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"
39 #include "cache-utils.h"
41 #include "audio/audio.h"
42 #include "migration.h"
55 #include <sys/times.h>
59 #include <sys/ioctl.h>
60 #include <sys/resource.h>
61 #include <sys/socket.h>
62 #include <netinet/in.h>
64 #if defined(__NetBSD__)
65 #include <net/if_tap.h>
68 #include <linux/if_tun.h>
70 #include <arpa/inet.h>
73 #include <sys/select.h>
81 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
82 #include <freebsd/stdlib.h>
87 #include <linux/rtc.h>
89 /* For the benefit of older linux systems which don't supply it,
90 we use a local copy of hpet.h. */
91 /* #include <linux/hpet.h> */
94 #include <linux/ppdev.h>
95 #include <linux/parport.h>
99 #include <sys/ethernet.h>
100 #include <sys/sockio.h>
101 #include <netinet/arp.h>
102 #include <netinet/in.h>
103 #include <netinet/in_systm.h>
104 #include <netinet/ip.h>
105 #include <netinet/ip_icmp.h> // must come after ip.h
106 #include <netinet/udp.h>
107 #include <netinet/tcp.h>
115 #include "qemu_socket.h"
117 #if defined(CONFIG_SLIRP)
118 #include "libslirp.h"
121 #if defined(__OpenBSD__)
125 #if defined(CONFIG_VDE)
126 #include <libvdeplug.h>
131 #include <sys/timeb.h>
132 #include <mmsystem.h>
133 #define getopt_long_only getopt_long
134 #define memalign(align, size) malloc(size)
141 #endif /* CONFIG_SDL */
145 #define main qemu_main
146 #endif /* CONFIG_COCOA */
150 #include "exec-all.h"
152 //#define DEBUG_UNUSED_IOPORT
153 //#define DEBUG_IOPORT
155 //#define DEBUG_SLIRP
159 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
161 # define LOG_IOPORT(...) do { } while (0)
165 #define DEFAULT_RAM_SIZE 144
167 #define DEFAULT_RAM_SIZE 128
170 /* Max number of USB devices that can be specified on the commandline. */
171 #define MAX_USB_CMDLINE 8
173 /* Max number of bluetooth switches on the commandline. */
174 #define MAX_BT_CMDLINE 10
176 /* XXX: use a two level table to limit memory usage */
177 #define MAX_IOPORTS 65536
179 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
180 const char *bios_name
= NULL
;
181 static void *ioport_opaque
[MAX_IOPORTS
];
182 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
183 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
184 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
185 to store the VM snapshots */
186 DriveInfo drives_table
[MAX_DRIVES
+1];
188 static int vga_ram_size
;
189 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
190 static DisplayState
*display_state
;
194 const char* keyboard_layout
= NULL
;
195 int64_t ticks_per_sec
;
198 NICInfo nd_table
[MAX_NICS
];
200 static int rtc_utc
= 1;
201 static int rtc_date_offset
= -1; /* -1 means no change */
202 int cirrus_vga_enabled
= 1;
203 int std_vga_enabled
= 0;
204 int vmsvga_enabled
= 0;
206 int graphic_width
= 1024;
207 int graphic_height
= 768;
208 int graphic_depth
= 8;
210 int graphic_width
= 800;
211 int graphic_height
= 600;
212 int graphic_depth
= 15;
214 static int full_screen
= 0;
216 static int no_frame
= 0;
219 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
220 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
221 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
223 int win2k_install_hack
= 0;
228 const char *vnc_display
;
229 int acpi_enabled
= 1;
235 int graphic_rotate
= 0;
237 const char *option_rom
[MAX_OPTION_ROMS
];
239 int semihosting_enabled
= 0;
243 const char *qemu_name
;
245 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
246 unsigned int nb_prom_envs
= 0;
247 const char *prom_envs
[MAX_PROM_ENVS
];
249 static int nb_drives_opt
;
250 static struct drive_opt
{
253 } drives_opt
[MAX_DRIVES
];
255 static CPUState
*cur_cpu
;
256 static CPUState
*next_cpu
;
257 static int event_pending
= 1;
258 /* Conversion factor from emulated instructions to virtual clock ticks. */
259 static int icount_time_shift
;
260 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
261 #define MAX_ICOUNT_SHIFT 10
262 /* Compensate for varying guest execution speed. */
263 static int64_t qemu_icount_bias
;
264 static QEMUTimer
*icount_rt_timer
;
265 static QEMUTimer
*icount_vm_timer
;
266 static QEMUTimer
*nographic_timer
;
268 uint8_t qemu_uuid
[16];
270 /***********************************************************/
271 /* x86 ISA bus support */
273 target_phys_addr_t isa_mem_base
= 0;
276 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
277 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
279 static uint32_t ioport_read(int index
, uint32_t address
)
281 static IOPortReadFunc
*default_func
[3] = {
282 default_ioport_readb
,
283 default_ioport_readw
,
286 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
288 func
= default_func
[index
];
289 return func(ioport_opaque
[address
], address
);
292 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
294 static IOPortWriteFunc
*default_func
[3] = {
295 default_ioport_writeb
,
296 default_ioport_writew
,
297 default_ioport_writel
299 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
301 func
= default_func
[index
];
302 func(ioport_opaque
[address
], address
, data
);
305 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
307 #ifdef DEBUG_UNUSED_IOPORT
308 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
313 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
315 #ifdef DEBUG_UNUSED_IOPORT
316 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
320 /* default is to make two byte accesses */
321 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
324 data
= ioport_read(0, address
);
325 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
326 data
|= ioport_read(0, address
) << 8;
330 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
332 ioport_write(0, address
, data
& 0xff);
333 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
334 ioport_write(0, address
, (data
>> 8) & 0xff);
337 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
339 #ifdef DEBUG_UNUSED_IOPORT
340 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
345 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
347 #ifdef DEBUG_UNUSED_IOPORT
348 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
352 /* size is the word size in byte */
353 int register_ioport_read(int start
, int length
, int size
,
354 IOPortReadFunc
*func
, void *opaque
)
360 } else if (size
== 2) {
362 } else if (size
== 4) {
365 hw_error("register_ioport_read: invalid size");
368 for(i
= start
; i
< start
+ length
; i
+= size
) {
369 ioport_read_table
[bsize
][i
] = func
;
370 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
371 hw_error("register_ioport_read: invalid opaque");
372 ioport_opaque
[i
] = opaque
;
377 /* size is the word size in byte */
378 int register_ioport_write(int start
, int length
, int size
,
379 IOPortWriteFunc
*func
, void *opaque
)
385 } else if (size
== 2) {
387 } else if (size
== 4) {
390 hw_error("register_ioport_write: invalid size");
393 for(i
= start
; i
< start
+ length
; i
+= size
) {
394 ioport_write_table
[bsize
][i
] = func
;
395 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
396 hw_error("register_ioport_write: invalid opaque");
397 ioport_opaque
[i
] = opaque
;
402 void isa_unassign_ioport(int start
, int length
)
406 for(i
= start
; i
< start
+ length
; i
++) {
407 ioport_read_table
[0][i
] = default_ioport_readb
;
408 ioport_read_table
[1][i
] = default_ioport_readw
;
409 ioport_read_table
[2][i
] = default_ioport_readl
;
411 ioport_write_table
[0][i
] = default_ioport_writeb
;
412 ioport_write_table
[1][i
] = default_ioport_writew
;
413 ioport_write_table
[2][i
] = default_ioport_writel
;
417 /***********************************************************/
419 void cpu_outb(CPUState
*env
, int addr
, int val
)
421 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
422 ioport_write(0, addr
, val
);
425 env
->last_io_time
= cpu_get_time_fast();
429 void cpu_outw(CPUState
*env
, int addr
, int val
)
431 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
432 ioport_write(1, addr
, val
);
435 env
->last_io_time
= cpu_get_time_fast();
439 void cpu_outl(CPUState
*env
, int addr
, int val
)
441 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
442 ioport_write(2, addr
, val
);
445 env
->last_io_time
= cpu_get_time_fast();
449 int cpu_inb(CPUState
*env
, int addr
)
452 val
= ioport_read(0, addr
);
453 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
456 env
->last_io_time
= cpu_get_time_fast();
461 int cpu_inw(CPUState
*env
, int addr
)
464 val
= ioport_read(1, addr
);
465 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
468 env
->last_io_time
= cpu_get_time_fast();
473 int cpu_inl(CPUState
*env
, int addr
)
476 val
= ioport_read(2, addr
);
477 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
480 env
->last_io_time
= cpu_get_time_fast();
485 /***********************************************************/
486 void hw_error(const char *fmt
, ...)
492 fprintf(stderr
, "qemu: hardware error: ");
493 vfprintf(stderr
, fmt
, ap
);
494 fprintf(stderr
, "\n");
495 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
496 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
498 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
500 cpu_dump_state(env
, stderr
, fprintf
, 0);
510 static QEMUBalloonEvent
*qemu_balloon_event
;
511 void *qemu_balloon_event_opaque
;
513 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
515 qemu_balloon_event
= func
;
516 qemu_balloon_event_opaque
= opaque
;
519 void qemu_balloon(ram_addr_t target
)
521 if (qemu_balloon_event
)
522 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
525 ram_addr_t
qemu_balloon_status(void)
527 if (qemu_balloon_event
)
528 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
532 /***********************************************************/
535 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
536 static void *qemu_put_kbd_event_opaque
;
537 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
538 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
540 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
542 qemu_put_kbd_event_opaque
= opaque
;
543 qemu_put_kbd_event
= func
;
546 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
547 void *opaque
, int absolute
,
550 QEMUPutMouseEntry
*s
, *cursor
;
552 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
556 s
->qemu_put_mouse_event
= func
;
557 s
->qemu_put_mouse_event_opaque
= opaque
;
558 s
->qemu_put_mouse_event_absolute
= absolute
;
559 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
562 if (!qemu_put_mouse_event_head
) {
563 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
567 cursor
= qemu_put_mouse_event_head
;
568 while (cursor
->next
!= NULL
)
569 cursor
= cursor
->next
;
572 qemu_put_mouse_event_current
= s
;
577 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
579 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
581 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
584 cursor
= qemu_put_mouse_event_head
;
585 while (cursor
!= NULL
&& cursor
!= entry
) {
587 cursor
= cursor
->next
;
590 if (cursor
== NULL
) // does not exist or list empty
592 else if (prev
== NULL
) { // entry is head
593 qemu_put_mouse_event_head
= cursor
->next
;
594 if (qemu_put_mouse_event_current
== entry
)
595 qemu_put_mouse_event_current
= cursor
->next
;
596 qemu_free(entry
->qemu_put_mouse_event_name
);
601 prev
->next
= entry
->next
;
603 if (qemu_put_mouse_event_current
== entry
)
604 qemu_put_mouse_event_current
= prev
;
606 qemu_free(entry
->qemu_put_mouse_event_name
);
610 void kbd_put_keycode(int keycode
)
612 if (qemu_put_kbd_event
) {
613 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
617 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
619 QEMUPutMouseEvent
*mouse_event
;
620 void *mouse_event_opaque
;
623 if (!qemu_put_mouse_event_current
) {
628 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
630 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
633 if (graphic_rotate
) {
634 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
637 width
= graphic_width
- 1;
638 mouse_event(mouse_event_opaque
,
639 width
- dy
, dx
, dz
, buttons_state
);
641 mouse_event(mouse_event_opaque
,
642 dx
, dy
, dz
, buttons_state
);
646 int kbd_mouse_is_absolute(void)
648 if (!qemu_put_mouse_event_current
)
651 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
654 void do_info_mice(void)
656 QEMUPutMouseEntry
*cursor
;
659 if (!qemu_put_mouse_event_head
) {
660 term_printf("No mouse devices connected\n");
664 term_printf("Mouse devices available:\n");
665 cursor
= qemu_put_mouse_event_head
;
666 while (cursor
!= NULL
) {
667 term_printf("%c Mouse #%d: %s\n",
668 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
669 index
, cursor
->qemu_put_mouse_event_name
);
671 cursor
= cursor
->next
;
675 void do_mouse_set(int index
)
677 QEMUPutMouseEntry
*cursor
;
680 if (!qemu_put_mouse_event_head
) {
681 term_printf("No mouse devices connected\n");
685 cursor
= qemu_put_mouse_event_head
;
686 while (cursor
!= NULL
&& index
!= i
) {
688 cursor
= cursor
->next
;
692 qemu_put_mouse_event_current
= cursor
;
694 term_printf("Mouse at given index not found\n");
697 /* compute with 96 bit intermediate result: (a*b)/c */
698 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
703 #ifdef WORDS_BIGENDIAN
713 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
714 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
717 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
721 /***********************************************************/
722 /* real time host monotonic timer */
724 #define QEMU_TIMER_BASE 1000000000LL
728 static int64_t clock_freq
;
730 static void init_get_clock(void)
734 ret
= QueryPerformanceFrequency(&freq
);
736 fprintf(stderr
, "Could not calibrate ticks\n");
739 clock_freq
= freq
.QuadPart
;
742 static int64_t get_clock(void)
745 QueryPerformanceCounter(&ti
);
746 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
751 static int use_rt_clock
;
753 static void init_get_clock(void)
756 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
759 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
766 static int64_t get_clock(void)
768 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
771 clock_gettime(CLOCK_MONOTONIC
, &ts
);
772 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
776 /* XXX: using gettimeofday leads to problems if the date
777 changes, so it should be avoided. */
779 gettimeofday(&tv
, NULL
);
780 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
785 /* Return the virtual CPU time, based on the instruction counter. */
786 static int64_t cpu_get_icount(void)
789 CPUState
*env
= cpu_single_env
;;
790 icount
= qemu_icount
;
793 fprintf(stderr
, "Bad clock read\n");
794 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
796 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
799 /***********************************************************/
800 /* guest cycle counter */
802 static int64_t cpu_ticks_prev
;
803 static int64_t cpu_ticks_offset
;
804 static int64_t cpu_clock_offset
;
805 static int cpu_ticks_enabled
;
807 /* return the host CPU cycle counter and handle stop/restart */
808 int64_t cpu_get_ticks(void)
811 return cpu_get_icount();
813 if (!cpu_ticks_enabled
) {
814 return cpu_ticks_offset
;
817 ticks
= cpu_get_real_ticks();
818 if (cpu_ticks_prev
> ticks
) {
819 /* Note: non increasing ticks may happen if the host uses
821 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
823 cpu_ticks_prev
= ticks
;
824 return ticks
+ cpu_ticks_offset
;
828 /* return the host CPU monotonic timer and handle stop/restart */
829 static int64_t cpu_get_clock(void)
832 if (!cpu_ticks_enabled
) {
833 return cpu_clock_offset
;
836 return ti
+ cpu_clock_offset
;
840 /* enable cpu_get_ticks() */
841 void cpu_enable_ticks(void)
843 if (!cpu_ticks_enabled
) {
844 cpu_ticks_offset
-= cpu_get_real_ticks();
845 cpu_clock_offset
-= get_clock();
846 cpu_ticks_enabled
= 1;
850 /* disable cpu_get_ticks() : the clock is stopped. You must not call
851 cpu_get_ticks() after that. */
852 void cpu_disable_ticks(void)
854 if (cpu_ticks_enabled
) {
855 cpu_ticks_offset
= cpu_get_ticks();
856 cpu_clock_offset
= cpu_get_clock();
857 cpu_ticks_enabled
= 0;
861 /***********************************************************/
864 #define QEMU_TIMER_REALTIME 0
865 #define QEMU_TIMER_VIRTUAL 1
869 /* XXX: add frequency */
877 struct QEMUTimer
*next
;
880 struct qemu_alarm_timer
{
884 int (*start
)(struct qemu_alarm_timer
*t
);
885 void (*stop
)(struct qemu_alarm_timer
*t
);
886 void (*rearm
)(struct qemu_alarm_timer
*t
);
890 #define ALARM_FLAG_DYNTICKS 0x1
891 #define ALARM_FLAG_EXPIRED 0x2
893 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
895 return t
->flags
& ALARM_FLAG_DYNTICKS
;
898 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
900 if (!alarm_has_dynticks(t
))
906 /* TODO: MIN_TIMER_REARM_US should be optimized */
907 #define MIN_TIMER_REARM_US 250
909 static struct qemu_alarm_timer
*alarm_timer
;
911 static int alarm_timer_rfd
, alarm_timer_wfd
;
916 struct qemu_alarm_win32
{
920 } alarm_win32_data
= {0, NULL
, -1};
922 static int win32_start_timer(struct qemu_alarm_timer
*t
);
923 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
924 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
928 static int unix_start_timer(struct qemu_alarm_timer
*t
);
929 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
933 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
934 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
935 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
937 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
938 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
940 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
941 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
943 #endif /* __linux__ */
947 /* Correlation between real and virtual time is always going to be
948 fairly approximate, so ignore small variation.
