542 s
->qemu_put_mouse_event_absolute
= absolute
;
543 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
546 if (!qemu_put_mouse_event_head
) {
547 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
551 cursor
= qemu_put_mouse_event_head
;
552 while (cursor
->next
!= NULL
)
553 cursor
= cursor
->next
;
556 qemu_put_mouse_event_current
= s
;
561 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
563 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
565 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
568 cursor
= qemu_put_mouse_event_head
;
569 while (cursor
!= NULL
&& cursor
!= entry
) {
571 cursor
= cursor
->next
;
574 if (cursor
== NULL
) // does not exist or list empty
576 else if (prev
== NULL
) { // entry is head
577 qemu_put_mouse_event_head
= cursor
->next
;
578 if (qemu_put_mouse_event_current
== entry
)
579 qemu_put_mouse_event_current
= cursor
->next
;
580 qemu_free(entry
->qemu_put_mouse_event_name
);
585 prev
->next
= entry
->next
;
587 if (qemu_put_mouse_event_current
== entry
)
588 qemu_put_mouse_event_current
= prev
;
590 qemu_free(entry
->qemu_put_mouse_event_name
);
594 void kbd_put_keycode(int keycode
)
596 if (qemu_put_kbd_event
) {
597 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
601 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
603 QEMUPutMouseEvent
*mouse_event
;
604 void *mouse_event_opaque
;
607 if (!qemu_put_mouse_event_current
) {
612 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
614 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
617 if (graphic_rotate
) {
618 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
621 width
= graphic_width
;
622 mouse_event(mouse_event_opaque
,
623 width
- dy
, dx
, dz
, buttons_state
);
625 mouse_event(mouse_event_opaque
,
626 dx
, dy
, dz
, buttons_state
);
630 int kbd_mouse_is_absolute(void)
632 if (!qemu_put_mouse_event_current
)
635 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
638 void do_info_mice(void)
640 QEMUPutMouseEntry
*cursor
;
643 if (!qemu_put_mouse_event_head
) {
644 term_printf("No mouse devices connected\n");
648 term_printf("Mouse devices available:\n");
649 cursor
= qemu_put_mouse_event_head
;
650 while (cursor
!= NULL
) {
651 term_printf("%c Mouse #%d: %s\n",
652 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
653 index
, cursor
->qemu_put_mouse_event_name
);
655 cursor
= cursor
->next
;
659 void do_mouse_set(int index
)
661 QEMUPutMouseEntry
*cursor
;
664 if (!qemu_put_mouse_event_head
) {
665 term_printf("No mouse devices connected\n");
669 cursor
= qemu_put_mouse_event_head
;
670 while (cursor
!= NULL
&& index
!= i
) {
672 cursor
= cursor
->next
;
676 qemu_put_mouse_event_current
= cursor
;
678 term_printf("Mouse at given index not found\n");
681 /* compute with 96 bit intermediate result: (a*b)/c */
682 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
687 #ifdef WORDS_BIGENDIAN
697 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
698 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
701 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
705 /***********************************************************/
706 /* real time host monotonic timer */
708 #define QEMU_TIMER_BASE 1000000000LL
712 static int64_t clock_freq
;
714 static void init_get_clock(void)
718 ret
= QueryPerformanceFrequency(&freq
);
720 fprintf(stderr
, "Could not calibrate ticks\n");
723 clock_freq
= freq
.QuadPart
;
726 static int64_t get_clock(void)
729 QueryPerformanceCounter(&ti
);
730 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
735 static int use_rt_clock
;
737 static void init_get_clock(void)
740 #if defined(__linux__)
743 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
750 static int64_t get_clock(void)
752 #if defined(__linux__)
755 clock_gettime(CLOCK_MONOTONIC
, &ts
);
756 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
760 /* XXX: using gettimeofday leads to problems if the date
761 changes, so it should be avoided. */
763 gettimeofday(&tv
, NULL
);
764 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
770 /***********************************************************/
771 /* guest cycle counter */
773 static int64_t cpu_ticks_prev
;
774 static int64_t cpu_ticks_offset
;
775 static int64_t cpu_clock_offset
;
776 static int cpu_ticks_enabled
;
778 /* return the host CPU cycle counter and handle stop/restart */
779 int64_t cpu_get_ticks(void)
781 if (!cpu_ticks_enabled
) {
782 return cpu_ticks_offset
;
785 ticks
= cpu_get_real_ticks();
786 if (cpu_ticks_prev
> ticks
) {
787 /* Note: non increasing ticks may happen if the host uses
789 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
791 cpu_ticks_prev
= ticks
;
792 return ticks
+ cpu_ticks_offset
;
796 /* return the host CPU monotonic timer and handle stop/restart */
797 static int64_t cpu_get_clock(void)
800 if (!cpu_ticks_enabled
) {
801 return cpu_clock_offset
;
804 return ti
+ cpu_clock_offset
;
808 /* enable cpu_get_ticks() */
809 void cpu_enable_ticks(void)
811 if (!cpu_ticks_enabled
) {
812 cpu_ticks_offset
-= cpu_get_real_ticks();
813 cpu_clock_offset
-= get_clock();
814 cpu_ticks_enabled
= 1;
818 /* disable cpu_get_ticks() : the clock is stopped. You must not call
819 cpu_get_ticks() after that. */
820 void cpu_disable_ticks(void)
822 if (cpu_ticks_enabled
) {
823 cpu_ticks_offset
= cpu_get_ticks();
824 cpu_clock_offset
= cpu_get_clock();
825 cpu_ticks_enabled
= 0;
829 /***********************************************************/
832 #define QEMU_TIMER_REALTIME 0
833 #define QEMU_TIMER_VIRTUAL 1
837 /* XXX: add frequency */
845 struct QEMUTimer
*next
;
848 struct qemu_alarm_timer
{
852 int (*start
)(struct qemu_alarm_timer
*t
);
853 void (*stop
)(struct qemu_alarm_timer
*t
);
854 void (*rearm
)(struct qemu_alarm_timer
*t
);
858 #define ALARM_FLAG_DYNTICKS 0x1
859 #define ALARM_FLAG_EXPIRED 0x2
861 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
863 return t
->flags
& ALARM_FLAG_DYNTICKS
;
866 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
868 if (!alarm_has_dynticks(t
))
874 /* TODO: MIN_TIMER_REARM_US should be optimized */
875 #define MIN_TIMER_REARM_US 250
877 static struct qemu_alarm_timer
*alarm_timer
;
881 struct qemu_alarm_win32
{
885 } alarm_win32_data
= {0, NULL
, -1};
887 static int win32_start_timer(struct qemu_alarm_timer
*t
);
888 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
889 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
893 static int unix_start_timer(struct qemu_alarm_timer
*t
);
894 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
898 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
899 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
900 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
902 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
903 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
905 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
906 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
908 #endif /* __linux__ */
912 static struct qemu_alarm_timer alarm_timers
[] = {
915 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
916 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
917 /* HPET - if available - is preferred */
918 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
919 /* ...otherwise try RTC */
920 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
922 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
924 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
925 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
926 {"win32", 0, win32_start_timer
,
927 win32_stop_timer
, NULL
, &alarm_win32_data
},
932 static void show_available_alarms()
936 printf("Available alarm timers, in order of precedence:\n");
937 for (i
= 0; alarm_timers
[i
].name
; i
++)
938 printf("%s\n", alarm_timers
[i
].name
);
941 static void configure_alarms(char const *opt
)
945 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
949 if (!strcmp(opt
, "help")) {
950 show_available_alarms();
956 /* Reorder the array */
957 name
= strtok(arg
, ",");
959 struct qemu_alarm_timer tmp
;
961 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
962 if (!strcmp(alarm_timers
[i
].name
, name
))
967 fprintf(stderr
, "Unknown clock %s\n", name
);
976 tmp
= alarm_timers
[i
];
977 alarm_timers
[i
] = alarm_timers
[cur
];
978 alarm_timers
[cur
] = tmp
;
982 name
= strtok(NULL
, ",");
988 /* Disable remaining timers */
989 for (i
= cur
; i
< count
; i
++)
990 alarm_timers
[i
].name
= NULL
;
994 show_available_alarms();
1000 static QEMUTimer
*active_timers
[2];
1002 static QEMUClock
*qemu_new_clock(int type
)
1005 clock
= qemu_mallocz(sizeof(QEMUClock
));
1012 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1016 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1019 ts
->opaque
= opaque
;
1023 void qemu_free_timer(QEMUTimer
*ts
)
1028 /* stop a timer, but do not dealloc it */
1029 void qemu_del_timer(QEMUTimer
*ts
)
1033 /* NOTE: this code must be signal safe because
1034 qemu_timer_expired() can be called from a signal. */
1035 pt
= &active_timers
[ts
->clock
->type
];
1048 /* modify the current timer so that it will be fired when current_time
1049 >= expire_time. The corresponding callback will be called. */
1050 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1056 /* add the timer in the sorted list */
1057 /* NOTE: this code must be signal safe because
1058 qemu_timer_expired() can be called from a signal. */
1059 pt
= &active_timers
[ts
->clock
->type
];
1064 if (t
->expire_time
> expire_time
)
1068 ts
->expire_time
= expire_time
;
1072 /* Rearm if necessary */
1073 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0 &&
1074 pt
== &active_timers
[ts
->clock
->type
])
1075 qemu_rearm_alarm_timer(alarm_timer
);
1078 int qemu_timer_pending(QEMUTimer
*ts
)
1081 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1088 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1092 return (timer_head
->expire_time
<= current_time
);
1095 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1101 if (!ts
|| ts
->expire_time
> current_time
)
1103 /* remove timer from the list before calling the callback */
1104 *ptimer_head
= ts
->next
;
1107 /* run the callback (the timer list can be modified) */
1112 int64_t qemu_get_clock(QEMUClock
*clock
)
1114 switch(clock
->type
) {
1115 case QEMU_TIMER_REALTIME
:
1116 return get_clock() / 1000000;
1118 case QEMU_TIMER_VIRTUAL
:
1119 return cpu_get_clock();
1123 static void init_timers(void)
1126 ticks_per_sec
= QEMU_TIMER_BASE
;
1127 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1128 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1132 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1134 uint64_t expire_time
;
1136 if (qemu_timer_pending(ts
)) {
1137 expire_time
= ts
->expire_time
;
1141 qemu_put_be64(f
, expire_time
);
1144 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1146 uint64_t expire_time
;
1148 expire_time
= qemu_get_be64(f
);
1149 if (expire_time
!= -1) {
1150 qemu_mod_timer(ts
, expire_time
);
1156 static void timer_save(QEMUFile
*f
, void *opaque
)
1158 if (cpu_ticks_enabled
) {
1159 hw_error("cannot save state if virtual timers are running");
1161 qemu_put_be64(f
, cpu_ticks_offset
);
1162 qemu_put_be64(f
, ticks_per_sec
);
1163 qemu_put_be64(f
, cpu_clock_offset
);
1166 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1168 if (version_id
!= 1 && version_id
!= 2)
1170 if (cpu_ticks_enabled
) {
1173 cpu_ticks_offset
=qemu_get_be64(f
);
1174 ticks_per_sec
=qemu_get_be64(f
);
1175 if (version_id
== 2) {
1176 cpu_clock_offset
=qemu_get_be64(f
);
1182 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1183 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1185 static void host_alarm_handler(int host_signum
)
1189 #define DISP_FREQ 1000
1191 static int64_t delta_min
= INT64_MAX
;
1192 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1194 ti
= qemu_get_clock(vm_clock
);
1195 if (last_clock
!= 0) {
1196 delta
= ti
- last_clock
;
1197 if (delta
< delta_min
)
1199 if (delta
> delta_max
)
1202 if (++count
== DISP_FREQ
) {
1203 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1204 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1205 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1206 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1207 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1209 delta_min
= INT64_MAX
;
1218 alarm_has_dynticks(alarm_timer
) ||
1219 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1220 qemu_get_clock(vm_clock
)) ||
1221 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1222 qemu_get_clock(rt_clock
))) {
1224 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1225 SetEvent(data
->host_alarm
);
1227 CPUState
*env
= next_cpu
;
1229 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1232 /* stop the currently executing cpu because a timer occured */
1233 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1235 if (env
->kqemu_enabled
) {
1236 kqemu_cpu_interrupt(env
);
1244 static uint64_t qemu_next_deadline(void)
1246 int64_t nearest_delta_us
= INT64_MAX
;
1249 if (active_timers
[QEMU_TIMER_REALTIME
])
1250 nearest_delta_us
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1251 qemu_get_clock(rt_clock
))*1000;
1253 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1255 vmdelta_us
= (active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1256 qemu_get_clock(vm_clock
)+999)/1000;
1257 if (vmdelta_us
< nearest_delta_us
)
1258 nearest_delta_us
= vmdelta_us
;
1261 /* Avoid arming the timer to negative, zero, or too low values */
1262 if (nearest_delta_us
<= MIN_TIMER_REARM_US
)
1263 nearest_delta_us
= MIN_TIMER_REARM_US
;
1265 return nearest_delta_us
;
1270 #if defined(__linux__)
1272 #define RTC_FREQ 1024
1274 static void enable_sigio_timer(int fd
)
1276 struct sigaction act
;
1279 sigfillset(&act
.sa_mask
);
1281 act
.sa_handler
= host_alarm_handler
;
1283 sigaction(SIGIO
, &act
, NULL
);
1284 fcntl(fd
, F_SETFL
, O_ASYNC
);
1285 fcntl(fd
, F_SETOWN
, getpid());
1288 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1290 struct hpet_info info
;
1293 fd
= open("/dev/hpet", O_RDONLY
);
1298 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1300 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1301 "error, but for better emulation accuracy type:\n"
1302 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1306 /* Check capabilities */
1307 r
= ioctl(fd
, HPET_INFO
, &info
);
1311 /* Enable periodic mode */
1312 r
= ioctl(fd
, HPET_EPI
, 0);
1313 if (info
.hi_flags
&& (r
< 0))
1316 /* Enable interrupt */
1317 r
= ioctl(fd
, HPET_IE_ON
, 0);
1321 enable_sigio_timer(fd
);
1322 t
->priv
= (void *)(long)fd
;
1330 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1332 int fd
= (long)t
->priv
;
1337 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1340 unsigned long current_rtc_freq
= 0;
1342 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1345 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1346 if (current_rtc_freq
!= RTC_FREQ
&&
1347 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1348 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1349 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1350 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1353 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1359 enable_sigio_timer(rtc_fd
);
1361 t
->priv
= (void *)(long)rtc_fd
;
1366 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1368 int rtc_fd
= (long)t
->priv
;
1373 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1377 struct sigaction act
;
1379 sigfillset(&act
.sa_mask
);
1381 act
.sa_handler
= host_alarm_handler
;
1383 sigaction(SIGALRM
, &act
, NULL
);
1385 ev
.sigev_value
.sival_int
= 0;
1386 ev
.sigev_notify
= SIGEV_SIGNAL
;
1387 ev
.sigev_signo
= SIGALRM
;
1389 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1390 perror("timer_create");
1392 /* disable dynticks */
1393 fprintf(stderr
, "Dynamic Ticks disabled\n");
1398 t
->priv
= (void *)host_timer
;
1403 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1405 timer_t host_timer
= (timer_t
)t
->priv
;
1407 timer_delete(host_timer
);
1410 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1412 timer_t host_timer
= (timer_t
)t
->priv
;
1413 struct itimerspec timeout
;
1414 int64_t nearest_delta_us
= INT64_MAX
;
1417 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1418 !active_timers
[QEMU_TIMER_VIRTUAL
])
1421 nearest_delta_us
= qemu_next_deadline();
1423 /* check whether a timer is already running */
1424 if (timer_gettime(host_timer
, &timeout
)) {
1426 fprintf(stderr
, "Internal timer error: aborting\n");
1429 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1430 if (current_us
&& current_us
<= nearest_delta_us
)
1433 timeout
.it_interval
.tv_sec
= 0;
1434 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1435 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1436 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1437 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1439 fprintf(stderr
, "Internal timer error: aborting\n");
1444 #endif /* defined(__linux__) */
1446 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1448 struct sigaction act
;
1449 struct itimerval itv
;
1453 sigfillset(&act
.sa_mask
);
1455 act
.sa_handler
= host_alarm_handler
;
1457 sigaction(SIGALRM
, &act
, NULL
);
1459 itv
.it_interval
.tv_sec
= 0;
1460 /* for i386 kernel 2.6 to get 1 ms */
1461 itv
.it_interval
.tv_usec
= 999;
1462 itv
.it_value
.tv_sec
= 0;
1463 itv
.it_value
.tv_usec
= 10 * 1000;
1465 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1472 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1474 struct itimerval itv
;
1476 memset(&itv
, 0, sizeof(itv
));
1477 setitimer(ITIMER_REAL
, &itv
, NULL
);
1480 #endif /* !defined(_WIN32) */
1484 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1487 struct qemu_alarm_win32
*data
= t
->priv
;
1490 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1491 if (!data
->host_alarm
) {
1492 perror("Failed CreateEvent");
1496 memset(&tc
, 0, sizeof(tc
));
1497 timeGetDevCaps(&tc
, sizeof(tc
));
1499 if (data
->period
< tc
.wPeriodMin
)
1500 data
->period
= tc
.wPeriodMin
;
1502 timeBeginPeriod(data
->period
);
1504 flags
= TIME_CALLBACK_FUNCTION
;
1505 if (alarm_has_dynticks(t
))
1506 flags
|= TIME_ONESHOT
;
1508 flags
|= TIME_PERIODIC
;
1510 data
->timerId
= timeSetEvent(1, // interval (ms)
1511 data
->period
, // resolution
1512 host_alarm_handler
, // function
1513 (DWORD
)t
, // parameter
1516 if (!data
->timerId
) {
1517 perror("Failed to initialize win32 alarm timer");
1519 timeEndPeriod(data
->period
);
1520 CloseHandle(data
->host_alarm
);
1524 qemu_add_wait_object(data
->host_alarm
, NULL
, NULL
);
1529 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1531 struct qemu_alarm_win32
*data
= t
->priv
;
1533 timeKillEvent(data
->timerId
);
1534 timeEndPeriod(data
->period
);
1536 CloseHandle(data
->host_alarm
);
1539 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1541 struct qemu_alarm_win32
*data
= t
->priv
;
1542 uint64_t nearest_delta_us
;
1544 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1545 !active_timers
[QEMU_TIMER_VIRTUAL
])
1548 nearest_delta_us
= qemu_next_deadline();
1549 nearest_delta_us
/= 1000;
1551 timeKillEvent(data
->timerId
);
1553 data
->timerId
= timeSetEvent(1,
1557 TIME_ONESHOT
| TIME_PERIODIC
);
1559 if (!data
->timerId
) {
1560 perror("Failed to re-arm win32 alarm timer");
1562 timeEndPeriod(data
->period
);
1563 CloseHandle(data
->host_alarm
);
1570 static void init_timer_alarm(void)
1572 struct qemu_alarm_timer
*t
;
1575 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1576 t
= &alarm_timers
[i
];
1584 fprintf(stderr
, "Unable to find any suitable alarm timer.\n");
1585 fprintf(stderr
, "Terminating\n");
1592 static void quit_timers(void)
1594 alarm_timer
->stop(alarm_timer
);
1598 /***********************************************************/
1599 /* host time/date access */
1600 void qemu_get_timedate(struct tm
*tm
, int offset
)
1607 if (rtc_date_offset
== -1) {
1611 ret
= localtime(&ti
);
1613 ti
-= rtc_date_offset
;
1617 memcpy(tm
, ret
, sizeof(struct tm
));
1620 int qemu_timedate_diff(struct tm
*tm
)
1624 if (rtc_date_offset
== -1)
1626 seconds
= mktimegm(tm
);
1628 seconds
= mktime(tm
);
1630 seconds
= mktimegm(tm
) + rtc_date_offset
;
1632 return seconds
- time(NULL
);
1635 /***********************************************************/
1636 /* character device */
1638 static void qemu_chr_event(CharDriverState
*s
, int event
)
1642 s
->chr_event(s
->handler_opaque
, event
);
1645 static void qemu_chr_reset_bh(void *opaque
)
1647 CharDriverState
*s
= opaque
;
1648 qemu_chr_event(s
, CHR_EVENT_RESET
);
1649 qemu_bh_delete(s
->bh
);
1653 void qemu_chr_reset(CharDriverState
*s
)
1655 if (s
->bh
== NULL
) {
1656 s
->bh
= qemu_bh_new(qemu_chr_reset_bh
, s
);
1657 qemu_bh_schedule(s
->bh
);
1661 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
1663 return s
->chr_write(s
, buf
, len
);
1666 int qemu_chr_ioctl(CharDriverState
*s
, int cmd
, void *arg
)
1670 return s
->chr_ioctl(s
, cmd
, arg
);
1673 int qemu_chr_can_read(CharDriverState
*s
)
1675 if (!s
->chr_can_read
)
1677 return s
->chr_can_read(s
->handler_opaque
);
1680 void qemu_chr_read(CharDriverState
*s
, uint8_t *buf
, int len
)
1682 s
->chr_read(s
->handler_opaque
, buf
, len
);
1685 void qemu_chr_accept_input(CharDriverState
*s
)
1687 if (s
->chr_accept_input
)
1688 s
->chr_accept_input(s
);
1691 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
1696 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
1697 qemu_chr_write(s
, (uint8_t *)buf
, strlen(buf
));
1701 void qemu_chr_send_event(CharDriverState
*s
, int event
)
1703 if (s
->chr_send_event
)
1704 s
->chr_send_event(s
, event
);
1707 void qemu_chr_add_handlers(CharDriverState
*s
,
1708 IOCanRWHandler
*fd_can_read
,
1709 IOReadHandler
*fd_read
,
1710 IOEventHandler
*fd_event
,
1713 s
->chr_can_read
= fd_can_read
;
1714 s
->chr_read
= fd_read
;
1715 s
->chr_event
= fd_event
;
1716 s
->handler_opaque
= opaque
;
1717 if (s
->chr_update_read_handler
)
1718 s
->chr_update_read_handler(s
);
1721 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1726 static CharDriverState
*qemu_chr_open_null(void)
1728 CharDriverState
*chr
;
1730 chr
= qemu_mallocz(sizeof(CharDriverState
));
1733 chr
->chr_write
= null_chr_write
;
1737 /* MUX driver for serial I/O splitting */
1738 static int term_timestamps
;
1739 static int64_t term_timestamps_start
;
1741 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
1742 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1744 IOCanRWHandler
*chr_can_read
[MAX_MUX
];
1745 IOReadHandler
*chr_read
[MAX_MUX
];
1746 IOEventHandler
*chr_event
[MAX_MUX
];
1747 void *ext_opaque
[MAX_MUX
];
1748 CharDriverState
*drv
;
1749 unsigned char buffer
[MUX_BUFFER_SIZE
];
1753 int term_got_escape
;
1758 static int mux_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1760 MuxDriver
*d
= chr
->opaque
;
1762 if (!term_timestamps
) {
1763 ret
= d
->drv
->chr_write(d
->drv
, buf
, len
);
1768 for(i
= 0; i
< len
; i
++) {
1769 ret
+= d
->drv
->chr_write(d
->drv
, buf
+i
, 1);
1770 if (buf
[i
] == '\n') {
1776 if (term_timestamps_start
== -1)
1777 term_timestamps_start
= ti
;
1778 ti
-= term_timestamps_start
;
1779 secs
= ti
/ 1000000000;
1780 snprintf(buf1
, sizeof(buf1
),
1781 "[%02d:%02d:%02d.%03d] ",
1785 (int)((ti
/ 1000000) % 1000));
1786 d
->drv
->chr_write(d
->drv
, (uint8_t *)buf1
, strlen(buf1
));
1793 static char *mux_help
[] = {
1794 "% h print this help\n\r",
1795 "% x exit emulator\n\r",
1796 "% s save disk data back to file (if -snapshot)\n\r",
1797 "% t toggle console timestamps\n\r"
1798 "% b send break (magic sysrq)\n\r",
1799 "% c switch between console and monitor\n\r",
1804 static int term_escape_char
