4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 /* Needed early for HOST_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #if defined(__NetBSD__)
47 #include <net/if_tap.h>
50 #include <linux/if_tun.h>
52 #include <arpa/inet.h>
55 #include <sys/select.h>
58 #if defined(__FreeBSD__) || defined(__DragonFly__)
63 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
64 #include <freebsd/stdlib.h>
69 #include <linux/rtc.h>
71 /* For the benefit of older linux systems which don't supply it,
72 we use a local copy of hpet.h. */
73 /* #include <linux/hpet.h> */
76 #include <linux/ppdev.h>
77 #include <linux/parport.h>
81 #include <sys/ethernet.h>
82 #include <sys/sockio.h>
83 #include <netinet/arp.h>
84 #include <netinet/in.h>
85 #include <netinet/in_systm.h>
86 #include <netinet/ip.h>
87 #include <netinet/ip_icmp.h> // must come after ip.h
88 #include <netinet/udp.h>
89 #include <netinet/tcp.h>
97 #if defined(__OpenBSD__)
101 #if defined(CONFIG_VDE)
102 #include <libvdeplug.h>
108 #include <sys/timeb.h>
109 #include <mmsystem.h>
110 #define getopt_long_only getopt_long
111 #define memalign(align, size) malloc(size)
117 int qemu_main(int argc
, char **argv
, char **envp
);
118 int main(int argc
, char **argv
)
120 qemu_main(argc
, argv
, NULL
);
123 #define main qemu_main
125 #endif /* CONFIG_SDL */
129 #define main qemu_main
130 #endif /* CONFIG_COCOA */
133 #include "hw/boards.h"
135 #include "hw/pcmcia.h"
137 #include "hw/audiodev.h"
141 #include "hw/smbios.h"
149 #include "qemu-timer.h"
150 #include "qemu-char.h"
151 #include "cache-utils.h"
154 #include "audio/audio.h"
155 #include "migration.h"
161 #include "exec-all.h"
163 #include "qemu_socket.h"
165 #if defined(CONFIG_SLIRP)
166 #include "libslirp.h"
169 //#define DEBUG_UNUSED_IOPORT
170 //#define DEBUG_IOPORT
172 //#define DEBUG_SLIRP
176 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
178 # define LOG_IOPORT(...) do { } while (0)
181 #define DEFAULT_RAM_SIZE 128
183 /* Max number of USB devices that can be specified on the commandline. */
184 #define MAX_USB_CMDLINE 8
186 /* Max number of bluetooth switches on the commandline. */
187 #define MAX_BT_CMDLINE 10
189 /* XXX: use a two level table to limit memory usage */
190 #define MAX_IOPORTS 65536
192 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
193 const char *bios_name
= NULL
;
194 static void *ioport_opaque
[MAX_IOPORTS
];
195 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
196 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
197 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
198 to store the VM snapshots */
199 DriveInfo drives_table
[MAX_DRIVES
+1];
201 static int vga_ram_size
;
202 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
203 static DisplayState
*display_state
;
207 const char* keyboard_layout
= NULL
;
208 int64_t ticks_per_sec
;
211 NICInfo nd_table
[MAX_NICS
];
213 static int autostart
;
214 static int rtc_utc
= 1;
215 static int rtc_date_offset
= -1; /* -1 means no change */
216 int cirrus_vga_enabled
= 1;
217 int std_vga_enabled
= 0;
218 int vmsvga_enabled
= 0;
219 int xenfb_enabled
= 0;
221 int graphic_width
= 1024;
222 int graphic_height
= 768;
223 int graphic_depth
= 8;
225 int graphic_width
= 800;
226 int graphic_height
= 600;
227 int graphic_depth
= 15;
229 static int full_screen
= 0;
231 static int no_frame
= 0;
234 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
235 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
236 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
238 int win2k_install_hack
= 0;
244 const char *vnc_display
;
245 int acpi_enabled
= 1;
251 int graphic_rotate
= 0;
255 const char *option_rom
[MAX_OPTION_ROMS
];
257 int semihosting_enabled
= 0;
261 const char *qemu_name
;
263 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
264 unsigned int nb_prom_envs
= 0;
265 const char *prom_envs
[MAX_PROM_ENVS
];
268 struct drive_opt drives_opt
[MAX_DRIVES
];
271 uint64_t node_mem
[MAX_NODES
];
272 uint64_t node_cpumask
[MAX_NODES
];
274 static CPUState
*cur_cpu
;
275 static CPUState
*next_cpu
;
276 static int timer_alarm_pending
= 1;
277 /* Conversion factor from emulated instructions to virtual clock ticks. */
278 static int icount_time_shift
;
279 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
280 #define MAX_ICOUNT_SHIFT 10
281 /* Compensate for varying guest execution speed. */
282 static int64_t qemu_icount_bias
;
283 static QEMUTimer
*icount_rt_timer
;
284 static QEMUTimer
*icount_vm_timer
;
285 static QEMUTimer
*nographic_timer
;
287 uint8_t qemu_uuid
[16];
289 /***********************************************************/
290 /* x86 ISA bus support */
292 target_phys_addr_t isa_mem_base
= 0;
295 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
296 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
298 static uint32_t ioport_read(int index
, uint32_t address
)
300 static IOPortReadFunc
*default_func
[3] = {
301 default_ioport_readb
,
302 default_ioport_readw
,
305 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
307 func
= default_func
[index
];
308 return func(ioport_opaque
[address
], address
);
311 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
313 static IOPortWriteFunc
*default_func
[3] = {
314 default_ioport_writeb
,
315 default_ioport_writew
,
316 default_ioport_writel
318 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
320 func
= default_func
[index
];
321 func(ioport_opaque
[address
], address
, data
);
324 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
326 #ifdef DEBUG_UNUSED_IOPORT
327 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
332 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
334 #ifdef DEBUG_UNUSED_IOPORT
335 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
339 /* default is to make two byte accesses */
340 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
343 data
= ioport_read(0, address
);
344 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
345 data
|= ioport_read(0, address
) << 8;
349 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
351 ioport_write(0, address
, data
& 0xff);
352 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
353 ioport_write(0, address
, (data
>> 8) & 0xff);
356 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
358 #ifdef DEBUG_UNUSED_IOPORT
359 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
364 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
366 #ifdef DEBUG_UNUSED_IOPORT
367 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
371 /* size is the word size in byte */
372 int register_ioport_read(int start
, int length
, int size
,
373 IOPortReadFunc
*func
, void *opaque
)
379 } else if (size
== 2) {
381 } else if (size
== 4) {
384 hw_error("register_ioport_read: invalid size");
387 for(i
= start
; i
< start
+ length
; i
+= size
) {
388 ioport_read_table
[bsize
][i
] = func
;
389 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
390 hw_error("register_ioport_read: invalid opaque");
391 ioport_opaque
[i
] = opaque
;
396 /* size is the word size in byte */
397 int register_ioport_write(int start
, int length
, int size
,
398 IOPortWriteFunc
*func
, void *opaque
)
404 } else if (size
== 2) {
406 } else if (size
== 4) {
409 hw_error("register_ioport_write: invalid size");
412 for(i
= start
; i
< start
+ length
; i
+= size
) {
413 ioport_write_table
[bsize
][i
] = func
;
414 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
415 hw_error("register_ioport_write: invalid opaque");
416 ioport_opaque
[i
] = opaque
;
421 void isa_unassign_ioport(int start
, int length
)
425 for(i
= start
; i
< start
+ length
; i
++) {
426 ioport_read_table
[0][i
] = default_ioport_readb
;
427 ioport_read_table
[1][i
] = default_ioport_readw
;
428 ioport_read_table
[2][i
] = default_ioport_readl
;
430 ioport_write_table
[0][i
] = default_ioport_writeb
;
431 ioport_write_table
[1][i
] = default_ioport_writew
;
432 ioport_write_table
[2][i
] = default_ioport_writel
;
434 ioport_opaque
[i
] = NULL
;
438 /***********************************************************/
440 void cpu_outb(CPUState
*env
, int addr
, int val
)
442 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
443 ioport_write(0, addr
, val
);
446 env
->last_io_time
= cpu_get_time_fast();
450 void cpu_outw(CPUState
*env
, int addr
, int val
)
452 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
453 ioport_write(1, addr
, val
);
456 env
->last_io_time
= cpu_get_time_fast();
460 void cpu_outl(CPUState
*env
, int addr
, int val
)
462 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
463 ioport_write(2, addr
, val
);
466 env
->last_io_time
= cpu_get_time_fast();
470 int cpu_inb(CPUState
*env
, int addr
)
473 val
= ioport_read(0, addr
);
474 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
477 env
->last_io_time
= cpu_get_time_fast();
482 int cpu_inw(CPUState
*env
, int addr
)
485 val
= ioport_read(1, addr
);
486 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
489 env
->last_io_time
= cpu_get_time_fast();
494 int cpu_inl(CPUState
*env
, int addr
)
497 val
= ioport_read(2, addr
);
498 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
501 env
->last_io_time
= cpu_get_time_fast();
506 /***********************************************************/
507 void hw_error(const char *fmt
, ...)
513 fprintf(stderr
, "qemu: hardware error: ");
514 vfprintf(stderr
, fmt
, ap
);
515 fprintf(stderr
, "\n");
516 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
517 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
519 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
521 cpu_dump_state(env
, stderr
, fprintf
, 0);
531 static QEMUBalloonEvent
*qemu_balloon_event
;
532 void *qemu_balloon_event_opaque
;
534 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
536 qemu_balloon_event
= func
;
537 qemu_balloon_event_opaque
= opaque
;
540 void qemu_balloon(ram_addr_t target
)
542 if (qemu_balloon_event
)
543 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
546 ram_addr_t
qemu_balloon_status(void)
548 if (qemu_balloon_event
)
549 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
553 /***********************************************************/
556 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
557 static void *qemu_put_kbd_event_opaque
;
558 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
559 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
561 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
563 qemu_put_kbd_event_opaque
= opaque
;
564 qemu_put_kbd_event
= func
;
567 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
568 void *opaque
, int absolute
,
571 QEMUPutMouseEntry
*s
, *cursor
;
573 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
575 s
->qemu_put_mouse_event
= func
;
576 s
->qemu_put_mouse_event_opaque
= opaque
;
577 s
->qemu_put_mouse_event_absolute
= absolute
;
578 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
581 if (!qemu_put_mouse_event_head
) {
582 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
586 cursor
= qemu_put_mouse_event_head
;
587 while (cursor
->next
!= NULL
)
588 cursor
= cursor
->next
;
591 qemu_put_mouse_event_current
= s
;
596 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
598 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
600 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
603 cursor
= qemu_put_mouse_event_head
;
604 while (cursor
!= NULL
&& cursor
!= entry
) {
606 cursor
= cursor
->next
;
609 if (cursor
== NULL
) // does not exist or list empty
611 else if (prev
== NULL
) { // entry is head
612 qemu_put_mouse_event_head
= cursor
->next
;
613 if (qemu_put_mouse_event_current
== entry
)
614 qemu_put_mouse_event_current
= cursor
->next
;
615 qemu_free(entry
->qemu_put_mouse_event_name
);
620 prev
->next
= entry
->next
;
622 if (qemu_put_mouse_event_current
== entry
)
623 qemu_put_mouse_event_current
= prev
;
625 qemu_free(entry
->qemu_put_mouse_event_name
);
629 void kbd_put_keycode(int keycode
)
631 if (qemu_put_kbd_event
) {
632 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
636 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
638 QEMUPutMouseEvent
*mouse_event
;
639 void *mouse_event_opaque
;
642 if (!qemu_put_mouse_event_current
) {
647 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
649 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
652 if (graphic_rotate
) {
653 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
656 width
= graphic_width
- 1;
657 mouse_event(mouse_event_opaque
,
658 width
- dy
, dx
, dz
, buttons_state
);
660 mouse_event(mouse_event_opaque
,
661 dx
, dy
, dz
, buttons_state
);
665 int kbd_mouse_is_absolute(void)
667 if (!qemu_put_mouse_event_current
)
670 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
673 void do_info_mice(Monitor
*mon
)
675 QEMUPutMouseEntry
*cursor
;
678 if (!qemu_put_mouse_event_head
) {
679 monitor_printf(mon
, "No mouse devices connected\n");
683 monitor_printf(mon
, "Mouse devices available:\n");
