4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "hw/boards.h"
27 #include "hw/pcmcia.h"
29 #include "hw/audiodev.h"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
40 #include "audio/audio.h"
41 #include "migration.h"
53 #include <sys/times.h>
57 #include <sys/ioctl.h>
58 #include <sys/resource.h>
59 #include <sys/socket.h>
60 #include <netinet/in.h>
62 #if defined(__NetBSD__)
63 #include <net/if_tap.h>
66 #include <linux/if_tun.h>
68 #include <arpa/inet.h>
71 #include <sys/select.h>
79 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
80 #include <freebsd/stdlib.h>
85 #include <linux/rtc.h>
87 /* For the benefit of older linux systems which don't supply it,
88 we use a local copy of hpet.h. */
89 /* #include <linux/hpet.h> */
92 #include <linux/ppdev.h>
93 #include <linux/parport.h>
97 #include <sys/ethernet.h>
98 #include <sys/sockio.h>
99 #include <netinet/arp.h>
100 #include <netinet/in.h>
101 #include <netinet/in_systm.h>
102 #include <netinet/ip.h>
103 #include <netinet/ip_icmp.h> // must come after ip.h
104 #include <netinet/udp.h>
105 #include <netinet/tcp.h>
113 #include "qemu_socket.h"
115 #if defined(CONFIG_SLIRP)
116 #include "libslirp.h"
119 #if defined(__OpenBSD__)
123 #if defined(CONFIG_VDE)
124 #include <libvdeplug.h>
129 #include <sys/timeb.h>
130 #include <mmsystem.h>
131 #define getopt_long_only getopt_long
132 #define memalign(align, size) malloc(size)
139 #endif /* CONFIG_SDL */
143 #define main qemu_main
144 #endif /* CONFIG_COCOA */
148 #include "exec-all.h"
150 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
151 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
153 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
155 #define SMBD_COMMAND "/usr/sbin/smbd"
158 //#define DEBUG_UNUSED_IOPORT
159 //#define DEBUG_IOPORT
161 //#define DEBUG_SLIRP
164 #define DEFAULT_RAM_SIZE 144
166 #define DEFAULT_RAM_SIZE 128
169 /* Max number of USB devices that can be specified on the commandline. */
170 #define MAX_USB_CMDLINE 8
172 /* Max number of bluetooth switches on the commandline. */
173 #define MAX_BT_CMDLINE 10
175 /* XXX: use a two level table to limit memory usage */
176 #define MAX_IOPORTS 65536
178 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
179 const char *bios_name
= NULL
;
180 static void *ioport_opaque
[MAX_IOPORTS
];
181 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
182 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
183 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
184 to store the VM snapshots */
185 DriveInfo drives_table
[MAX_DRIVES
+1];
187 static int vga_ram_size
;
188 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
189 DisplayState display_state
;
192 const char* keyboard_layout
= NULL
;
193 int64_t ticks_per_sec
;
196 NICInfo nd_table
[MAX_NICS
];
198 static int rtc_utc
= 1;
199 static int rtc_date_offset
= -1; /* -1 means no change */
200 int cirrus_vga_enabled
= 1;
201 int vmsvga_enabled
= 0;
203 int graphic_width
= 1024;
204 int graphic_height
= 768;
205 int graphic_depth
= 8;
207 int graphic_width
= 800;
208 int graphic_height
= 600;
209 int graphic_depth
= 15;
211 static int full_screen
= 0;
213 static int no_frame
= 0;
216 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
217 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
219 int win2k_install_hack
= 0;
223 const char *vnc_display
;
224 int acpi_enabled
= 1;
229 int graphic_rotate
= 0;
231 const char *option_rom
[MAX_OPTION_ROMS
];
233 int semihosting_enabled
= 0;
237 const char *qemu_name
;
240 unsigned int nb_prom_envs
= 0;
241 const char *prom_envs
[MAX_PROM_ENVS
];
243 static int nb_drives_opt
;
244 static struct drive_opt
{
247 } drives_opt
[MAX_DRIVES
];
249 static CPUState
*cur_cpu
;
250 static CPUState
*next_cpu
;
251 static int event_pending
= 1;
252 /* Conversion factor from emulated instructions to virtual clock ticks. */
253 static int icount_time_shift
;
254 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
255 #define MAX_ICOUNT_SHIFT 10
256 /* Compensate for varying guest execution speed. */
257 static int64_t qemu_icount_bias
;
258 static QEMUTimer
*icount_rt_timer
;
259 static QEMUTimer
*icount_vm_timer
;
261 uint8_t qemu_uuid
[16];
263 /***********************************************************/
264 /* x86 ISA bus support */
266 target_phys_addr_t isa_mem_base
= 0;
269 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
270 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
272 static uint32_t ioport_read(int index
, uint32_t address
)
274 static IOPortReadFunc
*default_func
[3] = {
275 default_ioport_readb
,
276 default_ioport_readw
,
279 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
281 func
= default_func
[index
];
282 return func(ioport_opaque
[address
], address
);
285 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
287 static IOPortWriteFunc
*default_func
[3] = {
288 default_ioport_writeb
,
289 default_ioport_writew
,
290 default_ioport_writel
292 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
294 func
= default_func
[index
];
295 func(ioport_opaque
[address
], address
, data
);
298 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
300 #ifdef DEBUG_UNUSED_IOPORT
301 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
306 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
308 #ifdef DEBUG_UNUSED_IOPORT
309 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
313 /* default is to make two byte accesses */
314 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
317 data
= ioport_read(0, address
);
318 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
319 data
|= ioport_read(0, address
) << 8;
323 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
325 ioport_write(0, address
, data
& 0xff);
326 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
327 ioport_write(0, address
, (data
>> 8) & 0xff);
330 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
332 #ifdef DEBUG_UNUSED_IOPORT
333 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
338 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
340 #ifdef DEBUG_UNUSED_IOPORT
341 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
345 /* size is the word size in byte */
346 int register_ioport_read(int start
, int length
, int size
,
347 IOPortReadFunc
*func
, void *opaque
)
353 } else if (size
== 2) {
355 } else if (size
== 4) {
358 hw_error("register_ioport_read: invalid size");
361 for(i
= start
; i
< start
+ length
; i
+= size
) {
362 ioport_read_table
[bsize
][i
] = func
;
363 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
364 hw_error("register_ioport_read: invalid opaque");
365 ioport_opaque
[i
] = opaque
;
370 /* size is the word size in byte */
371 int register_ioport_write(int start
, int length
, int size
,
372 IOPortWriteFunc
*func
, void *opaque
)
378 } else if (size
== 2) {
380 } else if (size
== 4) {
383 hw_error("register_ioport_write: invalid size");
386 for(i
= start
; i
< start
+ length
; i
+= size
) {
387 ioport_write_table
[bsize
][i
] = func
;
388 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
389 hw_error("register_ioport_write: invalid opaque");
390 ioport_opaque
[i
] = opaque
;
395 void isa_unassign_ioport(int start
, int length
)
399 for(i
= start
; i
< start
+ length
; i
++) {
400 ioport_read_table
[0][i
] = default_ioport_readb
;
401 ioport_read_table
[1][i
] = default_ioport_readw
;
402 ioport_read_table
[2][i
] = default_ioport_readl
;
404 ioport_write_table
[0][i
] = default_ioport_writeb
;
405 ioport_write_table
[1][i
] = default_ioport_writew
;
406 ioport_write_table
[2][i
] = default_ioport_writel
;
410 /***********************************************************/
412 void cpu_outb(CPUState
*env
, int addr
, int val
)
415 if (loglevel
& CPU_LOG_IOPORT
)
416 fprintf(logfile
, "outb: %04x %02x\n", addr
, val
);
418 ioport_write(0, addr
, val
);
421 env
->last_io_time
= cpu_get_time_fast();
425 void cpu_outw(CPUState
*env
, int addr
, int val
)
428 if (loglevel
& CPU_LOG_IOPORT
)
429 fprintf(logfile
, "outw: %04x %04x\n", addr
, val
);
431 ioport_write(1, addr
, val
);
434 env
->last_io_time
= cpu_get_time_fast();
438 void cpu_outl(CPUState
*env
, int addr
, int val
)
441 if (loglevel
& CPU_LOG_IOPORT
)
442 fprintf(logfile
, "outl: %04x %08x\n", addr
, val
);
444 ioport_write(2, addr
, val
);
447 env
->last_io_time
= cpu_get_time_fast();
451 int cpu_inb(CPUState
*env
, int addr
)
454 val
= ioport_read(0, addr
);
456 if (loglevel
& CPU_LOG_IOPORT
)
457 fprintf(logfile
, "inb : %04x %02x\n", addr
, val
);
461 env
->last_io_time
= cpu_get_time_fast();
466 int cpu_inw(CPUState
*env
, int addr
)
469 val
= ioport_read(1, addr
);
471 if (loglevel
& CPU_LOG_IOPORT
)
472 fprintf(logfile
, "inw : %04x %04x\n", addr
, val
);
476 env
->last_io_time
= cpu_get_time_fast();
481 int cpu_inl(CPUState
*env
, int addr
)
484 val
= ioport_read(2, addr
);
486 if (loglevel
& CPU_LOG_IOPORT
)
487 fprintf(logfile
, "inl : %04x %08x\n", addr
, val
);
491 env
->last_io_time
= cpu_get_time_fast();
496 /***********************************************************/
497 void hw_error(const char *fmt
, ...)