= 0x01; /* ctrl-a is used for escape */
1805 static void mux_print_help(CharDriverState
*chr
)
1808 char ebuf
[15] = "Escape-Char";
1809 char cbuf
[50] = "\n\r";
1811 if (term_escape_char
> 0 && term_escape_char
< 26) {
1812 sprintf(cbuf
,"\n\r");
1813 sprintf(ebuf
,"C-%c", term_escape_char
- 1 + 'a');
1815 sprintf(cbuf
,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1818 chr
->chr_write(chr
, (uint8_t *)cbuf
, strlen(cbuf
));
1819 for (i
= 0; mux_help
[i
] != NULL
; i
++) {
1820 for (j
=0; mux_help
[i
][j
] != '\0'; j
++) {
1821 if (mux_help
[i
][j
] == '%')
1822 chr
->chr_write(chr
, (uint8_t *)ebuf
, strlen(ebuf
));
1824 chr
->chr_write(chr
, (uint8_t *)&mux_help
[i
][j
], 1);
1829 static int mux_proc_byte(CharDriverState
*chr
, MuxDriver
*d
, int ch
)
1831 if (d
->term_got_escape
) {
1832 d
->term_got_escape
= 0;
1833 if (ch
== term_escape_char
)
1838 mux_print_help(chr
);
1842 char *term
= "QEMU: Terminated\n\r";
1843 chr
->chr_write(chr
,(uint8_t *)term
,strlen(term
));
1850 for (i
= 0; i
< nb_drives
; i
++) {
1851 bdrv_commit(drives_table
[i
].bdrv
);
1856 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
1859 /* Switch to the next registered device */
1861 if (chr
->focus
>= d
->mux_cnt
)
1865 term_timestamps
= !term_timestamps
;
1866 term_timestamps_start
= -1;
1869 } else if (ch
== term_escape_char
) {
1870 d
->term_got_escape
= 1;
1878 static void mux_chr_accept_input(CharDriverState
*chr
)
1881 MuxDriver
*d
= chr
->opaque
;
1883 while (d
->prod
!= d
->cons
&&
1884 d
->chr_can_read
[m
] &&
1885 d
->chr_can_read
[m
](d
->ext_opaque
[m
])) {
1886 d
->chr_read
[m
](d
->ext_opaque
[m
],
1887 &d
->buffer
[d
->cons
++ & MUX_BUFFER_MASK
], 1);
1891 static int mux_chr_can_read(void *opaque
)
1893 CharDriverState
*chr
= opaque
;
1894 MuxDriver
*d
= chr
->opaque
;
1896 if ((d
->prod
- d
->cons
) < MUX_BUFFER_SIZE
)
1898 if (d
->chr_can_read
[chr
->focus
])
1899 return d
->chr_can_read
[chr
->focus
](d
->ext_opaque
[chr
->focus
]);
1903 static void mux_chr_read(void *opaque
, const uint8_t *buf
, int size
)
1905 CharDriverState
*chr
= opaque
;
1906 MuxDriver
*d
= chr
->opaque
;
1910 mux_chr_accept_input (opaque
);
1912 for(i
= 0; i
< size
; i
++)
1913 if (mux_proc_byte(chr
, d
, buf
[i
])) {
1914 if (d
->prod
== d
->cons
&&
1915 d
->chr_can_read
[m
] &&
1916 d
->chr_can_read
[m
](d
->ext_opaque
[m
]))
1917 d
->chr_read
[m
](d
->ext_opaque
[m
], &buf
[i
], 1);
1919 d
->buffer
[d
->prod
++ & MUX_BUFFER_MASK
] = buf
[i
];
1923 static void mux_chr_event(void *opaque
, int event
)
1925 CharDriverState
*chr
= opaque
;
1926 MuxDriver
*d
= chr
->opaque
;
1929 /* Send the event to all registered listeners */
1930 for (i
= 0; i
< d
->mux_cnt
; i
++)
1931 if (d
->chr_event
[i
])
1932 d
->chr_event
[i
](d
->ext_opaque
[i
], event
);
1935 static void mux_chr_update_read_handler(CharDriverState
*chr
)
1937 MuxDriver
*d
= chr
->opaque
;
1939 if (d
->mux_cnt
>= MAX_MUX
) {
1940 fprintf(stderr
, "Cannot add I/O handlers, MUX array is full\n");
1943 d
->ext_opaque
[d
->mux_cnt
] = chr
->handler_opaque
;
1944 d
->chr_can_read
[d
->mux_cnt
] = chr
->chr_can_read
;
1945 d
->chr_read
[d
->mux_cnt
] = chr
->chr_read
;
1946 d
->chr_event
[d
->mux_cnt
] = chr
->chr_event
;
1947 /* Fix up the real driver with mux routines */
1948 if (d
->mux_cnt
== 0) {
1949 qemu_chr_add_handlers(d
->drv
, mux_chr_can_read
, mux_chr_read
,
1950 mux_chr_event
, chr
);
1952 chr
->focus
= d
->mux_cnt
;
1956 static CharDriverState
*qemu_chr_open_mux(CharDriverState
*drv
)
1958 CharDriverState
*chr
;
1961 chr
= qemu_mallocz(sizeof(CharDriverState
));
1964 d
= qemu_mallocz(sizeof(MuxDriver
));
1973 chr
->chr_write
= mux_chr_write
;
1974 chr
->chr_update_read_handler
= mux_chr_update_read_handler
;
1975 chr
->chr_accept_input
= mux_chr_accept_input
;
1982 static void socket_cleanup(void)
1987 static int socket_init(void)
1992 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1994 err
= WSAGetLastError();
1995 fprintf(stderr
, "WSAStartup: %d\n", err
);
1998 atexit(socket_cleanup
);
2002 static int send_all(int fd
, const uint8_t *buf
, int len1
)
2008 ret
= send(fd
, buf
, len
, 0);
2011 errno
= WSAGetLastError();
2012 if (errno
!= WSAEWOULDBLOCK
) {
2015 } else if (ret
== 0) {
2025 void socket_set_nonblock(int fd
)
2027 unsigned long opt
= 1;
2028 ioctlsocket(fd
, FIONBIO
, &opt
);
2033 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
2039 ret
= write(fd
, buf
, len
);
2041 if (errno
!= EINTR
&& errno
!= EAGAIN
)
2043 } else if (ret
== 0) {
2053 static inline int send_all(int fd
, const uint8_t *buf
, int len1
)
2055 return unix_write(fd
, buf
, len1
);
2058 void socket_set_nonblock(int fd
)
2060 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2062 #endif /* !_WIN32 */
2071 #define STDIO_MAX_CLIENTS 1
2072 static int stdio_nb_clients
= 0;
2074 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2076 FDCharDriver
*s
= chr
->opaque
;
2077 return unix_write(s
->fd_out
, buf
, len
);
2080 static int fd_chr_read_poll(void *opaque
)
2082 CharDriverState
*chr
= opaque
;
2083 FDCharDriver
*s
= chr
->opaque
;
2085 s
->max_size
= qemu_chr_can_read(chr
);
2089 static void fd_chr_read(void *opaque
)
2091 CharDriverState
*chr
= opaque
;
2092 FDCharDriver
*s
= chr
->opaque
;
2097 if (len
> s
->max_size
)
2101 size
= read(s
->fd_in
, buf
, len
);
2103 /* FD has been closed. Remove it from the active list. */
2104 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2108 qemu_chr_read(chr
, buf
, size
);
2112 static void fd_chr_update_read_handler(CharDriverState
*chr
)
2114 FDCharDriver
*s
= chr
->opaque
;
2116 if (s
->fd_in
>= 0) {
2117 if (nographic
&& s
->fd_in
== 0) {
2119 qemu_set_fd_handler2(s
->fd_in
, fd_chr_read_poll
,
2120 fd_chr_read
, NULL
, chr
);
2125 static void fd_chr_close(struct CharDriverState
*chr
)
2127 FDCharDriver
*s
= chr
->opaque
;
2129 if (s
->fd_in
>= 0) {
2130 if (nographic
&& s
->fd_in
== 0) {
2132 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2139 /* open a character device to a unix fd */
2140 static CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
2142 CharDriverState
*chr
;
2145 chr
= qemu_mallocz(sizeof(CharDriverState
));
2148 s
= qemu_mallocz(sizeof(FDCharDriver
));
2156 chr
->chr_write
= fd_chr_write
;
2157 chr
->chr_update_read_handler
= fd_chr_update_read_handler
;
2158 chr
->chr_close
= fd_chr_close
;
2160 qemu_chr_reset(chr
);
2165 static CharDriverState
*qemu_chr_open_file_out(const char *file_out
)
2169 TFR(fd_out
= open(file_out
, O_WRONLY
| O_TRUNC
| O_CREAT
| O_BINARY
, 0666));
2172 return qemu_chr_open_fd(-1, fd_out
);
2175 static CharDriverState
*qemu_chr_open_pipe(const char *filename
)
2178 char filename_in
[256], filename_out
[256];
2180 snprintf(filename_in
, 256, "%s.in", filename
);
2181 snprintf(filename_out
, 256, "%s.out", filename
);
2182 TFR(fd_in
= open(filename_in
, O_RDWR
| O_BINARY
));
2183 TFR(fd_out
= open(filename_out
, O_RDWR
| O_BINARY
));
2184 if (fd_in
< 0 || fd_out
< 0) {
2189 TFR(fd_in
= fd_out
= open(filename
, O_RDWR
| O_BINARY
));
2193 return qemu_chr_open_fd(fd_in
, fd_out
);
2197 /* for STDIO, we handle the case where several clients use it
2200 #define TERM_FIFO_MAX_SIZE 1
2202 static uint8_t term_fifo
[TERM_FIFO_MAX_SIZE
];
2203 static int term_fifo_size
;
2205 static int stdio_read_poll(void *opaque
)
2207 CharDriverState
*chr
= opaque
;
2209 /* try to flush the queue if needed */
2210 if (term_fifo_size
!= 0 && qemu_chr_can_read(chr
) > 0) {
2211 qemu_chr_read(chr
, term_fifo
, 1);
2214 /* see if we can absorb more chars */
2215 if (term_fifo_size
== 0)
2221 static void stdio_read(void *opaque
)
2225 CharDriverState
*chr
= opaque
;
2227 size
= read(0, buf
, 1);
2229 /* stdin has been closed. Remove it from the active list. */
2230 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2234 if (qemu_chr_can_read(chr
) > 0) {
2235 qemu_chr_read(chr
, buf
, 1);
2236 } else if (term_fifo_size
== 0) {
2237 term_fifo
[term_fifo_size
++] = buf
[0];
2242 /* init terminal so that we can grab keys */
2243 static struct termios oldtty
;
2244 static int old_fd0_flags
;
2245 static int term_atexit_done
;
2247 static void term_exit(void)
2249 tcsetattr (0, TCSANOW
, &oldtty
);
2250 fcntl(0, F_SETFL
, old_fd0_flags
);
2253 static void term_init(void)
2257 tcgetattr (0, &tty
);
2259 old_fd0_flags
= fcntl(0, F_GETFL
);
2261 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2262 |INLCR
|IGNCR
|ICRNL
|IXON
);
2263 tty
.c_oflag
|= OPOST
;
2264 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
2265 /* if graphical mode, we allow Ctrl-C handling */
2267 tty
.c_lflag
&= ~ISIG
;
2268 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
2271 tty
.c_cc
[VTIME
] = 0;
2273 tcsetattr (0, TCSANOW
, &tty
);
2275 if (!term_atexit_done
++)
2278 fcntl(0, F_SETFL
, O_NONBLOCK
);
2281 static void qemu_chr_close_stdio(struct CharDriverState
*chr
)
2285 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2289 static CharDriverState
*qemu_chr_open_stdio(void)
2291 CharDriverState
*chr
;
2293 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
2295 chr
= qemu_chr_open_fd(0, 1);
2296 chr
->chr_close
= qemu_chr_close_stdio
;
2297 qemu_set_fd_handler2(0, stdio_read_poll
, stdio_read
, NULL
, chr
);
2304 #if defined(__linux__) || defined(__sun__)
2305 static CharDriverState
*qemu_chr_open_pty(void)
2308 char slave_name
[1024];
2309 int master_fd
, slave_fd
;
2311 #if defined(__linux__)
2312 /* Not satisfying */
2313 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
2318 /* Disabling local echo and line-buffered output */
2319 tcgetattr (master_fd
, &tty
);
2320 tty
.c_lflag
&= ~(ECHO
|ICANON
|ISIG
);
2322 tty
.c_cc
[VTIME
] = 0;
2323 tcsetattr (master_fd
, TCSAFLUSH
, &tty
);
2325 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
2326 return qemu_chr_open_fd(master_fd
, master_fd
);
2329 static void tty_serial_init(int fd
, int speed
,
2330 int parity
, int data_bits
, int stop_bits
)
2336 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2337 speed
, parity
, data_bits
, stop_bits
);
2339 tcgetattr (fd
, &tty
);
2342 if (speed
<= 50 * MARGIN
)
2344 else if (speed
<= 75 * MARGIN
)
2346 else if (speed
<= 300 * MARGIN
)
2348 else if (speed
<= 600 * MARGIN
)
2350 else if (speed
<= 1200 * MARGIN
)
2352 else if (speed
<= 2400 * MARGIN
)
2354 else if (speed
<= 4800 * MARGIN
)
2356 else if (speed
<= 9600 * MARGIN
)
2358 else if (speed
<= 19200 * MARGIN
)
2360 else if (speed
<= 38400 * MARGIN
)
2362 else if (speed
<= 57600 * MARGIN
)
2364 else if (speed
<= 115200 * MARGIN
)
2369 cfsetispeed(&tty
, spd
);
2370 cfsetospeed(&tty
, spd
);
2372 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2373 |INLCR
|IGNCR
|ICRNL
|IXON
);
2374 tty
.c_oflag
|= OPOST
;
2375 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
|ISIG
);
2376 tty
.c_cflag
&= ~(CSIZE
|PARENB
|PARODD
|CRTSCTS
|CSTOPB
);
2397 tty
.c_cflag
|= PARENB
;
2400 tty
.c_cflag
|= PARENB
| PARODD
;
2404 tty
.c_cflag
|= CSTOPB
;
2406 tcsetattr (fd
, TCSANOW
, &tty
);
2409 static int tty_serial_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2411 FDCharDriver
*s
= chr
->opaque
;
2414 case CHR_IOCTL_SERIAL_SET_PARAMS
:
2416 QEMUSerialSetParams
*ssp
= arg
;
2417 tty_serial_init(s
->fd_in
, ssp
->speed
, ssp
->parity
,
2418 ssp
->data_bits
, ssp
->stop_bits
);
2421 case CHR_IOCTL_SERIAL_SET_BREAK
:
2423 int enable
= *(int *)arg
;
2425 tcsendbreak(s
->fd_in
, 1);
2434 static CharDriverState
*qemu_chr_open_tty(const char *filename
)
2436 CharDriverState
*chr
;
2439 TFR(fd
= open(filename
, O_RDWR
| O_NONBLOCK
));
2440 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2441 tty_serial_init(fd
, 115200, 'N', 8, 1);
2442 chr
= qemu_chr_open_fd(fd
, fd
);
2447 chr
->chr_ioctl
= tty_serial_ioctl
;
2448 qemu_chr_reset(chr
);
2451 #else /* ! __linux__ && ! __sun__ */
2452 static CharDriverState
*qemu_chr_open_pty(void)
2456 #endif /* __linux__ || __sun__ */
2458 #if defined(__linux__)
2462 } ParallelCharDriver
;
2464 static int pp_hw_mode(ParallelCharDriver
*s
, uint16_t mode
)
2466 if (s
->mode
!= mode
) {
2468 if (ioctl(s
->fd
, PPSETMODE
, &m
) < 0)
2475 static int pp_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2477 ParallelCharDriver
*drv
= chr
->opaque
;
2482 case CHR_IOCTL_PP_READ_DATA
:
2483 if (ioctl(fd
, PPRDATA
, &b
) < 0)
2485 *(uint8_t *)arg
= b
;
2487 case CHR_IOCTL_PP_WRITE_DATA
:
2488 b
= *(uint8_t *)arg
;
2489 if (ioctl(fd
, PPWDATA
, &b
) < 0)
2492 case CHR_IOCTL_PP_READ_CONTROL
:
2493 if (ioctl(fd
, PPRCONTROL
, &b
) < 0)
2495 /* Linux gives only the lowest bits, and no way to know data
2496 direction! For better compatibility set the fixed upper
2498 *(uint8_t *)arg
= b
| 0xc0;
2500 case CHR_IOCTL_PP_WRITE_CONTROL
:
2501 b
= *(uint8_t *)arg
;
2502 if (ioctl(fd
, PPWCONTROL
, &b
) < 0)
2505 case CHR_IOCTL_PP_READ_STATUS
:
2506 if (ioctl(fd
, PPRSTATUS
, &b
) < 0)
2508 *(uint8_t *)arg
= b
;
2510 case CHR_IOCTL_PP_EPP_READ_ADDR
:
2511 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2512 struct ParallelIOArg
*parg
= arg
;
2513 int n
= read(fd
, parg
->buffer
, parg
->count
);
2514 if (n
!= parg
->count
) {
2519 case CHR_IOCTL_PP_EPP_READ
:
2520 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2521 struct ParallelIOArg
*parg
= arg
;
2522 int n
= read(fd
, parg
->buffer
, parg
->count
);
2523 if (n
!= parg
->count
) {
2528 case CHR_IOCTL_PP_EPP_WRITE_ADDR
:
2529 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2530 struct ParallelIOArg
*parg
= arg
;
2531 int n
= write(fd
, parg
->buffer
, parg
->count
);
2532 if (n
!= parg
->count
) {
2537 case CHR_IOCTL_PP_EPP_WRITE
:
2538 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2539 struct ParallelIOArg
*parg
= arg
;
2540 int n
= write(fd
, parg
->buffer
, parg
->count
);
2541 if (n
!= parg
->count
) {
2552 static void pp_close(CharDriverState
*chr
)
2554 ParallelCharDriver
*drv
= chr
->opaque
;
2557 pp_hw_mode(drv
, IEEE1284_MODE_COMPAT
);
2558 ioctl(fd
, PPRELEASE
);
2563 static CharDriverState
*qemu_chr_open_pp(const char *filename
)
2565 CharDriverState
*chr
;
2566 ParallelCharDriver
*drv
;
2569 TFR(fd
= open(filename
, O_RDWR
));
2573 if (ioctl(fd
, PPCLAIM
) < 0) {
2578 drv
= qemu_mallocz(sizeof(ParallelCharDriver
));
2584 drv
->mode
= IEEE1284_MODE_COMPAT
;
2586 chr
= qemu_mallocz(sizeof(CharDriverState
));
2592 chr
->chr_write
= null_chr_write
;
2593 chr
->chr_ioctl
= pp_ioctl
;
2594 chr
->chr_close
= pp_close
;
2597 qemu_chr_reset(chr
);
2601 #endif /* __linux__ */
2607 HANDLE hcom
, hrecv
, hsend
;
2608 OVERLAPPED orecv
, osend
;
2613 #define NSENDBUF 2048
2614 #define NRECVBUF 2048
2615 #define MAXCONNECT 1
2616 #define NTIMEOUT 5000
2618 static int win_chr_poll(void *opaque
);
2619 static int win_chr_pipe_poll(void *opaque
);
2621 static void win_chr_close(CharDriverState
*chr
)
2623 WinCharState
*s
= chr
->opaque
;
2626 CloseHandle(s
->hsend
);
2630 CloseHandle(s
->hrecv
);
2634 CloseHandle(s
->hcom
);
2638 qemu_del_polling_cb(win_chr_pipe_poll
, chr
);
2640 qemu_del_polling_cb(win_chr_poll
, chr
);
2643 static int win_chr_init(CharDriverState
*chr
, const char *filename
)
2645 WinCharState
*s
= chr
->opaque
;
2647 COMMTIMEOUTS cto
= { 0, 0, 0, 0, 0};
2652 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2654 fprintf(stderr
, "Failed CreateEvent\n");
2657 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2659 fprintf(stderr
, "Failed CreateEvent\n");
2663 s
->hcom
= CreateFile(filename
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
,
2664 OPEN_EXISTING
, FILE_FLAG_OVERLAPPED
, 0);
2665 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2666 fprintf(stderr
, "Failed CreateFile (%lu)\n", GetLastError());
2671 if (!SetupComm(s
->hcom
, NRECVBUF
, NSENDBUF
)) {
2672 fprintf(stderr
, "Failed SetupComm\n");
2676 ZeroMemory(&comcfg
, sizeof(COMMCONFIG
));
2677 size
= sizeof(COMMCONFIG
);
2678 GetDefaultCommConfig(filename
, &comcfg
, &size
);
2679 comcfg
.dcb
.DCBlength
= sizeof(DCB
);
2680 CommConfigDialog(filename
, NULL
, &comcfg
);
2682 if (!SetCommState(s
->hcom
, &comcfg
.dcb
)) {
2683 fprintf(stderr
, "Failed SetCommState\n");
2687 if (!SetCommMask(s
->hcom
, EV_ERR
)) {
2688 fprintf(stderr
, "Failed SetCommMask\n");
2692 cto
.ReadIntervalTimeout
= MAXDWORD
;
2693 if (!SetCommTimeouts(s
->hcom
, &cto
)) {
2694 fprintf(stderr
, "Failed SetCommTimeouts\n");
2698 if (!ClearCommError(s
->hcom
, &err
, &comstat
)) {
2699 fprintf(stderr
, "Failed ClearCommError\n");
2702 qemu_add_polling_cb(win_chr_poll
, chr
);
2710 static int win_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len1
)
2712 WinCharState
*s
= chr
->opaque
;
2713 DWORD len
, ret
, size
, err
;
2716 ZeroMemory(&s
->osend
, sizeof(s
->osend
));
2717 s
->osend
.hEvent
= s
->hsend
;
2720 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, &s
->osend
);
2722 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, NULL
);
2724 err
= GetLastError();
2725 if (err
== ERROR_IO_PENDING
) {
2726 ret
= GetOverlappedResult(s
->hcom
, &s
->osend
, &size
, TRUE
);
2744 static int win_chr_read_poll(CharDriverState
*chr
)
2746 WinCharState
*s
= chr
->opaque
;
2748 s
->max_size
= qemu_chr_can_read(chr
);
2752 static void win_chr_readfile(CharDriverState
*chr
)
2754 WinCharState
*s
= chr
->opaque
;
2759 ZeroMemory(&s
->orecv
, sizeof(s
->orecv
));
2760 s
->orecv
.hEvent
= s
->hrecv
;
2761 ret
= ReadFile(s
->hcom
, buf
, s
->len
, &size
, &s
->orecv
);
2763 err
= GetLastError();
2764 if (err
== ERROR_IO_PENDING
) {
2765 ret
= GetOverlappedResult(s
->hcom
, &s
->orecv
, &size
, TRUE
);
2770 qemu_chr_read(chr
, buf
, size
);
2774 static void win_chr_read(CharDriverState
*chr
)
2776 WinCharState
*s
= chr
->opaque
;
2778 if (s
->len
> s
->max_size
)
2779 s
->len
= s
->max_size
;
2783 win_chr_readfile(chr
);
2786 static int win_chr_poll(void *opaque
)
2788 CharDriverState
*chr
= opaque
;
2789 WinCharState
*s
= chr
->opaque
;
2793 ClearCommError(s
->hcom
, &comerr
, &status
);
2794 if (status
.cbInQue
> 0) {
2795 s
->len
= status
.cbInQue
;
2796 win_chr_read_poll(chr
);
2803 static CharDriverState
*qemu_chr_open_win(const char *filename
)
2805 CharDriverState
*chr
;
2808 chr
= qemu_mallocz(sizeof(CharDriverState
));
2811 s
= qemu_mallocz(sizeof(WinCharState
));
2817 chr
->chr_write
= win_chr_write
;
2818 chr
->chr_close
= win_chr_close
;
2820 if (win_chr_init(chr
, filename
) < 0) {
2825 qemu_chr_reset(chr
);
2829 static int win_chr_pipe_poll(void *opaque
)
2831 CharDriverState
*chr
= opaque
;
2832 WinCharState
*s
= chr
->opaque
;
2835 PeekNamedPipe(s
->hcom
, NULL
, 0, NULL
, &size
, NULL
);
2838 win_chr_read_poll(chr
);
2845 static int win_chr_pipe_init(CharDriverState
*chr
, const char *filename
)
2847 WinCharState
*s
= chr
->opaque
;
2855 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2857 fprintf(stderr
, "Failed CreateEvent\n");
2860 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2862 fprintf(stderr
, "Failed CreateEvent\n");
2866 snprintf(openname
, sizeof(openname
), "\\\\.\\pipe\\%s", filename
);
2867 s
->hcom
= CreateNamedPipe(openname
, PIPE_ACCESS_DUPLEX
| FILE_FLAG_OVERLAPPED
,
2868 PIPE_TYPE_BYTE
| PIPE_READMODE_BYTE
|
2870 MAXCONNECT
, NSENDBUF
, NRECVBUF
, NTIMEOUT
, NULL
);
2871 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2872 fprintf(stderr
, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2877 ZeroMemory(&ov
, sizeof(ov
));
2878 ov
.hEvent
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2879 ret
= ConnectNamedPipe(s
->hcom
, &ov
);
2881 fprintf(stderr
, "Failed ConnectNamedPipe\n");
2885 ret
= GetOverlappedResult(s
->hcom
, &ov
, &size
, TRUE
);
2887 fprintf(stderr
, "Failed GetOverlappedResult\n");
2889 CloseHandle(ov
.hEvent
);
2896 CloseHandle(ov
.hEvent
);
2899 qemu_add_polling_cb(win_chr_pipe_poll
, chr
);
2908 static CharDriverState
*qemu_chr_open_win_pipe(const char *filename
)
2910 CharDriverState
*chr
;
2913 chr
= qemu_mallocz(sizeof(CharDriverState
));
2916 s
= qemu_mallocz(sizeof(WinCharState
));
2922 chr
->chr_write
= win_chr_write
;
2923 chr
->chr_close
= win_chr_close
;
2925 if (win_chr_pipe_init(chr
, filename
) < 0) {
2930 qemu_chr_reset(chr
);
2934 static CharDriverState
*qemu_chr_open_win_file(HANDLE fd_out
)
2936 CharDriverState
*chr
;
2939 chr
= qemu_mallocz(sizeof(CharDriverState
));
2942 s
= qemu_mallocz(sizeof(WinCharState
));
2949 chr
->chr_write
= win_chr_write
;
2950 qemu_chr_reset(chr
);
2954 static CharDriverState
*qemu_chr_open_win_con(const char *filename
)
2956 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE
));
2959 static CharDriverState
*qemu_chr_open_win_file_out(const char *file_out
)
2963 fd_out
= CreateFile(file_out
, GENERIC_WRITE
, FILE_SHARE_READ
, NULL
,
2964 OPEN_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL
);
2965 if (fd_out
== INVALID_HANDLE_VALUE
)
2968 return qemu_chr_open_win_file(fd_out
);
2970 #endif /* !_WIN32 */
2972 /***********************************************************/
2973 /* UDP Net console */
2977 struct sockaddr_in daddr
;
2984 static int udp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2986 NetCharDriver
*s
= chr
->opaque
;
2988 return sendto(s
->fd
, buf
, len
, 0,
2989 (struct sockaddr
*)&s
->daddr
, sizeof(struct sockaddr_in
));
2992 static int udp_chr_read_poll(void *opaque
)
2994 CharDriverState
*chr
= opaque
;
2995 NetCharDriver
*s
= chr
->opaque
;
2997 s
->max_size
= qemu_chr_can_read(chr
);
2999 /* If there were any stray characters in the queue process them
3002 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
3003 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
3005 s
->max_size
= qemu_chr_can_read(chr
);
3010 static void udp_chr_read(void *opaque
)
3012 CharDriverState
*chr
= opaque
;
3013 NetCharDriver
*s
= chr
->opaque
;
3015 if (s
->max_size
== 0)
3017 s
->bufcnt
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
3018 s
->bufptr
= s
->bufcnt
;
3023 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
3024 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
3026 s
->max_size
= qemu_chr_can_read(chr
);
3030 static void udp_chr_update_read_handler(CharDriverState
*chr
)
3032 NetCharDriver
*s
= chr
->opaque
;
3035 qemu_set_fd_handler2(s
->fd
, udp_chr_read_poll
,
3036 udp_chr_read
, NULL
, chr
);
3041 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
);
3043 int parse_host_src_port(struct sockaddr_in
*haddr
,
3044 struct sockaddr_in
*saddr
,
3047 static CharDriverState
*qemu_chr_open_udp(const char *def
)
3049 CharDriverState
*chr
= NULL
;
3050 NetCharDriver
*s
= NULL
;
3052 struct sockaddr_in saddr
;
3054 chr
= qemu_mallocz(sizeof(CharDriverState
));
3057 s
= qemu_mallocz(sizeof(NetCharDriver
));
3061 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
3063 perror("socket(PF_INET, SOCK_DGRAM)");
3067 if (parse_host_src_port(&s
->daddr
, &saddr
, def
) < 0) {
3068 printf("Could not parse: %s\n", def
);
3072 if (bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
)) < 0)
3082 chr
->chr_write
= udp_chr_write
;
3083 chr
->chr_update_read_handler
= udp_chr_update_read_handler
;
3096 /***********************************************************/
3097 /* TCP Net console */
3108 static void tcp_chr_accept(void *opaque
);
3110 static int tcp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
3112 TCPCharDriver
*s
= chr
->opaque
;
3114 return send_all(s
->fd
, buf
, len
);
3116 /* XXX: indicate an error ? */
3121 static int tcp_chr_read_poll(void *opaque
)
3123 CharDriverState
*chr
= opaque
;
3124 TCPCharDriver
*s
= chr
->opaque
;
3127 s
->max_size
= qemu_chr_can_read(chr
);
3132 #define IAC_BREAK 243
3133 static void tcp_chr_process_IAC_bytes(CharDriverState
*chr
,
3135 uint8_t *buf
, int *size
)
3137 /* Handle any telnet client's basic IAC options to satisfy char by
3138 * char mode with no echo. All IAC options will be removed from
3139 * the buf and the do_telnetopt variable will be used to track the
3140 * state of the width of the IAC information.
