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
32 /* Needed early for HOST_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #if defined(__NetBSD__)
47 #include <net/if_tap.h>
50 #include <linux/if_tun.h>
52 #include <arpa/inet.h>
55 #include <sys/select.h>
58 #if defined(__FreeBSD__) || defined(__DragonFly__)
63 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
64 #include <freebsd/stdlib.h>
69 #include <linux/rtc.h>
71 /* For the benefit of older linux systems which don't supply it,
72 we use a local copy of hpet.h. */
73 /* #include <linux/hpet.h> */
76 #include <linux/ppdev.h>
77 #include <linux/parport.h>
81 #include <sys/ethernet.h>
82 #include <sys/sockio.h>
83 #include <netinet/arp.h>
84 #include <netinet/in.h>
85 #include <netinet/in_systm.h>
86 #include <netinet/ip.h>
87 #include <netinet/ip_icmp.h> // must come after ip.h
88 #include <netinet/udp.h>
89 #include <netinet/tcp.h>
97 #if defined(__OpenBSD__)
101 #if defined(CONFIG_VDE)
102 #include <libvdeplug.h>
108 #include <sys/timeb.h>
109 #include <mmsystem.h>
110 #define getopt_long_only getopt_long
111 #define memalign(align, size) malloc(size)
117 int qemu_main(int argc
, char **argv
, char **envp
);
118 int main(int argc
, char **argv
)
120 qemu_main(argc
, argv
, NULL
);
123 #define main qemu_main
125 #endif /* CONFIG_SDL */
129 #define main qemu_main
130 #endif /* CONFIG_COCOA */
133 #include "hw/boards.h"
135 #include "hw/pcmcia.h"
137 #include "hw/audiodev.h"
147 #include "qemu-timer.h"
148 #include "qemu-char.h"
149 #include "cache-utils.h"
151 #include "audio/audio.h"
152 #include "migration.h"
158 #include "exec-all.h"
160 #include "qemu_socket.h"
162 #if defined(CONFIG_SLIRP)
163 #include "libslirp.h"
166 //#define DEBUG_UNUSED_IOPORT
167 //#define DEBUG_IOPORT
169 //#define DEBUG_SLIRP
173 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
175 # define LOG_IOPORT(...) do { } while (0)
178 #define DEFAULT_RAM_SIZE 128
180 /* Max number of USB devices that can be specified on the commandline. */
181 #define MAX_USB_CMDLINE 8
183 /* Max number of bluetooth switches on the commandline. */
184 #define MAX_BT_CMDLINE 10
186 /* XXX: use a two level table to limit memory usage */
187 #define MAX_IOPORTS 65536
189 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
190 const char *bios_name
= NULL
;
191 static void *ioport_opaque
[MAX_IOPORTS
];
192 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
193 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
194 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
195 to store the VM snapshots */
196 DriveInfo drives_table
[MAX_DRIVES
+1];
198 static int vga_ram_size
;
199 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
200 static DisplayState
*display_state
;
204 const char* keyboard_layout
= NULL
;
205 int64_t ticks_per_sec
;
208 NICInfo nd_table
[MAX_NICS
];
210 static int autostart
;
211 static int rtc_utc
= 1;
212 static int rtc_date_offset
= -1; /* -1 means no change */
213 int cirrus_vga_enabled
= 1;
214 int std_vga_enabled
= 0;
215 int vmsvga_enabled
= 0;
217 int graphic_width
= 1024;
218 int graphic_height
= 768;
219 int graphic_depth
= 8;
221 int graphic_width
= 800;
222 int graphic_height
= 600;
223 int graphic_depth
= 15;
225 static int full_screen
= 0;
227 static int no_frame
= 0;
230 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
231 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
232 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
234 int win2k_install_hack
= 0;
239 const char *vnc_display
;
240 int acpi_enabled
= 1;
246 int graphic_rotate
= 0;
248 const char *option_rom
[MAX_OPTION_ROMS
];
250 int semihosting_enabled
= 0;
254 const char *qemu_name
;
256 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
257 unsigned int nb_prom_envs
= 0;
258 const char *prom_envs
[MAX_PROM_ENVS
];
261 struct drive_opt drives_opt
[MAX_DRIVES
];
263 static CPUState
*cur_cpu
;
264 static CPUState
*next_cpu
;
265 static int event_pending
= 1;
266 /* Conversion factor from emulated instructions to virtual clock ticks. */
267 static int icount_time_shift
;
268 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
269 #define MAX_ICOUNT_SHIFT 10
270 /* Compensate for varying guest execution speed. */
271 static int64_t qemu_icount_bias
;
272 static QEMUTimer
*icount_rt_timer
;
273 static QEMUTimer
*icount_vm_timer
;
274 static QEMUTimer
*nographic_timer
;
276 uint8_t qemu_uuid
[16];
278 /***********************************************************/
279 /* x86 ISA bus support */
281 target_phys_addr_t isa_mem_base
= 0;
284 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
285 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
287 static uint32_t ioport_read(int index
, uint32_t address
)
289 static IOPortReadFunc
*default_func
[3] = {
290 default_ioport_readb
,
291 default_ioport_readw
,
294 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
296 func
= default_func
[index
];
297 return func(ioport_opaque
[address
], address
);
300 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
302 static IOPortWriteFunc
*default_func
[3] = {
303 default_ioport_writeb
,
304 default_ioport_writew
,
305 default_ioport_writel
307 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
309 func
= default_func
[index
];
310 func(ioport_opaque
[address
], address
, data
);
313 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
315 #ifdef DEBUG_UNUSED_IOPORT
316 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
321 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
323 #ifdef DEBUG_UNUSED_IOPORT
324 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
328 /* default is to make two byte accesses */
329 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
332 data
= ioport_read(0, address
);
333 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
334 data
|= ioport_read(0, address
) << 8;
338 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
340 ioport_write(0, address
, data
& 0xff);
341 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
342 ioport_write(0, address
, (data
>> 8) & 0xff);
345 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
347 #ifdef DEBUG_UNUSED_IOPORT
348 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
353 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
355 #ifdef DEBUG_UNUSED_IOPORT
356 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
360 /* size is the word size in byte */
361 int register_ioport_read(int start
, int length
, int size
,
362 IOPortReadFunc
*func
, void *opaque
)
368 } else if (size
== 2) {
370 } else if (size
== 4) {
373 hw_error("register_ioport_read: invalid size");
376 for(i
= start
; i
< start
+ length
; i
+= size
) {
377 ioport_read_table
[bsize
][i
] = func
;
378 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
379 hw_error("register_ioport_read: invalid opaque");
380 ioport_opaque
[i
] = opaque
;
385 /* size is the word size in byte */
386 int register_ioport_write(int start
, int length
, int size
,
387 IOPortWriteFunc
*func
, void *opaque
)
393 } else if (size
== 2) {
395 } else if (size
== 4) {
398 hw_error("register_ioport_write: invalid size");
401 for(i
= start
; i
< start
+ length
; i
+= size
) {
402 ioport_write_table
[bsize
][i
] = func
;
403 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
404 hw_error("register_ioport_write: invalid opaque");
405 ioport_opaque
[i
] = opaque
;
410 void isa_unassign_ioport(int start
, int length
)
414 for(i
= start
; i
< start
+ length
; i
++) {
415 ioport_read_table
[0][i
] = default_ioport_readb
;
416 ioport_read_table
[1][i
] = default_ioport_readw
;
417 ioport_read_table
[2][i
] = default_ioport_readl
;
419 ioport_write_table
[0][i
] = default_ioport_writeb
;
420 ioport_write_table
[1][i
] = default_ioport_writew
;
421 ioport_write_table
[2][i
] = default_ioport_writel
;
423 ioport_opaque
[i
] = NULL
;
427 /***********************************************************/
429 void cpu_outb(CPUState
*env
, int addr
, int val
)
431 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
432 ioport_write(0, addr
, val
);
435 env
->last_io_time
= cpu_get_time_fast();
439 void cpu_outw(CPUState
*env
, int addr
, int val
)
441 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
442 ioport_write(1, addr
, val
);
445 env
->last_io_time
= cpu_get_time_fast();
449 void cpu_outl(CPUState
*env
, int addr
, int val
)
451 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
452 ioport_write(2, addr
, val
);
455 env
->last_io_time
= cpu_get_time_fast();
459 int cpu_inb(CPUState
*env
, int addr
)
462 val
= ioport_read(0, addr
);
463 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
466 env
->last_io_time
= cpu_get_time_fast();
471 int cpu_inw(CPUState
*env
, int addr
)
474 val
= ioport_read(1, addr
);
475 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
478 env
->last_io_time
= cpu_get_time_fast();
483 int cpu_inl(CPUState
*env
, int addr
)
486 val
= ioport_read(2, addr
);
487 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
490 env
->last_io_time
= cpu_get_time_fast();
495 /***********************************************************/
496 void hw_error(const char *fmt
, ...)
502 fprintf(stderr
, "qemu: hardware error: ");
503 vfprintf(stderr
, fmt
, ap
);
504 fprintf(stderr
, "\n");
505 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
506 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
508 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
510 cpu_dump_state(env
, stderr
, fprintf
, 0);
520 static QEMUBalloonEvent
*qemu_balloon_event
;
521 void *qemu_balloon_event_opaque
;
523 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
525 qemu_balloon_event
= func
;
526 qemu_balloon_event_opaque
= opaque
;
529 void qemu_balloon(ram_addr_t target
)
531 if (qemu_balloon_event
)
532 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
535 ram_addr_t
qemu_balloon_status(void)
537 if (qemu_balloon_event
)
538 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
542 /***********************************************************/
545 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
546 static void *qemu_put_kbd_event_opaque
;
547 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
548 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
550 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
552 qemu_put_kbd_event_opaque
= opaque
;
553 qemu_put_kbd_event
= func
;
556 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
557 void *opaque
, int absolute
,
560 QEMUPutMouseEntry
*s
, *cursor
;
562 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
564 s
->qemu_put_mouse_event
= func
;
565 s
->qemu_put_mouse_event_opaque
= opaque
;
566 s
->qemu_put_mouse_event_absolute
= absolute
;
567 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
570 if (!qemu_put_mouse_event_head
) {
571 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
575 cursor
= qemu_put_mouse_event_head
;
576 while (cursor
->next
!= NULL
)
577 cursor
= cursor
->next
;
580 qemu_put_mouse_event_current
= s
;
585 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
587 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
589 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
592 cursor
= qemu_put_mouse_event_head
;
593 while (cursor
!= NULL
&& cursor
!= entry
) {
595 cursor
= cursor
->next
;
598 if (cursor
== NULL
) // does not exist or list empty
600 else if (prev
== NULL
) { // entry is head
601 qemu_put_mouse_event_head
= cursor
->next
;
602 if (qemu_put_mouse_event_current
== entry
)
603 qemu_put_mouse_event_current
= cursor
->next
;
604 qemu_free(entry
->qemu_put_mouse_event_name
);
609 prev
->next
= entry
->next
;
611 if (qemu_put_mouse_event_current
== entry
)
612 qemu_put_mouse_event_current
= prev
;
614 qemu_free(entry
->qemu_put_mouse_event_name
);
618 void kbd_put_keycode(int keycode
)
620 if (qemu_put_kbd_event
) {
621 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
625 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
627 QEMUPutMouseEvent
*mouse_event
;
628 void *mouse_event_opaque
;
631 if (!qemu_put_mouse_event_current
) {
636 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
638 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
641 if (graphic_rotate
) {
642 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
645 width
= graphic_width
- 1;
646 mouse_event(mouse_event_opaque
,
647 width
- dy
, dx
, dz
, buttons_state
);
649 mouse_event(mouse_event_opaque
,
650 dx
, dy
, dz
, buttons_state
);
654 int kbd_mouse_is_absolute(void)
656 if (!qemu_put_mouse_event_current
)
659 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
662 void do_info_mice(Monitor
*mon
)
664 QEMUPutMouseEntry
*cursor
;
667 if (!qemu_put_mouse_event_head
) {
668 monitor_printf(mon
, "No mouse devices connected\n");
672 monitor_printf(mon
, "Mouse devices available:\n");
673 cursor
= qemu_put_mouse_event_head
;
674 while (cursor
!= NULL
) {
675 monitor_printf(mon
, "%c Mouse #%d: %s\n",
676 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
677 index
, cursor
->qemu_put_mouse_event_name
);
679 cursor
= cursor
->next
;
683 void do_mouse_set(Monitor
*mon
, int index
)
685 QEMUPutMouseEntry
*cursor
;
688 if (!qemu_put_mouse_event_head
) {
689 monitor_printf(mon
, "No mouse devices connected\n");
693 cursor
= qemu_put_mouse_event_head
;
694 while (cursor
!= NULL
&& index
!= i
) {
696 cursor
= cursor
->next
;
700 qemu_put_mouse_event_current
= cursor
;
702 monitor_printf(mon
, "Mouse at given index not found\n");
705 /* compute with 96 bit intermediate result: (a*b)/c */
706 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
711 #ifdef WORDS_BIGENDIAN
721 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
722 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
725 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
729 /***********************************************************/
730 /* real time host monotonic timer */
732 #define QEMU_TIMER_BASE 1000000000LL
736 static int64_t clock_freq
;
738 static void init_get_clock(void)
742 ret
= QueryPerformanceFrequency(&freq
);
744 fprintf(stderr
, "Could not calibrate ticks\n");
747 clock_freq
= freq
.QuadPart
;
750 static int64_t get_clock(void)
753 QueryPerformanceCounter(&ti
);
754 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
759 static int use_rt_clock
;
761 static void init_get_clock(void)
764 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
765 || defined(__DragonFly__)
768 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
775 static int64_t get_clock(void)
777 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
778 || defined(__DragonFly__)
781 clock_gettime(CLOCK_MONOTONIC
, &ts
);
782 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
786 /* XXX: using gettimeofday leads to problems if the date
787 changes, so it should be avoided. */
789 gettimeofday(&tv
, NULL
);
790 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
795 /* Return the virtual CPU time, based on the instruction counter. */
796 static int64_t cpu_get_icount(void)
799 CPUState
*env
= cpu_single_env
;;
800 icount
= qemu_icount
;
803 fprintf(stderr
, "Bad clock read\n");
804 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
806 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
809 /***********************************************************/
810 /* guest cycle counter */
812 static int64_t cpu_ticks_prev
;
813 static int64_t cpu_ticks_offset
;
814 static int64_t cpu_clock_offset
;
815 static int cpu_ticks_enabled
;
817 /* return the host CPU cycle counter and handle stop/restart */
818 int64_t cpu_get_ticks(void)
821 return cpu_get_icount();
823 if (!cpu_ticks_enabled
) {
824 return cpu_ticks_offset
;
827 ticks
= cpu_get_real_ticks();
828 if (cpu_ticks_prev
> ticks
) {
829 /* Note: non increasing ticks may happen if the host uses
831 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
833 cpu_ticks_prev
= ticks
;
834 return ticks
+ cpu_ticks_offset
;
838 /* return the host CPU monotonic timer and handle stop/restart */
839 static int64_t cpu_get_clock(void)
842 if (!cpu_ticks_enabled
) {
843 return cpu_clock_offset
;
846 return ti
+ cpu_clock_offset
;
850 /* enable cpu_get_ticks() */
851 void cpu_enable_ticks(void)
853 if (!cpu_ticks_enabled
) {
854 cpu_ticks_offset
-= cpu_get_real_ticks();
855 cpu_clock_offset
-= get_clock();
856 cpu_ticks_enabled
= 1;
860 /* disable cpu_get_ticks() : the clock is stopped. You must not call
861 cpu_get_ticks() after that. */
862 void cpu_disable_ticks(void)
864 if (cpu_ticks_enabled
) {
865 cpu_ticks_offset
= cpu_get_ticks();
866 cpu_clock_offset
= cpu_get_clock();
867 cpu_ticks_enabled
= 0;
871 /***********************************************************/
874 #define QEMU_TIMER_REALTIME 0
875 #define QEMU_TIMER_VIRTUAL 1
879 /* XXX: add frequency */
887 struct QEMUTimer
*next
;
890 struct qemu_alarm_timer
{
894 int (*start
)(struct qemu_alarm_timer
*t
);
895 void (*stop
)(struct qemu_alarm_timer
*t
);
896 void (*rearm
)(struct qemu_alarm_timer
*t
);
900 #define ALARM_FLAG_DYNTICKS 0x1
901 #define ALARM_FLAG_EXPIRED 0x2
903 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
905 return t
->flags
& ALARM_FLAG_DYNTICKS
;
908 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
910 if (!alarm_has_dynticks(t
))
916 /* TODO: MIN_TIMER_REARM_US should be optimized */
917 #define MIN_TIMER_REARM_US 250
919 static struct qemu_alarm_timer
*alarm_timer
;
921 static int alarm_timer_rfd
, alarm_timer_wfd
;
926 struct qemu_alarm_win32
{
930 } alarm_win32_data
= {0, NULL
, -1};
932 static int win32_start_timer(struct qemu_alarm_timer
*t
);
933 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
934 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
938 static int unix_start_timer(struct qemu_alarm_timer
*t
);
939 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
943 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
944 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
945 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
947 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
948 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
950 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
951 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
953 #endif /* __linux__ */
957 /* Correlation between real and virtual time is always going to be
958 fairly approximate, so ignore small variation.
