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 _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>
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>
107 #include <sys/timeb.h>
108 #include <mmsystem.h>
109 #define getopt_long_only getopt_long
110 #define memalign(align, size) malloc(size)
116 int qemu_main(int argc
, char **argv
, char **envp
);
117 int main(int argc
, char **argv
)
119 qemu_main(argc
, argv
, NULL
);
122 #define main qemu_main
124 #endif /* CONFIG_SDL */
128 #define main qemu_main
129 #endif /* CONFIG_COCOA */
132 #include "hw/boards.h"
134 #include "hw/pcmcia.h"
136 #include "hw/audiodev.h"
145 #include "qemu-timer.h"
146 #include "qemu-char.h"
147 #include "cache-utils.h"
149 #include "audio/audio.h"
150 #include "migration.h"
156 #include "exec-all.h"
158 #include "qemu_socket.h"
160 #if defined(CONFIG_SLIRP)
161 #include "libslirp.h"
164 //#define DEBUG_UNUSED_IOPORT
165 //#define DEBUG_IOPORT
167 //#define DEBUG_SLIRP
171 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
173 # define LOG_IOPORT(...) do { } while (0)
176 #define DEFAULT_RAM_SIZE 128
178 /* Max number of USB devices that can be specified on the commandline. */
179 #define MAX_USB_CMDLINE 8
181 /* Max number of bluetooth switches on the commandline. */
182 #define MAX_BT_CMDLINE 10
184 /* XXX: use a two level table to limit memory usage */
185 #define MAX_IOPORTS 65536
187 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
188 const char *bios_name
= NULL
;
189 static void *ioport_opaque
[MAX_IOPORTS
];
190 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
191 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
192 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
193 to store the VM snapshots */
194 DriveInfo drives_table
[MAX_DRIVES
+1];
196 static int vga_ram_size
;
197 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
198 static DisplayState
*display_state
;
202 const char* keyboard_layout
= NULL
;
203 int64_t ticks_per_sec
;
206 NICInfo nd_table
[MAX_NICS
];
208 static int autostart
;
209 static int rtc_utc
= 1;
210 static int rtc_date_offset
= -1; /* -1 means no change */
211 int cirrus_vga_enabled
= 1;
212 int std_vga_enabled
= 0;
213 int vmsvga_enabled
= 0;
215 int graphic_width
= 1024;
216 int graphic_height
= 768;
217 int graphic_depth
= 8;
219 int graphic_width
= 800;
220 int graphic_height
= 600;
221 int graphic_depth
= 15;
223 static int full_screen
= 0;
225 static int no_frame
= 0;
228 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
229 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
230 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
232 int win2k_install_hack
= 0;
237 const char *vnc_display
;
238 int acpi_enabled
= 1;
244 int graphic_rotate
= 0;
246 const char *option_rom
[MAX_OPTION_ROMS
];
248 int semihosting_enabled
= 0;
252 const char *qemu_name
;
254 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
255 unsigned int nb_prom_envs
= 0;
256 const char *prom_envs
[MAX_PROM_ENVS
];
259 struct drive_opt drives_opt
[MAX_DRIVES
];
261 static CPUState
*cur_cpu
;
262 static CPUState
*next_cpu
;
263 static int event_pending
= 1;
264 /* Conversion factor from emulated instructions to virtual clock ticks. */
265 static int icount_time_shift
;
266 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
267 #define MAX_ICOUNT_SHIFT 10
268 /* Compensate for varying guest execution speed. */
269 static int64_t qemu_icount_bias
;
270 static QEMUTimer
*icount_rt_timer
;
271 static QEMUTimer
*icount_vm_timer
;
272 static QEMUTimer
*nographic_timer
;
274 uint8_t qemu_uuid
[16];
276 /***********************************************************/
277 /* x86 ISA bus support */
279 target_phys_addr_t isa_mem_base
= 0;
282 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
283 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
285 static uint32_t ioport_read(int index
, uint32_t address
)
287 static IOPortReadFunc
*default_func
[3] = {
288 default_ioport_readb
,
289 default_ioport_readw
,
292 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
294 func
= default_func
[index
];
295 return func(ioport_opaque
[address
], address