949 When the guest is idle real and virtual time will be aligned in
951 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
953 static void icount_adjust(void)
958 static int64_t last_delta
;
959 /* If the VM is not running, then do nothing. */
963 cur_time
= cpu_get_clock();
964 cur_icount
= qemu_get_clock(vm_clock
);
965 delta
= cur_icount
- cur_time
;
966 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
968 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
969 && icount_time_shift
> 0) {
970 /* The guest is getting too far ahead. Slow time down. */
974 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
975 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
976 /* The guest is getting too far behind. Speed time up. */
980 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
983 static void icount_adjust_rt(void * opaque
)
985 qemu_mod_timer(icount_rt_timer
,
986 qemu_get_clock(rt_clock
) + 1000);
990 static void icount_adjust_vm(void * opaque
)
992 qemu_mod_timer(icount_vm_timer
,
993 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
997 static void init_icount_adjust(void)
999 /* Have both realtime and virtual time triggers for speed adjustment.
1000 The realtime trigger catches emulated time passing too slowly,
1001 the virtual time trigger catches emulated time passing too fast.
1002 Realtime triggers occur even when idle, so use them less frequently
1003 than VM triggers. */
1004 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1005 qemu_mod_timer(icount_rt_timer
,
1006 qemu_get_clock(rt_clock
) + 1000);
1007 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1008 qemu_mod_timer(icount_vm_timer
,
1009 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1012 static struct qemu_alarm_timer alarm_timers
[] = {
1015 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1016 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1017 /* HPET - if available - is preferred */
1018 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1019 /* ...otherwise try RTC */
1020 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1022 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1024 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1025 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1026 {"win32", 0, win32_start_timer
,
1027 win32_stop_timer
, NULL
, &alarm_win32_data
},
1032 static void show_available_alarms(void)
1036 printf("Available alarm timers, in order of precedence:\n");
1037 for (i
= 0; alarm_timers
[i
].name
; i
++)
1038 printf("%s\n", alarm_timers
[i
].name
);
1041 static void configure_alarms(char const *opt
)
1045 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1048 struct qemu_alarm_timer tmp
;
1050 if (!strcmp(opt
, "?")) {
1051 show_available_alarms();
1057 /* Reorder the array */
1058 name
= strtok(arg
, ",");
1060 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1061 if (!strcmp(alarm_timers
[i
].name
, name
))
1066 fprintf(stderr
, "Unknown clock %s\n", name
);
1075 tmp
= alarm_timers
[i
];
1076 alarm_timers
[i
] = alarm_timers
[cur
];
1077 alarm_timers
[cur
] = tmp
;
1081 name
= strtok(NULL
, ",");
1087 /* Disable remaining timers */
1088 for (i
= cur
; i
< count
; i
++)
1089 alarm_timers
[i
].name
= NULL
;
1091 show_available_alarms();
1096 QEMUClock
*rt_clock
;
1097 QEMUClock
*vm_clock
;
1099 static QEMUTimer
*active_timers
[2];
1101 static QEMUClock
*qemu_new_clock(int type
)
1104 clock
= qemu_mallocz(sizeof(QEMUClock
));
1111 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1115 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1118 ts
->opaque
= opaque
;
1122 void qemu_free_timer(QEMUTimer
*ts
)
1127 /* stop a timer, but do not dealloc it */
1128 void qemu_del_timer(QEMUTimer
*ts
)
1132 /* NOTE: this code must be signal safe because
1133 qemu_timer_expired() can be called from a signal. */
1134 pt
= &active_timers
[ts
->clock
->type
];
1147 /* modify the current timer so that it will be fired when current_time
1148 >= expire_time. The corresponding callback will be called. */
1149 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1155 /* add the timer in the sorted list */
1156 /* NOTE: this code must be signal safe because
1157 qemu_timer_expired() can be called from a signal. */
1158 pt
= &active_timers
[ts
->clock
->type
];
1163 if (t
->expire_time
> expire_time
)
1167 ts
->expire_time
= expire_time
;
1171 /* Rearm if necessary */
1172 if (pt
== &active_timers
[ts
->clock
->type
]) {
1173 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1174 qemu_rearm_alarm_timer(alarm_timer
);
1176 /* Interrupt execution to force deadline recalculation. */
1177 if (use_icount
&& cpu_single_env
) {
1178 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1183 int qemu_timer_pending(QEMUTimer
*ts
)
1186 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1193 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1197 return (timer_head
->expire_time
<= current_time
);
1200 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1206 if (!ts
|| ts
->expire_time
> current_time
)
1208 /* remove timer from the list before calling the callback */
1209 *ptimer_head
= ts
->next
;
1212 /* run the callback (the timer list can be modified) */
1217 int64_t qemu_get_clock(QEMUClock
*clock
)
1219 switch(clock
->type
) {
1220 case QEMU_TIMER_REALTIME
:
1221 return get_clock() / 1000000;
1223 case QEMU_TIMER_VIRTUAL
:
1225 return cpu_get_icount();
1227 return cpu_get_clock();
1232 static void init_timers(void)
1235 ticks_per_sec
= QEMU_TIMER_BASE
;
1236 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1237 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1241 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1243 uint64_t expire_time
;
1245 if (qemu_timer_pending(ts
)) {
1246 expire_time
= ts
->expire_time
;
1250 qemu_put_be64(f
, expire_time
);
1253 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1255 uint64_t expire_time
;
1257 expire_time
= qemu_get_be64(f
);
1258 if (expire_time
!= -1) {
1259 qemu_mod_timer(ts
, expire_time
);
1265 static void timer_save(QEMUFile
*f
, void *opaque
)
1267 if (cpu_ticks_enabled
) {
1268 hw_error("cannot save state if virtual timers are running");
1270 qemu_put_be64(f
, cpu_ticks_offset
);
1271 qemu_put_be64(f
, ticks_per_sec
);
1272 qemu_put_be64(f
, cpu_clock_offset
);
1275 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1277 if (version_id
!= 1 && version_id
!= 2)
1279 if (cpu_ticks_enabled
) {
1282 cpu_ticks_offset
=qemu_get_be64(f
);
1283 ticks_per_sec
=qemu_get_be64(f
);
1284 if (version_id
== 2) {
1285 cpu_clock_offset
=qemu_get_be64(f
);
1291 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1292 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1294 static void host_alarm_handler(int host_signum
)
1298 #define DISP_FREQ 1000
1300 static int64_t delta_min
= INT64_MAX
;
1301 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1303 ti
= qemu_get_clock(vm_clock
);
1304 if (last_clock
!= 0) {
1305 delta
= ti
- last_clock
;
1306 if (delta
< delta_min
)
1308 if (delta
> delta_max
)
1311 if (++count
== DISP_FREQ
) {
1312 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1313 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1314 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1315 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1316 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1318 delta_min
= INT64_MAX
;
1326 if (alarm_has_dynticks(alarm_timer
) ||
1328 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1329 qemu_get_clock(vm_clock
))) ||
1330 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1331 qemu_get_clock(rt_clock
))) {
1332 CPUState
*env
= next_cpu
;
1335 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1336 SetEvent(data
->host_alarm
);
1338 static const char byte
= 0;
1339 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1341 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1344 /* stop the currently executing cpu because a timer occured */
1345 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1347 if (env
->kqemu_enabled
) {
1348 kqemu_cpu_interrupt(env
);
1356 static int64_t qemu_next_deadline(void)
1360 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1361 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1362 qemu_get_clock(vm_clock
);
1364 /* To avoid problems with overflow limit this to 2^32. */
1374 #if defined(__linux__) || defined(_WIN32)
1375 static uint64_t qemu_next_deadline_dyntick(void)
1383 delta
= (qemu_next_deadline() + 999) / 1000;
1385 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1386 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1387 qemu_get_clock(rt_clock
))*1000;
1388 if (rtdelta
< delta
)
1392 if (delta
< MIN_TIMER_REARM_US
)
1393 delta
= MIN_TIMER_REARM_US
;
1401 /* Sets a specific flag */
1402 static int fcntl_setfl(int fd
, int flag
)
1406 flags
= fcntl(fd
, F_GETFL
);
1410 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1416 #if defined(__linux__)
1418 #define RTC_FREQ 1024
1420 static void enable_sigio_timer(int fd
)
1422 struct sigaction act
;
1425 sigfillset(&act
.sa_mask
);
1427 act
.sa_handler
= host_alarm_handler
;
1429 sigaction(SIGIO
, &act
, NULL
);
1430 fcntl_setfl(fd
, O_ASYNC
);
1431 fcntl(fd
, F_SETOWN
, getpid());
1434 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1436 struct hpet_info info
;
1439 fd
= open("/dev/hpet", O_RDONLY
);
1444 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1446 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1447 "error, but for better emulation accuracy type:\n"
1448 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1452 /* Check capabilities */
1453 r
= ioctl(fd
, HPET_INFO
, &info
);
1457 /* Enable periodic mode */
1458 r
= ioctl(fd
, HPET_EPI
, 0);
1459 if (info
.hi_flags
&& (r
< 0))
1462 /* Enable interrupt */
1463 r
= ioctl(fd
, HPET_IE_ON
, 0);
1467 enable_sigio_timer(fd
);
1468 t
->priv
= (void *)(long)fd
;
1476 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1478 int fd
= (long)t
->priv
;
1483 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1486 unsigned long current_rtc_freq
= 0;
1488 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1491 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1492 if (current_rtc_freq
!= RTC_FREQ
&&
1493 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1494 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1495 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1496 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1499 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1505 enable_sigio_timer(rtc_fd
);
1507 t
