4 * Copyright (c) 2003-2007 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>
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"
137 #include "qemu-kvm.h"
140 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
141 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
143 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
145 #define SMBD_COMMAND "/usr/sbin/smbd"
148 //#define DEBUG_UNUSED_IOPORT
149 //#define DEBUG_IOPORT
151 #if HOST_LONG_BITS < 64
152 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
154 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024 * 1024ULL)
158 #define DEFAULT_RAM_SIZE 144
160 #define DEFAULT_RAM_SIZE 128
163 #define GUI_REFRESH_INTERVAL 30
165 /* Max number of USB devices that can be specified on the commandline. */
166 #define MAX_USB_CMDLINE 8
168 /* XXX: use a two level table to limit memory usage */
169 #define MAX_IOPORTS 65536
171 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
172 const char *bios_name
= NULL
;
173 void *ioport_opaque
[MAX_IOPORTS
];
174 IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
175 IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
176 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
177 to store the VM snapshots */
178 DriveInfo drives_table
[MAX_DRIVES
+1];
180 /* point to the block driver where the snapshots are managed */
181 BlockDriverState
*bs_snapshots
;
183 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
];
193 int rtc_start_date
= -1; /* -1 means now */
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)
226 int acpi_enabled
= 1;
230 int graphic_rotate
= 0;
232 const char *incoming
;
233 const char *option_rom
[MAX_OPTION_ROMS
];
235 int semihosting_enabled
= 0;
237 int time_drift_fix
= 0;
238 unsigned int kvm_shadow_memory
= 0;
239 const char *cpu_vendor_string
;
243 const char *qemu_name
;
246 unsigned int nb_prom_envs
= 0;
247 const char *prom_envs
[MAX_PROM_ENVS
];
250 char drives_opt
[MAX_DRIVES
][1024];
252 static CPUState
*cur_cpu
;
253 static CPUState
*next_cpu
;
254 static int event_pending
= 1;
256 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
258 void decorate_application_name(char *appname
, int max_len
)
263 int remain
= max_len
- strlen(appname
) - 1;
266 strncat(appname
, "/KVM", remain
);
271 /***********************************************************/
272 /* x86 ISA bus support */
274 target_phys_addr_t isa_mem_base
= 0;
277 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
279 #ifdef DEBUG_UNUSED_IOPORT
280 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
285 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
287 #ifdef DEBUG_UNUSED_IOPORT
288 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
292 /* default is to make two byte accesses */
293 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
296 data
= ioport_read_table
[0][address
](ioport_opaque
[address
], address
);
297 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
298 data
|= ioport_read_table
[0][address
](ioport_opaque
[address
], address
) << 8;
302 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
304 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, data
& 0xff);
305 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
306 ioport_write_table
[0][address
](ioport_opaque
[address
], address
, (data
>> 8) & 0xff);
309 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
311 #ifdef DEBUG_UNUSED_IOPORT
312 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
317 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
319 #ifdef DEBUG_UNUSED_IOPORT
320 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
324 static void init_ioports(void)
328 for(i
= 0; i
< MAX_IOPORTS
; i
++) {
329 ioport_read_table
[0][i
] = default_ioport_readb
;
330 ioport_write_table
[0][i
] = default_ioport_writeb
;
331 ioport_read_table
[1][i
] = default_ioport_readw
;
332 ioport_write_table
[1][i
] = default_ioport_writew
;
333 ioport_read_table
[2][i
] = default_ioport_readl
;
334 ioport_write_table
[2][i
] = default_ioport_writel
;
338 /* size is the word size in byte */
339 int register_ioport_read(int start
, int length
, int size
,
340 IOPortReadFunc
*func
, void *opaque
)
346 } else if (size
== 2) {
348 } else if (size
== 4) {
351 hw_error("register_ioport_read: invalid size");
354 for(i
= start
; i
< start
+ length
; i
+= size
) {
355 ioport_read_table
[bsize
][i
] = func
;
356 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
357 hw_error("register_ioport_read: invalid opaque");
358 ioport_opaque
[i
] = opaque
;
363 /* size is the word size in byte */
364 int register_ioport_write(int start
, int length
, int size
,
365 IOPortWriteFunc
*func
, void *opaque
)
371 } else if (size
== 2) {
373 } else if (size
== 4) {
376 hw_error("register_ioport_write: invalid size");
379 for(i
= start
; i
< start
+ length
; i
+= size
) {
380 ioport_write_table
[bsize
][i
] = func
;
381 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
382 hw_error("register_ioport_write: invalid opaque");
383 ioport_opaque
[i
] = opaque
;
388 void isa_unassign_ioport(int start
, int length
)
392 for(i
= start
; i
< start
+ length
; i
++) {
393 ioport_read_table
[0][i
] = default_ioport_readb
;
394 ioport_read_table
[1][i
] = default_ioport_readw
;
395 ioport_read_table
[2][i
] = default_ioport_readl
;
397 ioport_write_table
[0][i
] = default_ioport_writeb
;
398 ioport_write_table
[1][i
] = default_ioport_writew
;
399 ioport_write_table
[2][i
] = default_ioport_writel
;
403 /***********************************************************/
405 void cpu_outb(CPUState
*env
, int addr
, int val
)
408 if (loglevel
& CPU_LOG_IOPORT
)
409 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
411 ioport_write_table
[0][addr
](ioport_opaque
[addr
], addr
, val
);
414 env
->last_io_time
= cpu_get_time_fast();
418 void cpu_outw(CPUState
*env
, int addr
, int val
)
421 if (loglevel
& CPU_LOG_IOPORT
)
422 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
424 ioport_write_table
[1][addr
](ioport_opaque
[addr
], addr
, val
);
427 env
->last_io_time
= cpu_get_time_fast();
431 void cpu_outl(CPUState
*env
, int addr
, int val
)
434 if (loglevel
& CPU_LOG_IOPORT
)
435 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
437 ioport_write_table
[2][addr
](ioport_opaque
[addr
], addr
, val
);
440 env
->last_io_time
= cpu_get_time_fast();
444 int cpu_inb(CPUState
*env
, int addr
)
447 val
= ioport_read_table
[0][addr
](ioport_opaque
[addr
], addr
);
449 if (loglevel
& CPU_LOG_IOPORT
)
450 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
454 env
->last_io_time
= cpu_get_time_fast();
459 int cpu_inw(CPUState
*env
, int addr
)
462 val
= ioport_read_table
[1][addr
](ioport_opaque
[addr
], addr
);
464 if (loglevel
& CPU_LOG_IOPORT
)
465 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
469 env
->last_io_time
= cpu_get_time_fast();
474 int cpu_inl(CPUState
*env
, int addr
)
477 val
= ioport_read_table
[2][addr
](ioport_opaque
[addr
], addr
);
479 if (loglevel
& CPU_LOG_IOPORT
)
480 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
484 env
->last_io_time
= cpu_get_time_fast();
489 /***********************************************************/
490 void hw_error(const char *fmt
, ...)
496 fprintf(stderr
, "qemu: hardware error: ");
497 vfprintf(stderr
, fmt
, ap
);
498 fprintf(stderr
, "\n");
499 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
500 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
502 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
504 cpu_dump_state(env
, stderr
, fprintf
, 0);
511 /***********************************************************/
514 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
515 static void *qemu_put_kbd_event_opaque
;
516 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
517 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
519 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
521 qemu_put_kbd_event_opaque
= opaque
;
522 qemu_put_kbd_event
= func
;
525 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
526 void *opaque
, int absolute
,
529 QEMUPutMouseEntry
*s
, *cursor
;
531 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
535 s
->qemu_put_mouse_event
= func
;
536 s
->qemu_put_mouse_event_opaque
= opaque
;
537 s
->qemu_put_mouse_event_absolute
= absolute
;
538 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
541 if (!qemu_put_mouse_event_head
) {
542 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
546 cursor
= qemu_put_mouse_event_head
;
547 while (cursor
->next
!= NULL
)
548 cursor
= cursor
->next
;
551 qemu_put_mouse_event_current
= s
;
556 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
558 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
560 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
563 cursor
= qemu_put_mouse_event_head
;
564 while (cursor
!= NULL
&& cursor
!= entry
) {
566 cursor
= cursor
->next
;
569 if (cursor
== NULL
) // does not exist or list empty
571 else if (prev
== NULL
) { // entry is head
572 qemu_put_mouse_event_head
= cursor
->next
;
573 if (qemu_put_mouse_event_current
== entry
)
574 qemu_put_mouse_event_current
= cursor
->next
;
575 qemu_free(entry
->qemu_put_mouse_event_name
);
580 prev
->next
= entry
->next
;
582 if (qemu_put_mouse_event_current
== entry
)
583 qemu_put_mouse_event_current
= prev
;
585 qemu_free(entry
->qemu_put_mouse_event_name
);
589 void kbd_put_keycode(int keycode
)
591 if (qemu_put_kbd_event
) {
592 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
596 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
598 QEMUPutMouseEvent
*mouse_event
;
599 void *mouse_event_opaque
;
602 if (!qemu_put_mouse_event_current
) {
607 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
609 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
612 if (graphic_rotate
) {
613 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
616 width
= graphic_width
;
617 mouse_event(mouse_event_opaque
,
618 width
- dy
, dx
, dz
, buttons_state
);
620 mouse_event(mouse_event_opaque
,
621 dx
, dy
, dz
, buttons_state
);
625 int kbd_mouse_is_absolute(void)
627 if (!qemu_put_mouse_event_current
)
630 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
633 void do_info_mice(void)
635 QEMUPutMouseEntry
*cursor
;
638 if (!qemu_put_mouse_event_head
) {
639 term_printf("No mouse devices connected\n");
643 term_printf("Mouse devices available:\n");
644 cursor
= qemu_put_mouse_event_head
;
645 while (cursor
!= NULL
) {
646 term_printf("%c Mouse #%d: %s\n",
647 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
648 index
, cursor
->qemu_put_mouse_event_name
);
650 cursor
= cursor
->next
;
654 void do_mouse_set(int index
)
656 QEMUPutMouseEntry
*cursor
;
659 if (!qemu_put_mouse_event_head
) {
660 term_printf("No mouse devices connected\n");
664 cursor
= qemu_put_mouse_event_head
;
665 while (cursor
!= NULL
&& index
!= i
) {
667 cursor
= cursor
->next
;
671 qemu_put_mouse_event_current
= cursor
;
673 term_printf("Mouse at given index not found\n");
676 /* compute with 96 bit intermediate result: (a*b)/c */
677 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
682 #ifdef WORDS_BIGENDIAN
692 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
693 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
696 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
700 /***********************************************************/
701 /* real time host monotonic timer */
703 #define QEMU_TIMER_BASE 1000000000LL
707 static int64_t clock_freq
;
709 static void init_get_clock(void)
713 ret
= QueryPerformanceFrequency(&freq
);
715 fprintf(stderr
, "Could not calibrate ticks\n");
718 clock_freq
= freq
.QuadPart
;
721 static int64_t get_clock(void)
724 QueryPerformanceCounter(&ti
);
725 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
730 static int use_rt_clock
;
732 static void init_get_clock(void)
735 #if defined(__linux__)
738 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
745 static int64_t get_clock(void)
747 #if defined(__linux__)
750 clock_gettime(CLOCK_MONOTONIC
, &ts
);
751 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
755 /* XXX: using gettimeofday leads to problems if the date
756 changes, so it should be avoided. */
758 gettimeofday(&tv
, NULL
);
759 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
765 /***********************************************************/
766 /* guest cycle counter */
768 static int64_t cpu_ticks_prev
;
769 static int64_t cpu_ticks_offset
;
770 static int64_t cpu_clock_offset
;
771 static int cpu_ticks_enabled
;
773 /* return the host CPU cycle counter and handle stop/restart */
774 int64_t cpu_get_ticks(void)
776 if (!cpu_ticks_enabled
) {
777 return cpu_ticks_offset
;
780 ticks
= cpu_get_real_ticks();
781 if (cpu_ticks_prev
> ticks
) {
782 /* Note: non increasing ticks may happen if the host uses
784 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
786 cpu_ticks_prev
= ticks
;
787 return ticks
+ cpu_ticks_offset
;
791 /* return the host CPU monotonic timer and handle stop/restart */
792 static int64_t cpu_get_clock(void)
795 if (!cpu_ticks_enabled
) {
796 return cpu_clock_offset
;
799 return ti
+ cpu_clock_offset
;
803 /* enable cpu_get_ticks() */
804 void cpu_enable_ticks(void)
806 if (!cpu_ticks_enabled
) {
807 cpu_ticks_offset
-= cpu_get_real_ticks();
808 cpu_clock_offset
-= get_clock();
809 cpu_ticks_enabled
= 1;
813 /* disable cpu_get_ticks() : the clock is stopped. You must not call
814 cpu_get_ticks() after that. */
815 void cpu_disable_ticks(void)
817 if (cpu_ticks_enabled
) {
818 cpu_ticks_offset
= cpu_get_ticks();
819 cpu_clock_offset
= cpu_get_clock();
820 cpu_ticks_enabled
= 0;
824 /***********************************************************/
827 #define QEMU_TIMER_REALTIME 0
828 #define QEMU_TIMER_VIRTUAL 1
832 /* XXX: add frequency */
840 struct QEMUTimer
*next
;
843 struct qemu_alarm_timer
{
847 int (*start
)(struct qemu_alarm_timer
*t
);
848 void (*stop
)(struct qemu_alarm_timer
*t
);
849 void (*rearm
)(struct qemu_alarm_timer
*t
);
853 #define ALARM_FLAG_DYNTICKS 0x1
855 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
857 return t
->flags
& ALARM_FLAG_DYNTICKS
;
860 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
862 if (!alarm_has_dynticks(t
))
868 /* TODO: MIN_TIMER_REARM_US should be optimized */
869 #define MIN_TIMER_REARM_US 250
871 static struct qemu_alarm_timer
*alarm_timer
;
875 struct qemu_alarm_win32
{
879 } alarm_win32_data
= {0, NULL
, -1};
881 static int win32_start_timer(struct qemu_alarm_timer
*t
);
882 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
883 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
887 static int unix_start_timer(struct qemu_alarm_timer
*t
);
888 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
892 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
893 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
894 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
896 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
897 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
899 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
900 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
902 #endif /* __linux__ */
906 static struct qemu_alarm_timer alarm_timers
[] = {
909 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
910 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
911 /* HPET - if available - is preferred */
912 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
913 /* ...otherwise try RTC */
914 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
916 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
918 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
919 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
920 {"win32", 0, win32_start_timer
,
921 win32_stop_timer
, NULL
, &alarm_win32_data
},
926 static void show_available_alarms()
930 printf("Available alarm timers, in order of precedence:\n");
931 for (i
= 0; alarm_timers
[i
].name
; i
++)
932 printf("%s\n", alarm_timers
[i
].name
);
935 static void configure_alarms(char const *opt
)
939 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
943 if (!strcmp(opt
, "help")) {
944 show_available_alarms();
950 /* Reorder the array */
951 name
= strtok(arg
, ",");
953 struct qemu_alarm_timer tmp
;
955 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
956 if (!strcmp(alarm_timers
[i
].name
, name
))
961 fprintf(stderr
, "Unknown clock %s\n", name
);
970 tmp
= alarm_timers
[i
];
971 alarm_timers
[i
] = alarm_timers
[cur
];
972 alarm_timers
[cur
] = tmp
;
976 name
= strtok(NULL
, ",");
982 /* Disable remaining timers */
983 for (i
= cur
; i
< count
; i
++)
984 alarm_timers
[i
].name
= NULL
;
988 show_available_alarms();
994 static QEMUTimer
*active_timers
[2];
996 static QEMUClock
*qemu_new_clock(int type
)
999 clock
= qemu_mallocz(sizeof(QEMUClock
));
1006 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1010 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1013 ts
->opaque
= opaque
;
1017 void qemu_free_timer(QEMUTimer
*ts
)
1022 /* stop a timer, but do not dealloc it */
1023 void qemu_del_timer(QEMUTimer
*ts
)
1027 /* NOTE: this code must be signal safe because
1028 qemu_timer_expired() can be called from a signal. */
1029 pt
= &active_timers
[ts
->clock
->type
];
1042 /* modify the current timer so that it will be fired when current_time
1043 >= expire_time. The corresponding callback will be called. */
1044 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1050 /* add the timer in the sorted list */
1051 /* NOTE: this code must be signal safe because
1052 qemu_timer_expired() can be called from a signal. */
1053 pt
= &active_timers
[ts
->clock
->type
];
1058 if (t
->expire_time
> expire_time
)
1062 ts
->expire_time
= expire_time
;
1067 int qemu_timer_pending(QEMUTimer
*ts
)
1070 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1077 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1081 return (timer_head
->expire_time
<= current_time
);
1084 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1090 if (!ts
|| ts
->expire_time
> current_time
)
1092 /* remove timer from the list before calling the callback */
1093 *ptimer_head
= ts
->next
;
1096 /* run the callback (the timer list can be modified) */
1099 qemu_rearm_alarm_timer(alarm_timer
);
1102 int64_t qemu_get_clock(QEMUClock
*clock
)
1104 switch(clock
->type
) {
1105 case QEMU_TIMER_REALTIME
:
1106 return get_clock() / 1000000;
1108 case QEMU_TIMER_VIRTUAL
:
1109 return cpu_get_clock();
1113 static void init_timers(void)
1116 ticks_per_sec
= QEMU_TIMER_BASE
;
1117 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1118 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1122 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1124 uint64_t expire_time
;
1126 if (qemu_timer_pending(ts
)) {
1127 expire_time
= ts
->expire_time
;
1131 qemu_put_be64(f
, expire_time
);
1134 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1136 uint64_t expire_time
;
1138 expire_time
= qemu_get_be64(f
);
1139 if (expire_time
!= -1) {
1140 qemu_mod_timer(ts
, expire_time
);
1146 static void timer_save(QEMUFile
*f
, void *opaque
)
1148 if (cpu_ticks_enabled
) {
1149 hw_error("cannot save state if virtual timers are running");
1151 qemu_put_be64(f
, cpu_ticks_offset
);
1152 qemu_put_be64(f
, ticks_per_sec
);
1153 qemu_put_be64(f
, cpu_clock_offset
);
1156 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1158 if (version_id
!= 1 && version_id
!= 2)
1160 if (cpu_ticks_enabled
) {
1163 cpu_ticks_offset
=qemu_get_be64(f
);
1164 ticks_per_sec
=qemu_get_be64(f
);
1165 if (version_id
== 2) {
1166 cpu_clock_offset
=qemu_get_be64(f
);
1172 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1173 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1175 static void host_alarm_handler(int host_signum
)
1179 #define DISP_FREQ 1000
1181 static int64_t delta_min
= INT64_MAX
;
1182 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1184 ti
= qemu_get_clock(vm_clock
);
1185 if (last_clock
!= 0) {
1186 delta
= ti
- last_clock
;
1187 if (delta
< delta_min
)
1189 if (delta
> delta_max
)
1192 if (++count
== DISP_FREQ
) {
1193 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1194 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1195 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1196 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1197 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1199 delta_min
= INT64_MAX
;
1208 alarm_has_dynticks(alarm_timer
) ||
1209 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1210 qemu_get_clock(vm_clock
)) ||
1211 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1212 qemu_get_clock(rt_clock
))) {
1214 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1215 SetEvent(data
->host_alarm
);
1217 CPUState
*env
= next_cpu
;
1220 /* stop the currently executing cpu because a timer occured */
1221 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1223 if (env
->kqemu_enabled
) {
1224 kqemu_cpu_interrupt(env
);
1232 static uint64_t qemu_next_deadline(void)
1234 int64_t nearest_delta_us
= INT64_MAX
;
1237 if (active_timers
[QEMU_TIMER_REALTIME
])
1238 nearest_delta_us
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1239 qemu_get_clock(rt_clock
))*1000;
1241 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1243 vmdelta_us
= (active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1244 qemu_get_clock(vm_clock
)+999)/1000;
1245 if (vmdelta_us
< nearest_delta_us
)
1246 nearest_delta_us
= vmdelta_us
;
1249 /* Avoid arming the timer to negative, zero, or too low values */
1250 if (nearest_delta_us
<= MIN_TIMER_REARM_US
)
1251 nearest_delta_us
= MIN_TIMER_REARM_US
;
1253 return nearest_delta_us
;
1258 #if defined(__linux__)
1260 #define RTC_FREQ 1024
1262 static void enable_sigio_timer(int fd
)
1264 struct sigaction act
;
1267 sigfillset(&act
.sa_mask
);
1269 act
.sa_handler
= host_alarm_handler
;
1271 sigaction(SIGIO
, &act
, NULL
);
1272 fcntl(fd
, F_SETFL
, O_ASYNC
);
1273 fcntl(fd
, F_SETOWN
, getpid());
1276 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1278 struct hpet_info info
;
1281 fd
= open("/dev/hpet", O_RDONLY
);
1286 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1288 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1289 "error, but for better emulation accuracy type:\n"
1290 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1294 /* Check capabilities */
1295 r
= ioctl(fd
, HPET_INFO
, &info
);
1299 /* Enable periodic mode */
1300 r
= ioctl(fd
, HPET_EPI
, 0);
1301 if (info
.hi_flags
&& (r
< 0))
1304 /* Enable interrupt */
1305 r
= ioctl(fd
, HPET_IE_ON
, 0);
1309 enable_sigio_timer(fd
);
1310 t
->priv
= (void *)(long)fd
;
1318 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1320 int fd
= (long)t
->priv
;
1325 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1329 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1332 if (ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1333 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1334 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1335 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1338 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1344 enable_sigio_timer(rtc_fd
);
1346 t
->priv
= (void *)(long)rtc_fd
;
1351 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1353 int rtc_fd
= (long)t
->priv
;
1358 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1362 struct sigaction act
;
1364 sigfillset(&act
.sa_mask
);
1366 act
.sa_handler
= host_alarm_handler
;
1368 sigaction(SIGALRM
, &act
, NULL
);
1370 ev
.sigev_value
.sival_int
= 0;
1371 ev
.sigev_notify
= SIGEV_SIGNAL
;
1372 ev
.sigev_signo
= SIGALRM
;
1374 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1375 perror("timer_create");
1377 /* disable dynticks */
1378 fprintf(stderr
, "Dynamic Ticks disabled\n");
1383 t
->priv
= (void *)host_timer
;
1388 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1390 timer_t host_timer
= (timer_t
)t
->priv
;
1392 timer_delete(host_timer
);
1395 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1397 timer_t host_timer
= (timer_t
)t
->priv
;
1398 struct itimerspec timeout
;
1399 int64_t nearest_delta_us
= INT64_MAX
;
1402 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1403 !active_timers
[QEMU_TIMER_VIRTUAL
])
1406 nearest_delta_us
= qemu_next_deadline();
1408 /* check whether a timer is already running */
1409 if (timer_gettime(host_timer
, &timeout
)) {
1411 fprintf(stderr
, "Internal timer error: aborting\n");
1414 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1415 if (current_us
&& current_us
<= nearest_delta_us
)
1418 timeout
.it_interval
.tv_sec
= 0;
1419 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1420 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1421 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1422 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1424 fprintf(stderr
, "Internal timer error: aborting\n");
1429 #endif /* defined(__linux__) */
1431 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1433 struct sigaction act
;
1434 struct itimerval itv
;
1438 sigfillset(&act
.sa_mask
);
1440 act
.sa_handler
= host_alarm_handler
;
1442 sigaction(SIGALRM
, &act
, NULL
);
1444 itv
.it_interval
.tv_sec
= 0;
1445 /* for i386 kernel 2.6 to get 1 ms */
1446 itv
.it_interval
.tv_usec
= 999;
1447 itv
.it_value
.tv_sec
= 0;
1448 itv
.it_value
.tv_usec
= 10 * 1000;
1450 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1457 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1459 struct itimerval itv
;
1461 memset(&itv
, 0, sizeof(itv
));
1462 setitimer(ITIMER_REAL
, &itv
, NULL
);
1465 #endif /* !defined(_WIN32) */
1469 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1472 struct qemu_alarm_win32
*data
= t
->priv
;
1475 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1476 if (!data
->host_alarm
) {
1477 perror("Failed CreateEvent");
1481 memset(&tc
, 0, sizeof(tc
));
1482 timeGetDevCaps(&tc
, sizeof(tc
));
1484 if (data
->period
< tc
.wPeriodMin
)
1485 data
->period
= tc
.wPeriodMin
;
1487 timeBeginPeriod(data
->period
);
1489 flags
= TIME_CALLBACK_FUNCTION
;
1490 if (alarm_has_dynticks(t
))
1491 flags
|= TIME_ONESHOT
;
1493 flags
|= TIME_PERIODIC
;
1495 data
->timerId
= timeSetEvent(1, // interval (ms)
1496 data
->period
, // resolution
1497 host_alarm_handler
, // function
1498 (DWORD
)t
, // parameter
1501 if (!data
->timerId
) {
1502 perror("Failed to initialize win32 alarm timer");
1504 timeEndPeriod(data
->period
);
1505 CloseHandle(data
->host_alarm
);
1509 qemu_add_wait_object(data
->host_alarm
, NULL
, NULL
);
1514 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1516 struct qemu_alarm_win32
*data
= t
->priv
;
1518 timeKillEvent(data
->timerId
);
1519 timeEndPeriod(data
->period
);
1521 CloseHandle(data
->host_alarm
);
1524 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1526 struct qemu_alarm_win32
*data
= t
->priv
;
1527 uint64_t nearest_delta_us
;
1529 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1530 !active_timers
[QEMU_TIMER_VIRTUAL
])
1533 nearest_delta_us