503 fprintf(stderr
, "qemu: hardware error: ");
504 vfprintf(stderr
, fmt
, ap
);
505 fprintf(stderr
, "\n");
506 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
507 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
509 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
511 cpu_dump_state(env
, stderr
, fprintf
, 0);
518 /***********************************************************/
521 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
522 static void *qemu_put_kbd_event_opaque
;
523 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
524 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
526 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
528 qemu_put_kbd_event_opaque
= opaque
;
529 qemu_put_kbd_event
= func
;
532 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
533 void *opaque
, int absolute
,
536 QEMUPutMouseEntry
*s
, *cursor
;
538 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
542 s
->qemu_put_mouse_event
= func
;
543 s
->qemu_put_mouse_event_opaque
= opaque
;
544 s
->qemu_put_mouse_event_absolute
= absolute
;
545 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
548 if (!qemu_put_mouse_event_head
) {
549 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
553 cursor
= qemu_put_mouse_event_head
;
554 while (cursor
->next
!= NULL
)
555 cursor
= cursor
->next
;
558 qemu_put_mouse_event_current
= s
;
563 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
565 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
567 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
570 cursor
= qemu_put_mouse_event_head
;
571 while (cursor
!= NULL
&& cursor
!= entry
) {
573 cursor
= cursor
->next
;
576 if (cursor
== NULL
) // does not exist or list empty
578 else if (prev
== NULL
) { // entry is head
579 qemu_put_mouse_event_head
= cursor
->next
;
580 if (qemu_put_mouse_event_current
== entry
)
581 qemu_put_mouse_event_current
= cursor
->next
;
582 qemu_free(entry
->qemu_put_mouse_event_name
);
587 prev
->next
= entry
->next
;
589 if (qemu_put_mouse_event_current
== entry
)
590 qemu_put_mouse_event_current
= prev
;
592 qemu_free(entry
->qemu_put_mouse_event_name
);
596 void kbd_put_keycode(int keycode
)
598 if (qemu_put_kbd_event
) {
599 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
603 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
605 QEMUPutMouseEvent
*mouse_event
;
606 void *mouse_event_opaque
;
609 if (!qemu_put_mouse_event_current
) {
614 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
616 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
619 if (graphic_rotate
) {
620 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
623 width
= graphic_width
- 1;
624 mouse_event(mouse_event_opaque
,
625 width
- dy
, dx
, dz
, buttons_state
);
627 mouse_event(mouse_event_opaque
,
628 dx
, dy
, dz
, buttons_state
);
632 int kbd_mouse_is_absolute(void)
634 if (!qemu_put_mouse_event_current
)
637 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
640 void do_info_mice(void)
642 QEMUPutMouseEntry
*cursor
;
645 if (!qemu_put_mouse_event_head
) {
646 term_printf("No mouse devices connected\n");
650 term_printf("Mouse devices available:\n");
651 cursor
= qemu_put_mouse_event_head
;
652 while (cursor
!= NULL
) {
653 term_printf("%c Mouse #%d: %s\n",
654 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
655 index
, cursor
->qemu_put_mouse_event_name
);
657 cursor
= cursor
->next
;
661 void do_mouse_set(int index
)
663 QEMUPutMouseEntry
*cursor
;
666 if (!qemu_put_mouse_event_head
) {
667 term_printf("No mouse devices connected\n");
671 cursor
= qemu_put_mouse_event_head
;
672 while (cursor
!= NULL
&& index
!= i
) {
674 cursor
= cursor
->next
;
678 qemu_put_mouse_event_current
= cursor
;
680 term_printf("Mouse at given index not found\n");
683 /* compute with 96 bit intermediate result: (a*b)/c */
684 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
689 #ifdef WORDS_BIGENDIAN
699 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
700 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
703 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
707 /***********************************************************/
708 /* real time host monotonic timer */
710 #define QEMU_TIMER_BASE 1000000000LL
714 static int64_t clock_freq
;
716 static void init_get_clock(void)
720 ret
= QueryPerformanceFrequency(&freq
);
722 fprintf(stderr
, "Could not calibrate ticks\n");
725 clock_freq
= freq
.QuadPart
;
728 static int64_t get_clock(void)
731 QueryPerformanceCounter(&ti
);
732 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
737 static int use_rt_clock
;
739 static void init_get_clock(void)
742 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
745 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
752 static int64_t get_clock(void)
754 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
757 clock_gettime(CLOCK_MONOTONIC
, &ts
);
758 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
762 /* XXX: using gettimeofday leads to problems if the date
763 changes, so it should be avoided. */
765 gettimeofday(&tv
, NULL
);
766 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
771 /* Return the virtual CPU time, based on the instruction counter. */
772 static int64_t cpu_get_icount(void)
775 CPUState
*env
= cpu_single_env
;;
776 icount
= qemu_icount
;
779 fprintf(stderr
, "Bad clock read\n");
780 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
782 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
785 /***********************************************************/
786 /* guest cycle counter */
788 static int64_t cpu_ticks_prev
;
789 static int64_t cpu_ticks_offset
;
790 static int64_t cpu_clock_offset
;
791 static int cpu_ticks_enabled
;
793 /* return the host CPU cycle counter and handle stop/restart */
794 int64_t cpu_get_ticks(void)
797 return cpu_get_icount();
799 if (!cpu_ticks_enabled
) {
800 return cpu_ticks_offset
;
803 ticks
= cpu_get_real_ticks();
804 if (cpu_ticks_prev
> ticks
) {
805 /* Note: non increasing ticks may happen if the host uses
807 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
809 cpu_ticks_prev
= ticks
;
810 return ticks
+ cpu_ticks_offset
;
814 /* return the host CPU monotonic timer and handle stop/restart */
815 static int64_t cpu_get_clock(void)
818 if (!cpu_ticks_enabled
) {
819 return cpu_clock_offset
;
822 return ti
+ cpu_clock_offset
;
826 /* enable cpu_get_ticks() */
827 void cpu_enable_ticks(void)
829 if (!cpu_ticks_enabled
) {
830 cpu_ticks_offset
-= cpu_get_real_ticks();
831 cpu_clock_offset
-= get_clock();
832 cpu_ticks_enabled
= 1;
836 /* disable cpu_get_ticks() : the clock is stopped. You must not call
837 cpu_get_ticks() after that. */
838 void cpu_disable_ticks(void)
840 if (cpu_ticks_enabled
) {
841 cpu_ticks_offset
= cpu_get_ticks();
842 cpu_clock_offset
= cpu_get_clock();
843 cpu_ticks_enabled
= 0;
847 /***********************************************************/
850 #define QEMU_TIMER_REALTIME 0
851 #define QEMU_TIMER_VIRTUAL 1
855 /* XXX: add frequency */
863 struct QEMUTimer
*next
;
866 struct qemu_alarm_timer
{
870 int (*start
)(struct qemu_alarm_timer
*t
);
871 void (*stop
)(struct qemu_alarm_timer
*t
);
872 void (*rearm
)(struct qemu_alarm_timer
*t
);
876 #define ALARM_FLAG_DYNTICKS 0x1
877 #define ALARM_FLAG_EXPIRED 0x2
879 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
881 return t
->flags
& ALARM_FLAG_DYNTICKS
;
884 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
886 if (!alarm_has_dynticks(t
))
892 /* TODO: MIN_TIMER_REARM_US should be optimized */
893 #define MIN_TIMER_REARM_US 250
895 static struct qemu_alarm_timer
*alarm_timer
;
897 static int alarm_timer_rfd
, alarm_timer_wfd
;
902 struct qemu_alarm_win32
{
906 } alarm_win32_data
= {0, NULL
, -1};
908 static int win32_start_timer(struct qemu_alarm_timer
*t
);
909 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
910 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
914 static int unix_start_timer(struct qemu_alarm_timer
*t
);
915 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
919 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
920 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
921 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
923 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
924 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
926 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
927 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
929 #endif /* __linux__ */
933 /* Correlation between real and virtual time is always going to be
934 fairly approximate, so ignore small variation.
935 When the guest is idle real and virtual time will be aligned in
937 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
939 static void icount_adjust(void)
944 static int64_t last_delta
;
945 /* If the VM is not running, then do nothing. */
949 cur_time
= cpu_get_clock();
950 cur_icount
= qemu_get_clock(vm_clock
);
951 delta
= cur_icount
- cur_time
;
952 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
954 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
955 && icount_time_shift
> 0) {
956 /* The guest is getting too far ahead. Slow time down. */
960 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
961 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
962 /* The guest is getting too far behind. Speed time up. */
966 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
969 static void icount_adjust_rt(void * opaque
)
971 qemu_mod_timer(icount_rt_timer
,
972 qemu_get_clock(rt_clock
) + 1000);
976 static void icount_adjust_vm(void * opaque
)
978 qemu_mod_timer(icount_vm_timer
,
979 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
983 static void init_icount_adjust(void)
985 /* Have both realtime and virtual time triggers for speed adjustment.
986 The realtime trigger catches emulated time passing too slowly,
987 the virtual time trigger catches emulated time passing too fast.
988 Realtime triggers occur even when idle, so use them less frequently
990 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
991 qemu_mod_timer(icount_rt_timer
,
992 qemu_get_clock(rt_clock
) + 1000);
993 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
994 qemu_mod_timer(icount_vm_timer
,
995 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
998 static struct qemu_alarm_timer alarm_timers
[] = {
1001 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1002 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1003 /* HPET - if available - is preferred */
1004 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1005 /* ...otherwise try RTC */
1006 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1008 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1010 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1011 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1012 {"win32", 0, win32_start_timer
,
1013 win32_stop_timer
, NULL
, &alarm_win32_data
},
1018 static void show_available_alarms(void)
1022 printf("Available alarm timers, in order of precedence:\n");
1023 for (i
= 0; alarm_timers
[i
].name
; i
++)
1024 printf("%s\n", alarm_timers
[i
].name
);
1027 static void configure_alarms(char const *opt
)
1031 int count
= (sizeof(alarm_timers
) / sizeof(*alarm_timers
)) - 1;
1034 struct qemu_alarm_timer tmp
;
1036 if (!strcmp(opt
, "?")) {
1037 show_available_alarms();
1043 /* Reorder the array */
1044 name
= strtok(arg
, ",");
1046 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1047 if (!strcmp(alarm_timers
[i
].name
, name
))
1052 fprintf(stderr
, "Unknown clock %s\n", name
);
1061 tmp
= alarm_timers
[i
];
1062 alarm_timers
[i
] = alarm_timers
[cur
];
1063 alarm_timers
[cur
] = tmp
;
1067 name
= strtok(NULL
, ",");
1073 /* Disable remaining timers */
1074 for (i
= cur
; i
< count
; i
++)
1075 alarm_timers
[i
].name
= NULL
;
1077 show_available_alarms();
1082 QEMUClock
*rt_clock
;
1083 QEMUClock
*vm_clock
;
1085 static QEMUTimer
*active_timers
[2];
1087 static QEMUClock
*qemu_new_clock(int type
)
1090 clock
= qemu_mallocz(sizeof(QEMUClock
));
1097 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1101 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1104 ts
->opaque
= opaque
;
1108 void qemu_free_timer(QEMUTimer
*ts
)
1113 /* stop a timer, but do not dealloc it */
1114 void qemu_del_timer(QEMUTimer
*ts
)
1118 /* NOTE: this code must be signal safe because
1119 qemu_timer_expired() can be called from a signal. */
1120 pt
= &active_timers
[ts
->clock
->type
];
1133 /* modify the current timer so that it will be fired when current_time
1134 >= expire_time. The corresponding callback will be called. */
1135 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1141 /* add the timer in the sorted list */
1142 /* NOTE: this code must be signal safe because
1143 qemu_timer_expired() can be called from a signal. */
1144 pt
= &active_timers
[ts
->clock
->type
];
1149 if (t
->expire_time
> expire_time
)
1153 ts
->expire_time
= expire_time
;
1157 /* Rearm if necessary */
1158 if (pt
== &active_timers
[ts
->clock
->type
]) {
1159 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1160 qemu_rearm_alarm_timer(alarm_timer
);
1162 /* Interrupt execution to force deadline recalculation. */
1163 if (use_icount
&& cpu_single_env
) {
1164 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1169 int qemu_timer_pending(QEMUTimer
*ts
)
1172 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1179 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1183 return (timer_head
->expire_time
<= current_time
);
1186 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1192 if (!ts
|| ts
->expire_time
> current_time
)
1194 /* remove timer from the list before calling the callback */
1195 *ptimer_head
= ts
->next
;
1198 /* run the callback (the timer list can be modified) */
1203 int64_t qemu_get_clock(QEMUClock
*clock
)
1205 switch(clock
->type
) {
1206 case QEMU_TIMER_REALTIME
:
1207 return get_clock() / 1000000;
1209 case QEMU_TIMER_VIRTUAL
:
1211 return cpu_get_icount();
1213 return cpu_get_clock();
1218 static void init_timers(void)
1221 ticks_per_sec
= QEMU_TIMER_BASE
;
1222 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1223 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1227 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1229 uint64_t expire_time
;
1231 if (qemu_timer_pending(ts
)) {
1232 expire_time
= ts
->expire_time
;
1236 qemu_put_be64(f
, expire_time
);
1239 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1241 uint64_t expire_time
;
1243 expire_time
= qemu_get_be64(f
);
1244 if (expire_time
!= -1) {
1245 qemu_mod_timer(ts
, expire_time
);
1251 static void timer_save(QEMUFile
*f
, void *opaque
)
1253 if (cpu_ticks_enabled
) {
1254 hw_error("cannot save state if virtual timers are running");
1256 qemu_put_be64(f
, cpu_ticks_offset
);
1257 qemu_put_be64(f
, ticks_per_sec
);
1258 qemu_put_be64(f
, cpu_clock_offset
);
1261 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1263 if (version_id
!= 1 && version_id
!= 2)
1265 if (cpu_ticks_enabled
) {
1268 cpu_ticks_offset