684 cursor
= qemu_put_mouse_event_head
;
685 while (cursor
!= NULL
) {
686 monitor_printf(mon
, "%c Mouse #%d: %s\n",
687 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
688 index
, cursor
->qemu_put_mouse_event_name
);
690 cursor
= cursor
->next
;
694 void do_mouse_set(Monitor
*mon
, int index
)
696 QEMUPutMouseEntry
*cursor
;
699 if (!qemu_put_mouse_event_head
) {
700 monitor_printf(mon
, "No mouse devices connected\n");
704 cursor
= qemu_put_mouse_event_head
;
705 while (cursor
!= NULL
&& index
!= i
) {
707 cursor
= cursor
->next
;
711 qemu_put_mouse_event_current
= cursor
;
713 monitor_printf(mon
, "Mouse at given index not found\n");
716 /* compute with 96 bit intermediate result: (a*b)/c */
717 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
722 #ifdef WORDS_BIGENDIAN
732 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
733 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
736 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
740 /***********************************************************/
741 /* real time host monotonic timer */
743 #define QEMU_TIMER_BASE 1000000000LL
747 static int64_t clock_freq
;
749 static void init_get_clock(void)
753 ret
= QueryPerformanceFrequency(&freq
);
755 fprintf(stderr
, "Could not calibrate ticks\n");
758 clock_freq
= freq
.QuadPart
;
761 static int64_t get_clock(void)
764 QueryPerformanceCounter(&ti
);
765 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
770 static int use_rt_clock
;
772 static void init_get_clock(void)
775 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
776 || defined(__DragonFly__)
779 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
786 static int64_t get_clock(void)
788 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
789 || defined(__DragonFly__)
792 clock_gettime(CLOCK_MONOTONIC
, &ts
);
793 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
797 /* XXX: using gettimeofday leads to problems if the date
798 changes, so it should be avoided. */
800 gettimeofday(&tv
, NULL
);
801 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
806 /* Return the virtual CPU time, based on the instruction counter. */
807 static int64_t cpu_get_icount(void)
810 CPUState
*env
= cpu_single_env
;;
811 icount
= qemu_icount
;
814 fprintf(stderr
, "Bad clock read\n");
815 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
817 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
820 /***********************************************************/
821 /* guest cycle counter */
823 static int64_t cpu_ticks_prev
;
824 static int64_t cpu_ticks_offset
;
825 static int64_t cpu_clock_offset
;
826 static int cpu_ticks_enabled
;
828 /* return the host CPU cycle counter and handle stop/restart */
829 int64_t cpu_get_ticks(void)
832 return cpu_get_icount();
834 if (!cpu_ticks_enabled
) {
835 return cpu_ticks_offset
;
838 ticks
= cpu_get_real_ticks();
839 if (cpu_ticks_prev
> ticks
) {
840 /* Note: non increasing ticks may happen if the host uses
842 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
844 cpu_ticks_prev
= ticks
;
845 return ticks
+ cpu_ticks_offset
;
849 /* return the host CPU monotonic timer and handle stop/restart */
850 static int64_t cpu_get_clock(void)
853 if (!cpu_ticks_enabled
) {
854 return cpu_clock_offset
;
857 return ti
+ cpu_clock_offset
;
861 /* enable cpu_get_ticks() */
862 void cpu_enable_ticks(void)
864 if (!cpu_ticks_enabled
) {
865 cpu_ticks_offset
-= cpu_get_real_ticks();
866 cpu_clock_offset
-= get_clock();
867 cpu_ticks_enabled
= 1;
871 /* disable cpu_get_ticks() : the clock is stopped. You must not call
872 cpu_get_ticks() after that. */
873 void cpu_disable_ticks(void)
875 if (cpu_ticks_enabled
) {
876 cpu_ticks_offset
= cpu_get_ticks();
877 cpu_clock_offset
= cpu_get_clock();
878 cpu_ticks_enabled
= 0;
882 /***********************************************************/
885 #define QEMU_TIMER_REALTIME 0
886 #define QEMU_TIMER_VIRTUAL 1
890 /* XXX: add frequency */
898 struct QEMUTimer
*next
;
901 struct qemu_alarm_timer
{
905 int (*start
)(struct qemu_alarm_timer
*t
);
906 void (*stop
)(struct qemu_alarm_timer
*t
);
907 void (*rearm
)(struct qemu_alarm_timer
*t
);
911 #define ALARM_FLAG_DYNTICKS 0x1
912 #define ALARM_FLAG_EXPIRED 0x2
914 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
916 return t
->flags
& ALARM_FLAG_DYNTICKS
;
919 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
921 if (!alarm_has_dynticks(t
))
927 /* TODO: MIN_TIMER_REARM_US should be optimized */
928 #define MIN_TIMER_REARM_US 250
930 static struct qemu_alarm_timer
*alarm_timer
;
934 struct qemu_alarm_win32
{
937 } alarm_win32_data
= {0, NULL
, -1};
939 static int win32_start_timer(struct qemu_alarm_timer
*t
);
940 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
941 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
945 static int unix_start_timer(struct qemu_alarm_timer
*t
);
946 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
950 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
951 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
952 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
954 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
955 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
957 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
958 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
960 #endif /* __linux__ */
964 /* Correlation between real and virtual time is always going to be
965 fairly approximate, so ignore small variation.
966 When the guest is idle real and virtual time will be aligned in
968 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
970 static void icount_adjust(void)
975 static int64_t last_delta
;
976 /* If the VM is not running, then do nothing. */
980 cur_time
= cpu_get_clock();
981 cur_icount
= qemu_get_clock(vm_clock
);
982 delta
= cur_icount
- cur_time
;
983 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
985 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
986 && icount_time_shift
> 0) {
987 /* The guest is getting too far ahead. Slow time down. */
991 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
992 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
993 /* The guest is getting too far behind. Speed time up. */
997 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
1000 static void icount_adjust_rt(void * opaque
)
1002 qemu_mod_timer(icount_rt_timer
,
1003 qemu_get_clock(rt_clock
) + 1000);
1007 static void icount_adjust_vm(void * opaque
)
1009 qemu_mod_timer(icount_vm_timer
,
1010 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1014 static void init_icount_adjust(void)
1016 /* Have both realtime and virtual time triggers for speed adjustment.
1017 The realtime trigger catches emulated time passing too slowly,
1018 the virtual time trigger catches emulated time passing too fast.
1019 Realtime triggers occur even when idle, so use them less frequently
1020 than VM triggers. */
1021 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1022 qemu_mod_timer(icount_rt_timer
,
1023 qemu_get_clock(rt_clock
) + 1000);
1024 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1025 qemu_mod_timer(icount_vm_timer
,
1026 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1029 static struct qemu_alarm_timer alarm_timers
[] = {
1032 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1033 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1034 /* HPET - if available - is preferred */
1035 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1036 /* ...otherwise try RTC */
1037 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1039 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1041 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1042 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1043 {"win32", 0, win32_start_timer
,
1044 win32_stop_timer
, NULL
, &alarm_win32_data
},
1049 static void show_available_alarms(void)
1053 printf("Available alarm timers, in order of precedence:\n");
1054 for (i
= 0; alarm_timers
[i
].name
; i
++)
1055 printf("%s\n", alarm_timers
[i
].name
);
1058 static void configure_alarms(char const *opt
)
1062 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1065 struct qemu_alarm_timer tmp
;
1067 if (!strcmp(opt
, "?")) {
1068 show_available_alarms();
1074 /* Reorder the array */
1075 name
= strtok(arg
, ",");
1077 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1078 if (!strcmp(alarm_timers
[i
].name
, name
))
1083 fprintf(stderr
, "Unknown clock %s\n", name
);
1092 tmp
= alarm_timers
[i
];
1093 alarm_timers
[i
] = alarm_timers
[cur
];
1094 alarm_timers
[cur
] = tmp
;
1098 name
= strtok(NULL
, ",");
1104 /* Disable remaining timers */
1105 for (i
= cur
; i
< count
; i
++)
1106 alarm_timers
[i
].name
= NULL
;
1108 show_available_alarms();
1113 QEMUClock
*rt_clock
;
1114 QEMUClock
*vm_clock
;
1116 static QEMUTimer
*active_timers
[2];
1118 static QEMUClock
*qemu_new_clock(int type
)
1121 clock
= qemu_mallocz(sizeof(QEMUClock
));
1126 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1130 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1133 ts
->opaque
= opaque
;
1137 void qemu_free_timer(QEMUTimer
*ts
)
1142 /* stop a timer, but do not dealloc it */
1143 void qemu_del_timer(QEMUTimer
*ts
)
1147 /* NOTE: this code must be signal safe because
1148 qemu_timer_expired() can be called from a signal. */
1149 pt
= &active_timers
[ts
->clock
->type
];
1162 /* modify the current timer so that it will be fired when current_time
1163 >= expire_time. The corresponding callback will be called. */
1164 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1170 /* add the timer in the sorted list */
1171 /* NOTE: this code must be signal safe because
1172 qemu_timer_expired() can be called from a signal. */
1173 pt
= &active_timers
[ts
->clock
->type
];
1178 if (t
->expire_time
> expire_time
)
1182 ts
->expire_time
= expire_time
;
1186 /* Rearm if necessary */
1187 if (pt
== &active_timers
[ts
->clock
->type
]) {
1188 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1189 qemu_rearm_alarm_timer(alarm_timer
);
1191 /* Interrupt execution to force deadline recalculation. */
1193 qemu_notify_event();
1197 int qemu_timer_pending(QEMUTimer
*ts
)
1200 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1207 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1211 return (timer_head
->expire_time
<= current_time
);
1214 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1220 if (!ts
|| ts
->expire_time
> current_time
)
1222 /* remove timer from the list before calling the callback */
1223 *ptimer_head
= ts
->next
;
1226 /* run the callback (the timer list can be modified) */
1231 int64_t qemu_get_clock(QEMUClock
*clock
)
1233 switch(clock
->type
) {
1234 case QEMU_TIMER_REALTIME
:
1235 return get_clock() / 1000000;
1237 case QEMU_TIMER_VIRTUAL
:
1239 return cpu_get_icount();
1241 return cpu_get_clock();
1246 static void init_timers(void)
1249 ticks_per_sec
= QEMU_TIMER_BASE
;
1250 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1251 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1255 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1257 uint64_t expire_time
;
1259 if (qemu_timer_pending(ts
)) {
1260 expire_time
= ts
->expire_time
;
1264 qemu_put_be64(f
, expire_time
);
1267 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1269 uint64_t expire_time
;
1271 expire_time
= qemu_get_be64(f
);
1272 if (expire_time
!= -1) {
1273 qemu_mod_timer(ts
, expire_time
);
1279 static void timer_save(QEMUFile
*f
, void *opaque
)
1281 if (cpu_ticks_enabled
) {
1282 hw_error("cannot save state if virtual timers are running");
1284 qemu_put_be64(f
, cpu_ticks_offset
);
1285 qemu_put_be64(f
, ticks_per_sec
);
1286 qemu_put_be64(f
, cpu_clock_offset
);
1289 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1291 if (version_id
!= 1 && version_id
!= 2)
1293 if (cpu_ticks_enabled
) {
1296 cpu_ticks_offset
=qemu_get_be64(f
);
1297 ticks_per_sec
=qemu_get_be64(f
);
1298 if (version_id
== 2) {
1299 cpu_clock_offset
=qemu_get_be64(f
);
1304 static void qemu_event_increment(void);
1307 static void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1308 DWORD_PTR dwUser
, DWORD_PTR dw1
,
1311 static void host_alarm_handler(int host_signum
)
1315 #define DISP_FREQ 1000
1317 static int64_t delta_min
= INT64_MAX
;
1318 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1320 ti
= qemu_get_clock(vm_clock
);
1321 if (last_clock
!= 0) {
1322 delta
= ti
- last_clock
;
1323 if (delta
< delta_min
)
1325 if (delta
> delta_max
)
1328 if (++count
== DISP_FREQ
) {
1329 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1330 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1331 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1332 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1333 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1335 delta_min
= INT64_MAX
;
1343 if (alarm_has_dynticks(alarm_timer
) ||