3142 * IAC commands come in sets of 3 bytes with the exception of the
3143 * "IAC BREAK" command and the double IAC.
3149 for (i
= 0; i
< *size
; i
++) {
3150 if (s
->do_telnetopt
> 1) {
3151 if ((unsigned char)buf
[i
] == IAC
&& s
->do_telnetopt
== 2) {
3152 /* Double IAC means send an IAC */
3156 s
->do_telnetopt
= 1;
3158 if ((unsigned char)buf
[i
] == IAC_BREAK
&& s
->do_telnetopt
== 2) {
3159 /* Handle IAC break commands by sending a serial break */
3160 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
3165 if (s
->do_telnetopt
>= 4) {
3166 s
->do_telnetopt
= 1;
3169 if ((unsigned char)buf
[i
] == IAC
) {
3170 s
->do_telnetopt
= 2;
3181 static void tcp_chr_read(void *opaque
)
3183 CharDriverState
*chr
= opaque
;
3184 TCPCharDriver
*s
= chr
->opaque
;
3188 if (!s
->connected
|| s
->max_size
<= 0)
3191 if (len
> s
->max_size
)
3193 size
= recv(s
->fd
, buf
, len
, 0);
3195 /* connection closed */
3197 if (s
->listen_fd
>= 0) {
3198 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3200 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
3203 } else if (size
> 0) {
3204 if (s
->do_telnetopt
)
3205 tcp_chr_process_IAC_bytes(chr
, s
, buf
, &size
);
3207 qemu_chr_read(chr
, buf
, size
);
3211 static void tcp_chr_connect(void *opaque
)
3213 CharDriverState
*chr
= opaque
;
3214 TCPCharDriver
*s
= chr
->opaque
;
3217 qemu_set_fd_handler2(s
->fd
, tcp_chr_read_poll
,
3218 tcp_chr_read
, NULL
, chr
);
3219 qemu_chr_reset(chr
);
3222 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3223 static void tcp_chr_telnet_init(int fd
)
3226 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3227 IACSET(buf
, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
3228 send(fd
, (char *)buf
, 3, 0);
3229 IACSET(buf
, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
3230 send(fd
, (char *)buf
, 3, 0);
3231 IACSET(buf
, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
3232 send(fd
, (char *)buf
, 3, 0);
3233 IACSET(buf
, 0xff, 0xfd, 0x00); /* IAC DO Binary */
3234 send(fd
, (char *)buf
, 3, 0);
3237 static void socket_set_nodelay(int fd
)
3240 setsockopt(fd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&val
, sizeof(val
));
3243 static void tcp_chr_accept(void *opaque
)
3245 CharDriverState
*chr
= opaque
;
3246 TCPCharDriver
*s
= chr
->opaque
;
3247 struct sockaddr_in saddr
;
3249 struct sockaddr_un uaddr
;
3251 struct sockaddr
*addr
;
3258 len
= sizeof(uaddr
);
3259 addr
= (struct sockaddr
*)&uaddr
;
3263 len
= sizeof(saddr
);
3264 addr
= (struct sockaddr
*)&saddr
;
3266 fd
= accept(s
->listen_fd
, addr
, &len
);
3267 if (fd
< 0 && errno
!= EINTR
) {
3269 } else if (fd
>= 0) {
3270 if (s
->do_telnetopt
)
3271 tcp_chr_telnet_init(fd
);
3275 socket_set_nonblock(fd
);
3277 socket_set_nodelay(fd
);
3279 qemu_set_fd_handler(s
->listen_fd
, NULL
, NULL
, NULL
);
3280 tcp_chr_connect(chr
);
3283 static void tcp_chr_close(CharDriverState
*chr
)
3285 TCPCharDriver
*s
= chr
->opaque
;
3288 if (s
->listen_fd
>= 0)
3289 closesocket(s
->listen_fd
);
3293 static CharDriverState
*qemu_chr_open_tcp(const char *host_str
,
3297 CharDriverState
*chr
= NULL
;
3298 TCPCharDriver
*s
= NULL
;
3299 int fd
= -1, ret
, err
, val
;
3301 int is_waitconnect
= 1;
3304 struct sockaddr_in saddr
;
3306 struct sockaddr_un uaddr
;
3308 struct sockaddr
*addr
;
3313 addr
= (struct sockaddr
*)&uaddr
;
3314 addrlen
= sizeof(uaddr
);
3315 if (parse_unix_path(&uaddr
, host_str
) < 0)
3320 addr
= (struct sockaddr
*)&saddr
;
3321 addrlen
= sizeof(saddr
);
3322 if (parse_host_port(&saddr
, host_str
) < 0)
3327 while((ptr
= strchr(ptr
,','))) {
3329 if (!strncmp(ptr
,"server",6)) {
3331 } else if (!strncmp(ptr
,"nowait",6)) {
3333 } else if (!strncmp(ptr
,"nodelay",6)) {
3336 printf("Unknown option: %s\n", ptr
);
3343 chr
= qemu_mallocz(sizeof(CharDriverState
));
3346 s
= qemu_mallocz(sizeof(TCPCharDriver
));
3352 fd
= socket(PF_UNIX
, SOCK_STREAM
, 0);
3355 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
3360 if (!is_waitconnect
)
3361 socket_set_nonblock(fd
);
3366 s
->is_unix
= is_unix
;
3367 s
->do_nodelay
= do_nodelay
&& !is_unix
;
3370 chr
->chr_write
= tcp_chr_write
;
3371 chr
->chr_close
= tcp_chr_close
;
3374 /* allow fast reuse */
3378 strncpy(path
, uaddr
.sun_path
, 108);
3385 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
3388 ret
= bind(fd
, addr
, addrlen
);
3392 ret
= listen(fd
, 0);
3397 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3399 s
->do_telnetopt
= 1;
3402 ret
= connect(fd
, addr
, addrlen
);
3404 err
= socket_error();
3405 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
3406 } else if (err
== EINPROGRESS
) {
3409 } else if (err
== WSAEALREADY
) {
3421 socket_set_nodelay(fd
);
3423 tcp_chr_connect(chr
);
3425 qemu_set_fd_handler(s
->fd
, NULL
, tcp_chr_connect
, chr
);
3428 if (is_listen
&& is_waitconnect
) {
3429 printf("QEMU waiting for connection on: %s\n", host_str
);
3430 tcp_chr_accept(chr
);
3431 socket_set_nonblock(s
->listen_fd
);
3443 CharDriverState
*qemu_chr_open(const char *filename
)
3447 if (!strcmp(filename
, "vc")) {
3448 return text_console_init(&display_state
, 0);
3449 } else if (strstart(filename
, "vc:", &p
)) {
3450 return text_console_init(&display_state
, p
);
3451 } else if (!strcmp(filename
, "null")) {
3452 return qemu_chr_open_null();
3454 if (strstart(filename
, "tcp:", &p
)) {
3455 return qemu_chr_open_tcp(p
, 0, 0);
3457 if (strstart(filename
, "telnet:", &p
)) {
3458 return qemu_chr_open_tcp(p
, 1, 0);
3460 if (strstart(filename
, "udp:", &p
)) {
3461 return qemu_chr_open_udp(p
);
3463 if (strstart(filename
, "mon:", &p
)) {
3464 CharDriverState
*drv
= qemu_chr_open(p
);
3466 drv
= qemu_chr_open_mux(drv
);
3467 monitor_init(drv
, !nographic
);
3470 printf("Unable to open driver: %s\n", p
);
3474 if (strstart(filename
, "unix:", &p
)) {
3475 return qemu_chr_open_tcp(p
, 0, 1);
3476 } else if (strstart(filename
, "file:", &p
)) {
3477 return qemu_chr_open_file_out(p
);
3478 } else if (strstart(filename
, "pipe:", &p
)) {
3479 return qemu_chr_open_pipe(p
);
3480 } else if (!strcmp(filename
, "pty")) {
3481 return qemu_chr_open_pty();
3482 } else if (!strcmp(filename
, "stdio")) {
3483 return qemu_chr_open_stdio();
3485 #if defined(__linux__)
3486 if (strstart(filename
, "/dev/parport", NULL
)) {
3487 return qemu_chr_open_pp(filename
);
3490 #if defined(__linux__) || defined(__sun__)
3491 if (strstart(filename
, "/dev/", NULL
)) {
3492 return qemu_chr_open_tty(filename
);
3496 if (strstart(filename
, "COM", NULL
)) {
3497 return qemu_chr_open_win(filename
);
3499 if (strstart(filename
, "pipe:", &p
)) {
3500 return qemu_chr_open_win_pipe(p
);
3502 if (strstart(filename
, "con:", NULL
)) {
3503 return qemu_chr_open_win_con(filename
);
3505 if (strstart(filename
, "file:", &p
)) {
3506 return qemu_chr_open_win_file_out(p
);
3514 void qemu_chr_close(CharDriverState
*chr
)
3517 chr
->chr_close(chr
);
3521 /***********************************************************/
3522 /* network device redirectors */
3524 __attribute__ (( unused
))
3525 static void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
3529 for(i
=0;i
<size
;i
+=16) {
3533 fprintf(f
, "%08x ", i
);
3536 fprintf(f
, " %02x", buf
[i
+j
]);
3541 for(j
=0;j
<len
;j
++) {
3543 if (c
< ' ' || c
> '~')
3545 fprintf(f
, "%c", c
);
3551 static int parse_macaddr(uint8_t *macaddr
, const char *p
)
3558 offset
= strtol(p
, &last_char
, 0);
3559 if (0 == errno
&& '\0' == *last_char
&&
3560 offset
>= 0 && offset
<= 0xFFFFFF) {
3561 macaddr
[3] = (offset
& 0xFF0000) >> 16;
3562 macaddr
[4] = (offset
& 0xFF00) >> 8;
3563 macaddr
[5] = offset
& 0xFF;
3566 for(i
= 0; i
< 6; i
++) {
3567 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3572 if (*p
!= ':' && *p
!= '-')
3583 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
3588 p1
= strchr(p
, sep
);
3594 if (len
> buf_size
- 1)
3596 memcpy(buf
, p
, len
);
3603 int parse_host_src_port(struct sockaddr_in
*haddr
,
3604 struct sockaddr_in
*saddr
,
3605 const char *input_str
)
3607 char *str
= strdup(input_str
);
3608 char *host_str
= str
;
3613 * Chop off any extra arguments at the end of the string which
3614 * would start with a comma, then fill in the src port information
3615 * if it was provided else use the "any address" and "any port".
3617 if ((ptr
= strchr(str
,',')))
3620 if ((src_str
= strchr(input_str
,'@'))) {
3625 if (parse_host_port(haddr
, host_str
) < 0)
3628 if (!src_str
|| *src_str
== '\0')
3631 if (parse_host_port(saddr
, src_str
) < 0)
3642 int parse_host_port(struct sockaddr_in
*saddr
, const char *str
)
3650 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3652 saddr
->sin_family
= AF_INET
;
3653 if (buf
[0] == '\0') {
3654 saddr
->sin_addr
.s_addr
= 0;
3656 if (isdigit(buf
[0])) {
3657 if (!inet_aton(buf
, &saddr
->sin_addr
))
3660 if ((he
= gethostbyname(buf
)) == NULL
)
3662 saddr
->sin_addr
= *(struct in_addr
*)he
->h_addr
;
3665 port
= strtol(p
, (char **)&r
, 0);
3668 saddr
->sin_port
= htons(port
);
3673 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
)
3678 len
= MIN(108, strlen(str
));
3679 p
= strchr(str
, ',');
3681 len
= MIN(len
, p
- str
);
3683 memset(uaddr
, 0, sizeof(*uaddr
));
3685 uaddr
->sun_family
= AF_UNIX
;
3686 memcpy(uaddr
->sun_path
, str
, len
);
3692 /* find or alloc a new VLAN */
3693 VLANState
*qemu_find_vlan(int id
)
3695 VLANState
**pvlan
, *vlan
;
3696 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
3700 vlan
= qemu_mallocz(sizeof(VLANState
));
3705 pvlan
= &first_vlan
;
3706 while (*pvlan
!= NULL
)
3707 pvlan
= &(*pvlan
)->next
;
3712 VLANClientState
*qemu_new_vlan_client(VLANState
*vlan
,
3713 IOReadHandler
*fd_read
,
3714 IOCanRWHandler
*fd_can_read
,
3717 VLANClientState
*vc
, **pvc
;
3718 vc
= qemu_mallocz(sizeof(VLANClientState
));
3721 vc
->fd_read
= fd_read
;
3722 vc
->fd_can_read
= fd_can_read
;
3723 vc
->opaque
= opaque
;
3727 pvc
= &vlan
->first_client
;
3728 while (*pvc
!= NULL
)
3729 pvc
= &(*pvc
)->next
;
3734 int qemu_can_send_packet(VLANClientState
*vc1
)
3736 VLANState
*vlan
= vc1
->vlan
;
3737 VLANClientState
*vc
;
3739 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
3741 if (vc
->fd_can_read
&& vc
->fd_can_read(vc
->opaque
))
3748 void qemu_send_packet(VLANClientState
*vc1
, const uint8_t *buf
, int size
)
3750 VLANState
*vlan
= vc1
->vlan
;
3751 VLANClientState
*vc
;
3754 printf("vlan %d send:\n", vlan
->id
);
3755 hex_dump(stdout
, buf
, size
);
3757 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
3759 vc
->fd_read(vc
->opaque
, buf
, size
);
3764 #if defined(CONFIG_SLIRP)
3766 /* slirp network adapter */
3768 static int slirp_inited
;
3769 static VLANClientState
*slirp_vc
;
3771 int slirp_can_output(void)
3773 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
3776 void slirp_output(const uint8_t *pkt
, int pkt_len
)
3779 printf("slirp output:\n");
3780 hex_dump(stdout
, pkt
, pkt_len
);
3784 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
3787 static void slirp_receive(void *opaque
, const uint8_t *buf
, int size
)
3790 printf("slirp input:\n");
3791 hex_dump(stdout
, buf
, size
);
3793 slirp_input(buf
, size
);
3796 static int net_slirp_init(VLANState
*vlan
)
3798 if (!slirp_inited
) {
3802 slirp_vc
= qemu_new_vlan_client(vlan
,
3803 slirp_receive
, NULL
, NULL
);
3804 snprintf(slirp_vc
->info_str
, sizeof(slirp_vc
->info_str
), "user redirector");
3808 static void net_slirp_redir(const char *redir_str
)
3813 struct in_addr guest_addr
;
3814 int host_port
, guest_port
;
3816 if (!slirp_inited
) {
3822 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3824 if (!strcmp(buf
, "tcp")) {
3826 } else if (!strcmp(buf
, "udp")) {
3832 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3834 host_port
= strtol(buf
, &r
, 0);
3838 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3840 if (buf
[0] == '\0') {
3841 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
3843 if (!inet_aton(buf
, &guest_addr
))
3846 guest_port
= strtol(p
, &r
, 0);
3850 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
3851 fprintf(stderr
, "qemu: could not set up redirection\n");
3856 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3864 static void erase_dir(char *dir_name
)
3868 char filename
[1024];
3870 /* erase all the files in the directory */
3871 if ((d
= opendir(dir_name
)) != 0) {
3876 if (strcmp(de
->d_name
, ".") != 0 &&
3877 strcmp(de
->d_name
, "..") != 0) {
3878 snprintf(filename
, sizeof(filename
), "%s/%s",
3879 smb_dir
, de
->d_name
);
3880 if (unlink(filename
) != 0) /* is it a directory? */
3881 erase_dir(filename
);
3889 /* automatic user mode samba server configuration */
3890 static void smb_exit(void)
3895 /* automatic user mode samba server configuration */
3896 static void net_slirp_smb(const char *exported_dir
)
3898 char smb_conf
[1024];
3899 char smb_cmdline
[1024];
3902 if (!slirp_inited
) {
3907 /* XXX: better tmp dir construction */
3908 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
3909 if (mkdir(smb_dir
, 0700) < 0) {
3910 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
3913 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
3915 f
= fopen(smb_conf
, "w");
3917 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
3924 "socket address=127.0.0.1\n"
3925 "pid directory=%s\n"
3926 "lock directory=%s\n"
3927 "log file=%s/log.smbd\n"
3928 "smb passwd file=%s/smbpasswd\n"
3929 "security = share\n"
3944 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
3945 SMBD_COMMAND
, smb_conf
);
3947 slirp_add_exec(0, smb_cmdline
, 4, 139);
3950 #endif /* !defined(_WIN32) */
3951 void do_info_slirp(void)
3956 #endif /* CONFIG_SLIRP */
3958 #if !defined(_WIN32)
3960 typedef struct TAPState
{
3961 VLANClientState
*vc
;
3963 char down_script
[1024];
3967 static int tap_read_poll(void *opaque
)
3969 TAPState
*s
= opaque
;
3970 return (!s
->no_poll
);
3973 static void tap_receive(void *opaque
, const uint8_t *buf
, int size
)
3975 TAPState
*s
= opaque
;
3978 ret
= write(s
->fd
, buf
, size
);
3979 if (ret
< 0 && (errno
== EINTR
|| errno
== EAGAIN
)) {
3986 static void tap_send(void *opaque
)
3988 TAPState
*s
= opaque
;
3995 sbuf
.maxlen
= sizeof(buf
);
3997 size
= getmsg(s
->fd
, NULL
, &sbuf
, &f
) >=0 ? sbuf
.len
: -1;
3999 size
= read(s
->fd
, buf
, sizeof(buf
));
4002 qemu_send_packet(s
->vc
, buf
, size
);
4006 int hack_around_tap(void *opaque
)
4008 VLANClientState
*vc
= opaque
;
4009 TAPState
*ts
= vc
->opaque
;
4011 if (vc
->fd_read
!= tap_receive
)
4024 static TAPState
*net_tap_fd_init(VLANState
*vlan
, int fd
)
4028 s
= qemu_mallocz(sizeof(TAPState
));
4033 enable_sigio_timer(fd
);
4034 s
->vc
= qemu_new_vlan_client(vlan
, tap_receive
, NULL
, s
);
4035 qemu_set_fd_handler2(s
->fd
, tap_read_poll
, tap_send
, NULL
, s
);
4036 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "tap: fd=%d", fd
);
4040 #if defined (_BSD) || defined (__FreeBSD_kernel__)
4041 static int tap_open(char *ifname
, int ifname_size
)
4047 TFR(fd
= open("/dev/tap", O_RDWR
));
4049 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
4054 dev
= devname(s
.st_rdev
, S_IFCHR
);
4055 pstrcpy(ifname
, ifname_size
, dev
);
4057 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4060 #elif defined(__sun__)
4061 #define TUNNEWPPA (('T'<<16) | 0x0001)
4063 * Allocate TAP device, returns opened fd.
4064 * Stores dev name in the first arg(must be large enough).