->priv
= (void *)(long)rtc_fd
;
1512 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1514 int rtc_fd
= (long)t
->priv
;
1519 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1523 struct sigaction act
;
1525 sigfillset(&act
.sa_mask
);
1527 act
.sa_handler
= host_alarm_handler
;
1529 sigaction(SIGALRM
, &act
, NULL
);
1531 ev
.sigev_value
.sival_int
= 0;
1532 ev
.sigev_notify
= SIGEV_SIGNAL
;
1533 ev
.sigev_signo
= SIGALRM
;
1535 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1536 perror("timer_create");
1538 /* disable dynticks */
1539 fprintf(stderr
, "Dynamic Ticks disabled\n");
1544 t
->priv
= (void *)(long)host_timer
;
1549 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1551 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1553 timer_delete(host_timer
);
1556 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1558 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1559 struct itimerspec timeout
;
1560 int64_t nearest_delta_us
= INT64_MAX
;
1563 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1564 !active_timers
[QEMU_TIMER_VIRTUAL
])
1567 nearest_delta_us
= qemu_next_deadline_dyntick();
1569 /* check whether a timer is already running */
1570 if (timer_gettime(host_timer
, &timeout
)) {
1572 fprintf(stderr
, "Internal timer error: aborting\n");
1575 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1576 if (current_us
&& current_us
<= nearest_delta_us
)
1579 timeout
.it_interval
.tv_sec
= 0;
1580 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1581 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1582 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1583 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1585 fprintf(stderr
, "Internal timer error: aborting\n");
1590 #endif /* defined(__linux__) */
1592 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1594 struct sigaction act
;
1595 struct itimerval itv
;
1599 sigfillset(&act
.sa_mask
);
1601 act
.sa_handler
= host_alarm_handler
;
1603 sigaction(SIGALRM
, &act
, NULL
);
1605 itv
.it_interval
.tv_sec
= 0;
1606 /* for i386 kernel 2.6 to get 1 ms */
1607 itv
.it_interval
.tv_usec
= 999;
1608 itv
.it_value
.tv_sec
= 0;
1609 itv
.it_value
.tv_usec
= 10 * 1000;
1611 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1618 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1620 struct itimerval itv
;
1622 memset(&itv
, 0, sizeof(itv
));
1623 setitimer(ITIMER_REAL
, &itv
, NULL
);
1626 #endif /* !defined(_WIN32) */
1628 static void try_to_rearm_timer(void *opaque
)
1630 struct qemu_alarm_timer
*t
= opaque
;
1634 /* Drain the notify pipe */
1637 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1638 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1641 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1642 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1643 qemu_rearm_alarm_timer(alarm_timer
);
1649 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1652 struct qemu_alarm_win32
*data
= t
->priv
;
1655 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1656 if (!data
->host_alarm
) {
1657 perror("Failed CreateEvent");
1661 memset(&tc
, 0, sizeof(tc
));
1662 timeGetDevCaps(&tc
, sizeof(tc
));
1664 if (data
->period
< tc
.wPeriodMin
)
1665 data
->period
= tc
.wPeriodMin
;
1667 timeBeginPeriod(data
->period
);
1669 flags
= TIME_CALLBACK_FUNCTION
;
1670 if (alarm_has_dynticks(t
))
1671 flags
|= TIME_ONESHOT
;
1673 flags
|= TIME_PERIODIC
;
1675 data
->timerId
= timeSetEvent(1, // interval (ms)
1676 data
->period
, // resolution
1677 host_alarm_handler
, // function
1678 (DWORD
)t
, // parameter
1681 if (!data
->timerId
) {
1682 perror("Failed to initialize win32 alarm timer");
1684 timeEndPeriod(data
->period
);
1685 CloseHandle(data
->host_alarm
);
1689 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1694 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1696 struct qemu_alarm_win32
*data
= t
->priv
;
1698 timeKillEvent(data
->timerId
);
1699 timeEndPeriod(data
->period
);
1701 CloseHandle(data
->host_alarm
);
1704 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1706 struct qemu_alarm_win32
*data
= t
->priv
;
1707 uint64_t nearest_delta_us
;
1709 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1710 !active_timers
[QEMU_TIMER_VIRTUAL
])
1713 nearest_delta_us
= qemu_next_deadline_dyntick();
1714 nearest_delta_us
/= 1000;
1716 timeKillEvent(data
->timerId
);
1718 data
->timerId
= timeSetEvent(1,
1722 TIME_ONESHOT
| TIME_PERIODIC
);
1724 if (!data
->timerId
) {
1725 perror("Failed to re-arm win32 alarm timer");
1727 timeEndPeriod(data
->period
);
1728 CloseHandle(data
->host_alarm
);
1735 static int init_timer_alarm(void)
1737 struct qemu_alarm_timer
*t
= NULL
;
1747 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1751 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1755 alarm_timer_rfd
= fds
[0];
1756 alarm_timer_wfd
= fds
[1];
1759 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1760 t
= &alarm_timers
[i
];
1773 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1774 try_to_rearm_timer
, NULL
, t
);
1789 static void quit_timers(void)
1791 alarm_timer
->stop(alarm_timer
);
1795 /***********************************************************/
1796 /* host time/date access */
1797 void qemu_get_timedate(struct tm
*tm
, int offset
)
1804 if (rtc_date_offset
== -1) {
1808 ret
= localtime(&ti
);
1810 ti
-= rtc_date_offset
;
1814 memcpy(tm
, ret
, sizeof(struct tm
));
1817 int qemu_timedate_diff(struct tm
*tm
)
1821 if (rtc_date_offset
== -1)
1823 seconds
= mktimegm(tm
);
1825 seconds
= mktime(tm
);
1827 seconds
= mktimegm(tm
) + rtc_date_offset
;
1829 return seconds
- time(NULL
);
1833 static void socket_cleanup(void)
1838 static int socket_init(void)
1843 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1845 err
= WSAGetLastError();
1846 fprintf(stderr
, "WSAStartup: %d\n", err
);
1849 atexit(socket_cleanup
);
1854 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1859 while (*p
!= '\0' && *p
!= '=') {
1860 if (q
&& (q
- buf
) < buf_size
- 1)
1870 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1875 while (*p
!= '\0') {
1877 if (*(p
+ 1) != ',')
1881 if (q
&& (q
- buf
) < buf_size
- 1)
1891 int get_param_value(char *buf
, int buf_size
,
1892 const char *tag
, const char *str
)
1899 p
= get_opt_name(option
, sizeof(option
), p
);
1903 if (!strcmp(tag
, option
)) {
1904 (void)get_opt_value(buf
, buf_size
, p
);
1907 p
= get_opt_value(NULL
, 0, p
);
1916 int check_params(char *buf
, int buf_size
,
1917 const char * const *params
, const char *str
)
1924 p
= get_opt_name(buf
, buf_size
, p
);
1928 for(i
= 0; params
[i
] != NULL
; i
++)
1929 if (!strcmp(params
[i
], buf
))
1931 if (params
[i
] == NULL
)
1933 p
= get_opt_value(NULL
, 0, p
);
1941 /***********************************************************/
1942 /* Bluetooth support */
1945 static struct HCIInfo
*hci_table
[MAX_NICS
];
1947 static struct bt_vlan_s
{
1948 struct bt_scatternet_s net
;
1950 struct bt_vlan_s
*next
;
1953 /* find or alloc a new bluetooth "VLAN" */
1954 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1956 struct bt_vlan_s
**pvlan
, *vlan
;
1957 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1961 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1963 pvlan
= &first_bt_vlan
;
1964 while (*pvlan
!= NULL
)
1965 pvlan
= &(*pvlan
)->next
;
1970 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1974 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1979 static struct HCIInfo null_hci
= {
1980 .cmd_send
= null_hci_send
,
1981 .sco_send
= null_hci_send
,
1982 .acl_send
= null_hci_send
,
1983 .bdaddr_set
= null_hci_addr_set
,
1986 struct HCIInfo
*qemu_next_hci(void)
1988 if (cur_hci
== nb_hcis
)
1991 return hci_table
[cur_hci
++];
1994 static struct HCIInfo
*hci_init(const char *str
)
1997 struct bt_scatternet_s
*vlan
= 0;
1999 if (!strcmp(str
, "null"))
2002 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
2004 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
2005 else if (!strncmp(str
, "hci", 3)) {
2008 if (!strncmp(str
+ 3, ",vlan=", 6)) {
2009 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
2014 vlan
= qemu_find_bt_vlan(0);
2016 return bt_new_hci(vlan
);
2019 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
2024 static int bt_hci_parse(const char *str
)
2026 struct HCIInfo
*hci
;
2029 if (nb_hcis
>= MAX_NICS
) {
2030 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2034 hci
= hci_init(str
);
2043 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2044 hci
->bdaddr_set(hci
, bdaddr
.b
);
2046 hci_table
[nb_hcis
++] = hci
;
2051 static void bt_vhci_add(int vlan_id
)
2053 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2056 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2057 "an empty scatternet %i\n", vlan_id
);
2059 bt_vhci_init(bt_new_hci(vlan
));
2062 static struct bt_device_s
*bt_device_add(const char *opt
)
2064 struct bt_scatternet_s
*vlan
;
2066 char *endp
= strstr(opt
, ",vlan=");
2067 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2070 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2073 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2075 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2080 vlan
= qemu_find_bt_vlan(vlan_id
);
2083 fprintf(stderr
, "qemu: warning: adding a slave device to "
2084 "an empty scatternet %i\n", vlan_id
);
2086 if (!strcmp(devname
, "keyboard"))
2087 return bt_keyboard_init(vlan
);
2089 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2093 static int bt_parse(const char *opt
)
2095 const char *endp
, *p
;
2098 if (strstart(opt
, "hci", &endp
)) {
2099 if (!*endp
|| *endp
== ',') {
2101 if (!strstart(endp
, ",vlan=", 0))
2104 return bt_hci_parse(opt
);
2106 } else if (strstart(opt
, "vhci", &endp
)) {
2107 if (!*endp
|| *endp
== ',') {
2109 if (strstart(endp
, ",vlan=", &p
)) {
2110 vlan
= strtol(p
, (char **) &endp
, 0);
2112 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2116 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2125 } else if (strstart(opt
, "device:", &endp
))
2126 return !bt_device_add(endp
);
2128 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2132 /***********************************************************/
2133 /* QEMU Block devices */
2135 #define HD_ALIAS "index=%d,media=disk"
2137 #define CDROM_ALIAS "index=1,media=cdrom"
2139 #define CDROM_ALIAS "index=2,media=cdrom"
2141 #define FD_ALIAS "index=%d,if=floppy"
2142 #define PFLASH_ALIAS "if=pflash"
2143 #define MTD_ALIAS "if=mtd"
2144 #define SD_ALIAS "index=0,if=sd"
2146 static int drive_add(const char *file
, const char *fmt
, ...)