1345 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1346 qemu_get_clock(vm_clock
))) ||
1347 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1348 qemu_get_clock(rt_clock
))) {
1349 CPUState
*env
= next_cpu
;
1351 qemu_event_increment();
1352 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1355 /* stop the currently executing cpu because a timer occured */
1358 if (env
->kqemu_enabled
) {
1359 kqemu_cpu_interrupt(env
);
1363 timer_alarm_pending
= 1;
1364 qemu_notify_event();
1368 static int64_t qemu_next_deadline(void)
1372 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1373 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1374 qemu_get_clock(vm_clock
);
1376 /* To avoid problems with overflow limit this to 2^32. */
1386 #if defined(__linux__) || defined(_WIN32)
1387 static uint64_t qemu_next_deadline_dyntick(void)
1395 delta
= (qemu_next_deadline() + 999) / 1000;
1397 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1398 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1399 qemu_get_clock(rt_clock
))*1000;
1400 if (rtdelta
< delta
)
1404 if (delta
< MIN_TIMER_REARM_US
)
1405 delta
= MIN_TIMER_REARM_US
;
1413 /* Sets a specific flag */
1414 static int fcntl_setfl(int fd
, int flag
)
1418 flags
= fcntl(fd
, F_GETFL
);
1422 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1428 #if defined(__linux__)
1430 #define RTC_FREQ 1024
1432 static void enable_sigio_timer(int fd
)
1434 struct sigaction act
;
1437 sigfillset(&act
.sa_mask
);
1439 act
.sa_handler
= host_alarm_handler
;
1441 sigaction(SIGIO
, &act
, NULL
);
1442 fcntl_setfl(fd
, O_ASYNC
);
1443 fcntl(fd
, F_SETOWN
, getpid());
1446 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1448 struct hpet_info info
;
1451 fd
= open("/dev/hpet", O_RDONLY
);
1456 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1458 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1459 "error, but for better emulation accuracy type:\n"
1460 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1464 /* Check capabilities */
1465 r
= ioctl(fd
, HPET_INFO
, &info
);
1469 /* Enable periodic mode */
1470 r
= ioctl(fd
, HPET_EPI
, 0);
1471 if (info
.hi_flags
&& (r
< 0))
1474 /* Enable interrupt */
1475 r
= ioctl(fd
, HPET_IE_ON
, 0);
1479 enable_sigio_timer(fd
);
1480 t
->priv
= (void *)(long)fd
;
1488 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1490 int fd
= (long)t
->priv
;
1495 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1498 unsigned long current_rtc_freq
= 0;
1500 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1503 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1504 if (current_rtc_freq
!= RTC_FREQ
&&
1505 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1506 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1507 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1508 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1511 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1517 enable_sigio_timer(rtc_fd
);
1519 t
->priv
= (void *)(long)rtc_fd
;
1524 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1526 int rtc_fd
= (long)t
->priv
;
1531 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1535 struct sigaction act
;
1537 sigfillset(&act
.sa_mask
);
1539 act
.sa_handler
= host_alarm_handler
;
1541 sigaction(SIGALRM
, &act
, NULL
);
1543 ev
.sigev_value
.sival_int
= 0;
1544 ev
.sigev_notify
= SIGEV_SIGNAL
;
1545 ev
.sigev_signo
= SIGALRM
;
1547 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1548 perror("timer_create");
1550 /* disable dynticks */
1551 fprintf(stderr
, "Dynamic Ticks disabled\n");
1556 t
->priv
= (void *)(long)host_timer
;
1561 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1563 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1565 timer_delete(host_timer
);
1568 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1570 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1571 struct itimerspec timeout
;
1572 int64_t nearest_delta_us
= INT64_MAX
;
1575 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1576 !active_timers
[QEMU_TIMER_VIRTUAL
])
1579 nearest_delta_us
= qemu_next_deadline_dyntick();
1581 /* check whether a timer is already running */
1582 if (timer_gettime(host_timer
, &timeout
)) {
1584 fprintf(stderr
, "Internal timer error: aborting\n");
1587 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1588 if (current_us
&& current_us
<= nearest_delta_us
)
1591 timeout
.it_interval
.tv_sec
= 0;
1592 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1593 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1594 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1595 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1597 fprintf(stderr
, "Internal timer error: aborting\n");
1602 #endif /* defined(__linux__) */
1604 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1606 struct sigaction act
;
1607 struct itimerval itv
;
1611 sigfillset(&act
.sa_mask
);
1613 act
.sa_handler
= host_alarm_handler
;
1615 sigaction(SIGALRM
, &act
, NULL
);
1617 itv
.it_interval
.tv_sec
= 0;
1618 /* for i386 kernel 2.6 to get 1 ms */
1619 itv
.it_interval
.tv_usec
= 999;
1620 itv
.it_value
.tv_sec
= 0;
1621 itv
.it_value
.tv_usec
= 10 * 1000;
1623 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1630 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1632 struct itimerval itv
;
1634 memset(&itv
, 0, sizeof(itv
));
1635 setitimer(ITIMER_REAL
, &itv
, NULL
);
1638 #endif /* !defined(_WIN32) */
1643 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1646 struct qemu_alarm_win32
*data
= t
->priv
;
1649 memset(&tc
, 0, sizeof(tc
));
1650 timeGetDevCaps(&tc
, sizeof(tc
));
1652 if (data
->period
< tc
.wPeriodMin
)
1653 data
->period
= tc
.wPeriodMin
;
1655 timeBeginPeriod(data
->period
);
1657 flags
= TIME_CALLBACK_FUNCTION
;
1658 if (alarm_has_dynticks(t
))
1659 flags
|= TIME_ONESHOT
;
1661 flags
|= TIME_PERIODIC
;
1663 data
->timerId
= timeSetEvent(1, // interval (ms)
1664 data
->period
, // resolution
1665 host_alarm_handler
, // function
1666 (DWORD
)t
, // parameter
1669 if (!data
->timerId
) {
1670 perror("Failed to initialize win32 alarm timer");
1671 timeEndPeriod(data
->period
);
1678 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1680 struct qemu_alarm_win32
*data
= t
->priv
;
1682 timeKillEvent(data
->timerId
);
1683 timeEndPeriod(data
->period
);
1686 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1688 struct qemu_alarm_win32
*data
= t
->priv
;
1689 uint64_t nearest_delta_us
;
1691 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1692 !active_timers
[QEMU_TIMER_VIRTUAL
])
1695 nearest_delta_us
= qemu_next_deadline_dyntick();
1696 nearest_delta_us
/= 1000;
1698 timeKillEvent(data
->timerId
);
1700 data
->timerId
= timeSetEvent(1,
1704 TIME_ONESHOT
| TIME_PERIODIC
);
1706 if (!data
->timerId
) {
1707 perror("Failed to re-arm win32 alarm timer");
1709 timeEndPeriod(data
->period
);
1716 static int init_timer_alarm(void)
1718 struct qemu_alarm_timer
*t
= NULL
;
1721 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1722 t
= &alarm_timers
[i
];
1742 static void quit_timers(void)
1744 alarm_timer
->stop(alarm_timer
);
1748 /***********************************************************/
1749 /* host time/date access */
1750 void qemu_get_timedate(struct tm
*tm
, int offset
)
1757 if (rtc_date_offset
== -1) {
1761 ret
= localtime(&ti
);
1763 ti
-= rtc_date_offset
;
1767 memcpy(tm
, ret
, sizeof(struct tm
));
1770 int qemu_timedate_diff(struct tm
*tm
)
1774 if (rtc_date_offset
== -1)
1776 seconds
= mktimegm(tm
);
1778 seconds
= mktime(tm
);
1780 seconds
= mktimegm(tm
) + rtc_date_offset
;
1782 return seconds
- time(NULL
);
1786 static void socket_cleanup(void)
1791 static int socket_init(void)
1796 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1798 err
= WSAGetLastError();
1799 fprintf(stderr
, "WSAStartup: %d\n", err
);
1802 atexit(socket_cleanup
);
1807 const char *get_opt_name(char *buf
, int buf_size
, const char *p
, char delim
)
1812 while (*p
!= '\0' && *p
!= delim
) {
1813 if (q
&& (q
- buf
) < buf_size
- 1)
1823 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1828 while (*p
!= '\0') {
1830 if (*(p
+ 1) != ',')
1834 if (q
&& (q
- buf
) < buf_size
- 1)
1844 int get_param_value(char *buf
, int buf_size
,
1845 const char *tag
, const char *str
)
1852 p
= get_opt_name(option
, sizeof(option
), p
, '=');
1856 if (!strcmp(tag
, option
)) {
1857 (void)get_opt_value(buf
, buf_size
, p
);
1860 p
= get_opt_value(NULL
, 0, p
);
1869 int check_params(char *buf
, int buf_size
,
1870 const char * const *params
, const char *str
)
1876 while (*p
!= '\0') {
1877 p
= get_opt_name(buf
, buf_size
, p
, '=');
1881 for(i
= 0; params
[i
] != NULL
; i
++)
1882 if (!strcmp(params
[i
], buf
))
1884 if (params
[i
] == NULL
)
1886 p
= get_opt_value(NULL
, 0, p
);
1894 /***********************************************************/
1895 /* Bluetooth support */
1898 static struct HCIInfo
*hci_table
[MAX_NICS
];
1900 static struct bt_vlan_s
{
1901 struct bt_scatternet_s net
;
1903 struct bt_vlan_s
*next
;
1906 /* find or alloc a new bluetooth "VLAN" */
1907 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1909 struct bt_vlan_s
**pvlan
, *vlan
;
1910 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1914 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1916 pvlan
= &first_bt_vlan
;
1917 while (*pvlan
!= NULL
)
1918 pvlan
= &(*pvlan
)->next
;
1923 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1927 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1932 static struct HCIInfo null_hci
= {
1933 .cmd_send
= null_hci_send
,
1934 .sco_send
= null_hci_send
,
1935 .acl_send
= null_hci_send
,
1936 .bdaddr_set
= null_hci_addr_set
,
1939 struct HCIInfo
*qemu_next_hci(void)
1941 if (cur_hci
== nb_hcis
)
1944 return hci_table
[cur_hci
++];
1947 static struct HCIInfo
*hci_init(const char *str
)
1950 struct bt_scatternet_s
*vlan
= 0;
1952 if (!strcmp(str
, "null"))
1955 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
1957 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
1958 else if (!strncmp(str
, "hci", 3)) {
1961 if (!strncmp(str
+ 3, ",vlan=", 6)) {
1962 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
1967 vlan
= qemu_find_bt_vlan(0);
1969 return bt_new_hci(vlan
);
1972 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
1977 static int bt_hci_parse(const char *str
)
1979 struct HCIInfo
*hci
;
1982 if (nb_hcis
>= MAX_NICS
) {
1983 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
1987 hci
= hci_init(str
);
1996 bdaddr
.b
[5] = 0x56 + nb_hcis
;
1997 hci
->bdaddr_set(hci
, bdaddr
.b
);
1999 hci_table
[nb_hcis
++] = hci
;
2004 static void bt_vhci_add(int vlan_id
)
2006 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2009 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2010 "an empty scatternet %i\n", vlan_id
);
2012 bt_vhci_init(bt_new_hci(vlan
));
2015 static struct bt_device_s
*bt_device_add(const char *opt
)
2017 struct bt_scatternet_s
*vlan
;
2019 char *endp
= strstr(opt
, ",vlan=");
2020 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2023 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2026 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2028 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2033 vlan
= qemu_find_bt_vlan(vlan_id
);
2036 fprintf(stderr
, "qemu: warning: adding a slave device to "
2037 "an empty scatternet %i\n", vlan_id
);
2039 if (!strcmp(devname
, "keyboard"))
2040 return bt_keyboard_init(vlan
);
2042 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2046 static int bt_parse(const char *opt
)
2048 const char *endp
, *p
;
2051 if (strstart(opt
, "hci", &endp
)) {
2052 if (!*endp
|| *endp
== ',') {
2054 if (!strstart(endp
, ",vlan=", 0))
2057 return bt_hci_parse(opt
);
2059 } else if (strstart(opt
, "vhci", &endp
)) {
2060 if (!*endp
|| *endp
== ',') {
2062 if (strstart(endp
, ",vlan=", &p
)) {
2063 vlan
= strtol(p
, (char **) &endp
, 0);
2065 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2069 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2078 } else if (strstart(opt
, "device:", &endp
))
2079 return !bt_device_add(endp
);
2081 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2085 /***********************************************************/
2086 /* QEMU Block devices */
2088 #define HD_ALIAS "index=%d,media=disk"
2089 #define CDROM_ALIAS "index=2,media=cdrom"
2090 #define FD_ALIAS "index=%d,if=floppy"
2091 #define PFLASH_ALIAS "if=pflash"
2092 #define MTD_ALIAS "if=mtd"
2093 #define SD_ALIAS "index=0,if=sd"
2095 static int drive_opt_get_free_idx(void)
2099 for (index
= 0; index
< MAX_DRIVES
; index
++)
2100 if (!drives_opt
[index
].used
) {
2101 drives_opt
[index
].used
= 1;
2108 static int drive_get_free_idx(void)
2112 for (index
= 0; index
< MAX_DRIVES
; index
++)
2113 if (!drives_table
[index
].used
) {
2114 drives_table
[index
].used
= 1;
2121 int drive_add(const char *file
, const char *fmt
, ...)
