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"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #if defined(__NetBSD__)
48 #include <net/if_tap.h>
51 #include <linux/if_tun.h>
53 #include <arpa/inet.h>
56 #include <sys/select.h>
59 #if defined(__FreeBSD__) || defined(__DragonFly__)
64 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
65 #include <freebsd/stdlib.h>
70 #include <linux/rtc.h>
72 /* For the benefit of older linux systems which don't supply it,
73 we use a local copy of hpet.h. */
74 /* #include <linux/hpet.h> */
77 #include <linux/ppdev.h>
78 #include <linux/parport.h>
82 #include <sys/ethernet.h>
83 #include <sys/sockio.h>
84 #include <netinet/arp.h>
85 #include <netinet/in.h>
86 #include <netinet/in_systm.h>
87 #include <netinet/ip.h>
88 #include <netinet/ip_icmp.h> // must come after ip.h
89 #include <netinet/udp.h>
90 #include <netinet/tcp.h>
98 #if defined(__OpenBSD__)
102 #if defined(CONFIG_VDE)
103 #include <libvdeplug.h>
109 #include <sys/timeb.h>
110 #include <mmsystem.h>
111 #define getopt_long_only getopt_long
112 #define memalign(align, size) malloc(size)
116 #if defined(__APPLE__) || defined(main)
118 int qemu_main(int argc
, char **argv
, char **envp
);
119 int main(int argc
, char **argv
)
121 return qemu_main(argc
, argv
, NULL
);
124 #define main qemu_main
126 #endif /* CONFIG_SDL */
130 #define main qemu_main
131 #endif /* CONFIG_COCOA */
134 #include "hw/boards.h"
136 #include "hw/pcmcia.h"
138 #include "hw/audiodev.h"
142 #include "hw/watchdog.h"
143 #include "hw/smbios.h"
151 #include "qemu-timer.h"
152 #include "qemu-char.h"
153 #include "cache-utils.h"
156 #include "audio/audio.h"
157 #include "migration.h"
160 #include "qemu-option.h"
161 #include "qemu-kvm.h"
162 #include "hw/device-assignment.h"
166 #include "exec-all.h"
168 #include "qemu_socket.h"
170 #if defined(CONFIG_SLIRP)
171 #include "libslirp.h"
174 //#define DEBUG_UNUSED_IOPORT
175 //#define DEBUG_IOPORT
177 //#define DEBUG_SLIRP
181 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
183 # define LOG_IOPORT(...) do { } while (0)
186 #define DEFAULT_RAM_SIZE 128
188 /* Max number of USB devices that can be specified on the commandline. */
189 #define MAX_USB_CMDLINE 8
191 /* Max number of bluetooth switches on the commandline. */
192 #define MAX_BT_CMDLINE 10
194 /* XXX: use a two level table to limit memory usage */
195 #define MAX_IOPORTS 65536
197 static const char *data_dir
;
198 const char *bios_name
= NULL
;
199 static void *ioport_opaque
[MAX_IOPORTS
];
200 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
201 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
202 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
203 to store the VM snapshots */
204 DriveInfo drives_table
[MAX_DRIVES
+1];
206 int extboot_drive
= -1;
207 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
208 static DisplayState
*display_state
;
209 DisplayType display_type
= DT_DEFAULT
;
210 const char* keyboard_layout
= NULL
;
211 int64_t ticks_per_sec
;
214 NICInfo nd_table
[MAX_NICS
];
216 static int autostart
;
217 static int rtc_utc
= 1;
218 static int rtc_date_offset
= -1; /* -1 means no change */
219 int cirrus_vga_enabled
= 1;
220 int std_vga_enabled
= 0;
221 int vmsvga_enabled
= 0;
222 int xenfb_enabled
= 0;
224 int graphic_width
= 1024;
225 int graphic_height
= 768;
226 int graphic_depth
= 8;
228 int graphic_width
= 800;
229 int graphic_height
= 600;
230 int graphic_depth
= 15;
232 static int full_screen
= 0;
234 static int no_frame
= 0;
237 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
238 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
239 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
241 int win2k_install_hack
= 0;
246 const char *assigned_devices
[MAX_DEV_ASSIGN_CMDLINE
];
247 int assigned_devices_index
;
249 const char *vnc_display
;
250 int acpi_enabled
= 1;
252 int no_virtio_balloon
= 0;
257 int graphic_rotate
= 0;
261 WatchdogTimerModel
*watchdog
= NULL
;
262 int watchdog_action
= WDT_RESET
;
263 const char *option_rom
[MAX_OPTION_ROMS
];
265 int semihosting_enabled
= 0;
266 int time_drift_fix
= 0;
267 unsigned int kvm_shadow_memory
= 0;
268 const char *mem_path
= NULL
;
270 int mem_prealloc
= 1; /* force preallocation of physical target memory */
275 const char *qemu_name
;
277 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
278 unsigned int nb_prom_envs
= 0;
279 const char *prom_envs
[MAX_PROM_ENVS
];
282 const char *nvram
= NULL
;
283 struct drive_opt drives_opt
[MAX_DRIVES
];
286 uint64_t node_mem
[MAX_NODES
];
287 uint64_t node_cpumask
[MAX_NODES
];
289 static CPUState
*cur_cpu
;
290 static CPUState
*next_cpu
;
291 static int timer_alarm_pending
= 1;
292 /* Conversion factor from emulated instructions to virtual clock ticks. */
293 static int icount_time_shift
;
294 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
295 #define MAX_ICOUNT_SHIFT 10
296 /* Compensate for varying guest execution speed. */
297 static int64_t qemu_icount_bias
;
298 static QEMUTimer
*icount_rt_timer
;
299 static QEMUTimer
*icount_vm_timer
;
300 static QEMUTimer
*nographic_timer
;
302 uint8_t qemu_uuid
[16];
304 static int qemu_select(int max_fd
, fd_set
*rfds
, fd_set
*wfds
, fd_set
*xfds
,
309 /* KVM holds a mutex while QEMU code is running, we need hooks to
310 release the mutex whenever QEMU code sleeps. */
314 ret
= select(max_fd
, rfds
, wfds
, xfds
, tv
);
322 /***********************************************************/
323 /* x86 ISA bus support */
325 target_phys_addr_t isa_mem_base
= 0;
328 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
329 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
331 static uint32_t ioport_read(int index
, uint32_t address
)
333 static IOPortReadFunc
*default_func
[3] = {
334 default_ioport_readb
,
335 default_ioport_readw
,
338 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
340 func
= default_func
[index
];
341 return func(ioport_opaque
[address
], address
);
344 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
346 static IOPortWriteFunc
*default_func
[3] = {
347 default_ioport_writeb
,
348 default_ioport_writew
,
349 default_ioport_writel
351 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
353 func
= default_func
[index
];
354 func(ioport_opaque
[address
], address
, data
);
357 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
359 #ifdef DEBUG_UNUSED_IOPORT
360 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
365 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
367 #ifdef DEBUG_UNUSED_IOPORT
368 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
372 /* default is to make two byte accesses */
373 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
376 data
= ioport_read(0, address
);
377 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
378 data
|= ioport_read(0, address
) << 8;
382 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
384 ioport_write(0, address
, data
& 0xff);
385 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
386 ioport_write(0, address
, (data
>> 8) & 0xff);
389 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
391 #ifdef DEBUG_UNUSED_IOPORT
392 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
397 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
399 #ifdef DEBUG_UNUSED_IOPORT
400 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
404 /* size is the word size in byte */
405 int register_ioport_read(int start
, int length
, int size
,
406 IOPortReadFunc
*func
, void *opaque
)
412 } else if (size
== 2) {
414 } else if (size
== 4) {
417 hw_error("register_ioport_read: invalid size");
420 for(i
= start
; i
< start
+ length
; i
+= size
) {
421 ioport_read_table
[bsize
][i
] = func
;
422 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
423 hw_error("register_ioport_read: invalid opaque");
424 ioport_opaque
[i
] = opaque
;
429 /* size is the word size in byte */
430 int register_ioport_write(int start
, int length
, int size
,
431 IOPortWriteFunc
*func
, void *opaque
)
437 } else if (size
== 2) {
439 } else if (size
== 4) {
442 hw_error("register_ioport_write: invalid size");
445 for(i
= start
; i
< start
+ length
; i
+= size
) {
446 ioport_write_table
[bsize
][i
] = func
;
447 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
448 hw_error("register_ioport_write: invalid opaque");
449 ioport_opaque
[i
] = opaque
;
454 void isa_unassign_ioport(int start
, int length
)
458 for(i
= start
; i
< start
+ length
; i
++) {
459 ioport_read_table
[0][i
] = default_ioport_readb
;
460 ioport_read_table
[1][i
] = default_ioport_readw
;
461 ioport_read_table
[2][i
] = default_ioport_readl
;
463 ioport_write_table
[0][i
] = default_ioport_writeb
;
464 ioport_write_table
[1][i
] = default_ioport_writew
;
465 ioport_write_table
[2][i
] = default_ioport_writel
;
467 ioport_opaque
[i
] = NULL
;
471 /***********************************************************/
473 void cpu_outb(CPUState
*env
, int addr
, int val
)
475 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
476 ioport_write(0, addr
, val
);
479 env
->last_io_time
= cpu_get_time_fast();
483 void cpu_outw(CPUState
*env
, int addr
, int val
)
485 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
486 ioport_write(1, addr
, val
);
489 env
->last_io_time
= cpu_get_time_fast();
493 void cpu_outl(CPUState
*env
, int addr
, int val
)
495 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
496 ioport_write(2, addr
, val
);
499 env
->last_io_time
= cpu_get_time_fast();
503 int cpu_inb(CPUState
*env
, int addr
)
506 val
= ioport_read(0, addr
);
507 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
510 env
->last_io_time
= cpu_get_time_fast();
515 int cpu_inw(CPUState
*env
, int addr
)
518 val
= ioport_read(1, addr
);
519 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
522 env
->last_io_time
= cpu_get_time_fast();
527 int cpu_inl(CPUState
*env
, int addr
)
530 val
= ioport_read(2, addr
);
531 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
534 env
->last_io_time
= cpu_get_time_fast();
539 /***********************************************************/
540 void hw_error(const char *fmt
, ...)