= qemu_next_deadline();
1534 nearest_delta_us
/= 1000;
1536 timeKillEvent(data
->timerId
);
1538 data
->timerId
= timeSetEvent(1,
1542 TIME_ONESHOT
| TIME_PERIODIC
);
1544 if (!data
->timerId
) {
1545 perror("Failed to re-arm win32 alarm timer");
1547 timeEndPeriod(data
->period
);
1548 CloseHandle(data
->host_alarm
);
1555 static void init_timer_alarm(void)
1557 struct qemu_alarm_timer
*t
;
1560 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1561 t
= &alarm_timers
[i
];
1569 fprintf(stderr
, "Unable to find any suitable alarm timer.\n");
1570 fprintf(stderr
, "Terminating\n");
1577 static void quit_timers(void)
1579 alarm_timer
->stop(alarm_timer
);
1583 /***********************************************************/
1584 /* character device */
1586 static void qemu_chr_event(CharDriverState
*s
, int event
)
1590 s
->chr_event(s
->handler_opaque
, event
);
1593 static void qemu_chr_reset_bh(void *opaque
)
1595 CharDriverState
*s
= opaque
;
1596 qemu_chr_event(s
, CHR_EVENT_RESET
);
1597 qemu_bh_delete(s
->bh
);
1601 void qemu_chr_reset(CharDriverState
*s
)
1603 if (s
->bh
== NULL
) {
1604 s
->bh
= qemu_bh_new(qemu_chr_reset_bh
, s
);
1605 qemu_bh_schedule(s
->bh
);
1609 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
1611 return s
->chr_write(s
, buf
, len
);
1614 int qemu_chr_ioctl(CharDriverState
*s
, int cmd
, void *arg
)
1618 return s
->chr_ioctl(s
, cmd
, arg
);
1621 int qemu_chr_can_read(CharDriverState
*s
)
1623 if (!s
->chr_can_read
)
1625 return s
->chr_can_read(s
->handler_opaque
);
1628 void qemu_chr_read(CharDriverState
*s
, uint8_t *buf
, int len
)
1630 s
->chr_read(s
->handler_opaque
, buf
, len
);
1633 void qemu_chr_accept_input(CharDriverState
*s
)
1635 if (s
->chr_accept_input
)
1636 s
->chr_accept_input(s
);
1639 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
1644 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
1645 qemu_chr_write(s
, (uint8_t *)buf
, strlen(buf
));
1649 void qemu_chr_send_event(CharDriverState
*s
, int event
)
1651 if (s
->chr_send_event
)
1652 s
->chr_send_event(s
, event
);
1655 void qemu_chr_add_handlers(CharDriverState
*s
,
1656 IOCanRWHandler
*fd_can_read
,
1657 IOReadHandler
*fd_read
,
1658 IOEventHandler
*fd_event
,
1661 s
->chr_can_read
= fd_can_read
;
1662 s
->chr_read
= fd_read
;
1663 s
->chr_event
= fd_event
;
1664 s
->handler_opaque
= opaque
;
1665 if (s
->chr_update_read_handler
)
1666 s
->chr_update_read_handler(s
);
1669 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1674 static CharDriverState
*qemu_chr_open_null(void)
1676 CharDriverState
*chr
;
1678 chr
= qemu_mallocz(sizeof(CharDriverState
));
1681 chr
->chr_write
= null_chr_write
;
1685 /* MUX driver for serial I/O splitting */
1686 static int term_timestamps
;
1687 static int64_t term_timestamps_start
;
1689 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
1690 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1692 IOCanRWHandler
*chr_can_read
[MAX_MUX
];
1693 IOReadHandler
*chr_read
[MAX_MUX
];
1694 IOEventHandler
*chr_event
[MAX_MUX
];
1695 void *ext_opaque
[MAX_MUX
];
1696 CharDriverState
*drv
;
1697 unsigned char buffer
[MUX_BUFFER_SIZE
];
1701 int term_got_escape
;
1706 static int mux_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1708 MuxDriver
*d
= chr
->opaque
;
1710 if (!term_timestamps
) {
1711 ret
= d
->drv
->chr_write(d
->drv
, buf
, len
);
1716 for(i
= 0; i
< len
; i
++) {
1717 ret
+= d
->drv
->chr_write(d
->drv
, buf
+i
, 1);
1718 if (buf
[i
] == '\n') {
1724 if (term_timestamps_start
== -1)
1725 term_timestamps_start
= ti
;
1726 ti
-= term_timestamps_start
;
1727 secs
= ti
/ 1000000000;
1728 snprintf(buf1
, sizeof(buf1
),
1729 "[%02d:%02d:%02d.%03d] ",
1733 (int)((ti
/ 1000000) % 1000));
1734 d
->drv
->chr_write(d
->drv
, (uint8_t *)buf1
, strlen(buf1
));
1741 static char *mux_help
[] = {
1742 "% h print this help\n\r",
1743 "% x exit emulator\n\r",
1744 "% s save disk data back to file (if -snapshot)\n\r",
1745 "% t toggle console timestamps\n\r"
1746 "% b send break (magic sysrq)\n\r",
1747 "% c switch between console and monitor\n\r",
1752 static int term_escape_char
= 0x01; /* ctrl-a is used for escape */
1753 static void mux_print_help(CharDriverState
*chr
)
1756 char ebuf
[15] = "Escape-Char";
1757 char cbuf
[50] = "\n\r";
1759 if (term_escape_char
> 0 && term_escape_char
< 26) {
1760 sprintf(cbuf
,"\n\r");
1761 sprintf(ebuf
,"C-%c", term_escape_char
- 1 + 'a');
1763 sprintf(cbuf
,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1766 chr
->chr_write(chr
, (uint8_t *)cbuf
, strlen(cbuf
));
1767 for (i
= 0; mux_help
[i
] != NULL
; i
++) {
1768 for (j
=0; mux_help
[i
][j
] != '\0'; j
++) {
1769 if (mux_help
[i
][j
] == '%')
1770 chr
->chr_write(chr
, (uint8_t *)ebuf
, strlen(ebuf
));
1772 chr
->chr_write(chr
, (uint8_t *)&mux_help
[i
][j
], 1);
1777 static int mux_proc_byte(CharDriverState
*chr
, MuxDriver
*d
, int ch
)
1779 if (d
->term_got_escape
) {
1780 d
->term_got_escape
= 0;
1781 if (ch
== term_escape_char
)
1786 mux_print_help(chr
);
1790 char *term
= "QEMU: Terminated\n\r";
1791 chr
->chr_write(chr
,(uint8_t *)term
,strlen(term
));
1798 for (i
= 0; i
< nb_drives
; i
++) {
1799 bdrv_commit(drives_table
[i
].bdrv
);
1804 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
1807 /* Switch to the next registered device */
1809 if (chr
->focus
>= d
->mux_cnt
)
1813 term_timestamps
= !term_timestamps
;
1814 term_timestamps_start
= -1;
1817 } else if (ch
== term_escape_char
) {
1818 d
->term_got_escape
= 1;
1826 static void mux_chr_accept_input(CharDriverState
*chr
)
1829 MuxDriver
*d
= chr
->opaque
;
1831 while (d
->prod
!= d
->cons
&&
1832 d
->chr_can_read
[m
] &&
1833 d
->chr_can_read
[m
](d
->ext_opaque
[m
])) {
1834 d
->chr_read
[m
](d
->ext_opaque
[m
],
1835 &d
->buffer
[d
->cons
++ & MUX_BUFFER_MASK
], 1);
1839 static int mux_chr_can_read(void *opaque
)
1841 CharDriverState
*chr
= opaque
;
1842 MuxDriver
*d
= chr
->opaque
;
1844 if ((d
->prod
- d
->cons
) < MUX_BUFFER_SIZE
)
1846 if (d
->chr_can_read
[chr
->focus
])
1847 return d
->chr_can_read
[chr
->focus
](d
->ext_opaque
[chr
->focus
]);
1851 static void mux_chr_read(void *opaque
, const uint8_t *buf
, int size
)
1853 CharDriverState
*chr
= opaque
;
1854 MuxDriver
*d
= chr
->opaque
;
1858 mux_chr_accept_input (opaque
);
1860 for(i
= 0; i
< size
; i
++)
1861 if (mux_proc_byte(chr
, d
, buf
[i
])) {
1862 if (d
->prod
== d
->cons
&&
1863 d
->chr_can_read
[m
] &&
1864 d
->chr_can_read
[m
](d
->ext_opaque
[m
]))
1865 d
->chr_read
[m
](d
->ext_opaque
[m
], &buf
[i
], 1);
1867 d
->buffer
[d
->prod
++ & MUX_BUFFER_MASK
] = buf
[i
];
1871 static void mux_chr_event(void *opaque
, int event
)
1873 CharDriverState
*chr
= opaque
;
1874 MuxDriver
*d
= chr
->opaque
;
1877 /* Send the event to all registered listeners */
1878 for (i
= 0; i
< d
->mux_cnt
; i
++)
1879 if (d
->chr_event
[i
])
1880 d
->chr_event
[i
](d
->ext_opaque
[i
], event
);
1883 static void mux_chr_update_read_handler(CharDriverState
*chr
)
1885 MuxDriver
*d
= chr
->opaque
;
1887 if (d
->mux_cnt
>= MAX_MUX
) {
1888 fprintf(stderr
, "Cannot add I/O handlers, MUX array is full\n");
1891 d
->ext_opaque
[d
->mux_cnt
] = chr
->handler_opaque
;
1892 d
->chr_can_read
[d
->mux_cnt
] = chr
->chr_can_read
;
1893 d
->chr_read
[d
->mux_cnt
] = chr
->chr_read
;
1894 d
->chr_event
[d
->mux_cnt
] = chr
->chr_event
;
1895 /* Fix up the real driver with mux routines */
1896 if (d
->mux_cnt
== 0) {
1897 qemu_chr_add_handlers(d
->drv
, mux_chr_can_read
, mux_chr_read
,
1898 mux_chr_event
, chr
);
1900 chr
->focus
= d
->mux_cnt
;
1904 static CharDriverState
*qemu_chr_open_mux(CharDriverState
*drv
)
1906 CharDriverState
*chr
;
1909 chr
= qemu_mallocz(sizeof(CharDriverState
));
1912 d
= qemu_mallocz(sizeof(MuxDriver
));
1921 chr
->chr_write
= mux_chr_write
;
1922 chr
->chr_update_read_handler
= mux_chr_update_read_handler
;
1923 chr
->chr_accept_input
= mux_chr_accept_input
;
1930 static void socket_cleanup(void)
1935 static int socket_init(void)
1940 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1942 err
= WSAGetLastError();
1943 fprintf(stderr
, "WSAStartup: %d\n", err
);
1946 atexit(socket_cleanup
);
1950 static int send_all(int fd
, const uint8_t *buf
, int len1
)
1956 ret
= send(fd
, buf
, len
, 0);
1959 errno
= WSAGetLastError();
1960 if (errno
!= WSAEWOULDBLOCK
) {
1963 } else if (ret
== 0) {
1973 void socket_set_nonblock(int fd
)
1975 unsigned long opt
= 1;
1976 ioctlsocket(fd
, FIONBIO
, &opt
);
1981 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
1987 ret
= write(fd
, buf
, len
);
1989 if (errno
!= EINTR
&& errno
!= EAGAIN
)
1991 } else if (ret
== 0) {
2001 static inline int send_all(int fd
, const uint8_t *buf
, int len1
)
2003 return unix_write(fd
, buf
, len1
);
2006 void socket_set_nonblock(int fd
)
2008 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2010 #endif /* !_WIN32 */
2019 #define STDIO_MAX_CLIENTS 1
2020 static int stdio_nb_clients
= 0;
2022 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2024 FDCharDriver
*s
= chr
->opaque
;
2025 return unix_write(s
->fd_out
, buf
, len
);
2028 static int fd_chr_read_poll(void *opaque
)
2030 CharDriverState
*chr
= opaque
;
2031 FDCharDriver
*s
= chr
->opaque
;
2033 s
->max_size
= qemu_chr_can_read(chr
);
2037 static void fd_chr_read(void *opaque
)
2039 CharDriverState
*chr
= opaque
;
2040 FDCharDriver
*s
= chr
->opaque
;
2045 if (len
> s
->max_size
)
2049 size
= read(s
->fd_in
, buf
, len
);
2051 /* FD has been closed. Remove it from the active list. */
2052 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
2056 qemu_chr_read(chr
, buf
, size
);
2060 static void fd_chr_update_read_handler(CharDriverState
*chr
)
2062 FDCharDriver
*s
= chr
->opaque
;
2064 if (s
->fd_in
>= 0) {
2065 if (nographic
&& s
->fd_in
== 0) {
2067 qemu_set_fd_handler2(s
->fd_in
, fd_chr_read_poll
,
2068 fd_chr_read
, NULL
, chr
);
2073 /* open a character device to a unix fd */
2074 static CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
2076 CharDriverState
*chr
;
2079 chr
= qemu_mallocz(sizeof(CharDriverState
));
2082 s
= qemu_mallocz(sizeof(FDCharDriver
));
2090 chr
->chr_write
= fd_chr_write
;
2091 chr
->chr_update_read_handler
= fd_chr_update_read_handler
;
2093 qemu_chr_reset(chr
);
2098 static CharDriverState
*qemu_chr_open_file_out(const char *file_out
)
2102 TFR(fd_out
= open(file_out
, O_WRONLY
| O_TRUNC
| O_CREAT
| O_BINARY
, 0666));
2105 return qemu_chr_open_fd(-1, fd_out
);
2108 static CharDriverState
*qemu_chr_open_pipe(const char *filename
)
2111 char filename_in
[256], filename_out
[256];
2113 snprintf(filename_in
, 256, "%s.in", filename
);
2114 snprintf(filename_out
, 256, "%s.out", filename
);
2115 TFR(fd_in
= open(filename_in
, O_RDWR
| O_BINARY
));
2116 TFR(fd_out
= open(filename_out
, O_RDWR
| O_BINARY
));
2117 if (fd_in
< 0 || fd_out
< 0) {
2122 TFR(fd_in
= fd_out
= open(filename
, O_RDWR
| O_BINARY
));
2126 return qemu_chr_open_fd(fd_in
, fd_out
);
2130 /* for STDIO, we handle the case where several clients use it
2133 #define TERM_FIFO_MAX_SIZE 1
2135 static uint8_t term_fifo
[TERM_FIFO_MAX_SIZE
];
2136 static int term_fifo_size
;
2138 static int stdio_read_poll(void *opaque
)
2140 CharDriverState
*chr
= opaque
;
2142 /* try to flush the queue if needed */
2143 if (term_fifo_size
!= 0 && qemu_chr_can_read(chr
) > 0) {
2144 qemu_chr_read(chr
, term_fifo
, 1);
2147 /* see if we can absorb more chars */
2148 if (term_fifo_size
== 0)
2154 static void stdio_read(void *opaque
)
2158 CharDriverState
*chr
= opaque
;
2160 size
= read(0, buf
, 1);
2162 /* stdin has been closed. Remove it from the active list. */
2163 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
2167 if (qemu_chr_can_read(chr
) > 0) {
2168 qemu_chr_read(chr
, buf
, 1);
2169 } else if (term_fifo_size
== 0) {
2170 term_fifo
[term_fifo_size
++] = buf
[0];
2175 /* init terminal so that we can grab keys */
2176 static struct termios oldtty
;
2177 static int old_fd0_flags
;
2179 static void term_exit(void)
2181 tcsetattr (0, TCSANOW
, &oldtty
);
2182 fcntl(0, F_SETFL
, old_fd0_flags
);
2185 static void term_init(void)
2189 tcgetattr (0, &tty
);
2191 old_fd0_flags
= fcntl(0, F_GETFL
);
2193 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2194 |INLCR
|IGNCR
|ICRNL
|IXON
);
2195 tty
.c_oflag
|= OPOST
;
2196 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
2197 /* if graphical mode, we allow Ctrl-C handling */
2199 tty
.c_lflag
&= ~ISIG
;
2200 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
2203 tty
.c_cc
[VTIME
] = 0;
2205 tcsetattr (0, TCSANOW
, &tty
);
2209 fcntl(0, F_SETFL
, O_NONBLOCK
);
2212 static CharDriverState
*qemu_chr_open_stdio(void)
2214 CharDriverState
*chr
;
2216 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
2218 chr
= qemu_chr_open_fd(0, 1);
2219 qemu_set_fd_handler2(0, stdio_read_poll
, stdio_read
, NULL
, chr
);
2226 #if defined(__linux__) || defined(__sun__)
2227 static CharDriverState
*qemu_chr_open_pty(void)
2230 char slave_name
[1024];
2231 int master_fd
, slave_fd
;
2233 #if defined(__linux__)
2234 /* Not satisfying */
2235 if (openpty(&master_fd
, &slave_fd
, slave_name
, NULL
, NULL
) < 0) {
2240 /* Disabling local echo and line-buffered output */
2241 tcgetattr (master_fd
, &tty
);
2242 tty
.c_lflag
&= ~(ECHO
|ICANON
|ISIG
);
2244 tty
.c_cc
[VTIME
] = 0;
2245 tcsetattr (master_fd
, TCSAFLUSH
, &tty
);
2247 fprintf(stderr
, "char device redirected to %s\n", slave_name
);
2248 return qemu_chr_open_fd(master_fd
, master_fd
);
2251 static void tty_serial_init(int fd
, int speed
,
2252 int parity
, int data_bits
, int stop_bits
)
2258 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2259 speed
, parity
, data_bits
, stop_bits
);
2261 tcgetattr (fd
, &tty
);
2303 cfsetispeed(&tty
, spd
);
2304 cfsetospeed(&tty
, spd
);
2306 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
2307 |INLCR
|IGNCR
|ICRNL
|IXON
);
2308 tty
.c_oflag
|= OPOST
;
2309 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
|ISIG
);
2310 tty
.c_cflag
&= ~(CSIZE
|PARENB
|PARODD
|CRTSCTS
|CSTOPB
);
2331 tty
.c_cflag
|= PARENB
;
2334 tty
.c_cflag
|= PARENB
| PARODD
;
2338 tty
.c_cflag
|= CSTOPB
;
2340 tcsetattr (fd
, TCSANOW
, &tty
);
2343 static int tty_serial_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2345 FDCharDriver
*s
= chr
->opaque
;
2348 case CHR_IOCTL_SERIAL_SET_PARAMS
:
2350 QEMUSerialSetParams
*ssp
= arg
;
2351 tty_serial_init(s
->fd_in
, ssp
->speed
, ssp
->parity
,
2352 ssp
->data_bits
, ssp
->stop_bits
);
2355 case CHR_IOCTL_SERIAL_SET_BREAK
:
2357 int enable
= *(int *)arg
;
2359 tcsendbreak(s
->fd_in
, 1);
2368 static CharDriverState
*qemu_chr_open_tty(const char *filename
)
2370 CharDriverState
*chr
;
2373 TFR(fd
= open(filename
, O_RDWR
| O_NONBLOCK
));
2374 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
2375 tty_serial_init(fd
, 115200, 'N', 8, 1);
2376 chr
= qemu_chr_open_fd(fd
, fd
);
2381 chr
->chr_ioctl
= tty_serial_ioctl
;
2382 qemu_chr_reset(chr
);
2385 #else /* ! __linux__ && ! __sun__ */
2386 static CharDriverState
*qemu_chr_open_pty(void)
2390 #endif /* __linux__ || __sun__ */
2392 #if defined(__linux__)
2396 } ParallelCharDriver
;
2398 static int pp_hw_mode(ParallelCharDriver
*s
, uint16_t mode
)
2400 if (s
->mode
!= mode
) {
2402 if (ioctl(s
->fd
, PPSETMODE
, &m
) < 0)
2409 static int pp_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
2411 ParallelCharDriver
*drv
= chr
->opaque
;
2416 case CHR_IOCTL_PP_READ_DATA
:
2417 if (ioctl(fd
, PPRDATA
, &b
) < 0)
2419 *(uint8_t *)arg
= b
;
2421 case CHR_IOCTL_PP_WRITE_DATA
:
2422 b
= *(uint8_t *)arg
;
2423 if (ioctl(fd
, PPWDATA
, &b
) < 0)
2426 case CHR_IOCTL_PP_READ_CONTROL
:
2427 if (ioctl(fd
, PPRCONTROL
, &b
) < 0)
2429 /* Linux gives only the lowest bits, and no way to know data
2430 direction! For better compatibility set the fixed upper
2432 *(uint8_t *)arg
= b
| 0xc0;
2434 case CHR_IOCTL_PP_WRITE_CONTROL
:
2435 b
= *(uint8_t *)arg
;
2436 if (ioctl(fd
, PPWCONTROL
, &b
) < 0)
2439 case CHR_IOCTL_PP_READ_STATUS
:
2440 if (ioctl(fd
, PPRSTATUS
, &b
) < 0)
2442 *(uint8_t *)arg
= b
;
2444 case CHR_IOCTL_PP_EPP_READ_ADDR
:
2445 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2446 struct ParallelIOArg
*parg
= arg
;
2447 int n
= read(fd
, parg
->buffer
, parg
->count
);
2448 if (n
!= parg
->count
) {
2453 case CHR_IOCTL_PP_EPP_READ
:
2454 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2455 struct ParallelIOArg
*parg
= arg
;
2456 int n
= read(fd
, parg
->buffer
, parg
->count
);
2457 if (n
!= parg
->count
) {
2462 case CHR_IOCTL_PP_EPP_WRITE_ADDR
:
2463 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
2464 struct ParallelIOArg
*parg
= arg
;
2465 int n
= write(fd
, parg
->buffer
, parg
->count
);
2466 if (n
!= parg
->count
) {
2471 case CHR_IOCTL_PP_EPP_WRITE
:
2472 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
2473 struct ParallelIOArg
*parg
= arg
;
2474 int n
= write(fd
, parg
->buffer
, parg
->count
);
2475 if (n
!= parg
->count
) {
2486 static void pp_close(CharDriverState
*chr
)
2488 ParallelCharDriver
*drv
= chr
->opaque
;
2491 pp_hw_mode(drv
, IEEE1284_MODE_COMPAT
);
2492 ioctl(fd
, PPRELEASE
);
2497 static CharDriverState
*qemu_chr_open_pp(const char *filename
)
2499 CharDriverState
*chr
;
2500 ParallelCharDriver
*drv
;
2503 TFR(fd
= open(filename
, O_RDWR
));
2507 if (ioctl(fd
, PPCLAIM
) < 0) {
2512 drv
= qemu_mallocz(sizeof(ParallelCharDriver
));
2518 drv
->mode
= IEEE1284_MODE_COMPAT
;
2520 chr
= qemu_mallocz(sizeof(CharDriverState
));
2526 chr
->chr_write
= null_chr_write
;
2527 chr
->chr_ioctl
= pp_ioctl
;
2528 chr
->chr_close
= pp_close
;
2531 qemu_chr_reset(chr
);
2535 #endif /* __linux__ */
2541 HANDLE hcom
, hrecv
, hsend
;
2542 OVERLAPPED orecv
, osend
;
2547 #define NSENDBUF 2048
2548 #define NRECVBUF 2048
2549 #define MAXCONNECT 1
2550 #define NTIMEOUT 5000
2552 static int win_chr_poll(void *opaque
);
2553 static int win_chr_pipe_poll(void *opaque
);
2555 static void win_chr_close(CharDriverState
*chr
)
2557 WinCharState
*s
= chr
->opaque
;
2560 CloseHandle(s
->hsend
);
2564 CloseHandle(s
->hrecv
);
2568 CloseHandle(s
->hcom
);
2572 qemu_del_polling_cb(win_chr_pipe_poll
, chr
);
2574 qemu_del_polling_cb(win_chr_poll
, chr
);
2577 static int win_chr_init(CharDriverState
*chr
, const char *filename
)
2579 WinCharState
*s
= chr
->opaque
;
2581 COMMTIMEOUTS cto
= { 0, 0, 0, 0, 0};
2586 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2588 fprintf(stderr
, "Failed CreateEvent\n");
2591 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2593 fprintf(stderr
, "Failed CreateEvent\n");
2597 s
->hcom
= CreateFile(filename
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
,
2598 OPEN_EXISTING
, FILE_FLAG_OVERLAPPED
, 0);
2599 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2600 fprintf(stderr
, "Failed CreateFile (%lu)\n", GetLastError());
2605 if (!SetupComm(s
->hcom
, NRECVBUF
, NSENDBUF
)) {
2606 fprintf(stderr
, "Failed SetupComm\n");
2610 ZeroMemory(&comcfg
, sizeof(COMMCONFIG
));
2611 size
= sizeof(COMMCONFIG
);
2612 GetDefaultCommConfig(filename
, &comcfg
, &size
);
2613 comcfg
.dcb
.DCBlength
= sizeof(DCB
);
2614 CommConfigDialog(filename
, NULL
, &comcfg
);
2616 if (!SetCommState(s
->hcom
, &comcfg
.dcb
)) {
2617 fprintf(stderr
, "Failed SetCommState\n");
2621 if (!SetCommMask(s
->hcom
, EV_ERR
)) {
2622 fprintf(stderr
, "Failed SetCommMask\n");
2626 cto
.ReadIntervalTimeout
= MAXDWORD
;
2627 if (!SetCommTimeouts(s
->hcom
, &cto
)) {
2628 fprintf(stderr
, "Failed SetCommTimeouts\n");
2632 if (!ClearCommError(s
->hcom
, &err
, &comstat
)) {
2633 fprintf(stderr
, "Failed ClearCommError\n");
2636 qemu_add_polling_cb(win_chr_poll
, chr
);
2644 static int win_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len1
)
2646 WinCharState
*s
= chr
->opaque
;
2647 DWORD len
, ret
, size
, err
;
2650 ZeroMemory(&s
->osend
, sizeof(s
->osend
));
2651 s
->osend
.hEvent
= s
->hsend
;
2654 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, &s
->osend
);
2656 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, NULL
);
2658 err
= GetLastError();
2659 if (err
== ERROR_IO_PENDING
) {
2660 ret
= GetOverlappedResult(s
->hcom
, &s
->osend
, &size
, TRUE
);
2678 static int win_chr_read_poll(CharDriverState
*chr
)
2680 WinCharState
*s
= chr
->opaque
;
2682 s
->max_size
= qemu_chr_can_read(chr
);
2686 static void win_chr_readfile(CharDriverState
*chr
)
2688 WinCharState
*s
= chr
->opaque
;
2693 ZeroMemory(&s
->orecv
, sizeof(s
->orecv
));
2694 s
->orecv
.hEvent
= s
->hrecv
;
2695 ret
= ReadFile(s
->hcom
, buf
, s
->len
, &size
, &s
->orecv
);
2697 err
= GetLastError();
2698 if (err
== ERROR_IO_PENDING
) {
2699 ret
= GetOverlappedResult(s
->hcom
, &s
->orecv
, &size
, TRUE
);
2704 qemu_chr_read(chr
, buf
, size
);
2708 static void win_chr_read(CharDriverState
*chr
)
2710 WinCharState
*s
= chr
->opaque
;
2712 if (s
->len
> s
->max_size
)
2713 s
->len
= s
->max_size
;
2717 win_chr_readfile(chr
);
2720 static int win_chr_poll(void *opaque
)
2722 CharDriverState
*chr
= opaque
;
2723 WinCharState
*s
= chr
->opaque
;
2727 ClearCommError(s
->hcom
, &comerr
, &status
);
2728 if (status
.cbInQue
> 0) {
2729 s
->len
= status
.cbInQue
;
2730 win_chr_read_poll(chr
);
2737 static CharDriverState
*qemu_chr_open_win(const char *filename
)
2739 CharDriverState
*chr
;
2742 chr
= qemu_mallocz(sizeof(CharDriverState
));
2745 s
= qemu_mallocz(sizeof(WinCharState
));
2751 chr
->chr_write
= win_chr_write
;
2752 chr
->chr_close
= win_chr_close
;
2754 if (win_chr_init(chr
, filename
) < 0) {
2759 qemu_chr_reset(chr
);
2763 static int win_chr_pipe_poll(void *opaque
)
2765 CharDriverState
*chr
= opaque
;
2766 WinCharState
*s
= chr
->opaque
;
2769 PeekNamedPipe(s
->hcom
, NULL
, 0, NULL
, &size
, NULL
);
2772 win_chr_read_poll(chr
);
2779 static int win_chr_pipe_init(CharDriverState
*chr
, const char *filename
)
2781 WinCharState
*s
= chr
->opaque
;
2789 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2791 fprintf(stderr
, "Failed CreateEvent\n");
2794 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2796 fprintf(stderr
, "Failed CreateEvent\n");
2800 snprintf(openname
, sizeof(openname
), "\\\\.\\pipe\\%s", filename
);
2801 s
->hcom
= CreateNamedPipe(openname
, PIPE_ACCESS_DUPLEX
| FILE_FLAG_OVERLAPPED
,
2802 PIPE_TYPE_BYTE
| PIPE_READMODE_BYTE
|
2804 MAXCONNECT
, NSENDBUF
, NRECVBUF
, NTIMEOUT
, NULL
);
2805 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
2806 fprintf(stderr
, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2811 ZeroMemory(&ov
, sizeof(ov
));
2812 ov
.hEvent
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
2813 ret
= ConnectNamedPipe(s
->hcom
, &ov
);
2815 fprintf(stderr
, "Failed ConnectNamedPipe\n");
2819 ret
= GetOverlappedResult(s
->hcom
, &ov
, &size
, TRUE
);
2821 fprintf(stderr
, "Failed GetOverlappedResult\n");
2823 CloseHandle(ov
.hEvent
);
2830 CloseHandle(ov
.hEvent
);
2833 qemu_add_polling_cb(win_chr_pipe_poll
, chr
);
2842 static CharDriverState
*qemu_chr_open_win_pipe(const char *filename
)
2844 CharDriverState
*chr
;
2847 chr
= qemu_mallocz(sizeof(CharDriverState
));
2850 s
= qemu_mallocz(sizeof(WinCharState
));
2856 chr
->chr_write
= win_chr_write
;
2857 chr
->chr_close
= win_chr_close
;
2859 if (win_chr_pipe_init(chr
, filename
) < 0) {
2864 qemu_chr_reset(chr
);
2868 static CharDriverState
*qemu_chr_open_win_file(HANDLE fd_out
)
2870 CharDriverState
*chr
;
2873 chr
= qemu_mallocz(sizeof(CharDriverState
));
2876 s
= qemu_mallocz(sizeof(WinCharState
));
2883 chr
->chr_write
= win_chr_write
;
2884 qemu_chr_reset(chr
);
2888 static CharDriverState
*qemu_chr_open_win_con(const char *filename
)
2890 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE
));
2893 static CharDriverState
*qemu_chr_open_win_file_out(const char *file_out
)
2897 fd_out
= CreateFile(file_out
, GENERIC_WRITE
, FILE_SHARE_READ
, NULL
,
2898 OPEN_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL
);
2899 if (fd_out
== INVALID_HANDLE_VALUE
)
2902 return qemu_chr_open_win_file(fd_out
);
2904 #endif /* !_WIN32 */
2906 /***********************************************************/
2907 /* UDP Net console */
2911 struct sockaddr_in daddr
;
2918 static int udp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
2920 NetCharDriver
*s
= chr
->opaque
;
2922 return sendto(s
->fd
, buf
, len
, 0,
2923 (struct sockaddr
*)&s
->daddr
, sizeof(struct sockaddr_in
));
2926 static int udp_chr_read_poll(void *opaque
)
2928 CharDriverState
*chr
= opaque
;
2929 NetCharDriver
*s
= chr
->opaque
;
2931 s
->max_size
= qemu_chr_can_read(chr
);
2933 /* If there were any stray characters in the queue process them
2936 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
2937 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
2939 s
->max_size
= qemu_chr_can_read(chr
);
2944 static void udp_chr_read(void *opaque
)
2946 CharDriverState
*chr
= opaque
;
2947 NetCharDriver
*s
= chr
->opaque
;
2949 if (s
->max_size
== 0)
2951 s
->bufcnt
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
2952 s
->bufptr
= s
->bufcnt
;
2957 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
2958 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
2960 s
->max_size
= qemu_chr_can_read(chr
);
2964 static void udp_chr_update_read_handler(CharDriverState
*chr
)
2966 NetCharDriver
*s
= chr
->opaque
;
2969 qemu_set_fd_handler2(s
->fd
, udp_chr_read_poll
,
2970 udp_chr_read
, NULL
, chr
);
2975 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
);
2977 int parse_host_src_port(struct sockaddr_in
*haddr
,
2978 struct sockaddr_in
*saddr
,
2981 static CharDriverState
*qemu_chr_open_udp(const char *def
)
2983 CharDriverState
*chr
= NULL
;
2984 NetCharDriver
*s
= NULL
;
2986 struct sockaddr_in saddr
;
2988 chr
= qemu_mallocz(sizeof(CharDriverState
));
2991 s
= qemu_mallocz(sizeof(NetCharDriver
));
2995 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
2997 perror("socket(PF_INET, SOCK_DGRAM)");
3001 if (parse_host_src_port(&s
->daddr
, &saddr
, def
) < 0) {
3002 printf("Could not parse: %s\n", def
);
3006 if (bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
)) < 0)
3016 chr
->chr_write
= udp_chr_write
;
3017 chr
->chr_update_read_handler
= udp_chr_update_read_handler
;
3030 /***********************************************************/
3031 /* TCP Net console */
3042 static void tcp_chr_accept(void *opaque
);
3044 static int tcp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
3046 TCPCharDriver
*s
= chr
->opaque
;
3048 return send_all(s
->fd
, buf
, len
);
3050 /* XXX: indicate an error ? */
3055 static int tcp_chr_read_poll(void *opaque
)
3057 CharDriverState
*chr
= opaque
;
3058 TCPCharDriver
*s
= chr
->opaque
;
3061 s
->max_size
= qemu_chr_can_read(chr
);
3066 #define IAC_BREAK 243
3067 static void tcp_chr_process_IAC_bytes(CharDriverState
*chr
,
3069 uint8_t *buf
, int *size
)
3071 /* Handle any telnet client's basic IAC options to satisfy char by
3072 * char mode with no echo. All IAC options will be removed from
3073 * the buf and the do_telnetopt variable will be used to track the
3074 * state of the width of the IAC information.