2124 int index
= drive_opt_get_free_idx();
2126 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
2127 fprintf(stderr
, "qemu: too many drives\n");
2131 drives_opt
[index
].file
= file
;
2133 vsnprintf(drives_opt
[index
].opt
,
2134 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2141 void drive_remove(int index
)
2143 drives_opt
[index
].used
= 0;
2147 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2151 /* seek interface, bus and unit */
2153 for (index
= 0; index
< MAX_DRIVES
; index
++)
2154 if (drives_table
[index
].type
== type
&&
2155 drives_table
[index
].bus
== bus
&&
2156 drives_table
[index
].unit
== unit
&&
2157 drives_table
[index
].used
)
2163 int drive_get_max_bus(BlockInterfaceType type
)
2169 for (index
= 0; index
< nb_drives
; index
++) {
2170 if(drives_table
[index
].type
== type
&&
2171 drives_table
[index
].bus
> max_bus
)
2172 max_bus
= drives_table
[index
].bus
;
2177 const char *drive_get_serial(BlockDriverState
*bdrv
)
2181 for (index
= 0; index
< nb_drives
; index
++)
2182 if (drives_table
[index
].bdrv
== bdrv
)
2183 return drives_table
[index
].serial
;
2188 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2192 for (index
= 0; index
< nb_drives
; index
++)
2193 if (drives_table
[index
].bdrv
== bdrv
)
2194 return drives_table
[index
].onerror
;
2196 return BLOCK_ERR_STOP_ENOSPC
;
2199 static void bdrv_format_print(void *opaque
, const char *name
)
2201 fprintf(stderr
, " %s", name
);
2204 void drive_uninit(BlockDriverState
*bdrv
)
2208 for (i
= 0; i
< MAX_DRIVES
; i
++)
2209 if (drives_table
[i
].bdrv
== bdrv
) {
2210 drives_table
[i
].bdrv
= NULL
;
2211 drives_table
[i
].used
= 0;
2212 drive_remove(drives_table
[i
].drive_opt_idx
);
2218 int drive_init(struct drive_opt
*arg
, int snapshot
, void *opaque
)
2224 const char *mediastr
= "";
2225 BlockInterfaceType type
;
2226 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2227 int bus_id
, unit_id
;
2228 int cyls
, heads
, secs
, translation
;
2229 BlockDriverState
*bdrv
;
2230 BlockDriver
*drv
= NULL
;
2231 QEMUMachine
*machine
= opaque
;
2235 int bdrv_flags
, onerror
;
2236 int drives_table_idx
;
2237 char *str
= arg
->opt
;
2238 static const char * const params
[] = { "bus", "unit", "if", "index",
2239 "cyls", "heads", "secs", "trans",
2240 "media", "snapshot", "file",
2241 "cache", "format", "serial", "werror",
2244 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2245 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2251 cyls
= heads
= secs
= 0;
2254 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2258 if (machine
->use_scsi
) {
2260 max_devs
= MAX_SCSI_DEVS
;
2261 pstrcpy(devname
, sizeof(devname
), "scsi");
2264 max_devs
= MAX_IDE_DEVS
;
2265 pstrcpy(devname
, sizeof(devname
), "ide");
2269 /* extract parameters */
2271 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2272 bus_id
= strtol(buf
, NULL
, 0);
2274 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2279 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2280 unit_id
= strtol(buf
, NULL
, 0);
2282 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2287 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2288 pstrcpy(devname
, sizeof(devname
), buf
);
2289 if (!strcmp(buf
, "ide")) {
2291 max_devs
= MAX_IDE_DEVS
;
2292 } else if (!strcmp(buf
, "scsi")) {
2294 max_devs
= MAX_SCSI_DEVS
;
2295 } else if (!strcmp(buf
, "floppy")) {
2298 } else if (!strcmp(buf
, "pflash")) {
2301 } else if (!strcmp(buf
, "mtd")) {
2304 } else if (!strcmp(buf
, "sd")) {
2307 } else if (!strcmp(buf
, "virtio")) {
2310 } else if (!strcmp(buf
, "xen")) {
2314 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2319 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2320 index
= strtol(buf
, NULL
, 0);
2322 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2327 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2328 cyls
= strtol(buf
, NULL
, 0);
2331 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2332 heads
= strtol(buf
, NULL
, 0);
2335 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2336 secs
= strtol(buf
, NULL
, 0);
2339 if (cyls
|| heads
|| secs
) {
2340 if (cyls
< 1 || cyls
> 16383) {
2341 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2344 if (heads
< 1 || heads
> 16) {
2345 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2348 if (secs
< 1 || secs
> 63) {
2349 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2354 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2357 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2361 if (!strcmp(buf
, "none"))
2362 translation
= BIOS_ATA_TRANSLATION_NONE
;
2363 else if (!strcmp(buf
, "lba"))
2364 translation
= BIOS_ATA_TRANSLATION_LBA
;
2365 else if (!strcmp(buf
, "auto"))
2366 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2368 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2373 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2374 if (!strcmp(buf
, "disk")) {
2376 } else if (!strcmp(buf
, "cdrom")) {
2377 if (cyls
|| secs
|| heads
) {
2379 "qemu: '%s' invalid physical CHS format\n", str
);
2382 media
= MEDIA_CDROM
;
2384 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2389 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2390 if (!strcmp(buf
, "on"))
2392 else if (!strcmp(buf
, "off"))
2395 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2400 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2401 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2403 else if (!strcmp(buf
, "writethrough"))
2405 else if (!strcmp(buf
, "writeback"))
2408 fprintf(stderr
, "qemu: invalid cache option\n");
2413 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2414 if (strcmp(buf
, "?") == 0) {
2415 fprintf(stderr
, "qemu: Supported formats:");
2416 bdrv_iterate_format(bdrv_format_print
, NULL
);
2417 fprintf(stderr
, "\n");
2420 drv
= bdrv_find_format(buf
);
2422 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2427 if (arg
->file
== NULL
)
2428 get_param_value(file
, sizeof(file
), "file", str
);
2430 pstrcpy(file
, sizeof(file
), arg
->file
);
2432 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2433 memset(serial
, 0, sizeof(serial
));
2435 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2436 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2437 if (type
!= IF_IDE
&& type
!= IF_SCSI
&& type
!= IF_VIRTIO
) {
2438 fprintf(stderr
, "werror is no supported by this format\n");
2441 if (!strcmp(buf
, "ignore"))
2442 onerror
= BLOCK_ERR_IGNORE
;
2443 else if (!strcmp(buf
, "enospc"))
2444 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2445 else if (!strcmp(buf
, "stop"))
2446 onerror
= BLOCK_ERR_STOP_ANY
;
2447 else if (!strcmp(buf
, "report"))
2448 onerror
= BLOCK_ERR_REPORT
;
2450 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2455 /* compute bus and unit according index */
2458 if (bus_id
!= 0 || unit_id
!= -1) {
2460 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2468 unit_id
= index
% max_devs
;
2469 bus_id
= index
/ max_devs
;
2473 /* if user doesn't specify a unit_id,
2474 * try to find the first free
2477 if (unit_id
== -1) {
2479 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2481 if (max_devs
&& unit_id
>= max_devs
) {
2482 unit_id
-= max_devs
;
2490 if (max_devs
&& unit_id
>= max_devs
) {
2491 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2492 str
, unit_id
, max_devs
- 1);
2497 * ignore multiple definitions
2500 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2505 if (type
== IF_IDE
|| type
== IF_SCSI
)
2506 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2508 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2509 devname
, bus_id
, mediastr
, unit_id
);
2511 snprintf(buf
, sizeof(buf
), "%s%s%i",
2512 devname
, mediastr
, unit_id
);
2513 bdrv
= bdrv_new(buf
);
2514 drives_table_idx
= drive_get_free_idx();
2515 drives_table
[drives_table_idx
].bdrv
= bdrv
;
2516 drives_table
[drives_table_idx
].type
= type
;
2517 drives_table
[drives_table_idx
].bus
= bus_id
;
2518 drives_table
[drives_table_idx
].unit
= unit_id
;
2519 drives_table
[drives_table_idx
].onerror
= onerror
;
2520 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
2521 strncpy(drives_table
[nb_drives
].serial
, serial
, sizeof(serial
));
2531 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2532 bdrv_set_translation_hint(bdrv
, translation
);
2536 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2541 /* FIXME: This isn't really a floppy, but it's a reasonable
2544 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2555 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2556 cache
= 2; /* always use write-back with snapshot */
2558 if (cache
== 0) /* no caching */
2559 bdrv_flags
|= BDRV_O_NOCACHE
;
2560 else if (cache
== 2) /* write-back */
2561 bdrv_flags
|= BDRV_O_CACHE_WB
;
2562 else if (cache
== 3) /* not specified */
2563 bdrv_flags
|= BDRV_O_CACHE_DEF
;
2564 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0) {
2565 fprintf(stderr
, "qemu: could not open disk image %s\n",
2569 if (bdrv_key_required(bdrv
))
2571 return drives_table_idx
;
2574 static void numa_add(const char *optarg
)
2578 unsigned long long value
, endvalue
;
2581 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
2582 if (!strcmp(option
, "node")) {
2583 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
2584 nodenr
= nb_numa_nodes
;
2586 nodenr
= strtoull(option
, NULL
, 10);
2589 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
2590 node_mem
[nodenr
] = 0;
2592 value
= strtoull(option
, &endptr
, 0);
2594 case 0: case 'M': case 'm':
2601 node_mem
[nodenr
] = value
;
2603 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
2604 node_cpumask
[nodenr
] = 0;
2606 value
= strtoull(option
, &endptr
, 10);
2609 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
2611 if (*endptr
== '-') {
2612 endvalue
= strtoull(endptr
+1, &endptr
, 10);
2613 if (endvalue
>= 63) {
2616 "only 63 CPUs in NUMA mode supported.\n");
2618 value
= (1 << (endvalue
+ 1)) - (1 << value
);
2623 node_cpumask
[nodenr
] = value
;
2630 /***********************************************************/
2633 static USBPort
*used_usb_ports
;
2634 static USBPort
*free_usb_ports
;
2636 /* ??? Maybe change this to register a hub to keep track of the topology. */
2637 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2638 usb_attachfn attach
)
2640 port
->opaque
= opaque
;
2641 port
->index
= index
;
2642 port
->attach
= attach
;
2643 port
->next
= free_usb_ports
;
2644 free_usb_ports
= port
;
2647 int usb_device_add_dev(USBDevice
*dev
)
2651 /* Find a USB port to add the device to. */
2652 port
= free_usb_ports
;
2656 /* Create a new hub and chain it on. */
2657 free_usb_ports
= NULL
;
2658 port
->next
= used_usb_ports
;
2659 used_usb_ports
= port
;
2661 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2662 usb_attach(port
, hub
);
2663 port
= free_usb_ports
;
2666 free_usb_ports
= port
->next
;
2667 port
->next
= used_usb_ports
;
2668 used_usb_ports
= port
;
2669 usb_attach(port
, dev
);
2673 static void usb_msd_password_cb(void *opaque
, int err
)
2675 USBDevice
*dev
= opaque
;
2678 usb_device_add_dev(dev
);
2680 dev
->handle_destroy(dev
);
2683 static int usb_device_add(const char *devname
, int is_hotplug
)
2688 if (!free_usb_ports
)
2691 if (strstart(devname
, "host:", &p
)) {
2692 dev
= usb_host_device_open(p
);
2693 } else if (!strcmp(devname
, "mouse")) {
2694 dev
= usb_mouse_init();
2695 } else if (!strcmp(devname
, "tablet")) {
2696 dev
= usb_tablet_init();
2697 } else if (!strcmp(devname
, "keyboard")) {
2698 dev
= usb_keyboard_init();
2699 } else if (strstart(devname
, "disk:", &p
)) {
2700 BlockDriverState
*bs
;
2702 dev
= usb_msd_init(p
);
2705 bs
= usb_msd_get_bdrv(dev
);
2706 if (bdrv_key_required(bs
)) {
2709 monitor_read_bdrv_key_start(cur_mon
, bs
, usb_msd_password_cb
,
2714 } else if (!strcmp(devname
, "wacom-tablet")) {
2715 dev
= usb_wacom_init();
2716 } else if (strstart(devname
, "serial:", &p
)) {
2717 dev
= usb_serial_init(p
);
2718 #ifdef CONFIG_BRLAPI
2719 } else if (!strcmp(devname
, "braille")) {
2720 dev
= usb_baum_init();
2722 } else if (strstart(devname
, "net:", &p
)) {
2725 if (net_client_init("nic", p
) < 0)
2727 nd_table
[nic
].model
= "usb";
2728 dev
= usb_net_init(&nd_table
[nic
]);
2729 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2730 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2731 bt_new_hci(qemu_find_bt_vlan(0)));
2738 return usb_device_add_dev(dev
);
2741 int usb_device_del_addr(int bus_num
, int addr
)
2747 if (!used_usb_ports
)
2753 lastp
= &used_usb_ports
;
2754 port
= used_usb_ports
;
2755 while (port
&& port
->dev
->addr
!= addr
) {
2756 lastp
= &port
->next
;
2764 *lastp
= port