546 fprintf(stderr
, "qemu: hardware error: ");
547 vfprintf(stderr
, fmt
, ap
);
548 fprintf(stderr
, "\n");
549 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
550 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
552 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
554 cpu_dump_state(env
, stderr
, fprintf
, 0);
564 static QEMUBalloonEvent
*qemu_balloon_event
;
565 void *qemu_balloon_event_opaque
;
567 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
569 qemu_balloon_event
= func
;
570 qemu_balloon_event_opaque
= opaque
;
573 void qemu_balloon(ram_addr_t target
)
575 if (qemu_balloon_event
)
576 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
579 ram_addr_t
qemu_balloon_status(void)
581 if (qemu_balloon_event
)
582 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
586 /***********************************************************/
589 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
590 static void *qemu_put_kbd_event_opaque
;
591 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
592 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
594 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
596 qemu_put_kbd_event_opaque
= opaque
;
597 qemu_put_kbd_event
= func
;
600 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
601 void *opaque
, int absolute
,
604 QEMUPutMouseEntry
*s
, *cursor
;
606 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
608 s
->qemu_put_mouse_event
= func
;
609 s
->qemu_put_mouse_event_opaque
= opaque
;
610 s
->qemu_put_mouse_event_absolute
= absolute
;
611 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
614 if (!qemu_put_mouse_event_head
) {
615 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
619 cursor
= qemu_put_mouse_event_head
;
620 while (cursor
->next
!= NULL
)
621 cursor
= cursor
->next
;
624 qemu_put_mouse_event_current
= s
;
629 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
631 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
633 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
636 cursor
= qemu_put_mouse_event_head
;
637 while (cursor
!= NULL
&& cursor
!= entry
) {
639 cursor
= cursor
->next
;
642 if (cursor
== NULL
) // does not exist or list empty
644 else if (prev
== NULL
) { // entry is head
645 qemu_put_mouse_event_head
= cursor
->next
;
646 if (qemu_put_mouse_event_current
== entry
)
647 qemu_put_mouse_event_current
= cursor
->next
;
648 qemu_free(entry
->qemu_put_mouse_event_name
);
653 prev
->next
= entry
->next
;
655 if (qemu_put_mouse_event_current
== entry
)
656 qemu_put_mouse_event_current
= prev
;
658 qemu_free(entry
->qemu_put_mouse_event_name
);
662 void kbd_put_keycode(int keycode
)
664 if (qemu_put_kbd_event
) {
665 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
669 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
671 QEMUPutMouseEvent
*mouse_event
;
672 void *mouse_event_opaque
;
675 if (!qemu_put_mouse_event_current
) {
680 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
682 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
685 if (graphic_rotate
) {
686 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
689 width
= graphic_width
- 1;
690 mouse_event(mouse_event_opaque
,
691 width
- dy
, dx
, dz
, buttons_state
);
693 mouse_event(mouse_event_opaque
,
694 dx
, dy
, dz
, buttons_state
);
698 int kbd_mouse_is_absolute(void)
700 if (!qemu_put_mouse_event_current
)
703 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
706 void do_info_mice(Monitor
*mon
)
708 QEMUPutMouseEntry
*cursor
;
711 if (!qemu_put_mouse_event_head
) {
712 monitor_printf(mon
, "No mouse devices connected\n");
716 monitor_printf(mon
, "Mouse devices available:\n");
717 cursor
= qemu_put_mouse_event_head
;
718 while (cursor
!= NULL
) {
719 monitor_printf(mon
, "%c Mouse #%d: %s\n",
720 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
721 index
, cursor
->qemu_put_mouse_event_name
);
723 cursor
= cursor
->next
;
727 void do_mouse_set(Monitor
*mon
, int index
)
729 QEMUPutMouseEntry
*cursor
;
732 if (!qemu_put_mouse_event_head
) {
733 monitor_printf(mon
, "No mouse devices connected\n");
737 cursor
= qemu_put_mouse_event_head
;
738 while (cursor
!= NULL
&& index
!= i
) {
740 cursor
= cursor
->next
;
744 qemu_put_mouse_event_current
= cursor
;
746 monitor_printf(mon
, "Mouse at given index not found\n");
749 /* compute with 96 bit intermediate result: (a*b)/c */
750 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
755 #ifdef WORDS_BIGENDIAN
765 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
766 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
769 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
773 /***********************************************************/
774 /* real time host monotonic timer */
776 #define QEMU_TIMER_BASE 1000000000LL
780 static int64_t clock_freq
;
782 static void init_get_clock(void)
786 ret
= QueryPerformanceFrequency(&freq
);
788 fprintf(stderr
, "Could not calibrate ticks\n");
791 clock_freq
= freq
.QuadPart
;
794 static int64_t get_clock(void)
797 QueryPerformanceCounter(&ti
);
798 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
803 static int use_rt_clock
;
805 static void init_get_clock(void)
808 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
809 || defined(__DragonFly__)
812 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
819 static int64_t get_clock(void)
821 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
822 || defined(__DragonFly__)
825 clock_gettime(CLOCK_MONOTONIC
, &ts
);
826 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
830 /* XXX: using gettimeofday leads to problems if the date
831 changes, so it should be avoided. */
833 gettimeofday(&tv
, NULL
);
834 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
839 /* Return the virtual CPU time, based on the instruction counter. */
840 static int64_t cpu_get_icount(void)
843 CPUState
*env
= cpu_single_env
;;
844 icount
= qemu_icount
;
847 fprintf(stderr
, "Bad clock read\n");
848 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
850 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
853 /***********************************************************/
854 /* guest cycle counter */
856 static int64_t cpu_ticks_prev
;
857 static int64_t cpu_ticks_offset
;
858 static int64_t cpu_clock_offset
;
859 static int cpu_ticks_enabled
;
861 /* return the host CPU cycle counter and handle stop/restart */
862 int64_t cpu_get_ticks(void)
865 return cpu_get_icount();
867 if (!cpu_ticks_enabled
) {
868 return cpu_ticks_offset
;
871 ticks
= cpu_get_real_ticks();
872 if (cpu_ticks_prev
> ticks
) {
873 /* Note: non increasing ticks may happen if the host uses
875 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
877 cpu_ticks_prev
= ticks
;
878 return ticks
+ cpu_ticks_offset
;
882 /* return the host CPU monotonic timer and handle stop/restart */
883 static int64_t cpu_get_clock(void)
886 if (!cpu_ticks_enabled
) {
887 return cpu_clock_offset
;
890 return ti
+ cpu_clock_offset
;
894 /* enable cpu_get_ticks() */
895 void cpu_enable_ticks(void)
897 if (!cpu_ticks_enabled
) {
898 cpu_ticks_offset
-= cpu_get_real_ticks();
899 cpu_clock_offset
-= get_clock();
900 cpu_ticks_enabled
= 1;
904 /* disable cpu_get_ticks() : the clock is stopped. You must not call
905 cpu_get_ticks() after that. */
906 void cpu_disable_ticks(void)
908 if (cpu_ticks_enabled
) {
909 cpu_ticks_offset
= cpu_get_ticks();
910 cpu_clock_offset
= cpu_get_clock();
911 cpu_ticks_enabled
= 0;
915 /***********************************************************/
918 #define QEMU_TIMER_REALTIME 0
919 #define QEMU_TIMER_VIRTUAL 1
923 /* XXX: add frequency */
931 struct QEMUTimer
*next
;
934 struct qemu_alarm_timer
{
938 int (*start
)(struct qemu_alarm_timer
*t
);
939 void (*stop
)(struct qemu_alarm_timer
*t
);
940 void (*rearm
)(struct qemu_alarm_timer
*t
);
944 #define ALARM_FLAG_DYNTICKS 0x1
945 #define ALARM_FLAG_EXPIRED 0x2
947 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
949 return t
&& (t
->flags
& ALARM_FLAG_DYNTICKS
);
952 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
954 if (!alarm_has_dynticks(t
))
960 /* TODO: MIN_TIMER_REARM_US should be optimized */
961 #define MIN_TIMER_REARM_US 250
963 static struct qemu_alarm_timer
*alarm_timer
;
967 struct qemu_alarm_win32
{
970 } alarm_win32_data
= {0, -1};
972 static int win32_start_timer(struct qemu_alarm_timer
*t
);
973 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
974 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
978 static int unix_start_timer(struct qemu_alarm_timer
*t
);
979 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
983 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
984 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
985 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
987 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
988 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
990 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
991 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
993 #endif /* __linux__ */
997 /* Correlation between real and virtual time is always going to be
998 fairly approximate, so ignore small variation.
999 When the guest is idle real and virtual time will be aligned in
1000 the IO wait loop. */
1001 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
1003 static void icount_adjust(void)
1008 static int64_t last_delta
;
1009 /* If the VM is not running, then do nothing. */
1013 cur_time
= cpu_get_clock();
1014 cur_icount
= qemu_get_clock(vm_clock
);
1015 delta
= cur_icount
- cur_time
;
1016 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
1018 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
1019 && icount_time_shift
> 0) {
1020 /* The guest is getting too far ahead. Slow time down. */
1021 icount_time_shift
--;
1024 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
1025 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
1026 /* The guest is getting too far behind. Speed time up. */
1027 icount_time_shift
++;
1030 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
1033 static void icount_adjust_rt(void * opaque
)
1035 qemu_mod_timer(icount_rt_timer
,
1036 qemu_get_clock(rt_clock
) + 1000);
1040 static void icount_adjust_vm(void * opaque
)
1042 qemu_mod_timer(icount_vm_timer
,
1043 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1047 static void init_icount_adjust(void)
1049 /* Have both realtime and virtual time triggers for speed adjustment.
1050 The realtime trigger catches emulated time passing too slowly,
1051 the virtual time trigger catches emulated time passing too fast.
1052 Realtime triggers occur even when idle, so use them less frequently
1053 than VM triggers. */
1054 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1055 qemu_mod_timer(icount_rt_timer
,
1056 qemu_get_clock(rt_clock
) + 1000);
1057 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1058 qemu_mod_timer(icount_vm_timer
,
1059 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1062 static struct qemu_alarm_timer alarm_timers
[] = {
1065 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1066 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1067 /* HPET - if available - is preferred */
1068 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1069 /* ...otherwise try RTC */
1070 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1072 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1074 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1075 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1076 {"win32", 0, win32_start_timer
,
1077 win32_stop_timer
, NULL
, &alarm_win32_data
},
1082 static void show_available_alarms(void)
1086 printf("Available alarm timers, in order of precedence:\n");
1087 for (i
= 0; alarm_timers
[i
].name
; i
++)
1088 printf("%s\n", alarm_timers
[i
].name
);
1091 static void configure_alarms(char const *opt
)
1095 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1098 struct qemu_alarm_timer tmp
;
1100 if (!strcmp(opt
, "?")) {
1101 show_available_alarms();
1107 /* Reorder the array */
1108 name
= strtok(arg
, ",");
1110 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1111 if (!strcmp(alarm_timers
[i
].name
, name
))
1116 fprintf(stderr
, "Unknown clock %s\n", name
);
1125 tmp
= alarm_timers
[i
];
1126 alarm_timers
[i
] = alarm_timers
[cur
];
1127 alarm_timers
[cur
] = tmp
;
1131 name
= strtok(NULL
, ",");
1137 /* Disable remaining timers */
1138 for (i
= cur
; i
< count
; i
++)
1139 alarm_timers
[i
].name
= NULL
;
1141 show_available_alarms();
1146 QEMUClock
*rt_clock
;
1147 QEMUClock
*vm_clock
;
1149 static QEMUTimer
*active_timers
[2];
1151 static QEMUClock
*qemu_new_clock(int type
)
1154 clock
= qemu_mallocz(sizeof(QEMUClock
));
1159 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1163 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1166 ts
->opaque
= opaque
;
1170 void qemu_free_timer(QEMUTimer
*ts
)
1175 /* stop a timer, but do not dealloc it */
1176 void qemu_del_timer(QEMUTimer
*ts
)
1180 /* NOTE: this code must be signal safe because
1181 qemu_timer_expired() can be called from a signal. */
1182 pt
= &active_timers
[ts
->clock
->type
];
1195 /* modify the current timer so that it will be fired when current_time
1196 >= expire_time. The corresponding callback will be called. */
1197 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1203 /* add the timer in the sorted list */
1204 /* NOTE: this code must be signal safe because
1205 qemu_timer_expired() can be called from a signal. */
1206 pt
= &active_timers
[ts
->clock
->type
];
1211 if (t
->expire_time
> expire_time
)
1215 ts
->expire_time
= expire_time
;
1219 /* Rearm if necessary */
1220 if (pt
== &active_timers
[ts
->clock
->type
]) {
1221 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1222 qemu_rearm_alarm_timer(alarm_timer
);
1224 /* Interrupt execution to force deadline recalculation. */
1226 qemu_notify_event();
1230 int qemu_timer_pending(QEMUTimer
*ts
)
1233 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1240 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1244 return (timer_head
->expire_time
<= current_time
);
1247 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1253 if (!ts
|| ts
->expire_time
> current_time
)
1255 /* remove timer from the list before calling the callback */
1256 *ptimer_head
= ts
->next
;
1259 /* run the callback (the timer list can be modified) */
1264 int64_t qemu_get_clock(QEMUClock
*clock
)
1266 switch(clock
->type
) {
1267 case QEMU_TIMER_REALTIME
:
1268 return get_clock() / 1000000;
1270 case QEMU_TIMER_VIRTUAL
:
1272 return cpu_get_icount();
1274 return cpu_get_clock();
1279 static void init_timers(void)
1282 ticks_per_sec
= QEMU_TIMER_BASE
;