3076 * IAC commands come in sets of 3 bytes with the exception of the
3077 * "IAC BREAK" command and the double IAC.
3083 for (i
= 0; i
< *size
; i
++) {
3084 if (s
->do_telnetopt
> 1) {
3085 if ((unsigned char)buf
[i
] == IAC
&& s
->do_telnetopt
== 2) {
3086 /* Double IAC means send an IAC */
3090 s
->do_telnetopt
= 1;
3092 if ((unsigned char)buf
[i
] == IAC_BREAK
&& s
->do_telnetopt
== 2) {
3093 /* Handle IAC break commands by sending a serial break */
3094 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
3099 if (s
->do_telnetopt
>= 4) {
3100 s
->do_telnetopt
= 1;
3103 if ((unsigned char)buf
[i
] == IAC
) {
3104 s
->do_telnetopt
= 2;
3115 static void tcp_chr_read(void *opaque
)
3117 CharDriverState
*chr
= opaque
;
3118 TCPCharDriver
*s
= chr
->opaque
;
3122 if (!s
->connected
|| s
->max_size
<= 0)
3125 if (len
> s
->max_size
)
3127 size
= recv(s
->fd
, buf
, len
, 0);
3129 /* connection closed */
3131 if (s
->listen_fd
>= 0) {
3132 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3134 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
3137 } else if (size
> 0) {
3138 if (s
->do_telnetopt
)
3139 tcp_chr_process_IAC_bytes(chr
, s
, buf
, &size
);
3141 qemu_chr_read(chr
, buf
, size
);
3145 static void tcp_chr_connect(void *opaque
)
3147 CharDriverState
*chr
= opaque
;
3148 TCPCharDriver
*s
= chr
->opaque
;
3151 qemu_set_fd_handler2(s
->fd
, tcp_chr_read_poll
,
3152 tcp_chr_read
, NULL
, chr
);
3153 qemu_chr_reset(chr
);
3156 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3157 static void tcp_chr_telnet_init(int fd
)
3160 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3161 IACSET(buf
, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
3162 send(fd
, (char *)buf
, 3, 0);
3163 IACSET(buf
, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
3164 send(fd
, (char *)buf
, 3, 0);
3165 IACSET(buf
, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
3166 send(fd
, (char *)buf
, 3, 0);
3167 IACSET(buf
, 0xff, 0xfd, 0x00); /* IAC DO Binary */
3168 send(fd
, (char *)buf
, 3, 0);
3171 static void socket_set_nodelay(int fd
)
3174 setsockopt(fd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&val
, sizeof(val
));
3177 static void tcp_chr_accept(void *opaque
)
3179 CharDriverState
*chr
= opaque
;
3180 TCPCharDriver
*s
= chr
->opaque
;
3181 struct sockaddr_in saddr
;
3183 struct sockaddr_un uaddr
;
3185 struct sockaddr
*addr
;
3192 len
= sizeof(uaddr
);
3193 addr
= (struct sockaddr
*)&uaddr
;
3197 len
= sizeof(saddr
);
3198 addr
= (struct sockaddr
*)&saddr
;
3200 fd
= accept(s
->listen_fd
, addr
, &len
);
3201 if (fd
< 0 && errno
!= EINTR
) {
3203 } else if (fd
>= 0) {
3204 if (s
->do_telnetopt
)
3205 tcp_chr_telnet_init(fd
);
3209 socket_set_nonblock(fd
);
3211 socket_set_nodelay(fd
);
3213 qemu_set_fd_handler(s
->listen_fd
, NULL
, NULL
, NULL
);
3214 tcp_chr_connect(chr
);
3217 static void tcp_chr_close(CharDriverState
*chr
)
3219 TCPCharDriver
*s
= chr
->opaque
;
3222 if (s
->listen_fd
>= 0)
3223 closesocket(s
->listen_fd
);
3227 static CharDriverState
*qemu_chr_open_tcp(const char *host_str
,
3231 CharDriverState
*chr
= NULL
;
3232 TCPCharDriver
*s
= NULL
;
3233 int fd
= -1, ret
, err
, val
;
3235 int is_waitconnect
= 1;
3238 struct sockaddr_in saddr
;
3240 struct sockaddr_un uaddr
;
3242 struct sockaddr
*addr
;
3247 addr
= (struct sockaddr
*)&uaddr
;
3248 addrlen
= sizeof(uaddr
);
3249 if (parse_unix_path(&uaddr
, host_str
) < 0)
3254 addr
= (struct sockaddr
*)&saddr
;
3255 addrlen
= sizeof(saddr
);
3256 if (parse_host_port(&saddr
, host_str
) < 0)
3261 while((ptr
= strchr(ptr
,','))) {
3263 if (!strncmp(ptr
,"server",6)) {
3265 } else if (!strncmp(ptr
,"nowait",6)) {
3267 } else if (!strncmp(ptr
,"nodelay",6)) {
3270 printf("Unknown option: %s\n", ptr
);
3277 chr
= qemu_mallocz(sizeof(CharDriverState
));
3280 s
= qemu_mallocz(sizeof(TCPCharDriver
));
3286 fd
= socket(PF_UNIX
, SOCK_STREAM
, 0);
3289 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
3294 if (!is_waitconnect
)
3295 socket_set_nonblock(fd
);
3300 s
->is_unix
= is_unix
;
3301 s
->do_nodelay
= do_nodelay
&& !is_unix
;
3304 chr
->chr_write
= tcp_chr_write
;
3305 chr
->chr_close
= tcp_chr_close
;
3308 /* allow fast reuse */
3312 strncpy(path
, uaddr
.sun_path
, 108);
3319 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
3322 ret
= bind(fd
, addr
, addrlen
);
3326 ret
= listen(fd
, 0);
3331 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
3333 s
->do_telnetopt
= 1;
3336 ret
= connect(fd
, addr
, addrlen
);
3338 err
= socket_error();
3339 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
3340 } else if (err
== EINPROGRESS
) {
3343 } else if (err
== WSAEALREADY
) {
3355 socket_set_nodelay(fd
);
3357 tcp_chr_connect(chr
);
3359 qemu_set_fd_handler(s
->fd
, NULL
, tcp_chr_connect
, chr
);
3362 if (is_listen
&& is_waitconnect
) {
3363 printf("QEMU waiting for connection on: %s\n", host_str
);
3364 tcp_chr_accept(chr
);
3365 socket_set_nonblock(s
->listen_fd
);
3377 CharDriverState
*qemu_chr_open(const char *filename
)
3381 if (!strcmp(filename
, "vc")) {
3382 return text_console_init(&display_state
, 0);
3383 } else if (strstart(filename
, "vc:", &p
)) {
3384 return text_console_init(&display_state
, p
);
3385 } else if (!strcmp(filename
, "null")) {
3386 return qemu_chr_open_null();
3388 if (strstart(filename
, "tcp:", &p
)) {
3389 return qemu_chr_open_tcp(p
, 0, 0);
3391 if (strstart(filename
, "telnet:", &p
)) {
3392 return qemu_chr_open_tcp(p
, 1, 0);
3394 if (strstart(filename
, "udp:", &p
)) {
3395 return qemu_chr_open_udp(p
);
3397 if (strstart(filename
, "mon:", &p
)) {
3398 CharDriverState
*drv
= qemu_chr_open(p
);
3400 drv
= qemu_chr_open_mux(drv
);
3401 monitor_init(drv
, !nographic
);
3404 printf("Unable to open driver: %s\n", p
);
3408 if (strstart(filename
, "unix:", &p
)) {
3409 return qemu_chr_open_tcp(p
, 0, 1);
3410 } else if (strstart(filename
, "file:", &p
)) {
3411 return qemu_chr_open_file_out(p
);
3412 } else if (strstart(filename
, "pipe:", &p
)) {
3413 return qemu_chr_open_pipe(p
);
3414 } else if (!strcmp(filename
, "pty")) {
3415 return qemu_chr_open_pty();
3416 } else if (!strcmp(filename
, "stdio")) {
3417 return qemu_chr_open_stdio();
3419 #if defined(__linux__)
3420 if (strstart(filename
, "/dev/parport", NULL
)) {
3421 return qemu_chr_open_pp(filename
);
3424 #if defined(__linux__) || defined(__sun__)
3425 if (strstart(filename
, "/dev/", NULL
)) {
3426 return qemu_chr_open_tty(filename
);
3430 if (strstart(filename
, "COM", NULL
)) {
3431 return qemu_chr_open_win(filename
);
3433 if (strstart(filename
, "pipe:", &p
)) {
3434 return qemu_chr_open_win_pipe(p
);
3436 if (strstart(filename
, "con:", NULL
)) {
3437 return qemu_chr_open_win_con(filename
);
3439 if (strstart(filename
, "file:", &p
)) {
3440 return qemu_chr_open_win_file_out(p
);
3448 void qemu_chr_close(CharDriverState
*chr
)
3451 chr
->chr_close(chr
);
3454 /***********************************************************/
3455 /* network device redirectors */
3457 __attribute__ (( unused
))
3458 static void hex_dump(FILE *f
, const uint8_t *buf
, int size
)
3462 for(i
=0;i
<size
;i
+=16) {
3466 fprintf(f
, "%08x ", i
);
3469 fprintf(f
, " %02x", buf
[i
+j
]);
3474 for(j
=0;j
<len
;j
++) {
3476 if (c
< ' ' || c
> '~')
3478 fprintf(f
, "%c", c
);
3484 static int parse_macaddr(uint8_t *macaddr
, const char *p
)
3491 offset
= strtol(p
, &last_char
, 0);
3492 if (0 == errno
&& '\0' == *last_char
&&
3493 offset
>= 0 && offset
<= 0xFFFFFF) {
3494 macaddr
[3] = (offset
& 0xFF0000) >> 16;
3495 macaddr
[4] = (offset
& 0xFF00) >> 8;
3496 macaddr
[5] = offset
& 0xFF;
3499 for(i
= 0; i
< 6; i
++) {
3500 macaddr
[i
] = strtol(p
, (char **)&p
, 16);
3505 if (*p
!= ':' && *p
!= '-')
3516 static int get_str_sep(char *buf
, int buf_size
, const char **pp
, int sep
)
3521 p1
= strchr(p
, sep
);
3527 if (len
> buf_size
- 1)
3529 memcpy(buf
, p
, len
);
3536 int parse_host_src_port(struct sockaddr_in
*haddr
,
3537 struct sockaddr_in
*saddr
,
3538 const char *input_str
)
3540 char *str
= strdup(input_str
);
3541 char *host_str
= str
;
3546 * Chop off any extra arguments at the end of the string which
3547 * would start with a comma, then fill in the src port information
3548 * if it was provided else use the "any address" and "any port".
3550 if ((ptr
= strchr(str
,',')))
3553 if ((src_str
= strchr(input_str
,'@'))) {
3558 if (parse_host_port(haddr
, host_str
) < 0)
3561 if (!src_str
|| *src_str
== '\0')
3564 if (parse_host_port(saddr
, src_str
) < 0)
3575 int parse_host_port(struct sockaddr_in
*saddr
, const char *str
)
3583 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3585 saddr
->sin_family
= AF_INET
;
3586 if (buf
[0] == '\0') {
3587 saddr
->sin_addr
.s_addr
= 0;
3589 if (isdigit(buf
[0])) {
3590 if (!inet_aton(buf
, &saddr
->sin_addr
))
3593 if ((he
= gethostbyname(buf
)) == NULL
)
3595 saddr
->sin_addr
= *(struct in_addr
*)he
->h_addr
;
3598 port
= strtol(p
, (char **)&r
, 0);
3601 saddr
->sin_port
= htons(port
);
3606 static int parse_unix_path(struct sockaddr_un
*uaddr
, const char *str
)
3611 len
= MIN(108, strlen(str
));
3612 p
= strchr(str
, ',');
3614 len
= MIN(len
, p
- str
);
3616 memset(uaddr
, 0, sizeof(*uaddr
));
3618 uaddr
->sun_family
= AF_UNIX
;
3619 memcpy(uaddr
->sun_path
, str
, len
);
3625 /* find or alloc a new VLAN */
3626 VLANState
*qemu_find_vlan(int id
)
3628 VLANState
**pvlan
, *vlan
;
3629 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
3633 vlan
= qemu_mallocz(sizeof(VLANState
));
3638 pvlan
= &first_vlan
;
3639 while (*pvlan
!= NULL
)
3640 pvlan
= &(*pvlan
)->next
;
3645 VLANClientState
*qemu_new_vlan_client(VLANState
*vlan
,
3646 IOReadHandler
*fd_read
,
3647 IOCanRWHandler
*fd_can_read
,
3650 VLANClientState
*vc
, **pvc
;
3651 vc
= qemu_mallocz(sizeof(VLANClientState
));
3654 vc
->fd_read
= fd_read
;
3655 vc
->fd_can_read
= fd_can_read
;
3656 vc
->opaque
= opaque
;
3660 pvc
= &vlan
->first_client
;
3661 while (*pvc
!= NULL
)
3662 pvc
= &(*pvc
)->next
;
3667 int qemu_can_send_packet(VLANClientState
*vc1
)
3669 VLANState
*vlan
= vc1
->vlan
;
3670 VLANClientState
*vc
;
3672 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
3674 if (vc
->fd_can_read
&& vc
->fd_can_read(vc
->opaque
))
3681 void qemu_send_packet(VLANClientState
*vc1
, const uint8_t *buf
, int size
)
3683 VLANState
*vlan
= vc1
->vlan
;
3684 VLANClientState
*vc
;
3687 printf("vlan %d send:\n", vlan
->id
);
3688 hex_dump(stdout
, buf
, size
);
3690 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
3692 vc
->fd_read(vc
->opaque
, buf
, size
);
3697 #if defined(CONFIG_SLIRP)
3699 /* slirp network adapter */
3701 static int slirp_inited
;
3702 static VLANClientState
*slirp_vc
;
3704 int slirp_can_output(void)
3706 return !slirp_vc
|| qemu_can_send_packet(slirp_vc
);
3709 void slirp_output(const uint8_t *pkt
, int pkt_len
)
3712 printf("slirp output:\n");
3713 hex_dump(stdout
, pkt
, pkt_len
);
3717 qemu_send_packet(slirp_vc
, pkt
, pkt_len
);
3720 static void slirp_receive(void *opaque
, const uint8_t *buf
, int size
)
3723 printf("slirp input:\n");
3724 hex_dump(stdout
, buf
, size
);
3726 slirp_input(buf
, size
);
3729 static int net_slirp_init(VLANState
*vlan
)
3731 if (!slirp_inited
) {
3735 slirp_vc
= qemu_new_vlan_client(vlan
,
3736 slirp_receive
, NULL
, NULL
);
3737 snprintf(slirp_vc
->info_str
, sizeof(slirp_vc
->info_str
), "user redirector");
3741 static void net_slirp_redir(const char *redir_str
)
3746 struct in_addr guest_addr
;
3747 int host_port
, guest_port
;
3749 if (!slirp_inited
) {
3755 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3757 if (!strcmp(buf
, "tcp")) {
3759 } else if (!strcmp(buf
, "udp")) {
3765 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3767 host_port
= strtol(buf
, &r
, 0);
3771 if (get_str_sep(buf
, sizeof(buf
), &p
, ':') < 0)
3773 if (buf
[0] == '\0') {
3774 pstrcpy(buf
, sizeof(buf
), "10.0.2.15");
3776 if (!inet_aton(buf
, &guest_addr
))
3779 guest_port
= strtol(p
, &r
, 0);
3783 if (slirp_redir(is_udp
, host_port
, guest_addr
, guest_port
) < 0) {
3784 fprintf(stderr
, "qemu: could not set up redirection\n");
3789 fprintf(stderr
, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3797 static void smb_exit(void)
3801 char filename
[1024];
3803 /* erase all the files in the directory */
3804 d
= opendir(smb_dir
);
3809 if (strcmp(de
->d_name
, ".") != 0 &&
3810 strcmp(de
->d_name
, "..") != 0) {
3811 snprintf(filename
, sizeof(filename
), "%s/%s",
3812 smb_dir
, de
->d_name
);
3820 /* automatic user mode samba server configuration */
3821 static void net_slirp_smb(const char *exported_dir
)
3823 char smb_conf
[1024];
3824 char smb_cmdline
[1024];
3827 if (!slirp_inited
) {
3832 /* XXX: better tmp dir construction */
3833 snprintf(smb_dir
, sizeof(smb_dir
), "/tmp/qemu-smb.%d", getpid());
3834 if (mkdir(smb_dir
, 0700) < 0) {
3835 fprintf(stderr
, "qemu: could not create samba server dir '%s'\n", smb_dir
);
3838 snprintf(smb_conf
, sizeof(smb_conf
), "%s/%s", smb_dir
, "smb.conf");
3840 f
= fopen(smb_conf
, "w");
3842 fprintf(stderr
, "qemu: could not create samba server configuration file '%s'\n", smb_conf
);
3849 "socket address=127.0.0.1\n"
3850 "pid directory=%s\n"
3851 "lock directory=%s\n"
3852 "log file=%s/log.smbd\n"
3853 "smb passwd file=%s/smbpasswd\n"
3854 "security = share\n"
3869 snprintf(smb_cmdline
, sizeof(smb_cmdline
), "%s -s %s",
3870 SMBD_COMMAND
, smb_conf
);
3872 slirp_add_exec(0, smb_cmdline
, 4, 139);
3875 #endif /* !defined(_WIN32) */
3876 void do_info_slirp(void)
3881 #endif /* CONFIG_SLIRP */
3883 #if !defined(_WIN32)
3885 typedef struct TAPState
{
3886 VLANClientState
*vc
;
3888 char down_script
[1024];
3891 static void tap_receive(void *opaque
, const uint8_t *buf
, int size
)
3893 TAPState
*s
= opaque
;
3896 ret
= write(s
->fd
, buf
, size
);
3897 if (ret
< 0 && (errno
== EINTR
|| errno
== EAGAIN
)) {
3904 static void tap_send(void *opaque
)
3906 TAPState
*s
= opaque
;
3913 sbuf
.maxlen
= sizeof(buf
);
3915 size
= getmsg(s
->fd
, NULL
, &sbuf
, &f
) >=0 ? sbuf
.len
: -1;
3917 size
= read(s
->fd
, buf
, sizeof(buf
));
3920 qemu_send_packet(s
->vc
, buf
, size
);
3926 static TAPState
*net_tap_fd_init(VLANState
*vlan
, int fd
)
3930 s
= qemu_mallocz(sizeof(TAPState
));
3934 enable_sigio_timer(fd
);
3935 s
->vc
= qemu_new_vlan_client(vlan
, tap_receive
, NULL
, s
);
3936 qemu_set_fd_handler(s
->fd
, tap_send
, NULL
, s
);
3937 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
), "tap: fd=%d", fd
);
3941 #if defined (_BSD) || defined (__FreeBSD_kernel__)
3942 static int tap_open(char *ifname
, int ifname_size
)
3948 TFR(fd
= open("/dev/tap", O_RDWR
));
3950 fprintf(stderr
, "warning: could not open /dev/tap: no virtual network emulation\n");
3955 dev
= devname(s
.st_rdev
, S_IFCHR
);
3956 pstrcpy(ifname
, ifname_size
, dev
);
3958 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
3961 #elif defined(__sun__)
3962 #define TUNNEWPPA (('T'<<16) | 0x0001)
3964 * Allocate TAP device, returns opened fd.
3965 * Stores dev name in the first arg(must be large enough).