->next
;
2765 usb_attach(port
, NULL
);
2766 dev
->handle_destroy(dev
);
2767 port
->next
= free_usb_ports
;
2768 free_usb_ports
= port
;
2772 static int usb_device_del(const char *devname
)
2777 if (strstart(devname
, "host:", &p
))
2778 return usb_host_device_close(p
);
2780 if (!used_usb_ports
)
2783 p
= strchr(devname
, '.');
2786 bus_num
= strtoul(devname
, NULL
, 0);
2787 addr
= strtoul(p
+ 1, NULL
, 0);
2789 return usb_device_del_addr(bus_num
, addr
);
2792 void do_usb_add(Monitor
*mon
, const char *devname
)
2794 usb_device_add(devname
, 1);
2797 void do_usb_del(Monitor
*mon
, const char *devname
)
2799 usb_device_del(devname
);
2802 void usb_info(Monitor
*mon
)
2806 const char *speed_str
;
2809 monitor_printf(mon
, "USB support not enabled\n");
2813 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2817 switch(dev
->speed
) {
2821 case USB_SPEED_FULL
:
2824 case USB_SPEED_HIGH
:
2831 monitor_printf(mon
, " Device %d.%d, Speed %s Mb/s, Product %s\n",
2832 0, dev
->addr
, speed_str
, dev
->devname
);
2836 /***********************************************************/
2837 /* PCMCIA/Cardbus */
2839 static struct pcmcia_socket_entry_s
{
2840 struct pcmcia_socket_s
*socket
;
2841 struct pcmcia_socket_entry_s
*next
;
2842 } *pcmcia_sockets
= 0;
2844 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2846 struct pcmcia_socket_entry_s
*entry
;
2848 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2849 entry
->socket
= socket
;
2850 entry
->next
= pcmcia_sockets
;
2851 pcmcia_sockets
= entry
;
2854 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2856 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2858 ptr
= &pcmcia_sockets
;
2859 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2860 if (entry
->socket
== socket
) {
2866 void pcmcia_info(Monitor
*mon
)
2868 struct pcmcia_socket_entry_s
*iter
;
2870 if (!pcmcia_sockets
)
2871 monitor_printf(mon
, "No PCMCIA sockets\n");
2873 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2874 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
2875 iter
->socket
->attached
? iter
->socket
->card_string
:
2879 /***********************************************************/
2880 /* register display */
2882 struct DisplayAllocator default_allocator
= {
2883 defaultallocator_create_displaysurface
,
2884 defaultallocator_resize_displaysurface
,
2885 defaultallocator_free_displaysurface
2888 void register_displaystate(DisplayState
*ds
)
2898 DisplayState
*get_displaystate(void)
2900 return display_state
;
2903 DisplayAllocator
*register_displayallocator(DisplayState
*ds
, DisplayAllocator
*da
)
2905 if(ds
->allocator
== &default_allocator
) ds
->allocator
= da
;
2906 return ds
->allocator
;
2911 static void dumb_display_init(void)
2913 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2914 ds
->allocator
= &default_allocator
;
2915 ds
->surface
= qemu_create_displaysurface(ds
, 640, 480);
2916 register_displaystate(ds
);
2919 /***********************************************************/
2922 typedef struct IOHandlerRecord
{
2924 IOCanRWHandler
*fd_read_poll
;
2926 IOHandler
*fd_write
;
2929 /* temporary data */
2931 struct IOHandlerRecord
*next
;
2934 static IOHandlerRecord
*first_io_handler
;
2936 /* XXX: fd_read_poll should be suppressed, but an API change is
2937 necessary in the character devices to suppress fd_can_read(). */
2938 int qemu_set_fd_handler2(int fd
,
2939 IOCanRWHandler
*fd_read_poll
,
2941 IOHandler
*fd_write
,
2944 IOHandlerRecord
**pioh
, *ioh
;
2946 if (!fd_read
&& !fd_write
) {
2947 pioh
= &first_io_handler
;
2952 if (ioh
->fd
== fd
) {
2959 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2963 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2964 ioh
->next
= first_io_handler
;
2965 first_io_handler
= ioh
;
2968 ioh
->fd_read_poll
= fd_read_poll
;
2969 ioh
->fd_read
= fd_read
;
2970 ioh
->fd_write
= fd_write
;
2971 ioh
->opaque
= opaque
;
2977 int qemu_set_fd_handler(int fd
,
2979 IOHandler
*fd_write
,
2982 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2986 /***********************************************************/
2987 /* Polling handling */
2989 typedef struct PollingEntry
{
2992 struct PollingEntry
*next
;
2995 static PollingEntry
*first_polling_entry
;
2997 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2999 PollingEntry
**ppe
, *pe
;
3000 pe
= qemu_mallocz(sizeof(PollingEntry
));
3002 pe
->opaque
= opaque
;
3003 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
3008 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
3010 PollingEntry
**ppe
, *pe
;
3011 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
3013 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
3021 /***********************************************************/
3022 /* Wait objects support */
3023 typedef struct WaitObjects
{
3025 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
3026 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
3027 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
3030 static WaitObjects wait_objects
= {0};
3032 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3034 WaitObjects
*w
= &wait_objects
;
3036 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
3038 w
->events
[w
->num
] = handle
;
3039 w
->func
[w
->num
] = func
;
3040 w
->opaque
[w
->num
] = opaque
;
3045 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3048 WaitObjects
*w
= &wait_objects
;
3051 for (i
= 0; i
< w
->num
; i
++) {
3052 if (w
->events
[i
] == handle
)
3055 w
->events
[i
] = w
->events
[i
+ 1];
3056 w
->func
[i
] = w
->func
[i
+ 1];
3057 w
->opaque
[i
] = w
->opaque
[i
+ 1];
3065 /***********************************************************/
3066 /* ram save/restore */
3068 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3072 v
= qemu_get_byte(f
);
3075 if (qemu_get_buffer(f
, buf
, len
) != len
)
3079 v
= qemu_get_byte(f
);
3080 memset(buf
, v
, len
);
3086 if (qemu_file_has_error(f
))
3092 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3097 if (qemu_get_be32(f
) != last_ram_offset
)
3099 for(i
= 0; i
< last_ram_offset
; i
+= TARGET_PAGE_SIZE
) {
3100 ret
= ram_get_page(f
, qemu_get_ram_ptr(i
), TARGET_PAGE_SIZE
);
3107 #define BDRV_HASH_BLOCK_SIZE 1024
3108 #define IOBUF_SIZE 4096
3109 #define RAM_CBLOCK_MAGIC 0xfabe
3111 typedef struct RamDecompressState
{
3114 uint8_t buf
[IOBUF_SIZE
];
3115 } RamDecompressState
;
3117 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3120 memset(s
, 0, sizeof(*s
));
3122 ret
= inflateInit(&s
->zstream
);
3128 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3132 s
->zstream
.avail_out
= len
;
3133 s
->zstream
.next_out
= buf
;
3134 while (s
->zstream
.avail_out
> 0) {
3135 if (s
->zstream
.avail_in
== 0) {
3136 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3138 clen
= qemu_get_be16(s
->f
);
3139 if (clen
> IOBUF_SIZE
)
3141 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3142 s
->zstream
.avail_in
= clen
;
3143 s
->zstream
.next_in
= s
->buf
;
3145 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3146 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3153 static void ram_decompress_close(RamDecompressState
*s
)
3155 inflateEnd(&s
->zstream
);
3158 #define RAM_SAVE_FLAG_FULL 0x01
3159 #define RAM_SAVE_FLAG_COMPRESS 0x02
3160 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3161 #define RAM_SAVE_FLAG_PAGE 0x08
3162 #define RAM_SAVE_FLAG_EOS 0x10
3164 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3166 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3167 uint32_t *array
= (uint32_t *)page
;
3170 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3171 if (array
[i
] != val
)
3178 static int ram_save_block(QEMUFile
*f
)
3180 static ram_addr_t current_addr
= 0;
3181 ram_addr_t saved_addr
= current_addr
;
3182 ram_addr_t addr
= 0;
3185 while (addr
< last_ram_offset
) {
3186 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3189 cpu_physical_memory_reset_dirty(current_addr
,
3190 current_addr
+ TARGET_PAGE_SIZE
,
3191 MIGRATION_DIRTY_FLAG
);
3193 p
= qemu_get_ram_ptr(current_addr
);
3195 if (is_dup_page(p
, *p
)) {
3196 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3197 qemu_put_byte(f
, *p
);
3199 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3200 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
3206 addr
+= TARGET_PAGE_SIZE
;
3207 current_addr
= (saved_addr
+ addr
) % last_ram_offset
;
3213 static ram_addr_t ram_save_threshold
= 10;
3215 static ram_addr_t
ram_save_remaining(void)
3218 ram_addr_t count
= 0;
3220 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3221 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3228 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3233 /* Make sure all dirty bits are set */
3234 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3235 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3236 cpu_physical_memory_set_dirty(addr
);
3239 /* Enable dirty memory tracking */
3240 cpu_physical_memory_set_dirty_tracking(1);
3242 qemu_put_be64(f
, last_ram_offset
| RAM_SAVE_FLAG_MEM_SIZE
);
3245 while (!qemu_file_rate_limit(f
)) {
3248 ret
= ram_save_block(f
);
3249 if (ret
== 0) /* no more blocks */
3253 /* try transferring iterative blocks of memory */
3257 /* flush all remaining blocks regardless of rate limiting */
3258 while (ram_save_block(f
) != 0);
3259 cpu_physical_memory_set_dirty_tracking(0);
3262 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3264 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
3267 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3269 RamDecompressState s1
, *s
= &s1
;
3273 if (ram_decompress_open(s
, f
) < 0)
3275 for(i
= 0; i
< last_ram_offset
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3276 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3277 fprintf(stderr
, "Error while reading ram block header\n");
3281 if (ram_decompress_buf(s
, qemu_get_ram_ptr(i
),
3282 BDRV_HASH_BLOCK_SIZE
) < 0) {
3283 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3288 printf("Error block header\n");
3292 ram_decompress_close(s
);
3297 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3302 if (version_id
== 1)
3303 return ram_load_v1(f
, opaque
);
3305 if (version_id
== 2) {
3306 if (qemu_get_be32(f
) != last_ram_offset
)
3308 return ram_load_dead(f
, opaque
);
3311 if (version_id
!= 3)
3315 addr
= qemu_get_be64(f
);
3317 flags
= addr
& ~TARGET_PAGE_MASK
;
3318 addr
&= TARGET_PAGE_MASK
;
3320 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3321 if (addr
!= last_ram_offset
)
3325 if (flags
& RAM_SAVE_FLAG_FULL
) {
3326 if (ram_load_dead(f
, opaque
) < 0)
3330 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3331 uint8_t ch
= qemu_get_byte(f
);
3332 memset(qemu_get_ram_ptr(addr
), ch
, TARGET_PAGE_SIZE
);
3333 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3334 qemu_get_buffer(f
, qemu_get_ram_ptr(addr
), TARGET_PAGE_SIZE
);
3335 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3340 void qemu_service_io(void)
3342 qemu_notify_event();
3345 /***********************************************************/
3346 /* bottom halves (can be seen as timers which expire ASAP) */
3357 static QEMUBH
*first_bh
= NULL
;
3359 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3362 bh
= qemu_mallocz(sizeof(QEMUBH
));
3364 bh
->opaque
= opaque
;
3365 bh
->next
= first_bh
;
3370 int qemu_bh_poll(void)
3376 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3377 if (!bh
->deleted
&& bh
->scheduled
) {
3386 /* remove deleted bhs */
3400 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3408 void qemu_bh_schedule(QEMUBH
*bh
)
3414 /* stop the currently executing CPU to execute the BH ASAP */
3415 qemu_notify_event();
3418 void qemu_bh_cancel(QEMUBH
*bh
)
3423 void qemu_bh_delete(QEMUBH
*bh
)
3429 static void qemu_bh_update_timeout(int *timeout
)
3433 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3434 if (!bh
->deleted
&& bh
->scheduled
) {
3436 /* idle bottom halves will be polled at least
3438 *timeout
= MIN(10, *timeout
);
3440 /* non-idle bottom halves will be executed
3449 /***********************************************************/
3450 /* machine registration */
3452 static QEMUMachine
*first_machine
= NULL
;
3453 QEMUMachine
*current_machine
= NULL
;
3455 int qemu_register_machine(QEMUMachine
*m
)
3458 pm
= &first_machine
;
3466 static QEMUMachine
*find_machine(const char *name
)
3470 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3471 if (!strcmp(m
->name
, name
))
3477 /***********************************************************/
3478 /* main execution loop */
3480 static void gui_update(void *opaque
)
3482 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3483 DisplayState
*ds
= opaque
;