1283 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1284 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1288 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1290 uint64_t expire_time
;
1292 if (qemu_timer_pending(ts
)) {
1293 expire_time
= ts
->expire_time
;
1297 qemu_put_be64(f
, expire_time
);
1300 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1302 uint64_t expire_time
;
1304 expire_time
= qemu_get_be64(f
);
1305 if (expire_time
!= -1) {
1306 qemu_mod_timer(ts
, expire_time
);
1312 static void timer_save(QEMUFile
*f
, void *opaque
)
1314 if (cpu_ticks_enabled
) {
1315 hw_error("cannot save state if virtual timers are running");
1317 qemu_put_be64(f
, cpu_ticks_offset
);
1318 qemu_put_be64(f
, ticks_per_sec
);
1319 qemu_put_be64(f
, cpu_clock_offset
);
1322 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1324 if (version_id
!= 1 && version_id
!= 2)
1326 if (cpu_ticks_enabled
) {
1329 cpu_ticks_offset
=qemu_get_be64(f
);
1330 ticks_per_sec
=qemu_get_be64(f
);
1331 if (version_id
== 2) {
1332 cpu_clock_offset
=qemu_get_be64(f
);
1337 static void qemu_event_increment(void);
1340 static void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1341 DWORD_PTR dwUser
, DWORD_PTR dw1
,
1344 static void host_alarm_handler(int host_signum
)
1348 #define DISP_FREQ 1000
1350 static int64_t delta_min
= INT64_MAX
;
1351 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1353 ti
= qemu_get_clock(vm_clock
);
1354 if (last_clock
!= 0) {
1355 delta
= ti
- last_clock
;
1356 if (delta
< delta_min
)
1358 if (delta
> delta_max
)
1361 if (++count
== DISP_FREQ
) {
1362 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1363 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1364 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1365 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1366 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1368 delta_min
= INT64_MAX
;
1376 if (alarm_has_dynticks(alarm_timer
) ||
1378 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1379 qemu_get_clock(vm_clock
))) ||
1380 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1381 qemu_get_clock(rt_clock
))) {
1382 qemu_event_increment();
1383 if (alarm_timer
) alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1385 #ifndef CONFIG_IOTHREAD
1387 /* stop the currently executing cpu because a timer occured */
1390 if (next_cpu
->kqemu_enabled
) {
1391 kqemu_cpu_interrupt(next_cpu
);
1396 timer_alarm_pending
= 1;
1397 qemu_notify_event();
1401 static int64_t qemu_next_deadline(void)
1405 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1406 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1407 qemu_get_clock(vm_clock
);
1409 /* To avoid problems with overflow limit this to 2^32. */
1419 #if defined(__linux__) || defined(_WIN32)
1420 static uint64_t qemu_next_deadline_dyntick(void)
1428 delta
= (qemu_next_deadline() + 999) / 1000;
1430 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1431 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1432 qemu_get_clock(rt_clock
))*1000;
1433 if (rtdelta
< delta
)
1437 if (delta
< MIN_TIMER_REARM_US
)
1438 delta
= MIN_TIMER_REARM_US
;
1446 /* Sets a specific flag */
1447 static int fcntl_setfl(int fd
, int flag
)
1451 flags
= fcntl(fd
, F_GETFL
);
1455 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1461 #if defined(__linux__)
1463 #define RTC_FREQ 1024
1465 static void enable_sigio_timer(int fd
)
1467 struct sigaction act
;
1470 sigfillset(&act
.sa_mask
);
1472 act
.sa_handler
= host_alarm_handler
;
1474 sigaction(SIGIO
, &act
, NULL
);
1475 fcntl_setfl(fd
, O_ASYNC
);
1476 fcntl(fd
, F_SETOWN
, getpid());
1479 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1481 struct hpet_info info
;
1484 fd
= open("/dev/hpet", O_RDONLY
);
1489 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1491 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1492 "error, but for better emulation accuracy type:\n"
1493 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1497 /* Check capabilities */
1498 r
= ioctl(fd
, HPET_INFO
, &info
);
1502 /* Enable periodic mode */
1503 r
= ioctl(fd
, HPET_EPI
, 0);
1504 if (info
.hi_flags
&& (r
< 0))
1507 /* Enable interrupt */
1508 r
= ioctl(fd
, HPET_IE_ON
, 0);
1512 enable_sigio_timer(fd
);
1513 t
->priv
= (void *)(long)fd
;
1521 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1523 int fd
= (long)t
->priv
;
1528 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1531 unsigned long current_rtc_freq
= 0;
1533 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1536 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1537 if (current_rtc_freq
!= RTC_FREQ
&&
1538 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1539 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1540 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1541 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1544 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1550 enable_sigio_timer(rtc_fd
);
1552 t
->priv
= (void *)(long)rtc_fd
;
1557 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1559 int rtc_fd
= (long)t
->priv
;
1564 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1568 struct sigaction act
;
1570 sigfillset(&act
.sa_mask
);
1572 act
.sa_handler
= host_alarm_handler
;
1574 sigaction(SIGALRM
, &act
, NULL
);
1577 * Initialize ev struct to 0 to avoid valgrind complaining
1578 * about uninitialized data in timer_create call
1580 memset(&ev
, 0, sizeof(ev
));
1581 ev
.sigev_value
.sival_int
= 0;
1582 ev
.sigev_notify
= SIGEV_SIGNAL
;
1583 ev
.sigev_signo
= SIGALRM
;
1585 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1586 perror("timer_create");
1588 /* disable dynticks */
1589 fprintf(stderr
, "Dynamic Ticks disabled\n");
1594 t
->priv
= (void *)(long)host_timer
;
1599 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1601 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1603 timer_delete(host_timer
);
1606 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1608 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1609 struct itimerspec timeout
;
1610 int64_t nearest_delta_us
= INT64_MAX
;
1613 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1614 !active_timers
[QEMU_TIMER_VIRTUAL
])
1617 nearest_delta_us
= qemu_next_deadline_dyntick();
1619 /* check whether a timer is already running */
1620 if (timer_gettime(host_timer
, &timeout
)) {
1622 fprintf(stderr
, "Internal timer error: aborting\n");
1625 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1626 if (current_us
&& current_us
<= nearest_delta_us
)
1629 timeout
.it_interval
.tv_sec
= 0;
1630 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1631 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1632 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1633 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1635 fprintf(stderr
, "Internal timer error: aborting\n");
1640 #endif /* defined(__linux__) */
1642 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1644 struct sigaction act
;
1645 struct itimerval itv
;
1649 sigfillset(&act
.sa_mask
);
1651 act
.sa_handler
= host_alarm_handler
;
1653 sigaction(SIGALRM
, &act
, NULL
);
1655 itv
.it_interval
.tv_sec
= 0;
1656 /* for i386 kernel 2.6 to get 1 ms */
1657 itv
.it_interval
.tv_usec
= 999;
1658 itv
.it_value
.tv_sec
= 0;
1659 itv
.it_value
.tv_usec
= 10 * 1000;
1661 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1668 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1670 struct itimerval itv
;
1672 memset(&itv
, 0, sizeof(itv
));
1673 setitimer(ITIMER_REAL
, &itv
, NULL
);
1676 #endif /* !defined(_WIN32) */
1681 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1684 struct qemu_alarm_win32
*data
= t
->priv
;
1687 memset(&tc
, 0, sizeof(tc
));
1688 timeGetDevCaps(&tc
, sizeof(tc
));
1690 if (data
->period
< tc
.wPeriodMin
)
1691 data
->period
= tc
.wPeriodMin
;
1693 timeBeginPeriod(data
->period
);
1695 flags
= TIME_CALLBACK_FUNCTION
;
1696 if (alarm_has_dynticks(t
))
1697 flags
|= TIME_ONESHOT
;
1699 flags
|= TIME_PERIODIC
;
1701 data
->timerId
= timeSetEvent(1, // interval (ms)
1702 data
->period
, // resolution
1703 host_alarm_handler
, // function
1704 (DWORD
)t
, // parameter
1707 if (!data
->timerId
) {
1708 perror("Failed to initialize win32 alarm timer");
1709 timeEndPeriod(data
->period
);
1716 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1718 struct qemu_alarm_win32
*data
= t
->priv
;
1720 timeKillEvent(data
->timerId
);
1721 timeEndPeriod(data
->period
);
1724 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1726 struct qemu_alarm_win32
*data
= t
->priv
;
1727 uint64_t nearest_delta_us
;
1729 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1730 !active_timers
[QEMU_TIMER_VIRTUAL
])
1733 nearest_delta_us
= qemu_next_deadline_dyntick();
1734 nearest_delta_us
/= 1000;
1736 timeKillEvent(data
->timerId
);
1738 data
->timerId
= timeSetEvent(1,
1742 TIME_ONESHOT
| TIME_PERIODIC
);
1744 if (!data
->timerId
) {
1745 perror("Failed to re-arm win32 alarm timer");
1747 timeEndPeriod(data
->period
);
1754 static int init_timer_alarm(void)
1756 struct qemu_alarm_timer
*t
= NULL
;
1759 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1760 t
= &alarm_timers
[i
];
1780 static void quit_timers(void)
1782 alarm_timer
->stop(alarm_timer
);
1786 /***********************************************************/
1787 /* host time/date access */
1788 void qemu_get_timedate(struct tm
*tm
, int offset
)
1795 if (rtc_date_offset
== -1) {
1799 ret
= localtime(&ti
);
1801 ti
-= rtc_date_offset
;
1805 memcpy(tm
, ret
, sizeof(struct tm
));
1808 int qemu_timedate_diff(struct tm
*tm
)
1812 if (rtc_date_offset
== -1)
1814 seconds
= mktimegm(tm
);
1816 seconds
= mktime(tm
);
1818 seconds
= mktimegm(tm
) + rtc_date_offset
;
1820 return seconds
- time(NULL
);
1824 static void socket_cleanup(void)
1829 static int socket_init(void)
1834 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1836 err
= WSAGetLastError();
1837 fprintf(stderr
, "WSAStartup: %d\n", err
);
1840 atexit(socket_cleanup
);
1845 int get_param_value(char *buf
, int buf_size
,
1846 const char *tag
, const char *str
)
1853 p
= get_opt_name(option
, sizeof(option
), p
, '=');
1857 if (!strcmp(tag
, option
)) {
1858 (void)get_opt_value(buf
, buf_size
, p
);
1861 p
= get_opt_value(NULL
, 0, p
);
1870 int check_params(char *buf
, int buf_size
,
1871 const char * const *params
, const char *str
)
1877 while (*p
!= '\0') {
1878 p
= get_opt_name(buf
, buf_size
, p
, '=');
1883 for (i
= 0; params
[i
] != NULL
; i
++) {
1884 if (!strcmp(params
[i
], buf
)) {
1888 if (params
[i
] == NULL
) {
1891 p
= get_opt_value(NULL
, 0, p
);
1900 /***********************************************************/
1901 /* Bluetooth support */
1904 static struct HCIInfo
*hci_table
[MAX_NICS
];
1906 static struct bt_vlan_s
{
1907 struct bt_scatternet_s net
;
1909 struct bt_vlan_s
*next
;
1912 /* find or alloc a new bluetooth "VLAN" */
1913 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1915 struct bt_vlan_s
**pvlan
, *vlan
;
1916 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1920 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1922 pvlan
= &first_bt_vlan
;
1923 while (*pvlan
!= NULL
)
1924 pvlan
= &(*pvlan
)->next
;
1929 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1933 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1938 static struct HCIInfo null_hci
= {
1939 .cmd_send
= null_hci_send
,
1940 .sco_send
= null_hci_send
,
1941 .acl_send
= null_hci_send
,
1942 .bdaddr_set
= null_hci_addr_set
,
1945 struct HCIInfo
*qemu_next_hci(void)
1947 if (cur_hci
== nb_hcis
)
1950 return hci_table
[cur_hci
++];
1953 static struct HCIInfo
*hci_init(const char *str
)
1956 struct bt_scatternet_s
*vlan
= 0;
1958 if (!strcmp(str
, "null"))
1961 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
1963 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
1964 else if (!strncmp(str
, "hci", 3)) {
1967 if (!strncmp(str
+ 3, ",vlan=", 6)) {
1968 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
1973 vlan
= qemu_find_bt_vlan(0);
1975 return bt_new_hci(vlan
);
1978 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
1983 static int bt_hci_parse(const char *str
)
1985 struct HCIInfo
*hci
;
1988 if (nb_hcis
>= MAX_NICS
) {
1989 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
1993 hci
= hci_init(str
);
2002 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2003 hci
->bdaddr_set(hci
, bdaddr
.b
);
2005 hci_table
[nb_hcis
++] = hci
;
2010 static void bt_vhci_add(int vlan_id
)
2012 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2015 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2016 "an empty scatternet %i\n", vlan_id
);
2018 bt_vhci_init(bt_new_hci(vlan
));
2021 static struct bt_device_s
*bt_device_add(const char *opt
)
2023 struct bt_scatternet_s
*vlan
;
2025 char *endp
= strstr(opt
, ",vlan=");
2026 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2029 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2032 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2034 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2039 vlan
= qemu_find_bt_vlan(vlan_id
);
2042 fprintf(stderr
, "qemu: warning: adding a slave device to "
2043 "an empty scatternet %i\n", vlan_id
);
2045 if (!strcmp(devname
, "keyboard"))
2046 return bt_keyboard_init(vlan
);
2048 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2052 static int bt_parse(const char *opt
)
2054 const char *endp
, *p
;
2057 if (strstart(opt
, "hci", &endp
)) {
2058 if (!*endp
|| *endp
== ',') {
2060 if (!strstart(endp
, ",vlan=", 0))
2063 return bt_hci_parse(opt
);
2065 } else if (strstart(opt
, "vhci", &endp
)) {
2066 if (!*endp
|| *endp
== ',') {
2068 if (strstart(endp
, ",vlan=", &p
)) {
2069 vlan
= strtol(p
, (char **) &endp
, 0);
2071 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2075 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2084 } else if (strstart(opt
, "device:", &endp
))
2085 return !bt_device_add(endp
);
2087 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2091 /***********************************************************/
2092 /* QEMU Block devices */
2094 #define HD_ALIAS "index=%d,media=disk"
2095 #define CDROM_ALIAS "index=2,media=cdrom"
2096 #define FD_ALIAS "index=%d,if=floppy"
2097 #define PFLASH_ALIAS "if=pflash"
2098 #define MTD_ALIAS "if=mtd"
2099 #define SD_ALIAS "index=0,if=sd"
2101 static int drive_opt_get_free_idx(void)
2105 for (index
= 0; index
< MAX_DRIVES
; index
++)
2106 if (!drives_opt
[index
].used
) {
2107 drives_opt
[index
].used
= 1;
2114 static int drive_get_free_idx(void)
2118 for (index
= 0; index
< MAX_DRIVES
; index
++)
2119 if (!drives_table
[index
].used
) {
2120 drives_table
[index
].used
= 1;
2127 int drive_add(const char *file
, const char *fmt
, ...)