2150 if (nb_drives_opt
>= MAX_DRIVES
) {
2151 fprintf(stderr
, "qemu: too many drives\n");
2155 drives_opt
[nb_drives_opt
].file
= file
;
2157 vsnprintf(drives_opt
[nb_drives_opt
].opt
,
2158 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2161 return nb_drives_opt
++;
2164 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2168 /* seek interface, bus and unit */
2170 for (index
= 0; index
< nb_drives
; index
++)
2171 if (drives_table
[index
].type
== type
&&
2172 drives_table
[index
].bus
== bus
&&
2173 drives_table
[index
].unit
== unit
)
2179 int drive_get_max_bus(BlockInterfaceType type
)
2185 for (index
= 0; index
< nb_drives
; index
++) {
2186 if(drives_table
[index
].type
== type
&&
2187 drives_table
[index
].bus
> max_bus
)
2188 max_bus
= drives_table
[index
].bus
;
2193 const char *drive_get_serial(BlockDriverState
*bdrv
)
2197 for (index
= 0; index
< nb_drives
; index
++)
2198 if (drives_table
[index
].bdrv
== bdrv
)
2199 return drives_table
[index
].serial
;
2204 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2208 for (index
= 0; index
< nb_drives
; index
++)
2209 if (drives_table
[index
].bdrv
== bdrv
)
2210 return drives_table
[index
].onerror
;
2212 return BLOCK_ERR_REPORT
;
2215 static void bdrv_format_print(void *opaque
, const char *name
)
2217 fprintf(stderr
, " %s", name
);
2220 static int drive_init(struct drive_opt
*arg
, int snapshot
,
2221 QEMUMachine
*machine
)
2227 const char *mediastr
= "";
2228 BlockInterfaceType type
;
2229 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2230 int bus_id
, unit_id
;
2231 int cyls
, heads
, secs
, translation
;
2232 BlockDriverState
*bdrv
;
2233 BlockDriver
*drv
= NULL
;
2237 int bdrv_flags
, onerror
;
2238 char *str
= arg
->opt
;
2239 static const char * const params
[] = { "bus", "unit", "if", "index",
2240 "cyls", "heads", "secs", "trans",
2241 "media", "snapshot", "file",
2242 "cache", "format", "serial", "werror",
2245 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2246 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2252 cyls
= heads
= secs
= 0;
2255 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2259 if (machine
->use_scsi
) {
2261 max_devs
= MAX_SCSI_DEVS
;
2262 pstrcpy(devname
, sizeof(devname
), "scsi");
2265 max_devs
= MAX_IDE_DEVS
;
2266 pstrcpy(devname
, sizeof(devname
), "ide");
2270 /* extract parameters */
2272 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2273 bus_id
= strtol(buf
, NULL
, 0);
2275 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2280 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2281 unit_id
= strtol(buf
, NULL
, 0);
2283 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2288 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2289 pstrcpy(devname
, sizeof(devname
), buf
);
2290 if (!strcmp(buf
, "ide")) {
2292 max_devs
= MAX_IDE_DEVS
;
2293 } else if (!strcmp(buf
, "scsi")) {
2295 max_devs
= MAX_SCSI_DEVS
;
2296 } else if (!strcmp(buf
, "floppy")) {
2299 } else if (!strcmp(buf
, "pflash")) {
2302 } else if (!strcmp(buf
, "mtd")) {
2305 } else if (!strcmp(buf
, "sd")) {
2308 } else if (!strcmp(buf
, "virtio")) {
2312 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2317 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2318 index
= strtol(buf
, NULL
, 0);
2320 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2325 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2326 cyls
= strtol(buf
, NULL
, 0);
2329 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2330 heads
= strtol(buf
, NULL
, 0);
2333 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2334 secs
= strtol(buf
, NULL
, 0);
2337 if (cyls
|| heads
|| secs
) {
2338 if (cyls
< 1 || cyls
> 16383) {
2339 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2342 if (heads
< 1 || heads
> 16) {
2343 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2346 if (secs
< 1 || secs
> 63) {
2347 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2352 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2355 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2359 if (!strcmp(buf
, "none"))
2360 translation
= BIOS_ATA_TRANSLATION_NONE
;
2361 else if (!strcmp(buf
, "lba"))
2362 translation
= BIOS_ATA_TRANSLATION_LBA
;
2363 else if (!strcmp(buf
, "auto"))
2364 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2366 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2371 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2372 if (!strcmp(buf
, "disk")) {
2374 } else if (!strcmp(buf
, "cdrom")) {
2375 if (cyls
|| secs
|| heads
) {
2377 "qemu: '%s' invalid physical CHS format\n", str
);
2380 media
= MEDIA_CDROM
;
2382 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2387 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2388 if (!strcmp(buf
, "on"))
2390 else if (!strcmp(buf
, "off"))
2393 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2398 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2399 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2401 else if (!strcmp(buf
, "writethrough"))
2403 else if (!strcmp(buf
, "writeback"))
2406 fprintf(stderr
, "qemu: invalid cache option\n");
2411 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2412 if (strcmp(buf
, "?") == 0) {
2413 fprintf(stderr
, "qemu: Supported formats:");
2414 bdrv_iterate_format(bdrv_format_print
, NULL
);
2415 fprintf(stderr
, "\n");
2418 drv
= bdrv_find_format(buf
);
2420 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2425 if (arg
->file
== NULL
)
2426 get_param_value(file
, sizeof(file
), "file", str
);
2428 pstrcpy(file
, sizeof(file
), arg
->file
);
2430 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2431 memset(serial
, 0, sizeof(serial
));
2433 onerror
= BLOCK_ERR_REPORT
;
2434 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2435 if (type
!= IF_IDE
) {
2436 fprintf(stderr
, "werror is supported only by IDE\n");
2439 if (!strcmp(buf
, "ignore"))
2440 onerror
= BLOCK_ERR_IGNORE
;
2441 else if (!strcmp(buf
, "enospc"))
2442 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2443 else if (!strcmp(buf
, "stop"))
2444 onerror
= BLOCK_ERR_STOP_ANY
;
2445 else if (!strcmp(buf
, "report"))
2446 onerror
= BLOCK_ERR_REPORT
;
2448 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2453 /* compute bus and unit according index */
2456 if (bus_id
!= 0 || unit_id
!= -1) {
2458 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2466 unit_id
= index
% max_devs
;
2467 bus_id
= index
/ max_devs
;
2471 /* if user doesn't specify a unit_id,
2472 * try to find the first free
2475 if (unit_id
== -1) {
2477 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2479 if (max_devs
&& unit_id
>= max_devs
) {
2480 unit_id
-= max_devs
;
2488 if (max_devs
&& unit_id
>= max_devs
) {
2489 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2490 str
, unit_id
, max_devs
- 1);
2495 * ignore multiple definitions
2498 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2503 if (type
== IF_IDE
|| type
== IF_SCSI
)
2504 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2506 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2507 devname
, bus_id
, mediastr
, unit_id
);
2509 snprintf(buf
, sizeof(buf
), "%s%s%i",
2510 devname
, mediastr
, unit_id
);
2511 bdrv
= bdrv_new(buf
);
2512 drives_table
[nb_drives
].bdrv
= bdrv
;
2513 drives_table
[nb_drives
].type
= type
;
2514 drives_table
[nb_drives
].bus
= bus_id
;
2515 drives_table
[nb_drives
].unit
= unit_id
;
2516 drives_table
[nb_drives
].onerror
= onerror
;
2517 strncpy(drives_table
[nb_drives
].serial
, serial
, sizeof(serial
));
2526 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2527 bdrv_set_translation_hint(bdrv
, translation
);
2531 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2536 /* FIXME: This isn't really a floppy, but it's a reasonable
2539 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2550 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2551 cache
= 2; /* always use write-back with snapshot */
2553 if (cache
== 0) /* no caching */
2554 bdrv_flags
|= BDRV_O_NOCACHE
;
2555 else if (cache
== 2) /* write-back */
2556 bdrv_flags
|= BDRV_O_CACHE_WB
;
2557 else if (cache
== 3) /* not specified */
2558 bdrv_flags
|= BDRV_O_CACHE_DEF
;
2559 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0 || qemu_key_check(bdrv
, file
)) {
2560 fprintf(stderr
, "qemu: could not open disk image %s\n",
2567 /***********************************************************/
2570 static USBPort
*used_usb_ports
;
2571 static USBPort
*free_usb_ports
;
2573 /* ??? Maybe change this to register a hub to keep track of the topology. */
2574 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2575 usb_attachfn attach
)
2577 port
->opaque
= opaque
;
2578 port
->index
= index
;
2579 port
->attach
= attach
;
2580 port
->next
= free_usb_ports
;
2581 free_usb_ports
= port
;
2584 int usb_device_add_dev(USBDevice
*dev
)
2588 /* Find a USB port to add the device to. */
2589 port
= free_usb_ports
;
2593 /* Create a new hub and chain it on. */
2594 free_usb_ports
= NULL
;
2595 port
->next
= used_usb_ports
;
2596 used_usb_ports
= port
;
2598 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2599 usb_attach(port
, hub
);
2600 port
= free_usb_ports
;
2603 free_usb_ports
= port
->next
;
2604 port
->next
= used_usb_ports
;
2605 used_usb_ports
= port
;
2606 usb_attach(port
, dev
);
2610 static int usb_device_add(const char *devname
)
2615 if (!free_usb_ports
)
2618 if (strstart(devname
, "host:", &p
)) {
2619 dev
= usb_host_device_open(p
);
2620 } else if (!strcmp(devname
, "mouse")) {
2621 dev
= usb_mouse_init();
2622 } else if (!strcmp(devname
, "tablet")) {
2623 dev
= usb_tablet_init();
2624 } else if (!strcmp(devname
, "keyboard")) {
2625 dev
= usb_keyboard_init();
2626 } else if (strstart(devname
, "disk:", &p
)) {
2627 dev
= usb_msd_init(p
);
2628 } else if (!strcmp(devname
, "wacom-tablet")) {
2629 dev
= usb_wacom_init();
2630 } else if (strstart(devname
, "serial:", &p
)) {
2631 dev
= usb_serial_init(p
);
2632 #ifdef CONFIG_BRLAPI
2633 } else if (!strcmp(devname
, "braille")) {
2634 dev
= usb_baum_init();
2636 } else if (strstart(devname
, "net:", &p
)) {
2639 if (net_client_init("nic", p
) < 0)
2641 nd_table
[nic
].model
= "usb";
2642 dev
= usb_net_init(&nd_table
[nic
]);
2643 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2644 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2645 bt_new_hci(qemu_find_bt_vlan(0)));
2652 return usb_device_add_dev(dev
);
2655 int usb_device_del_addr(int bus_num
, int addr
)
2661 if (!used_usb_ports
)
2667 lastp
= &used_usb_ports
;
2668 port
= used_usb_ports
;
2669 while (port
&& port
->dev
->addr
!= addr
) {
2670 lastp
= &port
->next
;
2678 *lastp
= port
->next
;
2679 usb_attach(port
, NULL
);
2680 dev
->handle_destroy(dev
);
2681 port
->next
= free_usb_ports
;
2682 free_usb_ports
= port
;
2686 static int usb_device_del(const char *devname
)
2691 if (strstart(devname
, "host:", &p
))
2692 return usb_host_device_close(p
);
2694 if (!used_usb_ports
)
2697 p
= strchr(devname
, '.');
2700 bus_num
= strtoul(devname
, NULL
, 0);
2701 addr
= strtoul(p
+ 1, NULL
, 0);
2703 return usb_device_del_addr(bus_num
, addr
);
2706 void do_usb_add(const char *devname
)
2708 usb_device_add(devname
);
2711 void do_usb_del(const char *devname
)
2713 usb_device_del(devname
);
2720 const char *speed_str
;
2723 term_printf("USB support not enabled\n");
2727 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2731 switch(dev
->speed
) {
2735 case USB_SPEED_FULL
:
2738 case USB_SPEED_HIGH
:
2745 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2746 0, dev
->addr
, speed_str
, dev
->devname
);
2750 /***********************************************************/
2751 /* PCMCIA/Cardbus */
2753 static struct pcmcia_socket_entry_s
{
2754 struct pcmcia_socket_s
*socket
;
2755 struct pcmcia_socket_entry_s
*next
;
2756 } *pcmcia_sockets
= 0;
2758 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2760 struct pcmcia_socket_entry_s
*entry
;
2762 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2763 entry
->socket
= socket
;
2764 entry
->next
= pcmcia_sockets
;
2765 pcmcia_sockets
= entry
;
2768 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2770 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2772 ptr
= &pcmcia_sockets
;
2773 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2774 if (entry
->socket
== socket
) {
2780 void pcmcia_info(void)
2782 struct pcmcia_socket_entry_s
*iter
;
2783 if (!pcmcia_sockets
)
2784 term_printf("No PCMCIA sockets\n");
2786 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2787 term_printf("%s: %s\n", iter
->socket
->slot_string
,
2788 iter
->socket
->attached
? iter
->socket
->card_string
:
2792 /***********************************************************/
2793 /* register display */
2795 void register_displaystate(DisplayState
*ds
)
2805 DisplayState
*get_displaystate(void)
2807 return display_state
;
2812 static void dumb_display_init(void)
2814 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2816 fprintf(stderr
, "dumb_display_init: DisplayState allocation failed\n");
2819 ds
->surface
= qemu_create_displaysurface(640, 480, 32, 640 * 4);
2820 register_displaystate(ds
);
2823 /***********************************************************/
2826 #define MAX_IO_HANDLERS 64
2828 typedef struct IOHandlerRecord
{
2830 IOCanRWHandler
*fd_read_poll
;
2832 IOHandler
*fd_write
;
2835 /* temporary data */
2837 struct IOHandlerRecord
*next
;
2840 static IOHandlerRecord
*first_io_handler
;
2842 /* XXX: fd_read_poll should be suppressed, but an API change is
2843 necessary in the character devices to suppress fd_can_read(). */
2844 int qemu_set_fd_handler2(int fd
,
2845 IOCanRWHandler
*fd_read_poll
,
2847 IOHandler
*fd_write
,
2850 IOHandlerRecord
**pioh
, *ioh
;
2852 if (!fd_read
&& !fd_write
) {
2853 pioh
= &first_io_handler
;
2858 if (ioh
->fd
== fd
) {
2865 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2869 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2872 ioh
->next
= first_io_handler
;
2873 first_io_handler
= ioh
;
2876 ioh
->fd_read_poll
= fd_read_poll
;
2877 ioh
->fd_read
= fd_read
;
2878 ioh
->fd_write
= fd_write
;
2879 ioh
->opaque
= opaque
;
2885 int qemu_set_fd_handler(int fd
,
2887 IOHandler
*fd_write
,
2890 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2894 /***********************************************************/
2895 /* Polling handling */
2897 typedef struct PollingEntry
{
2900 struct PollingEntry
*next
;
2903 static PollingEntry
*first_polling_entry
;
2905 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2907 PollingEntry
**ppe
, *pe
;
2908 pe
= qemu_mallocz(sizeof(PollingEntry
));
2912 pe
->opaque
= opaque
;
2913 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
2918 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
2920 PollingEntry
**ppe
, *pe
;
2921 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
2923 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
2931 /***********************************************************/
2932 /* Wait objects support */
2933 typedef struct WaitObjects
{
2935 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
2936 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
2937 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
2940 static WaitObjects wait_objects
= {0};
2942 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2944 WaitObjects
*w
= &wait_objects
;
2946 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