959 When the guest is idle real and virtual time will be aligned in
961 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
963 static void icount_adjust(void)
968 static int64_t last_delta
;
969 /* If the VM is not running, then do nothing. */
973 cur_time
= cpu_get_clock();
974 cur_icount
= qemu_get_clock(vm_clock
);
975 delta
= cur_icount
- cur_time
;
976 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
978 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
979 && icount_time_shift
> 0) {
980 /* The guest is getting too far ahead. Slow time down. */
984 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
985 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
986 /* The guest is getting too far behind. Speed time up. */
990 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
993 static void icount_adjust_rt(void * opaque
)
995 qemu_mod_timer(icount_rt_timer
,
996 qemu_get_clock(rt_clock
) + 1000);
1000 static void icount_adjust_vm(void * opaque
)
1002 qemu_mod_timer(icount_vm_timer
,
1003 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1007 static void init_icount_adjust(void)
1009 /* Have both realtime and virtual time triggers for speed adjustment.
1010 The realtime trigger catches emulated time passing too slowly,
1011 the virtual time trigger catches emulated time passing too fast.
1012 Realtime triggers occur even when idle, so use them less frequently
1013 than VM triggers. */
1014 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1015 qemu_mod_timer(icount_rt_timer
,
1016 qemu_get_clock(rt_clock
) + 1000);
1017 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1018 qemu_mod_timer(icount_vm_timer
,
1019 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1022 static struct qemu_alarm_timer alarm_timers
[] = {
1025 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1026 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1027 /* HPET - if available - is preferred */
1028 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1029 /* ...otherwise try RTC */
1030 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1032 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1034 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1035 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1036 {"win32", 0, win32_start_timer
,
1037 win32_stop_timer
, NULL
, &alarm_win32_data
},
1042 static void show_available_alarms(void)
1046 printf("Available alarm timers, in order of precedence:\n");
1047 for (i
= 0; alarm_timers
[i
].name
; i
++)
1048 printf("%s\n", alarm_timers
[i
].name
);
1051 static void configure_alarms(char const *opt
)
1055 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1058 struct qemu_alarm_timer tmp
;
1060 if (!strcmp(opt
, "?")) {
1061 show_available_alarms();
1067 /* Reorder the array */
1068 name
= strtok(arg
, ",");
1070 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1071 if (!strcmp(alarm_timers
[i
].name
, name
))
1076 fprintf(stderr
, "Unknown clock %s\n", name
);
1085 tmp
= alarm_timers
[i
];
1086 alarm_timers
[i
] = alarm_timers
[cur
];
1087 alarm_timers
[cur
] = tmp
;
1091 name
= strtok(NULL
, ",");
1097 /* Disable remaining timers */
1098 for (i
= cur
; i
< count
; i
++)
1099 alarm_timers
[i
].name
= NULL
;
1101 show_available_alarms();
1106 QEMUClock
*rt_clock
;
1107 QEMUClock
*vm_clock
;
1109 static QEMUTimer
*active_timers
[2];
1111 static QEMUClock
*qemu_new_clock(int type
)
1114 clock
= qemu_mallocz(sizeof(QEMUClock
));
1119 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1123 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1126 ts
->opaque
= opaque
;
1130 void qemu_free_timer(QEMUTimer
*ts
)
1135 /* stop a timer, but do not dealloc it */
1136 void qemu_del_timer(QEMUTimer
*ts
)
1140 /* NOTE: this code must be signal safe because
1141 qemu_timer_expired() can be called from a signal. */
1142 pt
= &active_timers
[ts
->clock
->type
];
1155 /* modify the current timer so that it will be fired when current_time
1156 >= expire_time. The corresponding callback will be called. */
1157 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1163 /* add the timer in the sorted list */
1164 /* NOTE: this code must be signal safe because
1165 qemu_timer_expired() can be called from a signal. */
1166 pt
= &active_timers
[ts
->clock
->type
];
1171 if (t
->expire_time
> expire_time
)
1175 ts
->expire_time
= expire_time
;
1179 /* Rearm if necessary */
1180 if (pt
== &active_timers
[ts
->clock
->type
]) {
1181 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1182 qemu_rearm_alarm_timer(alarm_timer
);
1184 /* Interrupt execution to force deadline recalculation. */
1185 if (use_icount
&& cpu_single_env
) {
1186 cpu_exit(cpu_single_env
);
1191 int qemu_timer_pending(QEMUTimer
*ts
)
1194 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1201 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1205 return (timer_head
->expire_time
<= current_time
);
1208 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1214 if (!ts
|| ts
->expire_time
> current_time
)
1216 /* remove timer from the list before calling the callback */
1217 *ptimer_head
= ts
->next
;
1220 /* run the callback (the timer list can be modified) */
1225 int64_t qemu_get_clock(QEMUClock
*clock
)
1227 switch(clock
->type
) {
1228 case QEMU_TIMER_REALTIME
:
1229 return get_clock() / 1000000;
1231 case QEMU_TIMER_VIRTUAL
:
1233 return cpu_get_icount();
1235 return cpu_get_clock();
1240 static void init_timers(void)
1243 ticks_per_sec
= QEMU_TIMER_BASE
;
1244 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1245 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1249 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1251 uint64_t expire_time
;
1253 if (qemu_timer_pending(ts
)) {
1254 expire_time
= ts
->expire_time
;
1258 qemu_put_be64(f
, expire_time
);
1261 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1263 uint64_t expire_time
;
1265 expire_time
= qemu_get_be64(f
);
1266 if (expire_time
!= -1) {
1267 qemu_mod_timer(ts
, expire_time
);
1273 static void timer_save(QEMUFile
*f
, void *opaque
)
1275 if (cpu_ticks_enabled
) {
1276 hw_error("cannot save state if virtual timers are running");
1278 qemu_put_be64(f
, cpu_ticks_offset
);
1279 qemu_put_be64(f
, ticks_per_sec
);
1280 qemu_put_be64(f
, cpu_clock_offset
);
1283 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1285 if (version_id
!= 1 && version_id
!= 2)
1287 if (cpu_ticks_enabled
) {
1290 cpu_ticks_offset
=qemu_get_be64(f
);
1291 ticks_per_sec
=qemu_get_be64(f
);
1292 if (version_id
== 2) {
1293 cpu_clock_offset
=qemu_get_be64(f
);
1299 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1300 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1302 static void host_alarm_handler(int host_signum
)
1306 #define DISP_FREQ 1000
1308 static int64_t delta_min
= INT64_MAX
;
1309 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1311 ti
= qemu_get_clock(vm_clock
);
1312 if (last_clock
!= 0) {
1313 delta
= ti
- last_clock
;
1314 if (delta
< delta_min
)
1316 if (delta
> delta_max
)
1319 if (++count
== DISP_FREQ
) {
1320 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1321 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1322 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1323 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1324 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1326 delta_min
= INT64_MAX
;
1334 if (alarm_has_dynticks(alarm_timer
) ||
1336 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1337 qemu_get_clock(vm_clock
))) ||
1338 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1339 qemu_get_clock(rt_clock
))) {
1340 CPUState
*env
= next_cpu
;
1343 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1344 SetEvent(data
->host_alarm
);
1346 static const char byte
= 0;
1347 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1349 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1352 /* stop the currently executing cpu because a timer occured */
1355 if (env
->kqemu_enabled
) {
1356 kqemu_cpu_interrupt(env
);
1364 static int64_t qemu_next_deadline(void)
1368 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1369 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1370 qemu_get_clock(vm_clock
);
1372 /* To avoid problems with overflow limit this to 2^32. */
1382 #if defined(__linux__) || defined(_WIN32)
1383 static uint64_t qemu_next_deadline_dyntick(void)
1391 delta
= (qemu_next_deadline() + 999) / 1000;
1393 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1394 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1395 qemu_get_clock(rt_clock
))*1000;
1396 if (rtdelta
< delta
)
1400 if (delta
< MIN_TIMER_REARM_US
)
1401 delta
= MIN_TIMER_REARM_US
;
1409 /* Sets a specific flag */
1410 static int fcntl_setfl(int fd
, int flag
)
1414 flags
= fcntl(fd
, F_GETFL
);
1418 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1424 #if defined(__linux__)
1426 #define RTC_FREQ 1024
1428 static void enable_sigio_timer(int fd
)
1430 struct sigaction act
;
1433 sigfillset(&act
.sa_mask
);
1435 act
.sa_handler
= host_alarm_handler
;
1437 sigaction(SIGIO
, &act
, NULL
);
1438 fcntl_setfl(fd
, O_ASYNC
);
1439 fcntl(fd
, F_SETOWN
, getpid());
1442 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1444 struct hpet_info info
;
1447 fd
= open("/dev/hpet", O_RDONLY
);
1452 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1454 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1455 "error, but for better emulation accuracy type:\n"
1456 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1460 /* Check capabilities */
1461 r
= ioctl(fd
, HPET_INFO
, &info
);
1465 /* Enable periodic mode */
1466 r
= ioctl(fd
, HPET_EPI
, 0);
1467 if (info
.hi_flags
&& (r
< 0))
1470 /* Enable interrupt */
1471 r
= ioctl(fd
, HPET_IE_ON
, 0);
1475 enable_sigio_timer(fd
);
1476 t
->priv
= (void *)(long)fd
;
1484 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1486 int fd
= (long)t
->priv
;
1491 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1494 unsigned long current_rtc_freq
= 0;
1496 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1499 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1500 if (current_rtc_freq
!= RTC_FREQ
&&
1501 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1502 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1503 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1504 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1507 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1513 enable_sigio_timer(rtc_fd
);
1515 t
->priv
= (void *)(long)rtc_fd
;
1520 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1522 int rtc_fd
= (long)t
->priv
;
1527 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1531 struct sigaction act