=qemu_get_be64(f
);
1269 ticks_per_sec
=qemu_get_be64(f
);
1270 if (version_id
== 2) {
1271 cpu_clock_offset
=qemu_get_be64(f
);
1277 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1278 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1280 static void host_alarm_handler(int host_signum
)
1284 #define DISP_FREQ 1000
1286 static int64_t delta_min
= INT64_MAX
;
1287 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1289 ti
= qemu_get_clock(vm_clock
);
1290 if (last_clock
!= 0) {
1291 delta
= ti
- last_clock
;
1292 if (delta
< delta_min
)
1294 if (delta
> delta_max
)
1297 if (++count
== DISP_FREQ
) {
1298 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1299 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1300 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1301 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1302 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1304 delta_min
= INT64_MAX
;
1312 if (alarm_has_dynticks(alarm_timer
) ||
1314 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1315 qemu_get_clock(vm_clock
))) ||
1316 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1317 qemu_get_clock(rt_clock
))) {
1318 CPUState
*env
= next_cpu
;
1321 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1322 SetEvent(data
->host_alarm
);
1324 static const char byte
= 0;
1325 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1327 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1330 /* stop the currently executing cpu because a timer occured */
1331 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1333 if (env
->kqemu_enabled
) {
1334 kqemu_cpu_interrupt(env
);
1342 static int64_t qemu_next_deadline(void)
1346 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1347 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1348 qemu_get_clock(vm_clock
);
1350 /* To avoid problems with overflow limit this to 2^32. */
1360 #if defined(__linux__) || defined(_WIN32)
1361 static uint64_t qemu_next_deadline_dyntick(void)
1369 delta
= (qemu_next_deadline() + 999) / 1000;
1371 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1372 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1373 qemu_get_clock(rt_clock
))*1000;
1374 if (rtdelta
< delta
)
1378 if (delta
< MIN_TIMER_REARM_US
)
1379 delta
= MIN_TIMER_REARM_US
;
1387 /* Sets a specific flag */
1388 static int fcntl_setfl(int fd
, int flag
)
1392 flags
= fcntl(fd
, F_GETFL
);
1396 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1402 #if defined(__linux__)
1404 #define RTC_FREQ 1024
1406 static void enable_sigio_timer(int fd
)
1408 struct sigaction act
;
1411 sigfillset(&act
.sa_mask
);
1413 act
.sa_handler
= host_alarm_handler
;
1415 sigaction(SIGIO
, &act
, NULL
);
1416 fcntl_setfl(fd
, O_ASYNC
);
1417 fcntl(fd
, F_SETOWN
, getpid());
1420 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1422 struct hpet_info info
;
1425 fd
= open("/dev/hpet", O_RDONLY
);
1430 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1432 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1433 "error, but for better emulation accuracy type:\n"
1434 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1438 /* Check capabilities */
1439 r
= ioctl(fd
, HPET_INFO
, &info
);
1443 /* Enable periodic mode */
1444 r
= ioctl(fd
, HPET_EPI
, 0);
1445 if (info
.hi_flags
&& (r
< 0))
1448 /* Enable interrupt */
1449 r
= ioctl(fd
, HPET_IE_ON
, 0);
1453 enable_sigio_timer(fd
);
1454 t
->priv
= (void *)(long)fd
;
1462 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1464 int fd
= (long)t
->priv
;
1469 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1472 unsigned long current_rtc_freq
= 0;
1474 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1477 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1478 if (current_rtc_freq
!= RTC_FREQ
&&
1479 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1480 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1481 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1482 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1485 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1491 enable_sigio_timer(rtc_fd
);
1493 t
->priv
= (void *)(long)rtc_fd
;
1498 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1500 int rtc_fd
= (long)t
->priv
;
1505 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1509 struct sigaction act
;
1511 sigfillset(&act
.sa_mask
);
1513 act
.sa_handler
= host_alarm_handler
;
1515 sigaction(SIGALRM
, &act
, NULL
);
1517 ev
.sigev_value
.sival_int
= 0;
1518 ev
.sigev_notify
= SIGEV_SIGNAL
;
1519 ev
.sigev_signo
= SIGALRM
;
1521 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1522 perror("timer_create");
1524 /* disable dynticks */
1525 fprintf(stderr
, "Dynamic Ticks disabled\n");
1530 t
->priv
= (void *)(long)host_timer
;
1535 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1537 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1539 timer_delete(host_timer
);
1542 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1544 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1545 struct itimerspec timeout
;
1546 int64_t nearest_delta_us
= INT64_MAX
;
1549 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1550 !active_timers
[QEMU_TIMER_VIRTUAL
])
1553 nearest_delta_us
= qemu_next_deadline_dyntick();
1555 /* check whether a timer is already running */
1556 if (timer_gettime(host_timer
, &timeout
)) {
1558 fprintf(stderr
, "Internal timer error: aborting\n");
1561 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1562 if (current_us
&& current_us
<= nearest_delta_us
)
1565 timeout
.it_interval
.tv_sec
= 0;
1566 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1567 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1568 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1569 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1571 fprintf(stderr
, "Internal timer error: aborting\n");
1576 #endif /* defined(__linux__) */
1578 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1580 struct sigaction act
;
1581 struct itimerval itv
;
1585 sigfillset(&act
.sa_mask
);
1587 act
.sa_handler
= host_alarm_handler
;
1589 sigaction(SIGALRM
, &act
, NULL
);
1591 itv
.it_interval
.tv_sec
= 0;
1592 /* for i386 kernel 2.6 to get 1 ms */
1593 itv
.it_interval
.tv_usec
= 999;
1594 itv
.it_value
.tv_sec
= 0;
1595 itv
.it_value
.tv_usec
= 10 * 1000;
1597 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1604 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1606 struct itimerval itv
;
1608 memset(&itv
, 0, sizeof(itv
));
1609 setitimer(ITIMER_REAL
, &itv
, NULL
);
1612 #endif /* !defined(_WIN32) */
1614 static void try_to_rearm_timer(void *opaque
)
1616 struct qemu_alarm_timer
*t
= opaque
;
1620 /* Drain the notify pipe */
1623 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1624 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1627 /* vm time timers */
1628 if (vm_running
&& likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
1629 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
1630 qemu_get_clock(vm_clock
));
1632 /* real time timers */
1633 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
1634 qemu_get_clock(rt_clock
));
1636 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1637 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1638 qemu_rearm_alarm_timer(alarm_timer
);
1644 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1647 struct qemu_alarm_win32
*data
= t
->priv
;
1650 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1651 if (!data
->host_alarm
) {
1652 perror("Failed CreateEvent");
1656 memset(&tc
, 0, sizeof(tc
));
1657 timeGetDevCaps(&tc
, sizeof(tc
));
1659 if (data
->period
< tc
.wPeriodMin
)
1660 data
->period
= tc
.wPeriodMin
;
1662 timeBeginPeriod(data
->period
);
1664 flags
= TIME_CALLBACK_FUNCTION
;
1665 if (alarm_has_dynticks(t
))
1666 flags
|= TIME_ONESHOT
;
1668 flags
|= TIME_PERIODIC
;
1670 data
->timerId
= timeSetEvent(1, // interval (ms)
1671 data
->period
, // resolution
1672 host_alarm_handler
, // function
1673 (DWORD
)t
, // parameter
1676 if (!data
->timerId
) {
1677 perror("Failed to initialize win32 alarm timer");
1679 timeEndPeriod(data
->period
);
1680 CloseHandle(data
->host_alarm
);
1684 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1689 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1691 struct qemu_alarm_win32
*data
= t
->priv
;
1693 timeKillEvent(data
->timerId
);
1694 timeEndPeriod(data
->period
);
1696 CloseHandle(data
->host_alarm
);
1699 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1701 struct qemu_alarm_win32
*data
= t
->priv
;
1702 uint64_t nearest_delta_us
;
1704 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1705 !active_timers
[QEMU_TIMER_VIRTUAL
])
1708 nearest_delta_us
= qemu_next_deadline_dyntick();
1709 nearest_delta_us
/= 1000;
1711 timeKillEvent(data
->timerId
);
1713 data
->timerId
= timeSetEvent(1,
1717 TIME_ONESHOT
| TIME_PERIODIC
);
1719 if (!data
->timerId
) {
1720 perror("Failed to re-arm win32 alarm timer");
1722 timeEndPeriod(data
->period
);
1723 CloseHandle(data
->host_alarm
);
1730 static int init_timer_alarm(void)
1732 struct qemu_alarm_timer
*t
= NULL
;
1742 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1746 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1750 alarm_timer_rfd
= fds
[0];
1751 alarm_timer_wfd
= fds
[1];
1754 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1755 t
= &alarm_timers
[i
];
1768 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1769 try_to_rearm_timer
, NULL
, t
);
1784 static void quit_timers(void)
1786 alarm_timer
->stop(alarm_timer
);
1790 /***********************************************************/
1791 /* host time/date access */
1792 void qemu_get_timedate(struct tm
*tm
, int offset
)
1799 if (rtc_date_offset
== -1) {
1803 ret
= localtime(&ti
);
1805 ti
-= rtc_date_offset
;
1809 memcpy(tm
, ret
, sizeof(struct tm
));
1812 int qemu_timedate_diff(struct tm
*tm
)
1816 if (rtc_date_offset
== -1)
1818 seconds
= mktimegm(tm
);
1820 seconds
= mktime(tm
);
1822 seconds
= mktimegm(tm
) + rtc_date_offset
;
1824 return seconds
- time(NULL
);
1828 static void socket_cleanup(void)
1833 static int socket_init(void)
1838 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1840 err
= WSAGetLastError();
1841 fprintf(stderr
, "WSAStartup: %d\n", err
);
1844 atexit(socket_cleanup
);
1849 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1854 while (*p
!= '\0' && *p
!= '=') {
1855 if (q
&& (q
- buf
) < buf_size
- 1)
1865 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1870 while (*p
!= '\0') {
1872 if (*(p
+ 1) != ',')
1876 if (q
&& (q
- buf
) < buf_size
- 1)
1886 int get_param_value(char *buf
, int buf_size
,
1887 const char *tag
, const char *str
)
1894 p
= get_opt_name(option
, sizeof(option
), p
);
1898 if (!strcmp(tag
, option
)) {
1899 (void)get_opt_value(buf
, buf_size
, p
);
1902 p
= get_opt_value(NULL
, 0, p
);
1911 int check_params(char *buf
, int buf_size
,
1912 const char * const *params
, const char *str
)
1919 p
= get_opt_name(buf
, buf_size
, p
);
1923 for(i
= 0; params
[i
] != NULL
; i
++)
1924 if (!strcmp(params
[i
], buf
))
1926 if (params
[i
] == NULL
)
1928 p
= get_opt_value(NULL
, 0, p
);
1936 /***********************************************************/
1937 /* Bluetooth support */
1940 static struct HCIInfo
*hci_table
[MAX_NICS
];
1942 static struct bt_vlan_s
{
1943 struct bt_scatternet_s net
;
1945 struct bt_vlan_s
*next
;
1948 /* find or alloc a new bluetooth "VLAN" */
1949 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1951 struct bt_vlan_s
**pvlan
, *vlan
;
1952 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1956 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1958 pvlan
= &first_bt_vlan
;
1959 while (*pvlan
!= NULL
)
1960 pvlan
= &(*pvlan
)->next
;
1965 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1969 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1974 static struct HCIInfo null_hci
= {
1975 .cmd_send
= null_hci_send
,
1976 .sco_send
= null_hci_send
,
1977 .acl_send
= null_hci_send
,
1978 .bdaddr_set
= null_hci_addr_set
,
1981 struct HCIInfo
*qemu_next_hci(void)
1983 if (cur_hci
== nb_hcis
)
1986 return hci_table
[cur_hci
++];
1989 static struct HCIInfo
*hci_init(const char *str
)
1992 struct bt_scatternet_s
*vlan
= 0;
1994 if (!strcmp(str
, "null"))
1997 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
1999 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
2000 else if (!strncmp(str
, "hci", 3)) {
2003 if (!strncmp(str
+ 3, ",vlan=", 6)) {
2004 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
2009 vlan
= qemu_find_bt_vlan(0);
2011 return bt_new_hci(vlan
);
2014 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
2019 static int bt_hci_parse(const char *str
)
2021 struct HCIInfo
*hci
;
2024 if (nb_hcis
>= MAX_NICS
) {
2025 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2029 hci
= hci_init(str
);
2038 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2039 hci
->bdaddr_set(hci
, bdaddr
.b
);
2041 hci_table
[nb_hcis
++] = hci
;
2046 static void bt_vhci_add(int vlan_id
)
2048 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2051 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2052 "an empty scatternet %i\n", vlan_id
);
2054 bt_vhci_init(bt_new_hci(vlan
));
2057 static struct bt_device_s
*bt_device_add(const char *opt
)
2059 struct bt_scatternet_s
*vlan
;
2061 char *endp
= strstr(opt
, ",vlan=");
2062 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2065 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2068 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2070 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2075 vlan
= qemu_find_bt_vlan(vlan_id
);
2078 fprintf(stderr
, "qemu: warning: adding a slave device to "
2079 "an empty scatternet %i\n", vlan_id
);
2081 if (!strcmp(devname
, "keyboard"))
2082 return bt_keyboard_init(vlan
);
2084 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2088 static int bt_parse(const char *opt
)
2090 const char *endp
, *p
;
2093 if (strstart(opt
, "hci", &endp
)) {
2094 if (!*endp
|| *endp
== ',') {
2096 if (!strstart(endp
, ",vlan=", 0))
2099 return bt_hci_parse(opt
);
2101 } else if (strstart(opt
, "vhci", &endp
)) {
2102 if (!*endp
|| *endp
== ',') {
2104 if (strstart(endp
, ",vlan=", &p
)) {
2105 vlan
= strtol(p
, (char **) &endp
, 0);
2107 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2111 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2120 } else if (strstart(opt
, "device:", &endp
))
2121 return !bt_device_add(endp
);
2123 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2127 /***********************************************************/
2128 /* QEMU Block devices */
2130 #define HD_ALIAS "index=%d,media=disk"
2132 #define CDROM_ALIAS "index=1,media=cdrom"
2134 #define CDROM_ALIAS "index=2,media=cdrom"
2136 #define FD_ALIAS "index=%d,if=floppy"
2137 #define PFLASH_ALIAS "if=pflash"
2138 #define MTD_ALIAS "if=mtd"
2139 #define SD_ALIAS "index=0,if=sd"
2141 static int drive_add(const char *file
, const char *fmt
, ...)