3967 int tap_alloc(char *dev
)
3969 int tap_fd
, if_fd
, ppa
= -1;
3970 static int ip_fd
= 0;
3973 static int arp_fd
= 0;
3974 int ip_muxid
, arp_muxid
;
3975 struct strioctl strioc_if
, strioc_ppa
;
3976 int link_type
= I_PLINK
;;
3978 char actual_name
[32] = "";
3980 memset(&ifr
, 0x0, sizeof(ifr
));
3984 while( *ptr
&& !isdigit((int)*ptr
) ) ptr
++;
3988 /* Check if IP device was opened */
3992 TFR(ip_fd
= open("/dev/udp", O_RDWR
, 0));
3994 syslog(LOG_ERR
, "Can't open /dev/ip (actually /dev/udp)");
3998 TFR(tap_fd
= open("/dev/tap", O_RDWR
, 0));
4000 syslog(LOG_ERR
, "Can't open /dev/tap");
4004 /* Assign a new PPA and get its unit number. */
4005 strioc_ppa
.ic_cmd
= TUNNEWPPA
;
4006 strioc_ppa
.ic_timout
= 0;
4007 strioc_ppa
.ic_len
= sizeof(ppa
);
4008 strioc_ppa
.ic_dp
= (char *)&ppa
;
4009 if ((ppa
= ioctl (tap_fd
, I_STR
, &strioc_ppa
)) < 0)
4010 syslog (LOG_ERR
, "Can't assign new interface");
4012 TFR(if_fd
= open("/dev/tap", O_RDWR
, 0));
4014 syslog(LOG_ERR
, "Can't open /dev/tap (2)");
4017 if(ioctl(if_fd
, I_PUSH
, "ip") < 0){
4018 syslog(LOG_ERR
, "Can't push IP module");
4022 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) < 0)
4023 syslog(LOG_ERR
, "Can't get flags\n");
4025 snprintf (actual_name
, 32, "tap%d", ppa
);
4026 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4029 /* Assign ppa according to the unit number returned by tun device */
4031 if (ioctl (if_fd
, SIOCSLIFNAME
, &ifr
) < 0)
4032 syslog (LOG_ERR
, "Can't set PPA %d", ppa
);
4033 if (ioctl(if_fd
, SIOCGLIFFLAGS
, &ifr
) <0)
4034 syslog (LOG_ERR
, "Can't get flags\n");
4035 /* Push arp module to if_fd */
4036 if (ioctl (if_fd
, I_PUSH
, "arp") < 0)
4037 syslog (LOG_ERR
, "Can't push ARP module (2)");
4039 /* Push arp module to ip_fd */
4040 if (ioctl (ip_fd
, I_POP
, NULL
) < 0)
4041 syslog (LOG_ERR
, "I_POP failed\n");
4042 if (ioctl (ip_fd
, I_PUSH
, "arp") < 0)
4043 syslog (LOG_ERR
, "Can't push ARP module (3)\n");
4045 TFR(arp_fd
= open ("/dev/tap", O_RDWR
, 0));
4047 syslog (LOG_ERR
, "Can't open %s\n", "/dev/tap");
4049 /* Set ifname to arp */
4050 strioc_if
.ic_cmd
= SIOCSLIFNAME
;
4051 strioc_if
.ic_timout
= 0;
4052 strioc_if
.ic_len
= sizeof(ifr
);
4053 strioc_if
.ic_dp
= (char *)&ifr
;
4054 if (ioctl(arp_fd
, I_STR
, &strioc_if
) < 0){
4055 syslog (LOG_ERR
, "Can't set ifname to arp\n");
4058 if((ip_muxid
= ioctl(ip_fd
, I_LINK
, if_fd
)) < 0){
4059 syslog(LOG_ERR
, "Can't link TAP device to IP");
4063 if ((arp_muxid
= ioctl (ip_fd
, link_type
, arp_fd
)) < 0)
4064 syslog (LOG_ERR
, "Can't link TAP device to ARP");
4068 memset(&ifr
, 0x0, sizeof(ifr
));
4069 strncpy (ifr
.lifr_name
, actual_name
, sizeof (ifr
.lifr_name
));
4070 ifr
.lifr_ip_muxid
= ip_muxid
;
4071 ifr
.lifr_arp_muxid
= arp_muxid
;
4073 if (ioctl (ip_fd
, SIOCSLIFMUXID
, &ifr
) < 0)
4075 ioctl (ip_fd
, I_PUNLINK
, arp_muxid
);
4076 ioctl (ip_fd
, I_PUNLINK
, ip_muxid
);
4077 syslog (LOG_ERR
, "Can't set multiplexor id");
4080 sprintf(dev
, "tap%d", ppa
);
4084 static int tap_open(char *ifname
, int ifname_size
)
4088 if( (fd
= tap_alloc(dev
)) < 0 ){
4089 fprintf(stderr
, "Cannot allocate TAP device\n");
4092 pstrcpy(ifname
, ifname_size
, dev
);
4093 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4097 static int tap_open(char *ifname
, int ifname_size
)
4102 TFR(fd
= open("/dev/net/tun", O_RDWR
));
4104 fprintf(stderr
, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4107 memset(&ifr
, 0, sizeof(ifr
));
4108 ifr
.ifr_flags
= IFF_TAP
| IFF_NO_PI
;
4109 if (ifname
[0] != '\0')
4110 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, ifname
);
4112 pstrcpy(ifr
.ifr_name
, IFNAMSIZ
, "tap%d");
4113 ret
= ioctl(fd
, TUNSETIFF
, (void *) &ifr
);
4115 fprintf(stderr
, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4119 pstrcpy(ifname
, ifname_size
, ifr
.ifr_name
);
4120 fcntl(fd
, F_SETFL
, O_NONBLOCK
);
4125 static int launch_script(const char *setup_script
, const char *ifname
, int fd
)
4131 /* try to launch network script */
4135 int open_max
= sysconf (_SC_OPEN_MAX
), i
;
4136 for (i
= 0; i
< open_max
; i
++)
4137 if (i
!= STDIN_FILENO
&&
4138 i
!= STDOUT_FILENO
&&
4139 i
!= STDERR_FILENO
&&
4144 *parg
++ = (char *)setup_script
;
4145 *parg
++ = (char *)ifname
;
4147 execv(setup_script
, args
);
4150 while (waitpid(pid
, &status
, 0) != pid
);
4151 if (!WIFEXITED(status
) ||
4152 WEXITSTATUS(status
) != 0) {
4153 fprintf(stderr
, "%s: could not launch network script\n",
4161 static int net_tap_init(VLANState
*vlan
, const char *ifname1
,
4162 const char *setup_script
, const char *down_script
)
4168 if (ifname1
!= NULL
)
4169 pstrcpy(ifname
, sizeof(ifname
), ifname1
);
4172 TFR(fd
= tap_open(ifname
, sizeof(ifname
)));
4176 if (!setup_script
|| !strcmp(setup_script
, "no"))
4178 if (setup_script
[0] != '\0') {
4179 if (launch_script(setup_script
, ifname
, fd
))
4182 s
= net_tap_fd_init(vlan
, fd
);
4185 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4186 "tap: ifname=%s setup_script=%s", ifname
, setup_script
);
4187 if (down_script
&& strcmp(down_script
, "no"))
4188 snprintf(s
->down_script
, sizeof(s
->down_script
), "%s", down_script
);
4192 #endif /* !_WIN32 */
4194 /* network connection */
4195 typedef struct NetSocketState
{
4196 VLANClientState
*vc
;
4198 int state
; /* 0 = getting length, 1 = getting data */
4202 struct sockaddr_in dgram_dst
; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4205 typedef struct NetSocketListenState
{
4208 } NetSocketListenState
;
4210 /* XXX: we consider we can send the whole packet without blocking */
4211 static void net_socket_receive(void *opaque
, const uint8_t *buf
, int size
)
4213 NetSocketState
*s
= opaque
;
4217 send_all(s
->fd
, (const uint8_t *)&len
, sizeof(len
));
4218 send_all(s
->fd
, buf
, size
);
4221 static void net_socket_receive_dgram(void *opaque
, const uint8_t *buf
, int size
)
4223 NetSocketState
*s
= opaque
;
4224 sendto(s
->fd
, buf
, size
, 0,
4225 (struct sockaddr
*)&s
->dgram_dst
, sizeof(s
->dgram_dst
));
4228 static void net_socket_send(void *opaque
)
4230 NetSocketState
*s
= opaque
;
4235 size
= recv(s
->fd
, buf1
, sizeof(buf1
), 0);
4237 err
= socket_error();
4238 if (err
!= EWOULDBLOCK
)
4240 } else if (size
== 0) {
4241 /* end of connection */
4243 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4249 /* reassemble a packet from the network */
4255 memcpy(s
->buf
+ s
->index
, buf
, l
);
4259 if (s
->index
== 4) {
4261 s
->packet_len
= ntohl(*(uint32_t *)s
->buf
);
4267 l
= s
->packet_len
- s
->index
;
4270 memcpy(s
->buf
+ s
->index
, buf
, l
);
4274 if (s
->index
>= s
->packet_len
) {
4275 qemu_send_packet(s
->vc
, s
->buf
, s
->packet_len
);
4284 static void net_socket_send_dgram(void *opaque
)
4286 NetSocketState
*s
= opaque
;
4289 size
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
4293 /* end of connection */
4294 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
4297 qemu_send_packet(s
->vc
, s
->buf
, size
);
4300 static int net_socket_mcast_create(struct sockaddr_in
*mcastaddr
)
4305 if (!IN_MULTICAST(ntohl(mcastaddr
->sin_addr
.s_addr
))) {
4306 fprintf(stderr
, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4307 inet_ntoa(mcastaddr
->sin_addr
),
4308 (int)ntohl(mcastaddr
->sin_addr
.s_addr
));
4312 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
4314 perror("socket(PF_INET, SOCK_DGRAM)");
4319 ret
=setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
4320 (const char *)&val
, sizeof(val
));
4322 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4326 ret
= bind(fd
, (struct sockaddr
*)mcastaddr
, sizeof(*mcastaddr
));
4332 /* Add host to multicast group */
4333 imr
.imr_multiaddr
= mcastaddr
->sin_addr
;
4334 imr
.imr_interface
.s_addr
= htonl(INADDR_ANY
);
4336 ret
= setsockopt(fd
, IPPROTO_IP
, IP_ADD_MEMBERSHIP
,
4337 (const char *)&imr
, sizeof(struct ip_mreq
));
4339 perror("setsockopt(IP_ADD_MEMBERSHIP)");
4343 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4345 ret
=setsockopt(fd
, IPPROTO_IP
, IP_MULTICAST_LOOP
,
4346 (const char *)&val
, sizeof(val
));
4348 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4352 socket_set_nonblock(fd
);
4360 static NetSocketState
*net_socket_fd_init_dgram(VLANState
*vlan
, int fd
,
4363 struct sockaddr_in saddr
;
4365 socklen_t saddr_len
;
4368 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4369 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4370 * by ONLY ONE process: we must "clone" this dgram socket --jjo
4374 if (getsockname(fd
, (struct sockaddr
*) &saddr
, &saddr_len
) == 0) {
4376 if (saddr
.sin_addr
.s_addr
==0) {
4377 fprintf(stderr
, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4381 /* clone dgram socket */
4382 newfd
= net_socket_mcast_create(&saddr
);
4384 /* error already reported by net_socket_mcast_create() */
4388 /* clone newfd to fd, close newfd */
4393 fprintf(stderr
, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4394 fd
, strerror(errno
));
4399 s
= qemu_mallocz(sizeof(NetSocketState
));
4404 s
->vc
= qemu_new_vlan_client(vlan
, net_socket_receive_dgram
, NULL
, s
);
4405 qemu_set_fd_handler(s
->fd
, net_socket_send_dgram
, NULL
, s
);
4407 /* mcast: save bound address as dst */
4408 if (is_connected
) s
->dgram_dst
=saddr
;
4410 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4411 "socket: fd=%d (%s mcast=%s:%d)",
4412 fd
, is_connected
? "cloned" : "",
4413 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4417 static void net_socket_connect(void *opaque
)
4419 NetSocketState
*s
= opaque
;
4420 qemu_set_fd_handler(s
->fd
, net_socket_send
, NULL
, s
);
4423 static NetSocketState
*net_socket_fd_init_stream(VLANState
*vlan
, int fd
,
4427 s
= qemu_mallocz(sizeof(NetSocketState
));
4431 s
->vc
= qemu_new_vlan_client(vlan
,
4432 net_socket_receive
, NULL
, s
);
4433 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4434 "socket: fd=%d", fd
);
4436 net_socket_connect(s
);
4438 qemu_set_fd_handler(s
->fd
, NULL
, net_socket_connect
, s
);
4443 static NetSocketState
*net_socket_fd_init(VLANState
*vlan
, int fd
,
4446 int so_type
=-1, optlen
=sizeof(so_type
);
4448 if(getsockopt(fd
, SOL_SOCKET
, SO_TYPE
, (char *)&so_type
, &optlen
)< 0) {
4449 fprintf(stderr
, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd
);
4454 return net_socket_fd_init_dgram(vlan
, fd
, is_connected
);
4456 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4458 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4459 fprintf(stderr
, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type
, fd
);
4460 return net_socket_fd_init_stream(vlan
, fd
, is_connected
);
4465 static void net_socket_accept(void *opaque
)
4467 NetSocketListenState
*s
= opaque
;
4469 struct sockaddr_in saddr
;
4474 len
= sizeof(saddr
);
4475 fd
= accept(s
->fd
, (struct sockaddr
*)&saddr
, &len
);
4476 if (fd
< 0 && errno
!= EINTR
) {
4478 } else if (fd
>= 0) {
4482 s1
= net_socket_fd_init(s
->vlan
, fd
, 1);
4486 snprintf(s1
->vc
->info_str
, sizeof(s1
->vc
->info_str
),
4487 "socket: connection from %s:%d",
4488 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4492 static int net_socket_listen_init(VLANState
*vlan
, const char *host_str
)
4494 NetSocketListenState
*s
;
4496 struct sockaddr_in saddr
;
4498 if (parse_host_port(&saddr
, host_str
) < 0)
4501 s
= qemu_mallocz(sizeof(NetSocketListenState
));
4505 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4510 socket_set_nonblock(fd
);
4512 /* allow fast reuse */
4514 setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
, (const char *)&val
, sizeof(val
));
4516 ret
= bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
4521 ret
= listen(fd
, 0);
4528 qemu_set_fd_handler(fd
, net_socket_accept
, NULL
, s
);
4532 static int net_socket_connect_init(VLANState
*vlan
, const char *host_str
)
4535 int fd
, connected
, ret
, err
;
4536 struct sockaddr_in saddr
;
4538 if (parse_host_port(&saddr
, host_str
) < 0)
4541 fd
= socket(PF_INET
, SOCK_STREAM
, 0);
4546 socket_set_nonblock(fd
);
4550 ret
= connect(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
));
4552 err
= socket_error();
4553 if (err
== EINTR
|| err
== EWOULDBLOCK
) {
4554 } else if (err
== EINPROGRESS
) {
4557 } else if (err
== WSAEALREADY
) {
4570 s
= net_socket_fd_init(vlan
, fd
, connected
);
4573 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4574 "socket: connect to %s:%d",
4575 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4579 static int net_socket_mcast_init(VLANState
*vlan
, const char *host_str
)
4583 struct sockaddr_in saddr
;
4585 if (parse_host_port(&saddr
, host_str
) < 0)
4589 fd
= net_socket_mcast_create(&saddr
);
4593 s
= net_socket_fd_init(vlan
, fd
, 0);
4597 s
->dgram_dst
= saddr
;
4599 snprintf(s
->vc
->info_str
, sizeof(s
->vc
->info_str
),
4600 "socket: mcast=%s:%d",
4601 inet_ntoa(saddr
.sin_addr
), ntohs(saddr
.sin_port
));
4606 static const char *get_word(char *buf
, int buf_size
, const char *p
)
4613 while (*p
!= '\0') {
4618 } else if (*p
== '\"') {
4619 substring
= !substring
;
4622 } else if (!substring
&& (*p
== ',' || *p
== '='))
4624 if (q
&& (q
- buf
) < buf_size
- 1)
4634 static int get_param_value(char *buf
, int buf_size
,
4635 const char *tag
, const char *str
)
4642 p
= get_word(option
, sizeof(option
), p
);
4646 if (!strcmp(tag
, option
)) {
4647 (void)get_word(buf
, buf_size
, p
);
4650 p
= get_word(NULL
, 0, p
);
4659 static int check_params(char *buf
, int buf_size
,
4660 char **params
, const char *str
)
4667 p
= get_word(buf
, buf_size
, p
);
4671 for(i
= 0; params
[i
] != NULL
; i
++)
4672 if (!strcmp(params
[i
], buf
))
4674 if (params
[i
] == NULL
)
4676 p
= get_word(NULL
, 0, p
);
4685 static int net_client_init(const char *str
)
4696 while (*p
!= '\0' && *p
!= ',') {
4697 if ((q
- device
) < sizeof(device
) - 1)
4705 if (get_param_value(buf
, sizeof(buf
), "vlan", p
)) {
4706 vlan_id
= strtol(buf
, NULL
, 0);
4708 vlan
= qemu_find_vlan(vlan_id
);
4710 fprintf(stderr
, "Could not create vlan %d\n", vlan_id
);
4713 if (!strcmp(device
, "nic")) {
4717 if (nb_nics
>= MAX_NICS
) {
4718 fprintf(stderr
, "Too Many NICs\n");
4721 nd
= &nd_table
[nb_nics
];
4722 macaddr
= nd
->macaddr
;
4728 macaddr
[5] = 0x56 + nb_nics
;
4730 if (get_param_value(buf
, sizeof(buf
), "macaddr", p
)) {
4731 if (parse_macaddr(macaddr
, buf
) < 0) {
4732 fprintf(stderr
, "invalid syntax for ethernet address\n");
4736 if (get_param_value(buf
, sizeof(buf
), "model", p
)) {
4737 nd
->model
= strdup(buf
);
4741 vlan
->nb_guest_devs
++;
4744 if (!strcmp(device
, "none")) {
4745 /* does nothing. It is needed to signal that no network cards
4750 if (!strcmp(device
, "user")) {
4751 if (get_param_value(buf
, sizeof(buf
), "hostname", p
)) {
4752 pstrcpy(slirp_hostname
, sizeof(slirp_hostname
), buf
);
4754 vlan
->nb_host_devs
++;
4755 ret
= net_slirp_init(vlan
);
4759 if (!strcmp(device
, "tap")) {
4761 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
4762 fprintf(stderr
, "tap: no interface name\n");
4765 vlan
->nb_host_devs
++;
4766 ret
= tap_win32_init(vlan
, ifname
);
4769 if (!strcmp(device
, "tap")) {
4771 char setup_script
[1024], down_script
[1024];
4773 vlan
->nb_host_devs
++;
4774 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
4775 fd
= strtol(buf
, NULL
, 0);
4777 if (net_tap_fd_init(vlan
, fd
))
4780 if (get_param_value(ifname
, sizeof(ifname
), "ifname", p
) <= 0) {
4783 if (get_param_value(setup_script
, sizeof(setup_script
), "script", p
) == 0) {
4784 pstrcpy(setup_script
, sizeof(setup_script
), DEFAULT_NETWORK_SCRIPT
);
4786 if (get_param_value(down_script
, sizeof(down_script
), "downscript", p
) == 0) {
4787 pstrcpy(down_script
, sizeof(down_script
), DEFAULT_NETWORK_DOWN_SCRIPT
);
4789 ret
= net_tap_init(vlan
, ifname
, setup_script
, down_script
);
4793 if (!strcmp(device
, "socket")) {
4794 if (get_param_value(buf
, sizeof(buf
), "fd", p
) > 0) {
4796 fd
= strtol(buf
, NULL
, 0);
4798 if (net_socket_fd_init(vlan
, fd
, 1))
4800 } else if (get_param_value(buf
, sizeof(buf
), "listen", p
) > 0) {
4801 ret
= net_socket_listen_init(vlan
, buf
);
4802 } else if (get_param_value(buf
, sizeof(buf
), "connect", p
) > 0) {
4803 ret
= net_socket_connect_init(vlan
, buf
);
4804 } else if (get_param_value(buf
, sizeof(buf
), "mcast", p
) > 0) {
4805 ret
= net_socket_mcast_init(vlan
, buf
);
4807 fprintf(stderr
, "Unknown socket options: %s\n", p
);
4810 vlan
->nb_host_devs
++;
4813 fprintf(stderr
, "Unknown network device: %s\n", device
);
4817 fprintf(stderr
, "Could not initialize device '%s'\n", device
);
4823 void do_info_network(void)
4826 VLANClientState
*vc
;
4828 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
4829 term_printf("VLAN %d devices:\n", vlan
->id
);
4830 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
)
4831 term_printf(" %s\n", vc
->info_str
);
4835 #define HD_ALIAS "file=\"%s\",index=%d,media=disk"
4837 #define CDROM_ALIAS "index=1,media=cdrom"
4839 #define CDROM_ALIAS "index=2,media=cdrom"
4841 #define FD_ALIAS "index=%d,if=floppy"
4842 #define PFLASH_ALIAS "file=\"%s\",if=pflash"
4843 #define MTD_ALIAS "file=\"%s\",if=mtd"
4844 #define SD_ALIAS "index=0,if=sd"
4846 static int drive_add(const char *fmt
, ...)