4066 int tap_alloc(char *dev
)
4068 int tap_fd
, if_fd
, ppa
= -1;
4069 static int ip_fd
= 0;
4072 static int arp_fd
= 0;
4073 int ip_muxid
, arp_muxid
;
4074 struct strioctl strioc_if
, strioc_ppa
;
4075 int link_type
= I_PLINK
;;
4077 char actual_name
[32] = "";
4079 memset(&ifr
, 0x0, sizeof(ifr
));
4083 while( *ptr
&& !isdigit((int)*ptr
) ) ptr
++;
4087 /* Check if IP device was opened */
4091 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
4093 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
4097 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
4099 syslog(LOG_ERR
, "Can't open /dev/tap");
4103 /* Assign a new PPA and get its unit number. */
4104 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
4105 strioc_ppa
.ic_timout
= 0;
4106 strioc_ppa
.ic_len
= sizeof(ppa
);
4107 strioc_ppa
.ic_dp
= (char *)&ppa
;
4108 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
4109 syslog (LOG_ERR
, "Can't assign new interface");
4111 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
4113 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
4116 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
4117 syslog(LOG_ERR
, "Can't push IP module");
4121 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
4122 syslog(LOG_ERR
, "Can't get flags\n");
4124 snprintf (actual_name
, 32, "tap%d", ppa
);
4125 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4128 /* Assign ppa according to the unit number returned by tun device */
4130 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
4131 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
4132 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
4133 syslog (LOG_ERR
, "Can't get flags\n");
4134 /* Push arp module to if_fd */
4135 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
4136 syslog (LOG_ERR
, "Can't push ARP module (2)");
4138 /* Push arp module to ip_fd */
4139 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
4140 syslog (LOG_ERR
, "I_POP failed\n");
4141 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
4142 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
4144 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
4146 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
4148 /* Set ifname to arp */
4149 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
4150 strioc_if
.ic_timout
= 0;
4151 strioc_if
.ic_len
= sizeof(ifr
);
4152 strioc_if
.ic_dp
= (char *)&ifr
;
4153 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
4154 syslog (LOG_ERR
, "Can't set ifname to arp\n");
4157 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
4158 syslog(LOG_ERR
, "Can't link TAP device to IP");
4162 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
4163 syslog (LOG_ERR
, "Can't link TAP device to ARP");
4167 memset(&ifr
, 0x0, sizeof(ifr
));
4168 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4169 ifr
.lifr_ip_muxid
= ip_muxid
;
4170 ifr
.lifr_arp_muxid
= arp_muxid
;
4172 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
4174 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
4175 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
4176 syslog (LOG_ERR
, "Can't set multiplexor id");
4179 sprintf(dev
, "tap%d", ppa
);
4183 static int tap_open(char *ifname
, int ifname_size
)
4187 if( (fd
= tap_alloc(dev
)) < 0 ){
4188 fprintf(stderr
, "Cannot allocate TAP device\n");
4191 pstrcpy(ifname
, ifname_size
, dev
);
4192 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4196 static int tap_open(char *ifname
, int ifname_size
)
4201 TFR(fd
= open("/dev/net/tun", O_RDWR
));
4203 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4206 memset(&ifr
, 0, sizeof(ifr
));
4207 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
4208 if (ifname
[0] != '\0')
4209 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
4211 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
4212 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
4214 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4218 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
4219 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4224 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
4230 /* try to launch network script */
4234 int open_max
= sysconf (_SC_OPEN_MAX
), i
;
4235 for (i
= 0; i
< open_max
; i
++)
4236 if (i
!= STDIN_FILENO
&&
4237 i
!= STDOUT_FILENO
&&
4238 i
!= STDERR_FILENO
&&
4243 *parg
++ = (char *)setup_script
;
4244 *parg
++ = (char *)ifname
;
4246 execv(setup_script
, args
);
4249 while (waitpid(pid
, &status
, 0) != pid
);
4250 if (!WIFEXITED(status
) ||
4251 WEXITSTATUS(status
) != 0) {
4252 fprintf(stderr
, "%s: could not launch network script\n",
4260 static int net_tap_init(VLANState
*vlan
, const char *ifname1
,
4261 const char *setup_script
, const char *down_script
)
4267 if (ifname1
!= NULL
)
4268 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
4271 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
4275 if (!setup_script
|| !strcmp(setup_script
, "no"))
4277 if (setup_script
[0] != '\0') {
4278 if (launch_script(setup_script
, ifname
, fd
))
4281 s
= net_tap_fd_init(vlan
, fd
);
4284 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4285 "tap: ifname=%s setup_script=%s", ifname
, setup_script
);
4286 if (down_script
&& strcmp(down_script
, "no"))
4287 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
4291 #endif /* !_WIN32 */
4293 /* network connection */
4294 typedef struct NetSocketState
{
4295 VLANClientState
*vc
;
4297 int state
; /* 0 = getting length, 1 = getting data */
4301 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4304 typedef struct NetSocketListenState
{
4307 } NetSocketListenState
;
4309 /* XXX: we consider we can send the whole packet without blocking */
4310 static void net_socket_receive(void *opaque
, const uint8_t *buf
, int size
)
4312 NetSocketState
*s
= opaque
;
4316 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
4317 send_all(s
->fd
, buf
, size
);
4320 static void net_socket_receive_dgram(void *opaque
, const uint8_t *buf
, int size
)
4322 NetSocketState
*s
= opaque
;
4323 sendto(s
->fd
, buf
, size
, 0,
4324 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
4327 static void net_socket_send(void *opaque
)
4329 NetSocketState
*s
= opaque
;
4334 size
= recv(s
->fd
, buf1
, sizeof(buf1
), 0);
4336 err
= socket_error();
4337 if (err
!= EWOULDBLOCK
)
4339 } else if (size
== 0) {
4340 /* end of connection */
4342 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4348 /* reassemble a packet from the network */
4354 memcpy(s
->buf
+ s
->index
, buf
, l
);
4358 if (s
->index
== 4) {
4360 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
4366 l
= s
->packet_len
- s
->index
;
4369 memcpy(s
->buf
+ s
->index
, buf
, l
);
4373 if (s
->index
>= s
->packet_len
) {
4374 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
4383 static void net_socket_send_dgram(void *opaque
)
4385 NetSocketState
*s
= opaque
;
4388 size
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
4392 /* end of connection */
4393 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4396 qemu_send_packet(s
->vc
, s
->buf
, size
);
4399 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
4404 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
4405 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4406 inet_ntoa(mcastaddr
->sin_addr
),
4407 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
4411 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
4413 perror("socket(PF_INET, SOCK_DGRAM)");
4418 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
4419 (const char *)&val
, sizeof(val
));
4421 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4425 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
4431 /* Add host to multicast group */
4432 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
4433 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
4435 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
4436 (const char *)&imr
, sizeof(struct ip_mreq
));
4438 perror("setsockopt(IP_ADD_MEMBERSHIP)");
4442 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4444 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
4445 (const char *)&val
, sizeof(val
));
4447 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4451 socket_set_nonblock(fd
);
4459 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
, int fd
,
4462 struct sockaddr_in saddr
;
4464 socklen_t saddr_len
;
4467 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4468 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4469 * by ONLY ONE process: we must "clone" this dgram socket --jjo
4473 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
4475 if (saddr
.sin_addr
.s_addr
==0) {
4476 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4480 /* clone dgram socket */
4481 newfd
= net_socket_mcast_create(&saddr
);
4483 /* error already reported by net_socket_mcast_create() */
4487 /* clone newfd to fd, close newfd */
4492 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4493 fd
, strerror(errno
));
4498 s
= qemu_mallocz(sizeof(NetSocketState
));
4503 s
->vc
= qemu_new_vlan_client(vlan
, net_socket_receive_dgram
, NULL
, s
);
4504 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
4506 /* mcast: save bound address as dst */
4507 if (is_connected
) s
->dgram_dst
=saddr
;
4509 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4510 "socket: fd=%d (%s mcast=%s:%d)",
4511 fd
, is_connected
? "cloned" : "",
4512 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4516 static void net_socket_connect(void *opaque
)
4518 NetSocketState
*s
= opaque
;
4519 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
4522 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
, int fd
,
4526 s
= qemu_mallocz(sizeof(NetSocketState
));
4530 s
->vc
= qemu_new_vlan_client(vlan
,
4531 net_socket_receive
, NULL
, s
);
4532 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4533 "socket: fd=%d", fd
);
4535 net_socket_connect(s
);
4537 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
4542 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
, int fd
,
4545 int so_type
=-1, optlen
=sizeof(so_type
);
4547 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
,
4548 (socklen_t
*)&optlen
)< 0) {
4549 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
4554 return net_socket_fd_init_dgram(vlan
, fd
, is_connected
);
4556 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4558 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4559 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
4560 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4565 static void net_socket_accept(void *opaque
)
4567 NetSocketListenState
*s
= opaque
;
4569 struct sockaddr_in saddr
;
4574 len
= sizeof(saddr
);
4575 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
4576 if (fd
< 0 && errno
!= EINTR
) {
4578 } else if (fd
>= 0) {
4582 s1
= net_socket_fd_init(s
->vlan
, fd
, 1);
4586 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
4587 "socket: connection from %s:%d",
4588 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4592 static int net_socket_listen_init(VLANState
*vlan
, const char *host_str
)
4594 NetSocketListenState
*s
;
4596 struct sockaddr_in saddr
;
4598 if (parse_host_port(&saddr
, host_str
) < 0)
4601 s
= qemu_mallocz(sizeof(NetSocketListenState
));
4605 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4610 socket_set_nonblock(fd
);
4612 /* allow fast reuse */
4614 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
4616 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
4621 ret
= listen(fd
, 0);
4628 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
4632 static int net_socket_connect_init(VLANState
*vlan
, const char *host_str
)
4635 int fd
, connected
, ret
, err
;
4636 struct sockaddr_in saddr
;
4638 if (parse_host_port(&saddr
, host_str
) < 0)
4641 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4646 socket_set_nonblock(fd
);
4650 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
4652 err
= socket_error();
4653 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
4654 } else if (err
== EINPROGRESS
) {
4657 } else if (err
== WSAEALREADY
) {
4670 s
= net_socket_fd_init(vlan
, fd
, connected
);
4673 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4674 "socket: connect to %s:%d",
4675 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4679 static int net_socket_mcast_init(VLANState
*vlan
, const char *host_str
)
4683 struct sockaddr_in saddr
;
4685 if (parse_host_port(&saddr
, host_str
) < 0)
4689 fd
= net_socket_mcast_create(&saddr
);
4693 s
= net_socket_fd_init(vlan
, fd
, 0);
4697 s
->dgram_dst
= saddr
;
4699 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4700 "socket: mcast=%s:%d",
4701 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4706 static const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
4711 while (*p
!= '\0' && *p
!= '=') {
4712 if (q
&& (q
- buf
) < buf_size
- 1)
4722 static const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
4727 while (*p
!= '\0') {
4729 if (*(p
+ 1) != ',')
4733 if (q
&& (q
- buf
) < buf_size
- 1)
4743 static int get_param_value(char *buf
, int buf_size
,
4744 const char *tag
, const char *str
)
4751 p
= get_opt_name(option
, sizeof(option
), p
);
4755 if (!strcmp(tag
, option
)) {
4756 (void)get_opt_value(buf
, buf_size
, p
);
4759 p
= get_opt_value(NULL
, 0, p
);
4768 static int check_params(char *buf
, int buf_size
,
4769 char **params
, const char *str
)
4776 p
= get_opt_name(buf
, buf_size
, p
);
4780 for(i
= 0; params
[i
] != NULL
; i
++)
4781 if (!strcmp(params
[i
], buf
))
4783 if (params
[i
] == NULL
)
4785 p
= get_opt_value(NULL
, 0, p
);
4794 static int net_client_init(const char *str
)
4805 while (*p
!= '\0' && *p
!= ',') {
4806 if ((q
- device
) < sizeof(device
) - 1)
4814 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
4815 vlan_id
= strtol(buf
, NULL
, 0);
4817 vlan
= qemu_find_vlan(vlan_id
);
4819 fprintf(stderr
, "Could not create vlan %d\n", vlan_id
);
4822 if (!strcmp(device
, "nic")) {
4826 if (nb_nics
>= MAX_NICS
) {
4827 fprintf(stderr
, "Too Many NICs\n");
4830 nd
= &nd_table
[nb_nics
];
4831 macaddr
= nd
->macaddr
;
4837 macaddr
[5] = 0x56 + nb_nics
;
4839 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
4840 if (parse_macaddr(macaddr
, buf
) < 0) {
4841 fprintf(stderr
, "invalid syntax for ethernet address\n");
4845 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
4846 nd
->model
= strdup(buf
);
4850 vlan
->nb_guest_devs
++;
4853 if (!strcmp(device
, "none")) {
4854 /* does nothing. It is needed to signal that no network cards
4859 if (!strcmp(device
, "user")) {
4860 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
4861 pstrcpy(slirp_hostname
, sizeof(slirp_hostname
), buf
);
4863 vlan
->nb_host_devs
++;
4864 ret
= net_slirp_init(vlan
);
4868 if (!strcmp(device
, "tap")) {
4870 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
4871 fprintf(stderr
, "tap: no interface name\n");
4874 vlan
->nb_host_devs
++;
4875 ret
= tap_win32_init(vlan
, ifname
);
4878 if (!strcmp(device
, "tap")) {
4880 char setup_script
[1024], down_script
[1024];
4882 vlan
->nb_host_devs
++;
4883 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
4884 fd
= strtol(buf
, NULL
, 0);
4886 if (net_tap_fd_init(vlan
, fd
))
4889 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
4892 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
4893 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
4895 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
4896 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
4898 ret
= net_tap_init(vlan
, ifname
, setup_script
, down_script
);
4902 if (!strcmp(device
, "socket")) {
4903 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
4905 fd
= strtol(buf
, NULL
, 0);
4907 if (net_socket_fd_init(vlan
, fd
, 1))
4909 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
4910 ret
= net_socket_listen_init(vlan
, buf
);
4911 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
4912 ret
= net_socket_connect_init(vlan
, buf
);
4913 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
4914 ret
= net_socket_mcast_init(vlan
, buf
);
4916 fprintf(stderr
, "Unknown socket options: %s\n", p
);
4919 vlan
->nb_host_devs
++;
4922 fprintf(stderr
, "Unknown network device: %s\n", device
);
4926 fprintf(stderr
, "Could not initialize device '%s'\n", device
);
4932 void do_info_network(void)
4935 VLANClientState
*vc
;
4937 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
4938 term_printf("VLAN %d devices:\n", vlan
->id
);
4939 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
4940 term_printf(" %s\n", vc
->info_str
);
4944 #define HD_ALIAS "index=%d,media=disk"
4946 #define CDROM_ALIAS "index=1,media=cdrom"
4948 #define CDROM_ALIAS "index=2,media=cdrom"
4950 #define FD_ALIAS "index=%d,if=floppy"
4951 #define PFLASH_ALIAS "if=pflash"
4952 #define MTD_ALIAS "if=mtd"
4953 #define SD_ALIAS "index=0,if=sd"
4955 static int drive_add(const char *file
, const char *fmt
, ...)
4959 if (nb_drives_opt
>= MAX_DRIVES
) {
4960 fprintf(stderr
, "qemu: too many drives\n");
4964 drives_opt
[nb_drives_opt
].file
= file
;
4966 vsnprintf(drives_opt
[nb_drives_opt
].opt
,
4967 sizeof(drives_opt
[0].opt
), fmt
, ap
);
4970 return nb_drives_opt
++;
4973 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
4977 /* seek interface, bus and unit */
4979 for (index
= 0; index
< nb_drives
; index
++)
4980 if (drives_table
[index
].type
== type
&&
4981 drives_table
[index
].bus
== bus
&&
4982 drives_table
[index
].unit
== unit
)
4988 int drive_get_max_bus(BlockInterfaceType type
)
4994 for (index
= 0; index
< nb_drives
; index
++) {
4995 if(drives_table
[index
].type
== type
&&
4996 drives_table
[index
].bus
> max_bus
)
4997 max_bus
= drives_table
[index
].bus
;
5002 static int drive_init(struct drive_opt
*arg
, int snapshot
,
5003 QEMUMachine
*machine
)
5008 const char *mediastr
= "";
5009 BlockInterfaceType type
;
5010 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
5011 int bus_id
, unit_id
;
5012 int cyls
, heads
, secs
, translation
;
5013 BlockDriverState
*bdrv
;
5018 char *str
= arg
->opt
;
5019 char *params
[] = { "bus", "unit", "if", "index", "cyls", "heads",
5020 "secs", "trans", "media", "snapshot", "file",
5021 "cache", "boot", NULL
};
5023 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
5024 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
5030 cyls
= heads
= secs
= 0;
5033 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5037 if (!strcmp(machine
->name
, "realview") ||
5038 !strcmp(machine
->name
, "SS-5") ||
5039 !strcmp(machine
->name
, "SS-10") ||
5040 !strcmp(machine
->name
, "SS-600MP") ||
5041 !strcmp(machine
->name
, "versatilepb") ||
5042 !strcmp(machine
->name
, "versatileab")) {
5044 max_devs
= MAX_SCSI_DEVS
;
5045 strcpy(devname
, "scsi");
5048 max_devs
= MAX_IDE_DEVS
;
5049 strcpy(devname
, "ide");
5053 /* extract parameters */
5055 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
5056 bus_id
= strtol(buf
, NULL
, 0);
5058 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
5063 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
5064 unit_id
= strtol(buf
, NULL
, 0);
5066 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
5071 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
5072 strncpy(devname
, buf
, sizeof(devname
));
5073 if (!strcmp(buf
, "ide")) {
5075 max_devs
= MAX_IDE_DEVS
;
5076 } else if (!strcmp(buf
, "scsi")) {
5078 max_devs
= MAX_SCSI_DEVS
;
5079 } else if (!strcmp(buf
, "floppy")) {
5082 } else if (!strcmp(buf
, "pflash")) {
5085 } else if (!strcmp(buf
, "mtd")) {
5088 } else if (!strcmp(buf
, "sd")) {
5091 } else if (!strcmp(buf
, "virtio")) {
5095 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
5100 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
5101 index
= strtol(buf
, NULL
, 0);
5103 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
5108 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
5109 cyls
= strtol(buf
, NULL
, 0);
5112 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
5113 heads
= strtol(buf
, NULL
, 0);
5116 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
5117 secs
= strtol(buf
, NULL
, 0);
5120 if (cyls
|| heads
|| secs
) {
5121 if (cyls
< 1 || cyls
> 16383) {
5122 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
5125 if (heads
< 1 || heads
> 16) {
5126 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
5129 if (secs
< 1 || secs
> 63) {
5130 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
5135 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
5138 "qemu: '%s' trans must be used with cyls,heads and secs\n",
5142 if (!strcmp(buf
, "none"))
5143 translation
= BIOS_ATA_TRANSLATION_NONE
;
5144 else if (!strcmp(buf
, "lba"))
5145 translation
= BIOS_ATA_TRANSLATION_LBA
;
5146 else if (!strcmp(buf
, "auto"))
5147 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5149 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
5154 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
5155 if (!strcmp(buf
, "disk")) {
5157 } else if (!strcmp(buf
, "cdrom")) {
5158 if (cyls
|| secs
|| heads
) {
5160 "qemu: '%s' invalid physical CHS format\n", str
);
5163 media
= MEDIA_CDROM
;
5165 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
5170 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
5171 if (!strcmp(buf
, "on"))
5173 else if (!strcmp(buf
, "off"))
5176 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
5181 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
5182 if (!strcmp(buf
, "off"))
5184 else if (!strcmp(buf
, "on"))
5187 fprintf(stderr
, "qemu: invalid cache option\n");
5192 if (get_param_value(buf
, sizeof(buf
), "boot", str
)) {
5193 if (!strcmp(buf
, "on")) {
5194 if (extboot_drive
!= -1) {
5195 fprintf(stderr
, "qemu: two bootable drives specified\n");
5198 extboot_drive
= nb_drives
;
5199 } else if (strcmp(buf
, "off")) {
5200 fprintf(stderr
, "qemu: '%s' invalid boot option\n", str
);
5205 if (arg
->file
== NULL
)
5206 get_param_value(file
, sizeof(file
), "file", str
);
5208 pstrcpy(file
, sizeof(file
), arg
->file
);
5210 /* compute bus and unit according index */
5213 if (bus_id
!= 0 || unit_id
!= -1) {
5215 "qemu: '%s' index cannot be used with bus and unit\n", str
);
5223 unit_id
= index
% max_devs
;
5224 bus_id
= index
/ max_devs
;
5228 /* if user doesn't specify a unit_id,
5229 * try to find the first free
5232 if (unit_id
== -1) {
5234 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
5236 if (max_devs
&& unit_id
>= max_devs
) {
5237 unit_id
-= max_devs
;
5245 if (max_devs
&& unit_id
>= max_devs
) {
5246 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
5247 str
, unit_id
, max_devs
- 1);
5252 * ignore multiple definitions
5255 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
5260 if (type
== IF_IDE
|| type
== IF_SCSI
)
5261 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
5263 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
5264 devname
, bus_id
, mediastr
, unit_id
);
5266 snprintf(buf
, sizeof(buf
), "%s%s%i",
5267 devname
, mediastr
, unit_id
);
5268 bdrv
= bdrv_new(buf
);
5269 drives_table
[nb_drives
].bdrv
= bdrv
;
5270 drives_table
[nb_drives
].type
= type
;
5271 drives_table
[nb_drives
].bus
= bus_id
;
5272 drives_table
[nb_drives
].unit
= unit_id
;
5281 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
5282 bdrv_set_translation_hint(bdrv
, translation
);
5286 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
5291 /* FIXME: This isn't really a floppy, but it's a reasonable
5294 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
5305 bdrv_flags
|= BDRV_O_SNAPSHOT
;
5307 bdrv_flags
|= BDRV_O_DIRECT
;
5308 if (bdrv_open(bdrv
, file
, bdrv_flags
) < 0 || qemu_key_check(bdrv
, file
)) {
5309 fprintf(stderr
, "qemu: could not open disk image %s\n",
5316 /***********************************************************/
5319 static USBPort
*used_usb_ports
;
5320 static USBPort
*free_usb_ports
;
5322 /* ??? Maybe change this to register a hub to keep track of the topology. */
5323 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
5324 usb_attachfn attach
)
5326 port
->opaque
= opaque
;
5327 port
->index
= index
;
5328 port
->attach
= attach
;
5329 port
->next
= free_usb_ports
;
5330 free_usb_ports
= port
;
5333 static int usb_device_add(const char *devname