);
298 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
300 static IOPortWriteFunc
*default_func
[3] = {
301 default_ioport_writeb
,
302 default_ioport_writew
,
303 default_ioport_writel
305 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
307 func
= default_func
[index
];
308 func(ioport_opaque
[address
], address
, data
);
311 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
313 #ifdef DEBUG_UNUSED_IOPORT
314 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
319 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
321 #ifdef DEBUG_UNUSED_IOPORT
322 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
326 /* default is to make two byte accesses */
327 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
330 data
= ioport_read(0, address
);
331 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
332 data
|= ioport_read(0, address
) << 8;
336 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
338 ioport_write(0, address
, data
& 0xff);
339 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
340 ioport_write(0, address
, (data
>> 8) & 0xff);
343 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
345 #ifdef DEBUG_UNUSED_IOPORT
346 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
351 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
353 #ifdef DEBUG_UNUSED_IOPORT
354 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
358 /* size is the word size in byte */
359 int register_ioport_read(int start
, int length
, int size
,
360 IOPortReadFunc
*func
, void *opaque
)
366 } else if (size
== 2) {
368 } else if (size
== 4) {
371 hw_error("register_ioport_read: invalid size");
374 for(i
= start
; i
< start
+ length
; i
+= size
) {
375 ioport_read_table
[bsize
][i
] = func
;
376 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
377 hw_error("register_ioport_read: invalid opaque");
378 ioport_opaque
[i
] = opaque
;
383 /* size is the word size in byte */
384 int register_ioport_write(int start
, int length
, int size
,
385 IOPortWriteFunc
*func
, void *opaque
)
391 } else if (size
== 2) {
393 } else if (size
== 4) {
396 hw_error("register_ioport_write: invalid size");
399 for(i
= start
; i
< start
+ length
; i
+= size
) {
400 ioport_write_table
[bsize
][i
] = func
;
401 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
402 hw_error("register_ioport_write: invalid opaque");
403 ioport_opaque
[i
] = opaque
;
408 void isa_unassign_ioport(int start
, int length
)
412 for(i
= start
; i
< start
+ length
; i
++) {
413 ioport_read_table
[0][i
] = default_ioport_readb
;
414 ioport_read_table
[1][i
] = default_ioport_readw
;
415 ioport_read_table
[2][i
] = default_ioport_readl
;
417 ioport_write_table
[0][i
] = default_ioport_writeb
;
418 ioport_write_table
[1][i
] = default_ioport_writew
;
419 ioport_write_table
[2][i
] = default_ioport_writel
;
421 ioport_opaque
[i
] = NULL
;
425 /***********************************************************/
427 void cpu_outb(CPUState
*env
, int addr
, int val
)
429 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
430 ioport_write(0, addr
, val
);
433 env
->last_io_time
= cpu_get_time_fast();
437 void cpu_outw(CPUState
*env
, int addr
, int val
)
439 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
440 ioport_write(1, addr
, val
);
443 env
->last_io_time
= cpu_get_time_fast();
447 void cpu_outl(CPUState
*env
, int addr
, int val
)
449 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
450 ioport_write(2, addr
, val
);
453 env
->last_io_time
= cpu_get_time_fast();
457 int cpu_inb(CPUState
*env
, int addr
)
460 val
= ioport_read(0, addr
);
461 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
464 env
->last_io_time
= cpu_get_time_fast();
469 int cpu_inw(CPUState
*env
, int addr
)
472 val
= ioport_read(1, addr
);
473 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
476 env
->last_io_time
= cpu_get_time_fast();
481 int cpu_inl(CPUState
*env
, int addr
)
484 val
= ioport_read(2, addr
);
485 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
488 env
->last_io_time
= cpu_get_time_fast();
493 /***********************************************************/
494 void hw_error(const char *fmt
, ...)