4850 if (nb_drives_opt
>= MAX_DRIVES
) {
4851 fprintf(stderr
, "qemu: too many drives\n");
4856 vsnprintf(drives_opt
[nb_drives_opt
], sizeof(drives_opt
[0]), fmt
, ap
);
4859 return nb_drives_opt
++;
4862 int drive_get_index(BlockInterfaceType interface
, int bus
, int unit
)
4866 /* seek interface, bus and unit */
4868 for (index
= 0; index
< nb_drives
; index
++)
4869 if (drives_table
[index
].interface
== interface
&&
4870 drives_table
[index
].bus
== bus
&&
4871 drives_table
[index
].unit
== unit
)
4877 int drive_get_max_bus(BlockInterfaceType interface
)
4883 for (index
= 0; index
< nb_drives
; index
++) {
4884 if(drives_table
[index
].interface
== interface
&&
4885 drives_table
[index
].bus
> max_bus
)
4886 max_bus
= drives_table
[index
].bus
;
4891 static int drive_init(const char *str
, int snapshot
, QEMUMachine
*machine
)
4896 const char *mediastr
= "";
4897 BlockInterfaceType interface
;
4898 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
4899 int bus_id
, unit_id
;
4900 int cyls
, heads
, secs
, translation
;
4901 BlockDriverState
*bdrv
;
4904 char *params
[] = { "bus", "unit", "if", "index", "cyls", "heads",
4905 "secs", "trans", "media", "snapshot", "file", NULL
};
4907 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
4908 fprintf(stderr
, "qemu: unknowm parameter '%s' in '%s'\n",
4914 cyls
= heads
= secs
= 0;
4917 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4920 if (!strcmp(machine
->name
, "realview") ||
4921 !strcmp(machine
->name
, "SS-5") ||
4922 !strcmp(machine
->name
, "SS-10") ||
4923 !strcmp(machine
->name
, "SS-600MP") ||
4924 !strcmp(machine
->name
, "versatilepb") ||
4925 !strcmp(machine
->name
, "versatileab")) {
4926 interface
= IF_SCSI
;
4927 max_devs
= MAX_SCSI_DEVS
;
4928 strcpy(devname
, "scsi");
4931 max_devs
= MAX_IDE_DEVS
;
4932 strcpy(devname
, "ide");
4936 /* extract parameters */
4938 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
4939 bus_id
= strtol(buf
, NULL
, 0);
4941 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
4946 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
4947 unit_id
= strtol(buf
, NULL
, 0);
4949 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
4954 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
4955 strncpy(devname
, buf
, sizeof(devname
));
4956 if (!strcmp(buf
, "ide")) {
4958 max_devs
= MAX_IDE_DEVS
;
4959 } else if (!strcmp(buf
, "scsi")) {
4960 interface
= IF_SCSI
;
4961 max_devs
= MAX_SCSI_DEVS
;
4962 } else if (!strcmp(buf
, "floppy")) {
4963 interface
= IF_FLOPPY
;
4965 } else if (!strcmp(buf
, "pflash")) {
4966 interface
= IF_PFLASH
;
4968 } else if (!strcmp(buf
, "mtd")) {
4971 } else if (!strcmp(buf
, "sd")) {
4975 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
4980 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
4981 index
= strtol(buf
, NULL
, 0);
4983 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
4988 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
4989 cyls
= strtol(buf
, NULL
, 0);
4992 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
4993 heads
= strtol(buf
, NULL
, 0);
4996 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
4997 secs
= strtol(buf
, NULL
, 0);
5000 if (cyls
|| heads
|| secs
) {
5001 if (cyls
< 1 || cyls
> 16383) {
5002 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
5005 if (heads
< 1 || heads
> 16) {
5006 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
5009 if (secs
< 1 || secs
> 63) {
5010 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
5015 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
5018 "qemu: '%s' trans must be used with cyls,heads and secs\n",
5022 if (!strcmp(buf
, "none"))
5023 translation
= BIOS_ATA_TRANSLATION_NONE
;
5024 else if (!strcmp(buf
, "lba"))
5025 translation
= BIOS_ATA_TRANSLATION_LBA
;
5026 else if (!strcmp(buf
, "auto"))
5027 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5029 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
5034 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
5035 if (!strcmp(buf
, "disk")) {
5037 } else if (!strcmp(buf
, "cdrom")) {
5038 if (cyls
|| secs
|| heads
) {
5040 "qemu: '%s' invalid physical CHS format\n", str
);
5043 media
= MEDIA_CDROM
;
5045 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
5050 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
5051 if (!strcmp(buf
, "on"))
5053 else if (!strcmp(buf
, "off"))
5056 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
5061 get_param_value(file
, sizeof(file
), "file", str
);
5063 /* compute bus and unit according index */
5066 if (bus_id
!= 0 || unit_id
!= -1) {
5068 "qemu: '%s' index cannot be used with bus and unit\n", str
);
5076 unit_id
= index
% max_devs
;
5077 bus_id
= index
/ max_devs
;
5081 /* if user doesn't specify a unit_id,
5082 * try to find the first free
5085 if (unit_id
== -1) {
5087 while (drive_get_index(interface
, bus_id
, unit_id
) != -1) {
5089 if (max_devs
&& unit_id
>= max_devs
) {
5090 unit_id
-= max_devs
;
5098 if (max_devs
&& unit_id
>= max_devs
) {
5099 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
5100 str
, unit_id
, max_devs
- 1);
5105 * ignore multiple definitions
5108 if (drive_get_index(interface
, bus_id
, unit_id
) != -1)
5113 if (interface
== IF_IDE
|| interface
== IF_SCSI
)
5114 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
5115 snprintf(buf
, sizeof(buf
), max_devs
? "%1$s%4$i%2$s%3$i" : "%s%s%i",
5116 devname
, mediastr
, unit_id
, bus_id
);
5117 bdrv
= bdrv_new(buf
);
5118 drives_table
[nb_drives
].bdrv
= bdrv
;
5119 drives_table
[nb_drives
].interface
= interface
;
5120 drives_table
[nb_drives
].bus
= bus_id
;
5121 drives_table
[nb_drives
].unit
= unit_id
;
5130 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
5131 bdrv_set_translation_hint(bdrv
, translation
);
5135 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
5140 /* FIXME: This isn't really a floppy, but it's a reasonable
5143 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
5151 if (bdrv_open(bdrv
, file
, snapshot
? BDRV_O_SNAPSHOT
: 0) < 0 ||
5152 qemu_key_check(bdrv
, file
)) {
5153 fprintf(stderr
, "qemu: could not open disk image %s\n",
5160 /***********************************************************/
5163 static USBPort
*used_usb_ports
;
5164 static USBPort
*free_usb_ports
;
5166 /* ??? Maybe change this to register a hub to keep track of the topology. */
5167 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
5168 usb_attachfn attach
)
5170 port
->opaque
= opaque
;
5171 port
->index
= index
;
5172 port
->attach
= attach
;
5173 port
->next
= free_usb_ports
;
5174 free_usb_ports
= port
;
5177 static int usb_device_add(const char *devname
)
5183 if (!free_usb_ports
)
5186 if (strstart(devname
, "host:", &p
)) {
5187 dev
= usb_host_device_open(p
);
5188 } else if (!strcmp(devname
, "mouse")) {
5189 dev
= usb_mouse_init();
5190 } else if (!strcmp(devname
, "tablet")) {
5191 dev
= usb_tablet_init();
5192 } else if (!strcmp(devname
, "keyboard")) {
5193 dev
= usb_keyboard_init();
5194 } else if (strstart(devname
, "disk:", &p
)) {
5195 dev
= usb_msd_init(p
);
5196 } else if (!strcmp(devname
, "wacom-tablet")) {
5197 dev
= usb_wacom_init();
5204 /* Find a USB port to add the device to. */
5205 port
= free_usb_ports
;
5209 /* Create a new hub and chain it on. */
5210 free_usb_ports
= NULL
;
5211 port
->next
= used_usb_ports
;
5212 used_usb_ports
= port
;
5214 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
5215 usb_attach(port
, hub
);
5216 port
= free_usb_ports
;
5219 free_usb_ports
= port
->next
;
5220 port
->next
= used_usb_ports
;
5221 used_usb_ports
= port
;
5222 usb_attach(port
, dev
);
5226 static int usb_device_del(const char *devname
)
5234 if (!used_usb_ports
)
5237 p
= strchr(devname
, '.');
5240 bus_num
= strtoul(devname
, NULL
, 0);
5241 addr
= strtoul(p
+ 1, NULL
, 0);
5245 lastp
= &used_usb_ports
;
5246 port
= used_usb_ports
;
5247 while (port
&& port
->dev
->addr
!= addr
) {
5248 lastp
= &port
->next
;
5256 *lastp
= port
->next
;
5257 usb_attach(port
, NULL
);
5258 dev
->handle_destroy(dev
);
5259 port
->next
= free_usb_ports
;
5260 free_usb_ports
= port
;
5264 void do_usb_add(const char *devname
)
5267 ret
= usb_device_add(devname
);
5269 term_printf("Could not add USB device '%s'\n", devname
);
5272 void do_usb_del(const char *devname
)
5275 ret
= usb_device_del(devname
);
5277 term_printf("Could not remove USB device '%s'\n", devname
);
5284 const char *speed_str
;
5287 term_printf("USB support not enabled\n");
5291 for (port
= used_usb_ports
; port
; port
= port
->next
) {
5295 switch(dev
->speed
) {
5299 case USB_SPEED_FULL
:
5302 case USB_SPEED_HIGH
:
5309 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
5310 0, dev
->addr
, speed_str
, dev
->devname
);
5314 /***********************************************************/
5315 /* PCMCIA/Cardbus */
5317 static struct pcmcia_socket_entry_s
{
5318 struct pcmcia_socket_s
*socket
;
5319 struct pcmcia_socket_entry_s
*next
;
5320 } *pcmcia_sockets
= 0;
5322 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
5324 struct pcmcia_socket_entry_s
*entry
;
5326 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
5327 entry
->socket
= socket
;
5328 entry
->next
= pcmcia_sockets
;
5329 pcmcia_sockets
= entry
;
5332 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
5334 struct pcmcia_socket_entry_s
*entry
, **ptr
;
5336 ptr
= &pcmcia_sockets
;
5337 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
5338 if (entry
->socket
== socket
) {
5344 void pcmcia_info(void)
5346 struct pcmcia_socket_entry_s
*iter
;
5347 if (!pcmcia_sockets
)
5348 term_printf("No PCMCIA sockets\n");
5350 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
5351 term_printf("%s: %s\n", iter
->socket
->slot_string
,
5352 iter
->socket
->attached
? iter
->socket
->card_string
:
5356 /***********************************************************/
5359 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
5363 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
5367 static void dumb_refresh(DisplayState
*ds
)
5369 #if defined(CONFIG_SDL)
5374 static void dumb_display_init(DisplayState
*ds
)
5379 ds
->dpy_update
= dumb_update
;
5380 ds
->dpy_resize
= dumb_resize
;
5381 ds
->dpy_refresh
= dumb_refresh
;
5384 /***********************************************************/
5387 #define MAX_IO_HANDLERS 64
5389 typedef struct IOHandlerRecord
{
5391 IOCanRWHandler
*fd_read_poll
;
5393 IOHandler
*fd_write
;
5396 /* temporary data */
5398 struct IOHandlerRecord
*next
;
5401 static IOHandlerRecord
*first_io_handler
;
5403 /* XXX: fd_read_poll should be suppressed, but an API change is
5404 necessary in the character devices to suppress fd_can_read(). */
5405 int qemu_set_fd_handler2(int fd
,
5406 IOCanRWHandler
*fd_read_poll
,
5408 IOHandler
*fd_write
,
5411 IOHandlerRecord
**pioh
, *ioh
;
5413 if (!fd_read
&& !fd_write
) {
5414 pioh
= &first_io_handler
;
5419 if (ioh
->fd
== fd
) {
5426 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
5430 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
5433 ioh
->next
= first_io_handler
;
5434 first_io_handler
= ioh
;
5437 ioh
->fd_read_poll
= fd_read_poll
;
5438 ioh
->fd_read
= fd_read
;
5439 ioh
->fd_write
= fd_write
;
5440 ioh
->opaque
= opaque
;
5446 int qemu_set_fd_handler(int fd
,
5448 IOHandler
*fd_write
,
5451 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
5454 /***********************************************************/
5455 /* Polling handling */
5457 typedef struct PollingEntry
{
5460 struct PollingEntry
*next
;
5463 static PollingEntry
*first_polling_entry
;
5465 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
5467 PollingEntry
**ppe
, *pe
;
5468 pe
= qemu_mallocz(sizeof(PollingEntry
));
5472 pe
->opaque
= opaque
;
5473 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
5478 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
5480 PollingEntry
**ppe
, *pe
;
5481 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
5483 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
5492 /***********************************************************/
5493 /* Wait objects support */
5494 typedef struct WaitObjects
{
5496 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
5497 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
5498 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
5501 static WaitObjects wait_objects
= {0};
5503 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
5505 WaitObjects
*w
= &wait_objects
;
5507 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
5509 w
->events
[w
->num
] = handle
;
5510 w
->func
[w
->num
] = func
;
5511 w
->opaque
[w
->num
] = opaque
;
5516 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
5519 WaitObjects
*w
= &wait_objects
;
5522 for (i
= 0; i
< w
->num
; i
++) {
5523 if (w
->events
[i
] == handle
)
5526 w
->events
[i
] = w
->events
[i
+ 1];
5527 w
->func
[i
] = w
->func
[i
+ 1];
5528 w
->opaque
[i
] = w
->opaque
[i
+ 1];
5536 #define SELF_ANNOUNCE_ROUNDS 5
5537 #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
5538 //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
5539 #define EXPERIMENTAL_MAGIC 0xf1f23f4f
5541 static int announce_self_create(uint8_t *buf
,
5544 uint32_t magic
= EXPERIMENTAL_MAGIC
;
5545 uint16_t proto
= htons(ETH_P_EXPERIMENTAL
);
5547 /* FIXME: should we send a different packet (arp/rarp/ping)? */
5549 memset(buf
, 0xff, 6); /* h_dst */
5550 memcpy(buf
+ 6, mac_addr
, 6); /* h_src */
5551 memcpy(buf
+ 12, &proto
, 2); /* h_proto */
5552 memcpy(buf
+ 14, &magic
, 4); /* magic */
5554 return 18; /* len */
5557 static void qemu_announce_self(void)
5561 VLANClientState
*vc
;
5564 for (i
= 0; i
< nb_nics
; i
++) {
5565 len
= announce_self_create(buf
, nd_table
[i
].macaddr
);
5566 vlan
= nd_table
[i
].vlan
;
5567 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
5568 if (vc
->fd_read
== tap_receive
) /* send only if tap */
5569 for (j
=0; j
< SELF_ANNOUNCE_ROUNDS
; j
++)
5570 vc
->fd_read(vc
->opaque
, buf
, len
);
5575 /***********************************************************/
5576 /* savevm/loadvm support */
5578 #define IO_BUF_SIZE 32768
5581 QEMUFilePutBufferFunc
*put_buffer
;
5582 QEMUFileGetBufferFunc
*get_buffer
;
5583 QEMUFileCloseFunc
*close
;
5586 int64_t buf_offset
; /* start of buffer when writing, end of buffer
5589 int buf_size
; /* 0 when writing */
5590 uint8_t buf
[IO_BUF_SIZE
];
5593 typedef struct QEMUFileFD
5598 static int fd_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5600 QEMUFileFD
*s
= opaque
;
5605 len
= read(s
->fd
, buf
+ offset
, size
- offset
);
5607 if (errno
== EINTR
|| errno
== EAGAIN
)
5614 QEMUFile
*qemu_fopen_fd(int fd
)
5616 QEMUFileFD
*s
= qemu_mallocz(sizeof(QEMUFileFD
));
5618 return qemu_fopen(s
, NULL
, fd_get_buffer
, qemu_free
);
5621 typedef struct QEMUFileUnix
5626 static void file_put_buffer(void *opaque
, const uint8_t *buf
, int64_t pos
, int size
)
5628 QEMUFileUnix
*s
= opaque
;
5629 fseek(s
->outfile
, pos
, SEEK_SET
);
5630 fwrite(buf
, 1, size
, s
->outfile
);
5633 static int file_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5635 QEMUFileUnix
*s
= opaque
;
5636 fseek(s
->outfile
, pos
, SEEK_SET
);
5637 return fread(buf
, 1, size
, s
->outfile
);
5640 static void file_close(void *opaque
)
5642 QEMUFileUnix
*s
= opaque
;
5647 QEMUFile
*qemu_fopen_file(const char *filename
, const char *mode
)
5651 s
= qemu_mallocz(sizeof(QEMUFileUnix
));
5655 s
->outfile
= fopen(filename
, mode
);
5659 if (!strcmp(mode
, "wb"))
5660 return qemu_fopen(s
, file_put_buffer
, NULL
, file_close
);
5661 else if (!strcmp(mode
, "rb"))
5662 return qemu_fopen(s
, NULL
, file_get_buffer
, file_close
);
5671 typedef struct QEMUFileBdrv
5673 BlockDriverState
*bs
;
5674 int64_t base_offset
;
5677 static void bdrv_put_buffer(void *opaque
, const uint8_t *buf
, int64_t pos
, int size
)
5679 QEMUFileBdrv
*s
= opaque
;
5680 bdrv_pwrite(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
5683 static int bdrv_get_buffer(void *opaque
, uint8_t *buf
, int64_t pos
, int size
)
5685 QEMUFileBdrv
*s
= opaque
;
5686 return bdrv_pread(s
->bs
, s
->base_offset
+ pos
, buf
, size
);
5689 QEMUFile
*qemu_fopen_bdrv(BlockDriverState
*bs
, int64_t offset
, int is_writable
)
5693 s
= qemu_mallocz(sizeof(QEMUFileBdrv
));
5698 s
->base_offset
= offset
;
5701 return qemu_fopen(s
, bdrv_put_buffer
, NULL
, qemu_free
);
5703 return qemu_fopen(s
, NULL
, bdrv_get_buffer
, qemu_free
);
5706 QEMUFile
*qemu_fopen(void *opaque
, QEMUFilePutBufferFunc
*put_buffer
,
5707 QEMUFileGetBufferFunc
*get_buffer
, QEMUFileCloseFunc
*close
)
5711 f
= qemu_mallocz(sizeof(QEMUFile
));
5716 f
->put_buffer
= put_buffer
;
5717 f
->get_buffer
= get_buffer
;
5723 void qemu_fflush(QEMUFile
*f
)
5728 if (f
->buf_index
> 0) {
5729 f
->put_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, f
->buf_index
);
5730 f
->buf_offset
+= f
->buf_index
;
5735 static void qemu_fill_buffer(QEMUFile
*f
)
5742 len
= f
->get_buffer(f
->opaque
, f
->buf
, f
->buf_offset
, IO_BUF_SIZE
);
5748 f
->buf_offset
+= len
;
5751 void qemu_fclose(QEMUFile
*f
)
5755 f
->close(f
->opaque
);
5759 void qemu_put_buffer(QEMUFile
*f
, const uint8_t *buf
, int size
)
5763 l
= IO_BUF_SIZE
- f
->buf_index
;
5766 memcpy(f
->buf
+ f
->buf_index
, buf
, l
);
5770 if (f
->buf_index
>= IO_BUF_SIZE
)
5775 void qemu_put_byte(QEMUFile
*f
, int v
)
5777 f
->buf
[f
->buf_index
++] = v
;
5778 if (f
->buf_index
>= IO_BUF_SIZE
)
5782 int qemu_get_buffer(QEMUFile
*f
, uint8_t *buf
, int size1
)
5788 l
= f
->buf_size
- f
->buf_index
;
5790 qemu_fill_buffer(f
);
5791 l
= f
->buf_size
- f
->buf_index
;
5797 memcpy(buf
, f
->buf
+ f
->buf_index
, l
);
5802 return size1
- size
;
5805 int qemu_get_byte(QEMUFile
*f
)
5807 if (f
->buf_index
>= f
->buf_size
) {
5808 qemu_fill_buffer(f
);
5809 if (f
->buf_index
>= f
->buf_size
)
5812 return f
->buf
[f
->buf_index
++];
5815 int64_t qemu_ftell(QEMUFile
*f
)
5817 return f
->buf_offset
- f
->buf_size
+ f
->buf_index
;
5820 int64_t qemu_fseek(QEMUFile
*f
, int64_t pos
, int whence
)
5822 if (whence
== SEEK_SET
) {
5824 } else if (whence
== SEEK_CUR
) {
5825 pos
+= qemu_ftell(f
);
5827 /* SEEK_END not supported */
5830 if (f
->put_buffer
) {
5832 f
->buf_offset
= pos
;
5834 f
->buf_offset
= pos
;
5841 void qemu_put_be16(QEMUFile
*f
, unsigned int v
)
5843 qemu_put_byte(f
, v
>> 8);
5844 qemu_put_byte(f
, v
);
5847 void qemu_put_be32(QEMUFile
*f
, unsigned int v
)
5849 qemu_put_byte(f
, v
>> 24);
5850 qemu_put_byte(f
, v
>> 16);
5851 qemu_put_byte(f
, v
>> 8);
5852 qemu_put_byte(f
, v
);
5855 void qemu_put_be64(QEMUFile
*f
, uint64_t v
)
5857 qemu_put_be32(f
, v
>> 32);
5858 qemu_put_be32(f
, v
);
5861 unsigned int qemu_get_be16(QEMUFile
*f
)
5864 v
= qemu_get_byte(f
) << 8;
5865 v
|= qemu_get_byte(f
);
5869 unsigned int qemu_get_be32(QEMUFile
*f
)
5872 v
= qemu_get_byte(f
) << 24;
5873 v
|= qemu_get_byte(f
) << 16;
5874 v
|= qemu_get_byte(f
) << 8;
5875 v
|= qemu_get_byte(f
);
5879 uint64_t qemu_get_be64(QEMUFile
*f
)
5882 v
= (uint64_t)qemu_get_be32(f
) << 32;
5883 v
|= qemu_get_be32(f
);
5887 typedef struct SaveStateEntry
{
5891 SaveStateHandler
*save_state
;
5892 LoadStateHandler
*load_state
;
5894 struct SaveStateEntry
*next
;
5897 static SaveStateEntry
*first_se
;
5899 int register_savevm(const char *idstr
,
5902 SaveStateHandler
*save_state
,
5903 LoadStateHandler
*load_state
,
5906 SaveStateEntry
*se
, **pse
;
5908 se
= qemu_malloc(sizeof(SaveStateEntry
));
5911 pstrcpy(se
->idstr
, sizeof(se
->idstr
), idstr
);
5912 se
->instance_id
= instance_id
;
5913 se
->version_id
= version_id
;
5914 se
->save_state
= save_state
;
5915 se
->load_state
= load_state
;
5916 se
->opaque
= opaque
;
5919 /* add at the end of list */
5921 while (*pse
!= NULL
)
5922 pse
= &(*pse
)->next
;
5927 #define QEMU_VM_FILE_MAGIC 0x5145564d
5928 #define QEMU_VM_FILE_VERSION 0x00000002
5930 static int qemu_savevm_state(QEMUFile
*f
)
5934 int64_t cur_pos
, len_pos
, total_len_pos
;
5936 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
5937 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
5938 total_len_pos
= qemu_ftell(f
);
5939 qemu_put_be64(f
, 0); /* total size */
5941 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
5943 len
= strlen(se
->idstr
);
5944 qemu_put_byte(f
, len
);
5945 qemu_put_buffer(f
, (uint8_t *)se
->idstr
, len
);
5947 qemu_put_be32(f
, se
->instance_id
);
5948 qemu_put_be32(f
, se
->version_id
);
5950 /* record size: filled later */
5951 len_pos
= qemu_ftell(f
);
5952 qemu_put_be32(f
, 0);
5953 se
->save_state(f
, se
->opaque
);
5955 /* fill record size */
5956 cur_pos
= qemu_ftell(f
);
5957 len
= cur_pos
- len_pos
- 4;
5958 qemu_fseek(f
, len_pos
, SEEK_SET
);
5959 qemu_put_be32(f
, len
);
5960 qemu_fseek(f
, cur_pos
, SEEK_SET
);
5962 cur_pos
= qemu_ftell(f
);
5963 qemu_fseek(f
, total_len_pos
, SEEK_SET
);
5964 qemu_put_be64(f
, cur_pos
- total_len_pos
- 8);
5965 qemu_fseek(f
, cur_pos
, SEEK_SET
);
5971 static SaveStateEntry
*find_se(const char *idstr
, int instance_id
)
5975 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
5976 if (!strcmp(se
->idstr
, idstr
) &&
5977 instance_id
== se
->instance_id
)
5983 static int qemu_loadvm_state(QEMUFile
*f
)
5986 int len
, ret
, instance_id
, record_len
, version_id
;
5987 int64_t total_len
, end_pos
, cur_pos
;
5991 v
= qemu_get_be32(f
);
5992 if (v
!= QEMU_VM_FILE_MAGIC
)
5994 v
= qemu_get_be32(f
);
5995 if (v
!= QEMU_VM_FILE_VERSION
) {
6000 total_len
= qemu_get_be64(f
);
6001 end_pos
= total_len
+ qemu_ftell(f
);
6003 if (qemu_ftell(f
) >= end_pos
)
6005 len
= qemu_get_byte(f
);
6006 qemu_get_buffer(f
, (uint8_t *)idstr
, len
);
6008 instance_id
= qemu_get_be32(f
);
6009 version_id
= qemu_get_be32(f
);
6010 record_len
= qemu_get_be32(f
);
6012 printf("idstr=%s instance=0x%x version=%d len=%d\n",
6013 idstr
, instance_id
, version_id
, record_len
);
6015 cur_pos
= qemu_ftell(f
);
6016 se
= find_se(idstr
, instance_id
);
6018 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6019 instance_id
, idstr
);
6021 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6023 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6024 instance_id
, idstr
);
6028 /* always seek to exact end of record */
6029 qemu_fseek(f
, cur_pos
+ record_len
, SEEK_SET
);
6036 int qemu_live_savevm_state(QEMUFile
*f
)
6041 qemu_put_be32(f
, QEMU_VM_FILE_MAGIC
);
6042 qemu_put_be32(f
, QEMU_VM_FILE_VERSION
);
6044 for(se
= first_se
; se
!= NULL
; se
= se
->next
) {
6045 len
= strlen(se
->idstr
);
6047 qemu_put_byte(f
, len
);
6048 qemu_put_buffer(f
, se
->idstr
, len
);
6049 qemu_put_be32(f
, se
->instance_id
);
6050 qemu_put_be32(f
, se
->version_id
);
6052 se
->save_state(f
, se
->opaque
);
6055 qemu_put_byte(f
, 0);
6061 int qemu_live_loadvm_state(QEMUFile
*f
)
6064 int len
, ret
, instance_id
, version_id
;
6068 v
= qemu_get_be32(f
);
6069 if (v
!= QEMU_VM_FILE_MAGIC
)
6071 v
= qemu_get_be32(f
);
6072 if (v
!= QEMU_VM_FILE_VERSION
) {
6079 len
= qemu_get_byte(f
);
6082 qemu_get_buffer(f
, idstr
, len
);
6084 instance_id
= qemu_get_be32(f
);
6085 version_id
= qemu_get_be32(f
);
6086 se
= find_se(idstr
, instance_id
);
6088 fprintf(stderr
, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6089 instance_id
, idstr
);
6091 if (version_id
> se
->version_id
) { /* src version > dst version */
6092 fprintf(stderr
, "migration:version mismatch:%s:%d(s)>%d(d)\n",
6093 idstr
, version_id
, se
->version_id
);
6097 ret
= se
->load_state(f
, se
->opaque
, version_id
);
6099 fprintf(stderr
, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6100 instance_id
, idstr
);
6107 qemu_announce_self();
6113 /* device can contain snapshots */
6114 static int bdrv_can_snapshot(BlockDriverState
*bs
)
6117 !bdrv_is_removable(bs
) &&
6118 !bdrv_is_read_only(bs
));
6121 /* device must be snapshots in order to have a reliable snapshot */
6122 static int bdrv_has_snapshot(BlockDriverState
*bs
)
6125 !bdrv_is_removable(bs
) &&
6126 !bdrv_is_read_only(bs
));
6129 static BlockDriverState
*get_bs_snapshots(void)
6131 BlockDriverState
*bs
;
6135 return bs_snapshots
;
6136 for(i
= 0; i
<= nb_drives
; i
++) {
6137 bs
= drives_table
[i
].bdrv
;
6138 if (bdrv_can_snapshot(bs
))
6147 static int bdrv_snapshot_find(BlockDriverState
*bs
, QEMUSnapshotInfo
*sn_info
,
6150 QEMUSnapshotInfo
*sn_tab
, *sn
;
6154 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6157 for(i
= 0; i
< nb_sns
; i
++) {
6159 if (!strcmp(sn
->id_str
, name
) || !strcmp(sn
->name
, name
)) {
6169 void do_savevm(const char *name
)
6171 BlockDriverState
*bs
, *bs1
;
6172 QEMUSnapshotInfo sn1
, *sn
= &sn1
, old_sn1
, *old_sn
= &old_sn1
;
6173 int must_delete
, ret
, i
;
6174 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
6176 int saved_vm_running
;
6183 bs
= get_bs_snapshots();
6185 term_printf("No block device can accept snapshots\n");
6189 /* ??? Should this occur after vm_stop? */
6192 saved_vm_running
= vm_running
;
6197 ret
= bdrv_snapshot_find(bs
, old_sn
, name
);
6202 memset(sn
, 0, sizeof(*sn
));
6204 pstrcpy(sn
->name
, sizeof(sn
->name
), old_sn
->name
);
6205 pstrcpy(sn
->id_str
, sizeof(sn
->id_str
), old_sn
->id_str
);
6208 pstrcpy(sn
->name
, sizeof(sn
->name
), name
);
6211 /* fill auxiliary fields */
6214 sn
->date_sec
= tb
.time
;
6215 sn
->date_nsec
= tb
.millitm
* 1000000;
6217 gettimeofday(&tv
, NULL
);
6218 sn
->date_sec
= tv
.tv_sec
;
6219 sn
->date_nsec
= tv
.tv_usec
* 1000;
6221 sn
->vm_clock_nsec
= qemu_get_clock(vm_clock
);
6223 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
6224 term_printf("Device %s does not support VM state snapshots\n",
6225 bdrv_get_device_name(bs
));
6229 /* save the VM state */
6230 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 1);
6232 term_printf("Could not open VM state file\n");
6235 ret