;
1533 sigfillset(&act
.sa_mask
);
1535 act
.sa_handler
= host_alarm_handler
;
1537 sigaction(SIGALRM
, &act
, NULL
);
1539 ev
.sigev_value
.sival_int
= 0;
1540 ev
.sigev_notify
= SIGEV_SIGNAL
;
1541 ev
.sigev_signo
= SIGALRM
;
1543 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1544 perror("timer_create");
1546 /* disable dynticks */
1547 fprintf(stderr
, "Dynamic Ticks disabled\n");
1552 t
->priv
= (void *)(long)host_timer
;
1557 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1559 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1561 timer_delete(host_timer
);
1564 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1566 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1567 struct itimerspec timeout
;
1568 int64_t nearest_delta_us
= INT64_MAX
;
1571 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1572 !active_timers
[QEMU_TIMER_VIRTUAL
])
1575 nearest_delta_us
= qemu_next_deadline_dyntick();
1577 /* check whether a timer is already running */
1578 if (timer_gettime(host_timer
, &timeout
)) {
1580 fprintf(stderr
, "Internal timer error: aborting\n");
1583 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1584 if (current_us
&& current_us
<= nearest_delta_us
)
1587 timeout
.it_interval
.tv_sec
= 0;
1588 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1589 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1590 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1591 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1593 fprintf(stderr
, "Internal timer error: aborting\n");
1598 #endif /* defined(__linux__) */
1600 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1602 struct sigaction act
;
1603 struct itimerval itv
;
1607 sigfillset(&act
.sa_mask
);
1609 act
.sa_handler
= host_alarm_handler
;
1611 sigaction(SIGALRM
, &act
, NULL
);
1613 itv
.it_interval
.tv_sec
= 0;
1614 /* for i386 kernel 2.6 to get 1 ms */
1615 itv
.it_interval
.tv_usec
= 999;
1616 itv
.it_value
.tv_sec
= 0;
1617 itv
.it_value
.tv_usec
= 10 * 1000;
1619 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1626 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1628 struct itimerval itv
;
1630 memset(&itv
, 0, sizeof(itv
));
1631 setitimer(ITIMER_REAL
, &itv
, NULL
);
1634 #endif /* !defined(_WIN32) */
1636 static void try_to_rearm_timer(void *opaque
)
1638 struct qemu_alarm_timer
*t
= opaque
;
1642 /* Drain the notify pipe */
1645 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1646 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1649 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1650 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1651 qemu_rearm_alarm_timer(alarm_timer
);
1657 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1660 struct qemu_alarm_win32
*data
= t
->priv
;
1663 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1664 if (!data
->host_alarm
) {
1665 perror("Failed CreateEvent");
1669 memset(&tc
, 0, sizeof(tc
));
1670 timeGetDevCaps(&tc
, sizeof(tc
));
1672 if (data
->period
< tc
.wPeriodMin
)
1673 data
->period
= tc
.wPeriodMin
;
1675 timeBeginPeriod(data
->period
);
1677 flags
= TIME_CALLBACK_FUNCTION
;
1678 if (alarm_has_dynticks(t
))
1679 flags
|= TIME_ONESHOT
;
1681 flags
|= TIME_PERIODIC
;
1683 data
->timerId
= timeSetEvent(1, // interval (ms)
1684 data
->period
, // resolution
1685 host_alarm_handler
, // function
1686 (DWORD
)t
, // parameter
1689 if (!data
->timerId
) {
1690 perror("Failed to initialize win32 alarm timer");
1692 timeEndPeriod(data
->period
);
1693 CloseHandle(data
->host_alarm
);
1697 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1702 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1704 struct qemu_alarm_win32
*data
= t
->priv
;
1706 timeKillEvent(data
->timerId
);
1707 timeEndPeriod(data
->period
);
1709 CloseHandle(data
->host_alarm
);
1712 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1714 struct qemu_alarm_win32
*data
= t
->priv
;
1715 uint64_t nearest_delta_us
;
1717 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1718 !active_timers
[QEMU_TIMER_VIRTUAL
])
1721 nearest_delta_us
= qemu_next_deadline_dyntick();
1722 nearest_delta_us
/= 1000;
1724 timeKillEvent(data
->timerId
);
1726 data
->timerId
= timeSetEvent(1,
1730 TIME_ONESHOT
| TIME_PERIODIC
);
1732 if (!data
->timerId
) {
1733 perror("Failed to re-arm win32 alarm timer");
1735 timeEndPeriod(data
->period
);
1736 CloseHandle(data
->host_alarm
);
1743 static int init_timer_alarm(void)
1745 struct qemu_alarm_timer
*t
= NULL
;
1755 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1759 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1763 alarm_timer_rfd
= fds
[0];
1764 alarm_timer_wfd
= fds
[1];
1767 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1768 t
= &alarm_timers
[i
];
1781 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1782 try_to_rearm_timer
, NULL
, t
);
1797 static void quit_timers(void)
1799 alarm_timer
->stop(alarm_timer
);
1803 /***********************************************************/
1804 /* host time/date access */
1805 void qemu_get_timedate(struct tm
*tm
, int offset
)
1812 if (rtc_date_offset
== -1) {
1816 ret
= localtime(&ti
);
1818 ti
-= rtc_date_offset
;
1822 memcpy(tm
, ret
, sizeof(struct tm
));
1825 int qemu_timedate_diff(struct tm
*tm
)
1829 if (rtc_date_offset
== -1)
1831 seconds
= mktimegm(tm
);
1833 seconds
= mktime(tm
);
1835 seconds
= mktimegm(tm
) + rtc_date_offset
;
1837 return seconds
- time(NULL
);
1841 static void socket_cleanup(void)
1846 static int socket_init(void)
1851 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1853 err
= WSAGetLastError();
1854 fprintf(stderr
, "WSAStartup: %d\n", err
);
1857 atexit(socket_cleanup
);
1862 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1867 while (*p
!= '\0' && *p
!= '=') {
1868 if (q
&& (q
- buf
) < buf_size
- 1)
1878 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1883 while (*p
!= '\0') {
1885 if (*(p
+ 1) != ',')
1889 if (q
&& (q
- buf
) < buf_size
- 1)
1899 int get_param_value(char *buf
, int buf_size
,
1900 const char *tag
, const char *str
)
1907 p
= get_opt_name(option
, sizeof(option
), p
);
1911 if (!strcmp(tag
, option
)) {
1912 (void)get_opt_value(buf
, buf_size
, p
);
1915 p
= get_opt_value(NULL
, 0, p
);
1924 int check_params(char *buf
, int buf_size
,
1925 const char * const *params
, const char *str
)
1932 p
= get_opt_name(buf
, buf_size
, p
);
1936 for(i
= 0; params
[i
] != NULL
; i
++)
1937 if (!strcmp(params
[i
], buf
))
1939 if (params
[i
] == NULL
)
1941 p
= get_opt_value(NULL
, 0, p
);
1949 /***********************************************************/
1950 /* Bluetooth support */
1953 static struct HCIInfo
*hci_table
[MAX_NICS
];
1955 static struct bt_vlan_s
{
1956 struct bt_scatternet_s net
;
1958 struct bt_vlan_s
*next
;
1961 /* find or alloc a new bluetooth "VLAN" */
1962 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1964 struct bt_vlan_s
**pvlan
, *vlan
;
1965 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1969 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1971 pvlan
= &first_bt_vlan
;
1972 while (*pvlan
!= NULL
)
1973 pvlan
= &(*pvlan
)->next
;
1978 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1982 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1987 static struct HCIInfo null_hci
= {
1988 .cmd_send
= null_hci_send
,
1989 .sco_send
= null_hci_send
,
1990 .acl_send
= null_hci_send
,
1991 .bdaddr_set
= null_hci_addr_set
,
1994 struct HCIInfo
*qemu_next_hci(void)
1996 if (cur_hci
== nb_hcis
)
1999 return hci_table
[cur_hci
++];
2002 static struct HCIInfo
*hci_init(const char *str
)
2005 struct bt_scatternet_s
*vlan
= 0;
2007 if (!strcmp(str
, "null"))
2010 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
2012 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
2013 else if (!strncmp(str
, "hci", 3)) {
2016 if (!strncmp(str
+ 3, ",vlan=", 6)) {
2017 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
2022 vlan
= qemu_find_bt_vlan(0);
2024 return bt_new_hci(vlan
);
2027 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
2032 static int bt_hci_parse(const char *str
)
2034 struct HCIInfo
*hci
;
2037 if (nb_hcis
>= MAX_NICS
) {
2038 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2042 hci
= hci_init(str
);
2051 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2052 hci
->bdaddr_set(hci
, bdaddr
.b
);
2054 hci_table
[nb_hcis
++] = hci
;
2059 static void bt_vhci_add(int vlan_id
)
2061 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2064 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2065 "an empty scatternet %i\n", vlan_id
);
2067 bt_vhci_init(bt_new_hci(vlan
));
2070 static struct bt_device_s
*bt_device_add(const char *opt
)
2072 struct bt_scatternet_s
*vlan
;
2074 char *endp
= strstr(opt
, ",vlan=");
2075 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2078 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2081 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2083 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2088 vlan
= qemu_find_bt_vlan(vlan_id
);
2091 fprintf(stderr
, "qemu: warning: adding a slave device to "
2092 "an empty scatternet %i\n", vlan_id
);
2094 if (!strcmp(devname
, "keyboard"))
2095 return bt_keyboard_init(vlan
);
2097 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2101 static int bt_parse(const char *opt
)
2103 const char *endp
, *p
;
2106 if (strstart(opt
, "hci", &endp
)) {
2107 if (!*endp
|| *endp
== ',') {
2109 if (!strstart(endp
, ",vlan=", 0))
2112 return bt_hci_parse(opt
);
2114 } else if (strstart(opt
, "vhci", &endp
)) {
2115 if (!*endp
|| *endp
== ',') {
2117 if (strstart(endp
, ",vlan=", &p
)) {
2118 vlan
= strtol(p
, (char **) &endp
, 0);
2120 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2124 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2133 } else if (strstart(opt
, "device:", &endp
))
2134 return !bt_device_add(endp
);
2136 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2140 /***********************************************************/
2141 /* QEMU Block devices */
2143 #define HD_ALIAS "index=%d,media=disk"
2144 #define CDROM_ALIAS "index=2,media=cdrom"
2145 #define FD_ALIAS "index=%d,if=floppy"
2146 #define PFLASH_ALIAS "if=pflash"
2147 #define MTD_ALIAS "if=mtd"
2148 #define SD_ALIAS "index=0,if=sd"
2150 static int drive_opt_get_free_idx(void)
2154 for (index
= 0; index
< MAX_DRIVES
; index
++)
2155 if (!drives_opt
[index
].used
) {
2156 drives_opt
[index
].used
= 1;
2163 static int drive_get_free_idx(void)
2167 for (index
= 0; index
< MAX_DRIVES
; index
++)
2168 if (!drives_table
[index
].used
) {
2169 drives_table
[index
].used
= 1;
2176 int drive_add(const char *file
, const char *fmt
, ...)