500 fprintf(stderr
, "qemu: hardware error: ");
501 vfprintf(stderr
, fmt
, ap
);
502 fprintf(stderr
, "\n");
503 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
504 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
506 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
508 cpu_dump_state(env
, stderr
, fprintf
, 0);
518 static QEMUBalloonEvent
*qemu_balloon_event
;
519 void *qemu_balloon_event_opaque
;
521 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
523 qemu_balloon_event
= func
;
524 qemu_balloon_event_opaque
= opaque
;
527 void qemu_balloon(ram_addr_t target
)
529 if (qemu_balloon_event
)
530 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
533 ram_addr_t
qemu_balloon_status(void)
535 if (qemu_balloon_event
)
536 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
540 /***********************************************************/
543 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
544 static void *qemu_put_kbd_event_opaque
;
545 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
546 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
548 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
550 qemu_put_kbd_event_opaque
= opaque
;
551 qemu_put_kbd_event
= func
;
554 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
555 void *opaque
, int absolute
,
558 QEMUPutMouseEntry
*s
, *cursor
;
560 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
562 s
->qemu_put_mouse_event
= func
;
563 s
->qemu_put_mouse_event_opaque
= opaque
;
564 s
->qemu_put_mouse_event_absolute
= absolute
;
565 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
568 if (!qemu_put_mouse_event_head
) {
569 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
573 cursor
= qemu_put_mouse_event_head
;
574 while (cursor
->next
!= NULL
)
575 cursor
= cursor
->next
;
578 qemu_put_mouse_event_current
= s
;
583 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
585 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
587 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
590 cursor
= qemu_put_mouse_event_head
;
591 while (cursor
!= NULL
&& cursor
!= entry
) {
593 cursor
= cursor
->next
;
596 if (cursor
== NULL
) // does not exist or list empty
598 else if (prev
== NULL
) { // entry is head
599 qemu_put_mouse_event_head
= cursor
->next
;
600 if (qemu_put_mouse_event_current
== entry
)
601 qemu_put_mouse_event_current
= cursor
->next
;
602 qemu_free(entry
->qemu_put_mouse_event_name
);
607 prev
->next
= entry
->next
;
609 if (qemu_put_mouse_event_current
== entry
)
610 qemu_put_mouse_event_current
= prev
;
612 qemu_free(entry
->qemu_put_mouse_event_name
);
616 void kbd_put_keycode(int keycode
)
618 if (qemu_put_kbd_event
) {
619 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
623 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
625 QEMUPutMouseEvent
*mouse_event
;
626 void *mouse_event_opaque
;
629 if (!qemu_put_mouse_event_current
) {
634 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
636 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
639 if (graphic_rotate
) {
640 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
643 width
= graphic_width
- 1;
644 mouse_event(mouse_event_opaque
,
645 width
- dy
, dx
, dz
, buttons_state
);
647 mouse_event(mouse_event_opaque
,
648 dx
, dy
, dz
, buttons_state
);
652 int kbd_mouse_is_absolute(void)
654 if (!qemu_put_mouse_event_current
)
657 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
660 void do_info_mice(Monitor
*mon
)
662 QEMUPutMouseEntry
*cursor
;
665 if (!qemu_put_mouse_event_head
) {
666 monitor_printf(mon
, "No mouse devices connected\n");
670 monitor_printf(mon
, "Mouse devices available:\n");
671 cursor
= qemu_put_mouse_event_head
;
672 while (cursor
!= NULL
) {
673 monitor_printf(mon
, "%c Mouse #%d: %s\n",
674 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
675 index
, cursor
->qemu_put_mouse_event_name
);
677 cursor
= cursor
->next
;
681 void do_mouse_set(Monitor
*mon
, int index
)
683 QEMUPutMouseEntry
*cursor
;
686 if (!qemu_put_mouse_event_head
) {
687 monitor_printf(mon
, "No mouse devices connected\n");
691 cursor
= qemu_put_mouse_event_head
;
692 while (cursor
!= NULL
&& index
!= i
) {
694 cursor
= cursor
->next
;
698 qemu_put_mouse_event_current
= cursor
;
700 monitor_printf(mon
, "Mouse at given index not found\n");
703 /* compute with 96 bit intermediate result: (a*b)/c */
704 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
709 #ifdef WORDS_BIGENDIAN
719 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
720 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
723 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
727 /***********************************************************/
728 /* real time host monotonic timer */
730 #define QEMU_TIMER_BASE 1000000000LL
734 static int64_t clock_freq
;
736 static void init_get_clock(void)
740 ret
= QueryPerformanceFrequency(&freq
);
742 fprintf(stderr
, "Could not calibrate ticks\n");
745 clock_freq
= freq
.QuadPart
;
748 static int64_t get_clock(void)
751 QueryPerformanceCounter(&ti
);
752 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
757 static int use_rt_clock
;
759 static void init_get_clock(void)
762 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