)
5339 if (!free_usb_ports
)
5342 if (strstart(devname
, "host:", &p
)) {
5343 dev
= usb_host_device_open(p
);
5344 } else if (!strcmp(devname
, "mouse")) {
5345 dev
= usb_mouse_init();
5346 } else if (!strcmp(devname
, "tablet")) {
5347 dev
= usb_tablet_init();
5348 } else if (!strcmp(devname
, "keyboard")) {
5349 dev
= usb_keyboard_init();
5350 } else if (strstart(devname
, "disk:", &p
)) {
5351 dev
= usb_msd_init(p
);
5352 } else if (!strcmp(devname
, "wacom-tablet")) {
5353 dev
= usb_wacom_init();
5354 } else if (strstart(devname
, "serial:", &p
)) {
5355 dev
= usb_serial_init(p
);
5362 /* Find a USB port to add the device to. */
5363 port
= free_usb_ports
;
5367 /* Create a new hub and chain it on. */
5368 free_usb_ports
= NULL
;
5369 port
->next
= used_usb_ports
;
5370 used_usb_ports
= port
;
5372 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
5373 usb_attach(port
, hub
);
5374 port
= free_usb_ports
;
5377 free_usb_ports
= port
->next
;
5378 port
->next
= used_usb_ports
;
5379 used_usb_ports
= port
;
5380 usb_attach(port
, dev
);
5384 static int usb_device_del(const char *devname
)
5392 if (!used_usb_ports
)
5395 p
= strchr(devname
, '.');
5398 bus_num
= strtoul(devname
, NULL
, 0);
5399 addr
= strtoul(p
+ 1, NULL
, 0);
5403 lastp
= &used_usb_ports
;
5404 port
= used_usb_ports
;
5405 while (port
&& port
->dev
->addr
!= addr
) {
5406 lastp
= &port
->next
;
5414 *lastp
= port
->next
;
5415 usb_attach(port
, NULL
);
5416 dev
->handle_destroy(dev
);
5417 port
->next
= free_usb_ports
;
5418 free_usb_ports
= port
;
5422 void do_usb_add(const char *devname
)
5425 ret
= usb_device_add(devname
);
5427 term_printf("Could not add USB device '%s'\n", devname
);
5430 void do_usb_del(const char *devname
)
5433 ret
= usb_device_del(devname
);
5435 term_printf("Could not remove USB device '%s'\n", devname
);
5442 const char *speed_str
;
5445 term_printf("USB support not enabled\n");
5449 for (port
= used_usb_ports
; port
; port
= port
->next
) {
5453 switch(dev
->speed
) {
5457 case USB_SPEED_FULL
:
5460 case USB_SPEED_HIGH
:
5467 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
5468 0, dev
->addr
, speed_str
, dev
->devname
);
5472 /***********************************************************/
5473 /* PCMCIA/Cardbus */
5475 static struct pcmcia_socket_entry_s
{
5476 struct pcmcia_socket_s
*socket
;
5477 struct pcmcia_socket_entry_s
*next
;
5478 } *pcmcia_sockets
= 0;
5480 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
5482 struct pcmcia_socket_entry_s
*entry
;
5484 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
5485 entry
->socket
= socket
;
5486 entry
->next
= pcmcia_sockets
;
5487 pcmcia_sockets
= entry
;
5490 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
5492 struct pcmcia_socket_entry_s
*entry
, **ptr
;
5494 ptr
= &pcmcia_sockets
;
5495 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
5496 if (entry
->socket
== socket
) {
5502 void pcmcia_info(void)
5504 struct pcmcia_socket_entry_s
*iter
;
5505 if (!pcmcia_sockets
)
5506 term_printf("No PCMCIA sockets\n");
5508 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
5509 term_printf("%s: %s\n", iter
->socket
->slot_string
,
5510 iter
->socket
->attached
? iter
->socket
->card_string
:
5514 /***********************************************************/
5517 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
5521 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
5525 static void dumb_refresh(DisplayState
*ds
)
5527 #if defined(CONFIG_SDL)
5532 static void dumb_display_init(DisplayState
*ds
)
5537 ds
->dpy_update
= dumb_update
;
5538 ds
->dpy_resize
= dumb_resize
;
5539 ds
->dpy_refresh
= dumb_refresh
;
5542 /***********************************************************/
5545 #define MAX_IO_HANDLERS 64
5547 typedef struct IOHandlerRecord
{
5549 IOCanRWHandler
*fd_read_poll
;
5551 IOHandler
*fd_write
;
5554 /* temporary data */
5556 struct IOHandlerRecord
*next
;
5559 static IOHandlerRecord
*first_io_handler
;
5561 /* XXX: fd_read_poll should be suppressed, but an API change is
5562 necessary in the character devices to suppress fd_can_read(). */
5563 int qemu_set_fd_handler2(int fd
,
5564 IOCanRWHandler
*fd_read_poll
,
5566 IOHandler
*fd_write
,
5569 IOHandlerRecord
**pioh
, *ioh
;
5571 if (!fd_read
&& !fd_write
) {
5572 pioh
= &first_io_handler
;
5577 if (ioh
->fd
== fd
) {
5584 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
5588 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
5591 ioh
->next
= first_io_handler
;
5592 first_io_handler
= ioh
;
5595 ioh
->fd_read_poll
= fd_read_poll
;
5596 ioh
->fd_read
= fd_read
;
5597 ioh
->fd_write
= fd_write
;
5598 ioh
->opaque
= opaque
;
5604 int qemu_set_fd_handler(int fd
,
5606 IOHandler
*fd_write
,
5609 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
5612 /***********************************************************/
5613 /* Polling handling */
5615 typedef struct PollingEntry
{
5618 struct PollingEntry
*next
;
5621 static PollingEntry
*first_polling_entry
;
5623 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
5625 PollingEntry
**ppe
, *pe
;
5626 pe
= qemu_mallocz(sizeof(PollingEntry
));
5630 pe
->opaque
= opaque
;
5631 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
5636 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
5638 PollingEntry
**ppe
, *pe
;
5639 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
5641 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
5650 /***********************************************************/
5651 /* Wait objects support */
5652 typedef struct WaitObjects
{
5654 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
5655 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
5656 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
5659 static WaitObjects wait_objects
= {0};
5661 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
5663 WaitObjects
*w
= &wait_objects
;
5665 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
5667 w
->events
[w
->num
] = handle
;
5668 w
->func
[w
->num
] = func
;
5669 w
->opaque
[w
->num
] = opaque
;
5674 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
5677 WaitObjects
*w
= &wait_objects
;
5680 for (i
= 0; i
< w
->num
; i
++) {
5681 if (w
->events
[i
] == handle
)
5684 w
->events
[i
] = w
->events
[i
+ 1];
5685 w
->func
[i
] = w
->func
[i
+ 1];
5686 w
->opaque
[i
] = w
->opaque
[i
+ 1];
5694 #define SELF_ANNOUNCE_ROUNDS 5
5695 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
5696 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
5697 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
5699 static int announce_self_create(uint8_t *buf
,
5702 uint32_t magic
= EXPERIMENTAL_MAGIC
;
5703 uint16_t proto
= htons(ETH_P_EXPERIMENTAL
);
5705 /* FIXME: should we send a different packet (arp/rarp/ping)? */
5707 memset(buf
, 0xff, 6); /* h_dst */
5708 memcpy(buf
+ 6, mac_addr
, 6); /* h_src */
5709 memcpy(buf
+ 12, &proto
, 2); /* h_proto */
5710 memcpy(buf
+ 14, &magic
, 4); /* magic */
5712 return 18; /* len */
5715 static void qemu_announce_self(void)
5719 VLANClientState
*vc
;
5722 for (i
= 0; i
< nb_nics
; i
++) {
5723 len
= announce_self_create(buf
, nd_table
[i
].macaddr
);
5724 vlan
= nd_table
[i
].vlan
;
5725 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
5726 if (vc
->fd_read
== tap_receive
) /* send only if tap */
5727 for (j
=0; j
< SELF_ANNOUNCE_ROUNDS
; j
++)
5728 vc
->fd_read(vc
->opaque
, buf
, len
);
5733 /***********************************************************/
5734 /* savevm/loadvm support */
5736 #define IO_BUF_SIZE 32768
5739 QEMUFilePutBufferFunc
*put_buffer
;
5740 QEMUFileGetBufferFunc
*get_buffer
;
5741 QEMUFileCloseFunc
*close
;
5744 int64_t buf_offset
; /* start of buffer when writing, end of buffer
5747 int buf_size
; /* 0 when writing */
5748 uint8_t buf
[IO_BUF_SIZE
];
5751 typedef struct QEMUFileFD
5756 static int fd_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5758 QEMUFileFD
*s
= opaque
;
5763 len
= read(s
->fd
, buf
+ offset
, size
- offset
);
5765 if (errno
== EINTR
|| errno
== EAGAIN
)
5772 QEMUFile
*qemu_fopen_fd(int fd
)
5774 QEMUFileFD
*s
= qemu_mallocz(sizeof(QEMUFileFD
));
5776 return qemu_fopen(s
, NULL
, fd_get_buffer
, qemu_free
);
5779 typedef struct QEMUFileUnix
5784 static void file_put_buffer(void *opaque
, const uint8_t *buf
, int64_t pos
, int size
)
5786 QEMUFileUnix
*s
= opaque
;
5787 fseek(s
->outfile
, pos
, SEEK_SET
);
5788 fwrite(buf
, 1, size
, s
->outfile
);
5791 static int file_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5793 QEMUFileUnix
*s
= opaque
;
5794 fseek(s
->outfile
, pos
, SEEK_SET
);
5795 return fread(buf
, 1, size
, s
->outfile
);
5798 static void file_close(void *opaque
)
5800 QEMUFileUnix
*s
= opaque
;
5805 QEMUFile
*qemu_fopen_file(const char *filename
, const char *mode
)
5809 s
= qemu_mallocz(sizeof(QEMUFileUnix
));
5813 s
->outfile
= fopen(filename
, mode
);
5817 if (!strcmp(mode
, "wb"))
5818 return qemu_fopen(s
, file_put_buffer
, NULL
, file_close
);
5819 else if (!strcmp(mode
, "rb"))
5820 return qemu_fopen(s
, NULL
, file_get_buffer
, file_close
);
5829 typedef struct QEMUFileBdrv
5831 BlockDriverState
*bs
;
5832 int64_t base_offset
;
5835 static void bdrv_put_buffer(void *opaque
, const uint8_t *buf
, int64_t pos
, int size
)
5837 QEMUFileBdrv
*s
= opaque
;
5838 bdrv_pwrite(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
5841 static int bdrv_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5843 QEMUFileBdrv
*s
= opaque
;
5844 return bdrv_pread(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
5847 QEMUFile
*qemu_fopen_bdrv(BlockDriverState
*bs
, int64_t offset
, int is_writable
)
5851 s
= qemu_mallocz(sizeof(QEMUFileBdrv
));
5856 s
->base_offset
= offset
;
5859 return qemu_fopen(s
, bdrv_put_buffer
, NULL
, qemu_free
);
5861 return qemu_fopen(s
, NULL
, bdrv_get_buffer
, qemu_free
);
5864 QEMUFile
*qemu_fopen(void *opaque
, QEMUFilePutBufferFunc
*put_buffer
,
5865 QEMUFileGetBufferFunc
*get_buffer
, QEMUFileCloseFunc
*close
)
5869 f
= qemu_mallocz(sizeof(QEMUFile
));
5874 f
->put_buffer
= put_buffer
;
5875 f
->get_buffer
= get_buffer
;
5881 void qemu_fflush(QEMUFile
*f
)
5886 if (f
->buf_index
> 0) {
5887 f
->put_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, f
->buf_index
);
5888 f
->buf_offset
+= f
->buf_index
;
5893 static void qemu_fill_buffer(QEMUFile
*f
)
5900 len
= f
->get_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, IO_BUF_SIZE
);
5906 f
->buf_offset
+= len
;
5909 void qemu_fclose(QEMUFile
*f
)
5913 f
->close(f
->opaque
);
5917 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
5921 l
= IO_BUF_SIZE
- f
->buf_index
;
5924 memcpy(f
->buf
+ f
->buf_index
, buf
, l
);
5928 if (f
->buf_index
>= IO_BUF_SIZE
)
5933 void qemu_put_byte(QEMUFile
*f
, int v
)
5935 f
->buf
[f
->buf_index
++] = v
;
5936 if (f
->buf_index
>= IO_BUF_SIZE
)
5940 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size1
)
5946 l
= f
->buf_size
- f
->buf_index
;
5948 qemu_fill_buffer(f
);
5949 l
= f
->buf_size
- f
->buf_index
;
5955 memcpy(buf
, f
->buf
+ f
->buf_index
, l
);
5960 return size1
- size
;
5963 int qemu_get_byte(QEMUFile
*f
)
5965 if (f
->buf_index
>= f
->buf_size
) {
5966 qemu_fill_buffer(f
);
5967 if (f
->buf_index
>= f
->buf_size
)
5970 return f
->buf
[f
->buf_index
++];
5973 int64_t qemu_ftell(QEMUFile
*f
)
5975 return f
->buf_offset
- f
->buf_size
+ f
->buf_index
;
5978 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
5980 if (whence
== SEEK_SET
) {
5982 } else if (whence
== SEEK_CUR
) {
5983 pos
+= qemu_ftell(f
);
5985 /* SEEK_END not supported */
5988 if (f
->put_buffer
) {
5990 f
->buf_offset
= pos
;
5992 f
->buf_offset
= pos
;
5999 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
6001 qemu_put_byte(f
, v
>> 8);
6002 qemu_put_byte(f
, v
);
6005 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
6007 qemu_put_byte(f
, v
>> 24);
6008 qemu_put_byte(f
, v
>> 16);
6009 qemu_put_byte(f
, v
>> 8);
6010 qemu_put_byte(f
, v
);
6013 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
6015 qemu_put_be32(f
, v
>> 32);
6016 qemu_put_be32(f
, v
);
6019 unsigned int qemu_get_be16(QEMUFile
*f
)
6022 v
= qemu_get_byte(f
) << 8;
6023 v
|= qemu_get_byte(f
);
6027 unsigned int qemu_get_be32(QEMUFile
*f
)
6030 v
= qemu_get_byte(f
) << 24;
6031 v
|= qemu_get_byte(f
) << 16;
6032 v
|= qemu_get_byte(f
) << 8;
6033 v
|= qemu_get_byte(f
);
6037 uint64_t qemu_get_be64(QEMUFile
*f
)
6040 v
= (uint64_t)qemu_get_be32(f
) << 32;
6041 v
|= qemu_get_be32(f
);
6045 typedef struct SaveStateEntry
{
6049 SaveStateHandler
*save_state
;
6050 LoadStateHandler
*load_state
;
6052 struct SaveStateEntry
*next
;
6055 static SaveStateEntry
*first_se
;
6057 int register_savevm(const char *idstr
,
6060 SaveStateHandler
*save_state
,
6061 LoadStateHandler
*load_state
,
6064 SaveStateEntry
*se
, **pse
;
6066 se
= qemu_malloc(sizeof(SaveStateEntry
));
6069 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
6070 se
->instance_id
= instance_id
;
6071 se
->version_id
= version_id
;
6072 se
->save_state
= save_state
;
6073 se
->load_state
= load_state
;
6074 se
->opaque
= opaque
;
6077 /* add at the end of list */
6079 while (*pse
!= NULL
)
6080 pse
= &(*pse
)->next
;
6085 #define QEMU_VM_FILE_MAGIC 0x5145564d
6086 #define QEMU_VM_FILE_VERSION 0x00000002
6088 static int qemu_savevm_state(QEMUFile
*f
)
6092 int64_t cur_pos
, len_pos
, total_len_pos
;
6094 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
6095 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
6096 total_len_pos
= qemu_ftell(f
);
6097 qemu_put_be64(f
, 0); /* total size */
6099 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6101 len
= strlen(se
->idstr
);
6102 qemu_put_byte(f
, len
);
6103 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
6105 qemu_put_be32(f
, se
->instance_id
);
6106 qemu_put_be32(f
, se
->version_id
);
6108 /* record size: filled later */
6109 len_pos
= qemu_ftell(f
);
6110 qemu_put_be32(f
, 0);
6111 se
->save_state(f
, se
->opaque
);
6113 /* fill record size */
6114 cur_pos
= qemu_ftell(f
);
6115 len
= cur_pos
- len_pos
- 4;
6116 qemu_fseek(f
, len_pos
, SEEK_SET
);
6117 qemu_put_be32(f
, len
);
6118 qemu_fseek(f
, cur_pos
, SEEK_SET
);
6120 cur_pos
= qemu_ftell(f
);
6121 qemu_fseek(f
, total_len_pos
, SEEK_SET
);
6122 qemu_put_be64(f
, cur_pos
- total_len_pos
- 8);
6123 qemu_fseek(f
, cur_pos
, SEEK_SET
);
6129 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
6133 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6134 if (!strcmp(se
->idstr
, idstr
) &&
6135 instance_id
== se
->instance_id
)
6141 static int qemu_loadvm_state(QEMUFile
*f
)
6144 int len
, ret
, instance_id
, record_len
, version_id
;
6145 int64_t total_len
, end_pos
, cur_pos
;
6149 v
= qemu_get_be32(f
);
6150 if (v
!= QEMU_VM_FILE_MAGIC
)
6152 v
= qemu_get_be32(f
);
6153 if (v
!= QEMU_VM_FILE_VERSION
) {
6158 total_len
= qemu_get_be64(f
);
6159 end_pos
= total_len
+ qemu_ftell(f
);
6161 if (qemu_ftell(f
) >= end_pos
)
6163 len
= qemu_get_byte(f
);
6164 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
6166 instance_id
= qemu_get_be32(f
);
6167 version_id
= qemu_get_be32(f
);
6168 record_len
= qemu_get_be32(f
);
6170 printf("idstr=%s instance=0x%x version=%d len=%d\n",
6171 idstr
, instance_id
, version_id
, record_len
);
6173 cur_pos
= qemu_ftell(f
);
6174 se
= find_se(idstr
, instance_id
);
6176 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6177 instance_id
, idstr
);
6179 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6181 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6182 instance_id
, idstr
);
6186 /* always seek to exact end of record */
6187 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
6194 int qemu_live_savevm_state(QEMUFile
*f
)
6199 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
6200 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
6202 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6203 len
= strlen(se
->idstr
);
6205 qemu_put_byte(f
, len
);
6206 qemu_put_buffer(f
, se
->idstr
, len
);
6207 qemu_put_be32(f
, se
->instance_id
);
6208 qemu_put_be32(f
, se
->version_id
);
6210 se
->save_state(f
, se
->opaque
);
6213 qemu_put_byte(f
, 0);
6219 int qemu_live_loadvm_state(QEMUFile
*f
)
6222 int len
, ret
, instance_id
, version_id
;
6226 v
= qemu_get_be32(f
);
6227 if (v
!= QEMU_VM_FILE_MAGIC
)
6229 v
= qemu_get_be32(f
);
6230 if (v
!= QEMU_VM_FILE_VERSION
) {
6237 len
= qemu_get_byte(f
);
6240 qemu_get_buffer(f
, idstr
, len
);
6242 instance_id
= qemu_get_be32(f
);
6243 version_id
= qemu_get_be32(f
);
6244 se
= find_se(idstr
, instance_id
);
6246 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6247 instance_id
, idstr
);
6249 if (version_id
> se
->version_id
) { /* src version > dst version */
6250 fprintf(stderr
, "migration:version mismatch:%s:%d(s)>%d(d)\n",
6251 idstr
, version_id
, se
->version_id
);
6255 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6257 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6258 instance_id
, idstr
);
6265 qemu_announce_self();
6271 /* device can contain snapshots */
6272 static int bdrv_can_snapshot(BlockDriverState
*bs
)
6275 !bdrv_is_removable(bs
) &&
6276 !bdrv_is_read_only(bs
));
6279 /* device must be snapshots in order to have a reliable snapshot */
6280 static int bdrv_has_snapshot(BlockDriverState
*bs
)
6283 !bdrv_is_removable(bs
) &&
6284 !bdrv_is_read_only(bs
));
6287 static BlockDriverState
*get_bs_snapshots(void)
6289 BlockDriverState
*bs
;
6293 return bs_snapshots
;
6294 for(i
= 0; i
<= nb_drives
; i
++) {
6295 bs
= drives_table
[i
].bdrv
;
6296 if (bdrv_can_snapshot(bs
))
6305 static int bdrv_snapshot_find(BlockDriverState
*bs
, QEMUSnapshotInfo
*sn_info
,
6308 QEMUSnapshotInfo
*sn_tab
, *sn
;
6312 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6315 for(i
= 0; i
< nb_sns
; i
++) {
6317 if (!strcmp(sn
->id_str
, name
) || !strcmp(sn
->name
, name
)) {
6327 void do_savevm(const char *name
)
6329 BlockDriverState
*bs
, *bs1
;
6330 QEMUSnapshotInfo sn1
, *sn
= &sn1
, old_sn1
, *old_sn
= &old_sn1
;
6331 int must_delete
, ret
, i
;
6332 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
6334 int saved_vm_running
;
6341 bs
= get_bs_snapshots();
6343 term_printf("No block device can accept snapshots\n");
6347 /* ??? Should this occur after vm_stop? */
6350 saved_vm_running
= vm_running
;
6355 ret
= bdrv_snapshot_find(bs
, old_sn
, name
);
6360 memset(sn
, 0, sizeof(*sn
));
6362 pstrcpy(sn
->name
, sizeof(sn
->name
), old_sn
->name
);
6363 pstrcpy(sn
->id_str
, sizeof(sn
->id_str
), old_sn
->id_str
);
6366 pstrcpy(sn
->name
, sizeof(sn
->name
), name
);
6369 /* fill auxiliary fields */
6372 sn
->date_sec
= tb
.time
;
6373 sn
->date_nsec
= tb
.millitm
* 1000000;
6375 gettimeofday(&tv
, NULL
);
6376 sn
->date_sec
= tv
.tv_sec
;
6377 sn
->date_nsec
= tv
.tv_usec
* 1000;
6379 sn
->vm_clock_nsec
= qemu_get_clock(vm_clock
);
6381 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
6382 term_printf("Device %s does not support VM state snapshots\n",
6383 bdrv_get_device_name(bs
));
6387 /* save the VM state */
6388 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 1);
6390 term_printf("Could not open VM state file\n");
6393 ret
= qemu_savevm_state(f
);
6394 sn
->vm_state_size
= qemu_ftell(f
);
6397 term_printf("Error %d while writing VM\n", ret
);
6401 /* create the snapshots */
6403 for(i
= 0; i
< nb_drives
; i
++) {
6404 bs1
= drives_table
[i
].bdrv
;
6405 if (bdrv_has_snapshot(bs1
)) {
6407 ret
= bdrv_snapshot_delete(bs1
, old_sn
->id_str
);
6409 term_printf("Error while deleting snapshot on '%s'\n",
6410 bdrv_get_device_name(bs1
));
6413 ret
= bdrv_snapshot_create(bs1
, sn
);
6415 term_printf("Error while creating snapshot on '%s'\n",
6416 bdrv_get_device_name(bs1
));
6422 if (saved_vm_running
)
6426 void do_loadvm(const char *name
)
6428 BlockDriverState
*bs
, *bs1
;
6429 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
6432 int saved_vm_running
;
6434 bs
= get_bs_snapshots();
6436 term_printf("No block device supports snapshots\n");
6440 /* Flush all IO requests so they don't interfere with the new state. */
6443 saved_vm_running
= vm_running
;
6446 for(i
= 0; i
<= nb_drives
; i
++) {
6447 bs1
= drives_table
[i
].bdrv
;
6448 if (bdrv_has_snapshot(bs1
)) {
6449 ret
= bdrv_snapshot_goto(bs1
, name
);
6452 term_printf("Warning: ");
6455 term_printf("Snapshots not supported on device '%s'\n",
6456 bdrv_get_device_name(bs1
));
6459 term_printf("Could not find snapshot '%s' on device '%s'\n",
6460 name
, bdrv_get_device_name(bs1
));
6463 term_printf("Error %d while activating snapshot on '%s'\n",
6464 ret
, bdrv_get_device_name(bs1
));
6467 /* fatal on snapshot block device */
6474 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
6475 term_printf("Device %s does not support VM state snapshots\n",
6476 bdrv_get_device_name(bs
));
6480 /* restore the VM state */
6481 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 0);
6483 term_printf("Could not open VM state file\n");
6486 ret
= qemu_loadvm_state(f
);
6489 term_printf("Error %d while loading VM state\n", ret
);
6492 if (saved_vm_running
)
6496 void do_delvm(const char *name
)
6498 BlockDriverState
*bs
, *bs1
;
6501 bs
= get_bs_snapshots();
6503 term_printf("No block device supports snapshots\n");
6507 for(i
= 0; i
<= nb_drives
; i
++) {
6508 bs1
= drives_table
[i
].bdrv
;
6509 if (bdrv_has_snapshot(bs1
)) {
6510 ret
= bdrv_snapshot_delete(bs1
, name
);
6512 if (ret
== -ENOTSUP
)
6513 term_printf("Snapshots not supported on device '%s'\n",
6514 bdrv_get_device_name(bs1
));
6516 term_printf("Error %d while deleting snapshot on '%s'\n",
6517 ret
, bdrv_get_device_name(bs1
));
6523 void do_info_snapshots(void)
6525 BlockDriverState
*bs
, *bs1
;
6526 QEMUSnapshotInfo
*sn_tab
, *sn
;
6530 bs
= get_bs_snapshots();
6532 term_printf("No available block device supports snapshots\n");
6535 term_printf("Snapshot devices:");
6536 for(i
= 0; i
<= nb_drives
; i
++) {
6537 bs1
= drives_table
[i
].bdrv
;
6538 if (bdrv_has_snapshot(bs1
)) {
6540 term_printf(" %s", bdrv_get_device_name(bs1
));
6545 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6547 term_printf("bdrv_snapshot_list: error %d\n", nb_sns
);
6550 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs
));
6551 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), NULL
));
6552 for(i
= 0; i
< nb_sns
; i
++) {
6554 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), sn
));
6559 /***********************************************************/
6560 /* cpu save/restore */
6562 #if defined(TARGET_I386)
6564 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
6566 qemu_put_be32(f
, dt
->selector
);
6567 qemu_put_betl(f
, dt
->base
);
6568 qemu_put_be32(f
, dt
->limit
);
6569 qemu_put_be32(f
, dt
->flags
);
6572 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
6574 dt
->selector
= qemu_get_be32(f
);
6575 dt
->base
= qemu_get_betl(f
);
6576 dt
->limit
= qemu_get_be32(f
);
6577 dt
->flags
= qemu_get_be32(f
);
6580 void cpu_save(QEMUFile
*f
, void *opaque
)
6582 CPUState
*env
= opaque
;
6583 uint16_t fptag
, fpus
, fpuc
, fpregs_format
;
6588 kvm_save_registers(env
);
6590 for(i
= 0; i
< CPU_NB_REGS
; i
++)
6591 qemu_put_betls(f
, &env
->regs
[i
]);
6592 qemu_put_betls(f
, &env
->eip
);
6593 qemu_put_betls(f
, &env
->eflags
);
6594 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
6595 qemu_put_be32s(f
, &hflags
);
6599 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
6601 for(i
= 0; i
< 8; i
++) {
6602 fptag
|= ((!env
->fptags
[i
]) << i
);
6605 qemu_put_be16s(f
, &fpuc
);
6606 qemu_put_be16s(f
, &fpus
);
6607 qemu_put_be16s(f
, &fptag
);
6609 #ifdef USE_X86LDOUBLE
6614 qemu_put_be16s(f
, &fpregs_format
);
6616 for(i
= 0; i
< 8; i
++) {
6617 #ifdef USE_X86LDOUBLE
6621 /* we save the real CPU data (in case of MMX usage only 'mant'
6622 contains the MMX register */
6623 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
].d
);
6624 qemu_put_be64(f
, mant
);
6625 qemu_put_be16(f
, exp
);
6628 /* if we use doubles for float emulation, we save the doubles to
6629 avoid losing information in case of MMX usage. It can give
6630 problems if the image is restored on a CPU where long
6631 doubles are used instead. */
6632 qemu_put_be64(f
, env
->fpregs
[i
].mmx
.MMX_Q(0));
6636 for(i