2179 int index
= drive_opt_get_free_idx();
2181 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
2182 fprintf(stderr
, "qemu: too many drives\n");
2186 drives_opt
[index
].file
= file
;
2188 vsnprintf(drives_opt
[index
].opt
,
2189 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2196 void drive_remove(int index
)
2198 drives_opt
[index
].used
= 0;
2202 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2206 /* seek interface, bus and unit */
2208 for (index
= 0; index
< MAX_DRIVES
; index
++)
2209 if (drives_table
[index
].type
== type
&&
2210 drives_table
[index
].bus
== bus
&&
2211 drives_table
[index
].unit
== unit
&&
2212 drives_table
[index
].used
)
2218 int drive_get_max_bus(BlockInterfaceType type
)
2224 for (index
= 0; index
< nb_drives
; index
++) {
2225 if(drives_table
[index
].type
== type
&&
2226 drives_table
[index
].bus
> max_bus
)
2227 max_bus
= drives_table
[index
].bus
;
2232 const char *drive_get_serial(BlockDriverState
*bdrv
)
2236 for (index
= 0; index
< nb_drives
; index
++)
2237 if (drives_table
[index
].bdrv
== bdrv
)
2238 return drives_table
[index
].serial
;
2243 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2247 for (index
= 0; index
< nb_drives
; index
++)
2248 if (drives_table
[index
].bdrv
== bdrv
)
2249 return drives_table
[index
].onerror
;
2251 return BLOCK_ERR_STOP_ENOSPC
;
2254 static void bdrv_format_print(void *opaque
, const char *name
)
2256 fprintf(stderr
, " %s", name
);
2259 void drive_uninit(BlockDriverState
*bdrv
)
2263 for (i
= 0; i
< MAX_DRIVES
; i
++)
2264 if (drives_table
[i
].bdrv
== bdrv
) {
2265 drives_table
[i
].bdrv
= NULL
;
2266 drives_table
[i
].used
= 0;
2267 drive_remove(drives_table
[i
].drive_opt_idx
);
2273 int drive_init(struct drive_opt
*arg
, int snapshot
, void *opaque
)
2279 const char *mediastr
= "";
2280 BlockInterfaceType type
;
2281 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2282 int bus_id
, unit_id
;
2283 int cyls
, heads
, secs
, translation
;
2284 BlockDriverState
*bdrv
;
2285 BlockDriver
*drv
= NULL
;
2286 QEMUMachine
*machine
= opaque
;
2290 int bdrv_flags
, onerror
;
2291 int drives_table_idx
;
2292 char *str
= arg
->opt
;
2293 static const char * const params
[] = { "bus", "unit", "if", "index",
2294 "cyls", "heads", "secs", "trans",
2295 "media", "snapshot", "file",
2296 "cache", "format", "serial", "werror",
2299 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2300 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2306 cyls
= heads
= secs
= 0;
2309 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2313 if (machine
->use_scsi
) {
2315 max_devs
= MAX_SCSI_DEVS
;
2316 pstrcpy(devname
, sizeof(devname
), "scsi");
2319 max_devs
= MAX_IDE_DEVS
;
2320 pstrcpy(devname
, sizeof(devname
), "ide");
2324 /* extract parameters */
2326 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2327 bus_id
= strtol(buf
, NULL
, 0);
2329 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2334 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2335 unit_id
= strtol(buf
, NULL
, 0);
2337 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2342 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2343 pstrcpy(devname
, sizeof(devname
), buf
);
2344 if (!strcmp(buf
, "ide")) {
2346 max_devs
= MAX_IDE_DEVS
;
2347 } else if (!strcmp(buf
, "scsi")) {
2349 max_devs
= MAX_SCSI_DEVS
;
2350 } else if (!strcmp(buf
, "floppy")) {
2353 } else if (!strcmp(buf
, "pflash")) {
2356 } else if (!strcmp(buf
, "mtd")) {
2359 } else if (!strcmp(buf
, "sd")) {
2362 } else if (!strcmp(buf
, "virtio")) {
2366 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2371 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2372 index
= strtol(buf
, NULL
, 0);
2374 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2379 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2380 cyls
= strtol(buf
, NULL
, 0);
2383 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2384 heads
= strtol(buf
, NULL
, 0);
2387 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2388 secs
= strtol(buf
, NULL
, 0);
2391 if (cyls
|| heads
|| secs
) {
2392 if (cyls
< 1 || cyls
> 16383) {
2393 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2396 if (heads
< 1 || heads
> 16) {
2397 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2400 if (secs
< 1 || secs
> 63) {
2401 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2406 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2409 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2413 if (!strcmp(buf
, "none"))
2414 translation
= BIOS_ATA_TRANSLATION_NONE
;
2415 else if (!strcmp(buf
, "lba"))
2416 translation
= BIOS_ATA_TRANSLATION_LBA
;
2417 else if (!strcmp(buf
, "auto"))
2418 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2420 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2425 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2426 if (!strcmp(buf
, "disk")) {
2428 } else if (!strcmp(buf
, "cdrom")) {
2429 if (cyls
|| secs
|| heads
) {
2431 "qemu: '%s' invalid physical CHS format\n", str
);
2434 media
= MEDIA_CDROM
;
2436 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2441 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2442 if (!strcmp(buf
, "on"))
2444 else if (!strcmp(buf
, "off"))
2447 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2452 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2453 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2455 else if (!strcmp(buf
, "writethrough"))
2457 else if (!strcmp(buf
, "writeback"))
2460 fprintf(stderr
, "qemu: invalid cache option\n");
2465 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2466 if (strcmp(buf
, "?") == 0) {
2467 fprintf(stderr
, "qemu: Supported formats:");
2468 bdrv_iterate_format(bdrv_format_print
, NULL
);
2469 fprintf(stderr
, "\n");
2472 drv
= bdrv_find_format(buf
);
2474 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2479 if (arg
->file
== NULL
)
2480 get_param_value(file
, sizeof(file
), "file", str
);
2482 pstrcpy(file
, sizeof(file
), arg
->file
);
2484 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2485 memset(serial
, 0, sizeof(serial
));
2487 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2488 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2489 if (type
!= IF_IDE
&& type
!= IF_SCSI
&& type
!= IF_VIRTIO
) {
2490 fprintf(stderr
, "werror is no supported by this format\n");
2493 if (!strcmp(buf
, "ignore"))
2494 onerror
= BLOCK_ERR_IGNORE
;
2495 else if (!strcmp(buf
, "enospc"))
2496 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2497 else if (!strcmp(buf
, "stop"))
2498 onerror
= BLOCK_ERR_STOP_ANY
;
2499 else if (!strcmp(buf
, "report"))
2500 onerror
= BLOCK_ERR_REPORT
;
2502 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2507 /* compute bus and unit according index */
2510 if (bus_id
!= 0 || unit_id
!= -1) {
2512 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2520 unit_id
= index
% max_devs
;
2521 bus_id
= index
/ max_devs
;
2525 /* if user doesn't specify a unit_id,
2526 * try to find the first free
2529 if (unit_id
== -1) {
2531 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2533 if (max_devs
&& unit_id
>= max_devs
) {
2534 unit_id
-= max_devs
;
2542 if (max_devs
&& unit_id
>= max_devs
) {
2543 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2544 str
, unit_id
, max_devs
- 1);
2549 * ignore multiple definitions
2552 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2557 if (type
== IF_IDE
|| type
== IF_SCSI
)
2558 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2560 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2561 devname
, bus_id
, mediastr
, unit_id
);
2563 snprintf(buf
, sizeof(buf
), "%s%s%i",
2564 devname
, mediastr
, unit_id
);
2565 bdrv
= bdrv_new(buf
);
2566 drives_table_idx
= drive_get_free_idx();
2567 drives_table
[drives_table_idx
].bdrv
= bdrv
;
2568 drives_table
[drives_table_idx
].type
= type
;
2569 drives_table
[drives_table_idx
].bus
= bus_id
;
2570 drives_table
[drives_table_idx
].unit
= unit_id
;
2571 drives_table
[drives_table_idx
].onerror
= onerror
;
2572 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
2573 strncpy(drives_table
[nb_drives
].serial
, serial
, sizeof(serial
));
2582 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2583 bdrv_set_translation_hint(bdrv
, translation
);
2587 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2592 /* FIXME: This isn't really a floppy, but it's a reasonable
2595 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2606 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2607 cache
= 2; /* always use write-back with snapshot */
2609 if (cache
== 0) /* no caching */
2610 bdrv_flags
|= BDRV_O_NOCACHE
;
2611 else if (cache
== 2) /* write-back */
2612 bdrv_flags
|= BDRV_O_CACHE_WB
;
2613 else if (cache
== 3) /* not specified */
2614 bdrv_flags
|= BDRV_O_CACHE_DEF
;
2615 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0) {
2616 fprintf(stderr
, "qemu: could not open disk image %s\n",
2620 if (bdrv_key_required(bdrv
))
2622 return drives_table_idx
;
2625 /***********************************************************/
2628 static USBPort
*used_usb_ports
;
2629 static USBPort
*free_usb_ports
;
2631 /* ??? Maybe change this to register a hub to keep track of the topology. */
2632 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2633 usb_attachfn attach
)
2635 port
->opaque
= opaque
;
2636 port
->index
= index
;
2637 port
->attach
= attach
;
2638 port
->next
= free_usb_ports
;
2639 free_usb_ports
= port
;
2642 int usb_device_add_dev(USBDevice
*dev
)
2646 /* Find a USB port to add the device to. */
2647 port
= free_usb_ports
;
2651 /* Create a new hub and chain it on. */
2652 free_usb_ports
= NULL
;
2653 port
->next
= used_usb_ports
;
2654 used_usb_ports
= port
;
2656 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2657 usb_attach(port
, hub
);
2658 port
= free_usb_ports
;
2661 free_usb_ports
= port
->next
;
2662 port
->next
= used_usb_ports
;
2663 used_usb_ports
= port
;
2664 usb_attach(port
, dev
);
2668 static void usb_msd_password_cb(void *opaque
, int err
)
2670 USBDevice
*dev
= opaque
;
2673 usb_device_add_dev(dev
);
2675 dev
->handle_destroy(dev
);
2678 static int usb_device_add(const char *devname
, int is_hotplug
)
2683 if (!free_usb_ports
)
2686 if (strstart(devname
, "host:", &p
)) {
2687 dev
= usb_host_device_open(p
);
2688 } else if (!strcmp(devname
, "mouse")) {
2689 dev
= usb_mouse_init();
2690 } else if (!strcmp(devname
, "tablet")) {
2691 dev
= usb_tablet_init();
2692 } else if (!strcmp(devname
, "keyboard")) {
2693 dev
= usb_keyboard_init();
2694 } else if (strstart(devname
, "disk:", &p
)) {
2695 BlockDriverState
*bs
;
2697 dev
= usb_msd_init(p
);
2700 bs
= usb_msd_get_bdrv(dev
);
2701 if (bdrv_key_required(bs
)) {
2704 monitor_read_bdrv_key_start(cur_mon
, bs
, usb_msd_password_cb
,
2709 } else if (!strcmp(devname
, "wacom-tablet")) {
2710 dev
= usb_wacom_init();
2711 } else if (strstart(devname
, "serial:", &p
)) {
2712 dev
= usb_serial_init(p
);
2713 #ifdef CONFIG_BRLAPI
2714 } else if (!strcmp(devname
, "braille")) {
2715 dev
= usb_baum_init();
2717 } else if (strstart(devname
, "net:", &p
)) {
2720 if (net_client_init("nic", p
) < 0)
2722 nd_table
[nic
].model
= "usb";
2723 dev
= usb_net_init(&nd_table
[nic
]);
2724 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2725 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2726 bt_new_hci(qemu_find_bt_vlan(0)));
2733 return usb_device_add_dev(dev
);
2736 int usb_device_del_addr(int bus_num
, int addr
)
2742 if (!used_usb_ports
)
2748 lastp
= &used_usb_ports
;
2749 port
= used_usb_ports
;
2750 while (port
&& port
->dev
->addr
!= addr
) {
2751 lastp
= &port
->next
;
2759 *lastp
= port
->next
;
2760 usb_attach(port
, NULL
);
2761 dev
->handle_destroy(dev
);
2762 port
->next
= free_usb_ports
;
2763 free_usb_ports
= port
;
2767 static int usb_device_del(const char *devname
)
2772 if (strstart(devname
, "host:", &p
))
2773 return usb_host_device_close(p
);
2775 if (!used_usb_ports
)
2778 p
= strchr(devname
, '.');
2781 bus_num
= strtoul(devname
, NULL
, 0);
2782 addr
= strtoul(p
+ 1, NULL
, 0);
2784 return usb_device_del_addr(bus_num
, addr
);
2787 void do_usb_add(Monitor
*mon
, const char *devname
)
2789 usb_device_add(devname
, 1);
2792 void do_usb_del(Monitor
*mon
, const char *devname
)
2794 usb_device_del(devname
);
2797 void usb_info(Monitor
*mon
)
2801 const char *speed_str
;
2804 monitor_printf(mon
, "USB support not enabled\n");
2808 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2812 switch(dev
->speed
) {
2816 case USB_SPEED_FULL
:
2819 case USB_SPEED_HIGH
:
2826 monitor_printf(mon
, " Device %d.%d, Speed %s Mb/s, Product %s\n",
2827 0, dev
->addr
, speed_str
, dev
->devname
);
2831 /***********************************************************/
2832 /* PCMCIA/Cardbus */
2834 static struct pcmcia_socket_entry_s
{
2835 struct pcmcia_socket_s
*socket
;
2836 struct pcmcia_socket_entry_s
*next
;
2837 } *pcmcia_sockets
= 0;
2839 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2841 struct pcmcia_socket_entry_s
*entry
;
2843 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2844 entry
->socket
= socket
;
2845 entry
->next
= pcmcia_sockets
;
2846 pcmcia_sockets
= entry
;
2849 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2851 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2853 ptr
= &pcmcia_sockets
;
2854 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2855 if (entry
->socket
== socket
) {
2861 void pcmcia_info(Monitor
*mon
)
2863 struct pcmcia_socket_entry_s
*iter
;
2865 if (!pcmcia_sockets
)
2866 monitor_printf(mon
, "No PCMCIA sockets\n");
2868 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2869 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
2870 iter
->socket
->attached
? iter
->socket
->card_string
:
2874 /***********************************************************/
2875 /* register display */
2877 void register_displaystate(DisplayState
*ds
)
2887 DisplayState
*get_displaystate(void)
2889 return display_state
;
2894 static void dumb_display_init(void)
2896 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2897 ds
->surface
= qemu_create_displaysurface(640, 480, 32, 640 * 4);
2898 register_displaystate(ds
);
2901 /***********************************************************/
2904 #define MAX_IO_HANDLERS 64
2906 typedef struct IOHandlerRecord
{
2908 IOCanRWHandler
*fd_read_poll
;
2910 IOHandler
*fd_write
;
2913 /* temporary data */
2915 struct IOHandlerRecord
*next
;
2918 static IOHandlerRecord
*first_io_handler
;
2920 /* XXX: fd_read_poll should be suppressed, but an API change is
2921 necessary in the character devices to suppress fd_can_read(). */
2922 int qemu_set_fd_handler2(int fd
,
2923 IOCanRWHandler
*fd_read_poll
,
2925 IOHandler
*fd_write
,
2928 IOHandlerRecord
**pioh
, *ioh
;
2930 if (!fd_read
&& !fd_write
) {
2931 pioh
= &first_io_handler
;
2936 if (ioh
->fd
== fd
) {
2943 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2947 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2948 ioh
->next
= first_io_handler
;
2949 first_io_handler
= ioh
;
2952 ioh
->fd_read_poll
= fd_read_poll
;
2953 ioh
->fd_read
= fd_read
;
2954 ioh
->fd_write
= fd_write
;
2955 ioh
->opaque
= opaque
;
2961 int qemu_set_fd_handler(int fd
,
2963 IOHandler
*fd_write
,
2966 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2970 /***********************************************************/
2971 /* Polling handling */
2973 typedef struct PollingEntry
{
2976 struct PollingEntry
*next
;
2979 static PollingEntry
*first_polling_entry
;
2981 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2983 PollingEntry
**ppe
, *pe
;
2984 pe
= qemu_mallocz(sizeof(PollingEntry
));
2986 pe
->opaque
= opaque
;
2987 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