765 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
772 static int64_t get_clock(void)
774 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
777 clock_gettime(CLOCK_MONOTONIC
, &ts
);
778 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
782 /* XXX: using gettimeofday leads to problems if the date
783 changes, so it should be avoided. */
785 gettimeofday(&tv
, NULL
);
786 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
791 /* Return the virtual CPU time, based on the instruction counter. */
792 static int64_t cpu_get_icount(void)
795 CPUState
*env
= cpu_single_env
;;
796 icount
= qemu_icount
;
799 fprintf(stderr
, "Bad clock read\n");
800 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
802 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
805 /***********************************************************/
806 /* guest cycle counter */
808 static int64_t cpu_ticks_prev
;
809 static int64_t cpu_ticks_offset
;
810 static int64_t cpu_clock_offset
;
811 static int cpu_ticks_enabled
;
813 /* return the host CPU cycle counter and handle stop/restart */
814 int64_t cpu_get_ticks(void)
817 return cpu_get_icount();
819 if (!cpu_ticks_enabled
) {
820 return cpu_ticks_offset
;
823 ticks
= cpu_get_real_ticks();
824 if (cpu_ticks_prev
> ticks
) {
825 /* Note: non increasing ticks may happen if the host uses
827 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
829 cpu_ticks_prev
= ticks
;
830 return ticks
+ cpu_ticks_offset
;
834 /* return the host CPU monotonic timer and handle stop/restart */
835 static int64_t cpu_get_clock(void)
838 if (!cpu_ticks_enabled
) {
839 return cpu_clock_offset
;
842 return ti
+ cpu_clock_offset
;
846 /* enable cpu_get_ticks() */
847 void cpu_enable_ticks(void)
849 if (!cpu_ticks_enabled
) {
850 cpu_ticks_offset
-= cpu_get_real_ticks();
851 cpu_clock_offset
-= get_clock();
852 cpu_ticks_enabled
= 1;
856 /* disable cpu_get_ticks() : the clock is stopped. You must not call
857 cpu_get_ticks() after that. */
858 void cpu_disable_ticks(void)
860 if (cpu_ticks_enabled
) {
861 cpu_ticks_offset
= cpu_get_ticks();
862 cpu_clock_offset
= cpu_get_clock();
863 cpu_ticks_enabled
= 0;
867 /***********************************************************/
870 #define QEMU_TIMER_REALTIME 0
871 #define QEMU_TIMER_VIRTUAL 1
875 /* XXX: add frequency */
883 struct QEMUTimer
*next
;
886 struct qemu_alarm_timer
{
890 int (*start
)(struct qemu_alarm_timer
*t
);
891 void (*stop
)(struct qemu_alarm_timer
*t
);
892 void (*rearm
)(struct qemu_alarm_timer
*t
);
896 #define ALARM_FLAG_DYNTICKS 0x1
897 #define ALARM_FLAG_EXPIRED 0x2
899 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
901 return t
->flags
& ALARM_FLAG_DYNTICKS
;
904 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
906 if (!alarm_has_dynticks(t
))
912 /* TODO: MIN_TIMER_REARM_US should be optimized */
913 #define MIN_TIMER_REARM_US 250
915 static struct qemu_alarm_timer
*alarm_timer
;
917 static int alarm_timer_rfd
, alarm_timer_wfd
;
922 struct qemu_alarm_win32
{
926 } alarm_win32_data
= {0, NULL
, -1};
928 static int win32_start_timer(struct qemu_alarm_timer
*t
);
929 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
930 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
934 static int unix_start_timer(struct qemu_alarm_timer
*t
);
935 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
939 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
940 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
941 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
943 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
944 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
946 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
947 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
949 #endif /* __linux__ */
953 /* Correlation between real and virtual time is always going to be
954 fairly approximate, so ignore small variation.
955 When the guest is idle real and virtual time will be aligned in
957 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
959 static void icount_adjust(void)
964 static int64_t last_delta
;
965 /* If the VM is not running, then do nothing. */
969 cur_time
= cpu_get_clock();
970 cur_icount
= qemu_get_clock(vm_clock
);
971 delta
= cur_icount
- cur_time
;
972 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
974 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
975 && icount_time_shift
> 0) {
976 /* The guest is getting too far ahead. Slow time down. */
980 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
981 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
982 /* The guest is getting too far behind. Speed time up. */
986 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
989 static void icount_adjust_rt(void * opaque
)
991 qemu_mod_timer(icount_rt_timer
,
992 qemu_get_clock(rt_clock
) + 1000);
996 static void icount_adjust_vm(void * opaque
)
998 qemu_mod_timer(icount_vm_timer
,
999 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1003 static void init_icount_adjust(void)
1005 /* Have both realtime and virtual time triggers for speed adjustment.
1006 The realtime trigger catches emulated time passing too slowly,
1007 the virtual time trigger catches emulated time passing too fast.