= 0; i
< 6; i
++)
6637 cpu_put_seg(f
, &env
->segs
[i
]);
6638 cpu_put_seg(f
, &env
->ldt
);
6639 cpu_put_seg(f
, &env
->tr
);
6640 cpu_put_seg(f
, &env
->gdt
);
6641 cpu_put_seg(f
, &env
->idt
);
6643 qemu_put_be32s(f
, &env
->sysenter_cs
);
6644 qemu_put_be32s(f
, &env
->sysenter_esp
);
6645 qemu_put_be32s(f
, &env
->sysenter_eip
);
6647 qemu_put_betls(f
, &env
->cr
[0]);
6648 qemu_put_betls(f
, &env
->cr
[2]);
6649 qemu_put_betls(f
, &env
->cr
[3]);
6650 qemu_put_betls(f
, &env
->cr
[4]);
6652 for(i
= 0; i
< 8; i
++)
6653 qemu_put_betls(f
, &env
->dr
[i
]);
6656 qemu_put_be32s(f
, &env
->a20_mask
);
6659 qemu_put_be32s(f
, &env
->mxcsr
);
6660 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
6661 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
6662 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
6665 #ifdef TARGET_X86_64
6666 qemu_put_be64s(f
, &env
->efer
);
6667 qemu_put_be64s(f
, &env
->star
);
6668 qemu_put_be64s(f
, &env
->lstar
);
6669 qemu_put_be64s(f
, &env
->cstar
);
6670 qemu_put_be64s(f
, &env
->fmask
);
6671 qemu_put_be64s(f
, &env
->kernelgsbase
);
6673 qemu_put_be32s(f
, &env
->smbase
);
6675 if (kvm_enabled()) {
6676 for (i
= 0; i
< NR_IRQ_WORDS
; i
++) {
6677 qemu_put_be32s(f
, &env
->kvm_interrupt_bitmap
[i
]);
6679 qemu_put_be64s(f
, &env
->tsc
);
6683 #ifdef USE_X86LDOUBLE
6684 /* XXX: add that in a FPU generic layer */
6685 union x86_longdouble
{
6690 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
6691 #define EXPBIAS1 1023
6692 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
6693 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
6695 static void fp64_to_fp80(union x86_longdouble
*p
, uint64_t temp
)
6699 p
->mant
= (MANTD1(temp
) << 11) | (1LL << 63);
6700 /* exponent + sign */
6701 e
= EXPD1(temp
) - EXPBIAS1
+ 16383;
6702 e
|= SIGND1(temp
) >> 16;
6707 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6709 CPUState
*env
= opaque
;
6712 uint16_t fpus
, fpuc
, fptag
, fpregs_format
;
6714 if (version_id
!= 3 && version_id
!= 4)
6716 for(i
= 0; i
< CPU_NB_REGS
; i
++)
6717 qemu_get_betls(f
, &env
->regs
[i
]);
6718 qemu_get_betls(f
, &env
->eip
);
6719 qemu_get_betls(f
, &env
->eflags
);
6720 qemu_get_be32s(f
, &hflags
);
6722 qemu_get_be16s(f
, &fpuc
);
6723 qemu_get_be16s(f
, &fpus
);
6724 qemu_get_be16s(f
, &fptag
);
6725 qemu_get_be16s(f
, &fpregs_format
);
6727 /* NOTE: we cannot always restore the FPU state if the image come
6728 from a host with a different 'USE_X86LDOUBLE' define. We guess
6729 if we are in an MMX state to restore correctly in that case. */
6730 guess_mmx
= ((fptag
== 0xff) && (fpus
& 0x3800) == 0);
6731 for(i
= 0; i
< 8; i
++) {
6735 switch(fpregs_format
) {
6737 mant
= qemu_get_be64(f
);
6738 exp
= qemu_get_be16(f
);
6739 #ifdef USE_X86LDOUBLE
6740 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
6742 /* difficult case */
6744 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
6746 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
6750 mant
= qemu_get_be64(f
);
6751 #ifdef USE_X86LDOUBLE
6753 union x86_longdouble
*p
;
6754 /* difficult case */
6755 p
= (void *)&env
->fpregs
[i
];
6760 fp64_to_fp80(p
, mant
);
6764 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
6773 /* XXX: restore FPU round state */
6774 env
->fpstt
= (fpus
>> 11) & 7;
6775 env
->fpus
= fpus
& ~0x3800;
6777 for(i
= 0; i
< 8; i
++) {
6778 env
->fptags
[i
] = (fptag
>> i
) & 1;
6781 for(i
= 0; i
< 6; i
++)
6782 cpu_get_seg(f
, &env
->segs
[i
]);
6783 cpu_get_seg(f
, &env
->ldt
);
6784 cpu_get_seg(f
, &env
->tr
);
6785 cpu_get_seg(f
, &env
->gdt
);
6786 cpu_get_seg(f
, &env
->idt
);
6788 qemu_get_be32s(f
, &env
->sysenter_cs
);
6789 qemu_get_be32s(f
, &env
->sysenter_esp
);
6790 qemu_get_be32s(f
, &env
->sysenter_eip
);
6792 qemu_get_betls(f
, &env
->cr
[0]);
6793 qemu_get_betls(f
, &env
->cr
[2]);
6794 qemu_get_betls(f
, &env
->cr
[3]);
6795 qemu_get_betls(f
, &env
->cr
[4]);
6797 for(i
= 0; i
< 8; i
++)
6798 qemu_get_betls(f
, &env
->dr
[i
]);
6801 qemu_get_be32s(f
, &env
->a20_mask
);
6803 qemu_get_be32s(f
, &env
->mxcsr
);
6804 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
6805 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
6806 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
6809 #ifdef TARGET_X86_64
6810 qemu_get_be64s(f
, &env
->efer
);
6811 qemu_get_be64s(f
, &env
->star
);
6812 qemu_get_be64s(f
, &env
->lstar
);
6813 qemu_get_be64s(f
, &env
->cstar
);
6814 qemu_get_be64s(f
, &env
->fmask
);
6815 qemu_get_be64s(f
, &env
->kernelgsbase
);
6817 if (version_id
>= 4)
6818 qemu_get_be32s(f
, &env
->smbase
);
6820 /* XXX: compute hflags from scratch, except for CPL and IIF */
6821 env
->hflags
= hflags
;
6823 if (kvm_enabled()) {
6824 /* when in-kernel irqchip is used, HF_HALTED_MASK causes deadlock
6825 because no userspace IRQs will ever clear this flag */
6826 env
->hflags
&= ~HF_HALTED_MASK
;
6827 for (i
= 0; i
< NR_IRQ_WORDS
; i
++) {
6828 qemu_get_be32s(f
, &env
->kvm_interrupt_bitmap
[i
]);
6830 qemu_get_be64s(f
, &env
->tsc
);
6831 kvm_load_registers(env
);
6836 #elif defined(TARGET_PPC)
6837 void cpu_save(QEMUFile
*f
, void *opaque
)
6841 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6846 #elif defined(TARGET_MIPS)
6847 void cpu_save(QEMUFile
*f
, void *opaque
)
6851 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6856 #elif defined(TARGET_SPARC)
6857 void cpu_save(QEMUFile
*f
, void *opaque
)
6859 CPUState
*env
= opaque
;
6863 for(i
= 0; i
< 8; i
++)
6864 qemu_put_betls(f
, &env
->gregs
[i
]);
6865 for(i
= 0; i
< NWINDOWS
* 16; i
++)
6866 qemu_put_betls(f
, &env
->regbase
[i
]);
6869 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
6875 qemu_put_be32(f
, u
.i
);
6878 qemu_put_betls(f
, &env
->pc
);
6879 qemu_put_betls(f
, &env
->npc
);
6880 qemu_put_betls(f
, &env
->y
);
6882 qemu_put_be32(f
, tmp
);
6883 qemu_put_betls(f
, &env
->fsr
);
6884 qemu_put_betls(f
, &env
->tbr
);
6885 #ifndef TARGET_SPARC64
6886 qemu_put_be32s(f
, &env
->wim
);
6888 for(i
= 0; i
< 16; i
++)
6889 qemu_put_be32s(f
, &env
->mmuregs
[i
]);
6893 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6895 CPUState
*env
= opaque
;
6899 for(i
= 0; i
< 8; i
++)
6900 qemu_get_betls(f
, &env
->gregs
[i
]);
6901 for(i
= 0; i
< NWINDOWS
* 16; i
++)
6902 qemu_get_betls(f
, &env
->regbase
[i
]);
6905 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
6910 u
.i
= qemu_get_be32(f
);
6914 qemu_get_betls(f
, &env
->pc
);
6915 qemu_get_betls(f
, &env
->npc
);
6916 qemu_get_betls(f
, &env
->y
);
6917 tmp
= qemu_get_be32(f
);
6918 env
->cwp
= 0; /* needed to ensure that the wrapping registers are
6919 correctly updated */
6921 qemu_get_betls(f
, &env
->fsr
);
6922 qemu_get_betls(f
, &env
->tbr
);
6923 #ifndef TARGET_SPARC64
6924 qemu_get_be32s(f
, &env
->wim
);
6926 for(i
= 0; i
< 16; i
++)
6927 qemu_get_be32s(f
, &env
->mmuregs
[i
]);
6933 #elif defined(TARGET_ARM)
6935 void cpu_save(QEMUFile
*f
, void *opaque
)
6938 CPUARMState
*env
= (CPUARMState
*)opaque
;
6940 for (i
= 0; i
< 16; i
++) {
6941 qemu_put_be32(f
, env
->regs
[i
]);
6943 qemu_put_be32(f
, cpsr_read(env
));
6944 qemu_put_be32(f
, env
->spsr
);
6945 for (i
= 0; i
< 6; i
++) {
6946 qemu_put_be32(f
, env
->banked_spsr
[i
]);
6947 qemu_put_be32(f
, env
->banked_r13
[i
]);
6948 qemu_put_be32(f
, env
->banked_r14
[i
]);
6950 for (i
= 0; i
< 5; i
++) {
6951 qemu_put_be32(f
, env
->usr_regs
[i
]);
6952 qemu_put_be32(f
, env
->fiq_regs
[i
]);
6954 qemu_put_be32(f
, env
->cp15
.c0_cpuid
);
6955 qemu_put_be32(f
, env
->cp15
.c0_cachetype
);
6956 qemu_put_be32(f
, env
->cp15
.c1_sys
);
6957 qemu_put_be32(f
, env
->cp15
.c1_coproc
);
6958 qemu_put_be32(f
, env
->cp15
.c1_xscaleauxcr
);
6959 qemu_put_be32(f
, env
->cp15
.c2_base0
);
6960 qemu_put_be32(f
, env
->cp15
.c2_base1
);
6961 qemu_put_be32(f
, env
->cp15
.c2_mask
);
6962 qemu_put_be32(f
, env
->cp15
.c2_data
);
6963 qemu_put_be32(f
, env
->cp15
.c2_insn
);
6964 qemu_put_be32(f
, env
->cp15
.c3
);
6965 qemu_put_be32(f
, env
->cp15
.c5_insn
);
6966 qemu_put_be32(f
, env
->cp15
.c5_data
);
6967 for (i
= 0; i
< 8; i
++) {
6968 qemu_put_be32(f
, env
->cp15
.c6_region
[i
]);
6970 qemu_put_be32(f
, env
->cp15
.c6_insn
);
6971 qemu_put_be32(f
, env
->cp15
.c6_data
);
6972 qemu_put_be32(f
, env
->cp15
.c9_insn
);
6973 qemu_put_be32(f
, env
->cp15
.c9_data
);
6974 qemu_put_be32(f
, env
->cp15
.c13_fcse
);
6975 qemu_put_be32(f
, env
->cp15
.c13_context
);
6976 qemu_put_be32(f
, env
->cp15
.c13_tls1
);
6977 qemu_put_be32(f
, env
->cp15
.c13_tls2
);
6978 qemu_put_be32(f
, env
->cp15
.c13_tls3
);
6979 qemu_put_be32(f
, env
->cp15
.c15_cpar
);
6981 qemu_put_be32(f
, env
->features
);
6983 if (arm_feature(env
, ARM_FEATURE_VFP
)) {
6984 for (i
= 0; i
< 16; i
++) {
6986 u
.d
= env
->vfp
.regs
[i
];
6987 qemu_put_be32(f
, u
.l
.upper
);
6988 qemu_put_be32(f
, u
.l
.lower
);
6990 for (i
= 0; i
< 16; i
++) {
6991 qemu_put_be32(f
, env
->vfp
.xregs
[i
]);
6994 /* TODO: Should use proper FPSCR access functions. */
6995 qemu_put_be32(f
, env
->vfp
.vec_len
);
6996 qemu_put_be32(f
, env
->vfp
.vec_stride
);
6998 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
6999 for (i
= 16; i
< 32; i
++) {
7001 u
.d
= env
->vfp
.regs
[i
];
7002 qemu_put_be32(f
, u
.l
.upper
);
7003 qemu_put_be32(f
, u
.l
.lower
);
7008 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
7009 for (i
= 0; i
< 16; i
++) {
7010 qemu_put_be64(f
, env
->iwmmxt
.regs
[i
]);
7012 for (i
= 0; i
< 16; i
++) {
7013 qemu_put_be32(f
, env
->iwmmxt
.cregs
[i
]);
7017 if (arm_feature(env
, ARM_FEATURE_M
)) {
7018 qemu_put_be32(f
, env
->v7m
.other_sp
);
7019 qemu_put_be32(f
, env
->v7m
.vecbase
);
7020 qemu_put_be32(f
, env
->v7m
.basepri
);
7021 qemu_put_be32(f
, env
->v7m
.control
);
7022 qemu_put_be32(f
, env
->v7m
.current_sp
);
7023 qemu_put_be32(f
, env
->v7m
.exception
);
7027 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
7029 CPUARMState
*env
= (CPUARMState
*)opaque
;
7032 if (version_id
!= ARM_CPU_SAVE_VERSION
)
7035 for (i
= 0; i
< 16; i
++) {
7036 env
->regs
[i
] = qemu_get_be32(f
);
7038 cpsr_write(env
, qemu_get_be32(f
), 0xffffffff);
7039 env
->spsr
= qemu_get_be32(f
);
7040 for (i
= 0; i
< 6; i
++) {
7041 env
->banked_spsr
[i
] = qemu_get_be32(f
);
7042 env
->banked_r13
[i
] = qemu_get_be32(f
);
7043 env
->banked_r14
[i
] = qemu_get_be32(f
);
7045 for (i
= 0; i
< 5; i
++) {
7046 env
->usr_regs
[i
] = qemu_get_be32(f
);
7047 env
->fiq_regs
[i
] = qemu_get_be32(f
);
7049 env
->cp15
.c0_cpuid
= qemu_get_be32(f
);
7050 env
->cp15
.c0_cachetype
= qemu_get_be32(f
);
7051 env
->cp15
.c1_sys
= qemu_get_be32(f
);
7052 env
->cp15
.c1_coproc
= qemu_get_be32(f
);
7053 env
->cp15
.c1_xscaleauxcr
= qemu_get_be32(f
);
7054 env
->cp15
.c2_base0
= qemu_get_be32(f
);
7055 env
->cp15
.c2_base1
= qemu_get_be32(f
);
7056 env
->cp15
.c2_mask
= qemu_get_be32(f
);
7057 env
->cp15
.c2_data
= qemu_get_be32(f
);
7058 env
->cp15
.c2_insn
= qemu_get_be32(f
);
7059 env
->cp15
.c3
= qemu_get_be32(f
);
7060 env
->cp15
.c5_insn
= qemu_get_be32(f
);
7061 env
->cp15
.c5_data
= qemu_get_be32(f
);
7062 for (i
= 0; i
< 8; i
++) {
7063 env
->cp15
.c6_region
[i
] = qemu_get_be32(f
);
7065 env
->cp15
.c6_insn
= qemu_get_be32(f
);
7066 env
->cp15
.c6_data
= qemu_get_be32(f
);
7067 env
->cp15
.c9_insn
= qemu_get_be32(f
);
7068 env
->cp15
.c9_data
= qemu_get_be32(f
);
7069 env
->cp15
.c13_fcse
= qemu_get_be32(f
);
7070 env
->cp15
.c13_context
= qemu_get_be32(f
);
7071 env
->cp15
.c13_tls1
= qemu_get_be32(f
);
7072 env
->cp15
.c13_tls2
= qemu_get_be32(f
);
7073 env
->cp15
.c13_tls3
= qemu_get_be32(f
);
7074 env
->cp15
.c15_cpar
= qemu_get_be32(f
);
7076 env
->features
= qemu_get_be32(f
);
7078 if (arm_feature(env
, ARM_FEATURE_VFP
)) {
7079 for (i
= 0; i
< 16; i
++) {
7081 u
.l
.upper
= qemu_get_be32(f
);
7082 u
.l
.lower
= qemu_get_be32(f
);
7083 env
->vfp
.regs
[i
] = u
.d
;
7085 for (i
= 0; i
< 16; i
++) {
7086 env
->vfp
.xregs
[i
] = qemu_get_be32(f
);
7089 /* TODO: Should use proper FPSCR access functions. */
7090 env
->vfp
.vec_len
= qemu_get_be32(f
);
7091 env
->vfp
.vec_stride
= qemu_get_be32(f
);
7093 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
7094 for (i
= 0; i
< 16; i
++) {
7096 u
.l
.upper
= qemu_get_be32(f
);
7097 u
.l
.lower
= qemu_get_be32(f
);
7098 env
->vfp
.regs
[i
] = u
.d
;
7103 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
7104 for (i
= 0; i
< 16; i
++) {
7105 env
->iwmmxt
.regs
[i
] = qemu_get_be64(f
);
7107 for (i
= 0; i
< 16; i
++) {
7108 env
->iwmmxt
.cregs
[i
] = qemu_get_be32(f
);
7112 if (arm_feature(env
, ARM_FEATURE_M
)) {
7113 env
->v7m
.other_sp
= qemu_get_be32(f
);
7114 env
->v7m
.vecbase
= qemu_get_be32(f
);
7115 env
->v7m
.basepri
= qemu_get_be32(f
);
7116 env
->v7m
.control
= qemu_get_be32(f
);
7117 env
->v7m
.current_sp
= qemu_get_be32(f
);
7118 env
->v7m
.exception
= qemu_get_be32(f
);
7124 #elif defined(TARGET_IA64)
7125 void cpu_save(QEMUFile
*f
, void *opaque
)
7129 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
7135 //#warning No CPU save/restore functions
7139 /***********************************************************/
7140 /* ram save/restore */
7142 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
7146 v
= qemu_get_byte(f
);
7149 if (qemu_get_buffer(f
, buf
, len
) != len
)
7153 v
= qemu_get_byte(f
);
7154 memset(buf
, v
, len
);
7162 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
7166 if (qemu_get_be32(f
) != phys_ram_size
)
7168 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
7169 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
7171 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
7178 #define BDRV_HASH_BLOCK_SIZE 1024
7179 #define IOBUF_SIZE 4096
7180 #define RAM_CBLOCK_MAGIC 0xfabe
7182 typedef struct RamCompressState
{
7185 uint8_t buf
[IOBUF_SIZE
];
7188 static int ram_compress_open(RamCompressState
*s
, QEMUFile
*f
)
7191 memset(s
, 0, sizeof(*s
));
7193 ret
= deflateInit2(&s
->zstream
, 1,
7195 9, Z_DEFAULT_STRATEGY
);
7198 s
->zstream
.avail_out
= IOBUF_SIZE
;
7199 s
->zstream
.next_out
= s
->buf
;
7203 static void ram_put_cblock(RamCompressState
*s
, const uint8_t *buf
, int len
)
7205 qemu_put_be16(s
->f
, RAM_CBLOCK_MAGIC
);
7206 qemu_put_be16(s
->f
, len
);
7207 qemu_put_buffer(s
->f
, buf
, len
);
7210 static int ram_compress_buf(RamCompressState
*s
, const uint8_t *buf
, int len
)
7214 s
->zstream
.avail_in
= len
;
7215 s
->zstream
.next_in
= (uint8_t *)buf
;
7216 while (s
->zstream
.avail_in
> 0) {
7217 ret
= deflate(&s
->zstream
, Z_NO_FLUSH
);
7220 if (s
->zstream
.avail_out
== 0) {
7221 ram_put_cblock(s
, s
->buf
, IOBUF_SIZE
);
7222 s
->zstream
.avail_out
= IOBUF_SIZE
;
7223 s
->zstream
.next_out
= s
->buf
;
7229 static void ram_compress_close(RamCompressState
*s
)
7233 /* compress last bytes */
7235 ret
= deflate(&s
->zstream
, Z_FINISH
);
7236 if (ret
== Z_OK
|| ret
== Z_STREAM_END
) {
7237 len
= IOBUF_SIZE
- s
->zstream
.avail_out
;
7239 ram_put_cblock(s
, s
->buf
, len
);
7241 s
->zstream
.avail_out
= IOBUF_SIZE
;
7242 s
->zstream
.next_out
= s
->buf
;
7243 if (ret
== Z_STREAM_END
)
7250 deflateEnd(&s
->zstream
);
7253 typedef struct RamDecompressState
{
7256 uint8_t buf
[IOBUF_SIZE
];
7257 } RamDecompressState
;
7259 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
7262 memset(s
, 0, sizeof(*s
));
7264 ret
= inflateInit(&s
->zstream
);
7270 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
7274 s
->zstream
.avail_out
= len
;
7275 s
->zstream
.next_out
= buf
;
7276 while (s
->zstream
.avail_out
> 0) {
7277 if (s
->zstream
.avail_in
== 0) {
7278 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
7280 clen
= qemu_get_be16(s
->f
);
7281 if (clen
> IOBUF_SIZE
)
7283 qemu_get_buffer(s
->f
, s
->buf
, clen
);
7284 s
->zstream
.avail_in
= clen
;
7285 s
->zstream
.next_in
= s
->buf
;
7287 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
7288 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
7295 static void ram_decompress_close(RamDecompressState
*s
)
7297 inflateEnd(&s
->zstream
);
7300 static void ram_save_live(QEMUFile
*f
, void *opaque
)
7304 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
7305 if (kvm_enabled() && (addr
>=0xa0000) && (addr
<0xc0000)) /* do not access video-addresses */
7307 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
)) {
7308 qemu_put_be32(f
, addr
);
7309 qemu_put_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
7312 qemu_put_be32(f
, 1);
7315 static void ram_save_static(QEMUFile
*f
, void *opaque
)
7318 RamCompressState s1
, *s
= &s1
;
7321 qemu_put_be32(f
, phys_ram_size
);
7322 if (ram_compress_open(s
, f
) < 0)
7324 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
7325 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
7328 if (tight_savevm_enabled
) {
7332 /* find if the memory block is available on a virtual
7335 for(j
= 0; j
< nb_drives
; j
++) {
7336 sector_num
= bdrv_hash_find(drives_table
[j
].bdrv
,
7338 BDRV_HASH_BLOCK_SIZE
);
7339 if (sector_num
>= 0)
7343 goto normal_compress
;
7346 cpu_to_be64wu((uint64_t *)(buf
+ 2), sector_num
);
7347 ram_compress_buf(s
, buf
, 10);
7353 ram_compress_buf(s
, buf
, 1);
7354 ram_compress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
);
7357 ram_compress_close(s
);
7360 static void ram_save(QEMUFile
*f
, void *opaque
)
7362 int in_migration
= cpu_physical_memory_get_dirty_tracking();
7364 qemu_put_byte(f
, in_migration
);
7367 ram_save_live(f
, opaque
);
7369 ram_save_static(f
, opaque
);
7372 static int ram_load_live(QEMUFile
*f
, void *opaque
)
7377 addr
= qemu_get_be32(f
);
7381 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
7387 static int ram_load_static(QEMUFile
*f
, void *opaque
)
7389 RamDecompressState s1
, *s
= &s1
;
7393 if (qemu_get_be32(f
) != phys_ram_size
)
7395 if (ram_decompress_open(s
, f
) < 0)
7397 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
7398 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
7400 if (ram_decompress_buf(s
, buf
, 1) < 0) {
7401 fprintf(stderr
, "Error while reading ram block header\n");
7405 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
7406 fprintf(stderr
, "Error while reading ram block address=0x%08x", i
);
7415 ram_decompress_buf(s
, buf
+ 1, 9);
7417 sector_num
= be64_to_cpupu((const uint64_t *)(buf
+ 2));
7418 if (bs_index
>= nb_drives
) {
7419 fprintf(stderr
, "Invalid block device index %d\n", bs_index
);
7422 if (bdrv_read(drives_table
[bs_index
].bdrv
, sector_num
,
7424 BDRV_HASH_BLOCK_SIZE
/ 512) < 0) {
7425 fprintf(stderr
, "Error while reading sector %d:%" PRId64
"\n",
7426 bs_index
, sector_num
);
7433 printf("Error block header\n");
7437 ram_decompress_close(s
);
7441 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
7445 switch (version_id
) {
7447 ret
= ram_load_v1(f
, opaque
);
7450 if (qemu_get_byte(f
)) {
7451 ret
= ram_load_live(f
, opaque
);
7455 ret
= ram_load_static(f
, opaque
);
7465 /***********************************************************/
7466 /* bottom halves (can be seen as timers which expire ASAP) */
7475 static QEMUBH
*first_bh
= NULL
;
7477 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
7480 bh
= qemu_mallocz(sizeof(QEMUBH
));
7484 bh
->opaque
= opaque
;
7488 int qemu_bh_poll(void)
7507 void qemu_bh_schedule(QEMUBH
*bh
)
7509 CPUState
*env
= cpu_single_env
;
7513 bh
->next
= first_bh
;
7516 /* stop the currently executing CPU to execute the BH ASAP */
7518 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
7522 void qemu_bh_cancel(QEMUBH
*bh
)
7525 if (bh
->scheduled
) {
7528 pbh
= &(*pbh
)->next
;
7534 void qemu_bh_delete(QEMUBH
*bh
)
7540 /***********************************************************/
7541 /* machine registration */
7543 QEMUMachine
*first_machine
= NULL
;
7545 int qemu_register_machine(QEMUMachine
*m
)
7548 pm
= &first_machine
;
7556 static QEMUMachine
*find_machine(const char *name
)
7560 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
7561 if (!strcmp(m
->name
, name
))
7567 /***********************************************************/
7568 /* main execution loop */
7570 static void gui_update(void *opaque
)
7572 DisplayState
*ds
= opaque
;
7573 ds
->dpy_refresh(ds
);
7574 qemu_mod_timer(ds
->gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
7577 struct vm_change_state_entry
{
7578 VMChangeStateHandler
*cb
;
7580 LIST_ENTRY (vm_change_state_entry
) entries
;
7583 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
7585 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
7588 VMChangeStateEntry
*e
;
7590 e
= qemu_mallocz(sizeof (*e
));
7596 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
7600 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
7602 LIST_REMOVE (e
, entries
);
7606 static void vm_state_notify(int running
)
7608 VMChangeStateEntry
*e
;
7610 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
7611 e
->cb(e
->opaque
, running
);
7615 /* XXX: support several handlers */
7616 static VMStopHandler
*vm_stop_cb
;
7617 static void *vm_stop_opaque
;
7619 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7622 vm_stop_opaque
= opaque
;
7626 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7637 qemu_rearm_alarm_timer(alarm_timer
);
7641 void vm_stop(int reason
)
7644 cpu_disable_ticks();
7648 vm_stop_cb(vm_stop_opaque
, reason
);
7655 /* reset/shutdown handler */
7657 typedef struct QEMUResetEntry
{
7658 QEMUResetHandler
*func
;
7660 struct QEMUResetEntry
*next
;
7663 static QEMUResetEntry
*first_reset_entry
;
7664 static int reset_requested
;
7665 static int shutdown_requested
;
7666 static int powerdown_requested
;
7668 int qemu_shutdown_requested(void)
7670 int r
= shutdown_requested
;
7671 shutdown_requested
= 0;
7675 int qemu_reset_requested(void)
7677 int r
= reset_requested
;
7678 reset_requested
= 0;
7682 int qemu_powerdown_requested(void)
7684 int r
= powerdown_requested
;
7685 powerdown_requested
= 0;
7689 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
7691 QEMUResetEntry
**pre
, *re
;
7693 pre
= &first_reset_entry
;
7694 while (*pre
!= NULL
)
7695 pre
= &(*pre
)->next
;
7696 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
7698 re
->opaque
= opaque
;
7703 void qemu_system_reset(void)
7707 /* reset all devices */
7708 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
7709 re
->func(re
->opaque
);
7713 void qemu_system_reset_request(void)
7716 shutdown_requested
= 1;
7718 reset_requested
= 1;
7721 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7724 void qemu_system_shutdown_request(void)
7726 shutdown_requested
= 1;
7728 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7731 void qemu_system_powerdown_request(void)
7733 powerdown_requested
= 1;
7735 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7738 void main_loop_wait(int timeout
)
7740 IOHandlerRecord
*ioh
;
7741 fd_set rfds
, wfds
, xfds
;
7750 /* XXX: need to suppress polling by better using win32 events */
7752 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
7753 ret
|= pe
->func(pe
->opaque
);
7758 WaitObjects
*w
= &wait_objects
;
7760 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, timeout
);
7761 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
7762 if (w
->func
[ret
- WAIT_OBJECT_0
])
7763 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
7765 /* Check for additional signaled events */
7766 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
7768 /* Check if event is signaled */
7769 ret2
= WaitForSingleObject(w
->events
[i
], 0);
7770 if(ret2
== WAIT_OBJECT_0
) {
7772 w
->func
[i
](w
->opaque
[i
]);
7773 } else if (ret2
== WAIT_TIMEOUT
) {
7775 err
= GetLastError();
7776 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
7779 } else if (ret
== WAIT_TIMEOUT
) {
7781 err
= GetLastError();
7782 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
7786 /* poll any events */
7787 /* XXX: separate device handlers from system ones */
7792 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7796 (!ioh
->fd_read_poll
||
7797 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
7798 FD_SET(ioh
->fd
, &rfds
);
7802 if (ioh
->fd_write
) {
7803 FD_SET(ioh
->fd
, &wfds
);
7813 tv
.tv_usec
= timeout
* 1000;
7815 #if defined(CONFIG_SLIRP)
7817 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
7821 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
7823 IOHandlerRecord
**pioh
;