2992 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
2994 PollingEntry
**ppe
, *pe
;
2995 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
2997 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
3005 /***********************************************************/
3006 /* Wait objects support */
3007 typedef struct WaitObjects
{
3009 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
3010 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
3011 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
3014 static WaitObjects wait_objects
= {0};
3016 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3018 WaitObjects
*w
= &wait_objects
;
3020 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
3022 w
->events
[w
->num
] = handle
;
3023 w
->func
[w
->num
] = func
;
3024 w
->opaque
[w
->num
] = opaque
;
3029 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3032 WaitObjects
*w
= &wait_objects
;
3035 for (i
= 0; i
< w
->num
; i
++) {
3036 if (w
->events
[i
] == handle
)
3039 w
->events
[i
] = w
->events
[i
+ 1];
3040 w
->func
[i
] = w
->func
[i
+ 1];
3041 w
->opaque
[i
] = w
->opaque
[i
+ 1];
3049 /***********************************************************/
3050 /* ram save/restore */
3052 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3056 v
= qemu_get_byte(f
);
3059 if (qemu_get_buffer(f
, buf
, len
) != len
)
3063 v
= qemu_get_byte(f
);
3064 memset(buf
, v
, len
);
3070 if (qemu_file_has_error(f
))
3076 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3081 if (qemu_get_be32(f
) != phys_ram_size
)
3083 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
3084 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
3091 #define BDRV_HASH_BLOCK_SIZE 1024
3092 #define IOBUF_SIZE 4096
3093 #define RAM_CBLOCK_MAGIC 0xfabe
3095 typedef struct RamDecompressState
{
3098 uint8_t buf
[IOBUF_SIZE
];
3099 } RamDecompressState
;
3101 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3104 memset(s
, 0, sizeof(*s
));
3106 ret
= inflateInit(&s
->zstream
);
3112 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3116 s
->zstream
.avail_out
= len
;
3117 s
->zstream
.next_out
= buf
;
3118 while (s
->zstream
.avail_out
> 0) {
3119 if (s
->zstream
.avail_in
== 0) {
3120 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3122 clen
= qemu_get_be16(s
->f
);
3123 if (clen
> IOBUF_SIZE
)
3125 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3126 s
->zstream
.avail_in
= clen
;
3127 s
->zstream
.next_in
= s
->buf
;
3129 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3130 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3137 static void ram_decompress_close(RamDecompressState
*s
)
3139 inflateEnd(&s
->zstream
);
3142 #define RAM_SAVE_FLAG_FULL 0x01
3143 #define RAM_SAVE_FLAG_COMPRESS 0x02
3144 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3145 #define RAM_SAVE_FLAG_PAGE 0x08
3146 #define RAM_SAVE_FLAG_EOS 0x10
3148 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3150 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3151 uint32_t *array
= (uint32_t *)page
;
3154 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3155 if (array
[i
] != val
)
3162 static int ram_save_block(QEMUFile
*f
)
3164 static ram_addr_t current_addr
= 0;
3165 ram_addr_t saved_addr
= current_addr
;
3166 ram_addr_t addr
= 0;
3169 while (addr
< phys_ram_size
) {
3170 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3173 cpu_physical_memory_reset_dirty(current_addr
,
3174 current_addr
+ TARGET_PAGE_SIZE
,
3175 MIGRATION_DIRTY_FLAG
);
3177 ch
= *(phys_ram_base
+ current_addr
);
3179 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
3180 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3181 qemu_put_byte(f
, ch
);
3183 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3184 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
3190 addr
+= TARGET_PAGE_SIZE
;
3191 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
3197 static ram_addr_t ram_save_threshold
= 10;
3199 static ram_addr_t
ram_save_remaining(void)
3202 ram_addr_t count
= 0;
3204 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3205 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3212 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3217 /* Make sure all dirty bits are set */
3218 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3219 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3220 cpu_physical_memory_set_dirty(addr
);
3223 /* Enable dirty memory tracking */
3224 cpu_physical_memory_set_dirty_tracking(1);
3226 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
3229 while (!qemu_file_rate_limit(f
)) {
3232 ret
= ram_save_block(f
);
3233 if (ret
== 0) /* no more blocks */
3237 /* try transferring iterative blocks of memory */
3240 cpu_physical_memory_set_dirty_tracking(0);
3242 /* flush all remaining blocks regardless of rate limiting */
3243 while (ram_save_block(f
) != 0);
3246 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3248 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
3251 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3253 RamDecompressState s1
, *s
= &s1
;
3257 if (ram_decompress_open(s
, f
) < 0)
3259 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3260 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3261 fprintf(stderr
, "Error while reading ram block header\n");
3265 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
3266 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3271 printf("Error block header\n");
3275 ram_decompress_close(s
);
3280 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3285 if (version_id
== 1)
3286 return ram_load_v1(f
, opaque
);
3288 if (version_id
== 2) {
3289 if (qemu_get_be32(f
) != phys_ram_size
)
3291 return ram_load_dead(f
, opaque
);
3294 if (version_id
!= 3)
3298 addr
= qemu_get_be64(f
);
3300 flags
= addr
& ~TARGET_PAGE_MASK
;
3301 addr
&= TARGET_PAGE_MASK
;
3303 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3304 if (addr
!= phys_ram_size
)
3308 if (flags
& RAM_SAVE_FLAG_FULL
) {
3309 if (ram_load_dead(f
, opaque
) < 0)
3313 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3314 uint8_t ch
= qemu_get_byte(f
);
3315 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
3316 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3317 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
3318 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3323 void qemu_service_io(void)
3325 CPUState
*env
= cpu_single_env
;
3329 if (env
->kqemu_enabled
) {
3330 kqemu_cpu_interrupt(env
);
3336 /***********************************************************/
3337 /* bottom halves (can be seen as timers which expire ASAP) */
3348 static QEMUBH
*first_bh
= NULL
;
3350 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3353 bh
= qemu_mallocz(sizeof(QEMUBH
));
3355 bh
->opaque
= opaque
;
3356 bh
->next
= first_bh
;
3361 int qemu_bh_poll(void)
3367 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3368 if (!bh
->deleted
&& bh
->scheduled
) {
3377 /* remove deleted bhs */
3391 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3399 void qemu_bh_schedule(QEMUBH
*bh
)
3401 CPUState
*env
= cpu_single_env
;
3406 /* stop the currently executing CPU to execute the BH ASAP */
3412 void qemu_bh_cancel(QEMUBH
*bh
)
3417 void qemu_bh_delete(QEMUBH
*bh
)
3423 static void qemu_bh_update_timeout(int *timeout
)
3427 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3428 if (!bh
->deleted
&& bh
->scheduled
) {
3430 /* idle bottom halves will be polled at least
3432 *timeout
= MIN(10, *timeout
);
3434 /* non-idle bottom halves will be executed
3443 /***********************************************************/
3444 /* machine registration */
3446 static QEMUMachine
*first_machine
= NULL
;
3447 QEMUMachine
*current_machine
= NULL
;
3449 int qemu_register_machine(QEMUMachine
*m
)
3452 pm
= &first_machine
;
3460 static QEMUMachine
*find_machine(const char *name
)
3464 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3465 if (!strcmp(m
->name
, name
))
3471 /***********************************************************/
3472 /* main execution loop */
3474 static void gui_update(void *opaque
)
3476 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3477 DisplayState
*ds
= opaque
;
3478 DisplayChangeListener
*dcl
= ds
->listeners
;
3482 while (dcl
!= NULL
) {
3483 if (dcl
->gui_timer_interval
&&
3484 dcl
->gui_timer_interval
< interval
)
3485 interval
= dcl
->gui_timer_interval
;
3488 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3491 static void nographic_update(void *opaque
)
3493 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3495 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3498 struct vm_change_state_entry
{
3499 VMChangeStateHandler
*cb
;
3501 LIST_ENTRY (vm_change_state_entry
) entries
;
3504 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3506 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3509 VMChangeStateEntry
*e
;
3511 e
= qemu_mallocz(sizeof (*e
));
3515 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3519 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3521 LIST_REMOVE (e
, entries
);
3525 static void vm_state_notify(int running
, int reason
)
3527 VMChangeStateEntry
*e
;
3529 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3530 e
->cb(e
->opaque
, running
, reason
);
3539 vm_state_notify(1, 0);
3540 qemu_rearm_alarm_timer(alarm_timer
);
3544 void vm_stop(int reason
)
3547 cpu_disable_ticks();
3549 vm_state_notify(0, reason
);
3553 /* reset/shutdown handler */
3555 typedef struct QEMUResetEntry
{
3556 QEMUResetHandler
*func
;
3558 struct QEMUResetEntry
*next
;
3561 static QEMUResetEntry
*first_reset_entry
;
3562 static int reset_requested
;
3563 static int shutdown_requested
;
3564 static int powerdown_requested
;
3566 int qemu_shutdown_requested(void)
3568 int r
= shutdown_requested
;
3569 shutdown_requested
= 0;
3573 int qemu_reset_requested(void)
3575 int r
= reset_requested
;
3576 reset_requested
= 0;
3580 int qemu_powerdown_requested(void)
3582 int r
= powerdown_requested
;
3583 powerdown_requested
= 0;
3587 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3589 QEMUResetEntry
**pre
, *re
;
3591 pre
= &first_reset_entry
;
3592 while (*pre
!= NULL
)
3593 pre
= &(*pre
)->next
;
3594 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3596 re
->opaque
= opaque
;
3601 void qemu_system_reset(void)
3605 /* reset all devices */
3606 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3607 re
->func(re
->opaque
);
3611 void qemu_system_reset_request(void)
3614 shutdown_requested
= 1;
3616 reset_requested
= 1;
3619 cpu_exit(cpu_single_env
);
3622 void qemu_system_shutdown_request(void)
3624 shutdown_requested
= 1;
3626 cpu_exit(cpu_single_env
);
3629 void qemu_system_powerdown_request(void)
3631 powerdown_requested
= 1;
3633 cpu_exit(cpu_single_env
);
3637 static void host_main_loop_wait(int *timeout
)
3643 /* XXX: need to suppress polling by better using win32 events */
3645 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
3646 ret
|= pe
->func(pe
->opaque
);
3650 WaitObjects
*w
= &wait_objects
;
3652 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
3653 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
3654 if (w
->func
[ret
- WAIT_OBJECT_0
])
3655 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
3657 /* Check for additional signaled events */
3658 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
3660 /* Check if event is signaled */
3661 ret2
= WaitForSingleObject(w
->events
[i
], 0);
3662 if(ret2
== WAIT_OBJECT_0
) {
3664 w
->func
[i
](w
->opaque
[i
]);
3665 } else if (ret2
== WAIT_TIMEOUT
) {
3667 err
= GetLastError();
3668 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
3671 } else if (ret
== WAIT_TIMEOUT
) {
3673 err
= GetLastError();
3674 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
3681 static void host_main_loop_wait(int *timeout
)
3686 void main_loop_wait(int timeout
)
3688 IOHandlerRecord
*ioh
;
3689 fd_set rfds
, wfds
, xfds
;
3693 qemu_bh_update_timeout(&timeout
);
3695 host_main_loop_wait(&timeout
);
3697 /* poll any events */
3698 /* XXX: separate device handlers from system ones */
3703 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3707 (!ioh
->fd_read_poll
||
3708 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
3709 FD_SET(ioh
->fd
, &rfds
);
3713 if (ioh
->fd_write
) {
3714 FD_SET(ioh
->fd
, &wfds
);
3720 tv
.tv_sec
= timeout
/ 1000;
3721 tv
.tv_usec
= (timeout
% 1000) * 1000;
3723 #if defined(CONFIG_SLIRP)
3724 if (slirp_is_inited()) {
3725 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
3728 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
3730 IOHandlerRecord
**pioh
;
3732 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3733 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
3734 ioh
->fd_read(ioh
->opaque
);
3736 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
3737 ioh
->fd_write(ioh
->opaque
);
3741 /* remove deleted IO handlers */
3742 pioh
= &first_io_handler
;
3752 #if defined(CONFIG_SLIRP)
3753 if (slirp_is_inited()) {
3759 slirp_select_poll(&rfds
, &wfds
, &xfds
);
3763 /* vm time timers */
3764 if (vm_running
&& likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
3765 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
3766 qemu_get_clock(vm_clock
));
3768 /* real time timers */
3769 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
3770 qemu_get_clock(rt_clock
));
3772 /* Check bottom-halves last in case any of the earlier events triggered
3778 static int main_loop(void)
3781 #ifdef CONFIG_PROFILER
3786 cur_cpu
= first_cpu
;
3787 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
3794 #ifdef CONFIG_PROFILER
3795 ti
= profile_getclock();
3800 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
3801 env
->icount_decr
.u16
.low
= 0;
3802 env
->icount_extra
= 0;
3803 count
= qemu_next_deadline();
3804 count
= (count
+ (1 << icount_time_shift
) - 1)
3805 >> icount_time_shift
;
3806 qemu_icount
+= count
;
3807 decr
= (count
> 0xffff) ? 0xffff : count
;
3809 env
->icount_decr
.u16
.low
= decr
;
3810 env
->icount_extra
= count
;
3812 ret
= cpu_exec(env
);
3813 #ifdef CONFIG_PROFILER
3814 qemu_time
+= profile_getclock() - ti
;
3817 /* Fold pending instructions back into the
3818 instruction counter, and clear the interrupt flag. */
3819 qemu_icount
-= (env
->icount_decr
.u16
.low
3820 + env
->icount_extra
);
3821 env
->icount_decr
.u32
= 0;
3822 env
->icount_extra
= 0;
3824 next_cpu
= env
->next_cpu
?: first_cpu
;
3825 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
3826 ret
= EXCP_INTERRUPT
;
3830 if (ret
== EXCP_HLT
) {
3831 /* Give the next CPU a chance to run. */
3835 if (ret
!= EXCP_HALTED
)
3837 /* all CPUs are halted ? */
3843 if (shutdown_requested
) {
3844 ret
= EXCP_INTERRUPT
;
3852 if (reset_requested
) {
3853 reset_requested
= 0;
3854 qemu_system_reset();
3855 ret
= EXCP_INTERRUPT
;
3857 if (powerdown_requested
) {
3858 powerdown_requested
= 0;
3859 qemu_system_powerdown();
3860 ret
= EXCP_INTERRUPT
;
3862 if (unlikely(ret
== EXCP_DEBUG
)) {
3863 gdb_set_stop_cpu(cur_cpu
);
3864 vm_stop(EXCP_DEBUG
);
3866 /* If all cpus are halted then wait until the next IRQ */
3867 /* XXX: use timeout computed from timers */
3868 if (ret
== EXCP_HALTED
) {
3872 /* Advance virtual time to the next event. */
3873 if (use_icount
== 1) {
3874 /* When not using an adaptive execution frequency
3875 we tend to get badly out of sync with real time,
3876 so just delay for a reasonable amount of time. */
3879 delta
= cpu_get_icount() - cpu_get_clock();
3882 /* If virtual time is ahead of real time then just
3884 timeout
= (delta
/ 1000000) + 1;
3886 /* Wait for either IO to occur or the next
3888 add
= qemu_next_deadline();
3889 /* We advance the timer before checking for IO.