= qemu_savevm_state(f
);
6236 sn
->vm_state_size
= qemu_ftell(f
);
6239 term_printf("Error %d while writing VM\n", ret
);
6243 /* create the snapshots */
6245 for(i
= 0; i
< nb_drives
; i
++) {
6246 bs1
= drives_table
[i
].bdrv
;
6247 if (bdrv_has_snapshot(bs1
)) {
6249 ret
= bdrv_snapshot_delete(bs1
, old_sn
->id_str
);
6251 term_printf("Error while deleting snapshot on '%s'\n",
6252 bdrv_get_device_name(bs1
));
6255 ret
= bdrv_snapshot_create(bs1
, sn
);
6257 term_printf("Error while creating snapshot on '%s'\n",
6258 bdrv_get_device_name(bs1
));
6264 if (saved_vm_running
)
6268 void do_loadvm(const char *name
)
6270 BlockDriverState
*bs
, *bs1
;
6271 BlockDriverInfo bdi1
, *bdi
= &bdi1
;
6274 int saved_vm_running
;
6276 bs
= get_bs_snapshots();
6278 term_printf("No block device supports snapshots\n");
6282 /* Flush all IO requests so they don't interfere with the new state. */
6285 saved_vm_running
= vm_running
;
6288 for(i
= 0; i
<= nb_drives
; i
++) {
6289 bs1
= drives_table
[i
].bdrv
;
6290 if (bdrv_has_snapshot(bs1
)) {
6291 ret
= bdrv_snapshot_goto(bs1
, name
);
6294 term_printf("Warning: ");
6297 term_printf("Snapshots not supported on device '%s'\n",
6298 bdrv_get_device_name(bs1
));
6301 term_printf("Could not find snapshot '%s' on device '%s'\n",
6302 name
, bdrv_get_device_name(bs1
));
6305 term_printf("Error %d while activating snapshot on '%s'\n",
6306 ret
, bdrv_get_device_name(bs1
));
6309 /* fatal on snapshot block device */
6316 if (bdrv_get_info(bs
, bdi
) < 0 || bdi
->vm_state_offset
<= 0) {
6317 term_printf("Device %s does not support VM state snapshots\n",
6318 bdrv_get_device_name(bs
));
6322 /* restore the VM state */
6323 f
= qemu_fopen_bdrv(bs
, bdi
->vm_state_offset
, 0);
6325 term_printf("Could not open VM state file\n");
6328 ret
= qemu_loadvm_state(f
);
6331 term_printf("Error %d while loading VM state\n", ret
);
6334 if (saved_vm_running
)
6338 void do_delvm(const char *name
)
6340 BlockDriverState
*bs
, *bs1
;
6343 bs
= get_bs_snapshots();
6345 term_printf("No block device supports snapshots\n");
6349 for(i
= 0; i
<= nb_drives
; i
++) {
6350 bs1
= drives_table
[i
].bdrv
;
6351 if (bdrv_has_snapshot(bs1
)) {
6352 ret
= bdrv_snapshot_delete(bs1
, name
);
6354 if (ret
== -ENOTSUP
)
6355 term_printf("Snapshots not supported on device '%s'\n",
6356 bdrv_get_device_name(bs1
));
6358 term_printf("Error %d while deleting snapshot on '%s'\n",
6359 ret
, bdrv_get_device_name(bs1
));
6365 void do_info_snapshots(void)
6367 BlockDriverState
*bs
, *bs1
;
6368 QEMUSnapshotInfo
*sn_tab
, *sn
;
6372 bs
= get_bs_snapshots();
6374 term_printf("No available block device supports snapshots\n");
6377 term_printf("Snapshot devices:");
6378 for(i
= 0; i
<= nb_drives
; i
++) {
6379 bs1
= drives_table
[i
].bdrv
;
6380 if (bdrv_has_snapshot(bs1
)) {
6382 term_printf(" %s", bdrv_get_device_name(bs1
));
6387 nb_sns
= bdrv_snapshot_list(bs
, &sn_tab
);
6389 term_printf("bdrv_snapshot_list: error %d\n", nb_sns
);
6392 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs
));
6393 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), NULL
));
6394 for(i
= 0; i
< nb_sns
; i
++) {
6396 term_printf("%s\n", bdrv_snapshot_dump(buf
, sizeof(buf
), sn
));
6401 /***********************************************************/
6402 /* cpu save/restore */
6404 #if defined(TARGET_I386)
6406 static void cpu_put_seg(QEMUFile
*f
, SegmentCache
*dt
)
6408 qemu_put_be32(f
, dt
->selector
);
6409 qemu_put_betl(f
, dt
->base
);
6410 qemu_put_be32(f
, dt
->limit
);
6411 qemu_put_be32(f
, dt
->flags
);
6414 static void cpu_get_seg(QEMUFile
*f
, SegmentCache
*dt
)
6416 dt
->selector
= qemu_get_be32(f
);
6417 dt
->base
= qemu_get_betl(f
);
6418 dt
->limit
= qemu_get_be32(f
);
6419 dt
->flags
= qemu_get_be32(f
);
6422 void cpu_save(QEMUFile
*f
, void *opaque
)
6424 CPUState
*env
= opaque
;
6425 uint16_t fptag
, fpus
, fpuc
, fpregs_format
;
6431 kvm_save_registers(env
);
6434 for(i
= 0; i
< CPU_NB_REGS
; i
++)
6435 qemu_put_betls(f
, &env
->regs
[i
]);
6436 qemu_put_betls(f
, &env
->eip
);
6437 qemu_put_betls(f
, &env
->eflags
);
6438 hflags
= env
->hflags
; /* XXX: suppress most of the redundant hflags */
6439 qemu_put_be32s(f
, &hflags
);
6443 fpus
= (env
->fpus
& ~0x3800) | (env
->fpstt
& 0x7) << 11;
6445 for(i
= 0; i
< 8; i
++) {
6446 fptag
|= ((!env
->fptags
[i
]) << i
);
6449 qemu_put_be16s(f
, &fpuc
);
6450 qemu_put_be16s(f
, &fpus
);
6451 qemu_put_be16s(f
, &fptag
);
6453 #ifdef USE_X86LDOUBLE
6458 qemu_put_be16s(f
, &fpregs_format
);
6460 for(i
= 0; i
< 8; i
++) {
6461 #ifdef USE_X86LDOUBLE
6465 /* we save the real CPU data (in case of MMX usage only 'mant'
6466 contains the MMX register */
6467 cpu_get_fp80(&mant
, &exp
, env
->fpregs
[i
].d
);
6468 qemu_put_be64(f
, mant
);
6469 qemu_put_be16(f
, exp
);
6472 /* if we use doubles for float emulation, we save the doubles to
6473 avoid losing information in case of MMX usage. It can give
6474 problems if the image is restored on a CPU where long
6475 doubles are used instead. */
6476 qemu_put_be64(f
, env
->fpregs
[i
].mmx
.MMX_Q(0));
6480 for(i
= 0; i
< 6; i
++)
6481 cpu_put_seg(f
, &env
->segs
[i
]);
6482 cpu_put_seg(f
, &env
->ldt
);
6483 cpu_put_seg(f
, &env
->tr
);
6484 cpu_put_seg(f
, &env
->gdt
);
6485 cpu_put_seg(f
, &env
->idt
);
6487 qemu_put_be32s(f
, &env
->sysenter_cs
);
6488 qemu_put_be32s(f
, &env
->sysenter_esp
);
6489 qemu_put_be32s(f
, &env
->sysenter_eip
);
6491 qemu_put_betls(f
, &env
->cr
[0]);
6492 qemu_put_betls(f
, &env
->cr
[2]);
6493 qemu_put_betls(f
, &env
->cr
[3]);
6494 qemu_put_betls(f
, &env
->cr
[4]);
6496 for(i
= 0; i
< 8; i
++)
6497 qemu_put_betls(f
, &env
->dr
[i
]);
6500 qemu_put_be32s(f
, &env
->a20_mask
);
6503 qemu_put_be32s(f
, &env
->mxcsr
);
6504 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
6505 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
6506 qemu_put_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
6509 #ifdef TARGET_X86_64
6510 qemu_put_be64s(f
, &env
->efer
);
6511 qemu_put_be64s(f
, &env
->star
);
6512 qemu_put_be64s(f
, &env
->lstar
);
6513 qemu_put_be64s(f
, &env
->cstar
);
6514 qemu_put_be64s(f
, &env
->fmask
);
6515 qemu_put_be64s(f
, &env
->kernelgsbase
);
6517 qemu_put_be32s(f
, &env
->smbase
);
6521 for (i
= 0; i
< NR_IRQ_WORDS
; i
++) {
6522 qemu_put_be32s(f
, &env
->kvm_interrupt_bitmap
[i
]);
6524 qemu_put_be64s(f
, &env
->tsc
);
6530 #ifdef USE_X86LDOUBLE
6531 /* XXX: add that in a FPU generic layer */
6532 union x86_longdouble
{
6537 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
6538 #define EXPBIAS1 1023
6539 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
6540 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
6542 static void fp64_to_fp80(union x86_longdouble
*p
, uint64_t temp
)
6546 p
->mant
= (MANTD1(temp
) << 11) | (1LL << 63);
6547 /* exponent + sign */
6548 e
= EXPD1(temp
) - EXPBIAS1
+ 16383;
6549 e
|= SIGND1(temp
) >> 16;
6554 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6556 CPUState
*env
= opaque
;
6559 uint16_t fpus
, fpuc
, fptag
, fpregs_format
;
6561 if (version_id
!= 3 && version_id
!= 4)
6563 for(i
= 0; i
< CPU_NB_REGS
; i
++)
6564 qemu_get_betls(f
, &env
->regs
[i
]);
6565 qemu_get_betls(f
, &env
->eip
);
6566 qemu_get_betls(f
, &env
->eflags
);
6567 qemu_get_be32s(f
, &hflags
);
6569 qemu_get_be16s(f
, &fpuc
);
6570 qemu_get_be16s(f
, &fpus
);
6571 qemu_get_be16s(f
, &fptag
);
6572 qemu_get_be16s(f
, &fpregs_format
);
6574 /* NOTE: we cannot always restore the FPU state if the image come
6575 from a host with a different 'USE_X86LDOUBLE' define. We guess
6576 if we are in an MMX state to restore correctly in that case. */
6577 guess_mmx
= ((fptag
== 0xff) && (fpus
& 0x3800) == 0);
6578 for(i
= 0; i
< 8; i
++) {
6582 switch(fpregs_format
) {
6584 mant
= qemu_get_be64(f
);
6585 exp
= qemu_get_be16(f
);
6586 #ifdef USE_X86LDOUBLE
6587 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
6589 /* difficult case */
6591 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
6593 env
->fpregs
[i
].d
= cpu_set_fp80(mant
, exp
);
6597 mant
= qemu_get_be64(f
);
6598 #ifdef USE_X86LDOUBLE
6600 union x86_longdouble
*p
;
6601 /* difficult case */
6602 p
= (void *)&env
->fpregs
[i
];
6607 fp64_to_fp80(p
, mant
);
6611 env
->fpregs
[i
].mmx
.MMX_Q(0) = mant
;
6620 /* XXX: restore FPU round state */
6621 env
->fpstt
= (fpus
>> 11) & 7;
6622 env
->fpus
= fpus
& ~0x3800;
6624 for(i
= 0; i
< 8; i
++) {
6625 env
->fptags
[i
] = (fptag
>> i
) & 1;
6628 for(i
= 0; i
< 6; i
++)
6629 cpu_get_seg(f
, &env
->segs
[i
]);
6630 cpu_get_seg(f
, &env
->ldt
);
6631 cpu_get_seg(f
, &env
->tr
);
6632 cpu_get_seg(f
, &env
->gdt
);
6633 cpu_get_seg(f
, &env
->idt
);
6635 qemu_get_be32s(f
, &env
->sysenter_cs
);
6636 qemu_get_be32s(f
, &env
->sysenter_esp
);
6637 qemu_get_be32s(f
, &env
->sysenter_eip
);
6639 qemu_get_betls(f
, &env
->cr
[0]);
6640 qemu_get_betls(f
, &env
->cr
[2]);
6641 qemu_get_betls(f
, &env
->cr
[3]);
6642 qemu_get_betls(f
, &env
->cr
[4]);
6644 for(i
= 0; i
< 8; i
++)
6645 qemu_get_betls(f
, &env
->dr
[i
]);
6648 qemu_get_be32s(f
, &env
->a20_mask
);
6650 qemu_get_be32s(f
, &env
->mxcsr
);
6651 for(i
= 0; i
< CPU_NB_REGS
; i
++) {
6652 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(0));
6653 qemu_get_be64s(f
, &env
->xmm_regs
[i
].XMM_Q(1));
6656 #ifdef TARGET_X86_64
6657 qemu_get_be64s(f
, &env
->efer
);
6658 qemu_get_be64s(f
, &env
->star
);
6659 qemu_get_be64s(f
, &env
->lstar
);
6660 qemu_get_be64s(f
, &env
->cstar
);
6661 qemu_get_be64s(f
, &env
->fmask
);
6662 qemu_get_be64s(f
, &env
->kernelgsbase
);
6664 if (version_id
>= 4)
6665 qemu_get_be32s(f
, &env
->smbase
);
6667 /* XXX: compute hflags from scratch, except for CPL and IIF */
6668 env
->hflags
= hflags
;
6672 /* when in-kernel irqchip is used, HF_HALTED_MASK causes deadlock
6673 because no userspace IRQs will ever clear this flag */
6674 env
->hflags
&= ~HF_HALTED_MASK
;
6675 for (i
= 0; i
< NR_IRQ_WORDS
; i
++) {
6676 qemu_get_be32s(f
, &env
->kvm_interrupt_bitmap
[i
]);
6678 qemu_get_be64s(f
, &env
->tsc
);
6679 kvm_load_registers(env
);
6685 #elif defined(TARGET_PPC)
6686 void cpu_save(QEMUFile
*f
, void *opaque
)
6690 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6695 #elif defined(TARGET_MIPS)
6696 void cpu_save(QEMUFile
*f
, void *opaque
)
6700 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6705 #elif defined(TARGET_SPARC)
6706 void cpu_save(QEMUFile
*f
, void *opaque
)
6708 CPUState
*env
= opaque
;
6712 for(i
= 0; i
< 8; i
++)
6713 qemu_put_betls(f
, &env
->gregs
[i
]);
6714 for(i
= 0; i
< NWINDOWS
* 16; i
++)
6715 qemu_put_betls(f
, &env
->regbase
[i
]);
6718 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
6724 qemu_put_be32(f
, u
.i
);
6727 qemu_put_betls(f
, &env
->pc
);
6728 qemu_put_betls(f
, &env
->npc
);
6729 qemu_put_betls(f
, &env
->y
);
6731 qemu_put_be32(f
, tmp
);
6732 qemu_put_betls(f
, &env
->fsr
);
6733 qemu_put_betls(f
, &env
->tbr
);
6734 #ifndef TARGET_SPARC64
6735 qemu_put_be32s(f
, &env
->wim
);
6737 for(i
= 0; i
< 16; i
++)
6738 qemu_put_be32s(f
, &env
->mmuregs
[i
]);
6742 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6744 CPUState
*env
= opaque
;
6748 for(i
= 0; i
< 8; i
++)
6749 qemu_get_betls(f
, &env
->gregs
[i
]);
6750 for(i
= 0; i
< NWINDOWS
* 16; i
++)
6751 qemu_get_betls(f
, &env
->regbase
[i
]);
6754 for(i
= 0; i
< TARGET_FPREGS
; i
++) {
6759 u
.i
= qemu_get_be32(f
);
6763 qemu_get_betls(f
, &env
->pc
);
6764 qemu_get_betls(f
, &env
->npc
);
6765 qemu_get_betls(f
, &env
->y
);
6766 tmp
= qemu_get_be32(f
);
6767 env
->cwp
= 0; /* needed to ensure that the wrapping registers are
6768 correctly updated */
6770 qemu_get_betls(f
, &env
->fsr
);
6771 qemu_get_betls(f
, &env
->tbr
);
6772 #ifndef TARGET_SPARC64
6773 qemu_get_be32s(f
, &env
->wim
);
6775 for(i
= 0; i
< 16; i
++)
6776 qemu_get_be32s(f
, &env
->mmuregs
[i
]);
6782 #elif defined(TARGET_ARM)
6784 void cpu_save(QEMUFile
*f
, void *opaque
)
6787 CPUARMState
*env
= (CPUARMState
*)opaque
;
6789 for (i
= 0; i
< 16; i
++) {
6790 qemu_put_be32(f
, env
->regs
[i
]);
6792 qemu_put_be32(f
, cpsr_read(env
));
6793 qemu_put_be32(f
, env
->spsr
);
6794 for (i
= 0; i
< 6; i
++) {
6795 qemu_put_be32(f
, env
->banked_spsr
[i
]);
6796 qemu_put_be32(f
, env
->banked_r13
[i
]);
6797 qemu_put_be32(f
, env
->banked_r14
[i
]);
6799 for (i
= 0; i
< 5; i
++) {
6800 qemu_put_be32(f
, env
->usr_regs
[i
]);
6801 qemu_put_be32(f
, env
->fiq_regs
[i
]);
6803 qemu_put_be32(f
, env
->cp15
.c0_cpuid
);
6804 qemu_put_be32(f
, env
->cp15
.c0_cachetype
);
6805 qemu_put_be32(f
, env
->cp15
.c1_sys
);
6806 qemu_put_be32(f
, env
->cp15
.c1_coproc
);
6807 qemu_put_be32(f
, env
->cp15
.c1_xscaleauxcr
);
6808 qemu_put_be32(f
, env
->cp15
.c2_base0
);
6809 qemu_put_be32(f
, env
->cp15
.c2_base1
);
6810 qemu_put_be32(f
, env
->cp15
.c2_mask
);
6811 qemu_put_be32(f
, env
->cp15
.c2_data
);
6812 qemu_put_be32(f
, env
->cp15
.c2_insn
);
6813 qemu_put_be32(f
, env
->cp15
.c3
);
6814 qemu_put_be32(f
, env
->cp15
.c5_insn
);
6815 qemu_put_be32(f
, env
->cp15
.c5_data
);
6816 for (i
= 0; i
< 8; i
++) {
6817 qemu_put_be32(f
, env
->cp15
.c6_region
[i
]);
6819 qemu_put_be32(f
, env
->cp15
.c6_insn
);
6820 qemu_put_be32(f
, env
->cp15
.c6_data
);
6821 qemu_put_be32(f
, env
->cp15
.c9_insn
);
6822 qemu_put_be32(f
, env
->cp15
.c9_data
);
6823 qemu_put_be32(f
, env
->cp15
.c13_fcse
);
6824 qemu_put_be32(f
, env
->cp15
.c13_context
);
6825 qemu_put_be32(f
, env
->cp15
.c13_tls1
);
6826 qemu_put_be32(f
, env
->cp15
.c13_tls2
);
6827 qemu_put_be32(f
, env
->cp15
.c13_tls3
);
6828 qemu_put_be32(f
, env
->cp15
.c15_cpar
);
6830 qemu_put_be32(f
, env
->features
);
6832 if (arm_feature(env
, ARM_FEATURE_VFP
)) {
6833 for (i
= 0; i
< 16; i
++) {
6835 u
.d
= env
->vfp
.regs
[i
];
6836 qemu_put_be32(f
, u
.l
.upper
);
6837 qemu_put_be32(f
, u
.l
.lower
);
6839 for (i
= 0; i
< 16; i
++) {
6840 qemu_put_be32(f
, env
->vfp
.xregs
[i
]);
6843 /* TODO: Should use proper FPSCR access functions. */
6844 qemu_put_be32(f
, env
->vfp
.vec_len
);
6845 qemu_put_be32(f
, env
->vfp
.vec_stride
);
6847 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
6848 for (i
= 16; i
< 32; i
++) {
6850 u
.d
= env
->vfp
.regs
[i
];
6851 qemu_put_be32(f
, u
.l
.upper
);
6852 qemu_put_be32(f
, u
.l
.lower
);
6857 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
6858 for (i
= 0; i
< 16; i
++) {
6859 qemu_put_be64(f
, env
->iwmmxt
.regs
[i
]);
6861 for (i
= 0; i
< 16; i
++) {
6862 qemu_put_be32(f
, env
->iwmmxt
.cregs
[i
]);
6866 if (arm_feature(env
, ARM_FEATURE_M
)) {
6867 qemu_put_be32(f
, env
->v7m
.other_sp
);
6868 qemu_put_be32(f
, env
->v7m
.vecbase
);
6869 qemu_put_be32(f
, env
->v7m
.basepri
);
6870 qemu_put_be32(f
, env
->v7m
.control
);
6871 qemu_put_be32(f
, env
->v7m
.current_sp
);
6872 qemu_put_be32(f
, env
->v7m
.exception
);
6876 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6878 CPUARMState
*env
= (CPUARMState
*)opaque
;
6881 if (version_id
!= ARM_CPU_SAVE_VERSION
)
6884 for (i
= 0; i
< 16; i
++) {
6885 env
->regs
[i
] = qemu_get_be32(f
);
6887 cpsr_write(env
, qemu_get_be32(f
), 0xffffffff);
6888 env
->spsr
= qemu_get_be32(f
);
6889 for (i
= 0; i
< 6; i
++) {
6890 env
->banked_spsr
[i
] = qemu_get_be32(f
);
6891 env
->banked_r13
[i
] = qemu_get_be32(f
);
6892 env
->banked_r14
[i
] = qemu_get_be32(f
);
6894 for (i
= 0; i
< 5; i
++) {
6895 env
->usr_regs
[i
] = qemu_get_be32(f
);
6896 env
->fiq_regs
[i
] = qemu_get_be32(f
);
6898 env
->cp15
.c0_cpuid
= qemu_get_be32(f
);
6899 env
->cp15
.c0_cachetype
= qemu_get_be32(f
);
6900 env
->cp15
.c1_sys
= qemu_get_be32(f
);
6901 env
->cp15
.c1_coproc
= qemu_get_be32(f
);
6902 env
->cp15
.c1_xscaleauxcr
= qemu_get_be32(f
);
6903 env
->cp15
.c2_base0
= qemu_get_be32(f
);
6904 env
->cp15
.c2_base1
= qemu_get_be32(f
);
6905 env
->cp15
.c2_mask
= qemu_get_be32(f
);
6906 env
->cp15
.c2_data
= qemu_get_be32(f
);
6907 env
->cp15
.c2_insn
= qemu_get_be32(f
);
6908 env
->cp15
.c3
= qemu_get_be32(f
);
6909 env
->cp15
.c5_insn
= qemu_get_be32(f
);
6910 env
->cp15
.c5_data
= qemu_get_be32(f
);
6911 for (i
= 0; i
< 8; i
++) {
6912 env
->cp15
.c6_region
[i
] = qemu_get_be32(f
);
6914 env
->cp15
.c6_insn
= qemu_get_be32(f
);
6915 env
->cp15
.c6_data
= qemu_get_be32(f
);
6916 env
->cp15
.c9_insn
= qemu_get_be32(f
);
6917 env
->cp15
.c9_data
= qemu_get_be32(f
);
6918 env
->cp15
.c13_fcse
= qemu_get_be32(f
);
6919 env
->cp15
.c13_context
= qemu_get_be32(f
);
6920 env
->cp15
.c13_tls1
= qemu_get_be32(f
);
6921 env
->cp15
.c13_tls2
= qemu_get_be32(f
);
6922 env
->cp15
.c13_tls3
= qemu_get_be32(f
);
6923 env
->cp15
.c15_cpar
= qemu_get_be32(f
);
6925 env
->features
= qemu_get_be32(f
);
6927 if (arm_feature(env
, ARM_FEATURE_VFP
)) {
6928 for (i
= 0; i
< 16; i
++) {
6930 u
.l
.upper
= qemu_get_be32(f
);
6931 u
.l
.lower
= qemu_get_be32(f
);
6932 env
->vfp
.regs
[i
] = u
.d
;
6934 for (i
= 0; i
< 16; i
++) {
6935 env
->vfp
.xregs
[i
] = qemu_get_be32(f
);
6938 /* TODO: Should use proper FPSCR access functions. */
6939 env
->vfp
.vec_len
= qemu_get_be32(f
);
6940 env
->vfp
.vec_stride
= qemu_get_be32(f
);
6942 if (arm_feature(env
, ARM_FEATURE_VFP3
)) {
6943 for (i
= 0; i
< 16; i
++) {
6945 u
.l
.upper
= qemu_get_be32(f
);
6946 u
.l
.lower
= qemu_get_be32(f
);
6947 env
->vfp
.regs
[i
] = u
.d
;
6952 if (arm_feature(env
, ARM_FEATURE_IWMMXT
)) {
6953 for (i
= 0; i
< 16; i
++) {
6954 env
->iwmmxt
.regs
[i
] = qemu_get_be64(f
);
6956 for (i
= 0; i
< 16; i
++) {
6957 env
->iwmmxt
.cregs
[i
] = qemu_get_be32(f
);
6961 if (arm_feature(env
, ARM_FEATURE_M
)) {
6962 env
->v7m
.other_sp
= qemu_get_be32(f
);
6963 env
->v7m
.vecbase
= qemu_get_be32(f
);
6964 env
->v7m
.basepri
= qemu_get_be32(f
);
6965 env
->v7m
.control
= qemu_get_be32(f
);
6966 env
->v7m
.current_sp
= qemu_get_be32(f
);
6967 env
->v7m
.exception
= qemu_get_be32(f
);
6973 #elif defined(TARGET_IA64)
6974 void cpu_save(QEMUFile
*f
, void *opaque
)
6978 int cpu_load(QEMUFile
*f
, void *opaque
, int version_id
)
6984 //#warning No CPU save/restore functions
6988 /***********************************************************/
6989 /* ram save/restore */
6991 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
6995 v
= qemu_get_byte(f
);
6998 if (qemu_get_buffer(f
, buf
, len
) != len
)
7002 v
= qemu_get_byte(f
);
7003 memset(buf
, v
, len
);
7011 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
7015 if (qemu_get_be32(f
) != phys_ram_size
)
7017 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
7019 if (kvm_allowed
&& (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
7022 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
7029 #define BDRV_HASH_BLOCK_SIZE 1024
7030 #define IOBUF_SIZE 4096
7031 #define RAM_CBLOCK_MAGIC 0xfabe
7033 typedef struct RamCompressState
{
7036 uint8_t buf
[IOBUF_SIZE
];
7039 static int ram_compress_open(RamCompressState
*s
, QEMUFile
*f
)
7042 memset(s
, 0, sizeof(*s
));
7044 ret
= deflateInit2(&s
->zstream
, 1,
7046 9, Z_DEFAULT_STRATEGY
);
7049 s
->zstream
.avail_out
= IOBUF_SIZE
;
7050 s
->zstream
.next_out
= s
->buf
;
7054 static void ram_put_cblock(RamCompressState
*s
, const uint8_t *buf
, int len
)
7056 qemu_put_be16(s
->f
, RAM_CBLOCK_MAGIC
);
7057 qemu_put_be16(s
->f
, len
);
7058 qemu_put_buffer(s
->f
, buf
, len
);
7061 static int ram_compress_buf(RamCompressState
*s
, const uint8_t *buf
, int len
)
7065 s
->zstream
.avail_in
= len
;
7066 s
->zstream
.next_in
= (uint8_t *)buf
;
7067 while (s
->zstream
.avail_in
> 0) {
7068 ret
= deflate(&s
->zstream
, Z_NO_FLUSH
);
7071 if (s
->zstream
.avail_out
== 0) {
7072 ram_put_cblock(s
, s
->buf
, IOBUF_SIZE
);
7073 s
->zstream
.avail_out
= IOBUF_SIZE
;
7074 s
->zstream
.next_out
= s
->buf
;
7080 static void ram_compress_close(RamCompressState
*s
)
7084 /* compress last bytes */
7086 ret
= deflate(&s
->zstream
, Z_FINISH
);
7087 if (ret
== Z_OK
|| ret
== Z_STREAM_END
) {
7088 len
= IOBUF_SIZE
- s
->zstream
.avail_out
;
7090 ram_put_cblock(s
, s
->buf
, len
);
7092 s
->zstream
.avail_out
= IOBUF_SIZE
;
7093 s
->zstream
.next_out
= s
->buf
;
7094 if (ret
== Z_STREAM_END
)
7101 deflateEnd(&s
->zstream
);
7104 typedef struct RamDecompressState
{
7107 uint8_t buf
[IOBUF_SIZE
];
7108 } RamDecompressState
;
7110 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
7113 memset(s
, 0, sizeof(*s
));
7115 ret
= inflateInit(&s
->zstream
);
7121 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
7125 s
->zstream
.avail_out
= len
;
7126 s
->zstream
.next_out
= buf
;
7127 while (s
->zstream
.avail_out
> 0) {
7128 if (s
->zstream
.avail_in
== 0) {
7129 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
7131 clen
= qemu_get_be16(s
->f
);
7132 if (clen
> IOBUF_SIZE
)
7134 qemu_get_buffer(s
->f
, s
->buf
, clen
);
7135 s
->zstream
.avail_in
= clen
;
7136 s
->zstream
.next_in
= s
->buf
;
7138 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
7139 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
7146 static void ram_decompress_close(RamDecompressState
*s
)
7148 inflateEnd(&s
->zstream
);
7151 static void ram_save_live(QEMUFile
*f
, void *opaque
)
7155 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
7157 if (kvm_allowed
&& (addr
>=0xa0000) && (addr
<0xc0000)) /* do not access video-addresses */
7160 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
)) {
7161 qemu_put_be32(f
, addr
);
7162 qemu_put_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
7165 qemu_put_be32(f
, 1);
7168 static void ram_save_static(QEMUFile
*f
, void *opaque
)
7171 RamCompressState s1
, *s
= &s1
;
7174 qemu_put_be32(f
, phys_ram_size
);
7175 if (ram_compress_open(s
, f
) < 0)
7177 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
7179 if (kvm_allowed
&& (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
7183 if (tight_savevm_enabled
) {
7187 /* find if the memory block is available on a virtual
7190 for(j
= 0; j
< nb_drives
; j
++) {
7191 sector_num
= bdrv_hash_find(drives_table
[j
].bdrv
,
7193 BDRV_HASH_BLOCK_SIZE
);
7194 if (sector_num
>= 0)
7198 goto normal_compress
;
7201 cpu_to_be64wu((uint64_t *)(buf
+ 2), sector_num
);
7202 ram_compress_buf(s
, buf
, 10);
7208 ram_compress_buf(s
, buf
, 1);
7209 ram_compress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
);
7212 ram_compress_close(s
);
7215 static void ram_save(QEMUFile
*f
, void *opaque
)
7217 int in_migration
= cpu_physical_memory_get_dirty_tracking();
7219 qemu_put_byte(f
, in_migration
);
7222 ram_save_live(f
, opaque
);
7224 ram_save_static(f
, opaque
);
7227 static int ram_load_live(QEMUFile
*f
, void *opaque
)
7232 addr
= qemu_get_be32(f
);
7236 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
7242 static int ram_load_static(QEMUFile
*f
, void *opaque
)
7244 RamDecompressState s1
, *s
= &s1
;
7248 if (qemu_get_be32(f
) != phys_ram_size
)
7250 if (ram_decompress_open(s
, f
) < 0)
7252 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
7254 if (kvm_allowed
&& (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
7257 if (ram_decompress_buf(s
, buf
, 1) < 0) {
7258 fprintf(stderr
, "Error while reading ram block header\n");
7262 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
7263 fprintf(stderr
, "Error while reading ram block address=0x%08x", i
);
7272 ram_decompress_buf(s
, buf
+ 1, 9);
7274 sector_num
= be64_to_cpupu((const uint64_t *)(buf
+ 2));
7275 if (bs_index
>= nb_drives
) {
7276 fprintf(stderr
, "Invalid block device index %d\n", bs_index
);
7279 if (bdrv_read(drives_table
[bs_index
].bdrv
, sector_num
,
7281 BDRV_HASH_BLOCK_SIZE
/ 512) < 0) {
7282 fprintf(stderr
, "Error while reading sector %d:%" PRId64
"\n",
7283 bs_index
, sector_num
);
7290 printf("Error block header\n");
7294 ram_decompress_close(s
);
7298 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
7302 switch (version_id
) {
7304 ret
= ram_load_v1(f
, opaque
);
7307 if (qemu_get_byte(f
)) {
7308 ret
= ram_load_live(f
, opaque
);
7312 ret
= ram_load_static(f
, opaque
);
7322 /***********************************************************/
7323 /* bottom halves (can be seen as timers which expire ASAP) */
7332 static QEMUBH
*first_bh
= NULL
;
7334 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
7337 bh
= qemu_mallocz(sizeof(QEMUBH
));
7341 bh
->opaque
= opaque
;
7345 int qemu_bh_poll(void)
7364 void qemu_bh_schedule(QEMUBH
*bh
)
7366 CPUState
*env
= cpu_single_env
;
7370 bh
->next
= first_bh
;
7373 /* stop the currently executing CPU to execute the BH ASAP */
7375 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
7379 void qemu_bh_cancel(QEMUBH
*bh
)
7382 if (bh
->scheduled
) {
7385 pbh
= &(*pbh
)->next
;
7391 void qemu_bh_delete(QEMUBH
*bh
)
7397 /***********************************************************/
7398 /* machine registration */
7400 QEMUMachine
*first_machine
= NULL
;
7402 int qemu_register_machine(QEMUMachine
*m
)
7405 pm
= &first_machine
;
7413 static QEMUMachine
*find_machine(const char *name
)
7417 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
7418 if (!strcmp(m
->name
, name
))
7424 /***********************************************************/
7425 /* main execution loop */
7427 static void gui_update(void *opaque
)
7429 DisplayState
*ds
= opaque
;
7430 ds
->dpy_refresh(ds
);
7431 qemu_mod_timer(ds
->gui_timer
, GUI_REFRESH_INTERVAL
+ qemu_get_clock(rt_clock
));
7434 struct vm_change_state_entry
{
7435 VMChangeStateHandler
*cb
;
7437 LIST_ENTRY (vm_change_state_entry
) entries
;
7440 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
7442 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
7445 VMChangeStateEntry
*e
;
7447 e
= qemu_mallocz(sizeof (*e
));
7453 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
7457 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
7459 LIST_REMOVE (e
, entries
);
7463 static void vm_state_notify(int running
)
7465 VMChangeStateEntry