1008 Realtime triggers occur even when idle, so use them less frequently
1009 than VM triggers. */
1010 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1011 qemu_mod_timer(icount_rt_timer
,
1012 qemu_get_clock(rt_clock
) + 1000);
1013 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1014 qemu_mod_timer(icount_vm_timer
,
1015 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1018 static struct qemu_alarm_timer alarm_timers
[] = {
1021 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1022 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1023 /* HPET - if available - is preferred */
1024 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1025 /* ...otherwise try RTC */
1026 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1028 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1030 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1031 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1032 {"win32", 0, win32_start_timer
,
1033 win32_stop_timer
, NULL
, &alarm_win32_data
},
1038 static void show_available_alarms(void)
1042 printf("Available alarm timers, in order of precedence:\n");
1043 for (i
= 0; alarm_timers
[i
].name
; i
++)
1044 printf("%s\n", alarm_timers
[i
].name
);
1047 static void configure_alarms(char const *opt
)
1051 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1054 struct qemu_alarm_timer tmp
;
1056 if (!strcmp(opt
, "?")) {
1057 show_available_alarms();
1063 /* Reorder the array */
1064 name
= strtok(arg
, ",");
1066 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1067 if (!strcmp(alarm_timers
[i
].name
, name
))
1072 fprintf(stderr
, "Unknown clock %s\n", name
);
1081 tmp
= alarm_timers
[i
];
1082 alarm_timers
[i
] = alarm_timers
[cur
];
1083 alarm_timers
[cur
] = tmp
;
1087 name
= strtok(NULL
, ",");
1093 /* Disable remaining timers */
1094 for (i
= cur
; i
< count
; i
++)
1095 alarm_timers
[i
].name
= NULL
;
1097 show_available_alarms();
1102 QEMUClock
*rt_clock
;
1103 QEMUClock
*vm_clock
;
1105 static QEMUTimer
*active_timers
[2];
1107 static QEMUClock
*qemu_new_clock(int type
)
1110 clock
= qemu_mallocz(sizeof(QEMUClock
));
1115 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1119 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1122 ts
->opaque
= opaque
;
1126 void qemu_free_timer(QEMUTimer
*ts
)
1131 /* stop a timer, but do not dealloc it */
1132 void qemu_del_timer(QEMUTimer
*ts
)
1136 /* NOTE: this code must be signal safe because
1137 qemu_timer_expired() can be called from a signal. */
1138 pt
= &active_timers
[ts
->clock
->type
];
1151 /* modify the current timer so that it will be fired when current_time
1152 >= expire_time. The corresponding callback will be called. */
1153 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1159 /* add the timer in the sorted list */
1160 /* NOTE: this code must be signal safe because
1161 qemu_timer_expired() can be called from a signal. */
1162 pt
= &active_timers
[ts
->clock
->type
];
1167 if (t
->expire_time
> expire_time
)
1171 ts
->expire_time
= expire_time
;
1175 /* Rearm if necessary */
1176 if (pt
== &active_timers
[ts
->clock
->type
]) {
1177 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1178 qemu_rearm_alarm_timer(alarm_timer
);
1180 /* Interrupt execution to force deadline recalculation. */
1181 if (use_icount
&& cpu_single_env
) {
1182 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1187 int qemu_timer_pending(QEMUTimer
*ts
)
1190 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1197 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1201 return (timer_head
->expire_time
<= current_time
);
1204 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1210 if (!ts
|| ts
->expire_time
> current_time
)
1212 /* remove timer from the list before calling the callback */
1213 *ptimer_head
= ts
->next
;
1216 /* run the callback (the timer list can be modified) */
1221 int64_t qemu_get_clock(QEMUClock
*clock
)
1223 switch(clock
->type
) {
1224 case QEMU_TIMER_REALTIME
:
1225 return get_clock() / 1000000;
1227 case QEMU_TIMER_VIRTUAL
:
1229 return cpu_get_icount();
1231 return cpu_get_clock();
1236 static void init_timers(void)
1239 ticks_per_sec
= QEMU_TIMER_BASE
;
1240 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1241 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1245 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1247 uint64_t expire_time
;
1249 if (qemu_timer_pending(ts
)) {
1250 expire_time
= ts
->expire_time
;
1254 qemu_put_be64(f
, expire_time
);
1257 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1259 uint64_t expire_time
;
1261 expire_time
= qemu_get_be64(f
);
1262 if (expire_time
!= -1) {
1263 qemu_mod_timer(ts
, expire_time
);
1269 static void timer_save(QEMUFile
*f
, void *opaque
)
1271 if (cpu_ticks_enabled
) {
1272 hw_error("cannot save state if virtual timers are running");
1274 qemu_put_be64(f
, cpu_ticks_offset
);
1275 qemu_put_be64(f
, ticks_per_sec
);
1276 qemu_put_be64(f
, cpu_clock_offset
);
1279 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1281 if (version_id