3484 DisplayChangeListener
*dcl
= ds
->listeners
;
3488 while (dcl
!= NULL
) {
3489 if (dcl
->gui_timer_interval
&&
3490 dcl
->gui_timer_interval
< interval
)
3491 interval
= dcl
->gui_timer_interval
;
3494 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3497 static void nographic_update(void *opaque
)
3499 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3501 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3504 struct vm_change_state_entry
{
3505 VMChangeStateHandler
*cb
;
3507 LIST_ENTRY (vm_change_state_entry
) entries
;
3510 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3512 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3515 VMChangeStateEntry
*e
;
3517 e
= qemu_mallocz(sizeof (*e
));
3521 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3525 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3527 LIST_REMOVE (e
, entries
);
3531 static void vm_state_notify(int running
, int reason
)
3533 VMChangeStateEntry
*e
;
3535 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3536 e
->cb(e
->opaque
, running
, reason
);
3545 vm_state_notify(1, 0);
3546 qemu_rearm_alarm_timer(alarm_timer
);
3550 void vm_stop(int reason
)
3553 cpu_disable_ticks();
3555 vm_state_notify(0, reason
);
3559 /* reset/shutdown handler */
3561 typedef struct QEMUResetEntry
{
3562 QEMUResetHandler
*func
;
3564 struct QEMUResetEntry
*next
;
3567 static QEMUResetEntry
*first_reset_entry
;
3568 static int reset_requested
;
3569 static int shutdown_requested
;
3570 static int powerdown_requested
;
3572 int qemu_shutdown_requested(void)
3574 int r
= shutdown_requested
;
3575 shutdown_requested
= 0;
3579 int qemu_reset_requested(void)
3581 int r
= reset_requested
;
3582 reset_requested
= 0;
3586 int qemu_powerdown_requested(void)
3588 int r
= powerdown_requested
;
3589 powerdown_requested
= 0;
3593 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3595 QEMUResetEntry
**pre
, *re
;
3597 pre
= &first_reset_entry
;
3598 while (*pre
!= NULL
)
3599 pre
= &(*pre
)->next
;
3600 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3602 re
->opaque
= opaque
;
3607 void qemu_system_reset(void)
3611 /* reset all devices */
3612 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3613 re
->func(re
->opaque
);
3619 void qemu_system_reset_request(void)
3622 shutdown_requested
= 1;
3624 reset_requested
= 1;
3626 qemu_notify_event();
3629 void qemu_system_shutdown_request(void)
3631 shutdown_requested
= 1;
3632 qemu_notify_event();
3635 void qemu_system_powerdown_request(void)
3637 powerdown_requested
= 1;
3638 qemu_notify_event();
3641 void qemu_notify_event(void)
3643 CPUState
*env
= cpu_single_env
;
3648 if (env
->kqemu_enabled
)
3649 kqemu_cpu_interrupt(env
);
3655 static int io_thread_fd
= -1;
3657 static void qemu_event_increment(void)
3659 static const char byte
= 0;
3661 if (io_thread_fd
== -1)
3664 write(io_thread_fd
, &byte
, sizeof(byte
));
3667 static void qemu_event_read(void *opaque
)
3669 int fd
= (unsigned long)opaque
;
3672 /* Drain the notify pipe */
3675 len
= read(fd
, buffer
, sizeof(buffer
));
3676 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
3679 static int qemu_event_init(void)
3688 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
3692 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
3696 qemu_set_fd_handler2(fds
[0], NULL
, qemu_event_read
, NULL
,
3697 (void *)(unsigned long)fds
[0]);
3699 io_thread_fd
= fds
[1];
3706 HANDLE qemu_event_handle
;
3708 static void dummy_event_handler(void *opaque
)
3712 static int qemu_event_init(void)
3714 qemu_event_handle
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
3715 if (!qemu_event_handle
) {
3716 perror("Failed CreateEvent");
3719 qemu_add_wait_object(qemu_event_handle
, dummy_event_handler
, NULL
);
3723 static void qemu_event_increment(void)
3725 SetEvent(qemu_event_handle
);
3729 static int qemu_init_main_loop(void)
3731 return qemu_event_init();
3734 void qemu_init_vcpu(void *_env
)
3736 CPUState
*env
= _env
;
3743 int qemu_cpu_self(void *env
)
3748 void qemu_cpu_kick(void *env
)
3753 #define qemu_mutex_lock_iothread() do { } while (0)
3754 #define qemu_mutex_unlock_iothread() do { } while (0)
3757 static void host_main_loop_wait(int *timeout
)
3763 /* XXX: need to suppress polling by better using win32 events */
3765 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
3766 ret
|= pe
->func(pe
->opaque
);
3770 WaitObjects
*w
= &wait_objects
;
3772 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
3773 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
3774 if (w
->func
[ret
- WAIT_OBJECT_0
])
3775 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
3777 /* Check for additional signaled events */
3778 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
3780 /* Check if event is signaled */
3781 ret2
= WaitForSingleObject(w
->events
[i
], 0);
3782 if(ret2
== WAIT_OBJECT_0
) {
3784 w
->func
[i
](w
->opaque
[i
]);
3785 } else if (ret2
== WAIT_TIMEOUT
) {
3787 err
= GetLastError();
3788 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
3791 } else if (ret
== WAIT_TIMEOUT
) {
3793 err
= GetLastError();
3794 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
3801 static void host_main_loop_wait(int *timeout
)
3806 void main_loop_wait(int timeout
)
3808 IOHandlerRecord
*ioh
;
3809 fd_set rfds
, wfds
, xfds
;
3813 qemu_bh_update_timeout(&timeout
);
3815 host_main_loop_wait(&timeout
);
3817 /* poll any events */
3818 /* XXX: separate device handlers from system ones */
3823 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3827 (!ioh
->fd_read_poll
||
3828 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
3829 FD_SET(ioh
->fd
, &rfds
);
3833 if (ioh
->fd_write
) {
3834 FD_SET(ioh
->fd
, &wfds
);
3840 tv
.tv_sec
= timeout
/ 1000;
3841 tv
.tv_usec
= (timeout
% 1000) * 1000;
3843 #if defined(CONFIG_SLIRP)
3844 if (slirp_is_inited()) {
3845 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
3848 qemu_mutex_unlock_iothread();
3849 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
3850 qemu_mutex_lock_iothread();
3852 IOHandlerRecord
**pioh
;
3854 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3855 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
3856 ioh
->fd_read(ioh
->opaque
);
3858 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
3859 ioh
->fd_write(ioh
->opaque
);
3863 /* remove deleted IO handlers */
3864 pioh
= &first_io_handler
;
3874 #if defined(CONFIG_SLIRP)
3875 if (slirp_is_inited()) {
3881 slirp_select_poll(&rfds
, &wfds
, &xfds
);
3885 /* rearm timer, if not periodic */
3886 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
3887 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
3888 qemu_rearm_alarm_timer(alarm_timer
);
3891 /* vm time timers */
3892 if (vm_running
&& likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
3893 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
3894 qemu_get_clock(vm_clock
));
3896 /* real time timers */
3897 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
3898 qemu_get_clock(rt_clock
));
3900 /* Check bottom-halves last in case any of the earlier events triggered
3906 static int qemu_cpu_exec(CPUState
*env
)
3909 #ifdef CONFIG_PROFILER
3913 #ifdef CONFIG_PROFILER
3914 ti
= profile_getclock();
3919 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
3920 env
->icount_decr
.u16
.low
= 0;
3921 env
->icount_extra
= 0;
3922 count
= qemu_next_deadline();
3923 count
= (count
+ (1 << icount_time_shift
) - 1)
3924 >> icount_time_shift
;
3925 qemu_icount
+= count
;
3926 decr
= (count
> 0xffff) ? 0xffff : count
;
3928 env
->icount_decr
.u16
.low
= decr
;
3929 env
->icount_extra
= count
;
3931 ret
= cpu_exec(env
);
3932 #ifdef CONFIG_PROFILER
3933 qemu_time
+= profile_getclock() - ti
;
3936 /* Fold pending instructions back into the
3937 instruction counter, and clear the interrupt flag. */
3938 qemu_icount
-= (env
->icount_decr
.u16
.low
3939 + env
->icount_extra
);
3940 env
->icount_decr
.u32
= 0;
3941 env
->icount_extra
= 0;
3946 static int cpu_has_work(CPUState
*env
)
3950 if (qemu_cpu_has_work(env
))
3955 static int tcg_has_work(void)
3959 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
3960 if (cpu_has_work(env
))
3965 static int qemu_calculate_timeout(void)
3971 else if (tcg_has_work())
3973 else if (!use_icount
)
3976 /* XXX: use timeout computed from timers */
3979 /* Advance virtual time to the next event. */
3980 if (use_icount
== 1) {
3981 /* When not using an adaptive execution frequency
3982 we tend to get badly out of sync with real time,
3983 so just delay for a reasonable amount of time. */
3986 delta
= cpu_get_icount() - cpu_get_clock();
3989 /* If virtual time is ahead of real time then just
3991 timeout
= (delta
/ 1000000) + 1;
3993 /* Wait for either IO to occur or the next
3995 add
= qemu_next_deadline();
3996 /* We advance the timer before checking for IO.
3997 Limit the amount we advance so that early IO
3998 activity won't get the guest too far ahead. */
4002 add
= (add
+ (1 << icount_time_shift
) - 1)
4003 >> icount_time_shift
;
4005 timeout
= delta
/ 1000000;
4014 static int vm_can_run(void)
4016 if (powerdown_requested
)
4018 if (reset_requested
)
4020 if (shutdown_requested
)
4025 static void main_loop(void)
4028 #ifdef CONFIG_PROFILER
4034 if (next_cpu
== NULL
)
4035 next_cpu
= first_cpu
;
4036 for (; next_cpu
!= NULL
; next_cpu
= next_cpu
->next_cpu
) {
4037 CPUState
*env
= cur_cpu
= next_cpu
;
4041 if (timer_alarm_pending
) {
4042 timer_alarm_pending
= 0;
4045 ret
= qemu_cpu_exec(env
);
4046 if (ret
== EXCP_DEBUG
) {
4047 gdb_set_stop_cpu(env
);
4051 #ifdef CONFIG_PROFILER
4052 ti
= profile_getclock();
4054 main_loop_wait(qemu_calculate_timeout());
4055 #ifdef CONFIG_PROFILER
4056 dev_time
+= profile_getclock() - ti
;
4058 } while (ret
!= EXCP_DEBUG
&& vm_can_run());
4060 if (ret
== EXCP_DEBUG
)
4061 vm_stop(EXCP_DEBUG
);
4063 if (qemu_shutdown_requested()) {
4070 if (qemu_reset_requested())
4071 qemu_system_reset();
4072 if (qemu_powerdown_requested())
4073 qemu_system_powerdown();
4077 static void version(void)
4079 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
4082 static void help(int exitcode
)
4085 printf("usage: %s [options] [disk_image]\n"
4087 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4089 #define DEF(option, opt_arg, opt_enum, opt_help) \
4091 #define DEFHEADING(text) stringify(text) "\n"
4092 #include "qemu-options.h"
4097 "During emulation, the following keys are useful:\n"
4098 "ctrl-alt-f toggle full screen\n"
4099 "ctrl-alt-n switch to virtual console 'n'\n"
4100 "ctrl-alt toggle mouse and keyboard grab\n"
4102 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4107 DEFAULT_NETWORK_SCRIPT
,
4108 DEFAULT_NETWORK_DOWN_SCRIPT
,
4110 DEFAULT_GDBSTUB_PORT
,
4115 #define HAS_ARG 0x0001
4118 #define DEF(option, opt_arg, opt_enum, opt_help) \
4120 #define DEFHEADING(text)
4121 #include "qemu-options.h"
4127 typedef struct QEMUOption
{
4133 static const QEMUOption qemu_options
[] = {
4134 { "h", 0, QEMU_OPTION_h
},
4135 #define DEF(option, opt_arg, opt_enum, opt_help) \
4136 { option, opt_arg, opt_enum },
4137 #define DEFHEADING(text)
4138 #include "qemu-options.h"
4146 struct soundhw soundhw
[] = {
4147 #ifdef HAS_AUDIO_CHOICE
4148 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4154 { .init_isa
= pcspk_audio_init
}
4161 "Creative Sound Blaster 16",
4164 { .init_isa
= SB16_init
}
4168 #ifdef CONFIG_CS4231A
4174 { .init_isa
= cs4231a_init
}
4182 "Yamaha YMF262 (OPL3)",
4184 "Yamaha YM3812 (OPL2)",
4188 { .init_isa
= Adlib_init
}
4195 "Gravis Ultrasound GF1",
4198 { .init_isa
= GUS_init
}
4205 "Intel 82801AA AC97 Audio",
4208 { .init_pci
= ac97_init
}
4212 #ifdef CONFIG_ES1370
4215 "ENSONIQ AudioPCI ES1370",
4218 { .init_pci
= es1370_init
}
4222 #endif /* HAS_AUDIO_CHOICE */
4224 { NULL
, NULL
, 0, 0, { NULL
} }
4227 static void select_soundhw (const char *optarg
)
4231 if (*optarg
== '?') {
4234 printf ("Valid sound card names (comma separated):\n");
4235 for (c
= soundhw
; c
->name
; ++c
) {
4236 printf ("%-11s %s\n", c
->name
, c
->descr
);
4238 printf ("\n-soundhw all will enable all of the above\n");
4239 exit (*optarg
!= '?');
4247 if (!strcmp (optarg
, "all")) {
4248 for (c
= soundhw
; c
->name
; ++c
) {
4256 e
= strchr (p
, ',');
4257 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4259 for (c
= soundhw
; c
->name
; ++c
) {
4260 if (!strncmp (c
->name
, p
, l
)) {
4269 "Unknown sound card name (too big to show)\n");
4272 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4277 p
+= l
+ (e
!= NULL
);
4281 goto show_valid_cards
;
4286 static void select_vgahw (const char *p
)
4290 cirrus_vga_enabled
= 0;
4291 std_vga_enabled
= 0;
4294 if (strstart(p
, "std", &opts
)) {