2130 int index
= drive_opt_get_free_idx();
2132 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
2133 fprintf(stderr
, "qemu: too many drives\n");
2137 drives_opt
[index
].file
= file
;
2139 vsnprintf(drives_opt
[index
].opt
,
2140 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2147 void drive_remove(int index
)
2149 drives_opt
[index
].used
= 0;
2153 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2157 /* seek interface, bus and unit */
2159 for (index
= 0; index
< MAX_DRIVES
; index
++)
2160 if (drives_table
[index
].type
== type
&&
2161 drives_table
[index
].bus
== bus
&&
2162 drives_table
[index
].unit
== unit
&&
2163 drives_table
[index
].used
)
2169 int drive_get_max_bus(BlockInterfaceType type
)
2175 for (index
= 0; index
< nb_drives
; index
++) {
2176 if(drives_table
[index
].type
== type
&&
2177 drives_table
[index
].bus
> max_bus
)
2178 max_bus
= drives_table
[index
].bus
;
2183 const char *drive_get_serial(BlockDriverState
*bdrv
)
2187 for (index
= 0; index
< nb_drives
; index
++)
2188 if (drives_table
[index
].bdrv
== bdrv
)
2189 return drives_table
[index
].serial
;
2194 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2198 for (index
= 0; index
< nb_drives
; index
++)
2199 if (drives_table
[index
].bdrv
== bdrv
)
2200 return drives_table
[index
].onerror
;
2202 return BLOCK_ERR_STOP_ENOSPC
;
2205 static void bdrv_format_print(void *opaque
, const char *name
)
2207 fprintf(stderr
, " %s", name
);
2210 void drive_uninit(BlockDriverState
*bdrv
)
2214 for (i
= 0; i
< MAX_DRIVES
; i
++)
2215 if (drives_table
[i
].bdrv
== bdrv
) {
2216 drives_table
[i
].bdrv
= NULL
;
2217 drives_table
[i
].used
= 0;
2218 drive_remove(drives_table
[i
].drive_opt_idx
);
2224 int drive_init(struct drive_opt
*arg
, int snapshot
, void *opaque
)
2230 const char *mediastr
= "";
2231 BlockInterfaceType type
;
2232 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2233 int bus_id
, unit_id
;
2234 int cyls
, heads
, secs
, translation
;
2235 BlockDriverState
*bdrv
;
2236 BlockDriver
*drv
= NULL
;
2237 QEMUMachine
*machine
= opaque
;
2241 int bdrv_flags
, onerror
;
2242 const char *devaddr
;
2243 int drives_table_idx
;
2244 char *str
= arg
->opt
;
2245 static const char * const params
[] = { "bus", "unit", "if", "index",
2246 "cyls", "heads", "secs", "trans",
2247 "media", "snapshot", "file",
2248 "cache", "format", "serial",
2253 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2254 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2260 cyls
= heads
= secs
= 0;
2263 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2267 if (machine
->use_scsi
) {
2269 max_devs
= MAX_SCSI_DEVS
;
2270 pstrcpy(devname
, sizeof(devname
), "scsi");
2273 max_devs
= MAX_IDE_DEVS
;
2274 pstrcpy(devname
, sizeof(devname
), "ide");
2278 /* extract parameters */
2280 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2281 bus_id
= strtol(buf
, NULL
, 0);
2283 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2288 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2289 unit_id
= strtol(buf
, NULL
, 0);
2291 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2296 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2297 pstrcpy(devname
, sizeof(devname
), buf
);
2298 if (!strcmp(buf
, "ide")) {
2300 max_devs
= MAX_IDE_DEVS
;
2301 } else if (!strcmp(buf
, "scsi")) {
2303 max_devs
= MAX_SCSI_DEVS
;
2304 } else if (!strcmp(buf
, "floppy")) {
2307 } else if (!strcmp(buf
, "pflash")) {
2310 } else if (!strcmp(buf
, "mtd")) {
2313 } else if (!strcmp(buf
, "sd")) {
2316 } else if (!strcmp(buf
, "virtio")) {
2319 } else if (!strcmp(buf
, "xen")) {
2323 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2328 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2329 index
= strtol(buf
, NULL
, 0);
2331 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2336 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2337 cyls
= strtol(buf
, NULL
, 0);
2340 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2341 heads
= strtol(buf
, NULL
, 0);
2344 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2345 secs
= strtol(buf
, NULL
, 0);
2348 if (cyls
|| heads
|| secs
) {
2349 if (cyls
< 1 || cyls
> 16383) {
2350 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2353 if (heads
< 1 || heads
> 16) {
2354 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2357 if (secs
< 1 || secs
> 63) {
2358 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2363 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2366 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2370 if (!strcmp(buf
, "none"))
2371 translation
= BIOS_ATA_TRANSLATION_NONE
;
2372 else if (!strcmp(buf
, "lba"))
2373 translation
= BIOS_ATA_TRANSLATION_LBA
;
2374 else if (!strcmp(buf
, "auto"))
2375 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2377 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2382 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2383 if (!strcmp(buf
, "disk")) {
2385 } else if (!strcmp(buf
, "cdrom")) {
2386 if (cyls
|| secs
|| heads
) {
2388 "qemu: '%s' invalid physical CHS format\n", str
);
2391 media
= MEDIA_CDROM
;
2393 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2398 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2399 if (!strcmp(buf
, "on"))
2401 else if (!strcmp(buf
, "off"))
2404 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2409 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2410 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2412 else if (!strcmp(buf
, "writethrough"))
2414 else if (!strcmp(buf
, "writeback"))
2417 fprintf(stderr
, "qemu: invalid cache option\n");
2422 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2423 if (strcmp(buf
, "?") == 0) {
2424 fprintf(stderr
, "qemu: Supported formats:");
2425 bdrv_iterate_format(bdrv_format_print
, NULL
);
2426 fprintf(stderr
, "\n");
2429 drv
= bdrv_find_format(buf
);
2431 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2436 if (get_param_value(buf
, sizeof(buf
), "boot", str
)) {
2437 if (!strcmp(buf
, "on")) {
2438 if (extboot_drive
!= -1) {
2439 fprintf(stderr
, "qemu: two bootable drives specified\n");
2442 extboot_drive
= nb_drives
;
2443 } else if (strcmp(buf
, "off")) {
2444 fprintf(stderr
, "qemu: '%s' invalid boot option\n", str
);
2449 if (arg
->file
== NULL
)
2450 get_param_value(file
, sizeof(file
), "file", str
);
2452 pstrcpy(file
, sizeof(file
), arg
->file
);
2454 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2455 memset(serial
, 0, sizeof(serial
));
2457 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2458 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2459 if (type
!= IF_IDE
&& type
!= IF_SCSI
&& type
!= IF_VIRTIO
) {
2460 fprintf(stderr
, "werror is no supported by this format\n");
2463 if (!strcmp(buf
, "ignore"))
2464 onerror
= BLOCK_ERR_IGNORE
;
2465 else if (!strcmp(buf
, "enospc"))
2466 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2467 else if (!strcmp(buf
, "stop"))
2468 onerror
= BLOCK_ERR_STOP_ANY
;
2469 else if (!strcmp(buf
, "report"))
2470 onerror
= BLOCK_ERR_REPORT
;
2472 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2478 if (get_param_value(buf
, sizeof(buf
), "addr", str
)) {
2479 if (type
!= IF_VIRTIO
) {
2480 fprintf(stderr
, "addr is not supported by in '%s'\n", str
);
2483 devaddr
= strdup(buf
);
2486 /* compute bus and unit according index */
2489 if (bus_id
!= 0 || unit_id
!= -1) {
2491 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2499 unit_id
= index
% max_devs
;
2500 bus_id
= index
/ max_devs
;
2504 /* if user doesn't specify a unit_id,
2505 * try to find the first free
2508 if (unit_id
== -1) {
2510 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2512 if (max_devs
&& unit_id
>= max_devs
) {
2513 unit_id
-= max_devs
;
2521 if (max_devs
&& unit_id
>= max_devs
) {
2522 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2523 str
, unit_id
, max_devs
- 1);
2528 * ignore multiple definitions
2531 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2536 if (type
== IF_IDE
|| type
== IF_SCSI
)
2537 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2539 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2540 devname
, bus_id
, mediastr
, unit_id
);
2542 snprintf(buf
, sizeof(buf
), "%s%s%i",
2543 devname
, mediastr
, unit_id
);
2544 bdrv
= bdrv_new(buf
);
2545 drives_table_idx
= drive_get_free_idx();
2546 drives_table
[drives_table_idx
].bdrv
= bdrv
;
2547 drives_table
[drives_table_idx
].devaddr
= devaddr
;
2548 drives_table
[drives_table_idx
].type
= type
;
2549 drives_table
[drives_table_idx
].bus
= bus_id
;
2550 drives_table
[drives_table_idx
].unit
= unit_id
;
2551 drives_table
[drives_table_idx
].onerror
= onerror
;
2552 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
2553 strncpy(drives_table
[drives_table_idx
].serial
, serial
, sizeof(serial
));
2563 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2564 bdrv_set_translation_hint(bdrv
, translation
);
2568 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2573 /* FIXME: This isn't really a floppy, but it's a reasonable
2576 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2589 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2590 cache
= 2; /* always use write-back with snapshot */
2592 if (cache
== 0) /* no caching */
2593 bdrv_flags
|= BDRV_O_NOCACHE
;
2594 else if (cache
== 2) /* write-back */
2595 bdrv_flags
|= BDRV_O_CACHE_WB
;
2596 else if (cache
== 3) /* not specified */
2597 bdrv_flags
|= BDRV_O_CACHE_DEF
;
2598 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0) {
2599 fprintf(stderr
, "qemu: could not open disk image %s\n",
2603 if (bdrv_key_required(bdrv
))
2605 return drives_table_idx
;
2608 static void numa_add(const char *optarg
)
2612 unsigned long long value
, endvalue
;
2615 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
2616 if (!strcmp(option
, "node")) {
2617 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
2618 nodenr
= nb_numa_nodes
;
2620 nodenr
= strtoull(option
, NULL
, 10);
2623 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
2624 node_mem
[nodenr
] = 0;
2626 value
= strtoull(option
, &endptr
, 0);
2628 case 0: case 'M': case 'm':
2635 node_mem
[nodenr
] = value
;
2637 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
2638 node_cpumask
[nodenr
] = 0;
2640 value
= strtoull(option
, &endptr
, 10);
2643 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
2645 if (*endptr
== '-') {
2646 endvalue
= strtoull(endptr
+1, &endptr
, 10);
2647 if (endvalue
>= 63) {
2650 "only 63 CPUs in NUMA mode supported.\n");
2652 value
= (1 << (endvalue
+ 1)) - (1 << value
);
2657 node_cpumask
[nodenr
] = value
;
2664 /***********************************************************/
2667 static USBPort
*used_usb_ports
;
2668 static USBPort
*free_usb_ports
;
2670 /* ??? Maybe change this to register a hub to keep track of the topology. */
2671 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2672 usb_attachfn attach
)
2674 port
->opaque
= opaque
;
2675 port
->index
= index
;
2676 port
->attach
= attach
;
2677 port
->next
= free_usb_ports
;
2678 free_usb_ports
= port
;
2681 int usb_device_add_dev(USBDevice
*dev
)
2685 /* Find a USB port to add the device to. */
2686 port
= free_usb_ports
;
2690 /* Create a new hub and chain it on. */
2691 free_usb_ports
= NULL
;
2692 port
->next
= used_usb_ports
;
2693 used_usb_ports
= port
;
2695 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2696 usb_attach(port
, hub
);
2697 port
= free_usb_ports
;
2700 free_usb_ports
= port
->next
;
2701 port
->next
= used_usb_ports
;
2702 used_usb_ports
= port
;
2703 usb_attach(port
, dev
);
2707 static void usb_msd_password_cb(void *opaque
, int err
)
2709 USBDevice
*dev
= opaque
;
2712 usb_device_add_dev(dev
);
2714 dev
->handle_destroy(dev
);
2717 static int usb_device_add(const char *devname
, int is_hotplug
)
2722 if (!free_usb_ports
)
2725 if (strstart(devname
, "host:", &p
)) {
2726 dev
= usb_host_device_open(p
);
2727 } else if (!strcmp(devname
, "mouse")) {
2728 dev
= usb_mouse_init();
2729 } else if (!strcmp(devname
, "tablet")) {
2730 dev
= usb_tablet_init();
2731 } else if (!strcmp(devname
, "keyboard")) {
2732 dev
= usb_keyboard_init();
2733 } else if (strstart(devname
, "disk:", &p
)) {
2734 BlockDriverState
*bs
;
2736 dev
= usb_msd_init(p
);
2739 bs
= usb_msd_get_bdrv(dev
);
2740 if (bdrv_key_required(bs
)) {
2743 monitor_read_bdrv_key_start(cur_mon
, bs
, usb_msd_password_cb
,
2748 } else if (!strcmp(devname
, "wacom-tablet")) {
2749 dev
= usb_wacom_init();
2750 } else if (strstart(devname
, "serial:", &p
)) {
2751 dev
= usb_serial_init(p
);
2752 #ifdef CONFIG_BRLAPI
2753 } else if (!strcmp(devname
, "braille")) {
2754 dev
= usb_baum_init();
2756 } else if (strstart(devname
, "net:", &p
)) {
2759 if (net_client_init(NULL
, "nic", p
) < 0)
2761 nd_table
[nic
].model
= "usb";
2762 dev
= usb_net_init(&nd_table
[nic
]);