!= 1 && version_id
!= 2)
1283 if (cpu_ticks_enabled
) {
1286 cpu_ticks_offset
=qemu_get_be64(f
);
1287 ticks_per_sec
=qemu_get_be64(f
);
1288 if (version_id
== 2) {
1289 cpu_clock_offset
=qemu_get_be64(f
);
1295 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1296 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1298 static void host_alarm_handler(int host_signum
)
1302 #define DISP_FREQ 1000
1304 static int64_t delta_min
= INT64_MAX
;
1305 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1307 ti
= qemu_get_clock(vm_clock
);
1308 if (last_clock
!= 0) {
1309 delta
= ti
- last_clock
;
1310 if (delta
< delta_min
)
1312 if (delta
> delta_max
)
1315 if (++count
== DISP_FREQ
) {
1316 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1317 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1318 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1319 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1320 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1322 delta_min
= INT64_MAX
;
1330 if (alarm_has_dynticks(alarm_timer
) ||
1332 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1333 qemu_get_clock(vm_clock
))) ||
1334 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1335 qemu_get_clock(rt_clock
))) {
1336 CPUState
*env
= next_cpu
;
1339 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1340 SetEvent(data
->host_alarm
);
1342 static const char byte
= 0;
1343 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1345 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1348 /* stop the currently executing cpu because a timer occured */
1349 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1351 if (env
->kqemu_enabled
) {
1352 kqemu_cpu_interrupt(env
);
1360 static int64_t qemu_next_deadline(void)
1364 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1365 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1366 qemu_get_clock(vm_clock
);
1368 /* To avoid problems with overflow limit this to 2^32. */
1378 #if defined(__linux__) || defined(_WIN32)
1379 static uint64_t qemu_next_deadline_dyntick(void)
1387 delta
= (qemu_next_deadline() + 999) / 1000;
1389 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1390 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1391 qemu_get_clock(rt_clock
))*1000;
1392 if (rtdelta
< delta
)
1396 if (delta
< MIN_TIMER_REARM_US
)
1397 delta
= MIN_TIMER_REARM_US
;
1405 /* Sets a specific flag */
1406 static int fcntl_setfl(int fd
, int flag
)
1410 flags
= fcntl(fd
, F_GETFL
);
1414 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1420 #if defined(__linux__)
1422 #define RTC_FREQ 1024
1424 static void enable_sigio_timer(int fd
)
1426 struct sigaction act
;
1429 sigfillset(&act
.sa_mask
);
1431 act
.sa_handler
= host_alarm_handler
;
1433 sigaction(SIGIO
, &act
, NULL
);
1434 fcntl_setfl(fd
, O_ASYNC
);
1435 fcntl(fd
, F_SETOWN
, getpid());
1438 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1440 struct hpet_info info
;
1443 fd
= open("/dev/hpet", O_RDONLY
);
1448 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1450 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1451 "error, but for better emulation accuracy type:\n"
1452 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1456 /* Check capabilities */
1457 r
= ioctl(fd
, HPET_INFO
, &info
);
1461 /* Enable periodic mode */
1462 r
= ioctl(fd
, HPET_EPI
, 0);
1463 if (info
.hi_flags
&& (r
< 0))
1466 /* Enable interrupt */
1467 r
= ioctl(fd
, HPET_IE_ON
, 0);
1471 enable_sigio_timer(fd
);
1472 t
->priv
= (void *)(long)fd
;
1480 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1482 int fd
= (long)t
->priv
;
1487 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1490 unsigned long current_rtc_freq
= 0;
1492 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1495 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1496 if (current_rtc_freq
!= RTC_FREQ
&&
1497 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1498 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1499 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1500 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1503 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1509 enable_sigio_timer(rtc_fd
);
1511 t
->priv
= (void *)(long)rtc_fd
;
1516 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1518 int rtc_fd
= (long)t
->priv
;
1523 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1527 struct sigaction act
;
1529 sigfillset(&act
.sa_mask
);
1531 act
.sa_handler
= host_alarm_handler
;
1533 sigaction(SIGALRM
, &act
, NULL
);
1535 ev
.sigev_value
.sival_int
= 0;
1536 ev
.sigev_notify
= SIGEV_SIGNAL
;
1537 ev
.sigev_signo
= SIGALRM
;
1539 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1540 perror("timer_create");
1542 /* disable dynticks */
1543 fprintf(stderr
, "Dynamic Ticks disabled\n");
1548 t
->priv
= (void *)(long)host_timer
;
1553 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1555 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1557 timer_delete(host_timer
);