2145 if (nb_drives_opt
>= MAX_DRIVES
) {
2146 fprintf(stderr
, "qemu: too many drives\n");
2150 drives_opt
[nb_drives_opt
].file
= file
;
2152 vsnprintf(drives_opt
[nb_drives_opt
].opt
,
2153 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2156 return nb_drives_opt
++;
2159 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2163 /* seek interface, bus and unit */
2165 for (index
= 0; index
< nb_drives
; index
++)
2166 if (drives_table
[index
].type
== type
&&
2167 drives_table
[index
].bus
== bus
&&
2168 drives_table
[index
].unit
== unit
)
2174 int drive_get_max_bus(BlockInterfaceType type
)
2180 for (index
= 0; index
< nb_drives
; index
++) {
2181 if(drives_table
[index
].type
== type
&&
2182 drives_table
[index
].bus
> max_bus
)
2183 max_bus
= drives_table
[index
].bus
;
2188 static void bdrv_format_print(void *opaque
, const char *name
)
2190 fprintf(stderr
, " %s", name
);
2193 static int drive_init(struct drive_opt
*arg
, int snapshot
,
2194 QEMUMachine
*machine
)
2199 const char *mediastr
= "";
2200 BlockInterfaceType type
;
2201 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2202 int bus_id
, unit_id
;
2203 int cyls
, heads
, secs
, translation
;
2204 BlockDriverState
*bdrv
;
2205 BlockDriver
*drv
= NULL
;
2210 char *str
= arg
->opt
;
2211 static const char * const params
[] = { "bus", "unit", "if", "index",
2212 "cyls", "heads", "secs", "trans",
2213 "media", "snapshot", "file",
2214 "cache", "format", NULL
};
2216 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2217 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2223 cyls
= heads
= secs
= 0;
2226 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2230 if (machine
->use_scsi
) {
2232 max_devs
= MAX_SCSI_DEVS
;
2233 pstrcpy(devname
, sizeof(devname
), "scsi");
2236 max_devs
= MAX_IDE_DEVS
;
2237 pstrcpy(devname
, sizeof(devname
), "ide");
2241 /* extract parameters */
2243 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2244 bus_id
= strtol(buf
, NULL
, 0);
2246 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2251 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2252 unit_id
= strtol(buf
, NULL
, 0);
2254 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2259 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2260 pstrcpy(devname
, sizeof(devname
), buf
);
2261 if (!strcmp(buf
, "ide")) {
2263 max_devs
= MAX_IDE_DEVS
;
2264 } else if (!strcmp(buf
, "scsi")) {
2266 max_devs
= MAX_SCSI_DEVS
;
2267 } else if (!strcmp(buf
, "floppy")) {
2270 } else if (!strcmp(buf
, "pflash")) {
2273 } else if (!strcmp(buf
, "mtd")) {
2276 } else if (!strcmp(buf
, "sd")) {
2280 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2285 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2286 index
= strtol(buf
, NULL
, 0);
2288 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2293 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2294 cyls
= strtol(buf
, NULL
, 0);
2297 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2298 heads
= strtol(buf
, NULL
, 0);
2301 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2302 secs
= strtol(buf
, NULL
, 0);
2305 if (cyls
|| heads
|| secs
) {
2306 if (cyls
< 1 || cyls
> 16383) {
2307 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2310 if (heads
< 1 || heads
> 16) {
2311 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2314 if (secs
< 1 || secs
> 63) {
2315 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2320 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2323 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2327 if (!strcmp(buf
, "none"))
2328 translation
= BIOS_ATA_TRANSLATION_NONE
;
2329 else if (!strcmp(buf
, "lba"))
2330 translation
= BIOS_ATA_TRANSLATION_LBA
;
2331 else if (!strcmp(buf
, "auto"))
2332 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2334 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2339 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2340 if (!strcmp(buf
, "disk")) {
2342 } else if (!strcmp(buf
, "cdrom")) {
2343 if (cyls
|| secs
|| heads
) {
2345 "qemu: '%s' invalid physical CHS format\n", str
);
2348 media
= MEDIA_CDROM
;
2350 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2355 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2356 if (!strcmp(buf
, "on"))
2358 else if (!strcmp(buf
, "off"))
2361 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2366 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2367 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2369 else if (!strcmp(buf
, "writethrough"))
2371 else if (!strcmp(buf
, "writeback"))
2374 fprintf(stderr
, "qemu: invalid cache option\n");
2379 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2380 if (strcmp(buf
, "?") == 0) {
2381 fprintf(stderr
, "qemu: Supported formats:");
2382 bdrv_iterate_format(bdrv_format_print
, NULL
);
2383 fprintf(stderr
, "\n");
2386 drv
= bdrv_find_format(buf
);
2388 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2393 if (arg
->file
== NULL
)
2394 get_param_value(file
, sizeof(file
), "file", str
);
2396 pstrcpy(file
, sizeof(file
), arg
->file
);
2398 /* compute bus and unit according index */
2401 if (bus_id
!= 0 || unit_id
!= -1) {
2403 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2411 unit_id
= index
% max_devs
;
2412 bus_id
= index
/ max_devs
;
2416 /* if user doesn't specify a unit_id,
2417 * try to find the first free
2420 if (unit_id
== -1) {
2422 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2424 if (max_devs
&& unit_id
>= max_devs
) {
2425 unit_id
-= max_devs
;
2433 if (max_devs
&& unit_id
>= max_devs
) {
2434 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2435 str
, unit_id
, max_devs
- 1);
2440 * ignore multiple definitions
2443 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2448 if (type
== IF_IDE
|| type
== IF_SCSI
)
2449 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2451 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2452 devname
, bus_id
, mediastr
, unit_id
);
2454 snprintf(buf
, sizeof(buf
), "%s%s%i",
2455 devname
, mediastr
, unit_id
);
2456 bdrv
= bdrv_new(buf
);
2457 drives_table
[nb_drives
].bdrv
= bdrv
;
2458 drives_table
[nb_drives
].type
= type
;
2459 drives_table
[nb_drives
].bus
= bus_id
;
2460 drives_table
[nb_drives
].unit
= unit_id
;
2469 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2470 bdrv_set_translation_hint(bdrv
, translation
);
2474 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2479 /* FIXME: This isn't really a floppy, but it's a reasonable
2482 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2492 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2493 cache
= 2; /* always use write-back with snapshot */
2495 if (cache
== 0) /* no caching */
2496 bdrv_flags
|= BDRV_O_NOCACHE
;
2497 else if (cache
== 2) /* write-back */
2498 bdrv_flags
|= BDRV_O_CACHE_WB
;
2499 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0 || qemu_key_check(bdrv
, file
)) {
2500 fprintf(stderr
, "qemu: could not open disk image %s\n",
2507 /***********************************************************/
2510 static USBPort
*used_usb_ports
;
2511 static USBPort
*free_usb_ports
;
2513 /* ??? Maybe change this to register a hub to keep track of the topology. */
2514 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2515 usb_attachfn attach
)
2517 port
->opaque
= opaque
;
2518 port
->index
= index
;
2519 port
->attach
= attach
;
2520 port
->next
= free_usb_ports
;
2521 free_usb_ports
= port
;
2524 int usb_device_add_dev(USBDevice
*dev
)
2528 /* Find a USB port to add the device to. */
2529 port
= free_usb_ports
;
2533 /* Create a new hub and chain it on. */
2534 free_usb_ports
= NULL
;
2535 port
->next
= used_usb_ports
;
2536 used_usb_ports
= port
;
2538 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2539 usb_attach(port
, hub
);
2540 port
= free_usb_ports
;
2543 free_usb_ports
= port
->next
;
2544 port
->next
= used_usb_ports
;
2545 used_usb_ports
= port
;
2546 usb_attach(port
, dev
);
2550 static int usb_device_add(const char *devname
)
2555 if (!free_usb_ports
)
2558 if (strstart(devname
, "host:", &p
)) {
2559 dev
= usb_host_device_open(p
);
2560 } else if (!strcmp(devname
, "mouse")) {
2561 dev
= usb_mouse_init();
2562 } else if (!strcmp(devname
, "tablet")) {
2563 dev
= usb_tablet_init();
2564 } else if (!strcmp(devname
, "keyboard")) {
2565 dev
= usb_keyboard_init();
2566 } else if (strstart(devname
, "disk:", &p
)) {
2567 dev
= usb_msd_init(p
);
2568 } else if (!strcmp(devname
, "wacom-tablet")) {
2569 dev
= usb_wacom_init();
2570 } else if (strstart(devname
, "serial:", &p
)) {
2571 dev
= usb_serial_init(p
);
2572 #ifdef CONFIG_BRLAPI
2573 } else if (!strcmp(devname
, "braille")) {
2574 dev
= usb_baum_init();
2576 } else if (strstart(devname
, "net:", &p
)) {
2579 if (net_client_init("nic", p
) < 0)
2581 nd_table
[nic
].model
= "usb";
2582 dev
= usb_net_init(&nd_table
[nic
]);
2583 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2584 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2585 bt_new_hci(qemu_find_bt_vlan(0)));
2592 return usb_device_add_dev(dev
);
2595 int usb_device_del_addr(int bus_num
, int addr
)
2601 if (!used_usb_ports
)
2607 lastp
= &used_usb_ports
;
2608 port
= used_usb_ports
;
2609 while (port
&& port
->dev
->addr
!= addr
) {
2610 lastp
= &port
->next
;
2618 *lastp
= port
->next
;
2619 usb_attach(port
, NULL
);
2620 dev
->handle_destroy(dev
);
2621 port
->next
= free_usb_ports
;
2622 free_usb_ports
= port
;
2626 static int usb_device_del(const char *devname
)
2631 if (strstart(devname
, "host:", &p
))
2632 return usb_host_device_close(p
);
2634 if (!used_usb_ports
)
2637 p
= strchr(devname
, '.');
2640 bus_num
= strtoul(devname
, NULL
, 0);
2641 addr
= strtoul(p
+ 1, NULL
, 0);
2643 return usb_device_del_addr(bus_num
, addr
);
2646 void do_usb_add(const char *devname
)
2648 usb_device_add(devname
);
2651 void do_usb_del(const char *devname
)
2653 usb_device_del(devname
);
2660 const char *speed_str
;
2663 term_printf("USB support not enabled\n");
2667 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2671 switch(dev
->speed
) {
2675 case USB_SPEED_FULL
:
2678 case USB_SPEED_HIGH
:
2685 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2686 0, dev
->addr
, speed_str
, dev
->devname
);
2690 /***********************************************************/
2691 /* PCMCIA/Cardbus */
2693 static struct pcmcia_socket_entry_s
{
2694 struct pcmcia_socket_s
*socket
;
2695 struct pcmcia_socket_entry_s
*next
;
2696 } *pcmcia_sockets
= 0;
2698 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2700 struct pcmcia_socket_entry_s
*entry
;
2702 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2703 entry
->socket
= socket
;
2704 entry
->next
= pcmcia_sockets
;
2705 pcmcia_sockets
= entry
;
2708 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2710 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2712 ptr
= &pcmcia_sockets
;
2713 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2714 if (entry
->socket
== socket
) {
2720 void pcmcia_info(void)
2722 struct pcmcia_socket_entry_s
*iter
;
2723 if (!pcmcia_sockets
)
2724 term_printf("No PCMCIA sockets\n");
2726 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2727 term_printf("%s: %s\n", iter
->socket
->slot_string
,
2728 iter
->socket
->attached
? iter
->socket
->card_string
:
2732 /***********************************************************/
2735 static void dumb_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
2739 static void dumb_resize(DisplayState
*ds
, int w
, int h
)
2743 static void dumb_display_init(DisplayState
*ds
)
2748 ds
->dpy_update
= dumb_update
;
2749 ds
->dpy_resize
= dumb_resize
;
2750 ds
->dpy_refresh
= NULL
;
2751 ds
->gui_timer_interval
= 0;
2755 /***********************************************************/
2758 #define MAX_IO_HANDLERS 64
2760 typedef struct IOHandlerRecord
{
2762 IOCanRWHandler
*fd_read_poll
;
2764 IOHandler
*fd_write
;
2767 /* temporary data */
2769 struct IOHandlerRecord
*next
;
2772 static IOHandlerRecord
*first_io_handler
;
2774 /* XXX: fd_read_poll should be suppressed, but an API change is
2775 necessary in the character devices to suppress fd_can_read(). */
2776 int qemu_set_fd_handler2(int fd
,
2777 IOCanRWHandler
*fd_read_poll
,
2779 IOHandler
*fd_write
,
2782 IOHandlerRecord
**pioh
, *ioh
;
2784 if (!fd_read
&& !fd_write
) {
2785 pioh
= &first_io_handler
;
2790 if (ioh
->fd
== fd
) {
2797 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2801 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2804 ioh
->next
= first_io_handler
;
2805 first_io_handler
= ioh
;
2808 ioh
->fd_read_poll
= fd_read_poll
;
2809 ioh
->fd_read
= fd_read
;
2810 ioh
->fd_write
= fd_write
;
2811 ioh
->opaque
= opaque
;
2817 int qemu_set_fd_handler(int fd
,
2819 IOHandler
*fd_write
,
2822 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2826 /***********************************************************/
2827 /* Polling handling */
2829 typedef struct PollingEntry
{
2832 struct PollingEntry
*next
;
2835 static PollingEntry
*first_polling_entry
;
2837 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2839 PollingEntry
**ppe
, *pe
;
2840 pe
= qemu_mallocz(sizeof(PollingEntry
));
2844 pe
->opaque
= opaque
;
2845 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
2850 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
2852 PollingEntry
**ppe
, *pe
;
2853 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
2855 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
2863 /***********************************************************/
2864 /* Wait objects support */
2865 typedef struct WaitObjects
{
2867 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
2868 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
2869 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
2872 static WaitObjects wait_objects
= {0};
2874 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2876 WaitObjects
*w
= &wait_objects
;
2878 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
2880 w
->events
[w
->num
] = handle
;
2881 w
->func
[w
->num
] = func
;
2882 w
->opaque
[w
->num
] = opaque
;
2887 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2890 WaitObjects
*w
= &wait_objects
;
2893 for (i
= 0; i
< w
->num
; i
++) {
2894 if (w
->events
[i
] == handle
)
2897 w
->events
[i
] = w
->events
[i
+ 1];
2898 w
->func
[i
] = w
->func
[i
+ 1];
2899 w
->opaque
[i