3890 Limit the amount we advance so that early IO
3891 activity won't get the guest too far ahead. */
3895 add
= (add
+ (1 << icount_time_shift
) - 1)
3896 >> icount_time_shift
;
3898 timeout
= delta
/ 1000000;
3909 if (shutdown_requested
) {
3910 ret
= EXCP_INTERRUPT
;
3915 #ifdef CONFIG_PROFILER
3916 ti
= profile_getclock();
3918 main_loop_wait(timeout
);
3919 #ifdef CONFIG_PROFILER
3920 dev_time
+= profile_getclock() - ti
;
3923 cpu_disable_ticks();
3927 static void help(int exitcode
)
3929 /* Please keep in synch with QEMU_OPTION_ enums, qemu_options[]
3930 and qemu-doc.texi */
3931 printf("QEMU PC emulator version " QEMU_VERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n"
3932 "usage: %s [options] [disk_image]\n"
3934 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3936 "Standard options:\n"
3937 "-h or -help display this help and exit\n"
3938 "-M machine select emulated machine (-M ? for list)\n"
3939 "-cpu cpu select CPU (-cpu ? for list)\n"
3940 "-smp n set the number of CPUs to 'n' [default=1]\n"
3941 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3942 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3943 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3944 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3945 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
3946 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
3947 " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
3948 " use 'file' as a drive image\n"
3949 "-mtdblock file use 'file' as on-board Flash memory image\n"
3950 "-sd file use 'file' as SecureDigital card image\n"
3951 "-pflash file use 'file' as a parallel flash image\n"
3952 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
3953 "-snapshot write to temporary files instead of disk image files\n"
3954 "-m megs set virtual RAM size to megs MB [default=%d]\n"
3956 "-k language use keyboard layout (for example \"fr\" for French)\n"
3959 "-audio-help print list of audio drivers and their options\n"
3960 "-soundhw c1,... enable audio support\n"
3961 " and only specified sound cards (comma separated list)\n"
3962 " use -soundhw ? to get the list of supported cards\n"
3963 " use -soundhw all to enable all of them\n"
3965 "-usb enable the USB driver (will be the default soon)\n"
3966 "-usbdevice name add the host or guest USB device 'name'\n"
3967 "-name string set the name of the guest\n"
3968 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x\n"
3969 " specify machine UUID\n"
3971 "Display options:\n"
3972 "-nographic disable graphical output and redirect serial I/Os to console\n"
3973 #ifdef CONFIG_CURSES
3974 "-curses use a curses/ncurses interface instead of SDL\n"
3977 "-no-frame open SDL window without a frame and window decorations\n"
3978 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
3979 "-no-quit disable SDL window close capability\n"
3982 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
3983 "-vga [std|cirrus|vmware|none]\n"
3984 " select video card type\n"
3985 "-full-screen start in full screen\n"
3986 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3987 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
3989 "-vnc display start a VNC server on display\n"
3991 "Network options:\n"
3992 "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
3993 " create a new Network Interface Card and connect it to VLAN 'n'\n"
3995 "-net user[,vlan=n][,name=str][,hostname=host]\n"
3996 " connect the user mode network stack to VLAN 'n' and send\n"
3997 " hostname 'host' to DHCP clients\n"
4000 "-net tap[,vlan=n][,name=str],ifname=name\n"
4001 " connect the host TAP network interface to VLAN 'n'\n"
4003 "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4004 " connect the host TAP network interface to VLAN 'n' and use the\n"
4005 " network scripts 'file' (default=%s)\n"
4006 " and 'dfile' (default=%s);\n"
4007 " use '[down]script=no' to disable script execution;\n"
4008 " use 'fd=h' to connect to an already opened TAP interface\n"
4010 "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4011 " connect the vlan 'n' to another VLAN using a socket connection\n"
4012 "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n"
4013 " connect the vlan 'n' to multicast maddr and port\n"
4015 "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4016 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4017 " on host and listening for incoming connections on 'socketpath'.\n"
4018 " Use group 'groupname' and mode 'octalmode' to change default\n"
4019 " ownership and permissions for communication port.\n"
4021 "-net none use it alone to have zero network devices; if no -net option\n"
4022 " is provided, the default is '-net nic -net user'\n"
4024 "-tftp dir allow tftp access to files in dir [-net user]\n"
4025 "-bootp file advertise file in BOOTP replies\n"
4027 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4029 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4030 " redirect TCP or UDP connections from host to guest [-net user]\n"
4033 "-bt hci,null dumb bluetooth HCI - doesn't respond to commands\n"
4034 "-bt hci,host[:id]\n"
4035 " use host's HCI with the given name\n"
4036 "-bt hci[,vlan=n]\n"
4037 " emulate a standard HCI in virtual scatternet 'n'\n"
4038 "-bt vhci[,vlan=n]\n"
4039 " add host computer to virtual scatternet 'n' using VHCI\n"
4040 "-bt device:dev[,vlan=n]\n"
4041 " emulate a bluetooth device 'dev' in scatternet 'n'\n"
4045 "i386 target only:\n"
4046 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4047 "-rtc-td-hack use it to fix time drift in Windows ACPI HAL\n"
4048 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4049 "-no-acpi disable ACPI\n"
4050 "-no-hpet disable HPET\n"
4051 "-acpitable [sig=str][,rev=n][,oem_id=str][,oem_table_id=str][,oem_rev=n][,asl_compiler_id=str][,asl_compiler_rev=n][,data=file1[:file2]...]\n"
4052 " ACPI table description\n"
4054 "Linux boot specific:\n"
4055 "-kernel bzImage use 'bzImage' as kernel image\n"
4056 "-append cmdline use 'cmdline' as kernel command line\n"
4057 "-initrd file use 'file' as initial ram disk\n"
4059 "Debug/Expert options:\n"
4060 "-serial dev redirect the serial port to char device 'dev'\n"
4061 "-parallel dev redirect the parallel port to char device 'dev'\n"
4062 "-monitor dev redirect the monitor to char device 'dev'\n"
4063 "-pidfile file write PID to 'file'\n"
4064 "-S freeze CPU at startup (use 'c' to start execution)\n"
4065 "-s wait gdb connection to port\n"
4066 "-p port set gdb connection port [default=%s]\n"
4067 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4068 "-hdachs c,h,s[,t]\n"
4069 " force hard disk 0 physical geometry and the optional BIOS\n"
4070 " translation (t=none or lba) (usually qemu can guess them)\n"
4071 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4072 "-bios file set the filename for the BIOS\n"
4074 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4075 "-no-kqemu disable KQEMU kernel module usage\n"
4078 "-enable-kvm enable KVM full virtualization support\n"
4080 "-no-reboot exit instead of rebooting\n"
4081 "-no-shutdown stop before shutdown\n"
4082 "-loadvm [tag|id]\n"
4083 " start right away with a saved state (loadvm in monitor)\n"
4085 "-daemonize daemonize QEMU after initializing\n"
4087 "-option-rom rom load a file, rom, into the option ROM space\n"
4088 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4089 "-prom-env variable=value\n"
4090 " set OpenBIOS nvram variables\n"
4092 "-clock force the use of the given methods for timer alarm.\n"
4093 " To see what timers are available use -clock ?\n"
4094 "-localtime set the real time clock to local time [default=utc]\n"
4095 "-startdate select initial date of the clock\n"
4096 "-icount [N|auto]\n"
4097 " enable virtual instruction counter with 2^N clock ticks per instruction\n"
4098 "-echr chr set terminal escape character instead of ctrl-a\n"
4099 "-virtioconsole c\n"
4100 " set virtio console\n"
4101 "-show-cursor show cursor\n"
4102 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4103 "-semihosting semihosting mode\n"
4105 #if defined(TARGET_ARM)
4106 "-old-param old param mode\n"
4108 "-tb-size n set TB size\n"
4109 "-incoming p prepare for incoming migration, listen on port p\n"
4111 "-chroot dir Chroot to dir just before starting the VM.\n"
4112 "-runas user Change to user id user just before starting the VM.\n"
4115 "During emulation, the following keys are useful:\n"
4116 "ctrl-alt-f toggle full screen\n"
4117 "ctrl-alt-n switch to virtual console 'n'\n"
4118 "ctrl-alt toggle mouse and keyboard grab\n"
4120 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4125 DEFAULT_NETWORK_SCRIPT
,
4126 DEFAULT_NETWORK_DOWN_SCRIPT
,
4128 DEFAULT_GDBSTUB_PORT
,
4133 #define HAS_ARG 0x0001
4136 /* Please keep in synch with help, qemu_options[] and
4138 /* Standard options: */
4151 QEMU_OPTION_mtdblock
,
4155 QEMU_OPTION_snapshot
,
4158 QEMU_OPTION_audio_help
,
4159 QEMU_OPTION_soundhw
,
4161 QEMU_OPTION_usbdevice
,
4165 /* Display options: */
4166 QEMU_OPTION_nographic
,
4168 QEMU_OPTION_no_frame
,
4169 QEMU_OPTION_alt_grab
,
4170 QEMU_OPTION_no_quit
,
4172 QEMU_OPTION_portrait
,
4174 QEMU_OPTION_full_screen
,
4178 /* Network options: */
4186 /* i386 target only: */
4187 QEMU_OPTION_win2k_hack
,
4188 QEMU_OPTION_rtc_td_hack
,
4189 QEMU_OPTION_no_fd_bootchk
,
4190 QEMU_OPTION_no_acpi
,
4191 QEMU_OPTION_no_hpet
,
4192 QEMU_OPTION_acpitable
,
4194 /* Linux boot specific: */
4199 /* Debug/Expert options: */
4201 QEMU_OPTION_parallel
,
4202 QEMU_OPTION_monitor
,
4203 QEMU_OPTION_pidfile
,
4211 QEMU_OPTION_kernel_kqemu
,
4212 QEMU_OPTION_no_kqemu
,
4213 QEMU_OPTION_enable_kvm
,
4214 QEMU_OPTION_no_reboot
,
4215 QEMU_OPTION_no_shutdown
,
4217 QEMU_OPTION_daemonize
,
4218 QEMU_OPTION_option_rom
,
4219 QEMU_OPTION_prom_env
,
4221 QEMU_OPTION_localtime
,
4222 QEMU_OPTION_startdate
,
4225 QEMU_OPTION_virtiocon
,
4226 QEMU_OPTION_show_cursor
,
4227 QEMU_OPTION_semihosting
,
4228 QEMU_OPTION_old_param
,
4229 QEMU_OPTION_tb_size
,
4230 QEMU_OPTION_incoming
,
4235 typedef struct QEMUOption
{
4241 static const QEMUOption qemu_options
[] = {
4242 /* Please keep in synch with help, QEMU_OPTION_ enums, and
4244 /* Standard options: */
4245 { "h", 0, QEMU_OPTION_h
},
4246 { "help", 0, QEMU_OPTION_h
},
4247 { "M", HAS_ARG
, QEMU_OPTION_M
},
4248 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
4249 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
4250 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
4251 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
4252 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
4253 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
4254 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
4255 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
4256 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
4257 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
4258 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
4259 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
4260 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
4261 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
4262 { "snapshot", 0, QEMU_OPTION_snapshot
},
4263 { "m", HAS_ARG
, QEMU_OPTION_m
},
4265 { "k", HAS_ARG
, QEMU_OPTION_k
},
4268 { "audio-help", 0, QEMU_OPTION_audio_help
},
4269 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
4271 { "usb", 0, QEMU_OPTION_usb
},
4272 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
4273 { "name", HAS_ARG
, QEMU_OPTION_name
},
4274 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
4276 /* Display options: */
4277 { "nographic", 0, QEMU_OPTION_nographic
},
4278 #ifdef CONFIG_CURSES
4279 { "curses", 0, QEMU_OPTION_curses
},
4282 { "no-frame", 0, QEMU_OPTION_no_frame
},
4283 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
4284 { "no-quit", 0, QEMU_OPTION_no_quit
},
4285 { "sdl", 0, QEMU_OPTION_sdl
},
4287 { "portrait", 0, QEMU_OPTION_portrait
},
4288 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
4289 { "full-screen", 0, QEMU_OPTION_full_screen
},
4290 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4291 { "g", 1, QEMU_OPTION_g
},
4293 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
4295 /* Network options: */
4296 { "net", HAS_ARG
, QEMU_OPTION_net
},
4298 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
4299 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
4301 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
4303 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
4305 { "bt", HAS_ARG
, QEMU_OPTION_bt
},
4307 /* i386 target only: */
4308 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
4309 { "rtc-td-hack", 0, QEMU_OPTION_rtc_td_hack
},
4310 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
4311 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
4312 { "no-hpet", 0, QEMU_OPTION_no_hpet
},
4313 { "acpitable", HAS_ARG
, QEMU_OPTION_acpitable
},
4316 /* Linux boot specific: */
4317 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
4318 { "append", HAS_ARG
, QEMU_OPTION_append
},
4319 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
4321 /* Debug/Expert options: */
4322 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
4323 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
4324 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
4325 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
4326 { "S", 0, QEMU_OPTION_S
},
4327 { "s", 0, QEMU_OPTION_s
},
4328 { "p", HAS_ARG
, QEMU_OPTION_p
},
4329 { "d", HAS_ARG
, QEMU_OPTION_d
},
4330 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
4331 { "L", HAS_ARG
, QEMU_OPTION_L
},
4332 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
4334 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
4335 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
4338 { "enable-kvm", 0, QEMU_OPTION_enable_kvm
},
4340 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
4341 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
4342 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
4343 { "daemonize", 0, QEMU_OPTION_daemonize
},
4344 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
4345 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4346 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
4348 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
4349 { "localtime", 0, QEMU_OPTION_localtime
},
4350 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