2948 w
->events
[w
->num
] = handle
;
2949 w
->func
[w
->num
] = func
;
2950 w
->opaque
[w
->num
] = opaque
;
2955 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
2958 WaitObjects
*w
= &wait_objects
;
2961 for (i
= 0; i
< w
->num
; i
++) {
2962 if (w
->events
[i
] == handle
)
2965 w
->events
[i
] = w
->events
[i
+ 1];
2966 w
->func
[i
] = w
->func
[i
+ 1];
2967 w
->opaque
[i
] = w
->opaque
[i
+ 1];
2975 /***********************************************************/
2976 /* ram save/restore */
2978 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
2982 v
= qemu_get_byte(f
);
2985 if (qemu_get_buffer(f
, buf
, len
) != len
)
2989 v
= qemu_get_byte(f
);
2990 memset(buf
, v
, len
);
2996 if (qemu_file_has_error(f
))
3002 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3007 if (qemu_get_be32(f
) != phys_ram_size
)
3009 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
3010 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
3017 #define BDRV_HASH_BLOCK_SIZE 1024
3018 #define IOBUF_SIZE 4096
3019 #define RAM_CBLOCK_MAGIC 0xfabe
3021 typedef struct RamDecompressState
{
3024 uint8_t buf
[IOBUF_SIZE
];
3025 } RamDecompressState
;
3027 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3030 memset(s
, 0, sizeof(*s
));
3032 ret
= inflateInit(&s
->zstream
);
3038 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3042 s
->zstream
.avail_out
= len
;
3043 s
->zstream
.next_out
= buf
;
3044 while (s
->zstream
.avail_out
> 0) {
3045 if (s
->zstream
.avail_in
== 0) {
3046 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3048 clen
= qemu_get_be16(s
->f
);
3049 if (clen
> IOBUF_SIZE
)
3051 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3052 s
->zstream
.avail_in
= clen
;
3053 s
->zstream
.next_in
= s
->buf
;
3055 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3056 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3063 static void ram_decompress_close(RamDecompressState
*s
)
3065 inflateEnd(&s
->zstream
);
3068 #define RAM_SAVE_FLAG_FULL 0x01
3069 #define RAM_SAVE_FLAG_COMPRESS 0x02
3070 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3071 #define RAM_SAVE_FLAG_PAGE 0x08
3072 #define RAM_SAVE_FLAG_EOS 0x10
3074 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3076 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3077 uint32_t *array
= (uint32_t *)page
;
3080 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3081 if (array
[i
] != val
)
3088 static int ram_save_block(QEMUFile
*f
)
3090 static ram_addr_t current_addr
= 0;
3091 ram_addr_t saved_addr
= current_addr
;
3092 ram_addr_t addr
= 0;
3095 while (addr
< phys_ram_size
) {
3096 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3099 cpu_physical_memory_reset_dirty(current_addr
,
3100 current_addr
+ TARGET_PAGE_SIZE
,
3101 MIGRATION_DIRTY_FLAG
);
3103 ch
= *(phys_ram_base
+ current_addr
);
3105 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
3106 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3107 qemu_put_byte(f
, ch
);
3109 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3110 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
3116 addr
+= TARGET_PAGE_SIZE
;
3117 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
3123 static ram_addr_t ram_save_threshold
= 10;
3125 static ram_addr_t
ram_save_remaining(void)
3128 ram_addr_t count
= 0;
3130 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3131 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3138 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3143 /* Make sure all dirty bits are set */
3144 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3145 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3146 cpu_physical_memory_set_dirty(addr
);
3149 /* Enable dirty memory tracking */
3150 cpu_physical_memory_set_dirty_tracking(1);
3152 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
3155 while (!qemu_file_rate_limit(f
)) {
3158 ret
= ram_save_block(f
);
3159 if (ret
== 0) /* no more blocks */
3163 /* try transferring iterative blocks of memory */
3166 cpu_physical_memory_set_dirty_tracking(0);
3168 /* flush all remaining blocks regardless of rate limiting */
3169 while (ram_save_block(f
) != 0);
3172 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3174 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
3177 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3179 RamDecompressState s1
, *s
= &s1
;
3183 if (ram_decompress_open(s
, f
) < 0)
3185 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3186 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3187 fprintf(stderr
, "Error while reading ram block header\n");
3191 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
3192 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3197 printf("Error block header\n");
3201 ram_decompress_close(s
);
3206 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3211 if (version_id
== 1)
3212 return ram_load_v1(f
, opaque
);
3214 if (version_id
== 2) {
3215 if (qemu_get_be32(f
) != phys_ram_size
)
3217 return ram_load_dead(f
, opaque
);
3220 if (version_id
!= 3)
3224 addr
= qemu_get_be64(f
);
3226 flags
= addr
& ~TARGET_PAGE_MASK
;
3227 addr
&= TARGET_PAGE_MASK
;
3229 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3230 if (addr
!= phys_ram_size
)
3234 if (flags
& RAM_SAVE_FLAG_FULL
) {
3235 if (ram_load_dead(f
, opaque
) < 0)
3239 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3240 uint8_t ch
= qemu_get_byte(f
);
3241 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
3242 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3243 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
3244 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3249 void qemu_service_io(void)
3251 CPUState
*env
= cpu_single_env
;
3253 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
3255 if (env
->kqemu_enabled
) {
3256 kqemu_cpu_interrupt(env
);
3262 /***********************************************************/
3263 /* bottom halves (can be seen as timers which expire ASAP) */
3274 static QEMUBH
*first_bh
= NULL
;
3276 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3279 bh
= qemu_mallocz(sizeof(QEMUBH
));
3283 bh
->opaque
= opaque
;
3284 bh
->next
= first_bh
;
3289 int qemu_bh_poll(void)
3295 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3296 if (!bh
->deleted
&& bh
->scheduled
) {
3305 /* remove deleted bhs */
3319 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3327 void qemu_bh_schedule(QEMUBH
*bh
)
3329 CPUState
*env
= cpu_single_env
;
3334 /* stop the currently executing CPU to execute the BH ASAP */
3336 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
3340 void qemu_bh_cancel(QEMUBH
*bh
)
3345 void qemu_bh_delete(QEMUBH
*bh
)
3351 static void qemu_bh_update_timeout(int *timeout
)
3355 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3356 if (!bh
->deleted
&& bh
->scheduled
) {
3358 /* idle bottom halves will be polled at least
3360 *timeout
= MIN(10, *timeout
);
3362 /* non-idle bottom halves will be executed
3371 /***********************************************************/
3372 /* machine registration */
3374 static QEMUMachine
*first_machine
= NULL
;
3376 int qemu_register_machine(QEMUMachine
*m
)
3379 pm
= &first_machine
;
3387 static QEMUMachine
*find_machine(const char *name
)
3391 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3392 if (!strcmp(m
->name
, name
))
3398 /***********************************************************/
3399 /* main execution loop */
3401 static void gui_update(void *opaque
)
3403 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3404 DisplayState
*ds
= opaque
;
3405 DisplayChangeListener
*dcl
= ds
->listeners
;
3409 while (dcl
!= NULL
) {
3410 if (dcl
->gui_timer_interval
&&
3411 dcl
->gui_timer_interval
< interval
)
3412 interval
= dcl
->gui_timer_interval
;
3415 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3418 static void nographic_update(void *opaque
)
3420 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3422 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3425 struct vm_change_state_entry
{
3426 VMChangeStateHandler
*cb
;
3428 LIST_ENTRY (vm_change_state_entry
) entries
;
3431 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3433 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3436 VMChangeStateEntry
*e
;
3438 e
= qemu_mallocz(sizeof (*e
));
3444 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3448 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3450 LIST_REMOVE (e
, entries
);
3454 static void vm_state_notify(int running
)
3456 VMChangeStateEntry
*e
;
3458 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3459 e
->cb(e
->opaque
, running
);
3463 /* XXX: support several handlers */
3464 static VMStopHandler
*vm_stop_cb
;
3465 static void *vm_stop_opaque
;
3467 int qemu_add_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
3470 vm_stop_opaque
= opaque
;
3474 void qemu_del_vm_stop_handler(VMStopHandler
*cb
, void *opaque
)
3485 qemu_rearm_alarm_timer(alarm_timer
);
3489 void vm_stop(int reason
)
3492 cpu_disable_ticks();
3496 vm_stop_cb(vm_stop_opaque
, reason
);
3503 /* reset/shutdown handler */
3505 typedef struct QEMUResetEntry
{
3506 QEMUResetHandler
*func
;
3508 struct QEMUResetEntry
*next
;
3511 static QEMUResetEntry
*first_reset_entry
;
3512 static int reset_requested
;
3513 static int shutdown_requested
;
3514 static int powerdown_requested
;
3516 int qemu_shutdown_requested(void)
3518 int r
= shutdown_requested
;
3519 shutdown_requested
= 0;
3523 int qemu_reset_requested(void)
3525 int r
= reset_requested
;
3526 reset_requested
= 0;
3530 int qemu_powerdown_requested(void)
3532 int r
= powerdown_requested
;
3533 powerdown_requested
= 0;
3537 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3539 QEMUResetEntry
**pre
, *re
;
3541 pre
= &first_reset_entry
;
3542 while (*pre
!= NULL
)
3543 pre
= &(*pre
)->next
;
3544 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3546 re
->opaque
= opaque
;
3551 void qemu_system_reset(void)
3555 /* reset all devices */
3556 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3557 re
->func(re
->opaque
);
3561 void qemu_system_reset_request(void)
3564 shutdown_requested
= 1;
3566 reset_requested
= 1;
3569 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3572 void qemu_system_shutdown_request(void)
3574 shutdown_requested
= 1;
3576 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3579 void qemu_system_powerdown_request(void)
3581 powerdown_requested
= 1;
3583 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3587 static void host_main_loop_wait(int *timeout
)
3593 /* XXX: need to suppress polling by better using win32 events */
3595 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
3596 ret
|= pe
->func(pe
->opaque
);
3600 WaitObjects
*w
= &wait_objects
;
3602 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
3603 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
3604 if (w
->func
[ret
- WAIT_OBJECT_0
])
3605 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
3607 /* Check for additional signaled events */
3608 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
3610 /* Check if event is signaled */
3611 ret2
= WaitForSingleObject(w
->events
[i
], 0);
3612 if(ret2
== WAIT_OBJECT_0
) {
3614 w
->func
[i
](w
->opaque
[i
]);
3615 } else if (ret2
== WAIT_TIMEOUT
) {
3617 err
= GetLastError();
3618 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
3621 } else if (ret
== WAIT_TIMEOUT
) {
3623 err
= GetLastError();
3624 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
3631 static void host_main_loop_wait(int *timeout
)
3636 void main_loop_wait(int timeout
)
3638 IOHandlerRecord
*ioh
;
3639 fd_set rfds
, wfds
, xfds
;
3643 qemu_bh_update_timeout(&timeout
);
3645 host_main_loop_wait(&timeout
);
3647 /* poll any events */
3648 /* XXX: separate device handlers from system ones */
3653 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3657 (!ioh
->fd_read_poll
||
3658 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
3659 FD_SET(ioh
->fd
, &rfds
);
3663 if (ioh
->fd_write
) {
3664 FD_SET(ioh
->fd
, &wfds
);
3670 tv
.tv_sec
= timeout
/ 1000;
3671 tv
.tv_usec
= (timeout
% 1000) * 1000;
3673 #if defined(CONFIG_SLIRP)
3674 if (slirp_is_inited()) {
3675 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
3678 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
3680 IOHandlerRecord
**pioh
;
3682 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3683 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
3684 ioh
->fd_read(ioh
->opaque
);
3686 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
3687 ioh
->fd_write(ioh
->opaque
);
3691 /* remove deleted IO handlers */
3692 pioh
= &first_io_handler
;
3702 #if defined(CONFIG_SLIRP)
3703 if (slirp_is_inited()) {
3709 slirp_select_poll(&rfds
, &wfds
, &xfds
);
3713 /* vm time timers */
3714 if (vm_running
&& likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
3715 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
3716 qemu_get_clock(vm_clock
));
3718 /* real time timers */
3719 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
3720 qemu_get_clock(rt_clock
));
3722 /* Check bottom-halves last in case any of the earlier events triggered
3728 static int main_loop(void)
3731 #ifdef CONFIG_PROFILER
3736 cur_cpu
= first_cpu
;
3737 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
3744 #ifdef CONFIG_PROFILER
3745 ti
= profile_getclock();
3750 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
3751 env
->icount_decr
.u16
.low
= 0;
3752 env
->icount_extra
= 0;
3753 count
= qemu_next_deadline();
3754 count
= (count
+ (1 << icount_time_shift
) - 1)
3755 >> icount_time_shift
;
3756 qemu_icount
+= count
;
3757 decr
= (count
> 0xffff) ? 0xffff : count
;
3759 env
->icount_decr
.u16
.low
= decr
;
3760 env
->icount_extra
= count
;
3762 ret
= cpu_exec(env
);
3763 #ifdef CONFIG_PROFILER
3764 qemu_time
+= profile_getclock() - ti
;
3767 /* Fold pending instructions back into the
3768 instruction counter, and clear the interrupt flag. */
3769 qemu_icount
-= (env
->icount_decr
.u16
.low
3770 + env
->icount_extra
);
3771 env
->icount_decr
.u32
= 0;
3772 env
->icount_extra
= 0;
3774 next_cpu
= env
->next_cpu
?: first_cpu
;
3775 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
3776 ret
= EXCP_INTERRUPT
;
3780 if (ret
== EXCP_HLT
) {
3781 /* Give the next CPU a chance to run. */
3785 if (ret
!= EXCP_HALTED
)
3787 /* all CPUs are halted ? */
3793 if (shutdown_requested
) {
3794 ret
= EXCP_INTERRUPT
;
3802 if (reset_requested
) {
3803 reset_requested
= 0;
3804 qemu_system_reset();
3805 ret
= EXCP_INTERRUPT
;
3807 if (powerdown_requested
) {
3808 powerdown_requested
= 0;
3809 qemu_system_powerdown();
3810 ret
= EXCP_INTERRUPT
;
3812 if (unlikely(ret
== EXCP_DEBUG
)) {
3813 gdb_set_stop_cpu(cur_cpu
);
3814 vm_stop(EXCP_DEBUG
);
3816 /* If all cpus are halted then wait until the next IRQ */
3817 /* XXX: use timeout computed from timers */
3818 if (ret
== EXCP_HALTED
) {
3822 /* Advance virtual time to the next event. */
3823 if (use_icount
== 1) {
3824 /* When not using an adaptive execution frequency
3825 we tend to get badly out of sync with real time,
3826 so just delay for a reasonable amount of time. */
3829 delta
= cpu_get_icount() - cpu_get_clock();
3832 /* If virtual time is ahead of real time then just
3834 timeout
= (delta
/ 1000000) + 1;
3836 /* Wait for either IO to occur or the next
3838 add
= qemu_next_deadline();
3839 /* We advance the timer before checking for IO.