*e
;
7467 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
7468 e
->cb(e
->opaque
, running
);
7472 /* XXX: support several handlers */
7473 static VMStopHandler
*vm_stop_cb
;
7474 static void *vm_stop_opaque
;
7476 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7479 vm_stop_opaque
= opaque
;
7483 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
7494 qemu_rearm_alarm_timer(alarm_timer
);
7498 void vm_stop(int reason
)
7501 cpu_disable_ticks();
7505 vm_stop_cb(vm_stop_opaque
, reason
);
7512 /* reset/shutdown handler */
7514 typedef struct QEMUResetEntry
{
7515 QEMUResetHandler
*func
;
7517 struct QEMUResetEntry
*next
;
7520 static QEMUResetEntry
*first_reset_entry
;
7521 static int reset_requested
;
7522 static int shutdown_requested
;
7523 static int powerdown_requested
;
7525 int qemu_shutdown_requested(void)
7527 int r
= shutdown_requested
;
7528 shutdown_requested
= 0;
7532 int qemu_reset_requested(void)
7534 int r
= reset_requested
;
7535 reset_requested
= 0;
7539 int qemu_powerdown_requested(void)
7541 int r
= powerdown_requested
;
7542 powerdown_requested
= 0;
7546 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
7548 QEMUResetEntry
**pre
, *re
;
7550 pre
= &first_reset_entry
;
7551 while (*pre
!= NULL
)
7552 pre
= &(*pre
)->next
;
7553 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
7555 re
->opaque
= opaque
;
7560 void qemu_system_reset(void)
7564 /* reset all devices */
7565 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
7566 re
->func(re
->opaque
);
7570 void qemu_system_reset_request(void)
7573 shutdown_requested
= 1;
7575 reset_requested
= 1;
7578 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7581 void qemu_system_shutdown_request(void)
7583 shutdown_requested
= 1;
7585 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7588 void qemu_system_powerdown_request(void)
7590 powerdown_requested
= 1;
7592 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
7595 void main_loop_wait(int timeout
)
7597 IOHandlerRecord
*ioh
;
7598 fd_set rfds
, wfds
, xfds
;
7607 /* XXX: need to suppress polling by better using win32 events */
7609 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
7610 ret
|= pe
->func(pe
->opaque
);
7615 WaitObjects
*w
= &wait_objects
;
7617 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, timeout
);
7618 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
7619 if (w
->func
[ret
- WAIT_OBJECT_0
])
7620 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
7622 /* Check for additional signaled events */
7623 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
7625 /* Check if event is signaled */
7626 ret2
= WaitForSingleObject(w
->events
[i
], 0);
7627 if(ret2
== WAIT_OBJECT_0
) {
7629 w
->func
[i
](w
->opaque
[i
]);
7630 } else if (ret2
== WAIT_TIMEOUT
) {
7632 err
= GetLastError();
7633 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
7636 } else if (ret
== WAIT_TIMEOUT
) {
7638 err
= GetLastError();
7639 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
7643 /* poll any events */
7644 /* XXX: separate device handlers from system ones */
7649 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7653 (!ioh
->fd_read_poll
||
7654 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
7655 FD_SET(ioh
->fd
, &rfds
);
7659 if (ioh
->fd_write
) {
7660 FD_SET(ioh
->fd
, &wfds
);
7670 tv
.tv_usec
= timeout
* 1000;
7672 #if defined(CONFIG_SLIRP)
7674 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
7678 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
7680 IOHandlerRecord
**pioh
;
7683 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
7684 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
7685 ioh
->fd_read(ioh
->opaque
);
7688 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
7689 ioh
->fd_write(ioh
->opaque
);
7694 /* remove deleted IO handlers */
7695 pioh
= &first_io_handler
;
7707 #if defined(CONFIG_SLIRP)
7714 slirp_select_poll(&rfds
, &wfds
, &xfds
);
7720 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
7721 qemu_get_clock(vm_clock
));
7722 /* run dma transfers, if any */
7726 /* real time timers */
7727 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
7728 qemu_get_clock(rt_clock
));
7730 /* Check bottom-halves last in case any of the earlier events triggered
7736 static int main_loop(void)
7739 #ifdef CONFIG_PROFILER
7748 cpu_disable_ticks();
7752 cur_cpu
= first_cpu
;
7753 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
7760 #ifdef CONFIG_PROFILER
7761 ti
= profile_getclock();
7763 ret
= cpu_exec(env
);
7764 #ifdef CONFIG_PROFILER
7765 qemu_time
+= profile_getclock() - ti
;
7767 next_cpu
= env
->next_cpu
?: first_cpu
;
7768 if (event_pending
) {
7769 ret
= EXCP_INTERRUPT
;
7773 if (ret
== EXCP_HLT
) {
7774 /* Give the next CPU a chance to run. */
7778 if (ret
!= EXCP_HALTED
)
7780 /* all CPUs are halted ? */
7786 if (shutdown_requested
) {
7787 ret
= EXCP_INTERRUPT
;
7790 if (reset_requested
) {
7791 reset_requested
= 0;
7792 qemu_system_reset();
7795 kvm_load_registers(env
);
7797 ret
= EXCP_INTERRUPT
;
7799 if (powerdown_requested
) {
7800 powerdown_requested
= 0;
7801 qemu_system_powerdown();
7802 ret
= EXCP_INTERRUPT
;
7804 if (ret
== EXCP_DEBUG
) {
7805 vm_stop(EXCP_DEBUG
);
7807 /* If all cpus are halted then wait until the next IRQ */
7808 /* XXX: use timeout computed from timers */
7809 if (ret
== EXCP_HALTED
)
7816 #ifdef CONFIG_PROFILER
7817 ti
= profile_getclock();
7819 main_loop_wait(timeout
);
7820 #ifdef CONFIG_PROFILER
7821 dev_time
+= profile_getclock() - ti
;
7824 cpu_disable_ticks();
7828 static void help(int exitcode
)
7830 printf("QEMU PC emulator version " QEMU_VERSION
" (" KVM_VERSION
")"
7831 ", Copyright (c) 2003-2007 Fabrice Bellard\n"
7832 "usage: %s [options] [disk_image]\n"
7834 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
7836 "Standard options:\n"
7837 "-M machine select emulated machine (-M ? for list)\n"
7838 "-cpu cpu select CPU (-cpu ? for list)\n"
7839 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
7840 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
7841 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
7842 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
7843 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][index=i]\n"
7844 " [,cyls=c,heads=h,secs=s[,trans=t]][snapshot=on|off]\n"
7845 " use 'file' as a drive image\n"
7846 "-mtdblock file use 'file' as on-board Flash memory image\n"
7847 "-sd file use 'file' as SecureDigital card image\n"
7848 "-pflash file use 'file' as a parallel flash image\n"
7849 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
7850 "-snapshot write to temporary files instead of disk image files\n"
7852 "-no-frame open SDL window without a frame and window decorations\n"
7853 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
7854 "-no-quit disable SDL window close capability\n"
7857 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
7859 "-m megs set virtual RAM size to megs MB [default=%d]\n"
7860 "-smp n set the number of CPUs to 'n' [default=1]\n"
7861 "-nographic disable graphical output and redirect serial I/Os to console\n"
7862 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
7864 "-k language use keyboard layout (for example \"fr\" for French)\n"
7867 "-audio-help print list of audio drivers and their options\n"
7868 "-soundhw c1,... enable audio support\n"
7869 " and only specified sound cards (comma separated list)\n"
7870 " use -soundhw ? to get the list of supported cards\n"
7871 " use -soundhw all to enable all of them\n"
7873 "-localtime set the real time clock to local time [default=utc]\n"
7874 "-full-screen start in full screen\n"
7876 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
7878 "-usb enable the USB driver (will be the default soon)\n"
7879 "-usbdevice name add the host or guest USB device 'name'\n"
7880 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
7881 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
7883 "-name string set the name of the guest\n"
7885 "Network options:\n"
7886 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
7887 " create a new Network Interface Card and connect it to VLAN 'n'\n"
7889 "-net user[,vlan=n][,hostname=host]\n"
7890 " connect the user mode network stack to VLAN 'n' and send\n"
7891 " hostname 'host' to DHCP clients\n"
7894 "-net tap[,vlan=n],ifname=name\n"
7895 " connect the host TAP network interface to VLAN 'n'\n"
7897 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
7898 " connect the host TAP network interface to VLAN 'n' and use the\n"
7899 " network scripts 'file' (default=%s)\n"
7900 " and 'dfile' (default=%s);\n"
7901 " use '[down]script=no' to disable script execution;\n"
7902 " use 'fd=h' to connect to an already opened TAP interface\n"
7904 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
7905 " connect the vlan 'n' to another VLAN using a socket connection\n"
7906 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
7907 " connect the vlan 'n' to multicast maddr and port\n"
7908 "-net none use it alone to have zero network devices; if no -net option\n"
7909 " is provided, the default is '-net nic -net user'\n"
7912 "-tftp dir allow tftp access to files in dir [-net user]\n"
7913 "-bootp file advertise file in BOOTP replies\n"
7915 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
7917 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
7918 " redirect TCP or UDP connections from host to guest [-net user]\n"
7921 "Linux boot specific:\n"
7922 "-kernel bzImage use 'bzImage' as kernel image\n"
7923 "-append cmdline use 'cmdline' as kernel command line\n"
7924 "-initrd file use 'file' as initial ram disk\n"
7926 "Debug/Expert options:\n"
7927 "-monitor dev redirect the monitor to char device 'dev'\n"
7928 "-vmchannel di:DI,dev redirect the hypercall device with device id DI, to char device 'dev'\n"
7929 "-balloon dev redirect the balloon hypercall device to char device 'dev'\n"
7930 "-serial dev redirect the serial port to char device 'dev'\n"
7931 "-parallel dev redirect the parallel port to char device 'dev'\n"
7932 "-pidfile file Write PID to 'file'\n"
7933 "-S freeze CPU at startup (use 'c' to start execution)\n"
7934 "-s wait gdb connection to port\n"
7935 "-p port set gdb connection port [default=%s]\n"
7936 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
7937 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
7938 " translation (t=none or lba) (usually qemu can guess them)\n"
7939 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
7941 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
7942 "-no-kqemu disable KQEMU kernel module usage\n"
7945 "-no-kvm disable KVM hardware virtualization\n"
7946 "-no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC\n"
7949 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
7950 " (default is CL-GD5446 PCI VGA)\n"
7951 "-no-acpi disable ACPI\n"
7953 "-no-reboot exit instead of rebooting\n"
7954 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
7955 "-vnc display start a VNC server on display\n"
7957 "-daemonize daemonize QEMU after initializing\n"
7959 "-tdf inject timer interrupts that got lost\n"
7960 "-kvm-shadow-memory megs set the amount of shadow pages to be allocated\n"
7961 "-option-rom rom load a file, rom, into the option ROM space\n"
7963 "-prom-env variable=value set OpenBIOS nvram variables\n"
7965 "-clock force the use of the given methods for timer alarm.\n"
7966 " To see what timers are available use -clock help\n"
7968 "During emulation, the following keys are useful:\n"
7969 "ctrl-alt-f toggle full screen\n"
7970 "ctrl-alt-n switch to virtual console 'n'\n"
7971 "ctrl-alt toggle mouse and keyboard grab\n"
7973 "When using -nographic, press 'ctrl-a h' to get some help.\n"
7978 DEFAULT_NETWORK_SCRIPT
,
7979 DEFAULT_NETWORK_DOWN_SCRIPT
,
7981 DEFAULT_GDBSTUB_PORT
,
7986 #define HAS_ARG 0x0001
8001 QEMU_OPTION_mtdblock
,
8005 QEMU_OPTION_snapshot
,
8007 QEMU_OPTION_no_fd_bootchk
,
8010 QEMU_OPTION_nographic
,
8011 QEMU_OPTION_portrait
,
8013 QEMU_OPTION_audio_help
,
8014 QEMU_OPTION_soundhw
,
8034 QEMU_OPTION_no_code_copy
,
8036 QEMU_OPTION_localtime
,
8037 QEMU_OPTION_cirrusvga
,
8040 QEMU_OPTION_std_vga
,
8042 QEMU_OPTION_monitor
,
8043 QEMU_OPTION_balloon
,
8044 QEMU_OPTION_vmchannel
,
8046 QEMU_OPTION_parallel
,
8048 QEMU_OPTION_full_screen
,
8049 QEMU_OPTION_no_frame
,
8050 QEMU_OPTION_alt_grab
,
8051 QEMU_OPTION_no_quit
,
8052 QEMU_OPTION_pidfile
,
8053 QEMU_OPTION_no_kqemu
,
8054 QEMU_OPTION_kernel_kqemu
,
8055 QEMU_OPTION_win2k_hack
,
8057 QEMU_OPTION_usbdevice
,
8060 QEMU_OPTION_no_acpi
,
8062 QEMU_OPTION_no_kvm_irqchip
,
8063 QEMU_OPTION_no_reboot
,
8064 QEMU_OPTION_show_cursor
,
8065 QEMU_OPTION_daemonize
,
8066 QEMU_OPTION_option_rom
,
8067 QEMU_OPTION_semihosting
,
8068 QEMU_OPTION_cpu_vendor
,
8070 QEMU_OPTION_prom_env
,
8071 QEMU_OPTION_old_param
,
8073 QEMU_OPTION_startdate
,
8074 QEMU_OPTION_incoming
,
8076 QEMU_OPTION_kvm_shadow_memory
,
8079 typedef struct QEMUOption
{
8085 const QEMUOption qemu_options
[] = {
8086 { "h", 0, QEMU_OPTION_h
},
8087 { "help", 0, QEMU_OPTION_h
},
8089 { "M", HAS_ARG
, QEMU_OPTION_M
},
8090 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
8091 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
8092 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
8093 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
8094 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
8095 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
8096 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
8097 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
8098 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
8099 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
8100 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
8101 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
8102 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
8103 { "snapshot", 0, QEMU_OPTION_snapshot
},
8105 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
8107 { "m", HAS_ARG
, QEMU_OPTION_m
},
8108 { "nographic", 0, QEMU_OPTION_nographic
},
8109 { "portrait", 0, QEMU_OPTION_portrait
},
8110 { "k", HAS_ARG
, QEMU_OPTION_k
},
8112 { "audio-help", 0, QEMU_OPTION_audio_help
},
8113 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
8116 { "net", HAS_ARG
, QEMU_OPTION_net
},
8118 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
8119 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
8121 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
8123 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
8126 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
8127 { "append", HAS_ARG
, QEMU_OPTION_append
},
8128 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
8130 { "S", 0, QEMU_OPTION_S
},
8131 { "s", 0, QEMU_OPTION_s
},
8132 { "p", HAS_ARG
, QEMU_OPTION_p
},
8133 { "d", HAS_ARG
, QEMU_OPTION_d
},
8134 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
8135 { "L", HAS_ARG
, QEMU_OPTION_L
},
8136 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
8137 { "no-code-copy", 0, QEMU_OPTION_no_code_copy
},
8139 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
8140 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
8143 { "no-kvm", 0, QEMU_OPTION_no_kvm
},
8144 { "no-kvm-irqchip", 0, QEMU_OPTION_no_kvm_irqchip
},
8146 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
8147 { "g", 1, QEMU_OPTION_g
},
8149 { "localtime", 0, QEMU_OPTION_localtime
},
8150 { "std-vga", 0, QEMU_OPTION_std_vga
},
8151 { "monitor", 1, QEMU_OPTION_monitor
},
8152 { "balloon", 1, QEMU_OPTION_balloon
},
8153 { "vmchannel", 1, QEMU_OPTION_vmchannel
},
8154 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
8155 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
8156 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
8157 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
8158 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
8159 { "incoming", 1, QEMU_OPTION_incoming
},
8160 { "full-screen", 0, QEMU_OPTION_full_screen
},
8162 { "no-frame", 0, QEMU_OPTION_no_frame
},
8163 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
8164 { "no-quit", 0, QEMU_OPTION_no_quit
},
8166 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
8167 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
8168 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
8169 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
8170 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
8172 /* temporary options */
8173 { "usb", 0, QEMU_OPTION_usb
},
8174 { "cirrusvga", 0, QEMU_OPTION_cirrusvga
},
8175 { "vmwarevga", 0, QEMU_OPTION_vmsvga
},
8176 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
8177 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
8178 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
8179 { "daemonize", 0, QEMU_OPTION_daemonize
},
8180 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
8181 #if defined(TARGET_ARM) || defined(TARGET_M68K)
8182 { "semihosting", 0, QEMU_OPTION_semihosting
},
8184 { "tdf", 0, QEMU_OPTION_tdf
}, /* enable time drift fix */
8185 { "kvm-shadow-memory", HAS_ARG
, QEMU_OPTION_kvm_shadow_memory
},
8186 { "name", HAS_ARG
, QEMU_OPTION_name
},
8187 #if defined(TARGET_SPARC)
8188 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
8190 { "cpu-vendor", HAS_ARG
, QEMU_OPTION_cpu_vendor
},
8191 #if defined(TARGET_ARM)
8192 { "old-param", 0, QEMU_OPTION_old_param
},
8194 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
8195 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
8199 /* password input */
8201 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
8206 if (!bdrv_is_encrypted(bs
))
8209 term_printf("%s is encrypted.\n", name
);
8210 for(i
= 0; i
< 3; i
++) {
8211 monitor_readline("Password: ", 1, password
, sizeof(password
));
8212 if (bdrv_set_key(bs
, password
) == 0)
8214 term_printf("invalid password\n");
8219 static BlockDriverState
*get_bdrv(int index
)
8221 if (index
> nb_drives
)
8223 return drives_table
[index
].bdrv
;
8226 static void read_passwords(void)
8228 BlockDriverState
*bs
;
8231 for(i
= 0; i
< 6; i
++) {
8234 qemu_key_check(bs
, bdrv_get_device_name(bs
));
8238 /* XXX: currently we cannot use simultaneously different CPUs */
8239 static void register_machines(void)
8241 #if defined(TARGET_I386)
8242 qemu_register_machine(&pc_machine
);
8243 qemu_register_machine(&isapc_machine
);
8244 #elif defined(TARGET_PPC)
8245 qemu_register_machine(&heathrow_machine
);
8246 qemu_register_machine(&core99_machine
);
8247 qemu_register_machine(&prep_machine
);
8248 qemu_register_machine(&ref405ep_machine
);
8249 qemu_register_machine(&taihu_machine
);
8250 #elif defined(TARGET_MIPS)
8251 qemu_register_machine(&mips_machine
);
8252 qemu_register_machine(&mips_malta_machine
);
8253 qemu_register_machine(&mips_pica61_machine
);
8254 qemu_register_machine(&mips_mipssim_machine
);
8255 #elif defined(TARGET_SPARC)
8256 #ifdef TARGET_SPARC64
8257 qemu_register_machine(&sun4u_machine
);
8259 qemu_register_machine(&ss5_machine
);
8260 qemu_register_machine(&ss10_machine
);
8261 qemu_register_machine(&ss600mp_machine
);
8262 qemu_register_machine(&ss20_machine
);
8264 #elif defined(TARGET_ARM)
8265 qemu_register_machine(&integratorcp_machine
);
8266 qemu_register_machine(&versatilepb_machine
);
8267 qemu_register_machine(&versatileab_machine
);
8268 qemu_register_machine(&realview_machine
);
8269 qemu_register_machine(&akitapda_machine
);
8270 qemu_register_machine(&spitzpda_machine
);
8271 qemu_register_machine(&borzoipda_machine
);
8272 qemu_register_machine(&terrierpda_machine
);
8273 qemu_register_machine(&palmte_machine
);
8274 qemu_register_machine(&lm3s811evb_machine
);
8275 qemu_register_machine(&lm3s6965evb_machine
);
8276 qemu_register_machine(&connex_machine
);
8277 qemu_register_machine(&verdex_machine
);
8278 qemu_register_machine(&mainstone2_machine
);
8279 #elif defined(TARGET_SH4)
8280 qemu_register_machine(&shix_machine
);
8281 qemu_register_machine(&r2d_machine
);
8282 #elif defined(TARGET_ALPHA)
8284 #elif defined(TARGET_M68K)
8285 qemu_register_machine(&mcf5208evb_machine
);
8286 qemu_register_machine(&an5206_machine
);
8287 qemu_register_machine(&dummy_m68k_machine
);
8288 #elif defined(TARGET_CRIS)
8289 qemu_register_machine(&bareetraxfs_machine
);
8290 #elif defined(TARGET_IA64)
8291 qemu_register_machine(&ipf_machine
);
8293 #error unsupported CPU
8298 struct soundhw soundhw
[] = {
8299 #ifdef HAS_AUDIO_CHOICE
8306 { .init_isa
= pcspk_audio_init
}
8311 "Creative Sound Blaster 16",
8314 { .init_isa
= SB16_init
}
8321 "Yamaha YMF262 (OPL3)",
8323 "Yamaha YM3812 (OPL2)",
8327 { .init_isa
= Adlib_init
}
8334 "Gravis Ultrasound GF1",
8337 { .init_isa
= GUS_init
}
8343 "ENSONIQ AudioPCI ES1370",
8346 { .init_pci
= es1370_init
}
8350 { NULL
, NULL
, 0, 0, { NULL
} }
8353 static void select_soundhw (const char *optarg
)
8357 if (*optarg
== '?') {
8360 printf ("Valid sound card names (comma separated):\n");
8361 for (c
= soundhw
; c
->name
; ++c
) {
8362 printf ("%-11s %s\n", c
->name
, c
->descr
);
8364 printf ("\n-soundhw all will enable all of the above\n");
8365 exit (*optarg
!= '?');
8373 if (!strcmp (optarg
, "all")) {
8374 for (c
= soundhw
; c
->name
; ++c
) {
8382 e
= strchr (p
, ',');
8383 l
= !e
? strlen (p
) : (size_t) (e
- p
);
8385 for (c
= soundhw
; c
->name
; ++c
) {
8386 if (!strncmp (c
->name
, p
, l
)) {
8395 "Unknown sound card name (too big to show)\n");
8398 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
8403 p
+= l
+ (e
!= NULL
);
8407 goto show_valid_cards
;
8413 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
8415 exit(STATUS_CONTROL_C_EXIT
);
8420 #define MAX_NET_CLIENTS 32
8422 static int saved_argc
;
8423 static char **saved_argv
;
8425 void qemu_get_launch_info(int *argc
, char ***argv
, int *opt_daemonize
, const char **opt_incoming
)
8429 *opt_daemonize
= daemonize
;
8430 *opt_incoming
= incoming
;
8433 int main(int argc
, char **argv
)
8435 #ifdef CONFIG_GDBSTUB
8437 const char *gdbstub_port
;
8439 uint32_t boot_devices_bitmap
= 0;
8441 int snapshot
, linux_boot
, net_boot
;
8442 const char *initrd_filename
;
8443 const char *kernel_filename
, *kernel_cmdline
;
8444 const char *boot_devices
= "";
8445 DisplayState
*ds
= &display_state
;
8446 int cyls
, heads
, secs
, translation
;
8447 char net_clients
[MAX_NET_CLIENTS
][256];
8451 const char *r
, *optarg
;
8452 CharDriverState
*monitor_hd
;
8453 char monitor_device
[128];
8454 char vmchannel_devices
[MAX_VMCHANNEL_DEVICES
][128];
8455 int vmchannel_device_index
;
8456 char serial_devices
[MAX_SERIAL_PORTS
][128];
8457 int serial_device_index
;
8458 char parallel_devices
[MAX_PARALLEL_PORTS
][128];
8459 int parallel_device_index
;
8460 const char *loadvm
= NULL
;
8461 QEMUMachine
*machine
;
8462 const char *cpu_model
;
8463 char usb_devices
[MAX_USB_CMDLINE
][128];
8464 int usb_devices_index
;
8466 const char *pid_file
= NULL
;
8472 LIST_INIT (&vm_change_state_head
);
8475 struct sigaction act
;
8476 sigfillset(&act
.sa_mask
);
8478 act
.sa_handler
= SIG_IGN
;
8479 sigaction(SIGPIPE
, &act
, NULL
);
8482 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
8483 /* Note: cpu_interrupt() is currently not SMP safe, so we force
8484 QEMU to run on a single CPU */
8489 h
= GetCurrentProcess();
8490 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
8491 for(i
= 0; i
< 32; i
++) {
8492 if (mask
& (1 << i
))
8497 SetProcessAffinityMask(h
, mask
);
8503 register_machines();
8504 machine
= first_machine
;
8506 initrd_filename
= NULL
;
8507 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
8508 vga_ram_size
= VGA_RAM_SIZE
;
8509 #ifdef CONFIG_GDBSTUB
8511 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
8515 kernel_filename
= NULL
;
8516 kernel_cmdline
= "";
8517 cyls
= heads
= secs
= 0;
8518 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8519 pstrcpy(monitor_device
, sizeof(monitor_device
), "vc");
8521 for(i
= 0; i
< MAX_VMCHANNEL_DEVICES
; i
++)
8522 vmchannel_devices
[i
][0] = '\0';
8523 vmchannel_device_index
= 0;
8525 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "vc");
8526 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
8527 serial_devices
[i
][0] = '\0';
8528 serial_device_index
= 0;
8530 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "vc");
8531 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
8532 parallel_devices
[i
][0] = '\0';
8533 parallel_device_index
= 0;
8535 usb_devices_index
= 0;
8543 /* default mac address of the first network interface */
8551 hda_index
= drive_add(HD_ALIAS
, argv
[optind
++], 0);
8553 const QEMUOption
*popt
;
8556 /* Treat --foo the same as -foo. */
8559 popt
= qemu_options
;
8562 fprintf(stderr
, "%s: invalid option -- '%s'\n",
8566 if (!strcmp(popt
->name
, r
+ 1))
8570 if (popt
->flags
& HAS_ARG
) {
8571 if (optind
>= argc
) {
8572 fprintf(stderr
, "%s: option '%s' requires an argument\n",
8576 optarg
= argv
[optind
++];
8581 switch(popt
->index
) {
8583 machine
= find_machine(optarg
);
8586 printf("Supported machines are:\n");
8587 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
8588 printf("%-10s %s%s\n",
8590 m
== first_machine
? " (default)" : "");
8592 exit(*optarg
!= '?');
8595 case QEMU_OPTION_cpu
:
8596 /* hw initialization will check this */
8597 if (*optarg
== '?') {
8598 /* XXX: implement xxx_cpu_list for targets that still miss it */
8599 #if defined(cpu_list)
8600 cpu_list(stdout
, &fprintf
);
8607 case QEMU_OPTION_initrd
:
8608 initrd_filename
= optarg
;
8610 case QEMU_OPTION_hda
:
8612 hda_index
= drive_add(HD_ALIAS
, optarg
, 0);
8614 hda_index
= drive_add(HD_ALIAS
8615 ",cyls=%d,heads=%d,secs=%d%s",
8616 optarg
, 0, cyls
, heads
, secs
,
8617 translation
== BIOS_ATA_TRANSLATION_LBA
?