] = w
->opaque
[i
+ 1];
2907 /***********************************************************/
2908 /* ram save/restore */
2910 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2914 v
= qemu_get_byte(f
);
2917 if (qemu_get_buffer(f
, buf
, len
) != len
)
2921 v
= qemu_get_byte(f
);
2922 memset(buf
, v
, len
);
2928 if (qemu_file_has_error(f
))
2934 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
2939 if (qemu_get_be32(f
) != phys_ram_size
)
2941 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
2942 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
2949 #define BDRV_HASH_BLOCK_SIZE 1024
2950 #define IOBUF_SIZE 4096
2951 #define RAM_CBLOCK_MAGIC 0xfabe
2953 typedef struct RamDecompressState
{
2956 uint8_t buf
[IOBUF_SIZE
];
2957 } RamDecompressState
;
2959 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
2962 memset(s
, 0, sizeof(*s
));
2964 ret
= inflateInit(&s
->zstream
);
2970 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
2974 s
->zstream
.avail_out
= len
;
2975 s
->zstream
.next_out
= buf
;
2976 while (s
->zstream
.avail_out
> 0) {
2977 if (s
->zstream
.avail_in
== 0) {
2978 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
2980 clen
= qemu_get_be16(s
->f
);
2981 if (clen
> IOBUF_SIZE
)
2983 qemu_get_buffer(s
->f
, s
->buf
, clen
);
2984 s
->zstream
.avail_in
= clen
;
2985 s
->zstream
.next_in
= s
->buf
;
2987 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
2988 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
2995 static void ram_decompress_close(RamDecompressState
*s
)
2997 inflateEnd(&s
->zstream
);
3000 #define RAM_SAVE_FLAG_FULL 0x01
3001 #define RAM_SAVE_FLAG_COMPRESS 0x02
3002 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3003 #define RAM_SAVE_FLAG_PAGE 0x08
3004 #define RAM_SAVE_FLAG_EOS 0x10
3006 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3008 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3009 uint32_t *array
= (uint32_t *)page
;
3012 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3013 if (array
[i
] != val
)
3020 static int ram_save_block(QEMUFile
*f
)
3022 static ram_addr_t current_addr
= 0;
3023 ram_addr_t saved_addr
= current_addr
;
3024 ram_addr_t addr
= 0;
3027 while (addr
< phys_ram_size
) {
3028 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3031 cpu_physical_memory_reset_dirty(current_addr
,
3032 current_addr
+ TARGET_PAGE_SIZE
,
3033 MIGRATION_DIRTY_FLAG
);
3035 ch
= *(phys_ram_base
+ current_addr
);
3037 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
3038 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3039 qemu_put_byte(f
, ch
);
3041 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3042 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
3048 addr
+= TARGET_PAGE_SIZE
;
3049 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
3055 static ram_addr_t ram_save_threshold
= 10;
3057 static ram_addr_t
ram_save_remaining(void)
3060 ram_addr_t count
= 0;
3062 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3063 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3070 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3075 /* Make sure all dirty bits are set */
3076 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3077 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3078 cpu_physical_memory_set_dirty(addr
);
3081 /* Enable dirty memory tracking */
3082 cpu_physical_memory_set_dirty_tracking(1);
3084 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
3087 while (!qemu_file_rate_limit(f
)) {
3090 ret
= ram_save_block(f
);
3091 if (ret
== 0) /* no more blocks */
3095 /* try transferring iterative blocks of memory */
3098 cpu_physical_memory_set_dirty_tracking(0);
3100 /* flush all remaining blocks regardless of rate limiting */
3101 while (ram_save_block(f
) != 0);
3104 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3106 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
3109 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3111 RamDecompressState s1
, *s
= &s1
;
3115 if (ram_decompress_open(s
, f
) < 0)
3117 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3118 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3119 fprintf(stderr
, "Error while reading ram block header\n");
3123 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
3124 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3129 printf("Error block header\n");
3133 ram_decompress_close(s
);
3138 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3143 if (version_id
== 1)
3144 return ram_load_v1(f
, opaque
);
3146 if (version_id
== 2) {
3147 if (qemu_get_be32(f
) != phys_ram_size
)
3149 return ram_load_dead(f
, opaque
);
3152 if (version_id
!= 3)
3156 addr
= qemu_get_be64(f
);
3158 flags
= addr
& ~TARGET_PAGE_MASK
;
3159 addr
&= TARGET_PAGE_MASK
;
3161 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3162 if (addr
!= phys_ram_size
)
3166 if (flags
& RAM_SAVE_FLAG_FULL
) {
3167 if (ram_load_dead(f
, opaque
) < 0)
3171 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3172 uint8_t ch
= qemu_get_byte(f
);
3173 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
3174 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3175 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
3176 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3181 void qemu_service_io(void)
3183 CPUState
*env
= cpu_single_env
;
3185 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
3187 if (env
->kqemu_enabled
) {
3188 kqemu_cpu_interrupt(env
);
3194 /***********************************************************/
3195 /* bottom halves (can be seen as timers which expire ASAP) */
3206 static QEMUBH
*first_bh
= NULL
;
3208 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3211 bh
= qemu_mallocz(sizeof(QEMUBH
));
3215 bh
->opaque
= opaque
;
3216 bh
->next
= first_bh
;
3221 int qemu_bh_poll(void)
3227 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3228 if (!bh
->deleted
&& bh
->scheduled
) {
3237 /* remove deleted bhs */
3251 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3259 void qemu_bh_schedule(QEMUBH
*bh
)
3261 CPUState
*env
= cpu_single_env
;
3266 /* stop the currently executing CPU to execute the BH ASAP */
3268 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
3272 void qemu_bh_cancel(QEMUBH
*bh
)
3277 void qemu_bh_delete(QEMUBH
*bh
)
3283 static void qemu_bh_update_timeout(int *timeout
)
3287 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3288 if (!bh
->deleted
&& bh
->scheduled
) {
3290 /* idle bottom halves will be polled at least
3292 *timeout
= MIN(10, *timeout
);
3294 /* non-idle bottom halves will be executed
3303 /***********************************************************/
3304 /* machine registration */
3306 static QEMUMachine
*first_machine
= NULL
;
3308 int qemu_register_machine(QEMUMachine
*m
)
3311 pm
= &first_machine
;
3319 static QEMUMachine
*find_machine(const char *name
)
3323 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3324 if (!strcmp(m
->name
, name
))
3330 /***********************************************************/
3331 /* main execution loop */
3333 static void gui_update(void *opaque
)
3335 DisplayState
*ds
= opaque
;
3336 ds
->dpy_refresh(ds
);
3337 qemu_mod_timer(ds
->gui_timer
,
3338 (ds
->gui_timer_interval
?
3339 ds
->gui_timer_interval
:
3340 GUI_REFRESH_INTERVAL
)
3341 + qemu_get_clock(rt_clock
));
3344 struct vm_change_state_entry
{
3345 VMChangeStateHandler
*cb
;
3347 LIST_ENTRY (vm_change_state_entry
) entries
;
3350 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3352 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3355 VMChangeStateEntry
*e
;
3357 e
= qemu_mallocz(sizeof (*e
));
3363 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3367 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3369 LIST_REMOVE (e
, entries
);
3373 static void vm_state_notify(int running
)
3375 VMChangeStateEntry
*e
;
3377 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3378 e
->cb(e
->opaque
, running
);
3382 /* XXX: support several handlers */
3383 static VMStopHandler
*vm_stop_cb
;
3384 static void *vm_stop_opaque
;
3386 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
3389 vm_stop_opaque
= opaque
;
3393 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
3404 qemu_rearm_alarm_timer(alarm_timer
);
3408 void vm_stop(int reason
)
3411 cpu_disable_ticks();
3415 vm_stop_cb(vm_stop_opaque
, reason
);
3422 /* reset/shutdown handler */
3424 typedef struct QEMUResetEntry
{
3425 QEMUResetHandler
*func
;
3427 struct QEMUResetEntry
*next
;
3430 static QEMUResetEntry
*first_reset_entry
;
3431 static int reset_requested
;
3432 static int shutdown_requested
;
3433 static int powerdown_requested
;
3435 int qemu_shutdown_requested(void)
3437 int r
= shutdown_requested
;
3438 shutdown_requested
= 0;
3442 int qemu_reset_requested(void)
3444 int r
= reset_requested
;
3445 reset_requested
= 0;
3449 int qemu_powerdown_requested(void)
3451 int r
= powerdown_requested
;
3452 powerdown_requested
= 0;
3456 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3458 QEMUResetEntry
**pre
, *re
;
3460 pre
= &first_reset_entry
;
3461 while (*pre
!= NULL
)
3462 pre
= &(*pre
)->next
;
3463 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3465 re
->opaque
= opaque
;
3470 void qemu_system_reset(void)
3474 /* reset all devices */
3475 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3476 re
->func(re
->opaque
);
3480 void qemu_system_reset_request(void)
3483 shutdown_requested
= 1;
3485 reset_requested
= 1;
3488 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3491 void qemu_system_shutdown_request(void)
3493 shutdown_requested
= 1;
3495 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3498 void qemu_system_powerdown_request(void)
3500 powerdown_requested
= 1;
3502 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3506 void host_main_loop_wait(int *timeout
)
3512 /* XXX: need to suppress polling by better using win32 events */
3514 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
3515 ret
|= pe
->func(pe
->opaque
);
3519 WaitObjects
*w
= &wait_objects
;
3521 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
3522 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
3523 if (w
->func
[ret
- WAIT_OBJECT_0
])
3524 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
3526 /* Check for additional signaled events */
3527 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
3529 /* Check if event is signaled */
3530 ret2
= WaitForSingleObject(w
->events
[i
], 0);
3531 if(ret2
== WAIT_OBJECT_0
) {
3533 w
->func
[i
](w
->opaque
[i
]);
3534 } else if (ret2
== WAIT_TIMEOUT
) {
3536 err
= GetLastError();
3537 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
3540 } else if (ret
== WAIT_TIMEOUT
) {
3542 err
= GetLastError();
3543 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
3550 void host_main_loop_wait(int *timeout
)
3555 void main_loop_wait(int timeout
)
3557 IOHandlerRecord
*ioh
;
3558 fd_set rfds
, wfds
, xfds
;
3562 qemu_bh_update_timeout(&timeout
);
3564 host_main_loop_wait(&timeout
);
3566 /* poll any events */
3567 /* XXX: separate device handlers from system ones */
3572 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3576 (!ioh
->fd_read_poll
||
3577 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
3578 FD_SET(ioh
->fd
, &rfds
);
3582 if (ioh
->fd_write
) {
3583 FD_SET(ioh
->fd
, &wfds
);
3589 tv
.tv_sec
= timeout
/ 1000;
3590 tv
.tv_usec
= (timeout
% 1000) * 1000;
3592 #if defined(CONFIG_SLIRP)
3593 if (slirp_is_inited()) {
3594 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
3597 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
3599 IOHandlerRecord
**pioh
;
3601 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3602 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
3603 ioh
->fd_read(ioh
->opaque
);
3605 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
3606 ioh
->fd_write(ioh
->opaque
);
3610 /* remove deleted IO handlers */
3611 pioh
= &first_io_handler
;
3621 #if defined(CONFIG_SLIRP)
3622 if (slirp_is_inited()) {
3628 slirp_select_poll(&rfds
, &wfds
, &xfds
);
3632 /* Check bottom-halves last in case any of the earlier events triggered
3638 static int main_loop(void)
3641 #ifdef CONFIG_PROFILER
3646 cur_cpu
= first_cpu
;
3647 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
3654 #ifdef CONFIG_PROFILER
3655 ti
= profile_getclock();
3660 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
3661 env
->icount_decr
.u16
.low
= 0;
3662 env
->icount_extra
= 0;
3663 count
= qemu_next_deadline();
3664 count
= (count
+ (1 << icount_time_shift
) - 1)
3665 >> icount_time_shift
;
3666 qemu_icount
+= count
;
3667 decr
= (count
> 0xffff) ? 0xffff : count
;
3669 env
->icount_decr
.u16
.low
= decr
;
3670 env
->icount_extra
= count
;
3672 ret
= cpu_exec(env
);
3673 #ifdef CONFIG_PROFILER
3674 qemu_time
+= profile_getclock() - ti
;
3677 /* Fold pending instructions back into the
3678 instruction counter, and clear the interrupt flag. */
3679 qemu_icount
-= (env
->icount_decr
.u16
.low
3680 + env
->icount_extra
);
3681 env
->icount_decr
.u32
= 0;
3682 env
->icount_extra
= 0;
3684 next_cpu
= env
->next_cpu
?: first_cpu
;
3685 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
3686 ret
= EXCP_INTERRUPT
;
3690 if (ret
== EXCP_HLT
) {
3691 /* Give the next CPU a chance to run. */
3695 if (ret
!= EXCP_HALTED
)
3697 /* all CPUs are halted ? */
3703 if (shutdown_requested
) {
3704 ret
= EXCP_INTERRUPT
;
3712 if (reset_requested
) {
3713 reset_requested
= 0;
3714 qemu_system_reset();
3715 ret
= EXCP_INTERRUPT
;
3717 if (powerdown_requested
) {
3718 powerdown_requested
= 0;
3719 qemu_system_powerdown();
3720 ret
= EXCP_INTERRUPT
;
3722 if (unlikely(ret
== EXCP_DEBUG
)) {
3723 vm_stop(EXCP_DEBUG
);
3725 /* If all cpus are halted then wait until the next IRQ */
3726 /* XXX: use timeout computed from timers */
3727 if (ret
== EXCP_HALTED
) {
3731 /* Advance virtual time to the next event. */
3732 if (use_icount
== 1) {
3733 /* When not using an adaptive execution frequency
3734 we tend to get badly out of sync with real time,
3735 so just delay for a reasonable amount of time. */
3738 delta
= cpu_get_icount() - cpu_get_clock();
3741 /* If virtual time is ahead of real time then just
3743 timeout
= (delta
/ 1000000) + 1;
3745 /* Wait for either IO to occur or the next
3747 add
= qemu_next_deadline();
3748 /* We advance the timer before checking for IO.