3840 Limit the amount we advance so that early IO
3841 activity won't get the guest too far ahead. */
3845 add
= (add
+ (1 << icount_time_shift
) - 1)
3846 >> icount_time_shift
;
3848 timeout
= delta
/ 1000000;
3859 if (shutdown_requested
) {
3860 ret
= EXCP_INTERRUPT
;
3865 #ifdef CONFIG_PROFILER
3866 ti
= profile_getclock();
3868 main_loop_wait(timeout
);
3869 #ifdef CONFIG_PROFILER
3870 dev_time
+= profile_getclock() - ti
;
3873 cpu_disable_ticks();
3877 static void help(int exitcode
)
3879 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n"
3880 "usage: %s [options] [disk_image]\n"
3882 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3884 "Standard options:\n"
3885 "-M machine select emulated machine (-M ? for list)\n"
3886 "-cpu cpu select CPU (-cpu ? for list)\n"
3887 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3888 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3889 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3890 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3891 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
3892 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
3893 " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
3894 " use 'file' as a drive image\n"
3895 "-mtdblock file use 'file' as on-board Flash memory image\n"
3896 "-sd file use 'file' as SecureDigital card image\n"
3897 "-pflash file use 'file' as a parallel flash image\n"
3898 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
3899 "-snapshot write to temporary files instead of disk image files\n"
3901 "-no-frame open SDL window without a frame and window decorations\n"
3902 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
3903 "-no-quit disable SDL window close capability\n"
3907 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
3909 "-m megs set virtual RAM size to megs MB [default=%d]\n"
3910 "-smp n set the number of CPUs to 'n' [default=1]\n"
3911 "-nographic disable graphical output and redirect serial I/Os to console\n"
3912 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
3914 "-k language use keyboard layout (for example \"fr\" for French)\n"
3917 "-audio-help print list of audio drivers and their options\n"
3918 "-soundhw c1,... enable audio support\n"
3919 " and only specified sound cards (comma separated list)\n"
3920 " use -soundhw ? to get the list of supported cards\n"
3921 " use -soundhw all to enable all of them\n"
3923 "-vga [std|cirrus|vmware|none]\n"
3924 " select video card type\n"
3925 "-localtime set the real time clock to local time [default=utc]\n"
3926 "-full-screen start in full screen\n"
3928 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
3929 "-rtc-td-hack use it to fix time drift in Windows ACPI HAL\n"
3931 "-usb enable the USB driver (will be the default soon)\n"
3932 "-usbdevice name add the host or guest USB device 'name'\n"
3933 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3934 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
3936 "-name string set the name of the guest\n"
3937 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
3939 "Network options:\n"
3940 "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
3941 " create a new Network Interface Card and connect it to VLAN 'n'\n"
3943 "-net user[,vlan=n][,name=str][,hostname=host]\n"
3944 " connect the user mode network stack to VLAN 'n' and send\n"
3945 " hostname 'host' to DHCP clients\n"
3948 "-net tap[,vlan=n][,name=str],ifname=name\n"
3949 " connect the host TAP network interface to VLAN 'n'\n"
3951 "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
3952 " connect the host TAP network interface to VLAN 'n' and use the\n"
3953 " network scripts 'file' (default=%s)\n"
3954 " and 'dfile' (default=%s);\n"
3955 " use '[down]script=no' to disable script execution;\n"
3956 " use 'fd=h' to connect to an already opened TAP interface\n"
3958 "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n"
3959 " connect the vlan 'n' to another VLAN using a socket connection\n"
3960 "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n"
3961 " connect the vlan 'n' to multicast maddr and port\n"
3963 "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
3964 " connect the vlan 'n' to port 'n' of a vde switch running\n"
3965 " on host and listening for incoming connections on 'socketpath'.\n"
3966 " Use group 'groupname' and mode 'octalmode' to change default\n"
3967 " ownership and permissions for communication port.\n"
3969 "-net none use it alone to have zero network devices; if no -net option\n"
3970 " is provided, the default is '-net nic -net user'\n"
3972 "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n"
3973 "-bt hci,host[:id]\n"
3974 " Use host's HCI with the given name\n"
3975 "-bt hci[,vlan=n]\n"
3976 " Emulate a standard HCI in virtual scatternet 'n'\n"
3977 "-bt vhci[,vlan=n]\n"
3978 " Add host computer to virtual scatternet 'n' using VHCI\n"
3979 "-bt device:dev[,vlan=n]\n"
3980 " Emulate a bluetooth device 'dev' in scatternet 'n'\n"
3983 "-tftp dir allow tftp access to files in dir [-net user]\n"
3984 "-bootp file advertise file in BOOTP replies\n"
3986 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
3988 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
3989 " redirect TCP or UDP connections from host to guest [-net user]\n"
3992 "Linux boot specific:\n"
3993 "-kernel bzImage use 'bzImage' as kernel image\n"
3994 "-append cmdline use 'cmdline' as kernel command line\n"
3995 "-initrd file use 'file' as initial ram disk\n"
3997 "Debug/Expert options:\n"
3998 "-monitor dev redirect the monitor to char device 'dev'\n"
3999 "-serial dev redirect the serial port to char device 'dev'\n"
4000 "-parallel dev redirect the parallel port to char device 'dev'\n"
4001 "-pidfile file Write PID to 'file'\n"
4002 "-S freeze CPU at startup (use 'c' to start execution)\n"
4003 "-s wait gdb connection to port\n"
4004 "-p port set gdb connection port [default=%s]\n"
4005 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4006 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
4007 " translation (t=none or lba) (usually qemu can guess them)\n"
4008 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4010 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4011 "-no-kqemu disable KQEMU kernel module usage\n"
4014 "-enable-kvm enable KVM full virtualization support\n"
4017 "-no-acpi disable ACPI\n"
4018 "-no-hpet disable HPET\n"
4020 #ifdef CONFIG_CURSES
4021 "-curses use a curses/ncurses interface instead of SDL\n"
4023 "-no-reboot exit instead of rebooting\n"
4024 "-no-shutdown stop before shutdown\n"
4025 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
4026 "-vnc display start a VNC server on display\n"
4028 "-daemonize daemonize QEMU after initializing\n"
4030 "-option-rom rom load a file, rom, into the option ROM space\n"
4032 "-prom-env variable=value set OpenBIOS nvram variables\n"
4034 "-clock force the use of the given methods for timer alarm.\n"
4035 " To see what timers are available use -clock ?\n"
4036 "-startdate select initial date of the clock\n"
4037 "-icount [N|auto]\n"
4038 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
4040 "During emulation, the following keys are useful:\n"
4041 "ctrl-alt-f toggle full screen\n"
4042 "ctrl-alt-n switch to virtual console 'n'\n"
4043 "ctrl-alt toggle mouse and keyboard grab\n"
4045 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4050 DEFAULT_NETWORK_SCRIPT
,
4051 DEFAULT_NETWORK_DOWN_SCRIPT
,
4053 DEFAULT_GDBSTUB_PORT
,
4058 #define HAS_ARG 0x0001
4073 QEMU_OPTION_mtdblock
,
4077 QEMU_OPTION_snapshot
,
4079 QEMU_OPTION_no_fd_bootchk
,
4082 QEMU_OPTION_nographic
,
4083 QEMU_OPTION_portrait
,
4085 QEMU_OPTION_audio_help
,
4086 QEMU_OPTION_soundhw
,
4108 QEMU_OPTION_localtime
,
4112 QEMU_OPTION_monitor
,
4114 QEMU_OPTION_virtiocon
,
4115 QEMU_OPTION_parallel
,
4117 QEMU_OPTION_full_screen
,
4118 QEMU_OPTION_no_frame
,
4119 QEMU_OPTION_alt_grab
,
4120 QEMU_OPTION_no_quit
,
4122 QEMU_OPTION_pidfile
,
4123 QEMU_OPTION_no_kqemu
,
4124 QEMU_OPTION_kernel_kqemu
,
4125 QEMU_OPTION_enable_kvm
,
4126 QEMU_OPTION_win2k_hack
,
4127 QEMU_OPTION_rtc_td_hack
,
4129 QEMU_OPTION_usbdevice
,
4132 QEMU_OPTION_no_acpi
,
4133 QEMU_OPTION_no_hpet
,
4135 QEMU_OPTION_no_reboot
,
4136 QEMU_OPTION_no_shutdown
,
4137 QEMU_OPTION_show_cursor
,
4138 QEMU_OPTION_daemonize
,
4139 QEMU_OPTION_option_rom
,
4140 QEMU_OPTION_semihosting
,
4142 QEMU_OPTION_prom_env
,
4143 QEMU_OPTION_old_param
,
4145 QEMU_OPTION_startdate
,
4146 QEMU_OPTION_tb_size
,
4149 QEMU_OPTION_incoming
,
4152 typedef struct QEMUOption
{
4158 static const QEMUOption qemu_options
[] = {
4159 { "h", 0, QEMU_OPTION_h
},
4160 { "help", 0, QEMU_OPTION_h
},
4162 { "M", HAS_ARG
, QEMU_OPTION_M
},
4163 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
4164 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
4165 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
4166 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
4167 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
4168 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
4169 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
4170 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
4171 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
4172 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
4173 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
4174 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
4175 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
4176 { "snapshot", 0, QEMU_OPTION_snapshot
},
4178 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
4180 { "m", HAS_ARG
, QEMU_OPTION_m
},
4181 { "nographic", 0, QEMU_OPTION_nographic
},
4182 { "portrait", 0, QEMU_OPTION_portrait
},
4183 { "k", HAS_ARG
, QEMU_OPTION_k
},
4185 { "audio-help", 0, QEMU_OPTION_audio_help
},
4186 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
4189 { "net", HAS_ARG
, QEMU_OPTION_net
},
4191 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
4192 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
4194 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
4196 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
4198 { "bt", HAS_ARG
, QEMU_OPTION_bt
},
4200 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
4201 { "append", HAS_ARG
, QEMU_OPTION_append
},
4202 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
4204 { "S", 0, QEMU_OPTION_S
},
4205 { "s", 0, QEMU_OPTION_s
},
4206 { "p", HAS_ARG
, QEMU_OPTION_p
},
4207 { "d", HAS_ARG
, QEMU_OPTION_d
},
4208 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
4209 { "L", HAS_ARG
, QEMU_OPTION_L
},
4210 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
4212 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
4213 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
4216 { "enable-kvm", 0, QEMU_OPTION_enable_kvm
},
4218 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4219 { "g", 1, QEMU_OPTION_g
},
4221 { "localtime", 0, QEMU_OPTION_localtime
},
4222 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
4223 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
4224 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
4225 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
4226 { "virtioconsole", HAS_ARG
, QEMU_OPTION_virtiocon
},
4227 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
4228 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
4229 { "full-screen", 0, QEMU_OPTION_full_screen
},
4231 { "no-frame", 0, QEMU_OPTION_no_frame