2763 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2764 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2765 bt_new_hci(qemu_find_bt_vlan(0)));
2772 return usb_device_add_dev(dev
);
2775 int usb_device_del_addr(int bus_num
, int addr
)
2781 if (!used_usb_ports
)
2787 lastp
= &used_usb_ports
;
2788 port
= used_usb_ports
;
2789 while (port
&& port
->dev
->addr
!= addr
) {
2790 lastp
= &port
->next
;
2798 *lastp
= port
->next
;
2799 usb_attach(port
, NULL
);
2800 dev
->handle_destroy(dev
);
2801 port
->next
= free_usb_ports
;
2802 free_usb_ports
= port
;
2806 static int usb_device_del(const char *devname
)
2811 if (strstart(devname
, "host:", &p
))
2812 return usb_host_device_close(p
);
2814 if (!used_usb_ports
)
2817 p
= strchr(devname
, '.');
2820 bus_num
= strtoul(devname
, NULL
, 0);
2821 addr
= strtoul(p
+ 1, NULL
, 0);
2823 return usb_device_del_addr(bus_num
, addr
);
2826 void do_usb_add(Monitor
*mon
, const char *devname
)
2828 usb_device_add(devname
, 1);
2831 void do_usb_del(Monitor
*mon
, const char *devname
)
2833 usb_device_del(devname
);
2836 void usb_info(Monitor
*mon
)
2840 const char *speed_str
;
2843 monitor_printf(mon
, "USB support not enabled\n");
2847 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2851 switch(dev
->speed
) {
2855 case USB_SPEED_FULL
:
2858 case USB_SPEED_HIGH
:
2865 monitor_printf(mon
, " Device %d.%d, Speed %s Mb/s, Product %s\n",
2866 0, dev
->addr
, speed_str
, dev
->devname
);
2870 /***********************************************************/
2871 /* PCMCIA/Cardbus */
2873 static struct pcmcia_socket_entry_s
{
2874 PCMCIASocket
*socket
;
2875 struct pcmcia_socket_entry_s
*next
;
2876 } *pcmcia_sockets
= 0;
2878 void pcmcia_socket_register(PCMCIASocket
*socket
)
2880 struct pcmcia_socket_entry_s
*entry
;
2882 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2883 entry
->socket
= socket
;
2884 entry
->next
= pcmcia_sockets
;
2885 pcmcia_sockets
= entry
;
2888 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
2890 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2892 ptr
= &pcmcia_sockets
;
2893 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2894 if (entry
->socket
== socket
) {
2900 void pcmcia_info(Monitor
*mon
)
2902 struct pcmcia_socket_entry_s
*iter
;
2904 if (!pcmcia_sockets
)
2905 monitor_printf(mon
, "No PCMCIA sockets\n");
2907 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2908 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
2909 iter
->socket
->attached
? iter
->socket
->card_string
:
2913 /***********************************************************/
2914 /* register display */
2916 struct DisplayAllocator default_allocator
= {
2917 defaultallocator_create_displaysurface
,
2918 defaultallocator_resize_displaysurface
,
2919 defaultallocator_free_displaysurface
2922 void register_displaystate(DisplayState
*ds
)
2932 DisplayState
*get_displaystate(void)
2934 return display_state
;
2937 DisplayAllocator
*register_displayallocator(DisplayState
*ds
, DisplayAllocator
*da
)
2939 if(ds
->allocator
== &default_allocator
) ds
->allocator
= da
;
2940 return ds
->allocator
;
2945 static void dumb_display_init(void)
2947 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2948 ds
->allocator
= &default_allocator
;
2949 ds
->surface
= qemu_create_displaysurface(ds
, 640, 480);
2950 register_displaystate(ds
);
2953 /***********************************************************/
2956 typedef struct IOHandlerRecord
{
2958 IOCanRWHandler
*fd_read_poll
;
2960 IOHandler
*fd_write
;
2963 /* temporary data */
2965 struct IOHandlerRecord
*next
;
2968 static IOHandlerRecord
*first_io_handler
;
2970 /* XXX: fd_read_poll should be suppressed, but an API change is
2971 necessary in the character devices to suppress fd_can_read(). */
2972 int qemu_set_fd_handler2(int fd
,
2973 IOCanRWHandler
*fd_read_poll
,
2975 IOHandler
*fd_write
,
2978 IOHandlerRecord
**pioh
, *ioh
;
2980 if (!fd_read
&& !fd_write
) {
2981 pioh
= &first_io_handler
;
2986 if (ioh
->fd
== fd
) {
2993 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2997 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2998 ioh
->next
= first_io_handler
;
2999 first_io_handler
= ioh
;
3002 ioh
->fd_read_poll
= fd_read_poll
;
3003 ioh
->fd_read
= fd_read
;
3004 ioh
->fd_write
= fd_write
;
3005 ioh
->opaque
= opaque
;
3008 qemu_notify_event();
3012 int qemu_set_fd_handler(int fd
,
3014 IOHandler
*fd_write
,
3017 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
3021 /***********************************************************/
3022 /* Polling handling */
3024 typedef struct PollingEntry
{
3027 struct PollingEntry
*next
;
3030 static PollingEntry
*first_polling_entry
;
3032 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
3034 PollingEntry
**ppe
, *pe
;
3035 pe
= qemu_mallocz(sizeof(PollingEntry
));
3037 pe
->opaque
= opaque
;
3038 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
3043 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
3045 PollingEntry
**ppe
, *pe
;
3046 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
3048 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
3056 /***********************************************************/
3057 /* Wait objects support */
3058 typedef struct WaitObjects
{
3060 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
3061 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
3062 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
3065 static WaitObjects wait_objects
= {0};
3067 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3069 WaitObjects
*w
= &wait_objects
;
3071 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
3073 w
->events
[w
->num
] = handle
;
3074 w
->func
[w
->num
] = func
;
3075 w
->opaque
[w
->num
] = opaque
;
3080 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3083 WaitObjects
*w
= &wait_objects
;
3086 for (i
= 0; i
< w
->num
; i
++) {
3087 if (w
->events
[i
] == handle
)
3090 w
->events
[i
] = w
->events
[i
+ 1];
3091 w
->func
[i
] = w
->func
[i
+ 1];
3092 w
->opaque
[i
] = w
->opaque
[i
+ 1];
3100 /***********************************************************/
3101 /* ram save/restore */
3103 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3107 v
= qemu_get_byte(f
);
3110 if (qemu_get_buffer(f
, buf
, len
) != len
)
3114 v
= qemu_get_byte(f
);
3115 memset(buf
, v
, len
);
3121 if (qemu_file_has_error(f
))
3127 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3132 if (qemu_get_be32(f
) != last_ram_offset
)
3134 for(i
= 0; i
< last_ram_offset
; i
+= TARGET_PAGE_SIZE
) {
3135 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
3137 ret
= ram_get_page(f
, qemu_get_ram_ptr(i
), TARGET_PAGE_SIZE
);
3144 #define BDRV_HASH_BLOCK_SIZE 1024
3145 #define IOBUF_SIZE 4096
3146 #define RAM_CBLOCK_MAGIC 0xfabe
3148 typedef struct RamDecompressState
{
3151 uint8_t buf
[IOBUF_SIZE
];
3152 } RamDecompressState
;
3154 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3157 memset(s
, 0, sizeof(*s
));
3159 ret
= inflateInit(&s
->zstream
);
3165 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3169 s
->zstream
.avail_out
= len
;
3170 s
->zstream
.next_out
= buf
;
3171 while (s
->zstream
.avail_out
> 0) {
3172 if (s
->zstream
.avail_in
== 0) {
3173 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3175 clen
= qemu_get_be16(s
->f
);
3176 if (clen
> IOBUF_SIZE
)
3178 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3179 s
->zstream
.avail_in
= clen
;
3180 s
->zstream
.next_in
= s
->buf
;
3182 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3183 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3190 static void ram_decompress_close(RamDecompressState
*s
)
3192 inflateEnd(&s
->zstream
);
3195 #define RAM_SAVE_FLAG_FULL 0x01
3196 #define RAM_SAVE_FLAG_COMPRESS 0x02
3197 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3198 #define RAM_SAVE_FLAG_PAGE 0x08
3199 #define RAM_SAVE_FLAG_EOS 0x10
3201 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3203 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3204 uint32_t *array
= (uint32_t *)page
;
3207 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3208 if (array
[i
] != val
)
3215 static int ram_save_block(QEMUFile
*f
)
3217 static ram_addr_t current_addr
= 0;
3218 ram_addr_t saved_addr
= current_addr
;
3219 ram_addr_t addr
= 0;
3222 while (addr
< last_ram_offset
) {
3223 if (kvm_enabled() && current_addr
== 0) {
3225 r
= kvm_update_dirty_pages_log();
3227 fprintf(stderr
, "%s: update dirty pages log failed %d\n", __FUNCTION__
, r
);
3228 qemu_file_set_error(f
);
3232 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3235 cpu_physical_memory_reset_dirty(current_addr
,
3236 current_addr
+ TARGET_PAGE_SIZE
,
3237 MIGRATION_DIRTY_FLAG
);
3239 p
= qemu_get_ram_ptr(current_addr
);
3241 if (is_dup_page(p
, *p
)) {
3242 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3243 qemu_put_byte(f
, *p
);
3245 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3246 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
3252 addr
+= TARGET_PAGE_SIZE
;
3253 current_addr
= (saved_addr
+ addr
) % last_ram_offset
;
3259 static uint64_t bytes_transferred
= 0;
3261 static ram_addr_t
ram_save_remaining(void)
3264 ram_addr_t count
= 0;
3266 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3267 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3274 uint64_t ram_bytes_remaining(void)
3276 return ram_save_remaining() * TARGET_PAGE_SIZE
;
3279 uint64_t ram_bytes_transferred(void)
3281 return bytes_transferred
;
3284 uint64_t ram_bytes_total(void)
3286 return last_ram_offset
;
3289 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3292 uint64_t bytes_transferred_last
;
3294 uint64_t expected_time
= 0;
3296 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX
) != 0) {
3297 qemu_file_set_error(f
);
3302 /* Make sure all dirty bits are set */
3303 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3304 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3305 cpu_physical_memory_set_dirty(addr
);
3308 /* Enable dirty memory tracking */
3309 cpu_physical_memory_set_dirty_tracking(1);
3311 qemu_put_be64(f
, last_ram_offset
| RAM_SAVE_FLAG_MEM_SIZE
);
3314 bytes_transferred_last
= bytes_transferred
;
3315 bwidth
= get_clock();
3317 while (!qemu_file_rate_limit(f
)) {
3320 ret
= ram_save_block(f
);
3321 bytes_transferred
+= ret
* TARGET_PAGE_SIZE
;
3322 if (ret
== 0) /* no more blocks */
3326 bwidth
= get_clock() - bwidth
;
3327 bwidth
= (bytes_transferred
- bytes_transferred_last
) / bwidth
;
3329 /* if we haven't transferred anything this round, force expected_time to a
3330 * a very high value, but without crashing */
3334 /* try transferring iterative blocks of memory */
3338 /* flush all remaining blocks regardless of rate limiting */
3339 while (ram_save_block(f
) != 0) {
3340 bytes_transferred
+= TARGET_PAGE_SIZE
;
3342 cpu_physical_memory_set_dirty_tracking(0);
3345 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3347 expected_time
= ram_save_remaining() * TARGET_PAGE_SIZE
/ bwidth
;
3349 return (stage
== 2) && (expected_time
<= migrate_max_downtime());
3352 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3354 RamDecompressState s1
, *s
= &s1
;
3358 if (ram_decompress_open(s
, f
) < 0)
3360 for(i
= 0; i
< last_ram_offset
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3361 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
3363 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3364 fprintf(stderr
, "Error while reading ram block header\n");
3368 if (ram_decompress_buf(s
, qemu_get_ram_ptr(i
),
3369 BDRV_HASH_BLOCK_SIZE
) < 0) {
3370 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3375 printf("Error block header\n");
3379 ram_decompress_close(s
);
3384 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3389 if (version_id
== 1)
3390 return ram_load_v1(f
, opaque
);
3392 if (version_id
== 2) {
3393 if (qemu_get_be32(f
) != last_ram_offset
)
3395 return ram_load_dead(f
, opaque
);
3398 if (version_id
!= 3)
3402 addr
= qemu_get_be64(f
);
3404 flags
= addr
& ~TARGET_PAGE_MASK
;
3405 addr
&= TARGET_PAGE_MASK
;
3407 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3408 if (addr
!= last_ram_offset
)
3412 if (flags
& RAM_SAVE_FLAG_FULL
) {
3413 if (ram_load_dead(f
, opaque
) < 0)
3417 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3418 uint8_t ch
= qemu_get_byte(f
);
3419 #if defined(__linux__)
3421 (!kvm_enabled() || kvm_has_sync_mmu())) {
3422 madvise(qemu_get_ram_ptr(addr
), TARGET_PAGE_SIZE
, MADV_DONTNEED
);
3425 memset(qemu_get_ram_ptr(addr
), ch
, TARGET_PAGE_SIZE
);
3426 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3427 qemu_get_buffer(f
, qemu_get_ram_ptr(addr
), TARGET_PAGE_SIZE
);
3428 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3433 void qemu_service_io(void)
3435 qemu_notify_event();
3438 /***********************************************************/
3439 /* bottom halves (can be seen as timers which expire ASAP) */
3450 static QEMUBH