3749 Limit the amount we advance so that early IO
3750 activity won't get the guest too far ahead. */
3754 add
= (add
+ (1 << icount_time_shift
) - 1)
3755 >> icount_time_shift
;
3757 timeout
= delta
/ 1000000;
3768 if (shutdown_requested
) {
3769 ret
= EXCP_INTERRUPT
;
3774 #ifdef CONFIG_PROFILER
3775 ti
= profile_getclock();
3777 main_loop_wait(timeout
);
3778 #ifdef CONFIG_PROFILER
3779 dev_time
+= profile_getclock() - ti
;
3782 cpu_disable_ticks();
3786 static void help(int exitcode
)
3788 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n"
3789 "usage: %s [options] [disk_image]\n"
3791 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3793 "Standard options:\n"
3794 "-M machine select emulated machine (-M ? for list)\n"
3795 "-cpu cpu select CPU (-cpu ? for list)\n"
3796 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3797 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3798 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3799 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3800 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
3801 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
3802 " [,cache=writethrough|writeback|none][,format=f]\n"
3803 " use 'file' as a drive image\n"
3804 "-mtdblock file use 'file' as on-board Flash memory image\n"
3805 "-sd file use 'file' as SecureDigital card image\n"
3806 "-pflash file use 'file' as a parallel flash image\n"
3807 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
3808 "-snapshot write to temporary files instead of disk image files\n"
3810 "-no-frame open SDL window without a frame and window decorations\n"
3811 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
3812 "-no-quit disable SDL window close capability\n"
3815 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
3817 "-m megs set virtual RAM size to megs MB [default=%d]\n"
3818 "-smp n set the number of CPUs to 'n' [default=1]\n"
3819 "-nographic disable graphical output and redirect serial I/Os to console\n"
3820 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
3822 "-k language use keyboard layout (for example \"fr\" for French)\n"
3825 "-audio-help print list of audio drivers and their options\n"
3826 "-soundhw c1,... enable audio support\n"
3827 " and only specified sound cards (comma separated list)\n"
3828 " use -soundhw ? to get the list of supported cards\n"
3829 " use -soundhw all to enable all of them\n"
3831 "-vga [std|cirrus|vmware]\n"
3832 " select video card type\n"
3833 "-localtime set the real time clock to local time [default=utc]\n"
3834 "-full-screen start in full screen\n"
3836 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
3838 "-usb enable the USB driver (will be the default soon)\n"
3839 "-usbdevice name add the host or guest USB device 'name'\n"
3840 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3841 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
3843 "-name string set the name of the guest\n"
3844 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
3846 "Network options:\n"
3847 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
3848 " create a new Network Interface Card and connect it to VLAN 'n'\n"
3850 "-net user[,vlan=n][,hostname=host]\n"
3851 " connect the user mode network stack to VLAN 'n' and send\n"
3852 " hostname 'host' to DHCP clients\n"
3855 "-net tap[,vlan=n],ifname=name\n"
3856 " connect the host TAP network interface to VLAN 'n'\n"
3858 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
3859 " connect the host TAP network interface to VLAN 'n' and use the\n"
3860 " network scripts 'file' (default=%s)\n"
3861 " and 'dfile' (default=%s);\n"
3862 " use '[down]script=no' to disable script execution;\n"
3863 " use 'fd=h' to connect to an already opened TAP interface\n"
3865 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
3866 " connect the vlan 'n' to another VLAN using a socket connection\n"
3867 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
3868 " connect the vlan 'n' to multicast maddr and port\n"
3870 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
3871 " connect the vlan 'n' to port 'n' of a vde switch running\n"
3872 " on host and listening for incoming connections on 'socketpath'.\n"
3873 " Use group 'groupname' and mode 'octalmode' to change default\n"
3874 " ownership and permissions for communication port.\n"
3876 "-net none use it alone to have zero network devices; if no -net option\n"
3877 " is provided, the default is '-net nic -net user'\n"
3879 "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n"
3880 "-bt hci,host[:id]\n"
3881 " Use host's HCI with the given name\n"
3882 "-bt hci[,vlan=n]\n"
3883 " Emulate a standard HCI in virtual scatternet 'n'\n"
3884 "-bt vhci[,vlan=n]\n"
3885 " Add host computer to virtual scatternet 'n' using VHCI\n"
3886 "-bt device:dev[,vlan=n]\n"
3887 " Emulate a bluetooth device 'dev' in scatternet 'n'\n"
3890 "-tftp dir allow tftp access to files in dir [-net user]\n"
3891 "-bootp file advertise file in BOOTP replies\n"
3893 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
3895 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
3896 " redirect TCP or UDP connections from host to guest [-net user]\n"
3899 "Linux boot specific:\n"
3900 "-kernel bzImage use 'bzImage' as kernel image\n"
3901 "-append cmdline use 'cmdline' as kernel command line\n"
3902 "-initrd file use 'file' as initial ram disk\n"
3904 "Debug/Expert options:\n"
3905 "-monitor dev redirect the monitor to char device 'dev'\n"
3906 "-serial dev redirect the serial port to char device 'dev'\n"
3907 "-parallel dev redirect the parallel port to char device 'dev'\n"
3908 "-pidfile file Write PID to 'file'\n"
3909 "-S freeze CPU at startup (use 'c' to start execution)\n"
3910 "-s wait gdb connection to port\n"
3911 "-p port set gdb connection port [default=%s]\n"
3912 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
3913 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
3914 " translation (t=none or lba) (usually qemu can guess them)\n"
3915 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
3917 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
3918 "-no-kqemu disable KQEMU kernel module usage\n"
3921 "-enable-kvm enable KVM full virtualization support\n"
3924 "-no-acpi disable ACPI\n"
3926 #ifdef CONFIG_CURSES
3927 "-curses use a curses/ncurses interface instead of SDL\n"
3929 "-no-reboot exit instead of rebooting\n"
3930 "-no-shutdown stop before shutdown\n"
3931 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
3932 "-vnc display start a VNC server on display\n"
3934 "-daemonize daemonize QEMU after initializing\n"
3936 "-option-rom rom load a file, rom, into the option ROM space\n"
3938 "-prom-env variable=value set OpenBIOS nvram variables\n"
3940 "-clock force the use of the given methods for timer alarm.\n"
3941 " To see what timers are available use -clock ?\n"
3942 "-startdate select initial date of the clock\n"
3943 "-icount [N|auto]\n"
3944 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
3946 "During emulation, the following keys are useful:\n"
3947 "ctrl-alt-f toggle full screen\n"
3948 "ctrl-alt-n switch to virtual console 'n'\n"
3949 "ctrl-alt toggle mouse and keyboard grab\n"
3951 "When using -nographic, press 'ctrl-a h' to get some help.\n"
3956 DEFAULT_NETWORK_SCRIPT
,
3957 DEFAULT_NETWORK_DOWN_SCRIPT
,
3959 DEFAULT_GDBSTUB_PORT
,
3964 #define HAS_ARG 0x0001
3979 QEMU_OPTION_mtdblock
,
3983 QEMU_OPTION_snapshot
,
3985 QEMU_OPTION_no_fd_bootchk
,
3988 QEMU_OPTION_nographic
,
3989 QEMU_OPTION_portrait
,
3991 QEMU_OPTION_audio_help
,
3992 QEMU_OPTION_soundhw
,
4014 QEMU_OPTION_localtime
,
4018 QEMU_OPTION_monitor
,
4020 QEMU_OPTION_parallel
,
4022 QEMU_OPTION_full_screen
,
4023 QEMU_OPTION_no_frame
,
4024 QEMU_OPTION_alt_grab
,
4025 QEMU_OPTION_no_quit
,
4026 QEMU_OPTION_pidfile
,
4027 QEMU_OPTION_no_kqemu
,
4028 QEMU_OPTION_kernel_kqemu
,
4029 QEMU_OPTION_enable_kvm
,
4030 QEMU_OPTION_win2k_hack
,
4032 QEMU_OPTION_usbdevice
,
4035 QEMU_OPTION_no_acpi
,
4037 QEMU_OPTION_no_reboot
,
4038 QEMU_OPTION_no_shutdown
,
4039 QEMU_OPTION_show_cursor
,
4040 QEMU_OPTION_daemonize
,
4041 QEMU_OPTION_option_rom
,
4042 QEMU_OPTION_semihosting
,
4044 QEMU_OPTION_prom_env
,
4045 QEMU_OPTION_old_param
,
4047 QEMU_OPTION_startdate
,
4048 QEMU_OPTION_tb_size
,
4051 QEMU_OPTION_incoming
,
4054 typedef struct QEMUOption
{
4060 static const QEMUOption qemu_options
[] = {
4061 { "h", 0, QEMU_OPTION_h
},
4062 { "help", 0, QEMU_OPTION_h
},
4064 { "M", HAS_ARG
, QEMU_OPTION_M
},
4065 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
4066 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
4067 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
4068 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
4069 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
4070 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
4071 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
4072 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
4073 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
4074 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
4075 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
4076 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
4077 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
4078 { "snapshot", 0, QEMU_OPTION_snapshot
},
4080 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
4082 { "m", HAS_ARG
, QEMU_OPTION_m
},
4083 { "nographic", 0, QEMU_OPTION_nographic
},
4084 { "portrait", 0, QEMU_OPTION_portrait
},
4085 { "k", HAS_ARG
, QEMU_OPTION_k
},
4087 { "audio-help", 0, QEMU_OPTION_audio_help
},
4088 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
4091 { "net", HAS_ARG
, QEMU_OPTION_net
},
4093 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
4094 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
4096 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
4098 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
4100 { "bt", HAS_ARG
, QEMU_OPTION_bt
},
4102 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
4103 { "append", HAS_ARG
, QEMU_OPTION_append
},
4104 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
4106 { "S", 0, QEMU_OPTION_S
},
4107 { "s", 0, QEMU_OPTION_s
},
4108 { "p", HAS_ARG
, QEMU_OPTION_p
},
4109 { "d", HAS_ARG
, QEMU_OPTION_d
},
4110 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
4111 { "L", HAS_ARG
, QEMU_OPTION_L
},
4112 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
4114 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
4115 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
4118 { "enable-kvm", 0, QEMU_OPTION_enable_kvm
},
4120 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4121 { "g", 1, QEMU_OPTION_g
},
4123 { "localtime", 0, QEMU_OPTION_localtime
},
4124 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
4125 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
4126 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
4127 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