},
4232 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
4233 { "no-quit", 0, QEMU_OPTION_no_quit
},
4234 { "sdl", 0, QEMU_OPTION_sdl
},
4236 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
4237 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
4238 { "rtc-td-hack", 0, QEMU_OPTION_rtc_td_hack
},
4239 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
4240 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
4241 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
4242 #ifdef CONFIG_CURSES
4243 { "curses", 0, QEMU_OPTION_curses
},
4245 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
4247 /* temporary options */
4248 { "usb", 0, QEMU_OPTION_usb
},
4249 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
4250 { "no-hpet", 0, QEMU_OPTION_no_hpet
},
4251 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
4252 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
4253 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
4254 { "daemonize", 0, QEMU_OPTION_daemonize
},
4255 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
4256 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4257 { "semihosting", 0, QEMU_OPTION_semihosting
},
4259 { "name", HAS_ARG
, QEMU_OPTION_name
},
4260 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4261 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
4263 #if defined(TARGET_ARM)
4264 { "old-param", 0, QEMU_OPTION_old_param
},
4266 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
4267 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
4268 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
4269 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
4270 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
4274 /* password input */
4276 int qemu_key_check(BlockDriverState
*bs
, const char *name
)
4281 if (!bdrv_is_encrypted(bs
))
4284 term_printf("%s is encrypted.\n", name
);
4285 for(i
= 0; i
< 3; i
++) {
4286 monitor_readline("Password: ", 1, password
, sizeof(password
));
4287 if (bdrv_set_key(bs
, password
) == 0)
4289 term_printf("invalid password\n");
4294 static BlockDriverState
*get_bdrv(int index
)
4296 if (index
> nb_drives
)
4298 return drives_table
[index
].bdrv
;
4301 static void read_passwords(void)
4303 BlockDriverState
*bs
;
4306 for(i
= 0; i
< 6; i
++) {
4309 qemu_key_check(bs
, bdrv_get_device_name(bs
));
4314 struct soundhw soundhw
[] = {
4315 #ifdef HAS_AUDIO_CHOICE
4316 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4322 { .init_isa
= pcspk_audio_init
}
4329 "Creative Sound Blaster 16",
4332 { .init_isa
= SB16_init
}
4336 #ifdef CONFIG_CS4231A
4342 { .init_isa
= cs4231a_init
}
4350 "Yamaha YMF262 (OPL3)",
4352 "Yamaha YM3812 (OPL2)",
4356 { .init_isa
= Adlib_init
}
4363 "Gravis Ultrasound GF1",
4366 { .init_isa
= GUS_init
}
4373 "Intel 82801AA AC97 Audio",
4376 { .init_pci
= ac97_init
}
4380 #ifdef CONFIG_ES1370
4383 "ENSONIQ AudioPCI ES1370",
4386 { .init_pci
= es1370_init
}
4390 #endif /* HAS_AUDIO_CHOICE */
4392 { NULL
, NULL
, 0, 0, { NULL
} }
4395 static void select_soundhw (const char *optarg
)
4399 if (*optarg
== '?') {
4402 printf ("Valid sound card names (comma separated):\n");
4403 for (c
= soundhw
; c
->name
; ++c
) {
4404 printf ("%-11s %s\n", c
->name
, c
->descr
);
4406 printf ("\n-soundhw all will enable all of the above\n");
4407 exit (*optarg
!= '?');
4415 if (!strcmp (optarg
, "all")) {
4416 for (c
= soundhw
; c
->name
; ++c
) {
4424 e
= strchr (p
, ',');
4425 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4427 for (c
= soundhw
; c
->name
; ++c
) {
4428 if (!strncmp (c
->name
, p
, l
)) {
4437 "Unknown sound card name (too big to show)\n");
4440 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4445 p
+= l
+ (e
!= NULL
);
4449 goto show_valid_cards
;
4454 static void select_vgahw (const char *p
)
4458 if (strstart(p
, "std", &opts
)) {
4459 std_vga_enabled
= 1;
4460 cirrus_vga_enabled
= 0;
4462 } else if (strstart(p
, "cirrus", &opts
)) {
4463 cirrus_vga_enabled
= 1;
4464 std_vga_enabled
= 0;
4466 } else if (strstart(p
, "vmware", &opts
)) {
4467 cirrus_vga_enabled
= 0;
4468 std_vga_enabled
= 0;
4470 } else if (strstart(p
, "none", &opts
)) {
4471 cirrus_vga_enabled
= 0;
4472 std_vga_enabled
= 0;
4476 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4480 const char *nextopt
;
4482 if (strstart(opts
, ",retrace=", &nextopt
)) {
4484 if (strstart(opts
, "dumb", &nextopt
))
4485 vga_retrace_method
= VGA_RETRACE_DUMB
;
4486 else if (strstart(opts
, "precise", &nextopt
))
4487 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4488 else goto invalid_vga
;
4489 } else goto invalid_vga
;
4495 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4497 exit(STATUS_CONTROL_C_EXIT
);
4502 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4506 if(strlen(str
) != 36)
4509 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4510 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4511 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4519 #define MAX_NET_CLIENTS 32
4523 static void termsig_handler(int signal
)
4525 qemu_system_shutdown_request();
4528 static void termsig_setup(void)
4530 struct sigaction act
;
4532 memset(&act
, 0, sizeof(act
));
4533 act
.sa_handler
= termsig_handler
;
4534 sigaction(SIGINT
, &act
, NULL
);
4535 sigaction(SIGHUP
, &act
, NULL
);
4536 sigaction(SIGTERM
, &act
, NULL
);
4541 int main(int argc
, char **argv
, char **envp
)
4543 #ifdef CONFIG_GDBSTUB
4545 const char *gdbstub_port
;
4547 uint32_t boot_devices_bitmap
= 0;
4549 int snapshot
, linux_boot
, net_boot
;
4550 const char *initrd_filename
;
4551 const char *kernel_filename
, *kernel_cmdline
;
4552 const char *boot_devices
= "";
4554 DisplayChangeListener
*dcl
;
4555 int cyls
, heads
, secs
, translation
;
4556 const char *net_clients
[MAX_NET_CLIENTS
];
4558 const char *bt_opts
[MAX_BT_CMDLINE
];
4562 const char *r
, *optarg
;
4563 CharDriverState
*monitor_hd
= NULL
;
4564 const char *monitor_device
;
4565 const char *serial_devices
[MAX_SERIAL_PORTS
];
4566 int serial_device_index
;
4567 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4568 int parallel_device_index
;
4569 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
4570 int virtio_console_index
;
4571 const char *loadvm
= NULL
;
4572 QEMUMachine
*machine
;
4573 const char *cpu_model
;
4574 const char *usb_devices
[MAX_USB_CMDLINE
];
4575 int usb_devices_index
;
4578 const char *pid_file
= NULL
;
4580 const char *incoming
= NULL
;
4582 qemu_cache_utils_init(envp
);
4584 LIST_INIT (&vm_change_state_head
);
4587 struct sigaction act
;
4588 sigfillset(&act
.sa_mask
);
4590 act
.sa_handler
= SIG_IGN
;
4591 sigaction(SIGPIPE
, &act
, NULL
);
4594 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
4595 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4596 QEMU to run on a single CPU */
4601 h
= GetCurrentProcess();
4602 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
4603 for(i
= 0; i
< 32; i
++) {
4604 if (mask
& (1 << i
))
4609 SetProcessAffinityMask(h
, mask
);
4615 register_machines();
4616 machine
= first_machine
;
4618 initrd_filename
= NULL
;
4620 vga_ram_size
= VGA_RAM_SIZE
;
4621 #ifdef CONFIG_GDBSTUB
4623 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
4628 kernel_filename
= NULL
;
4629 kernel_cmdline
= "";
4630 cyls
= heads
= secs
= 0;
4631 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4632 monitor_device
= "vc";
4634 serial_devices
[0] = "vc:80Cx24C";
4635 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
4636 serial_devices
[i
] = NULL
;
4637 serial_device_index
= 0;
4639 parallel_devices
[0] = "vc:640x480";
4640 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
4641 parallel_devices
[i
] = NULL
;
4642 parallel_device_index
= 0;
4644 virtio_consoles
[0] = "vc:80Cx24C";
4645 for(i
= 1; i
< MAX_VIRTIO_CONSOLES
; i
++)
4646 virtio_consoles
[i
] = NULL
;
4647 virtio_console_index
= 0;
4649 usb_devices_index
= 0;
4668 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
4670 const QEMUOption
*popt
;
4673 /* Treat --foo the same as -foo. */
4676 popt
= qemu_options
;
4679 fprintf(stderr
, "%s: invalid option -- '%s'\n",
4683 if (!strcmp(popt
->name
, r
+ 1))
4687 if (popt
->flags
& HAS_ARG
) {
4688 if (optind
>= argc
) {
4689 fprintf(stderr
, "%s: option '%s' requires an argument\n",
4693 optarg
= argv
[optind
++];
4698 switch(popt
->index
) {
4700 machine
= find_machine(optarg
);
4703 printf("Supported machines are:\n");
4704 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4705 printf("%-10s %s%s\n",
4707 m
== first_machine
? " (default)" : "");
4709 exit(*optarg
!= '?');
4712 case QEMU_OPTION_cpu
:
4713 /* hw initialization will check this */
4714 if (*optarg
== '?') {
4715 /* XXX: implement xxx_cpu_list for targets that still miss it */
4716 #if defined(cpu_list)
4717 cpu_list(stdout
, &fprintf
);
4724 case QEMU_OPTION_initrd
:
4725 initrd_filename
= optarg
;
4727 case QEMU_OPTION_hda
:
4729 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
4731 hda_index
= drive_add(optarg
, HD_ALIAS
4732 ",cyls=%d,heads=%d,secs=%d%s",
4733 0, cyls
, heads
, secs
,
4734 translation
== BIOS_ATA_TRANSLATION_LBA
?
4736 translation
== BIOS_ATA_TRANSLATION_NONE
?
4737 ",trans=none" : "");
4739 case QEMU_OPTION_hdb
:
4740 case QEMU_OPTION_hdc
:
4741 case QEMU_OPTION_hdd
:
4742 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
4744 case QEMU_OPTION_drive
:
4745 drive_add(NULL
, "%s", optarg
);
4747 case QEMU_OPTION_mtdblock
:
4748 drive_add(optarg
, MTD_ALIAS
);
4750 case QEMU_OPTION_sd
:
4751 drive_add(optarg
, SD_ALIAS
);
4753 case QEMU_OPTION_pflash
:
4754 drive_add(optarg
, PFLASH_ALIAS
);
4756 case QEMU_OPTION_snapshot
:
4759 case QEMU_OPTION_hdachs
:
4763 cyls
= strtol(p
, (char **)&p
, 0);
4764 if (cyls
< 1 || cyls
> 16383)
4769 heads
= strtol(p
, (char **)&p
, 0);
4770 if (heads
< 1 || heads
> 16)
4775 secs
= strtol(p
, (char **)&p
, 0);
4776 if (secs
< 1 || secs
> 63)
4780 if (!strcmp(p
, "none"))
4781 translation
= BIOS_ATA_TRANSLATION_NONE
;
4782 else if (!strcmp(p
, "lba"))
4783 translation
= BIOS_ATA_TRANSLATION_LBA
;
4784 else if (!strcmp(p
, "auto"))
4785 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4788 } else if (*p
!= '\0') {
4790 fprintf(stderr
, "qemu: invalid physical CHS format\n");
4793 if (hda_index
!= -1)
4794 snprintf(drives_opt
[hda_index
].opt
,
4795 sizeof(drives_opt
[hda_index
].opt
),
4796 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
4797 0, cyls
, heads
, secs
,
4798 translation
== BIOS_ATA_TRANSLATION_LBA
?
4800 translation
== BIOS_ATA_TRANSLATION_NONE
?
4801 ",trans=none" : "");
4804 case QEMU_OPTION_nographic
:
4807 #ifdef CONFIG_CURSES
4808 case QEMU_OPTION_curses
:
4812 case QEMU_OPTION_portrait
:
4815 case QEMU_OPTION_kernel
:
4816 kernel_filename
= optarg
;
4818 case QEMU_OPTION_append
:
4819 kernel_cmdline
= optarg
;
4821 case QEMU_OPTION_cdrom
:
4822 drive_add(optarg
, CDROM_ALIAS
);
4824 case QEMU_OPTION_boot
:
4825 boot_devices
= optarg
;
4826 /* We just do some generic consistency checks */
4828 /* Could easily be extended to 64 devices if needed */
4831 boot_devices_bitmap
= 0;
4832 for (p
= boot_devices
; *p
!= '\0'; p
++) {
4833 /* Allowed boot devices are:
4834 * a b : floppy disk drives
4835 * c ... f : IDE disk drives
4836 * g ... m : machine implementation dependant drives
4837 * n ... p : network devices
4838 * It's up to each machine implementation to check
4839 * if the given boot devices match the actual hardware
4840 * implementation and firmware features.