*first_bh
= NULL
;
3452 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3455 bh
= qemu_mallocz(sizeof(QEMUBH
));
3457 bh
->opaque
= opaque
;
3458 bh
->next
= first_bh
;
3463 int qemu_bh_poll(void)
3469 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3470 if (!bh
->deleted
&& bh
->scheduled
) {
3479 /* remove deleted bhs */
3493 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3501 void qemu_bh_schedule(QEMUBH
*bh
)
3507 /* stop the currently executing CPU to execute the BH ASAP */
3508 qemu_notify_event();
3511 void qemu_bh_cancel(QEMUBH
*bh
)
3516 void qemu_bh_delete(QEMUBH
*bh
)
3522 static void qemu_bh_update_timeout(int *timeout
)
3526 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3527 if (!bh
->deleted
&& bh
->scheduled
) {
3529 /* idle bottom halves will be polled at least
3531 *timeout
= MIN(10, *timeout
);
3533 /* non-idle bottom halves will be executed
3542 /***********************************************************/
3543 /* machine registration */
3545 static QEMUMachine
*first_machine
= NULL
;
3546 QEMUMachine
*current_machine
= NULL
;
3548 int qemu_register_machine(QEMUMachine
*m
)
3551 pm
= &first_machine
;
3559 static QEMUMachine
*find_machine(const char *name
)
3563 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3564 if (!strcmp(m
->name
, name
))
3570 static QEMUMachine
*find_default_machine(void)
3574 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3575 if (m
->is_default
) {
3582 /***********************************************************/
3583 /* main execution loop */
3585 static void gui_update(void *opaque
)
3587 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3588 DisplayState
*ds
= opaque
;
3589 DisplayChangeListener
*dcl
= ds
->listeners
;
3593 while (dcl
!= NULL
) {
3594 if (dcl
->gui_timer_interval
&&
3595 dcl
->gui_timer_interval
< interval
)
3596 interval
= dcl
->gui_timer_interval
;
3599 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3602 static void nographic_update(void *opaque
)
3604 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3606 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3609 struct vm_change_state_entry
{
3610 VMChangeStateHandler
*cb
;
3612 LIST_ENTRY (vm_change_state_entry
) entries
;
3615 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3617 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3620 VMChangeStateEntry
*e
;
3622 e
= qemu_mallocz(sizeof (*e
));
3626 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3630 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3632 LIST_REMOVE (e
, entries
);
3636 static void vm_state_notify(int running
, int reason
)
3638 VMChangeStateEntry
*e
;
3640 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3641 e
->cb(e
->opaque
, running
, reason
);
3645 static void resume_all_vcpus(void);
3646 static void pause_all_vcpus(void);
3653 vm_state_notify(1, 0);
3654 qemu_rearm_alarm_timer(alarm_timer
);
3659 /* reset/shutdown handler */
3661 typedef struct QEMUResetEntry
{
3662 QEMUResetHandler
*func
;
3665 struct QEMUResetEntry
*next
;
3668 static QEMUResetEntry
*first_reset_entry
;
3669 static int reset_requested
;
3670 static int shutdown_requested
;
3671 static int powerdown_requested
;
3672 static int debug_requested
;
3673 static int vmstop_requested
;
3675 int qemu_no_shutdown(void)
3677 int r
= no_shutdown
;
3682 int qemu_shutdown_requested(void)
3684 int r
= shutdown_requested
;
3685 shutdown_requested
= 0;
3689 int qemu_reset_requested(void)
3691 int r
= reset_requested
;
3692 reset_requested
= 0;
3696 int qemu_powerdown_requested(void)
3698 int r
= powerdown_requested
;
3699 powerdown_requested
= 0;
3703 static int qemu_debug_requested(void)
3705 int r
= debug_requested
;
3706 debug_requested
= 0;
3710 static int qemu_vmstop_requested(void)
3712 int r
= vmstop_requested
;
3713 vmstop_requested
= 0;
3717 static void do_vm_stop(int reason
)
3720 cpu_disable_ticks();
3723 vm_state_notify(0, reason
);
3727 void qemu_register_reset(QEMUResetHandler
*func
, int order
, void *opaque
)
3729 QEMUResetEntry
**pre
, *re
;
3731 pre
= &first_reset_entry
;
3732 while (*pre
!= NULL
&& (*pre
)->order
>= order
) {
3733 pre
= &(*pre
)->next
;
3735 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3737 re
->opaque
= opaque
;
3743 void qemu_system_reset(void)
3747 /* reset all devices */
3748 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3749 re
->func(re
->opaque
);
3753 void qemu_system_reset_request(void)
3756 shutdown_requested
= 1;
3758 reset_requested
= 1;
3760 if (cpu_single_env
) {
3761 qemu_kvm_cpu_stop(cpu_single_env
);
3763 qemu_notify_event();
3766 void qemu_system_shutdown_request(void)
3768 shutdown_requested
= 1;
3769 qemu_notify_event();
3772 void qemu_system_powerdown_request(void)
3774 powerdown_requested
= 1;
3775 qemu_notify_event();
3778 #ifdef CONFIG_IOTHREAD
3779 static void qemu_system_vmstop_request(int reason
)
3781 vmstop_requested
= reason
;
3782 qemu_notify_event();
3787 static int io_thread_fd
= -1;
3789 static void qemu_event_increment(void)
3791 static const char byte
= 0;
3793 if (io_thread_fd
== -1)
3796 write(io_thread_fd
, &byte
, sizeof(byte
));
3799 static void qemu_event_read(void *opaque
)
3801 int fd
= (unsigned long)opaque
;
3804 /* Drain the notify pipe */
3807 len
= read(fd
, buffer
, sizeof(buffer
));
3808 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
3811 static int qemu_event_init(void)
3820 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
3824 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
3828 qemu_set_fd_handler2(fds
[0], NULL
, qemu_event_read
, NULL
,
3829 (void *)(unsigned long)fds
[0]);
3831 io_thread_fd
= fds
[1];
3840 HANDLE qemu_event_handle
;
3842 static void dummy_event_handler(void *opaque
)
3846 static int qemu_event_init(void)
3848 qemu_event_handle
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
3849 if (!qemu_event_handle
) {
3850 perror("Failed CreateEvent");
3853 qemu_add_wait_object(qemu_event_handle
, dummy_event_handler
, NULL
);
3857 static void qemu_event_increment(void)
3859 SetEvent(qemu_event_handle
);
3863 static int cpu_can_run(CPUState
*env
)
3872 #ifndef CONFIG_IOTHREAD
3873 static int qemu_init_main_loop(void)
3875 return qemu_event_init();
3878 void qemu_init_vcpu(void *_env
)
3880 CPUState
*env
= _env
;
3887 int qemu_cpu_self(void *env
)
3892 static void resume_all_vcpus(void)
3896 static void pause_all_vcpus(void)
3900 void qemu_cpu_kick(void *env
)
3905 void qemu_notify_event(void)
3907 CPUState
*env
= cpu_single_env
;
3909 if (kvm_enabled()) {
3910 qemu_kvm_notify_work();
3916 if (env
->kqemu_enabled
)
3917 kqemu_cpu_interrupt(env
);
3922 #define qemu_mutex_lock_iothread() do { } while (0)
3923 #define qemu_mutex_unlock_iothread() do { } while (0)
3925 void vm_stop(int reason
)
3930 #else /* CONFIG_IOTHREAD */
3932 #include "qemu-thread.h"
3934 QemuMutex qemu_global_mutex
;
3935 static QemuMutex qemu_fair_mutex
;
3937 static QemuThread io_thread
;
3939 static QemuThread
*tcg_cpu_thread
;
3940 static QemuCond
*tcg_halt_cond
;
3942 static int qemu_system_ready
;
3944 static QemuCond qemu_cpu_cond
;
3946 static QemuCond qemu_system_cond
;
3947 static QemuCond qemu_pause_cond
;
3949 static void block_io_signals(void);
3950 static void unblock_io_signals(void);
3951 static int tcg_has_work(void);
3953 static int qemu_init_main_loop(void)
3957 ret
= qemu_event_init();
3961 qemu_cond_init(&qemu_pause_cond
);
3962 qemu_mutex_init(&qemu_fair_mutex
);
3963 qemu_mutex_init(&qemu_global_mutex
);
3964 qemu_mutex_lock(&qemu_global_mutex
);
3966 unblock_io_signals();
3967 qemu_thread_self(&io_thread
);
3972 static void qemu_wait_io_event(CPUState
*env
)
3974 while (!tcg_has_work())
3975 qemu_cond_timedwait(env
->halt_cond
, &qemu_global_mutex
, 1000);
3977 qemu_mutex_unlock(&qemu_global_mutex
);
3980 * Users of qemu_global_mutex can be starved, having no chance
3981 * to acquire it since this path will get to it first.
3982 * So use another lock to provide fairness.
3984 qemu_mutex_lock(&qemu_fair_mutex
);
3985 qemu_mutex_unlock(&qemu_fair_mutex
);
3987 qemu_mutex_lock(&qemu_global_mutex
);
3991 qemu_cond_signal(&qemu_pause_cond
);
3995 static int qemu_cpu_exec(CPUState
*env
);
3997 static void *kvm_cpu_thread_fn(void *arg
)
3999 CPUState
*env
= arg
;
4002 qemu_thread_self(env
->thread
);
4004 /* signal CPU creation */
4005 qemu_mutex_lock(&qemu_global_mutex
);
4007 qemu_cond_signal(&qemu_cpu_cond
);
4009 /* and wait for machine initialization */
4010 while (!qemu_system_ready
)
4011 qemu_cond_timedwait(&qemu_system_cond
, &qemu_global_mutex
, 100);
4014 if (cpu_can_run(env
))
4016 qemu_wait_io_event(env
);
4022 static void tcg_cpu_exec(void);
4024 static void *tcg_cpu_thread_fn(void *arg
)
4026 CPUState
*env
= arg
;
4029 qemu_thread_self(env
->thread
);
4031 /* signal CPU creation */
4032 qemu_mutex_lock(&qemu_global_mutex
);
4033 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
4035 qemu_cond_signal(&qemu_cpu_cond
);
4037 /* and wait for machine initialization */
4038 while (!qemu_system_ready
)
4039 qemu_cond_timedwait(&qemu_system_cond
, &qemu_global_mutex
, 100);
4043 qemu_wait_io_event(cur_cpu
);
4049 void qemu_cpu_kick(void *_env
)
4051 CPUState
*env
= _env
;
4052 qemu_cond_broadcast(env
->halt_cond
);
4054 qemu_thread_signal(env
->thread
, SIGUSR1
);
4057 int qemu_cpu_self(void *env
)
4059 return (cpu_single_env
!= NULL
);
4062 static void cpu_signal(int sig
)
4065 cpu_exit(cpu_single_env
);
4068 static void block_io_signals(void)
4071 struct sigaction sigact
;
4074 sigaddset(&set
, SIGUSR2
);
4075 sigaddset(&set
, SIGIO
);
4076 sigaddset(&set
, SIGALRM
);
4077 pthread_sigmask(SIG_BLOCK
, &set
, NULL
);
4080 sigaddset(&set
, SIGUSR1
);
4081 pthread_sigmask(SIG_UNBLOCK
, &set
, NULL
);
4083 memset(&sigact
, 0, sizeof(sigact
));
4084 sigact
.sa_handler
= cpu_signal
;
4085 sigaction(SIGUSR1
, &sigact
, NULL
);
4088 static void unblock_io_signals(void)
4093 sigaddset(&set
, SIGUSR2
);
4094 sigaddset(&set
, SIGIO
);
4095 sigaddset(&set
, SIGALRM
);
4096 pthread_sigmask(SIG_UNBLOCK
, &set
, NULL
);
4099 sigaddset(&set
, SIGUSR1
);
4100 pthread_sigmask(SIG_BLOCK
, &set
, NULL
);
4103 static void qemu_signal_lock(unsigned int msecs
)
4105 qemu_mutex_lock(&qemu_fair_mutex
);
4107 while (qemu_mutex_trylock(&qemu_global_mutex
)) {
4108 qemu_thread_signal(tcg_cpu_thread
, SIGUSR1
);
4109 if (!qemu_mutex_timedlock(&qemu_global_mutex
, msecs
))
4112 qemu_mutex_unlock(&qemu_fair_mutex
);
4115 static void qemu_mutex_lock_iothread(void)
4117 if (kvm_enabled()) {
4118 qemu_mutex_lock(&qemu_fair_mutex
);
4119 qemu_mutex_lock(&qemu_global_mutex
);
4120 qemu_mutex_unlock(&qemu_fair_mutex
);
4122 qemu_signal_lock(100);
4125 static void qemu_mutex_unlock_iothread(void)
4127 qemu_mutex_unlock(&qemu_global_mutex
);
4130 static int all_vcpus_paused(void)
4132 CPUState
*penv
= first_cpu
;
4137 penv
= (CPUState
*)penv
->next_cpu
;
4143 static void pause_all_vcpus(void)
4145 CPUState
*penv
= first_cpu
;
4149 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4150 qemu_cpu_kick(penv
);
4151 penv
= (CPUState
*)penv
->next_cpu
;
4154 while (!all_vcpus_paused()) {
4155 qemu_cond_timedwait(&qemu_pause_cond
, &qemu_global_mutex
, 100);
4158 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4159 penv
= (CPUState
*)penv
->next_cpu
;
4164 static void resume_all_vcpus(void)
4166 CPUState
*penv
= first_cpu
;
4171 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4172 qemu_cpu_kick(penv
);
4173 penv
= (CPUState
*)penv
->next_cpu
;
4177 static void tcg_init_vcpu(void *_env
)
4179 CPUState
*env
= _env
;
4180 /* share a single thread for all cpus with TCG */
4181 if (!tcg_cpu_thread
) {
4182 env
->thread
= qemu_mallocz(sizeof(QemuThread
));
4183 env
->halt_cond
= qemu_mallocz(sizeof(QemuCond
));
4184 qemu_cond_init(env
->halt_cond
);
4185 qemu_thread_create(env
->thread
, tcg_cpu_thread_fn
, env
);
4186 while (env
->created
== 0)
4187 qemu_cond_timedwait(&qemu_cpu_cond
, &qemu_global_mutex
, 100);
4188 tcg_cpu_thread
= env
->thread
;
4189 tcg_halt_cond
= env
->halt_cond
;
4191 env
->thread
= tcg_cpu_thread
;
4192 env
->halt_cond
= tcg_halt_cond
;
4196 static void kvm_start_vcpu(CPUState
*env
)
4199 env
->thread
= qemu_mallocz(sizeof(QemuThread
));
4200 env
->halt_cond
= qemu_mallocz(sizeof(QemuCond
));
4201 qemu_cond_init(env
->halt_cond
);
4202 qemu_thread_create(env
->thread
, kvm_cpu_thread_fn
, env
);
4203 while (env
->created
== 0)
4204 qemu_cond_timedwait(&qemu_cpu_cond
, &qemu_global_mutex
, 100);
4207 void qemu_init_vcpu(void *_env
)
4209 CPUState
*env
= _env
;
4212 kvm_start_vcpu(env
);
4217 void qemu_notify_event(void)
4219 qemu_event_increment();
4222 void vm_stop(int reason
)
4225 qemu_thread_self(&me
);
4227 if (!qemu_thread_equal(&me
, &io_thread
)) {
4228 qemu_system_vmstop_request(reason
);
4230 * FIXME: should not return to device code in case
4231 * vm_stop() has been requested.