7826 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7827 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
7828 ioh
->fd_read(ioh
->opaque
);
7829 if (!ioh
->fd_read_poll
|| ioh
->fd_read_poll(ioh
->opaque
))
7832 FD_CLR(ioh
->fd
, &rfds
);
7834 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
7835 ioh
->fd_write(ioh
->opaque
);
7840 /* remove deleted IO handlers */
7841 pioh
= &first_io_handler
;
7853 #if defined(CONFIG_SLIRP)
7860 slirp_select_poll(&rfds
, &wfds
, &xfds
);
7868 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
7869 qemu_get_clock(vm_clock
));
7870 /* run dma transfers, if any */
7874 /* real time timers */
7875 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
7876 qemu_get_clock(rt_clock
));
7878 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
7879 alarm_timer
->flags
&= ~(ALARM_FLAG_EXPIRED
);
7880 qemu_rearm_alarm_timer(alarm_timer
);
7883 /* Check bottom-halves last in case any of the earlier events triggered
7889 static int main_loop(void)
7892 #ifdef CONFIG_PROFILER
7898 if (kvm_enabled()) {
7900 cpu_disable_ticks();
7904 cur_cpu
= first_cpu
;
7905 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
7912 #ifdef CONFIG_PROFILER
7913 ti
= profile_getclock();
7915 ret
= cpu_exec(env
);
7916 #ifdef CONFIG_PROFILER
7917 qemu_time
+= profile_getclock() - ti
;
7919 next_cpu
= env
->next_cpu
?: first_cpu
;
7920 if (event_pending
) {
7921 ret
= EXCP_INTERRUPT
;
7925 if (ret
== EXCP_HLT
) {
7926 /* Give the next CPU a chance to run. */
7930 if (ret
!= EXCP_HALTED
)
7932 /* all CPUs are halted ? */
7938 if (shutdown_requested
) {
7939 ret
= EXCP_INTERRUPT
;
7942 if (reset_requested
) {
7943 reset_requested
= 0;
7944 qemu_system_reset();
7946 kvm_load_registers(env
);
7947 ret
= EXCP_INTERRUPT
;
7949 if (powerdown_requested
) {
7950 powerdown_requested
= 0;
7951 qemu_system_powerdown();
7952 ret
= EXCP_INTERRUPT
;
7954 if (ret
== EXCP_DEBUG
) {
7955 vm_stop(EXCP_DEBUG
);
7957 /* If all cpus are halted then wait until the next IRQ */
7958 /* XXX: use timeout computed from timers */
7959 if (ret
== EXCP_HALTED
)
7966 #ifdef CONFIG_PROFILER
7967 ti
= profile_getclock();
7969 main_loop_wait(timeout
);
7970 #ifdef CONFIG_PROFILER
7971 dev_time
+= profile_getclock() - ti
;
7974 cpu_disable_ticks();
7978 static void help(int exitcode
)
7980 printf("QEMU PC emulator version " QEMU_VERSION
" (" KVM_VERSION
")"
7981 ", Copyright (c) 2003-2008 Fabrice Bellard\n"
7982 "usage: %s [options] [disk_image]\n"
7984 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
7986 "Standard options:\n"
7987 "-M machine select emulated machine (-M ? for list)\n"
7988 "-cpu cpu select CPU (-cpu ? for list)\n"
7989 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
7990 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
7991 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
7992 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
7993 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][index=i]\n"
7994 " [,cyls=c,heads=h,secs=s[,trans=t]][snapshot=on|off]\n"
7995 " [,cache=on|off][,boot=on|off]\n"
7996 " use 'file' as a drive image\n"
7997 "-mtdblock file use 'file' as on-board Flash memory image\n"
7998 "-sd file use 'file' as SecureDigital card image\n"
7999 "-pflash file use 'file' as a parallel flash image\n"
8000 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
8001 "-snapshot write to temporary files instead of disk image files\n"
8003 "-no-frame open SDL window without a frame and window decorations\n"
8004 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
8005 "-no-quit disable SDL window close capability\n"
8008 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
8010 "-m megs set virtual RAM size to megs MB [default=%d]\n"
8011 "-smp n set the number of CPUs to 'n' [default=1]\n"
8012 "-nographic disable graphical output and redirect serial I/Os to console\n"
8013 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
8015 "-k language use keyboard layout (for example \"fr\" for French)\n"
8018 "-audio-help print list of audio drivers and their options\n"
8019 "-soundhw c1,... enable audio support\n"
8020 " and only specified sound cards (comma separated list)\n"
8021 " use -soundhw ? to get the list of supported cards\n"
8022 " use -soundhw all to enable all of them\n"
8024 "-localtime set the real time clock to local time [default=utc]\n"
8025 "-full-screen start in full screen\n"
8027 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
8029 "-usb enable the USB driver (will be the default soon)\n"
8030 "-usbdevice name add the host or guest USB device 'name'\n"
8031 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8032 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
8034 "-name string set the name of the guest\n"
8036 "Network options:\n"
8037 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
8038 " create a new Network Interface Card and connect it to VLAN 'n'\n"
8040 "-net user[,vlan=n][,hostname=host]\n"
8041 " connect the user mode network stack to VLAN 'n' and send\n"
8042 " hostname 'host' to DHCP clients\n"
8045 "-net tap[,vlan=n],ifname=name\n"
8046 " connect the host TAP network interface to VLAN 'n'\n"
8048 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
8049 " connect the host TAP network interface to VLAN 'n' and use the\n"
8050 " network scripts 'file' (default=%s)\n"
8051 " and 'dfile' (default=%s);\n"
8052 " use '[down]script=no' to disable script execution;\n"
8053 " use 'fd=h' to connect to an already opened TAP interface\n"
8055 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
8056 " connect the vlan 'n' to another VLAN using a socket connection\n"
8057 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
8058 " connect the vlan 'n' to multicast maddr and port\n"
8059 "-net none use it alone to have zero network devices; if no -net option\n"
8060 " is provided, the default is '-net nic -net user'\n"
8063 "-tftp dir allow tftp access to files in dir [-net user]\n"
8064 "-bootp file advertise file in BOOTP replies\n"
8066 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
8068 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
8069 " redirect TCP or UDP connections from host to guest [-net user]\n"
8072 "Linux boot specific:\n"
8073 "-kernel bzImage use 'bzImage' as kernel image\n"
8074 "-append cmdline use 'cmdline' as kernel command line\n"
8075 "-initrd file use 'file' as initial ram disk\n"
8077 "Debug/Expert options:\n"
8078 "-monitor dev redirect the monitor to char device 'dev'\n"
8079 "-vmchannel di:DI,dev redirect the hypercall device with device id DI, to char device 'dev'\n"
8080 "-balloon dev redirect the balloon hypercall device to char device 'dev'\n"
8081 "-serial dev redirect the serial port to char device 'dev'\n"
8082 "-parallel dev redirect the parallel port to char device 'dev'\n"
8083 "-pidfile file Write PID to 'file'\n"
8084 "-S freeze CPU at startup (use 'c' to start execution)\n"
8085 "-s wait gdb connection to port\n"
8086 "-p port set gdb connection port [default=%s]\n"
8087 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
8088 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
8089 " translation (t=none or lba) (usually qemu can guess them)\n"
8090 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
8092 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
8093 "-no-kqemu disable KQEMU kernel module usage\n"
8096 #ifndef NO_CPU_EMULATION
8097 "-no-kvm disable KVM hardware virtualization\n"
8099 "-no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC\n"
8100 "-no-kvm-pit disable KVM kernel mode PIT\n"
8103 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
8104 " (default is CL-GD5446 PCI VGA)\n"
8105 "-no-acpi disable ACPI\n"
8107 #ifdef CONFIG_CURSES
8108 "-curses use a curses/ncurses interface instead of SDL\n"
8110 "-no-reboot exit instead of rebooting\n"
8111 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
8112 "-vnc display start a VNC server on display\n"
8114 "-daemonize daemonize QEMU after initializing\n"
8116 "-tdf inject timer interrupts that got lost\n"
8117 "-kvm-shadow-memory megs set the amount of shadow pages to be allocated\n"
8118 "-mem-path set the path to hugetlbfs/tmpfs mounted directory, also enables allocation of guest memory with huge pages\n"
8119 "-option-rom rom load a file, rom, into the option ROM space\n"
8121 "-prom-env variable=value set OpenBIOS nvram variables\n"
8123 "-clock force the use of the given methods for timer alarm.\n"
8124 " To see what timers are available use -clock help\n"
8125 "-startdate select initial date of the clock\n"
8127 "During emulation, the following keys are useful:\n"
8128 "ctrl-alt-f toggle full screen\n"
8129 "ctrl-alt-n switch to virtual console 'n'\n"
8130 "ctrl-alt toggle mouse and keyboard grab\n"
8132 "When using -nographic, press 'ctrl-a h' to get some help.\n"
8137 DEFAULT_NETWORK_SCRIPT
,
8138 DEFAULT_NETWORK_DOWN_SCRIPT
,
8140 DEFAULT_GDBSTUB_PORT
,
8145 #define HAS_ARG 0x0001
8160 QEMU_OPTION_mtdblock
,
8164 QEMU_OPTION_snapshot
,
8166 QEMU_OPTION_no_fd_bootchk
,
8169 QEMU_OPTION_nographic
,
8170 QEMU_OPTION_portrait
,
8172 QEMU_OPTION_audio_help
,
8173 QEMU_OPTION_soundhw
,
8193 QEMU_OPTION_no_code_copy
,
8195 QEMU_OPTION_localtime
,
8196 QEMU_OPTION_cirrusvga
,
8199 QEMU_OPTION_std_vga
,
8201 QEMU_OPTION_monitor
,
8202 QEMU_OPTION_balloon
,
8203 QEMU_OPTION_vmchannel
,
8205 QEMU_OPTION_parallel
,
8207 QEMU_OPTION_full_screen
,
8208 QEMU_OPTION_no_frame
,
8209 QEMU_OPTION_alt_grab
,
8210 QEMU_OPTION_no_quit
,
8211 QEMU_OPTION_pidfile
,
8212 QEMU_OPTION_no_kqemu
,
8213 QEMU_OPTION_kernel_kqemu
,
8214 QEMU_OPTION_win2k_hack
,
8216 QEMU_OPTION_usbdevice
,
8219 QEMU_OPTION_no_acpi
,
8222 QEMU_OPTION_no_kvm_irqchip
,
8223 QEMU_OPTION_no_kvm_pit
,
8224 QEMU_OPTION_no_reboot
,
8225 QEMU_OPTION_show_cursor
,
8226 QEMU_OPTION_daemonize
,
8227 QEMU_OPTION_option_rom
,
8228 QEMU_OPTION_semihosting
,
8229 QEMU_OPTION_cpu_vendor
,
8231 QEMU_OPTION_prom_env
,
8232 QEMU_OPTION_old_param
,
8234 QEMU_OPTION_startdate
,
8235 QEMU_OPTION_translation
,
8236 QEMU_OPTION_incoming
,
8238 QEMU_OPTION_kvm_shadow_memory
,
8239 QEMU_OPTION_mempath
,
8242 typedef struct QEMUOption
{
8248 const QEMUOption qemu_options
[] = {
8249 { "h", 0, QEMU_OPTION_h
},
8250 { "help", 0, QEMU_OPTION_h
},
8252 { "M", HAS_ARG
, QEMU_OPTION_M
},
8253 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
8254 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
8255 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
8256 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
8257 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
8258 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
8259 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
8260 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
8261 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
8262 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
8263 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
8264 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
8265 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
8266 { "snapshot", 0, QEMU_OPTION_snapshot
},
8268 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
8270 { "m", HAS_ARG
, QEMU_OPTION_m
},
8271 { "nographic", 0, QEMU_OPTION_nographic
},
8272 { "portrait", 0, QEMU_OPTION_portrait
},
8273 { "k", HAS_ARG
, QEMU_OPTION_k
},
8275 { "audio-help", 0, QEMU_OPTION_audio_help
},
8276 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
8279 { "net", HAS_ARG
, QEMU_OPTION_net
},
8281 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
8282 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
8284 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
8286 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
8289 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
8290 { "append", HAS_ARG
, QEMU_OPTION_append
},
8291 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
8293 { "S", 0, QEMU_OPTION_S
},
8294 { "s", 0, QEMU_OPTION_s
},
8295 { "p", HAS_ARG
, QEMU_OPTION_p
},
8296 { "d", HAS_ARG
, QEMU_OPTION_d
},
8297 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
8298 { "L", HAS_ARG
, QEMU_OPTION_L
},
8299 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
8300 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
8302 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
8303 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
8306 #ifndef NO_CPU_EMULATION
8307 { "no-kvm", 0, QEMU_OPTION_no_kvm
},
8309 { "no-kvm-irqchip", 0, QEMU_OPTION_no_kvm_irqchip
},
8310 { "no-kvm-pit", 0, QEMU_OPTION_no_kvm_pit
},
8312 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8313 { "g", 1, QEMU_OPTION_g
},
8315 { "localtime", 0, QEMU_OPTION_localtime
},
8316 { "std-vga", 0, QEMU_OPTION_std_vga
},
8317 { "monitor", 1, QEMU_OPTION_monitor
},
8318 { "balloon", 1, QEMU_OPTION_balloon
},
8319 { "vmchannel", 1, QEMU_OPTION_vmchannel
},
8320 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
8321 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
8322 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
8323 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
8324 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
8325 { "incoming", 1, QEMU_OPTION_incoming
},
8326 { "full-screen", 0, QEMU_OPTION_full_screen
},
8328 { "no-frame", 0, QEMU_OPTION_no_frame
},
8329 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
8330 { "no-quit", 0, QEMU_OPTION_no_quit
},
8332 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
8333 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
8334 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
8335 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
8336 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
8337 #ifdef CONFIG_CURSES
8338 { "curses", 0, QEMU_OPTION_curses
},
8341 /* temporary options */
8342 { "usb", 0, QEMU_OPTION_usb
},
8343 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
8344 { "vmwarevga", 0, QEMU_OPTION_vmsvga
},
8345 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
8346 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
8347 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
8348 { "daemonize", 0, QEMU_OPTION_daemonize
},
8349 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
8350 #if defined(TARGET_ARM) || defined(TARGET_M68K)
8351 { "semihosting", 0, QEMU_OPTION_semihosting
},
8353 { "tdf", 0, QEMU_OPTION_tdf
}, /* enable time drift fix */
8354 { "kvm-shadow-memory", HAS_ARG
, QEMU_OPTION_kvm_shadow_memory
},
8355 { "name", HAS_ARG
, QEMU_OPTION_name
},
8356 #if defined(TARGET_SPARC)
8357 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
8359 { "cpu-vendor", HAS_ARG
, QEMU_OPTION_cpu_vendor
},
8360 #if defined(TARGET_ARM)
8361 { "old-param", 0, QEMU_OPTION_old_param
},
8363 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
8364 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
8365 { "mem-path", HAS_ARG
, QEMU_OPTION_mempath
},
8369 /* password input */
8371 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
8376 if (!bdrv_is_encrypted(bs
))
8379 term_printf("%s is encrypted.\n", name
);
8380 for(i
= 0; i
< 3; i
++) {
8381 monitor_readline("Password: ", 1, password
, sizeof(password
));
8382 if (bdrv_set_key(bs
, password
) == 0)
8384 term_printf("invalid password\n");
8389 static BlockDriverState
*get_bdrv(int index
)
8391 if (index
> nb_drives
)
8393 return drives_table
[index
].bdrv
;
8396 static void read_passwords(void)
8398 BlockDriverState
*bs
;
8401 for(i
= 0; i
< 6; i
++) {
8404 qemu_key_check(bs
, bdrv_get_device_name(bs
));
8408 /* XXX: currently we cannot use simultaneously different CPUs */
8409 static void register_machines(void)
8411 #if defined(TARGET_I386)
8412 qemu_register_machine(&pc_machine
);
8413 qemu_register_machine(&isapc_machine
);
8414 #elif defined(TARGET_PPC)
8415 qemu_register_machine(&heathrow_machine
);
8416 qemu_register_machine(&core99_machine
);
8417 qemu_register_machine(&prep_machine
);
8418 qemu_register_machine(&ref405ep_machine
);
8419 qemu_register_machine(&taihu_machine
);
8420 qemu_register_machine(&bamboo_machine
);
8421 #elif defined(TARGET_MIPS)
8422 qemu_register_machine(&mips_machine
);
8423 qemu_register_machine(&mips_malta_machine
);
8424 qemu_register_machine(&mips_pica61_machine
);
8425 qemu_register_machine(&mips_mipssim_machine
);
8426 #elif defined(TARGET_SPARC)
8427 #ifdef TARGET_SPARC64
8428 qemu_register_machine(&sun4u_machine
);
8430 qemu_register_machine(&ss5_machine
);
8431 qemu_register_machine(&ss10_machine
);
8432 qemu_register_machine(&ss600mp_machine
);
8433 qemu_register_machine(&ss20_machine
);
8434 qemu_register_machine(&ss2_machine
);
8435 qemu_register_machine(&ss1000_machine
);
8436 qemu_register_machine(&ss2000_machine
);
8438 #elif defined(TARGET_ARM)
8439 qemu_register_machine(&integratorcp_machine
);
8440 qemu_register_machine(&versatilepb_machine
);
8441 qemu_register_machine(&versatileab_machine
);
8442 qemu_register_machine(&realview_machine
);
8443 qemu_register_machine(&akitapda_machine
);
8444 qemu_register_machine(&spitzpda_machine
);
8445 qemu_register_machine(&borzoipda_machine
);
8446 qemu_register_machine(&terrierpda_machine
);
8447 qemu_register_machine(&palmte_machine
);
8448 qemu_register_machine(&lm3s811evb_machine
);
8449 qemu_register_machine(&lm3s6965evb_machine
);
8450 qemu_register_machine(&connex_machine
);
8451 qemu_register_machine(&verdex_machine
);
8452 qemu_register_machine(&mainstone2_machine
);
8453 #elif defined(TARGET_SH4)
8454 qemu_register_machine(&shix_machine
);
8455 qemu_register_machine(&r2d_machine
);
8456 #elif defined(TARGET_ALPHA)
8458 #elif defined(TARGET_M68K)
8459 qemu_register_machine(&mcf5208evb_machine
);
8460 qemu_register_machine(&an5206_machine
);
8461 qemu_register_machine(&dummy_m68k_machine
);
8462 #elif defined(TARGET_CRIS)
8463 qemu_register_machine(&bareetraxfs_machine
);
8464 #elif defined(TARGET_IA64)
8465 qemu_register_machine(&ipf_machine
);
8467 #error unsupported CPU
8472 struct soundhw soundhw
[] = {
8473 #ifdef HAS_AUDIO_CHOICE
8480 { .init_isa
= pcspk_audio_init
}
8485 "Creative Sound Blaster 16",
8488 { .init_isa
= SB16_init
}
8495 "Yamaha YMF262 (OPL3)",
8497 "Yamaha YM3812 (OPL2)",
8501 { .init_isa
= Adlib_init
}
8508 "Gravis Ultrasound GF1",
8511 { .init_isa
= GUS_init
}
8518 "Intel 82801AA AC97 Audio",
8521 { .init_pci
= ac97_init
}
8527 "ENSONIQ AudioPCI ES1370",
8530 { .init_pci
= es1370_init
}
8534 { NULL
, NULL
, 0, 0, { NULL
} }
8537 static void select_soundhw (const char *optarg
)
8541 if (*optarg
== '?') {
8544 printf ("Valid sound card names (comma separated):\n");
8545 for (c
= soundhw
; c
->name
; ++c
) {
8546 printf ("%-11s %s\n", c
->name
, c
->descr
);
8548 printf ("\n-soundhw all will enable all of the above\n");
8549 exit (*optarg
!= '?');
8557 if (!strcmp (optarg
, "all")) {
8558 for (c
= soundhw
; c
->name
; ++c
) {
8566 e
= strchr (p
, ',');
8567 l
= !e
? strlen (p
) : (size_t) (e
- p
);
8569 for (c
= soundhw
; c
->name
; ++c
) {
8570 if (!strncmp (c
->name
, p
, l
)) {
8579 "Unknown sound card name (too big to show)\n");
8582 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
8587 p
+= l
+ (e
!= NULL
);
8591 goto show_valid_cards
;
8597 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
8599 exit(STATUS_CONTROL_C_EXIT
);
8604 #define MAX_NET_CLIENTS 32
8606 static int saved_argc
;
8607 static char **saved_argv
;
8609 void qemu_get_launch_info(int *argc
, char ***argv
, int *opt_daemonize
, const char **opt_incoming
)
8613 *opt_daemonize
= daemonize
;
8614 *opt_incoming
= incoming
;
8618 static int gethugepagesize(void)
8622 char *needle
= "Hugepagesize:";
8624 unsigned long hugepagesize
;
8626 fd
= open("/proc/meminfo", O_RDONLY
);
8632 ret
= read(fd
, buf
, sizeof(buf
));
8638 size
= strstr(buf
, needle
);
8641 size
+= strlen(needle
);
8642 hugepagesize
= strtol(size
, NULL
, 0);
8643 return hugepagesize
;
8646 void *alloc_mem_area(unsigned long memory
, const char *path
)
8652 if (asprintf(&filename
, "%s/kvm.XXXXXX", path
) == -1)
8655 hpagesize
= gethugepagesize() * 1024;
8659 fd
= mkstemp(filename
);
8668 memory
= (memory
+hpagesize
-1) & ~(hpagesize
-1);
8670 if (ftruncate(fd
, memory
) == -1) {
8671 perror("ftruncate");
8676 area
= mmap(0, memory
, PROT_READ
|PROT_WRITE
, MAP_PRIVATE
, fd
, 0);
8677 if (area
== MAP_FAILED
) {
8686 void *qemu_alloc_physram(unsigned long memory
)
8691 area
= alloc_mem_area(memory
, mem_path
);
8693 area
= qemu_vmalloc(memory
);
8698 int main(int argc
, char **argv
)
8700 #ifdef CONFIG_GDBSTUB
8702 const char *gdbstub_port
;
8704 uint32_t boot_devices_bitmap
= 0;
8706 int snapshot
, linux_boot
, net_boot
;
8707 const char *initrd_filename
;
8708 const char *kernel_filename
, *kernel_cmdline
;
8709 const char *boot_devices
= "";
8710 DisplayState
*ds
= &display_state
;
8711 int cyls
, heads
, secs
, translation
;
8712 char net_clients
[MAX_NET_CLIENTS
][256];
8716 const char *r
, *optarg
;
8717 CharDriverState
*monitor_hd
;
8718 char monitor_device
[128];
8719 char vmchannel_devices
[MAX_VMCHANNEL_DEVICES
][128];
8720 int vmchannel_device_index
;
8721 char serial_devices
[MAX_SERIAL_PORTS
][128];
8722 int serial_device_index
;
8723 char parallel_devices
[MAX_PARALLEL_PORTS
][128];
8724 int parallel_device_index
;
8725 const char *loadvm
= NULL
;
8726 QEMUMachine
*machine
;
8727 const char *cpu_model
;
8728 char usb_devices
[MAX_USB_CMDLINE
][128];
8729 int usb_devices_index
;
8731 const char *pid_file
= NULL
;
8737 LIST_INIT (&vm_change_state_head
);
8740 struct sigaction act
;
8741 sigfillset(&act
.sa_mask
);
8743 act
.sa_handler
= SIG_IGN
;
8744 sigaction(SIGPIPE
, &act
, NULL
);
8747 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
8748 /* Note: cpu_interrupt() is currently not SMP safe, so we force
8749 QEMU to run on a single CPU */
8754 h
= GetCurrentProcess();
8755 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
8756 for(i
= 0; i
< 32; i
++) {
8757 if (mask
& (1 << i
))
8762 SetProcessAffinityMask(h
, mask
);
8768 register_machines();
8769 machine
= first_machine
;
8771 initrd_filename
= NULL
;
8772 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
8773 vga_ram_size
= VGA_RAM_SIZE
;
8774 #ifdef CONFIG_GDBSTUB
8776 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
8781 kernel_filename
= NULL
;
8782 kernel_cmdline
= "";
8783 cyls
= heads
= secs
= 0;
8784 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8785 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
8787 for(i
= 0; i
< MAX_VMCHANNEL_DEVICES
; i
++)
8788 vmchannel_devices
[i
][0] = '\0';
8789 vmchannel_device_index
= 0;
8791 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
8792 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
8793 serial_devices
[i
][0] = '\0';
8794 serial_device_index
= 0;
8796 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "vc");
8797 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
8798 parallel_devices
[i
][0] = '\0';
8799 parallel_device_index
= 0;
8801 usb_devices_index
= 0;
8809 /* default mac address of the first network interface */
8817 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
8819 const QEMUOption
*popt
;
8822 /* Treat --foo the same as -foo. */
8825 popt
= qemu_options
;
8828 fprintf(stderr
, "%s: invalid option -- '%s'\n",
8832 if (!strcmp(popt
->name
, r
+ 1))
8836 if (popt
->flags
& HAS_ARG
) {
8837 if (optind
>= argc
) {
8838 fprintf(stderr
, "%s: option '%s' requires an argument\n",
8842 optarg
= argv
[optind
++];
8847 switch(popt
->index
) {
8849 machine
= find_machine(optarg
);
8852 printf("Supported machines are:\n");
8853 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
8854 printf("%-10s %s%s\n",
8856 m
== first_machine
? " (default)" : "");
8858 exit(*optarg
!= '?');
8861 case QEMU_OPTION_cpu
:
8862 /* hw initialization will check this */
8863 if (*optarg
== '?') {
8864 /* XXX: implement xxx_cpu_list for targets that still miss it */
8865 #if defined(cpu_list)
8866 cpu_list(stdout
, &fprintf
);
8873 case QEMU_OPTION_initrd
:
8874 initrd_filename
= optarg
;
8876 case QEMU_OPTION_hda
:
8878 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
8880 hda_index
= drive_add(optarg
, HD_ALIAS
8881 ",cyls=%d,heads=%d,secs=%d%s",
8882 0, cyls
, heads
, secs
,
8883 translation
== BIOS_ATA_TRANSLATION_LBA
?