8619 translation
== BIOS_ATA_TRANSLATION_NONE
?
8620 ",trans=none" : "");
8622 case QEMU_OPTION_hdb
:
8623 case QEMU_OPTION_hdc
:
8624 case QEMU_OPTION_hdd
:
8625 drive_add(HD_ALIAS
, optarg
, popt
->index
- QEMU_OPTION_hda
);
8627 case QEMU_OPTION_drive
:
8628 drive_add("%s", optarg
);
8630 case QEMU_OPTION_mtdblock
:
8631 drive_add(MTD_ALIAS
, optarg
);
8633 case QEMU_OPTION_sd
:
8634 drive_add("file=\"%s\"," SD_ALIAS
, optarg
);
8636 case QEMU_OPTION_pflash
:
8637 drive_add(PFLASH_ALIAS
, optarg
);
8639 case QEMU_OPTION_snapshot
:
8642 case QEMU_OPTION_hdachs
:
8646 cyls
= strtol(p
, (char **)&p
, 0);
8647 if (cyls
< 1 || cyls
> 16383)
8652 heads
= strtol(p
, (char **)&p
, 0);
8653 if (heads
< 1 || heads
> 16)
8658 secs
= strtol(p
, (char **)&p
, 0);
8659 if (secs
< 1 || secs
> 63)
8663 if (!strcmp(p
, "none"))
8664 translation
= BIOS_ATA_TRANSLATION_NONE
;
8665 else if (!strcmp(p
, "lba"))
8666 translation
= BIOS_ATA_TRANSLATION_LBA
;
8667 else if (!strcmp(p
, "auto"))
8668 translation
= BIOS_ATA_TRANSLATION_AUTO
;
8671 } else if (*p
!= '\0') {
8673 fprintf(stderr
, "qemu: invalid physical CHS format\n");
8676 if (hda_index
!= -1)
8677 snprintf(drives_opt
[hda_index
] +
8678 strlen(drives_opt
[hda_index
]),
8679 sizeof(drives_opt
[0]) -
8680 strlen(drives_opt
[hda_index
]),
8681 ",cyls=%d,heads=%d,secs=%d%s",
8683 translation
== BIOS_ATA_TRANSLATION_LBA
?
8685 translation
== BIOS_ATA_TRANSLATION_NONE
?
8686 ",trans=none" : "");
8689 case QEMU_OPTION_nographic
:
8690 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "stdio");
8691 pstrcpy(parallel_devices
[0], sizeof(parallel_devices
[0]), "null");
8692 pstrcpy(monitor_device
, sizeof(monitor_device
), "stdio");
8695 case QEMU_OPTION_portrait
:
8698 case QEMU_OPTION_kernel
:
8699 kernel_filename
= optarg
;
8701 case QEMU_OPTION_append
:
8702 kernel_cmdline
= optarg
;
8704 case QEMU_OPTION_cdrom
:
8705 drive_add("file=\"%s\"," CDROM_ALIAS
, optarg
);
8707 case QEMU_OPTION_boot
:
8708 boot_devices
= optarg
;
8709 /* We just do some generic consistency checks */
8711 /* Could easily be extended to 64 devices if needed */
8714 boot_devices_bitmap
= 0;
8715 for (p
= boot_devices
; *p
!= '\0'; p
++) {
8716 /* Allowed boot devices are:
8717 * a b : floppy disk drives
8718 * c ... f : IDE disk drives
8719 * g ... m : machine implementation dependant drives
8720 * n ... p : network devices
8721 * It's up to each machine implementation to check
8722 * if the given boot devices match the actual hardware
8723 * implementation and firmware features.
8725 if (*p
< 'a' || *p
> 'q') {
8726 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
8729 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
8731 "Boot device '%c' was given twice\n",*p
);
8734 boot_devices_bitmap
|= 1 << (*p
- 'a');
8738 case QEMU_OPTION_fda
:
8739 case QEMU_OPTION_fdb
:
8740 drive_add("file=\"%s\"," FD_ALIAS
, optarg
,
8741 popt
->index
- QEMU_OPTION_fda
);
8744 case QEMU_OPTION_no_fd_bootchk
:
8748 case QEMU_OPTION_no_code_copy
:
8749 code_copy_enabled
= 0;
8751 case QEMU_OPTION_net
:
8752 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
8753 fprintf(stderr
, "qemu: too many network clients\n");
8756 pstrcpy(net_clients
[nb_net_clients
],
8757 sizeof(net_clients
[0]),
8762 case QEMU_OPTION_tftp
:
8763 tftp_prefix
= optarg
;
8765 case QEMU_OPTION_bootp
:
8766 bootp_filename
= optarg
;
8769 case QEMU_OPTION_smb
:
8770 net_slirp_smb(optarg
);
8773 case QEMU_OPTION_redir
:
8774 net_slirp_redir(optarg
);
8778 case QEMU_OPTION_audio_help
:
8782 case QEMU_OPTION_soundhw
:
8783 select_soundhw (optarg
);
8790 ram_size
= (int64_t)atoi(optarg
) * 1024 * 1024;
8793 if (ram_size
> PHYS_RAM_MAX_SIZE
) {
8794 fprintf(stderr
, "qemu: at most %d MB RAM can be simulated\n",
8795 PHYS_RAM_MAX_SIZE
/ (1024 * 1024));
8804 mask
= cpu_str_to_log_mask(optarg
);
8806 printf("Log items (comma separated):\n");
8807 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
8808 printf("%-10s %s\n", item
->name
, item
->help
);
8815 #ifdef CONFIG_GDBSTUB
8820 gdbstub_port
= optarg
;
8826 case QEMU_OPTION_bios
:
8833 keyboard_layout
= optarg
;
8835 case QEMU_OPTION_localtime
:
8838 case QEMU_OPTION_cirrusvga
:
8839 cirrus_vga_enabled
= 1;
8842 case QEMU_OPTION_vmsvga
:
8843 cirrus_vga_enabled
= 0;
8846 case QEMU_OPTION_std_vga
:
8847 cirrus_vga_enabled
= 0;
8855 w
= strtol(p
, (char **)&p
, 10);
8858 fprintf(stderr
, "qemu: invalid resolution or depth\n");
8864 h
= strtol(p
, (char **)&p
, 10);
8869 depth
= strtol(p
, (char **)&p
, 10);
8870 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
8871 depth
!= 24 && depth
!= 32)
8873 } else if (*p
== '\0') {
8874 depth
= graphic_depth
;
8881 graphic_depth
= depth
;
8884 case QEMU_OPTION_echr
:
8887 term_escape_char
= strtol(optarg
, &r
, 0);
8889 printf("Bad argument to echr\n");
8892 case QEMU_OPTION_monitor
:
8893 pstrcpy(monitor_device
, sizeof(monitor_device
), optarg
);
8895 case QEMU_OPTION_balloon
:
8896 if (vmchannel_device_index
>= MAX_VMCHANNEL_DEVICES
) {
8897 fprintf(stderr
, "qemu: too many balloon/vmchannel devices\n");
8901 fprintf(stderr
, "qemu: only one balloon device can be used\n");
8904 sprintf(vmchannel_devices
[vmchannel_device_index
],"di:cdcd,%s", optarg
);
8905 vmchannel_device_index
++;
8908 case QEMU_OPTION_vmchannel
:
8909 if (vmchannel_device_index
>= MAX_VMCHANNEL_DEVICES
) {
8910 fprintf(stderr
, "qemu: too many balloon/vmchannel devices\n");
8913 pstrcpy(vmchannel_devices
[vmchannel_device_index
],
8914 sizeof(vmchannel_devices
[0]), optarg
);
8915 vmchannel_device_index
++;
8917 case QEMU_OPTION_serial
:
8918 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
8919 fprintf(stderr
, "qemu: too many serial ports\n");
8922 pstrcpy(serial_devices
[serial_device_index
],
8923 sizeof(serial_devices
[0]), optarg
);
8924 serial_device_index
++;
8926 case QEMU_OPTION_parallel
:
8927 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
8928 fprintf(stderr
, "qemu: too many parallel ports\n");
8931 pstrcpy(parallel_devices
[parallel_device_index
],
8932 sizeof(parallel_devices
[0]), optarg
);
8933 parallel_device_index
++;
8935 case QEMU_OPTION_loadvm
:
8938 case QEMU_OPTION_incoming
:
8941 case QEMU_OPTION_full_screen
:
8945 case QEMU_OPTION_no_frame
:
8948 case QEMU_OPTION_alt_grab
:
8951 case QEMU_OPTION_no_quit
:
8955 case QEMU_OPTION_pidfile
:
8959 case QEMU_OPTION_win2k_hack
:
8960 win2k_install_hack
= 1;
8964 case QEMU_OPTION_no_kqemu
:
8967 case QEMU_OPTION_kernel_kqemu
:
8972 case QEMU_OPTION_no_kvm
:
8975 case QEMU_OPTION_no_kvm_irqchip
:
8979 case QEMU_OPTION_usb
:
8982 case QEMU_OPTION_usbdevice
:
8984 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
8985 fprintf(stderr
, "Too many USB devices\n");
8988 pstrcpy(usb_devices
[usb_devices_index
],
8989 sizeof(usb_devices
[usb_devices_index
]),
8991 usb_devices_index
++;
8993 case QEMU_OPTION_smp
:
8994 smp_cpus
= atoi(optarg
);
8995 if (smp_cpus
< 1 || smp_cpus
> MAX_CPUS
) {
8996 fprintf(stderr
, "Invalid number of CPUs\n");
9000 case QEMU_OPTION_vnc
:
9001 vnc_display
= optarg
;
9003 case QEMU_OPTION_no_acpi
:
9006 case QEMU_OPTION_no_reboot
:
9009 case QEMU_OPTION_show_cursor
:
9012 case QEMU_OPTION_daemonize
:
9015 case QEMU_OPTION_option_rom
:
9016 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9017 fprintf(stderr
, "Too many option ROMs\n");
9020 option_rom
[nb_option_roms
] = optarg
;
9023 case QEMU_OPTION_semihosting
:
9024 semihosting_enabled
= 1;
9026 case QEMU_OPTION_tdf
:
9029 case QEMU_OPTION_kvm_shadow_memory
:
9030 kvm_shadow_memory
= (int64_t)atoi(optarg
) * 1024 * 1024 / 4096;
9032 case QEMU_OPTION_name
:
9036 case QEMU_OPTION_prom_env
:
9037 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
9038 fprintf(stderr
, "Too many prom variables\n");
9041 prom_envs
[nb_prom_envs
] = optarg
;
9045 case QEMU_OPTION_cpu_vendor
:
9046 cpu_vendor_string
= optarg
;
9049 case QEMU_OPTION_old_param
:
9052 case QEMU_OPTION_clock
:
9053 configure_alarms(optarg
);
9055 case QEMU_OPTION_startdate
:
9058 if (!strcmp(optarg
, "now")) {
9059 rtc_start_date
= -1;
9061 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
9069 } else if (sscanf(optarg
, "%d-%d-%d",
9072 &tm
.tm_mday
) == 3) {
9081 rtc_start_date
= mktimegm(&tm
);
9082 if (rtc_start_date
== -1) {
9084 fprintf(stderr
, "Invalid date format. Valid format are:\n"
9085 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
9099 if (pipe(fds
) == -1)
9110 len
= read(fds
[0], &status
, 1);
9111 if (len
== -1 && (errno
== EINTR
))
9116 else if (status
== 1) {
9117 fprintf(stderr
, "Could not acquire pidfile\n");
9134 signal(SIGTSTP
, SIG_IGN
);
9135 signal(SIGTTOU
, SIG_IGN
);
9136 signal(SIGTTIN
, SIG_IGN
);
9142 if (kvm_qemu_init() < 0) {
9143 fprintf(stderr
, "Could not initialize KVM, will disable KVM support\n");
9149 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
9152 write(fds
[1], &status
, 1);
9154 fprintf(stderr
, "Could not acquire pid file\n");
9162 linux_boot
= (kernel_filename
!= NULL
);
9163 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
9165 /* XXX: this should not be: some embedded targets just have flash */
9166 if (!linux_boot
&& net_boot
== 0 &&
9170 /* boot to floppy or the default cd if no hard disk defined yet */
9171 if (!boot_devices
[0]) {
9172 boot_devices
= "cad";
9174 setvbuf(stdout
, NULL
, _IOLBF
, 0);
9184 /* init network clients */
9185 if (nb_net_clients
== 0) {
9186 /* if no clients, we use a default config */
9187 pstrcpy(net_clients
[0], sizeof(net_clients
[0]),
9189 pstrcpy(net_clients
[1], sizeof(net_clients
[0]),
9194 for(i
= 0;i
< nb_net_clients
; i
++) {
9195 if (net_client_init(net_clients
[i
]) < 0)
9198 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9199 if (vlan
->nb_guest_devs
== 0 && vlan
->nb_host_devs
== 0)
9201 if (vlan
->nb_guest_devs
== 0) {
9202 fprintf(stderr
, "Invalid vlan (%d) with no nics\n", vlan
->id
);
9205 if (vlan
->nb_host_devs
== 0)
9207 "Warning: vlan %d is not connected to host network\n",
9212 /* XXX: this should be moved in the PC machine instantiation code */
9213 if (net_boot
!= 0) {
9215 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
9216 const char *model
= nd_table
[i
].model
;
9218 if (net_boot
& (1 << i
)) {
9221 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
9222 if (get_image_size(buf
) > 0) {
9223 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
9224 fprintf(stderr
, "Too many option ROMs\n");
9227 option_rom
[nb_option_roms
] = strdup(buf
);
9234 fprintf(stderr
, "No valid PXE rom found for network device\n");
9240 /* init the memory */
9241 phys_ram_size
= ram_size
+ vga_ram_size
+ MAX_BIOS_SIZE
;
9244 /* Initialize kvm */
9246 #define KVM_EXTRA_PAGES 0
9248 #define KVM_EXTRA_PAGES 3
9251 phys_ram_size
+= KVM_EXTRA_PAGES
* TARGET_PAGE_SIZE
;
9252 if (kvm_qemu_create_context() < 0) {
9253 fprintf(stderr
, "Could not create KVM context\n");
9256 #ifdef KVM_CAP_USER_MEMORY
9260 ret
= kvm_qemu_check_extension(KVM_CAP_USER_MEMORY
);
9262 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
9263 if (!phys_ram_base
) {
9264 fprintf(stderr
, "Could not allocate physical memory\n");
9271 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
9272 if (!phys_ram_base
) {
9273 fprintf(stderr
, "Could not allocate physical memory\n");
9278 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
9279 if (!phys_ram_base
) {
9280 fprintf(stderr
, "Could not allocate physical memory\n");
9287 /* we always create the cdrom drive, even if no disk is there */
9289 if (nb_drives_opt
< MAX_DRIVES
)
9290 drive_add(CDROM_ALIAS
);
9292 /* we always create at least one floppy */
9294 if (nb_drives_opt
< MAX_DRIVES
)
9295 drive_add(FD_ALIAS
, 0);
9297 /* we always create one sd slot, even if no card is in it */
9299 if (nb_drives_opt
< MAX_DRIVES
)
9300 drive_add(SD_ALIAS
);
9302 /* open the virtual block devices */
9304 for(i
= 0; i
< nb_drives_opt
; i
++)
9305 if (drive_init(drives_opt
[i
], snapshot
, machine
) == -1)
9308 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
9309 register_savevm("ram", 0, 3, ram_save
, ram_load
, NULL
);
9314 memset(&display_state
, 0, sizeof(display_state
));
9316 /* nearly nothing to do */
9317 dumb_display_init(ds
);
9318 } else if (vnc_display
!= NULL
) {
9319 vnc_display_init(ds
);
9320 if (vnc_display_open(ds
, vnc_display
) < 0)
9323 #if defined(CONFIG_SDL)
9324 sdl_display_init(ds
, full_screen
, no_frame
);
9325 #elif defined(CONFIG_COCOA)
9326 cocoa_display_init(ds
, full_screen
);
9328 dumb_display_init(ds
);
9332 /* Maintain compatibility with multiple stdio monitors */
9333 if (!strcmp(monitor_device
,"stdio")) {
9334 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9335 if (!strcmp(serial_devices
[i
],"mon:stdio")) {
9336 monitor_device
[0] = '\0';
9338 } else if (!strcmp(serial_devices
[i
],"stdio")) {
9339 monitor_device
[0] = '\0';
9340 pstrcpy(serial_devices
[0], sizeof(serial_devices
[0]), "mon:stdio");
9345 if (monitor_device
[0] != '\0') {
9346 monitor_hd
= qemu_chr_open(monitor_device
);
9348 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
9351 monitor_init(monitor_hd
, !nographic
);
9354 for(i
= 0; i
< MAX_VMCHANNEL_DEVICES
; i
++) {
9355 const char *devname
= vmchannel_devices
[i
];
9356 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9360 if (strstart(devname
, "di:", &devname
)) {
9361 devid
= strtol(devname
, &termn
, 16);
9362 devname
= termn
+ 1;
9365 fprintf(stderr
, "qemu: could not find vmchannel device id '%s'\n",
9369 vmchannel_hds
[i
] = qemu_chr_open(devname
);
9370 if (!vmchannel_hds
[i
]) {
9371 fprintf(stderr
, "qemu: could not open vmchannel device '%s'\n",
9375 vmchannel_init(vmchannel_hds
[i
], devid
, i
);
9379 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
9380 const char *devname
= serial_devices
[i
];
9381 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9382 serial_hds
[i
] = qemu_chr_open(devname
);
9383 if (!serial_hds
[i
]) {
9384 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
9388 if (strstart(devname
, "vc", 0))
9389 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
9393 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
9394 const char *devname
= parallel_devices
[i
];
9395 if (devname
[0] != '\0' && strcmp(devname
, "none")) {
9396 parallel_hds
[i
] = qemu_chr_open(devname
);
9397 if (!parallel_hds
[i
]) {
9398 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
9402 if (strstart(devname
, "vc", 0))
9403 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
9407 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
9408 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
9410 /* init USB devices */
9412 for(i
= 0; i
< usb_devices_index
; i
++) {
9413 if (usb_device_add(usb_devices
[i
]) < 0) {
9414 fprintf(stderr
, "Warning: could not add USB device %s\n",
9420 if (display_state
.dpy_refresh
) {
9421 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
9422 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
9430 #ifdef CONFIG_GDBSTUB
9432 /* XXX: use standard host:port notation and modify options
9434 if (gdbserver_start(gdbstub_port
) < 0) {
9435 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
9447 rc
= migrate_incoming(incoming
);
9449 fprintf(stderr
, "Migration failed rc=%d\n", rc
);
9455 /* XXX: simplify init */
9468 len
= write(fds
[1], &status
, 1);
9469 if (len
== -1 && (errno
== EINTR
))
9476 TFR(fd
= open("/dev/null", O_RDWR
));
9490 #if !defined(_WIN32)
9491 /* close network clients */
9492 for(vlan
= first_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
9493 VLANClientState
*vc
;
9495 for(vc
= vlan
->first_client
; vc
!= NULL
; vc
= vc
->next
) {
9496 if (vc
->fd_read
== tap_receive
) {
9498 TAPState
*s
= vc
->opaque
;
9500 if (sscanf(vc
->info_str
, "tap: ifname=%63s ", ifname
) == 1 &&
9502 launch_script(s
->down_script
, ifname
, s
->fd
);