4295 std_vga_enabled
= 1;
4296 } else if (strstart(p
, "cirrus", &opts
)) {
4297 cirrus_vga_enabled
= 1;
4298 } else if (strstart(p
, "vmware", &opts
)) {
4300 } else if (strstart(p
, "xenfb", &opts
)) {
4302 } else if (!strstart(p
, "none", &opts
)) {
4304 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4308 const char *nextopt
;
4310 if (strstart(opts
, ",retrace=", &nextopt
)) {
4312 if (strstart(opts
, "dumb", &nextopt
))
4313 vga_retrace_method
= VGA_RETRACE_DUMB
;
4314 else if (strstart(opts
, "precise", &nextopt
))
4315 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4316 else goto invalid_vga
;
4317 } else goto invalid_vga
;
4323 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4325 exit(STATUS_CONTROL_C_EXIT
);
4330 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4334 if(strlen(str
) != 36)
4337 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4338 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4339 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4345 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
4351 #define MAX_NET_CLIENTS 32
4355 static void termsig_handler(int signal
)
4357 qemu_system_shutdown_request();
4360 static void termsig_setup(void)
4362 struct sigaction act
;
4364 memset(&act
, 0, sizeof(act
));
4365 act
.sa_handler
= termsig_handler
;
4366 sigaction(SIGINT
, &act
, NULL
);
4367 sigaction(SIGHUP
, &act
, NULL
);
4368 sigaction(SIGTERM
, &act
, NULL
);
4373 int main(int argc
, char **argv
, char **envp
)
4375 #ifdef CONFIG_GDBSTUB
4376 const char *gdbstub_dev
= NULL
;
4378 uint32_t boot_devices_bitmap
= 0;
4380 int snapshot
, linux_boot
, net_boot
;
4381 const char *initrd_filename
;
4382 const char *kernel_filename
, *kernel_cmdline
;
4383 const char *boot_devices
= "";
4385 DisplayChangeListener
*dcl
;
4386 int cyls
, heads
, secs
, translation
;
4387 const char *net_clients
[MAX_NET_CLIENTS
];
4389 const char *bt_opts
[MAX_BT_CMDLINE
];
4393 const char *r
, *optarg
;
4394 CharDriverState
*monitor_hd
= NULL
;
4395 const char *monitor_device
;
4396 const char *serial_devices
[MAX_SERIAL_PORTS
];
4397 int serial_device_index
;
4398 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4399 int parallel_device_index
;
4400 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
4401 int virtio_console_index
;
4402 const char *loadvm
= NULL
;
4403 QEMUMachine
*machine
;
4404 const char *cpu_model
;
4405 const char *usb_devices
[MAX_USB_CMDLINE
];
4406 int usb_devices_index
;
4411 const char *pid_file
= NULL
;
4412 const char *incoming
= NULL
;
4415 struct passwd
*pwd
= NULL
;
4416 const char *chroot_dir
= NULL
;
4417 const char *run_as
= NULL
;
4421 qemu_cache_utils_init(envp
);
4423 LIST_INIT (&vm_change_state_head
);
4426 struct sigaction act
;
4427 sigfillset(&act
.sa_mask
);
4429 act
.sa_handler
= SIG_IGN
;
4430 sigaction(SIGPIPE
, &act
, NULL
);
4433 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
4434 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4435 QEMU to run on a single CPU */
4440 h
= GetCurrentProcess();
4441 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
4442 for(i
= 0; i
< 32; i
++) {
4443 if (mask
& (1 << i
))
4448 SetProcessAffinityMask(h
, mask
);
4454 register_machines();
4455 machine
= first_machine
;
4457 initrd_filename
= NULL
;
4459 vga_ram_size
= VGA_RAM_SIZE
;
4463 kernel_filename
= NULL
;
4464 kernel_cmdline
= "";
4465 cyls
= heads
= secs
= 0;
4466 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4467 monitor_device
= "vc:80Cx24C";
4469 serial_devices
[0] = "vc:80Cx24C";
4470 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
4471 serial_devices
[i
] = NULL
;
4472 serial_device_index
= 0;
4474 parallel_devices
[0] = "vc:80Cx24C";
4475 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
4476 parallel_devices
[i
] = NULL
;
4477 parallel_device_index
= 0;
4479 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++)
4480 virtio_consoles
[i
] = NULL
;
4481 virtio_console_index
= 0;
4483 for (i
= 0; i
< MAX_NODES
; i
++) {
4485 node_cpumask
[i
] = 0;
4488 usb_devices_index
= 0;
4508 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
4510 const QEMUOption
*popt
;
4513 /* Treat --foo the same as -foo. */
4516 popt
= qemu_options
;
4519 fprintf(stderr
, "%s: invalid option -- '%s'\n",
4523 if (!strcmp(popt
->name
, r
+ 1))
4527 if (popt
->flags
& HAS_ARG
) {
4528 if (optind
>= argc
) {
4529 fprintf(stderr
, "%s: option '%s' requires an argument\n",
4533 optarg
= argv
[optind
++];
4538 switch(popt
->index
) {
4540 machine
= find_machine(optarg
);
4543 printf("Supported machines are:\n");
4544 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4545 printf("%-10s %s%s\n",
4547 m
== first_machine
? " (default)" : "");
4549 exit(*optarg
!= '?');
4552 case QEMU_OPTION_cpu
:
4553 /* hw initialization will check this */
4554 if (*optarg
== '?') {
4555 /* XXX: implement xxx_cpu_list for targets that still miss it */
4556 #if defined(cpu_list)
4557 cpu_list(stdout
, &fprintf
);
4564 case QEMU_OPTION_initrd
:
4565 initrd_filename
= optarg
;
4567 case QEMU_OPTION_hda
:
4569 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
4571 hda_index
= drive_add(optarg
, HD_ALIAS
4572 ",cyls=%d,heads=%d,secs=%d%s",
4573 0, cyls
, heads
, secs
,
4574 translation
== BIOS_ATA_TRANSLATION_LBA
?
4576 translation
== BIOS_ATA_TRANSLATION_NONE
?
4577 ",trans=none" : "");
4579 case QEMU_OPTION_hdb
:
4580 case QEMU_OPTION_hdc
:
4581 case QEMU_OPTION_hdd
:
4582 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
4584 case QEMU_OPTION_drive
:
4585 drive_add(NULL
, "%s", optarg
);
4587 case QEMU_OPTION_mtdblock
:
4588 drive_add(optarg
, MTD_ALIAS
);
4590 case QEMU_OPTION_sd
:
4591 drive_add(optarg
, SD_ALIAS
);
4593 case QEMU_OPTION_pflash
:
4594 drive_add(optarg
, PFLASH_ALIAS
);
4596 case QEMU_OPTION_snapshot
:
4599 case QEMU_OPTION_hdachs
:
4603 cyls
= strtol(p
, (char **)&p
, 0);
4604 if (cyls
< 1 || cyls
> 16383)
4609 heads
= strtol(p
, (char **)&p
, 0);
4610 if (heads
< 1 || heads
> 16)
4615 secs
= strtol(p
, (char **)&p
, 0);
4616 if (secs
< 1 || secs
> 63)
4620 if (!strcmp(p
, "none"))
4621 translation
= BIOS_ATA_TRANSLATION_NONE
;
4622 else if (!strcmp(p
, "lba"))
4623 translation
= BIOS_ATA_TRANSLATION_LBA
;
4624 else if (!strcmp(p
, "auto"))
4625 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4628 } else if (*p
!= '\0') {
4630 fprintf(stderr
, "qemu: invalid physical CHS format\n");
4633 if (hda_index
!= -1)
4634 snprintf(drives_opt
[hda_index
].opt
,
4635 sizeof(drives_opt
[hda_index
].opt
),
4636 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
4637 0, cyls
, heads
, secs
,
4638 translation
== BIOS_ATA_TRANSLATION_LBA
?
4640 translation
== BIOS_ATA_TRANSLATION_NONE
?
4641 ",trans=none" : "");
4644 case QEMU_OPTION_numa
:
4645 if (nb_numa_nodes
>= MAX_NODES
) {
4646 fprintf(stderr
, "qemu: too many NUMA nodes\n");
4651 case QEMU_OPTION_nographic
:
4654 #ifdef CONFIG_CURSES
4655 case QEMU_OPTION_curses
:
4659 case QEMU_OPTION_portrait
:
4662 case QEMU_OPTION_kernel
:
4663 kernel_filename
= optarg
;
4665 case QEMU_OPTION_append
:
4666 kernel_cmdline
= optarg
;
4668 case QEMU_OPTION_cdrom
:
4669 drive_add(optarg
, CDROM_ALIAS
);
4671 case QEMU_OPTION_boot
:
4672 boot_devices
= optarg
;
4673 /* We just do some generic consistency checks */
4675 /* Could easily be extended to 64 devices if needed */
4678 boot_devices_bitmap
= 0;
4679 for (p
= boot_devices
; *p
!= '\0'; p
++) {
4680 /* Allowed boot devices are:
4681 * a b : floppy disk drives
4682 * c ... f : IDE disk drives
4683 * g ... m : machine implementation dependant drives
4684 * n ... p : network devices
4685 * It's up to each machine implementation to check
4686 * if the given boot devices match the actual hardware
4687 * implementation and firmware features.
4689 if (*p
< 'a' || *p
> 'q') {
4690 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
4693 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
4695 "Boot device '%c' was given twice\n",*p
);
4698 boot_devices_bitmap
|= 1 << (*p
- 'a');
4702 case QEMU_OPTION_fda
:
4703 case QEMU_OPTION_fdb
:
4704 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
4707 case QEMU_OPTION_no_fd_bootchk
:
4711 case QEMU_OPTION_net
:
4712 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
4713 fprintf(stderr
, "qemu: too many network clients\n");
4716 net_clients
[nb_net_clients
] = optarg
;
4720 case QEMU_OPTION_tftp
:
4721 tftp_prefix
= optarg
;
4723 case QEMU_OPTION_bootp
:
4724 bootp_filename
= optarg
;
4727 case QEMU_OPTION_smb
:
4728 net_slirp_smb(optarg
);
4731 case QEMU_OPTION_redir
:
4732 net_slirp_redir(NULL
, optarg
);
4735 case QEMU_OPTION_bt
:
4736 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
4737 fprintf(stderr
, "qemu: too many bluetooth options\n");
4740 bt_opts
[nb_bt_opts
++] = optarg
;
4743 case QEMU_OPTION_audio_help
:
4747 case QEMU_OPTION_soundhw
:
4748 select_soundhw (optarg
);
4754 case QEMU_OPTION_version
:
4758 case QEMU_OPTION_m
: {
4762 value
= strtoul(optarg
, &ptr
, 10);
4764 case 0: case 'M': case 'm':
4771 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
4775 /* On 32-bit hosts, QEMU is limited by virtual address space */
4776 if (value
> (2047 << 20)
4777 #ifndef CONFIG_KQEMU
4778 && HOST_LONG_BITS
== 32
4781 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
4784 if (value
!= (uint64_t)(ram_addr_t
)value
) {
4785 fprintf(stderr
, "qemu: ram size too large\n");
4794 const CPULogItem
*item
;
4796 mask
= cpu_str_to_log_mask(optarg
);
4798 printf("Log items (comma separated):\n");
4799 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
4800 printf("%-10s %s\n", item
->name
, item
->help
);
4807 #ifdef CONFIG_GDBSTUB
4809 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
4811 case QEMU_OPTION_gdb
:
4812 gdbstub_dev
= optarg
;
4818 case QEMU_OPTION_bios
:
4821 case QEMU_OPTION_singlestep
:
4829 keyboard_layout
= optarg
;
4832 case QEMU_OPTION_localtime
:
4835 case QEMU_OPTION_vga
:
4836 select_vgahw (optarg
);
4838 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4844 w
= strtol(p
, (char **)&p
, 10);
4847 fprintf(stderr
, "qemu: invalid resolution or depth\n");
4853 h
= strtol(p
, (char **)&p
, 10);
4858 depth
= strtol(p
, (char **)&p
, 10);
4859 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
4860 depth
!= 24 && depth
!= 32)
4862 } else if (*p
== '\0') {
4863 depth
= graphic_depth
;
4870 graphic_depth
= depth
;
4874 case QEMU_OPTION_echr
:
4877 term_escape_char
= strtol(optarg
, &r
, 0);
4879 printf("Bad argument to echr\n");
4882 case QEMU_OPTION_monitor
:
4883 monitor_device
= optarg
;
4885 case QEMU_OPTION_serial
:
4886 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
4887 fprintf(stderr
, "qemu: too many serial ports\n");
4890 serial_devices
[serial_device_index
] = optarg
;
4891 serial_device_index
++;
4893 case QEMU_OPTION_virtiocon
:
4894 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
4895 fprintf(stderr
, "qemu: too many virtio consoles\n");
4898 virtio_consoles
[virtio_console_index
] = optarg
;
4899 virtio_console_index
++;
4901 case QEMU_OPTION_parallel
:
4902 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
4903 fprintf(stderr
, "qemu: too many parallel ports\n");
4906 parallel_devices
[parallel_device_index
] = optarg
;
4907 parallel_device_index
++;
4909 case QEMU_OPTION_loadvm
:
4912 case QEMU_OPTION_full_screen
:
4916 case QEMU_OPTION_no_frame
:
4919 case QEMU_OPTION_alt_grab
:
4922 case QEMU_OPTION_no_quit
:
4925 case QEMU_OPTION_sdl
:
4929 case QEMU_OPTION_pidfile
:
4933 case QEMU_OPTION_win2k_hack
:
4934 win2k_install_hack
= 1;
4936 case QEMU_OPTION_rtc_td_hack
:
4939 case QEMU_OPTION_acpitable
:
4940 if(acpi_table_add(optarg
) < 0) {
4941 fprintf(stderr
, "Wrong acpi table provided\n");
4945 case QEMU_OPTION_smbios
:
4946 if(smbios_entry_add(optarg
) < 0) {
4947 fprintf(stderr
, "Wrong smbios provided\n");
4953 case QEMU_OPTION_no_kqemu
:
4956 case QEMU_OPTION_kernel_kqemu
:
4961 case QEMU_OPTION_enable_kvm
:
4968 case QEMU_OPTION_usb
:
4971 case QEMU_OPTION_usbdevice
:
4973 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
4974 fprintf(stderr
, "Too many USB devices\n");
4977 usb_devices
[usb_devices_index
] = optarg
;
4978 usb_devices_index
++;
4980 case QEMU_OPTION_smp
:
4981 smp_cpus
= atoi(optarg
);
4983 fprintf(stderr
, "Invalid number of CPUs\n");
4987 case QEMU_OPTION_vnc
:
4988 vnc_display
= optarg
;
4991 case QEMU_OPTION_no_acpi
:
4994 case QEMU_OPTION_no_hpet
:
4998 case QEMU_OPTION_no_reboot
:
5001 case QEMU_OPTION_no_shutdown
:
5004 case QEMU_OPTION_show_cursor
:
5007 case QEMU_OPTION_uuid
:
5008 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5009 fprintf(stderr
, "Fail to parse UUID string."