4351 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
4352 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
4353 { "virtioconsole", HAS_ARG
, QEMU_OPTION_virtiocon
},
4354 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
4355 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4356 { "semihosting", 0, QEMU_OPTION_semihosting
},
4358 #if defined(TARGET_ARM)
4359 { "old-param", 0, QEMU_OPTION_old_param
},
4361 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
4362 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
4363 { "chroot", HAS_ARG
, QEMU_OPTION_chroot
},
4364 { "runas", HAS_ARG
, QEMU_OPTION_runas
},
4369 struct soundhw soundhw
[] = {
4370 #ifdef HAS_AUDIO_CHOICE
4371 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4377 { .init_isa
= pcspk_audio_init
}
4384 "Creative Sound Blaster 16",
4387 { .init_isa
= SB16_init
}
4391 #ifdef CONFIG_CS4231A
4397 { .init_isa
= cs4231a_init
}
4405 "Yamaha YMF262 (OPL3)",
4407 "Yamaha YM3812 (OPL2)",
4411 { .init_isa
= Adlib_init
}
4418 "Gravis Ultrasound GF1",
4421 { .init_isa
= GUS_init
}
4428 "Intel 82801AA AC97 Audio",
4431 { .init_pci
= ac97_init
}
4435 #ifdef CONFIG_ES1370
4438 "ENSONIQ AudioPCI ES1370",
4441 { .init_pci
= es1370_init
}
4445 #endif /* HAS_AUDIO_CHOICE */
4447 { NULL
, NULL
, 0, 0, { NULL
} }
4450 static void select_soundhw (const char *optarg
)
4454 if (*optarg
== '?') {
4457 printf ("Valid sound card names (comma separated):\n");
4458 for (c
= soundhw
; c
->name
; ++c
) {
4459 printf ("%-11s %s\n", c
->name
, c
->descr
);
4461 printf ("\n-soundhw all will enable all of the above\n");
4462 exit (*optarg
!= '?');
4470 if (!strcmp (optarg
, "all")) {
4471 for (c
= soundhw
; c
->name
; ++c
) {
4479 e
= strchr (p
, ',');
4480 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4482 for (c
= soundhw
; c
->name
; ++c
) {
4483 if (!strncmp (c
->name
, p
, l
)) {
4492 "Unknown sound card name (too big to show)\n");
4495 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4500 p
+= l
+ (e
!= NULL
);
4504 goto show_valid_cards
;
4509 static void select_vgahw (const char *p
)
4513 if (strstart(p
, "std", &opts
)) {
4514 std_vga_enabled
= 1;
4515 cirrus_vga_enabled
= 0;
4517 } else if (strstart(p
, "cirrus", &opts
)) {
4518 cirrus_vga_enabled
= 1;
4519 std_vga_enabled
= 0;
4521 } else if (strstart(p
, "vmware", &opts
)) {
4522 cirrus_vga_enabled
= 0;
4523 std_vga_enabled
= 0;
4525 } else if (strstart(p
, "none", &opts
)) {
4526 cirrus_vga_enabled
= 0;
4527 std_vga_enabled
= 0;
4531 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4535 const char *nextopt
;
4537 if (strstart(opts
, ",retrace=", &nextopt
)) {
4539 if (strstart(opts
, "dumb", &nextopt
))
4540 vga_retrace_method
= VGA_RETRACE_DUMB
;
4541 else if (strstart(opts
, "precise", &nextopt
))
4542 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4543 else goto invalid_vga
;
4544 } else goto invalid_vga
;
4550 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4552 exit(STATUS_CONTROL_C_EXIT
);
4557 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4561 if(strlen(str
) != 36)
4564 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4565 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4566 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4574 #define MAX_NET_CLIENTS 32
4578 static void termsig_handler(int signal
)
4580 qemu_system_shutdown_request();
4583 static void termsig_setup(void)
4585 struct sigaction act
;
4587 memset(&act
, 0, sizeof(act
));
4588 act
.sa_handler
= termsig_handler
;
4589 sigaction(SIGINT
, &act
, NULL
);
4590 sigaction(SIGHUP
, &act
, NULL
);
4591 sigaction(SIGTERM
, &act
, NULL
);
4596 int main(int argc
, char **argv
, char **envp
)
4598 #ifdef CONFIG_GDBSTUB
4600 const char *gdbstub_port
;
4602 uint32_t boot_devices_bitmap
= 0;
4604 int snapshot
, linux_boot
, net_boot
;
4605 const char *initrd_filename
;
4606 const char *kernel_filename
, *kernel_cmdline
;
4607 const char *boot_devices
= "";
4609 DisplayChangeListener
*dcl
;
4610 int cyls
, heads
, secs
, translation
;
4611 const char *net_clients
[MAX_NET_CLIENTS
];
4613 const char *bt_opts
[MAX_BT_CMDLINE
];
4617 const char *r
, *optarg
;
4618 CharDriverState
*monitor_hd
= NULL
;
4619 const char *monitor_device
;
4620 const char *serial_devices
[MAX_SERIAL_PORTS
];
4621 int serial_device_index
;
4622 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4623 int parallel_device_index
;
4624 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
4625 int virtio_console_index
;
4626 const char *loadvm
= NULL
;
4627 QEMUMachine
*machine
;
4628 const char *cpu_model
;
4629 const char *usb_devices
[MAX_USB_CMDLINE
];
4630 int usb_devices_index
;
4633 const char *pid_file
= NULL
;
4634 const char *incoming
= NULL
;
4636 struct passwd
*pwd
= NULL
;
4637 const char *chroot_dir
= NULL
;
4638 const char *run_as
= NULL
;
4640 qemu_cache_utils_init(envp
);
4642 LIST_INIT (&vm_change_state_head
);
4645 struct sigaction act
;
4646 sigfillset(&act
.sa_mask
);
4648 act
.sa_handler
= SIG_IGN
;
4649 sigaction(SIGPIPE
, &act
, NULL
);
4652 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
4653 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4654 QEMU to run on a single CPU */
4659 h
= GetCurrentProcess();
4660 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
4661 for(i
= 0; i
< 32; i
++) {
4662 if (mask
& (1 << i
))
4667 SetProcessAffinityMask(h
, mask
);
4673 register_machines();
4674 machine
= first_machine
;
4676 initrd_filename
= NULL
;
4678 vga_ram_size
= VGA_RAM_SIZE
;
4679 #ifdef CONFIG_GDBSTUB
4681 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
4686 kernel_filename
= NULL
;
4687 kernel_cmdline
= "";
4688 cyls
= heads
= secs
= 0;
4689 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4690 monitor_device
= "vc:80Cx24C";
4692 serial_devices
[0] = "vc:80Cx24C";
4693 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
4694 serial_devices
[i
] = NULL
;
4695 serial_device_index
= 0;
4697 parallel_devices
[0] = "vc:80Cx24C";
4698 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
4699 parallel_devices
[i
] = NULL
;
4700 parallel_device_index
= 0;
4702 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++)
4703 virtio_consoles
[i
] = NULL
;
4704 virtio_console_index
= 0;
4706 usb_devices_index
= 0;
4725 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
4727 const QEMUOption
*popt
;
4730 /* Treat --foo the same as -foo. */
4733 popt
= qemu_options
;
4736 fprintf(stderr
, "%s: invalid option -- '%s'\n",
4740 if (!strcmp(popt
->name
, r
+ 1))
4744 if (popt
->flags
& HAS_ARG
) {
4745 if (optind
>= argc
) {
4746 fprintf(stderr
, "%s: option '%s' requires an argument\n",
4750 optarg
= argv
[optind
++];
4755 switch(popt
->index
) {
4757 machine
= find_machine(optarg
);
4760 printf("Supported machines are:\n");
4761 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4762 printf("%-10s %s%s\n",
4764 m
== first_machine
? " (default)" : "");
4766 exit(*optarg
!= '?');
4769 case QEMU_OPTION_cpu
:
4770 /* hw initialization will check this */
4771 if (*optarg
== '?') {
4772 /* XXX: implement xxx_cpu_list for targets that still miss it */
4773 #if defined(cpu_list)
4774 cpu_list(stdout
, &fprintf
);
4781 case QEMU_OPTION_initrd
:
4782 initrd_filename
= optarg
;
4784 case QEMU_OPTION_hda
:
4786 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
4788 hda_index
= drive_add(optarg
, HD_ALIAS
4789 ",cyls=%d,heads=%d,secs=%d%s",
4790 0, cyls
, heads
, secs
,
4791 translation
== BIOS_ATA_TRANSLATION_LBA
?
4793 translation
== BIOS_ATA_TRANSLATION_NONE
?
4794 ",trans=none" : "");
4796 case QEMU_OPTION_hdb
:
4797 case QEMU_OPTION_hdc
:
4798 case QEMU_OPTION_hdd
:
4799 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
4801 case QEMU_OPTION_drive
:
4802 drive_add(NULL
, "%s", optarg
);
4804 case QEMU_OPTION_mtdblock
:
4805 drive_add(optarg
, MTD_ALIAS
);
4807 case QEMU_OPTION_sd
:
4808 drive_add(optarg
, SD_ALIAS
);
4810 case QEMU_OPTION_pflash
:
4811 drive_add(optarg
, PFLASH_ALIAS
);
4813 case QEMU_OPTION_snapshot
:
4816 case QEMU_OPTION_hdachs
:
4820 cyls
= strtol(p
, (char **)&p
, 0);
4821 if (cyls
< 1 || cyls
> 16383)
4826 heads
= strtol(p
, (char **)&p
, 0);
4827 if (heads
< 1 || heads
> 16)
4832 secs
= strtol(p
, (char **)&p
, 0);
4833 if (secs
< 1 || secs
> 63)
4837 if (!strcmp(p
, "none"))
4838 translation
= BIOS_ATA_TRANSLATION_NONE
;
4839 else if (!strcmp(p
, "lba"))
4840 translation
= BIOS_ATA_TRANSLATION_LBA
;
4841 else if (!strcmp(p
, "auto"))
4842 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4845 } else if (*p
!= '\0') {
4847 fprintf(stderr
, "qemu: invalid physical CHS format\n");
4850 if (hda_index
!= -1)
4851 snprintf(drives_opt
[hda_index
].opt
,
4852 sizeof(drives_opt
[hda_index
].opt
),
4853 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
4854 0, cyls
, heads
, secs
,
4855 translation
== BIOS_ATA_TRANSLATION_LBA
?
4857 translation
== BIOS_ATA_TRANSLATION_NONE
?
4858 ",trans=none" : "");
4861 case QEMU_OPTION_nographic
:
4864 #ifdef CONFIG_CURSES
4865 case QEMU_OPTION_curses
:
4869 case QEMU_OPTION_portrait
:
4872 case QEMU_OPTION_kernel
:
4873 kernel_filename
= optarg
;
4875 case QEMU_OPTION_append
:
4876 kernel_cmdline
= optarg
;
4878 case QEMU_OPTION_cdrom
:
4879 drive_add(optarg
, CDROM_ALIAS
);
4881 case QEMU_OPTION_boot
:
4882 boot_devices
= optarg
;
4883 /* We just do some generic consistency checks */
4885 /* Could easily be extended to 64 devices if needed */
4888 boot_devices_bitmap
= 0;
4889 for (p
= boot_devices
; *p
!= '\0'; p
++) {
4890 /* Allowed boot devices are:
4891 * a b : floppy disk drives
4892 * c ... f : IDE disk drives
4893 * g ... m : machine implementation dependant drives
4894 * n ... p : network devices
4895 * It's up to each machine implementation to check
4896 * if the given boot devices match the actual hardware
4897 * implementation and firmware features.
4899 if (*p
< 'a' || *p
> 'q') {
4900 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
4903 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
4905 "Boot device '%c' was given twice\n",*p
);
4908 boot_devices_bitmap
|= 1 << (*p
- 'a');
4912 case QEMU_OPTION_fda
:
4913 case QEMU_OPTION_fdb
:
4914 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
4917 case QEMU_OPTION_no_fd_bootchk
:
4921 case QEMU_OPTION_net
:
4922 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
4923 fprintf(stderr
, "qemu: too many network clients\n");
4926 net_clients
[nb_net_clients
] = optarg
;
4930 case QEMU_OPTION_tftp
:
4931 tftp_prefix
= optarg
;
4933 case QEMU_OPTION_bootp
:
4934 bootp_filename
= optarg
;
4937 case QEMU_OPTION_smb
:
4938 net_slirp_smb(optarg
);
4941 case QEMU_OPTION_redir
:
4942 net_slirp_redir(optarg
);
4945 case QEMU_OPTION_bt
:
4946 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
4947 fprintf(stderr
, "qemu: too many bluetooth options\n");
4950 bt_opts
[nb_bt_opts
++] = optarg
;
4953 case QEMU_OPTION_audio_help
:
4957 case QEMU_OPTION_soundhw
:
4958 select_soundhw (optarg
);
4964 case QEMU_OPTION_m
: {
4968 value
= strtoul(optarg
, &ptr
, 10);
4970 case 0: case 'M': case 'm':
4977 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
4981 /* On 32-bit hosts, QEMU is limited by virtual address space */
4982 if (value
> (2047 << 20)
4984 && HOST_LONG_BITS
== 32
4987 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4990 if (value
!= (uint64_t)(ram_addr_t
)value
) {
4991 fprintf(stderr
, "qemu: ram size too large\n");
5000 const CPULogItem
*item
;
5002 mask
= cpu_str_to_log_mask(optarg
);
5004 printf("Log items (comma separated):\n");
5005 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5006 printf("%-10s %s\n", item
->name
, item
->help
);
5013 #ifdef CONFIG_GDBSTUB
5018 gdbstub_port
= optarg
;
5024 case QEMU_OPTION_bios
:
5031 keyboard_layout
= optarg
;
5033 case QEMU_OPTION_localtime
:
5036 case QEMU_OPTION_vga
:
5037 select_vgahw (optarg
);
5044 w
= strtol(p
, (char **)&p
, 10);
5047 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5053 h
= strtol(p
, (char **)&p
, 10);
5058 depth
= strtol(p
, (char **)&p
, 10);
5059 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5060 depth
!= 24 && depth
!= 32)
5062 } else if (*p
== '\0') {
5063 depth
= graphic_depth
;
5070 graphic_depth
= depth
;
5073 case QEMU_OPTION_echr
:
5076 term_escape_char
= strtol(optarg
, &r
, 0);
5078 printf("Bad argument to echr\n");
5081 case QEMU_OPTION_monitor
:
5082 monitor_device
= optarg
;
5084 case QEMU_OPTION_serial
:
5085 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5086 fprintf(stderr
, "qemu: too many serial ports\n");
5089 serial_devices
[serial_device_index
] = optarg
;
5090 serial_device_index
++;
5092 case QEMU_OPTION_virtiocon
:
5093 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
5094 fprintf(stderr
, "qemu: too many virtio consoles\n");
5097 virtio_consoles
[virtio_console_index
] = optarg
;
5098 virtio_console_index
++;
5100 case QEMU_OPTION_parallel
:
5101 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5102 fprintf(stderr
, "qemu: too many parallel ports\n");
5105 parallel_devices
[parallel_device_index
] = optarg
;
5106 parallel_device_index
++;
5108 case QEMU_OPTION_loadvm
:
5111 case QEMU_OPTION_full_screen
:
5115 case QEMU_OPTION_no_frame
:
5118 case QEMU_OPTION_alt_grab
:
5121 case QEMU_OPTION_no_quit
:
5124 case QEMU_OPTION_sdl
:
5128 case QEMU_OPTION_pidfile
:
5132 case QEMU_OPTION_win2k_hack
:
5133 win2k_install_hack
= 1;
5135 case QEMU_OPTION_rtc_td_hack
:
5138 case QEMU_OPTION_acpitable
:
5139 if(acpi_table_add(optarg
) < 0) {
5140 fprintf(stderr
, "Wrong acpi table provided\n");
5146 case QEMU_OPTION_no_kqemu
:
5149 case QEMU_OPTION_kernel_kqemu
:
5154 case QEMU_OPTION_enable_kvm
:
5161 case QEMU_OPTION_usb
:
5164 case QEMU_OPTION_usbdevice
:
5166 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5167 fprintf(stderr
, "Too many USB devices\n");
5170 usb_devices
[usb_devices_index
] = optarg
;
5171 usb_devices_index
++;
5173 case QEMU_OPTION_smp
:
5174 smp_cpus
= atoi(optarg
);
5176 fprintf(stderr
, "Invalid number of CPUs\n");
5180 case QEMU_OPTION_vnc
:
5181 vnc_display
= optarg
;
5183 case QEMU_OPTION_no_acpi
:
5186 case QEMU_OPTION_no_hpet
:
5189 case QEMU_OPTION_no_reboot
:
5192 case QEMU_OPTION_no_shutdown
:
5195 case QEMU_OPTION_show_cursor
:
5198 case QEMU_OPTION_uuid
:
5199 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5200 fprintf(stderr
, "Fail to parse UUID string."