4128 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
4129 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
4130 { "full-screen", 0, QEMU_OPTION_full_screen
},
4132 { "no-frame", 0, QEMU_OPTION_no_frame
},
4133 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
4134 { "no-quit", 0, QEMU_OPTION_no_quit
},
4136 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
4137 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
4138 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
4139 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
4140 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
4141 #ifdef CONFIG_CURSES
4142 { "curses", 0, QEMU_OPTION_curses
},
4144 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
4146 /* temporary options */
4147 { "usb", 0, QEMU_OPTION_usb
},
4148 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
4149 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
4150 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
4151 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
4152 { "daemonize", 0, QEMU_OPTION_daemonize
},
4153 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
4154 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4155 { "semihosting", 0, QEMU_OPTION_semihosting
},
4157 { "name", HAS_ARG
, QEMU_OPTION_name
},
4158 #if defined(TARGET_SPARC)
4159 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
4161 #if defined(TARGET_ARM)
4162 { "old-param", 0, QEMU_OPTION_old_param
},
4164 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
4165 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
4166 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
4167 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
4168 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
4172 /* password input */
4174 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
4179 if (!bdrv_is_encrypted(bs
))
4182 term_printf("%s is encrypted.\n", name
);
4183 for(i
= 0; i
< 3; i
++) {
4184 monitor_readline("Password: ", 1, password
, sizeof(password
));
4185 if (bdrv_set_key(bs
, password
) == 0)
4187 term_printf("invalid password\n");
4192 static BlockDriverState
*get_bdrv(int index
)
4194 if (index
> nb_drives
)
4196 return drives_table
[index
].bdrv
;
4199 static void read_passwords(void)
4201 BlockDriverState
*bs
;
4204 for(i
= 0; i
< 6; i
++) {
4207 qemu_key_check(bs
, bdrv_get_device_name(bs
));
4212 struct soundhw soundhw
[] = {
4213 #ifdef HAS_AUDIO_CHOICE
4214 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4220 { .init_isa
= pcspk_audio_init
}
4225 "Creative Sound Blaster 16",
4228 { .init_isa
= SB16_init
}
4231 #ifdef CONFIG_CS4231A
4237 { .init_isa
= cs4231a_init
}
4245 "Yamaha YMF262 (OPL3)",
4247 "Yamaha YM3812 (OPL2)",
4251 { .init_isa
= Adlib_init
}
4258 "Gravis Ultrasound GF1",
4261 { .init_isa
= GUS_init
}
4268 "Intel 82801AA AC97 Audio",
4271 { .init_pci
= ac97_init
}
4277 "ENSONIQ AudioPCI ES1370",
4280 { .init_pci
= es1370_init
}
4284 { NULL
, NULL
, 0, 0, { NULL
} }
4287 static void select_soundhw (const char *optarg
)
4291 if (*optarg
== '?') {
4294 printf ("Valid sound card names (comma separated):\n");
4295 for (c
= soundhw
; c
->name
; ++c
) {
4296 printf ("%-11s %s\n", c
->name
, c
->descr
);
4298 printf ("\n-soundhw all will enable all of the above\n");
4299 exit (*optarg
!= '?');
4307 if (!strcmp (optarg
, "all")) {
4308 for (c
= soundhw
; c
->name
; ++c
) {
4316 e
= strchr (p
, ',');
4317 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4319 for (c
= soundhw
; c
->name
; ++c
) {
4320 if (!strncmp (c
->name
, p
, l
)) {
4329 "Unknown sound card name (too big to show)\n");
4332 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4337 p
+= l
+ (e
!= NULL
);
4341 goto show_valid_cards
;
4346 static void select_vgahw (const char *p
)
4350 if (strstart(p
, "std", &opts
)) {
4351 cirrus_vga_enabled
= 0;
4353 } else if (strstart(p
, "cirrus", &opts
)) {
4354 cirrus_vga_enabled
= 1;
4356 } else if (strstart(p
, "vmware", &opts
)) {
4357 cirrus_vga_enabled
= 0;
4361 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4365 const char *nextopt
;
4367 if (strstart(opts
, ",retrace=", &nextopt
)) {
4369 if (strstart(opts
, "dumb", &nextopt
))
4370 vga_retrace_method
= VGA_RETRACE_DUMB
;
4371 else if (strstart(opts
, "precise", &nextopt
))
4372 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4373 else goto invalid_vga
;
4374 } else goto invalid_vga
;
4380 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4382 exit(STATUS_CONTROL_C_EXIT
);
4387 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4391 if(strlen(str
) != 36)
4394 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4395 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4396 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4404 #define MAX_NET_CLIENTS 32
4408 static void termsig_handler(int signal
)
4410 qemu_system_shutdown_request();
4413 static void termsig_setup(void)
4415 struct sigaction act
;
4417 memset(&act
, 0, sizeof(act
));
4418 act
.sa_handler
= termsig_handler
;
4419 sigaction(SIGINT
, &act
, NULL
);
4420 sigaction(SIGHUP
, &act
, NULL
);
4421 sigaction(SIGTERM
, &act
, NULL
);
4426 int main(int argc
, char **argv
)
4428 #ifdef CONFIG_GDBSTUB
4430 const char *gdbstub_port
;
4432 uint32_t boot_devices_bitmap
= 0;
4434 int snapshot
, linux_boot
, net_boot
;
4435 const char *initrd_filename
;
4436 const char *kernel_filename
, *kernel_cmdline
;
4437 const char *boot_devices
= "";
4438 DisplayState
*ds
= &display_state
;
4439 int cyls
, heads
, secs
, translation
;
4440 const char *net_clients
[MAX_NET_CLIENTS
];
4442 const char *bt_opts
[MAX_BT_CMDLINE
];
4446 const char *r
, *optarg
;
4447 CharDriverState
*monitor_hd
;
4448 const char *monitor_device
;
4449 const char *serial_devices
[MAX_SERIAL_PORTS
];
4450 int serial_device_index
;
4451 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4452 int parallel_device_index
;
4453 const char *loadvm
= NULL
;
4454 QEMUMachine
*machine
;
4455 const char *cpu_model
;
4456 const char *usb_devices
[MAX_USB_CMDLINE
];
4457 int usb_devices_index
;
4460 const char *pid_file
= NULL
;
4462 const char *incoming
= NULL
;
4464 LIST_INIT (&vm_change_state_head
);
4467 struct sigaction act
;
4468 sigfillset(&act
.sa_mask
);
4470 act
.sa_handler
= SIG_IGN
;
4471 sigaction(SIGPIPE
, &act
, NULL
);
4474 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
4475 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4476 QEMU to run on a single CPU */
4481 h
= GetCurrentProcess();
4482 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
4483 for(i
= 0; i
< 32; i
++) {
4484 if (mask
& (1 << i
))
4489 SetProcessAffinityMask(h
, mask
);
4495 register_machines();
4496 machine
= first_machine
;
4498 initrd_filename
= NULL
;
4500 vga_ram_size
= VGA_RAM_SIZE
;
4501 #ifdef CONFIG_GDBSTUB
4503 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
4508 kernel_filename
= NULL
;
4509 kernel_cmdline
= "";
4510 cyls
= heads
= secs
= 0;
4511 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4512 monitor_device
= "vc";
4514 serial_devices
[0] = "vc:80Cx24C";
4515 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
4516 serial_devices
[i
] = NULL
;
4517 serial_device_index
= 0;
4519 parallel_devices
[0] = "vc:640x480";
4520 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
4521 parallel_devices
[i
] = NULL
;
4522 parallel_device_index
= 0;
4524 usb_devices_index
= 0;
4543 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
4545 const QEMUOption
*popt
;
4548 /* Treat --foo the same as -foo. */
4551 popt
= qemu_options
;
4554 fprintf(stderr
, "%s: invalid option -- '%s'\n",
4558 if (!strcmp(popt
->name
, r
+ 1))
4562 if (popt
->flags
& HAS_ARG
) {
4563 if (optind
>= argc
) {
4564 fprintf(stderr
, "%s: option '%s' requires an argument\n",
4568 optarg
= argv
[optind
++];
4573 switch(popt
->index
) {
4575 machine
= find_machine(optarg
);
4578 printf("Supported machines are:\n");
4579 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4580 printf("%-10s %s%s\n",
4582 m
== first_machine
? " (default)" : "");
4584 exit(*optarg
!= '?');
4587 case QEMU_OPTION_cpu
:
4588 /* hw initialization will check this */
4589 if (*optarg
== '?') {
4590 /* XXX: implement xxx_cpu_list for targets that still miss it */
4591 #if defined(cpu_list)
4592 cpu_list(stdout
, &fprintf
);
4599 case QEMU_OPTION_initrd
:
4600 initrd_filename
= optarg
;
4602 case QEMU_OPTION_hda
:
4604 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
4606 hda_index
= drive_add(optarg
, HD_ALIAS
4607 ",cyls=%d,heads=%d,secs=%d%s",
4608 0, cyls
, heads
, secs
,
4609 translation
== BIOS_ATA_TRANSLATION_LBA
?
4611 translation
== BIOS_ATA_TRANSLATION_NONE
?
4612 ",trans=none" : "");
4614 case QEMU_OPTION_hdb
:
4615 case QEMU_OPTION_hdc
:
4616 case QEMU_OPTION_hdd
:
4617 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
4619 case QEMU_OPTION_drive
:
4620 drive_add(NULL
, "%s", optarg
);
4622 case QEMU_OPTION_mtdblock
:
4623 drive_add(optarg
, MTD_ALIAS
);
4625 case QEMU_OPTION_sd
:
4626 drive_add(optarg
, SD_ALIAS
);
4628 case QEMU_OPTION_pflash
:
4629 drive_add(optarg
, PFLASH_ALIAS
);
4631 case QEMU_OPTION_snapshot
:
4634 case QEMU_OPTION_hdachs
:
4638 cyls
= strtol(p
, (char **)&p
, 0);
4639 if (cyls
< 1 || cyls
> 16383)
4644 heads
= strtol(p
, (char **)&p
, 0);
4645 if (heads
< 1 || heads
> 16)
4650 secs
= strtol(p
, (char **)&p
, 0);
4651 if (secs
< 1 || secs
> 63)
4655 if (!strcmp(p
, "none"))
4656 translation
= BIOS_ATA_TRANSLATION_NONE
;
4657 else if (!strcmp(p
, "lba"))
4658 translation
= BIOS_ATA_TRANSLATION_LBA
;
4659 else if (!strcmp(p
, "auto"))
4660 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4663 } else if (*p
!= '\0') {
4665 fprintf(stderr
, "qemu: invalid physical CHS format\n");
4668 if (hda_index
!= -1)
4669 snprintf(drives_opt
[hda_index
].opt
,
4670 sizeof(drives_opt
[hda_index
].opt
),
4671 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
4672 0, cyls
, heads
, secs
,
4673 translation
== BIOS_ATA_TRANSLATION_LBA
?
4675 translation
== BIOS_ATA_TRANSLATION_NONE
?
4676 ",trans=none" : "");
4679 case QEMU_OPTION_nographic
:
4682 #ifdef CONFIG_CURSES
4683 case QEMU_OPTION_curses
:
4687 case QEMU_OPTION_portrait
:
4690 case QEMU_OPTION_kernel
:
4691 kernel_filename
= optarg
;
4693 case QEMU_OPTION_append
:
4694 kernel_cmdline
= optarg
;
4696 case QEMU_OPTION_cdrom
:
4697 drive_add(optarg
, CDROM_ALIAS
);
4699 case QEMU_OPTION_boot
:
4700 boot_devices
= optarg
;
4701 /* We just do some generic consistency checks */
4703 /* Could easily be extended to 64 devices if needed */
4706 boot_devices_bitmap
= 0;
4707 for (p
= boot_devices
; *p
!= '\0'; p
++) {
4708 /* Allowed boot devices are:
4709 * a b : floppy disk drives
4710 * c ... f : IDE disk drives
4711 * g ... m : machine implementation dependant drives
4712 * n ... p : network devices
4713 * It's up to each machine implementation to check
4714 * if the given boot devices match the actual hardware
4715 * implementation and firmware features.