4842 if (*p
< 'a' || *p
> 'q') {
4843 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
4846 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
4848 "Boot device '%c' was given twice\n",*p
);
4851 boot_devices_bitmap
|= 1 << (*p
- 'a');
4855 case QEMU_OPTION_fda
:
4856 case QEMU_OPTION_fdb
:
4857 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
4860 case QEMU_OPTION_no_fd_bootchk
:
4864 case QEMU_OPTION_net
:
4865 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
4866 fprintf(stderr
, "qemu: too many network clients\n");
4869 net_clients
[nb_net_clients
] = optarg
;
4873 case QEMU_OPTION_tftp
:
4874 tftp_prefix
= optarg
;
4876 case QEMU_OPTION_bootp
:
4877 bootp_filename
= optarg
;
4880 case QEMU_OPTION_smb
:
4881 net_slirp_smb(optarg
);
4884 case QEMU_OPTION_redir
:
4885 net_slirp_redir(optarg
);
4888 case QEMU_OPTION_bt
:
4889 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
4890 fprintf(stderr
, "qemu: too many bluetooth options\n");
4893 bt_opts
[nb_bt_opts
++] = optarg
;
4896 case QEMU_OPTION_audio_help
:
4900 case QEMU_OPTION_soundhw
:
4901 select_soundhw (optarg
);
4907 case QEMU_OPTION_m
: {
4911 value
= strtoul(optarg
, &ptr
, 10);
4913 case 0: case 'M': case 'm':
4920 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
4924 /* On 32-bit hosts, QEMU is limited by virtual address space */
4925 if (value
> (2047 << 20)
4927 && HOST_LONG_BITS
== 32
4930 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4933 if (value
!= (uint64_t)(ram_addr_t
)value
) {
4934 fprintf(stderr
, "qemu: ram size too large\n");
4943 const CPULogItem
*item
;
4945 mask
= cpu_str_to_log_mask(optarg
);
4947 printf("Log items (comma separated):\n");
4948 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
4949 printf("%-10s %s\n", item
->name
, item
->help
);
4956 #ifdef CONFIG_GDBSTUB
4961 gdbstub_port
= optarg
;
4967 case QEMU_OPTION_bios
:
4974 keyboard_layout
= optarg
;
4976 case QEMU_OPTION_localtime
:
4979 case QEMU_OPTION_vga
:
4980 select_vgahw (optarg
);
4987 w
= strtol(p
, (char **)&p
, 10);
4990 fprintf(stderr
, "qemu: invalid resolution or depth\n");
4996 h
= strtol(p
, (char **)&p
, 10);
5001 depth
= strtol(p
, (char **)&p
, 10);
5002 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5003 depth
!= 24 && depth
!= 32)
5005 } else if (*p
== '\0') {
5006 depth
= graphic_depth
;
5013 graphic_depth
= depth
;
5016 case QEMU_OPTION_echr
:
5019 term_escape_char
= strtol(optarg
, &r
, 0);
5021 printf("Bad argument to echr\n");
5024 case QEMU_OPTION_monitor
:
5025 monitor_device
= optarg
;
5027 case QEMU_OPTION_serial
:
5028 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5029 fprintf(stderr
, "qemu: too many serial ports\n");
5032 serial_devices
[serial_device_index
] = optarg
;
5033 serial_device_index
++;
5035 case QEMU_OPTION_virtiocon
:
5036 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
5037 fprintf(stderr
, "qemu: too many virtio consoles\n");
5040 virtio_consoles
[virtio_console_index
] = optarg
;
5041 virtio_console_index
++;
5043 case QEMU_OPTION_parallel
:
5044 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5045 fprintf(stderr
, "qemu: too many parallel ports\n");
5048 parallel_devices
[parallel_device_index
] = optarg
;
5049 parallel_device_index
++;
5051 case QEMU_OPTION_loadvm
:
5054 case QEMU_OPTION_full_screen
:
5058 case QEMU_OPTION_no_frame
:
5061 case QEMU_OPTION_alt_grab
:
5064 case QEMU_OPTION_no_quit
:
5067 case QEMU_OPTION_sdl
:
5071 case QEMU_OPTION_pidfile
:
5075 case QEMU_OPTION_win2k_hack
:
5076 win2k_install_hack
= 1;
5078 case QEMU_OPTION_rtc_td_hack
:
5083 case QEMU_OPTION_no_kqemu
:
5086 case QEMU_OPTION_kernel_kqemu
:
5091 case QEMU_OPTION_enable_kvm
:
5098 case QEMU_OPTION_usb
:
5101 case QEMU_OPTION_usbdevice
:
5103 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5104 fprintf(stderr
, "Too many USB devices\n");
5107 usb_devices
[usb_devices_index
] = optarg
;
5108 usb_devices_index
++;
5110 case QEMU_OPTION_smp
:
5111 smp_cpus
= atoi(optarg
);
5113 fprintf(stderr
, "Invalid number of CPUs\n");
5117 case QEMU_OPTION_vnc
:
5118 vnc_display
= optarg
;
5120 case QEMU_OPTION_no_acpi
:
5123 case QEMU_OPTION_no_hpet
:
5126 case QEMU_OPTION_no_reboot
:
5129 case QEMU_OPTION_no_shutdown
:
5132 case QEMU_OPTION_show_cursor
:
5135 case QEMU_OPTION_uuid
:
5136 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5137 fprintf(stderr
, "Fail to parse UUID string."
5138 " Wrong format.\n");
5142 case QEMU_OPTION_daemonize
:
5145 case QEMU_OPTION_option_rom
:
5146 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5147 fprintf(stderr
, "Too many option ROMs\n");
5150 option_rom
[nb_option_roms
] = optarg
;
5153 case QEMU_OPTION_semihosting
:
5154 semihosting_enabled
= 1;
5156 case QEMU_OPTION_name
:
5159 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5160 case QEMU_OPTION_prom_env
:
5161 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5162 fprintf(stderr
, "Too many prom variables\n");
5165 prom_envs
[nb_prom_envs
] = optarg
;
5170 case QEMU_OPTION_old_param
:
5174 case QEMU_OPTION_clock
:
5175 configure_alarms(optarg
);
5177 case QEMU_OPTION_startdate
:
5180 time_t rtc_start_date
;
5181 if (!strcmp(optarg
, "now")) {
5182 rtc_date_offset
= -1;
5184 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5192 } else if (sscanf(optarg
, "%d-%d-%d",
5195 &tm
.tm_mday
) == 3) {
5204 rtc_start_date
= mktimegm(&tm
);
5205 if (rtc_start_date
== -1) {
5207 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5208 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5211 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5215 case QEMU_OPTION_tb_size
:
5216 tb_size
= strtol(optarg
, NULL
, 0);
5220 case QEMU_OPTION_icount
:
5222 if (strcmp(optarg
, "auto") == 0) {
5223 icount_time_shift
= -1;
5225 icount_time_shift
= strtol(optarg
, NULL
, 0);
5228 case QEMU_OPTION_incoming
:
5235 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5236 if (kvm_allowed
&& kqemu_allowed
) {
5238 "You can not enable both KVM and kqemu at the same time\n");
5243 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5244 if (smp_cpus
> machine
->max_cpus
) {
5245 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5246 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5252 if (serial_device_index
== 0)
5253 serial_devices
[0] = "stdio";
5254 if (parallel_device_index
== 0)
5255 parallel_devices
[0] = "null";
5256 if (strncmp(monitor_device
, "vc", 2) == 0)
5257 monitor_device
= "stdio";
5258 if (virtio_console_index
== 0)
5259 virtio_consoles
[0] = "null";
5266 if (pipe(fds
) == -1)
5277 len
= read(fds
[0], &status
, 1);
5278 if (len
== -1 && (errno
== EINTR
))
5283 else if (status
== 1) {
5284 fprintf(stderr
, "Could not acquire pidfile\n");
5301 signal(SIGTSTP
, SIG_IGN
);
5302 signal(SIGTTOU
, SIG_IGN
);
5303 signal(SIGTTIN
, SIG_IGN
);
5307 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5310 write(fds
[1], &status
, 1);
5312 fprintf(stderr
, "Could not acquire pid file\n");
5320 linux_boot
= (kernel_filename
!= NULL
);
5321 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5323 if (!linux_boot
&& net_boot
== 0 &&
5324 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
5327 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5328 fprintf(stderr
, "-append only allowed with -kernel option\n");
5332 if (!linux_boot
&& initrd_filename
!= NULL
) {
5333 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5337 /* boot to floppy or the default cd if no hard disk defined yet */
5338 if (!boot_devices
[0]) {
5339 boot_devices
= "cad";
5341 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5344 if (init_timer_alarm() < 0) {
5345 fprintf(stderr
, "could not initialize alarm timer\n");
5348 if (use_icount
&& icount_time_shift
< 0) {
5350 /* 125MIPS seems a reasonable initial guess at the guest speed.
5351 It will be corrected fairly quickly anyway. */
5352 icount_time_shift
= 3;
5353 init_icount_adjust();
5360 /* init network clients */
5361 if (nb_net_clients
== 0) {
5362 /* if no clients, we use a default config */
5363 net_clients
[nb_net_clients
++] = "nic";
5365 net_clients
[nb_net_clients
++] = "user";
5369 for(i
= 0;i
< nb_net_clients
; i
++) {
5370 if (net_client_parse(net_clients
[i
]) < 0)
5376 /* XXX: this should be moved in the PC machine instantiation code */
5377 if (net_boot
!= 0) {
5379 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
5380 const char *model
= nd_table
[i
].model
;
5382 if (net_boot
& (1 << i
)) {
5385 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
5386 if (get_image_size(buf
) > 0) {
5387 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5388 fprintf(stderr
, "Too many option ROMs\n");
5391 option_rom
[nb_option_roms
] = strdup(buf
);
5398 fprintf(stderr
, "No valid PXE rom found for network device\n");
5404 /* init the bluetooth world */
5405 for (i
= 0; i
< nb_bt_opts
; i
++)
5406 if (bt_parse(bt_opts
[i
]))
5409 /* init the memory */
5410 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
5412 if (machine
->ram_require
& RAMSIZE_FIXED
) {
5414 if (ram_size
< phys_ram_size
) {
5415 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
5416 machine
->name
, (unsigned long long) phys_ram_size
);
5420 phys_ram_size
= ram_size
;
5422 ram_size
= phys_ram_size
;
5425 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5427 phys_ram_size
+= ram_size
;
5430 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
5431 if (!phys_ram_base
) {
5432 fprintf(stderr
, "Could not allocate physical memory\n");
5436 /* init the dynamic translator */
5437 cpu_exec_init_all(tb_size
* 1024 * 1024);
5441 /* we always create the cdrom drive, even if no disk is there */
5443 if (nb_drives_opt
< MAX_DRIVES
)
5444 drive_add(NULL
, CDROM_ALIAS
);
5446 /* we always create at least one floppy */
5448 if (nb_drives_opt
< MAX_DRIVES
)
5449 drive_add(NULL
, FD_ALIAS
, 0);
5451 /* we always create one sd slot, even if no card is in it */
5453 if (nb_drives_opt
< MAX_DRIVES
)
5454 drive_add(NULL
, SD_ALIAS
);
5456 /* open the virtual block devices */
5458 for(i
= 0; i
< nb_drives_opt
; i
++)
5459 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5462 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5463 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5466 /* must be after terminal init, SDL library changes signal handlers */
5470 /* Maintain compatibility with multiple stdio monitors */
5471 if (!strcmp(monitor_device
,"stdio")) {
5472 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5473 const char *devname
= serial_devices
[i
];
5474 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5475 monitor_device
= NULL
;
5477 } else if (devname
&& !strcmp(devname
,"stdio")) {
5478 monitor_device
= NULL
;
5479 serial_devices
[i
] = "mon:stdio";
5485 if (kvm_enabled()) {
5488 ret
= kvm_init(smp_cpus
);
5490 fprintf(stderr
, "failed to initialize KVM\n");
5495 if (monitor_device
) {
5496 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
5498 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
5503 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5504 const char *devname
= serial_devices
[i
];
5505 if (devname
&& strcmp(devname
, "none")) {
5507 snprintf(label
, sizeof(label
), "serial%d", i
);
5508 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5509 if (!serial_hds
[i
]) {
5510 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
5517 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5518 const char *devname
= parallel_devices
[i
];
5519 if (devname
&& strcmp(devname
, "none")) {
5521 snprintf(label
, sizeof(label
), "parallel%d", i
);
5522 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5523 if (!parallel_hds
[i
]) {
5524 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
5531 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5532 const char *devname
= virtio_consoles
[i
];
5533 if (devname
&& strcmp(devname
, "none")) {
5535 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5536 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5537 if (!virtcon_hds
[i
]) {
5538 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
5545 machine
->init(ram_size
, vga_ram_size
, boot_devices
,
5546 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
5548 /* Set KVM's vcpu state to qemu's initial CPUState. */
5549 if (kvm_enabled()) {
5552 ret
= kvm_sync_vcpus();
5554 fprintf(stderr
, "failed to initialize vcpus\n");
5559 /* init USB devices */
5561 for(i
= 0; i
< usb_devices_index
; i
++) {
5562 if (usb_device_add(usb_devices
[i
]) < 0) {
5563 fprintf(stderr
, "Warning: could not add USB device %s\n",
5570 dumb_display_init();
5571 /* just use the first displaystate for the moment */
5576 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
5580 #if defined(CONFIG_CURSES)
5582 /* At the moment curses cannot be used with other displays */
5583 curses_display_init(ds
, full_screen
);
5587 if (vnc_display
!= NULL
) {
5588 vnc_display_init(ds
);
5589 if (vnc_display_open(ds
, vnc_display
) < 0)
5592 #if defined(CONFIG_SDL)
5593 if (sdl
|| !vnc_display
)
5594 sdl_display_init(ds
, full_screen
, no_frame
);
5595 #elif defined(CONFIG_COCOA)
5596 if (sdl
|| !vnc_display
)
5597 cocoa_display_init(ds
, full_screen
);
5603 dcl
= ds
->listeners
;
5604 while (dcl
!= NULL
) {
5605 if (dcl
->dpy_refresh
!= NULL
) {
5606 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
5607 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
5612 if (nographic
|| (vnc_display
&& !sdl
)) {
5613 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
5614 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
5617 text_consoles_set_display(display_state
);
5619 if (monitor_device
&& monitor_hd
)
5620 monitor_init(monitor_hd
, !nographic
);
5622 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5623 const char *devname
= serial_devices
[i
];
5624 if (devname
&& strcmp(devname
, "none")) {
5626 snprintf(label
, sizeof(label
), "serial%d", i
);
5627 if (strstart(devname
, "vc", 0))
5628 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
5632 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5633 const char *devname
= parallel_devices
[i
];
5634 if (devname
&& strcmp(devname
, "none")) {
5636 snprintf(label
, sizeof(label
), "parallel%d", i
);
5637 if (strstart(devname
, "vc", 0))
5638 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
5642 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5643 const char *devname
= virtio_consoles
[i
];
5644 if (virtcon_hds
[i
] && devname
) {
5646 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5647 if (strstart(devname
, "vc", 0))
5648 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
5652 #ifdef CONFIG_GDBSTUB
5654 /* XXX: use standard host:port notation and modify options
5656 if (gdbserver_start(gdbstub_port
) < 0) {
5657 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
5668 autostart
= 0; /* fixme how to deal with -daemonize */
5669 qemu_start_incoming_migration(incoming
);
5673 /* XXX: simplify init */
5686 len
= write(fds
[1], &status
, 1);
5687 if (len
== -1 && (errno
== EINTR
))
5694 TFR(fd
= open("/dev/null", O_RDWR
));