8885 translation
== BIOS_ATA_TRANSLATION_NONE
?
8886 ",trans=none" : "");
8888 case QEMU_OPTION_hdb
:
8889 case QEMU_OPTION_hdc
:
8890 case QEMU_OPTION_hdd
:
8891 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
8893 case QEMU_OPTION_drive
:
8894 drive_add(NULL
, "%s", optarg
);
8896 case QEMU_OPTION_mtdblock
:
8897 drive_add(optarg
, MTD_ALIAS
);
8899 case QEMU_OPTION_sd
:
8900 drive_add(optarg
, SD_ALIAS
);
8902 case QEMU_OPTION_pflash
:
8903 drive_add(optarg
, PFLASH_ALIAS
);
8905 case QEMU_OPTION_snapshot
:
8908 case QEMU_OPTION_hdachs
:
8912 cyls
= strtol(p
, (char **)&p
, 0);
8913 if (cyls
< 1 || cyls
> 16383)
8918 heads
= strtol(p
, (char **)&p
, 0);
8919 if (heads
< 1 || heads
> 16)
8924 secs
= strtol(p
, (char **)&p
, 0);
8925 if (secs
< 1 || secs
> 63)
8929 if (!strcmp(p
, "none"))
8930 translation
= BIOS_ATA_TRANSLATION_NONE
;
8931 else if (!strcmp(p
, "lba"))
8932 translation
= BIOS_ATA_TRANSLATION_LBA
;
8933 else if (!strcmp(p
, "auto"))
8934 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8937 } else if (*p
!= '\0') {
8939 fprintf(stderr
, "qemu: invalid physical CHS format\n");
8942 if (hda_index
!= -1)
8943 snprintf(drives_opt
[hda_index
].opt
,
8944 sizeof(drives_opt
[hda_index
].opt
),
8945 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
8946 0, cyls
, heads
, secs
,
8947 translation
== BIOS_ATA_TRANSLATION_LBA
?
8949 translation
== BIOS_ATA_TRANSLATION_NONE
?
8950 ",trans=none" : "");
8953 case QEMU_OPTION_nographic
:
8954 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
8955 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "null");
8956 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
8959 #ifdef CONFIG_CURSES
8960 case QEMU_OPTION_curses
:
8964 case QEMU_OPTION_portrait
:
8967 case QEMU_OPTION_kernel
:
8968 kernel_filename
= optarg
;
8970 case QEMU_OPTION_append
:
8971 kernel_cmdline
= optarg
;
8973 case QEMU_OPTION_cdrom
:
8974 drive_add(optarg
, CDROM_ALIAS
);
8976 case QEMU_OPTION_boot
:
8977 boot_devices
= optarg
;
8978 /* We just do some generic consistency checks */
8980 /* Could easily be extended to 64 devices if needed */
8983 boot_devices_bitmap
= 0;
8984 for (p
= boot_devices
; *p
!= '\0'; p
++) {
8985 /* Allowed boot devices are:
8986 * a b : floppy disk drives
8987 * c ... f : IDE disk drives
8988 * g ... m : machine implementation dependant drives
8989 * n ... p : network devices
8990 * It's up to each machine implementation to check
8991 * if the given boot devices match the actual hardware
8992 * implementation and firmware features.
8994 if (*p
< 'a' || *p
> 'q') {
8995 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
8998 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
9000 "Boot device '%c' was given twice\n",*p
);
9003 boot_devices_bitmap
|= 1 << (*p
- 'a');
9007 case QEMU_OPTION_fda
:
9008 case QEMU_OPTION_fdb
:
9009 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
9012 case QEMU_OPTION_no_fd_bootchk
:
9016 case QEMU_OPTION_no_code_copy
:
9017 code_copy_enabled
= 0;
9019 case QEMU_OPTION_net
:
9020 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
9021 fprintf(stderr
, "qemu: too many network clients\n");
9024 pstrcpy(net_clients
[nb_net_clients
],
9025 sizeof(net_clients
[0]),
9030 case QEMU_OPTION_tftp
:
9031 tftp_prefix
= optarg
;
9033 case QEMU_OPTION_bootp
:
9034 bootp_filename
= optarg
;
9037 case QEMU_OPTION_smb
:
9038 net_slirp_smb(optarg
);
9041 case QEMU_OPTION_redir
:
9042 net_slirp_redir(optarg
);
9046 case QEMU_OPTION_audio_help
:
9050 case QEMU_OPTION_soundhw
:
9051 select_soundhw (optarg
);
9058 ram_size
= (int64_t)atoi(optarg
) * 1024 * 1024;
9061 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
9062 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
9063 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
9072 mask
= cpu_str_to_log_mask(optarg
);
9074 printf("Log items (comma separated):\n");
9075 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
9076 printf("%-10s %s\n", item
->name
, item
->help
);
9083 #ifdef CONFIG_GDBSTUB
9088 gdbstub_port
= optarg
;
9094 case QEMU_OPTION_bios
:
9101 keyboard_layout
= optarg
;
9103 case QEMU_OPTION_localtime
:
9106 case QEMU_OPTION_cirrusvga
:
9107 cirrus_vga_enabled
= 1;
9110 case QEMU_OPTION_vmsvga
:
9111 cirrus_vga_enabled
= 0;
9114 case QEMU_OPTION_std_vga
:
9115 cirrus_vga_enabled
= 0;
9123 w
= strtol(p
, (char **)&p
, 10);
9126 fprintf(stderr
, "qemu: invalid resolution or depth\n");
9132 h
= strtol(p
, (char **)&p
, 10);
9137 depth
= strtol(p
, (char **)&p
, 10);
9138 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
9139 depth
!= 24 && depth
!= 32)
9141 } else if (*p
== '\0') {
9142 depth
= graphic_depth
;
9149 graphic_depth
= depth
;
9152 case QEMU_OPTION_echr
:
9155 term_escape_char
= strtol(optarg
, &r
, 0);
9157 printf("Bad argument to echr\n");
9160 case QEMU_OPTION_monitor
:
9161 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
9163 case QEMU_OPTION_balloon
:
9164 if (vmchannel_device_index
>= MAX_VMCHANNEL_DEVICES
) {
9165 fprintf(stderr
, "qemu: too many balloon/vmchannel devices\n");
9169 fprintf(stderr
, "qemu: only one balloon device can be used\n");
9172 sprintf(vmchannel_devices
[vmchannel_device_index
],"di:cdcd,%s", optarg
);
9173 vmchannel_device_index
++;
9176 case QEMU_OPTION_vmchannel
:
9177 if (vmchannel_device_index
>= MAX_VMCHANNEL_DEVICES
) {
9178 fprintf(stderr
, "qemu: too many balloon/vmchannel devices\n");
9181 pstrcpy(vmchannel_devices
[vmchannel_device_index
],
9182 sizeof(vmchannel_devices
[0]), optarg
);
9183 vmchannel_device_index
++;
9185 case QEMU_OPTION_serial
:
9186 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
9187 fprintf(stderr
, "qemu: too many serial ports\n");
9190 pstrcpy(serial_devices
[serial_device_index
],
9191 sizeof(serial_devices
[0]), optarg
);
9192 serial_device_index
++;
9194 case QEMU_OPTION_parallel
:
9195 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
9196 fprintf(stderr
, "qemu: too many parallel ports\n");
9199 pstrcpy(parallel_devices
[parallel_device_index
],
9200 sizeof(parallel_devices
[0]), optarg
);
9201 parallel_device_index
++;
9203 case QEMU_OPTION_loadvm
:
9206 case QEMU_OPTION_incoming
:
9209 case QEMU_OPTION_full_screen
:
9213 case QEMU_OPTION_no_frame
:
9216 case QEMU_OPTION_alt_grab
:
9219 case QEMU_OPTION_no_quit
:
9223 case QEMU_OPTION_pidfile
:
9227 case QEMU_OPTION_win2k_hack
:
9228 win2k_install_hack
= 1;
9232 case QEMU_OPTION_no_kqemu
:
9235 case QEMU_OPTION_kernel_kqemu
:
9240 case QEMU_OPTION_no_kvm
:
9243 case QEMU_OPTION_no_kvm_irqchip
: {
9244 extern int kvm_irqchip
, kvm_pit
;
9249 case QEMU_OPTION_no_kvm_pit
: {
9255 case QEMU_OPTION_usb
:
9258 case QEMU_OPTION_usbdevice
:
9260 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
9261 fprintf(stderr
, "Too many USB devices\n");
9264 pstrcpy(usb_devices
[usb_devices_index
],
9265 sizeof(usb_devices
[usb_devices_index
]),
9267 usb_devices_index
++;
9269 case QEMU_OPTION_smp
:
9270 smp_cpus
= atoi(optarg
);
9271 if (smp_cpus
< 1 || smp_cpus
> MAX_CPUS
) {
9272 fprintf(stderr
, "Invalid number of CPUs\n");
9276 case QEMU_OPTION_vnc
:
9277 vnc_display
= optarg
;
9279 case QEMU_OPTION_no_acpi
:
9282 case QEMU_OPTION_no_reboot
:
9285 case QEMU_OPTION_show_cursor
:
9288 case QEMU_OPTION_daemonize
:
9291 case QEMU_OPTION_option_rom
:
9292 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9293 fprintf(stderr
, "Too many option ROMs\n");
9296 option_rom
[nb_option_roms
] = optarg
;
9299 case QEMU_OPTION_semihosting
:
9300 semihosting_enabled
= 1;
9302 case QEMU_OPTION_tdf
:
9305 case QEMU_OPTION_kvm_shadow_memory
:
9306 kvm_shadow_memory
= (int64_t)atoi(optarg
) * 1024 * 1024 / 4096;
9308 case QEMU_OPTION_mempath
:
9311 case QEMU_OPTION_name
:
9315 case QEMU_OPTION_prom_env
:
9316 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
9317 fprintf(stderr
, "Too many prom variables\n");
9320 prom_envs
[nb_prom_envs
] = optarg
;
9324 case QEMU_OPTION_cpu_vendor
:
9325 cpu_vendor_string
= optarg
;
9328 case QEMU_OPTION_old_param
:
9332 case QEMU_OPTION_clock
:
9333 configure_alarms(optarg
);
9335 case QEMU_OPTION_startdate
:
9338 time_t rtc_start_date
;
9339 if (!strcmp(optarg
, "now")) {
9340 rtc_date_offset
= -1;
9342 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
9350 } else if (sscanf(optarg
, "%d-%d-%d",
9353 &tm
.tm_mday
) == 3) {
9362 rtc_start_date
= mktimegm(&tm
);
9363 if (rtc_start_date
== -1) {
9365 fprintf(stderr
, "Invalid date format. Valid format are:\n"
9366 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
9369 rtc_date_offset
= time(NULL
) - rtc_start_date
;
9381 if (pipe(fds
) == -1)
9392 len
= read(fds
[0], &status
, 1);
9393 if (len
== -1 && (errno
== EINTR
))
9398 else if (status
== 1) {
9399 fprintf(stderr
, "Could not acquire pidfile\n");
9416 signal(SIGTSTP
, SIG_IGN
);
9417 signal(SIGTTOU
, SIG_IGN
);
9418 signal(SIGTTIN
, SIG_IGN
);
9423 if (kvm_enabled()) {
9424 if (kvm_qemu_init() < 0) {
9425 extern int kvm_allowed
;
9426 fprintf(stderr
, "Could not initialize KVM, will disable KVM support\n");
9427 #ifdef NO_CPU_EMULATION
9428 fprintf(stderr
, "Compiled with --disable-cpu-emulation, exiting.\n");
9436 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
9439 write(fds
[1], &status
, 1);
9441 fprintf(stderr
, "Could not acquire pid file\n");
9449 linux_boot
= (kernel_filename
!= NULL
);
9450 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
9452 /* XXX: this should not be: some embedded targets just have flash */
9453 if (!linux_boot
&& net_boot
== 0 &&
9457 /* boot to floppy or the default cd if no hard disk defined yet */
9458 if (!boot_devices
[0]) {
9459 boot_devices
= "cad";
9461 setvbuf(stdout
, NULL
, _IOLBF
, 0);
9471 /* init network clients */
9472 if (nb_net_clients
== 0) {
9473 /* if no clients, we use a default config */
9474 pstrcpy(net_clients
[0], sizeof(net_clients
[0]),
9476 pstrcpy(net_clients
[1], sizeof(net_clients
[0]),
9481 for(i
= 0;i
< nb_net_clients
; i
++) {
9482 if (net_client_init(net_clients
[i
]) < 0)
9485 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9486 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
9488 if (vlan
->nb_guest_devs
== 0) {
9489 fprintf(stderr
, "Invalid vlan (%d) with no nics\n", vlan
->id
);
9492 if (vlan
->nb_host_devs
== 0)
9494 "Warning: vlan %d is not connected to host network\n",
9499 /* XXX: this should be moved in the PC machine instantiation code */
9500 if (net_boot
!= 0) {
9502 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
9503 const char *model
= nd_table
[i
].model
;
9505 if (net_boot
& (1 << i
)) {
9508 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
9509 if (get_image_size(buf
) > 0) {
9510 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9511 fprintf(stderr
, "Too many option ROMs\n");
9514 option_rom
[nb_option_roms
] = strdup(buf
);
9521 fprintf(stderr
, "No valid PXE rom found for network device\n");
9527 /* init the memory */
9528 phys_ram_size
= ram_size
+ vga_ram_size
+ MAX_BIOS_SIZE
;
9530 /* Initialize kvm */
9531 #if defined(TARGET_I386) || defined(TARGET_X86_64)
9532 #define KVM_EXTRA_PAGES 3
9534 #define KVM_EXTRA_PAGES 0
9536 if (kvm_enabled()) {
9537 phys_ram_size
+= KVM_EXTRA_PAGES
* TARGET_PAGE_SIZE
;
9538 if (kvm_qemu_create_context() < 0) {
9539 fprintf(stderr
, "Could not create KVM context\n");
9542 #ifdef KVM_CAP_USER_MEMORY
9546 ret
= kvm_qemu_check_extension(KVM_CAP_USER_MEMORY
);
9548 phys_ram_base
= qemu_alloc_physram(phys_ram_size
);
9549 if (!phys_ram_base
) {
9550 fprintf(stderr
, "Could not allocate physical memory\n");
9557 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
9558 if (!phys_ram_base
) {
9559 fprintf(stderr
, "Could not allocate physical memory\n");
9566 /* we always create the cdrom drive, even if no disk is there */
9568 if (nb_drives_opt
< MAX_DRIVES
)
9569 drive_add(NULL
, CDROM_ALIAS
);
9571 /* we always create at least one floppy */
9573 if (nb_drives_opt
< MAX_DRIVES
)
9574 drive_add(NULL
, FD_ALIAS
, 0);
9576 /* we always create one sd slot, even if no card is in it */
9578 if (nb_drives_opt
< MAX_DRIVES
)
9579 drive_add(NULL
, SD_ALIAS
);
9581 /* open the virtual block devices */
9583 for(i
= 0; i
< nb_drives_opt
; i
++)
9584 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
9587 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
9588 register_savevm("ram", 0, 3, ram_save
, ram_load
, NULL
);
9593 memset(&display_state
, 0, sizeof(display_state
));
9596 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
9599 /* nearly nothing to do */
9600 dumb_display_init(ds
);
9601 } else if (vnc_display
!= NULL
) {
9602 vnc_display_init(ds
);
9603 if (vnc_display_open(ds
, vnc_display
) < 0)
9606 #if defined(CONFIG_CURSES)
9608 curses_display_init(ds
, full_screen
);
9612 #if defined(CONFIG_SDL)
9613 sdl_display_init(ds
, full_screen
, no_frame
);
9614 #elif defined(CONFIG_COCOA)
9615 cocoa_display_init(ds
, full_screen
);
9617 dumb_display_init(ds
);
9621 /* Maintain compatibility with multiple stdio monitors */
9622 if (!strcmp(monitor_device
,"stdio")) {
9623 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9624 if (!strcmp(serial_devices
[i
],"mon:stdio")) {
9625 monitor_device
[0] = '\0';
9627 } else if (!strcmp(serial_devices
[i
],"stdio")) {
9628 monitor_device
[0] = '\0';
9629 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "mon:stdio");
9634 if (monitor_device
[0] != '\0') {
9635 monitor_hd
= qemu_chr_open(monitor_device
);
9637 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
9640 monitor_init(monitor_hd
, !nographic
);
9643 for(i
= 0; i
< MAX_VMCHANNEL_DEVICES
; i
++) {
9644 const char *devname
= vmchannel_devices
[i
];
9645 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9649 if (strstart(devname
, "di:", &devname
)) {
9650 devid
= strtol(devname
, &termn
, 16);
9651 devname
= termn
+ 1;
9654 fprintf(stderr
, "qemu: could not find vmchannel device id '%s'\n",
9658 vmchannel_hds
[i
] = qemu_chr_open(devname
);
9659 if (!vmchannel_hds
[i
]) {
9660 fprintf(stderr
, "qemu: could not open vmchannel device '%s'\n",
9664 vmchannel_init(vmchannel_hds
[i
], devid
, i
);
9668 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9669 const char *devname
= serial_devices
[i
];
9670 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9671 serial_hds
[i
] = qemu_chr_open(devname
);
9672 if (!serial_hds
[i
]) {
9673 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
9677 if (strstart(devname
, "vc", 0))
9678 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
9682 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
9683 const char *devname
= parallel_devices
[i
];
9684 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9685 parallel_hds
[i
] = qemu_chr_open(devname
);
9686 if (!parallel_hds
[i
]) {
9687 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
9691 if (strstart(devname
, "vc", 0))
9692 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
9696 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
9697 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
9699 /* init USB devices */
9701 for(i
= 0; i
< usb_devices_index
; i
++) {
9702 if (usb_device_add(usb_devices
[i
]) < 0) {
9703 fprintf(stderr
, "Warning: could not add USB device %s\n",
9709 if (display_state
.dpy_refresh
) {
9710 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
9711 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
9717 #ifdef CONFIG_GDBSTUB
9719 /* XXX: use standard host:port notation and modify options
9721 if (gdbserver_start(gdbstub_port
) < 0) {
9722 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
9734 rc
= migrate_incoming(incoming
);
9736 fprintf(stderr
, "Migration failed rc=%d\n", rc
);
9742 /* XXX: simplify init */
9755 len
= write(fds
[1], &status
, 1);
9756 if (len
== -1 && (errno
== EINTR
))
9763 TFR(fd
= open("/dev/null", O_RDWR
));
9777 #if !defined(_WIN32)
9778 /* close network clients */
9779 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9780 VLANClientState
*vc
;
9782 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
9783 if (vc
->fd_read
== tap_receive
) {
9785 TAPState
*s
= vc
->opaque
;
9787 if (sscanf(vc
->info_str
, "tap: ifname=%63s ", ifname
) == 1 &&
9789 launch_script(s
->down_script
, ifname
, s
->fd
);