5010 " Wrong format.\n");
5015 case QEMU_OPTION_daemonize
:
5019 case QEMU_OPTION_option_rom
:
5020 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5021 fprintf(stderr
, "Too many option ROMs\n");
5024 option_rom
[nb_option_roms
] = optarg
;
5027 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5028 case QEMU_OPTION_semihosting
:
5029 semihosting_enabled
= 1;
5032 case QEMU_OPTION_name
:
5035 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5036 case QEMU_OPTION_prom_env
:
5037 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5038 fprintf(stderr
, "Too many prom variables\n");
5041 prom_envs
[nb_prom_envs
] = optarg
;
5046 case QEMU_OPTION_old_param
:
5050 case QEMU_OPTION_clock
:
5051 configure_alarms(optarg
);
5053 case QEMU_OPTION_startdate
:
5056 time_t rtc_start_date
;
5057 if (!strcmp(optarg
, "now")) {
5058 rtc_date_offset
= -1;
5060 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5068 } else if (sscanf(optarg
, "%d-%d-%d",
5071 &tm
.tm_mday
) == 3) {
5080 rtc_start_date
= mktimegm(&tm
);
5081 if (rtc_start_date
== -1) {
5083 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5084 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5087 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5091 case QEMU_OPTION_tb_size
:
5092 tb_size
= strtol(optarg
, NULL
, 0);
5096 case QEMU_OPTION_icount
:
5098 if (strcmp(optarg
, "auto") == 0) {
5099 icount_time_shift
= -1;
5101 icount_time_shift
= strtol(optarg
, NULL
, 0);
5104 case QEMU_OPTION_incoming
:
5108 case QEMU_OPTION_chroot
:
5109 chroot_dir
= optarg
;
5111 case QEMU_OPTION_runas
:
5116 case QEMU_OPTION_xen_domid
:
5117 xen_domid
= atoi(optarg
);
5119 case QEMU_OPTION_xen_create
:
5120 xen_mode
= XEN_CREATE
;
5122 case QEMU_OPTION_xen_attach
:
5123 xen_mode
= XEN_ATTACH
;
5130 #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
5131 if (kvm_allowed
&& kqemu_allowed
) {
5133 "You can not enable both KVM and kqemu at the same time\n");
5138 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5139 if (smp_cpus
> machine
->max_cpus
) {
5140 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5141 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5147 if (serial_device_index
== 0)
5148 serial_devices
[0] = "stdio";
5149 if (parallel_device_index
== 0)
5150 parallel_devices
[0] = "null";
5151 if (strncmp(monitor_device
, "vc", 2) == 0)
5152 monitor_device
= "stdio";
5159 if (pipe(fds
) == -1)
5170 len
= read(fds
[0], &status
, 1);
5171 if (len
== -1 && (errno
== EINTR
))
5176 else if (status
== 1) {
5177 fprintf(stderr
, "Could not acquire pidfile\n");
5194 signal(SIGTSTP
, SIG_IGN
);
5195 signal(SIGTTOU
, SIG_IGN
);
5196 signal(SIGTTIN
, SIG_IGN
);
5199 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5202 write(fds
[1], &status
, 1);
5204 fprintf(stderr
, "Could not acquire pid file\n");
5213 if (qemu_init_main_loop()) {
5214 fprintf(stderr
, "qemu_init_main_loop failed\n");
5217 linux_boot
= (kernel_filename
!= NULL
);
5218 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5220 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5221 fprintf(stderr
, "-append only allowed with -kernel option\n");
5225 if (!linux_boot
&& initrd_filename
!= NULL
) {
5226 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5230 /* boot to floppy or the default cd if no hard disk defined yet */
5231 if (!boot_devices
[0]) {
5232 boot_devices
= "cad";
5234 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5237 if (init_timer_alarm() < 0) {
5238 fprintf(stderr
, "could not initialize alarm timer\n");
5241 if (use_icount
&& icount_time_shift
< 0) {
5243 /* 125MIPS seems a reasonable initial guess at the guest speed.
5244 It will be corrected fairly quickly anyway. */
5245 icount_time_shift
= 3;
5246 init_icount_adjust();
5253 /* init network clients */
5254 if (nb_net_clients
== 0) {
5255 /* if no clients, we use a default config */
5256 net_clients
[nb_net_clients
++] = "nic";
5258 net_clients
[nb_net_clients
++] = "user";
5262 for(i
= 0;i
< nb_net_clients
; i
++) {
5263 if (net_client_parse(net_clients
[i
]) < 0)
5269 /* XXX: this should be moved in the PC machine instantiation code */
5270 if (net_boot
!= 0) {
5272 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
5273 const char *model
= nd_table
[i
].model
;
5275 if (net_boot
& (1 << i
)) {
5278 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
5279 if (get_image_size(buf
) > 0) {
5280 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5281 fprintf(stderr
, "Too many option ROMs\n");
5284 option_rom
[nb_option_roms
] = strdup(buf
);
5291 fprintf(stderr
, "No valid PXE rom found for network device\n");
5297 /* init the bluetooth world */
5298 for (i
= 0; i
< nb_bt_opts
; i
++)
5299 if (bt_parse(bt_opts
[i
]))
5302 /* init the memory */
5304 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5307 /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
5308 guest ram allocation. It needs to go away. */
5309 if (kqemu_allowed
) {
5310 kqemu_phys_ram_size
= ram_size
+ VGA_RAM_SIZE
+ 4 * 1024 * 1024;
5311 kqemu_phys_ram_base
= qemu_vmalloc(kqemu_phys_ram_size
);
5312 if (!kqemu_phys_ram_base
) {
5313 fprintf(stderr
, "Could not allocate physical memory\n");
5319 /* init the dynamic translator */
5320 cpu_exec_init_all(tb_size
* 1024 * 1024);
5325 /* we always create the cdrom drive, even if no disk is there */
5327 if (nb_drives_opt
< MAX_DRIVES
)
5328 drive_add(NULL
, CDROM_ALIAS
);
5330 /* we always create at least one floppy */
5332 if (nb_drives_opt
< MAX_DRIVES
)
5333 drive_add(NULL
, FD_ALIAS
, 0);
5335 /* we always create one sd slot, even if no card is in it */
5337 if (nb_drives_opt
< MAX_DRIVES
)
5338 drive_add(NULL
, SD_ALIAS
);
5340 /* open the virtual block devices */
5342 for(i
= 0; i
< nb_drives_opt
; i
++)
5343 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5346 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5347 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5350 /* must be after terminal init, SDL library changes signal handlers */
5354 /* Maintain compatibility with multiple stdio monitors */
5355 if (!strcmp(monitor_device
,"stdio")) {
5356 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5357 const char *devname
= serial_devices
[i
];
5358 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5359 monitor_device
= NULL
;
5361 } else if (devname
&& !strcmp(devname
,"stdio")) {
5362 monitor_device
= NULL
;
5363 serial_devices
[i
] = "mon:stdio";
5369 if (nb_numa_nodes
> 0) {
5372 if (nb_numa_nodes
> smp_cpus
) {
5373 nb_numa_nodes
= smp_cpus
;
5376 /* If no memory size if given for any node, assume the default case
5377 * and distribute the available memory equally across all nodes
5379 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5380 if (node_mem
[i
] != 0)
5383 if (i
== nb_numa_nodes
) {
5384 uint64_t usedmem
= 0;
5386 /* On Linux, the each node's border has to be 8MB aligned,
5387 * the final node gets the rest.
5389 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
5390 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
5391 usedmem
+= node_mem
[i
];
5393 node_mem
[i
] = ram_size
- usedmem
;
5396 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5397 if (node_cpumask
[i
] != 0)
5400 /* assigning the VCPUs round-robin is easier to implement, guest OSes
5401 * must cope with this anyway, because there are BIOSes out there in
5402 * real machines which also use this scheme.
5404 if (i
== nb_numa_nodes
) {
5405 for (i
= 0; i
< smp_cpus
; i
++) {
5406 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
5411 if (kvm_enabled()) {
5414 ret
= kvm_init(smp_cpus
);
5416 fprintf(stderr
, "failed to initialize KVM\n");
5421 if (monitor_device
) {
5422 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
5424 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
5429 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5430 const char *devname
= serial_devices
[i
];
5431 if (devname
&& strcmp(devname
, "none")) {
5433 snprintf(label
, sizeof(label
), "serial%d", i
);
5434 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5435 if (!serial_hds
[i
]) {
5436 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
5443 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5444 const char *devname
= parallel_devices
[i
];
5445 if (devname
&& strcmp(devname
, "none")) {
5447 snprintf(label
, sizeof(label
), "parallel%d", i
);
5448 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5449 if (!parallel_hds
[i
]) {
5450 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
5457 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5458 const char *devname
= virtio_consoles
[i
];
5459 if (devname
&& strcmp(devname
, "none")) {
5461 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5462 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5463 if (!virtcon_hds
[i
]) {
5464 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
5471 machine
->init(ram_size
, vga_ram_size
, boot_devices
,
5472 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
5475 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
5476 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5477 if (node_cpumask
[i
] & (1 << env
->cpu_index
)) {
5483 current_machine
= machine
;
5485 /* Set KVM's vcpu state to qemu's initial CPUState. */
5486 if (kvm_enabled()) {
5489 ret
= kvm_sync_vcpus();
5491 fprintf(stderr
, "failed to initialize vcpus\n");
5496 /* init USB devices */
5498 for(i
= 0; i
< usb_devices_index
; i
++) {
5499 if (usb_device_add(usb_devices
[i
], 0) < 0) {
5500 fprintf(stderr
, "Warning: could not add USB device %s\n",
5507 dumb_display_init();
5508 /* just use the first displaystate for the moment */
5513 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
5517 #if defined(CONFIG_CURSES)
5519 /* At the moment curses cannot be used with other displays */
5520 curses_display_init(ds
, full_screen
);
5524 if (vnc_display
!= NULL
) {
5525 vnc_display_init(ds
);
5526 if (vnc_display_open(ds
, vnc_display
) < 0)
5529 #if defined(CONFIG_SDL)
5530 if (sdl
|| !vnc_display
)
5531 sdl_display_init(ds
, full_screen
, no_frame
);
5532 #elif defined(CONFIG_COCOA)
5533 if (sdl
|| !vnc_display
)
5534 cocoa_display_init(ds
, full_screen
);
5540 dcl
= ds
->listeners
;
5541 while (dcl
!= NULL
) {
5542 if (dcl
->dpy_refresh
!= NULL
) {
5543 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
5544 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
5549 if (nographic
|| (vnc_display
&& !sdl
)) {
5550 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
5551 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
5554 text_consoles_set_display(display_state
);
5555 qemu_chr_initial_reset();
5557 if (monitor_device
&& monitor_hd
)
5558 monitor_init(monitor_hd
, MONITOR_USE_READLINE
| MONITOR_IS_DEFAULT
);
5560 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5561 const char *devname
= serial_devices
[i
];
5562 if (devname
&& strcmp(devname
, "none")) {
5564 snprintf(label
, sizeof(label
), "serial%d", i
);
5565 if (strstart(devname
, "vc", 0))
5566 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
5570 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5571 const char *devname
= parallel_devices
[i
];
5572 if (devname
&& strcmp(devname
, "none")) {
5574 snprintf(label
, sizeof(label
), "parallel%d", i
);
5575 if (strstart(devname
, "vc", 0))
5576 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
5580 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5581 const char *devname
= virtio_consoles
[i
];
5582 if (virtcon_hds
[i
] && devname
) {
5584 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5585 if (strstart(devname
, "vc", 0))
5586 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
5590 #ifdef CONFIG_GDBSTUB
5591 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
5592 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
5599 do_loadvm(cur_mon
, loadvm
);
5602 autostart
= 0; /* fixme how to deal with -daemonize */
5603 qemu_start_incoming_migration(incoming
);
5615 len
= write(fds
[1], &status
, 1);
5616 if (len
== -1 && (errno
== EINTR
))
5623 TFR(fd
= open("/dev/null", O_RDWR
));
5629 pwd
= getpwnam(run_as
);
5631 fprintf(stderr
, "User \"%s\" doesn't exist\n", run_as
);
5637 if (chroot(chroot_dir
) < 0) {
5638 fprintf(stderr
, "chroot failed\n");
5645 if (setgid(pwd
->pw_gid
) < 0) {
5646 fprintf(stderr
, "Failed to setgid(%d)\n", pwd
->pw_gid
);
5649 if (setuid(pwd
->pw_uid
) < 0) {
5650 fprintf(stderr
, "Failed to setuid(%d)\n", pwd
->pw_uid
);
5653 if (setuid(0) != -1) {
5654 fprintf(stderr
, "Dropping privileges failed\n");