4717 if (*p
< 'a' || *p
> 'q') {
4718 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
4721 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
4723 "Boot device '%c' was given twice\n",*p
);
4726 boot_devices_bitmap
|= 1 << (*p
- 'a');
4730 case QEMU_OPTION_fda
:
4731 case QEMU_OPTION_fdb
:
4732 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
4735 case QEMU_OPTION_no_fd_bootchk
:
4739 case QEMU_OPTION_net
:
4740 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
4741 fprintf(stderr
, "qemu: too many network clients\n");
4744 net_clients
[nb_net_clients
] = optarg
;
4748 case QEMU_OPTION_tftp
:
4749 tftp_prefix
= optarg
;
4751 case QEMU_OPTION_bootp
:
4752 bootp_filename
= optarg
;
4755 case QEMU_OPTION_smb
:
4756 net_slirp_smb(optarg
);
4759 case QEMU_OPTION_redir
:
4760 net_slirp_redir(optarg
);
4763 case QEMU_OPTION_bt
:
4764 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
4765 fprintf(stderr
, "qemu: too many bluetooth options\n");
4768 bt_opts
[nb_bt_opts
++] = optarg
;
4771 case QEMU_OPTION_audio_help
:
4775 case QEMU_OPTION_soundhw
:
4776 select_soundhw (optarg
);
4782 case QEMU_OPTION_m
: {
4786 value
= strtoul(optarg
, &ptr
, 10);
4788 case 0: case 'M': case 'm':
4795 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
4799 /* On 32-bit hosts, QEMU is limited by virtual address space */
4800 if (value
> (2047 << 20)
4802 && HOST_LONG_BITS
== 32
4805 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4808 if (value
!= (uint64_t)(ram_addr_t
)value
) {
4809 fprintf(stderr
, "qemu: ram size too large\n");
4818 const CPULogItem
*item
;
4820 mask
= cpu_str_to_log_mask(optarg
);
4822 printf("Log items (comma separated):\n");
4823 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
4824 printf("%-10s %s\n", item
->name
, item
->help
);
4831 #ifdef CONFIG_GDBSTUB
4836 gdbstub_port
= optarg
;
4842 case QEMU_OPTION_bios
:
4849 keyboard_layout
= optarg
;
4851 case QEMU_OPTION_localtime
:
4854 case QEMU_OPTION_vga
:
4855 select_vgahw (optarg
);
4862 w
= strtol(p
, (char **)&p
, 10);
4865 fprintf(stderr
, "qemu: invalid resolution or depth\n");
4871 h
= strtol(p
, (char **)&p
, 10);
4876 depth
= strtol(p
, (char **)&p
, 10);
4877 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
4878 depth
!= 24 && depth
!= 32)
4880 } else if (*p
== '\0') {
4881 depth
= graphic_depth
;
4888 graphic_depth
= depth
;
4891 case QEMU_OPTION_echr
:
4894 term_escape_char
= strtol(optarg
, &r
, 0);
4896 printf("Bad argument to echr\n");
4899 case QEMU_OPTION_monitor
:
4900 monitor_device
= optarg
;
4902 case QEMU_OPTION_serial
:
4903 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
4904 fprintf(stderr
, "qemu: too many serial ports\n");
4907 serial_devices
[serial_device_index
] = optarg
;
4908 serial_device_index
++;
4910 case QEMU_OPTION_parallel
:
4911 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
4912 fprintf(stderr
, "qemu: too many parallel ports\n");
4915 parallel_devices
[parallel_device_index
] = optarg
;
4916 parallel_device_index
++;
4918 case QEMU_OPTION_loadvm
:
4921 case QEMU_OPTION_full_screen
:
4925 case QEMU_OPTION_no_frame
:
4928 case QEMU_OPTION_alt_grab
:
4931 case QEMU_OPTION_no_quit
:
4935 case QEMU_OPTION_pidfile
:
4939 case QEMU_OPTION_win2k_hack
:
4940 win2k_install_hack
= 1;
4944 case QEMU_OPTION_no_kqemu
:
4947 case QEMU_OPTION_kernel_kqemu
:
4952 case QEMU_OPTION_enable_kvm
:
4959 case QEMU_OPTION_usb
:
4962 case QEMU_OPTION_usbdevice
:
4964 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
4965 fprintf(stderr
, "Too many USB devices\n");
4968 usb_devices
[usb_devices_index
] = optarg
;
4969 usb_devices_index
++;
4971 case QEMU_OPTION_smp
:
4972 smp_cpus
= atoi(optarg
);
4974 fprintf(stderr
, "Invalid number of CPUs\n");
4978 case QEMU_OPTION_vnc
:
4979 vnc_display
= optarg
;
4981 case QEMU_OPTION_no_acpi
:
4984 case QEMU_OPTION_no_reboot
:
4987 case QEMU_OPTION_no_shutdown
:
4990 case QEMU_OPTION_show_cursor
:
4993 case QEMU_OPTION_uuid
:
4994 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
4995 fprintf(stderr
, "Fail to parse UUID string."
4996 " Wrong format.\n");
5000 case QEMU_OPTION_daemonize
:
5003 case QEMU_OPTION_option_rom
:
5004 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5005 fprintf(stderr
, "Too many option ROMs\n");
5008 option_rom
[nb_option_roms
] = optarg
;
5011 case QEMU_OPTION_semihosting
:
5012 semihosting_enabled
= 1;
5014 case QEMU_OPTION_name
:
5018 case QEMU_OPTION_prom_env
:
5019 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5020 fprintf(stderr
, "Too many prom variables\n");
5023 prom_envs
[nb_prom_envs
] = optarg
;
5028 case QEMU_OPTION_old_param
:
5032 case QEMU_OPTION_clock
:
5033 configure_alarms(optarg
);
5035 case QEMU_OPTION_startdate
:
5038 time_t rtc_start_date
;
5039 if (!strcmp(optarg
, "now")) {
5040 rtc_date_offset
= -1;
5042 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5050 } else if (sscanf(optarg
, "%d-%d-%d",
5053 &tm
.tm_mday
) == 3) {
5062 rtc_start_date
= mktimegm(&tm
);
5063 if (rtc_start_date
== -1) {
5065 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5066 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5069 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5073 case QEMU_OPTION_tb_size
:
5074 tb_size
= strtol(optarg
, NULL
, 0);
5078 case QEMU_OPTION_icount
:
5080 if (strcmp(optarg
, "auto") == 0) {
5081 icount_time_shift
= -1;
5083 icount_time_shift
= strtol(optarg
, NULL
, 0);
5086 case QEMU_OPTION_incoming
:
5093 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5094 if (kvm_allowed
&& kqemu_allowed
) {
5096 "You can not enable both KVM and kqemu at the same time\n");
5101 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5102 if (smp_cpus
> machine
->max_cpus
) {
5103 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5104 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5110 if (serial_device_index
== 0)
5111 serial_devices
[0] = "stdio";
5112 if (parallel_device_index
== 0)
5113 parallel_devices
[0] = "null";
5114 if (strncmp(monitor_device
, "vc", 2) == 0)
5115 monitor_device
= "stdio";
5122 if (pipe(fds
) == -1)
5133 len
= read(fds
[0], &status
, 1);
5134 if (len
== -1 && (errno
== EINTR
))
5139 else if (status
== 1) {
5140 fprintf(stderr
, "Could not acquire pidfile\n");
5157 signal(SIGTSTP
, SIG_IGN
);
5158 signal(SIGTTOU
, SIG_IGN
);
5159 signal(SIGTTIN
, SIG_IGN
);
5163 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5166 write(fds
[1], &status
, 1);
5168 fprintf(stderr
, "Could not acquire pid file\n");
5176 linux_boot
= (kernel_filename
!= NULL
);
5177 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5179 if (!linux_boot
&& net_boot
== 0 &&
5180 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
5183 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5184 fprintf(stderr
, "-append only allowed with -kernel option\n");
5188 if (!linux_boot
&& initrd_filename
!= NULL
) {
5189 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5193 /* boot to floppy or the default cd if no hard disk defined yet */
5194 if (!boot_devices
[0]) {
5195 boot_devices
= "cad";
5197 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5200 if (init_timer_alarm() < 0) {
5201 fprintf(stderr
, "could not initialize alarm timer\n");
5204 if (use_icount
&& icount_time_shift
< 0) {
5206 /* 125MIPS seems a reasonable initial guess at the guest speed.
5207 It will be corrected fairly quickly anyway. */
5208 icount_time_shift
= 3;
5209 init_icount_adjust();
5216 /* init network clients */
5217 if (nb_net_clients
== 0) {
5218 /* if no clients, we use a default config */
5219 net_clients
[nb_net_clients
++] = "nic";
5221 net_clients
[nb_net_clients
++] = "user";
5225 for(i
= 0;i
< nb_net_clients
; i
++) {
5226 if (net_client_parse(net_clients
[i
]) < 0)
5232 /* XXX: this should be moved in the PC machine instantiation code */
5233 if (net_boot
!= 0) {
5235 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
5236 const char *model
= nd_table
[i
].model
;
5238 if (net_boot
& (1 << i
)) {
5241 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
5242 if (get_image_size(buf
) > 0) {
5243 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5244 fprintf(stderr
, "Too many option ROMs\n");
5247 option_rom
[nb_option_roms
] = strdup(buf
);
5254 fprintf(stderr
, "No valid PXE rom found for network device\n");
5260 /* init the bluetooth world */
5261 for (i
= 0; i
< nb_bt_opts
; i
++)
5262 if (bt_parse(bt_opts
[i
]))
5265 /* init the memory */
5266 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
5268 if (machine
->ram_require
& RAMSIZE_FIXED
) {
5270 if (ram_size
< phys_ram_size
) {
5271 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
5272 machine
->name
, (unsigned long long) phys_ram_size
);
5276 phys_ram_size
= ram_size
;
5278 ram_size
= phys_ram_size
;
5281 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5283 phys_ram_size
+= ram_size
;
5286 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
5287 if (!phys_ram_base
) {
5288 fprintf(stderr
, "Could not allocate physical memory\n");
5292 /* init the dynamic translator */
5293 cpu_exec_init_all(tb_size
* 1024 * 1024);
5297 /* we always create the cdrom drive, even if no disk is there */
5299 if (nb_drives_opt
< MAX_DRIVES
)
5300 drive_add(NULL
, CDROM_ALIAS
);
5302 /* we always create at least one floppy */
5304 if (nb_drives_opt
< MAX_DRIVES
)
5305 drive_add(NULL
, FD_ALIAS
, 0);
5307 /* we always create one sd slot, even if no card is in it */
5309 if (nb_drives_opt
< MAX_DRIVES
)
5310 drive_add(NULL
, SD_ALIAS
);
5312 /* open the virtual block devices */
5314 for(i
= 0; i
< nb_drives_opt
; i
++)
5315 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5318 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5319 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5322 memset(&display_state
, 0, sizeof(display_state
));
5325 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
5328 /* nearly nothing to do */
5329 dumb_display_init(ds
);
5330 } else if (vnc_display
!= NULL
) {
5331 vnc_display_init(ds
);
5332 if (vnc_display_open(ds
, vnc_display
) < 0)
5335 #if defined(CONFIG_CURSES)
5337 curses_display_init(ds
, full_screen
);
5341 #if defined(CONFIG_SDL)
5342 sdl_display_init(ds
, full_screen
, no_frame
);
5343 #elif defined(CONFIG_COCOA)
5344 cocoa_display_init(ds
, full_screen
);
5346 dumb_display_init(ds
);
5351 /* must be after terminal init, SDL library changes signal handlers */
5355 /* Maintain compatibility with multiple stdio monitors */
5356 if (!strcmp(monitor_device
,"stdio")) {
5357 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5358 const char *devname
= serial_devices
[i
];
5359 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5360 monitor_device
= NULL
;
5362 } else if (devname
&& !strcmp(devname
,"stdio")) {
5363 monitor_device
= NULL
;
5364 serial_devices
[i
] = "mon:stdio";
5369 if (monitor_device
) {
5370 monitor_hd
= qemu_chr_open("monitor", monitor_device
);
5372 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
5375 monitor_init(monitor_hd
, !nographic
);
5378 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5379 const char *devname
= serial_devices
[i
];
5380 if (devname
&& strcmp(devname
, "none")) {
5382 snprintf(label
, sizeof(label
), "serial%d", i
);
5383 serial_hds
[i
] = qemu_chr_open(label
, devname
);
5384 if (!serial_hds
[i
]) {
5385 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
5389 if (strstart(devname
, "vc", 0))
5390 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
5394 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5395 const char *devname
= parallel_devices
[i
];
5396 if (devname
&& strcmp(devname
, "none")) {
5398 snprintf(label
, sizeof(label
), "parallel%d", i
);
5399 parallel_hds
[i
] = qemu_chr_open(label
, devname
);
5400 if (!parallel_hds
[i
]) {
5401 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
5405 if (strstart(devname
, "vc", 0))
5406 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
5410 if (kvm_enabled()) {
5413 ret
= kvm_init(smp_cpus
);
5415 fprintf(stderr
, "failed to initialize KVM\n");
5420 machine
->init(ram_size
, vga_ram_size
, boot_devices
, ds
,
5421 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
5423 /* init USB devices */
5425 for(i
= 0; i
< usb_devices_index
; i
++) {
5426 if (usb_device_add(usb_devices
[i
]) < 0) {
5427 fprintf(stderr
, "Warning: could not add USB device %s\n",
5433 if (display_state
.dpy_refresh
) {
5434 display_state
.gui_timer
= qemu_new_timer(rt_clock
, gui_update
, &display_state
);
5435 qemu_mod_timer(display_state
.gui_timer
, qemu_get_clock(rt_clock
));
5438 #ifdef CONFIG_GDBSTUB
5440 /* XXX: use standard host:port notation and modify options
5442 if (gdbserver_start(gdbstub_port
) < 0) {
5443 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
5454 autostart
= 0; /* fixme how to deal with -daemonize */
5455 qemu_start_incoming_migration(incoming
);
5459 /* XXX: simplify init */
5472 len
= write(fds
[1], &status
, 1);
5473 if (len
== -1 && (errno
== EINTR
))
5480 TFR(fd
= open("/dev/null", O_RDWR
));