5201 " Wrong format.\n");
5205 case QEMU_OPTION_daemonize
:
5208 case QEMU_OPTION_option_rom
:
5209 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5210 fprintf(stderr
, "Too many option ROMs\n");
5213 option_rom
[nb_option_roms
] = optarg
;
5216 case QEMU_OPTION_semihosting
:
5217 semihosting_enabled
= 1;
5219 case QEMU_OPTION_name
:
5222 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5223 case QEMU_OPTION_prom_env
:
5224 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5225 fprintf(stderr
, "Too many prom variables\n");
5228 prom_envs
[nb_prom_envs
] = optarg
;
5233 case QEMU_OPTION_old_param
:
5237 case QEMU_OPTION_clock
:
5238 configure_alarms(optarg
);
5240 case QEMU_OPTION_startdate
:
5243 time_t rtc_start_date
;
5244 if (!strcmp(optarg
, "now")) {
5245 rtc_date_offset
= -1;
5247 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5255 } else if (sscanf(optarg
, "%d-%d-%d",
5258 &tm
.tm_mday
) == 3) {
5267 rtc_start_date
= mktimegm(&tm
);
5268 if (rtc_start_date
== -1) {
5270 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5271 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5274 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5278 case QEMU_OPTION_tb_size
:
5279 tb_size
= strtol(optarg
, NULL
, 0);
5283 case QEMU_OPTION_icount
:
5285 if (strcmp(optarg
, "auto") == 0) {
5286 icount_time_shift
= -1;
5288 icount_time_shift
= strtol(optarg
, NULL
, 0);
5291 case QEMU_OPTION_incoming
:
5294 case QEMU_OPTION_chroot
:
5295 chroot_dir
= optarg
;
5297 case QEMU_OPTION_runas
:
5304 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5305 if (kvm_allowed
&& kqemu_allowed
) {
5307 "You can not enable both KVM and kqemu at the same time\n");
5312 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5313 if (smp_cpus
> machine
->max_cpus
) {
5314 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5315 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5321 if (serial_device_index
== 0)
5322 serial_devices
[0] = "stdio";
5323 if (parallel_device_index
== 0)
5324 parallel_devices
[0] = "null";
5325 if (strncmp(monitor_device
, "vc", 2) == 0)
5326 monitor_device
= "stdio";
5333 if (pipe(fds
) == -1)
5344 len
= read(fds
[0], &status
, 1);
5345 if (len
== -1 && (errno
== EINTR
))
5350 else if (status
== 1) {
5351 fprintf(stderr
, "Could not acquire pidfile\n");
5368 signal(SIGTSTP
, SIG_IGN
);
5369 signal(SIGTTOU
, SIG_IGN
);
5370 signal(SIGTTIN
, SIG_IGN
);
5374 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5377 write(fds
[1], &status
, 1);
5379 fprintf(stderr
, "Could not acquire pid file\n");
5387 linux_boot
= (kernel_filename
!= NULL
);
5388 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5390 if (!linux_boot
&& net_boot
== 0 &&
5391 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
5394 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5395 fprintf(stderr
, "-append only allowed with -kernel option\n");
5399 if (!linux_boot
&& initrd_filename
!= NULL
) {
5400 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5404 /* boot to floppy or the default cd if no hard disk defined yet */
5405 if (!boot_devices
[0]) {
5406 boot_devices
= "cad";
5408 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5411 if (init_timer_alarm() < 0) {
5412 fprintf(stderr
, "could not initialize alarm timer\n");
5415 if (use_icount
&& icount_time_shift
< 0) {
5417 /* 125MIPS seems a reasonable initial guess at the guest speed.
5418 It will be corrected fairly quickly anyway. */
5419 icount_time_shift
= 3;
5420 init_icount_adjust();
5427 /* init network clients */
5428 if (nb_net_clients
== 0) {
5429 /* if no clients, we use a default config */
5430 net_clients
[nb_net_clients
++] = "nic";
5432 net_clients
[nb_net_clients
++] = "user";
5436 for(i
= 0;i
< nb_net_clients
; i
++) {
5437 if (net_client_parse(net_clients
[i
]) < 0)
5443 /* XXX: this should be moved in the PC machine instantiation code */
5444 if (net_boot
!= 0) {
5446 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
5447 const char *model
= nd_table
[i
].model
;
5449 if (net_boot
& (1 << i
)) {
5452 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
5453 if (get_image_size(buf
) > 0) {
5454 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5455 fprintf(stderr
, "Too many option ROMs\n");
5458 option_rom
[nb_option_roms
] = strdup(buf
);
5465 fprintf(stderr
, "No valid PXE rom found for network device\n");
5471 /* init the bluetooth world */
5472 for (i
= 0; i
< nb_bt_opts
; i
++)
5473 if (bt_parse(bt_opts
[i
]))
5476 /* init the memory */
5477 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
5479 if (machine
->ram_require
& RAMSIZE_FIXED
) {
5481 if (ram_size
< phys_ram_size
) {
5482 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
5483 machine
->name
, (unsigned long long) phys_ram_size
);
5487 phys_ram_size
= ram_size
;
5489 ram_size
= phys_ram_size
;
5492 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5494 phys_ram_size
+= ram_size
;
5497 phys_ram_base
= qemu_vmalloc(phys_ram_size
);
5498 if (!phys_ram_base
) {
5499 fprintf(stderr
, "Could not allocate physical memory\n");
5503 /* init the dynamic translator */
5504 cpu_exec_init_all(tb_size
* 1024 * 1024);
5508 /* we always create the cdrom drive, even if no disk is there */
5510 if (nb_drives_opt
< MAX_DRIVES
)
5511 drive_add(NULL
, CDROM_ALIAS
);
5513 /* we always create at least one floppy */
5515 if (nb_drives_opt
< MAX_DRIVES
)
5516 drive_add(NULL
, FD_ALIAS
, 0);
5518 /* we always create one sd slot, even if no card is in it */
5520 if (nb_drives_opt
< MAX_DRIVES
)
5521 drive_add(NULL
, SD_ALIAS
);
5523 /* open the virtual block devices */
5525 for(i
= 0; i
< nb_drives_opt
; i
++)
5526 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5529 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5530 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5533 /* must be after terminal init, SDL library changes signal handlers */
5537 /* Maintain compatibility with multiple stdio monitors */
5538 if (!strcmp(monitor_device
,"stdio")) {
5539 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5540 const char *devname
= serial_devices
[i
];
5541 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5542 monitor_device
= NULL
;
5544 } else if (devname
&& !strcmp(devname
,"stdio")) {
5545 monitor_device
= NULL
;
5546 serial_devices
[i
] = "mon:stdio";
5552 if (kvm_enabled()) {
5555 ret
= kvm_init(smp_cpus
);
5557 fprintf(stderr
, "failed to initialize KVM\n");
5562 if (monitor_device
) {
5563 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
5565 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
5570 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5571 const char *devname
= serial_devices
[i
];
5572 if (devname
&& strcmp(devname
, "none")) {
5574 snprintf(label
, sizeof(label
), "serial%d", i
);
5575 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5576 if (!serial_hds
[i
]) {
5577 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
5584 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5585 const char *devname
= parallel_devices
[i
];
5586 if (devname
&& strcmp(devname
, "none")) {
5588 snprintf(label
, sizeof(label
), "parallel%d", i
);
5589 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5590 if (!parallel_hds
[i
]) {
5591 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
5598 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5599 const char *devname
= virtio_consoles
[i
];
5600 if (devname
&& strcmp(devname
, "none")) {
5602 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5603 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5604 if (!virtcon_hds
[i
]) {
5605 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
5612 machine
->init(ram_size
, vga_ram_size
, boot_devices
,
5613 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
5615 current_machine
= machine
;
5617 /* Set KVM's vcpu state to qemu's initial CPUState. */
5618 if (kvm_enabled()) {
5621 ret
= kvm_sync_vcpus();
5623 fprintf(stderr
, "failed to initialize vcpus\n");
5628 /* init USB devices */
5630 for(i
= 0; i
< usb_devices_index
; i
++) {
5631 if (usb_device_add(usb_devices
[i
], 0) < 0) {
5632 fprintf(stderr
, "Warning: could not add USB device %s\n",
5639 dumb_display_init();
5640 /* just use the first displaystate for the moment */
5645 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
5649 #if defined(CONFIG_CURSES)
5651 /* At the moment curses cannot be used with other displays */
5652 curses_display_init(ds
, full_screen
);
5656 if (vnc_display
!= NULL
) {
5657 vnc_display_init(ds
);
5658 if (vnc_display_open(ds
, vnc_display
) < 0)
5661 #if defined(CONFIG_SDL)
5662 if (sdl
|| !vnc_display
)
5663 sdl_display_init(ds
, full_screen
, no_frame
);
5664 #elif defined(CONFIG_COCOA)
5665 if (sdl
|| !vnc_display
)
5666 cocoa_display_init(ds
, full_screen
);
5672 dcl
= ds
->listeners
;
5673 while (dcl
!= NULL
) {
5674 if (dcl
->dpy_refresh
!= NULL
) {
5675 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
5676 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
5681 if (nographic
|| (vnc_display
&& !sdl
)) {
5682 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
5683 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
5686 text_consoles_set_display(display_state
);
5687 qemu_chr_initial_reset();
5689 if (monitor_device
&& monitor_hd
)
5690 monitor_init(monitor_hd
, MONITOR_USE_READLINE
| MONITOR_IS_DEFAULT
);
5692 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5693 const char *devname
= serial_devices
[i
];
5694 if (devname
&& strcmp(devname
, "none")) {
5696 snprintf(label
, sizeof(label
), "serial%d", i
);
5697 if (strstart(devname
, "vc", 0))
5698 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
5702 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5703 const char *devname
= parallel_devices
[i
];
5704 if (devname
&& strcmp(devname
, "none")) {
5706 snprintf(label
, sizeof(label
), "parallel%d", i
);
5707 if (strstart(devname
, "vc", 0))
5708 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
5712 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5713 const char *devname
= virtio_consoles
[i
];
5714 if (virtcon_hds
[i
] && devname
) {
5716 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5717 if (strstart(devname
, "vc", 0))
5718 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
5722 #ifdef CONFIG_GDBSTUB
5724 /* XXX: use standard host:port notation and modify options
5726 if (gdbserver_start(gdbstub_port
) < 0) {
5727 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
5735 do_loadvm(cur_mon
, loadvm
);
5738 autostart
= 0; /* fixme how to deal with -daemonize */
5739 qemu_start_incoming_migration(incoming
);
5750 len
= write(fds
[1], &status
, 1);
5751 if (len
== -1 && (errno
== EINTR
))
5758 TFR(fd
= open("/dev/null", O_RDWR
));
5765 pwd
= getpwnam(run_as
);
5767 fprintf(stderr
, "User \"%s\" doesn't exist\n", run_as
);
5773 if (chroot(chroot_dir
) < 0) {
5774 fprintf(stderr
, "chroot failed\n");
5781 if (setgid(pwd
->pw_gid
) < 0) {
5782 fprintf(stderr
, "Failed to setgid(%d)\n", pwd
->pw_gid
);
5785 if (setuid(pwd
->pw_uid
) < 0) {
5786 fprintf(stderr
, "Failed to setuid(%d)\n", pwd
->pw_uid
);
5789 if (setuid(0) != -1) {
5790 fprintf(stderr
, "Dropping privileges failed\n");