1560 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1562 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1563 struct itimerspec timeout
;
1564 int64_t nearest_delta_us
= INT64_MAX
;
1567 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1568 !active_timers
[QEMU_TIMER_VIRTUAL
])
1571 nearest_delta_us
= qemu_next_deadline_dyntick();
1573 /* check whether a timer is already running */
1574 if (timer_gettime(host_timer
, &timeout
)) {
1576 fprintf(stderr
, "Internal timer error: aborting\n");
1579 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1580 if (current_us
&& current_us
<= nearest_delta_us
)
1583 timeout
.it_interval
.tv_sec
= 0;
1584 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1585 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1586 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1587 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1589 fprintf(stderr
, "Internal timer error: aborting\n");
1594 #endif /* defined(__linux__) */
1596 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1598 struct sigaction act
;
1599 struct itimerval itv
;
1603 sigfillset(&act
.sa_mask
);
1605 act
.sa_handler
= host_alarm_handler
;
1607 sigaction(SIGALRM
, &act
, NULL
);
1609 itv
.it_interval
.tv_sec
= 0;
1610 /* for i386 kernel 2.6 to get 1 ms */
1611 itv
.it_interval
.tv_usec
= 999;
1612 itv
.it_value
.tv_sec
= 0;
1613 itv
.it_value
.tv_usec
= 10 * 1000;
1615 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1622 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1624 struct itimerval itv
;
1626 memset(&itv
, 0, sizeof(itv
));
1627 setitimer(ITIMER_REAL
, &itv
, NULL
);
1630 #endif /* !defined(_WIN32) */
1632 static void try_to_rearm_timer(void *opaque
)
1634 struct qemu_alarm_timer
*t
= opaque
;
1638 /* Drain the notify pipe */
1641 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1642 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1645 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1646 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1647 qemu_rearm_alarm_timer(alarm_timer
);
1653 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1656 struct qemu_alarm_win32
*data
= t
->priv
;
1659 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1660 if (!data
->host_alarm
) {
1661 perror("Failed CreateEvent");
1665 memset(&tc
, 0, sizeof(tc
));
1666 timeGetDevCaps(&tc
, sizeof(tc
));
1668 if (data
->period
< tc
.wPeriodMin
)
1669 data
->period
= tc
.wPeriodMin
;
1671 timeBeginPeriod(data
->period
);
1673 flags
= TIME_CALLBACK_FUNCTION
;
1674 if (alarm_has_dynticks(t
))
1675 flags
|= TIME_ONESHOT
;
1677 flags
|= TIME_PERIODIC
;
1679 data
->timerId
= timeSetEvent(1, // interval (ms)
1680 data
->period
, // resolution
1681 host_alarm_handler
, // function
1682 (DWORD
)t
, // parameter
1685 if (!data
->timerId
) {
1686 perror("Failed to initialize win32 alarm timer");
1688 timeEndPeriod(data
->period
);
1689 CloseHandle(data
->host_alarm
);
1693 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1698 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1700 struct qemu_alarm_win32
*data
= t
->priv
;
1702 timeKillEvent(data
->timerId
);
1703 timeEndPeriod(data
->period
);
1705 CloseHandle(data
->host_alarm
);
1708 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1710 struct qemu_alarm_win32
*data
= t
->priv
;
1711 uint64_t nearest_delta_us
;
1713 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1714 !active_timers
[QEMU_TIMER_VIRTUAL
])
1717 nearest_delta_us
= qemu_next_deadline_dyntick();
1718 nearest_delta_us
/= 1000;
1720 timeKillEvent(data
->timerId
);
1722 data
->timerId
= timeSetEvent(1,
1726 TIME_ONESHOT
| TIME_PERIODIC
);
1728 if (!data
->timerId
) {
1729 perror("Failed to re-arm win32 alarm timer");
1731 timeEndPeriod(data
->period
);
1732 CloseHandle(data
->host_alarm
);
1739 static int init_timer_alarm(void)
1741 struct qemu_alarm_timer
*t
= NULL
;
1751 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1755 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1759 alarm_timer_rfd
= fds
[0];
1760 alarm_timer_wfd
= fds
[1];
1763 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1764 t
= &alarm_timers
[i
];
1777 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1778 try_to_rearm_timer
, NULL
, t
);
1793 static void quit_timers(void)
1795 alarm_timer
->stop(alarm_timer
);
1799 /***********************************************************/
1800 /* host time/date access */
1801 void qemu_get_timedate(struct tm
*tm
, int offset
)
1808 if (rtc_date_offset
== -1) {
1812 ret
= localtime(&ti
);
1814 ti
-= rtc_date_offset
;
1818 memcpy(tm
, ret
, sizeof(struct tm
));
1821 int qemu_timedate_diff(struct tm
*tm
)
1825 if (rtc_date_offset
== -1)
1827 seconds
= mktimegm(tm
);
1829 seconds
= mktime(tm
);
1831 seconds
= mktimegm(tm
) + rtc_date_offset
;
1833 return seconds
- time(NULL
);
1837 static void socket_cleanup(void)
1842 static int socket_init(void)
1847 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1849 err
= WSAGetLastError();
1850 fprintf(stderr
, "WSAStartup: %d\n", err
);
1853 atexit(socket_cleanup
);
1858 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1863 while (*p