4233 if (cpu_single_env
) {
4234 cpu_exit(cpu_single_env
);
4235 cpu_single_env
->stop
= 1;
4246 static void host_main_loop_wait(int *timeout
)
4252 /* XXX: need to suppress polling by better using win32 events */
4254 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
4255 ret
|= pe
->func(pe
->opaque
);
4259 WaitObjects
*w
= &wait_objects
;
4261 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
4262 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
4263 if (w
->func
[ret
- WAIT_OBJECT_0
])
4264 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
4266 /* Check for additional signaled events */
4267 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
4269 /* Check if event is signaled */
4270 ret2
= WaitForSingleObject(w
->events
[i
], 0);
4271 if(ret2
== WAIT_OBJECT_0
) {
4273 w
->func
[i
](w
->opaque
[i
]);
4274 } else if (ret2
== WAIT_TIMEOUT
) {
4276 err
= GetLastError();
4277 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
4280 } else if (ret
== WAIT_TIMEOUT
) {
4282 err
= GetLastError();
4283 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
4290 static void host_main_loop_wait(int *timeout
)
4295 void main_loop_wait(int timeout
)
4297 IOHandlerRecord
*ioh
;
4298 fd_set rfds
, wfds
, xfds
;
4302 qemu_bh_update_timeout(&timeout
);
4304 host_main_loop_wait(&timeout
);
4306 /* poll any events */
4307 /* XXX: separate device handlers from system ones */
4312 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4316 (!ioh
->fd_read_poll
||
4317 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
4318 FD_SET(ioh
->fd
, &rfds
);
4322 if (ioh
->fd_write
) {
4323 FD_SET(ioh
->fd
, &wfds
);
4329 tv
.tv_sec
= timeout
/ 1000;
4330 tv
.tv_usec
= (timeout
% 1000) * 1000;
4332 #if defined(CONFIG_SLIRP)
4333 if (slirp_is_inited()) {
4334 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
4337 ret
= qemu_select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
4339 IOHandlerRecord
**pioh
;
4341 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4342 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
4343 ioh
->fd_read(ioh
->opaque
);
4344 if (!(ioh
->fd_read_poll
&& ioh
->fd_read_poll(ioh
->opaque
)))
4345 FD_CLR(ioh
->fd
, &rfds
);
4347 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
4348 ioh
->fd_write(ioh
->opaque
);
4352 /* remove deleted IO handlers */
4353 pioh
= &first_io_handler
;
4363 #if defined(CONFIG_SLIRP)
4364 if (slirp_is_inited()) {
4370 slirp_select_poll(&rfds
, &wfds
, &xfds
);
4374 /* rearm timer, if not periodic */
4375 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
4376 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
4377 qemu_rearm_alarm_timer(alarm_timer
);
4380 /* vm time timers */
4382 if (!cur_cpu
|| likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
4383 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
4384 qemu_get_clock(vm_clock
));
4387 /* real time timers */
4388 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
4389 qemu_get_clock(rt_clock
));
4391 /* Check bottom-halves last in case any of the earlier events triggered
4397 static int qemu_cpu_exec(CPUState
*env
)
4400 #ifdef CONFIG_PROFILER
4404 #ifdef CONFIG_PROFILER
4405 ti
= profile_getclock();
4410 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
4411 env
->icount_decr
.u16
.low
= 0;
4412 env
->icount_extra
= 0;
4413 count
= qemu_next_deadline();
4414 count
= (count
+ (1 << icount_time_shift
) - 1)
4415 >> icount_time_shift
;
4416 qemu_icount
+= count
;
4417 decr
= (count
> 0xffff) ? 0xffff : count
;
4419 env
->icount_decr
.u16
.low
= decr
;
4420 env
->icount_extra
= count
;
4422 ret
= cpu_exec(env
);
4423 #ifdef CONFIG_PROFILER
4424 qemu_time
+= profile_getclock() - ti
;
4427 /* Fold pending instructions back into the
4428 instruction counter, and clear the interrupt flag. */
4429 qemu_icount
-= (env
->icount_decr
.u16
.low
4430 + env
->icount_extra
);
4431 env
->icount_decr
.u32
= 0;
4432 env
->icount_extra
= 0;
4437 static void tcg_cpu_exec(void)
4441 if (next_cpu
== NULL
)
4442 next_cpu
= first_cpu
;
4443 for (; next_cpu
!= NULL
; next_cpu
= next_cpu
->next_cpu
) {
4444 CPUState
*env
= cur_cpu
= next_cpu
;
4448 if (timer_alarm_pending
) {
4449 timer_alarm_pending
= 0;
4452 if (cpu_can_run(env
))
4453 ret
= qemu_cpu_exec(env
);
4454 if (ret
== EXCP_DEBUG
) {
4455 gdb_set_stop_cpu(env
);
4456 debug_requested
= 1;
4462 static int cpu_has_work(CPUState
*env
)
4470 if (qemu_cpu_has_work(env
))
4475 static int tcg_has_work(void)
4479 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
4480 if (cpu_has_work(env
))
4485 static int qemu_calculate_timeout(void)
4487 #ifndef CONFIG_IOTHREAD
4492 else if (tcg_has_work())
4494 else if (!use_icount
)
4497 /* XXX: use timeout computed from timers */
4500 /* Advance virtual time to the next event. */
4501 if (use_icount
== 1) {
4502 /* When not using an adaptive execution frequency
4503 we tend to get badly out of sync with real time,
4504 so just delay for a reasonable amount of time. */
4507 delta
= cpu_get_icount() - cpu_get_clock();
4510 /* If virtual time is ahead of real time then just
4512 timeout
= (delta
/ 1000000) + 1;
4514 /* Wait for either IO to occur or the next
4516 add
= qemu_next_deadline();
4517 /* We advance the timer before checking for IO.
4518 Limit the amount we advance so that early IO
4519 activity won't get the guest too far ahead. */
4523 add
= (add
+ (1 << icount_time_shift
) - 1)
4524 >> icount_time_shift
;
4526 timeout
= delta
/ 1000000;
4533 #else /* CONFIG_IOTHREAD */
4538 static int vm_can_run(void)
4540 if (powerdown_requested
)
4542 if (reset_requested
)
4544 if (shutdown_requested
)
4546 if (debug_requested
)
4551 static void main_loop(void)
4555 if (kvm_enabled()) {
4557 cpu_disable_ticks();
4561 #ifdef CONFIG_IOTHREAD
4562 qemu_system_ready
= 1;
4563 qemu_cond_broadcast(&qemu_system_cond
);
4568 #ifdef CONFIG_PROFILER
4571 #ifndef CONFIG_IOTHREAD
4574 #ifdef CONFIG_PROFILER
4575 ti
= profile_getclock();
4577 main_loop_wait(qemu_calculate_timeout());
4578 #ifdef CONFIG_PROFILER
4579 dev_time
+= profile_getclock() - ti
;
4581 } while (vm_can_run());
4583 if (qemu_debug_requested())
4584 vm_stop(EXCP_DEBUG
);
4585 if (qemu_shutdown_requested()) {
4592 if (qemu_reset_requested()) {
4594 qemu_system_reset();
4597 if (qemu_powerdown_requested())
4598 qemu_system_powerdown();
4599 if ((r
= qemu_vmstop_requested()))
4605 static void version(void)
4607 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
4610 static void help(int exitcode
)
4613 printf("usage: %s [options] [disk_image]\n"
4615 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4617 #define DEF(option, opt_arg, opt_enum, opt_help) \
4619 #define DEFHEADING(text) stringify(text) "\n"
4620 #include "qemu-options.h"
4625 "During emulation, the following keys are useful:\n"
4626 "ctrl-alt-f toggle full screen\n"
4627 "ctrl-alt-n switch to virtual console 'n'\n"
4628 "ctrl-alt toggle mouse and keyboard grab\n"
4630 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4635 DEFAULT_NETWORK_SCRIPT
,
4636 DEFAULT_NETWORK_DOWN_SCRIPT
,
4638 DEFAULT_GDBSTUB_PORT
,
4643 #define HAS_ARG 0x0001
4646 #define DEF(option, opt_arg, opt_enum, opt_help) \
4648 #define DEFHEADING(text)
4649 #include "qemu-options.h"
4655 typedef struct QEMUOption
{
4661 static const QEMUOption qemu_options
[] = {
4662 { "h", 0, QEMU_OPTION_h
},
4663 #define DEF(option, opt_arg, opt_enum, opt_help) \
4664 { option, opt_arg, opt_enum },
4665 #define DEFHEADING(text)
4666 #include "qemu-options.h"
4674 struct soundhw soundhw
[] = {
4675 #ifdef HAS_AUDIO_CHOICE
4676 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4682 { .init_isa
= pcspk_audio_init
}
4689 "Creative Sound Blaster 16",
4692 { .init_isa
= SB16_init
}
4696 #ifdef CONFIG_CS4231A
4702 { .init_isa
= cs4231a_init
}
4710 "Yamaha YMF262 (OPL3)",
4712 "Yamaha YM3812 (OPL2)",
4716 { .init_isa
= Adlib_init
}
4723 "Gravis Ultrasound GF1",
4726 { .init_isa
= GUS_init
}
4733 "Intel 82801AA AC97 Audio",
4736 { .init_pci
= ac97_init
}
4740 #ifdef CONFIG_ES1370
4743 "ENSONIQ AudioPCI ES1370",
4746 { .init_pci
= es1370_init
}
4750 #endif /* HAS_AUDIO_CHOICE */
4752 { NULL
, NULL
, 0, 0, { NULL
} }
4755 static void select_soundhw (const char *optarg
)
4759 if (*optarg
== '?') {
4762 printf ("Valid sound card names (comma separated):\n");
4763 for (c
= soundhw
; c
->name
; ++c
) {
4764 printf ("%-11s %s\n", c
->name
, c
->descr
);
4766 printf ("\n-soundhw all will enable all of the above\n");
4767 exit (*optarg
!= '?');
4775 if (!strcmp (optarg
, "all")) {
4776 for (c
= soundhw
; c
->name
; ++c
) {
4784 e
= strchr (p
, ',');
4785 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4787 for (c
= soundhw
; c
->name
; ++c
) {
4788 if (!strncmp (c
->name
, p
, l
)) {
4797 "Unknown sound card name (too big to show)\n");
4800 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4805 p
+= l
+ (e
!= NULL
);
4809 goto show_valid_cards
;
4814 static void select_vgahw (const char *p
)
4818 cirrus_vga_enabled
= 0;
4819 std_vga_enabled
= 0;
4822 if (strstart(p
, "std", &opts
)) {
4823 std_vga_enabled
= 1;
4824 } else if (strstart(p
, "cirrus", &opts
)) {
4825 cirrus_vga_enabled
= 1;
4826 } else if (strstart(p
, "vmware", &opts
)) {
4828 } else if (strstart(p
, "xenfb", &opts
)) {
4830 } else if (!strstart(p
, "none", &opts
)) {
4832 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4836 const char *nextopt
;
4838 if (strstart(opts
, ",retrace=", &nextopt
)) {
4840 if (strstart(opts
, "dumb", &nextopt
))
4841 vga_retrace_method
= VGA_RETRACE_DUMB
;
4842 else if (strstart(opts
, "precise", &nextopt
))
4843 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4844 else goto invalid_vga
;
4845 } else goto invalid_vga
;
4851 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4853 exit(STATUS_CONTROL_C_EXIT
);
4858 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4862 if(strlen(str
) != 36)
4865 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4866 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4867 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4873 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
4879 #define MAX_NET_CLIENTS 32
4883 static void termsig_handler(int signal
)
4885 qemu_system_shutdown_request();
4888 static void sigchld_handler(int signal
)
4890 waitpid(-1, NULL
, WNOHANG
);
4893 static void sighandler_setup(void)
4895 struct sigaction act
;
4897 memset(&act
, 0, sizeof(act
));
4898 act
.sa_handler
= termsig_handler
;
4899 sigaction(SIGINT
, &act
, NULL
);
4900 sigaction(SIGHUP
, &act
, NULL
);
4901 sigaction(SIGTERM
, &act
, NULL
);
4903 act
.sa_handler
= sigchld_handler
;
4904 act
.sa_flags
= SA_NOCLDSTOP
;
4905 sigaction(SIGCHLD
, &act
, NULL
);
4911 /* Look for support files in the same directory as the executable. */
4912 static char *find_datadir(const char *argv0
)
4918 len
= GetModuleFileName(NULL
, buf
, sizeof(buf
) - 1);
4925 while (p
!= buf
&& *p
!= '\\')
4928 if (access(buf
, R_OK
) == 0) {
4929 return qemu_strdup(buf
);
4935 /* Find a likely location for support files using the location of the binary.