!= '\0' && *p
!= '=') {
1864 if (q
&& (q
- buf
) < buf_size
- 1)
1874 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1879 while (*p
!= '\0') {
1881 if (*(p
+ 1) != ',')
1885 if (q
&& (q
- buf
) < buf_size
- 1)
1895 int get_param_value(char *buf
, int buf_size
,
1896 const char *tag
, const char *str
)
1903 p
= get_opt_name(option
, sizeof(option
), p
);
1907 if (!strcmp(tag
, option
)) {
1908 (void)get_opt_value(buf
, buf_size
, p
);
1911 p
= get_opt_value(NULL
, 0, p
);
1920 int check_params(char *buf
, int buf_size
,
1921 const char * const *params
, const char *str
)
1928 p
= get_opt_name(buf
, buf_size
, p
);
1932 for(i
= 0; params
[i
] != NULL
; i
++)
1933 if (!strcmp(params
[i
], buf
))
1935 if (params
[i
] == NULL
)
1937 p
= get_opt_value(NULL
, 0, p
);
1945 /***********************************************************/
1946 /* Bluetooth support */
1949 static struct HCIInfo
*hci_table
[MAX_NICS
];
1951 static struct bt_vlan_s
{
1952 struct bt_scatternet_s net
;
1954 struct bt_vlan_s
*next
;
1957 /* find or alloc a new bluetooth "VLAN" */
1958 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1960 struct bt_vlan_s
**pvlan
, *vlan
;
1961 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1965 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1967 pvlan
= &first_bt_vlan
;
1968 while (*pvlan
!= NULL
)
1969 pvlan
= &(*pvlan
)->next
;
1974 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1978 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1983 static struct HCIInfo null_hci
= {
1984 .cmd_send
= null_hci_send
,
1985 .sco_send
= null_hci_send
,
1986 .acl_send
= null_hci_send
,
1987 .bdaddr_set
= null_hci_addr_set
,
1990 struct HCIInfo
*qemu_next_hci(void)
1992 if (cur_hci
== nb_hcis
)
1995 return hci_table
[cur_hci
++];
1998 static struct HCIInfo
*hci_init(const char *str
)
2001 struct bt_scatternet_s
*vlan
= 0;
2003 if (!strcmp(str
, "null"))
2006 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
2008 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
2009 else if (!strncmp(str
, "hci", 3)) {
2012 if (!strncmp(str
+ 3, ",vlan=", 6)) {
2013 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
2018 vlan
= qemu_find_bt_vlan(0);
2020 return bt_new_hci(vlan
);
2023 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
2028 static int bt_hci_parse(const char *str
)
2030 struct HCIInfo
*hci
;
2033 if (nb_hcis
>= MAX_NICS
) {
2034 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2038 hci
= hci_init(str
);
2047 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2048 hci
->bdaddr_set(hci
, bdaddr
.b
);
2050 hci_table
[nb_hcis
++] = hci
;
2055 static void bt_vhci_add(int vlan_id
)
2057 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2060 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2061 "an empty scatternet %i\n", vlan_id
);
2063 bt_vhci_init(bt_new_hci(vlan
));
2066 static struct bt_device_s
*bt_device_add(const char *opt
)
2068 struct bt_scatternet_s
*vlan
;
2070 char *endp
= strstr(opt
, ",vlan=");
2071 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2074 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2077 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2079 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2084 vlan
= qemu_find_bt_vlan(vlan_id
);
2087 fprintf(stderr
, "qemu: warning: adding a slave device to "
2088 "an empty scatternet %i\n", vlan_id
);
2090 if (!strcmp(devname
, "keyboard"))
2091 return bt_keyboard_init(vlan
);
2093 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2097 static int bt_parse(const char *opt
)
2099 const char *endp
, *p
;
2102 if (strstart(opt
, "hci", &endp
)) {
2103 if (!*endp
|| *endp
== ',') {
2105 if (!strstart(endp
, ",vlan=", 0))
2108 return bt_hci_parse(opt
);
2110 } else if (strstart(opt
, "vhci", &endp
)) {
2111 if (!*endp
|| *endp
== ',') {
2113 if (strstart(endp
, ",vlan=", &p
)) {
2114 vlan
= strtol(p
, (char **) &endp
, 0);
2116 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2120 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2129 } else if (strstart(opt
, "device:", &endp
))
2130 return !bt_device_add(endp
);
2132 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2136 /***********************************************************/
2137 /* QEMU Block devices */
2139 #define HD_ALIAS "index=%d,media=disk"
2141 #define CDROM_ALIAS "index=1,media=cdrom"
2143 #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
;
3327 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
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 */
3408 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
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_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3622 void qemu_system_shutdown_request(void)
3624 shutdown_requested
= 1;
3626 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3629 void qemu_system_powerdown_request(void)
3631 powerdown_requested
= 1;
3633 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
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");