4936 For installed binaries this will be "$bindir/../share/qemu". When
4937 running from the build tree this will be "$bindir/../pc-bios". */
4938 #define SHARE_SUFFIX "/share/qemu"
4939 #define BUILD_SUFFIX "/pc-bios"
4940 static char *find_datadir(const char *argv0
)
4950 #if defined(__linux__)
4953 len
= readlink("/proc/self/exe", buf
, sizeof(buf
) - 1);
4959 #elif defined(__FreeBSD__)
4962 len
= readlink("/proc/curproc/file", buf
, sizeof(buf
) - 1);
4969 /* If we don't have any way of figuring out the actual executable
4970 location then try argv[0]. */
4975 p
= realpath(argv0
, p
);
4983 max_len
= strlen(dir
) +
4984 MAX(strlen(SHARE_SUFFIX
), strlen(BUILD_SUFFIX
)) + 1;
4985 res
= qemu_mallocz(max_len
);
4986 snprintf(res
, max_len
, "%s%s", dir
, SHARE_SUFFIX
);
4987 if (access(res
, R_OK
)) {
4988 snprintf(res
, max_len
, "%s%s", dir
, BUILD_SUFFIX
);
4989 if (access(res
, R_OK
)) {
5003 char *qemu_find_file(int type
, const char *name
)
5009 /* If name contains path separators then try it as a straight path. */
5010 if ((strchr(name
, '/') || strchr(name
, '\\'))
5011 && access(name
, R_OK
) == 0) {
5012 return strdup(name
);
5015 case QEMU_FILE_TYPE_BIOS
:
5018 case QEMU_FILE_TYPE_KEYMAP
:
5019 subdir
= "keymaps/";
5024 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
5025 buf
= qemu_mallocz(len
);
5026 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
5027 if (access(buf
, R_OK
)) {
5034 int main(int argc
, char **argv
, char **envp
)
5036 const char *gdbstub_dev
= NULL
;
5037 uint32_t boot_devices_bitmap
= 0;
5039 int snapshot
, linux_boot
, net_boot
;
5040 const char *initrd_filename
;
5041 const char *kernel_filename
, *kernel_cmdline
;
5042 const char *boot_devices
= "";
5044 DisplayChangeListener
*dcl
;
5045 int cyls
, heads
, secs
, translation
;
5046 const char *net_clients
[MAX_NET_CLIENTS
];
5048 const char *bt_opts
[MAX_BT_CMDLINE
];
5052 const char *r
, *optarg
;
5053 CharDriverState
*monitor_hd
= NULL
;
5054 const char *monitor_device
;
5055 const char *serial_devices
[MAX_SERIAL_PORTS
];
5056 int serial_device_index
;
5057 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
5058 int parallel_device_index
;
5059 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
5060 int virtio_console_index
;
5061 const char *loadvm
= NULL
;
5062 QEMUMachine
*machine
;
5063 const char *cpu_model
;
5064 const char *usb_devices
[MAX_USB_CMDLINE
];
5065 int usb_devices_index
;
5070 const char *pid_file
= NULL
;
5071 const char *incoming
= NULL
;
5074 struct passwd
*pwd
= NULL
;
5075 const char *chroot_dir
= NULL
;
5076 const char *run_as
= NULL
;
5079 int show_vnc_port
= 0;
5081 qemu_cache_utils_init(envp
);
5083 LIST_INIT (&vm_change_state_head
);
5086 struct sigaction act
;
5087 sigfillset(&act
.sa_mask
);
5089 act
.sa_handler
= SIG_IGN
;
5090 sigaction(SIGPIPE
, &act
, NULL
);
5093 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
5094 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5095 QEMU to run on a single CPU */
5100 h
= GetCurrentProcess();
5101 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
5102 for(i
= 0; i
< 32; i
++) {
5103 if (mask
& (1 << i
))
5108 SetProcessAffinityMask(h
, mask
);
5114 module_call_init(MODULE_INIT_MACHINE
);
5115 machine
= find_default_machine();
5117 initrd_filename
= NULL
;
5120 kernel_filename
= NULL
;
5121 kernel_cmdline
= "";
5122 cyls
= heads
= secs
= 0;
5123 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5124 monitor_device
= "vc:80Cx24C";
5126 serial_devices
[0] = "vc:80Cx24C";
5127 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
5128 serial_devices
[i
] = NULL
;
5129 serial_device_index
= 0;
5131 parallel_devices
[0] = "vc:80Cx24C";
5132 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
5133 parallel_devices
[i
] = NULL
;
5134 parallel_device_index
= 0;
5136 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++)
5137 virtio_consoles
[i
] = NULL
;
5138 virtio_console_index
= 0;
5140 for (i
= 0; i
< MAX_NODES
; i
++) {
5142 node_cpumask
[i
] = 0;
5145 usb_devices_index
= 0;
5146 assigned_devices_index
= 0;
5160 register_watchdogs();
5168 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
5170 const QEMUOption
*popt
;
5173 /* Treat --foo the same as -foo. */
5176 popt
= qemu_options
;
5179 fprintf(stderr
, "%s: invalid option -- '%s'\n",
5183 if (!strcmp(popt
->name
, r
+ 1))
5187 if (popt
->flags
& HAS_ARG
) {
5188 if (optind
>= argc
) {
5189 fprintf(stderr
, "%s: option '%s' requires an argument\n",
5193 optarg
= argv
[optind
++];
5198 switch(popt
->index
) {
5200 machine
= find_machine(optarg
);
5203 printf("Supported machines are:\n");
5204 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
5205 printf("%-10s %s%s\n",
5207 m
->is_default
? " (default)" : "");
5209 exit(*optarg
!= '?');
5212 case QEMU_OPTION_cpu
:
5213 /* hw initialization will check this */
5214 if (*optarg
== '?') {
5215 /* XXX: implement xxx_cpu_list for targets that still miss it */
5216 #if defined(cpu_list)
5217 cpu_list(stdout
, &fprintf
);
5224 case QEMU_OPTION_initrd
:
5225 initrd_filename
= optarg
;
5227 case QEMU_OPTION_hda
:
5229 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
5231 hda_index
= drive_add(optarg
, HD_ALIAS
5232 ",cyls=%d,heads=%d,secs=%d%s",
5233 0, cyls
, heads
, secs
,
5234 translation
== BIOS_ATA_TRANSLATION_LBA
?
5236 translation
== BIOS_ATA_TRANSLATION_NONE
?
5237 ",trans=none" : "");
5239 case QEMU_OPTION_hdb
:
5240 case QEMU_OPTION_hdc
:
5241 case QEMU_OPTION_hdd
:
5242 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
5244 case QEMU_OPTION_drive
:
5245 drive_add(NULL
, "%s", optarg
);
5247 case QEMU_OPTION_mtdblock
:
5248 drive_add(optarg
, MTD_ALIAS
);
5250 case QEMU_OPTION_sd
:
5251 drive_add(optarg
, SD_ALIAS
);
5253 case QEMU_OPTION_pflash
:
5254 drive_add(optarg
, PFLASH_ALIAS
);
5256 case QEMU_OPTION_snapshot
:
5259 case QEMU_OPTION_hdachs
:
5263 cyls
= strtol(p
, (char **)&p
, 0);
5264 if (cyls
< 1 || cyls
> 16383)
5269 heads
= strtol(p
, (char **)&p
, 0);
5270 if (heads
< 1 || heads
> 16)
5275 secs
= strtol(p
, (char **)&p
, 0);
5276 if (secs
< 1 || secs
> 63)
5280 if (!strcmp(p
, "none"))
5281 translation
= BIOS_ATA_TRANSLATION_NONE
;
5282 else if (!strcmp(p
, "lba"))
5283 translation
= BIOS_ATA_TRANSLATION_LBA
;
5284 else if (!strcmp(p
, "auto"))
5285 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5288 } else if (*p
!= '\0') {
5290 fprintf(stderr
, "qemu: invalid physical CHS format\n");
5293 if (hda_index
!= -1)
5294 snprintf(drives_opt
[hda_index
].opt
,
5295 sizeof(drives_opt
[hda_index
].opt
),
5296 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
5297 0, cyls
, heads
, secs
,
5298 translation
== BIOS_ATA_TRANSLATION_LBA
?
5300 translation
== BIOS_ATA_TRANSLATION_NONE
?
5301 ",trans=none" : "");
5304 case QEMU_OPTION_numa
:
5305 if (nb_numa_nodes
>= MAX_NODES
) {
5306 fprintf(stderr
, "qemu: too many NUMA nodes\n");
5311 case QEMU_OPTION_nographic
:
5312 display_type
= DT_NOGRAPHIC
;
5314 #ifdef CONFIG_CURSES
5315 case QEMU_OPTION_curses
:
5316 display_type
= DT_CURSES
;
5319 case QEMU_OPTION_portrait
:
5322 case QEMU_OPTION_kernel
:
5323 kernel_filename
= optarg
;
5325 case QEMU_OPTION_append
:
5326 kernel_cmdline
= optarg
;
5328 case QEMU_OPTION_cdrom
:
5329 drive_add(optarg
, CDROM_ALIAS
);
5331 case QEMU_OPTION_boot
:
5332 boot_devices
= optarg
;
5333 /* We just do some generic consistency checks */
5335 /* Could easily be extended to 64 devices if needed */
5338 boot_devices_bitmap
= 0;
5339 for (p
= boot_devices
; *p
!= '\0'; p
++) {
5340 /* Allowed boot devices are:
5341 * a b : floppy disk drives
5342 * c ... f : IDE disk drives
5343 * g ... m : machine implementation dependant drives
5344 * n ... p : network devices
5345 * It's up to each machine implementation to check
5346 * if the given boot devices match the actual hardware
5347 * implementation and firmware features.
5349 if (*p
< 'a' || *p
> 'q') {
5350 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
5353 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
5355 "Boot device '%c' was given twice\n",*p
);
5358 boot_devices_bitmap
|= 1 << (*p
- 'a');
5362 case QEMU_OPTION_fda
:
5363 case QEMU_OPTION_fdb
:
5364 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
5367 case QEMU_OPTION_no_fd_bootchk
:
5371 case QEMU_OPTION_net
:
5372 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
5373 fprintf(stderr
, "qemu: too many network clients\n");
5376 net_clients
[nb_net_clients
] = optarg
;
5380 case QEMU_OPTION_tftp
:
5381 tftp_prefix
= optarg
;
5383 case QEMU_OPTION_bootp
:
5384 bootp_filename
= optarg
;
5387 case QEMU_OPTION_smb
:
5388 net_slirp_smb(optarg
);
5391 case QEMU_OPTION_redir
:
5392 net_slirp_redir(NULL
, optarg
, NULL
);
5395 case QEMU_OPTION_bt
:
5396 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
5397 fprintf(stderr
, "qemu: too many bluetooth options\n");
5400 bt_opts
[nb_bt_opts
++] = optarg
;
5403 case QEMU_OPTION_audio_help
:
5407 case QEMU_OPTION_soundhw
:
5408 select_soundhw (optarg
);
5414 case QEMU_OPTION_version
:
5418 case QEMU_OPTION_m
: {
5422 value
= strtoul(optarg
, &ptr
, 10);
5424 case 0: case 'M': case 'm':
5431 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
5435 /* On 32-bit hosts, QEMU is limited by virtual address space */
5436 if (value
> (2047 << 20)
5437 #ifndef CONFIG_KQEMU
5438 && HOST_LONG_BITS
== 32
5441 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
5444 if (value
!= (uint64_t)(ram_addr_t
)value
) {
5445 fprintf(stderr
, "qemu: ram size too large\n");
5454 const CPULogItem
*item
;
5456 mask
= cpu_str_to_log_mask(optarg
);
5458 printf("Log items (comma separated):\n");
5459 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5460 printf("%-10s %s\n", item
->name
, item
->help
);
5468 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
5470 case QEMU_OPTION_gdb
:
5471 gdbstub_dev
= optarg
;
5476 case QEMU_OPTION_bios
:
5479 case QEMU_OPTION_singlestep
:
5487 keyboard_layout
= optarg
;
5490 case QEMU_OPTION_localtime
:
5493 case QEMU_OPTION_vga
:
5494 select_vgahw (optarg
);
5496 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5502 w
= strtol(p
, (char **)&p
, 10);
5505 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5511 h
= strtol(p
, (char **)&p
, 10);
5516 depth
= strtol(p
, (char **)&p
, 10);
5517 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5518 depth
!= 24 && depth
!= 32)
5520 } else if (*p
== '\0') {
5521 depth
= graphic_depth
;
5528 graphic_depth
= depth
;
5532 case QEMU_OPTION_echr
:
5535 term_escape_char
= strtol(optarg
, &r
, 0);
5537 printf("Bad argument to echr\n");
5540 case QEMU_OPTION_monitor
:
5541 monitor_device
= optarg
;
5543 case QEMU_OPTION_serial
:
5544 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5545 fprintf(stderr
, "qemu: too many serial ports\n");
5548 serial_devices
[serial_device_index
] = optarg
;
5549 serial_device_index
++;
5551 case QEMU_OPTION_watchdog
:
5552 i
= select_watchdog(optarg
);
5554 exit (i
== 1 ? 1 : 0);
5556 case QEMU_OPTION_watchdog_action
:
5557 if (select_watchdog_action(optarg
) == -1) {
5558 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
5562 case QEMU_OPTION_virtiocon
:
5563 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
5564 fprintf(stderr
, "qemu: too many virtio consoles\n");
5567 virtio_consoles
[virtio_console_index
] = optarg
;
5568 virtio_console_index
++;
5570 case QEMU_OPTION_parallel
:
5571 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5572 fprintf(stderr
, "qemu: too many parallel ports\n");
5575 parallel_devices
[parallel_device_index
] = optarg
;
5576 parallel_device_index
++;
5578 case QEMU_OPTION_loadvm
:
5581 case QEMU_OPTION_full_screen
:
5585 case QEMU_OPTION_no_frame
:
5588 case QEMU_OPTION_alt_grab
:
5591 case QEMU_OPTION_no_quit
:
5594 case QEMU_OPTION_sdl
:
5595 display_type
= DT_SDL
;
5598 case QEMU_OPTION_pidfile
:
5602 case QEMU_OPTION_win2k_hack
:
5603 win2k_install_hack
= 1;
5605 case QEMU_OPTION_rtc_td_hack
:
5608 case QEMU_OPTION_acpitable
:
5609 if(acpi_table_add(optarg
) < 0) {
5610 fprintf(stderr
, "Wrong acpi table provided\n");
5614 case QEMU_OPTION_smbios
:
5615 if(smbios_entry_add(optarg
) < 0) {
5616 fprintf(stderr
, "Wrong smbios provided\n");
5622 case QEMU_OPTION_no_kqemu
:
5625 case QEMU_OPTION_kernel_kqemu
:
5630 case QEMU_OPTION_enable_kvm
:
5638 case QEMU_OPTION_no_kvm
:
5641 case QEMU_OPTION_no_kvm_irqchip
: {
5646 case QEMU_OPTION_no_kvm_pit
: {
5650 case QEMU_OPTION_no_kvm_pit_reinjection
: {
5651 kvm_pit_reinject
= 0;
5654 case QEMU_OPTION_enable_nesting
: {
5658 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_IA64) || defined(__linux__)
5659 case QEMU_OPTION_pcidevice
:
5660 if (assigned_devices_index
>= MAX_DEV_ASSIGN_CMDLINE
) {
5661 fprintf(stderr
, "Too many assigned devices\n");
5664 assigned_devices
[assigned_devices_index
] = optarg
;
5665 assigned_devices_index
++;
5669 case QEMU_OPTION_usb
:
5672 case QEMU_OPTION_usbdevice
:
5674 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5675 fprintf(stderr
, "Too many USB devices\n");
5678 usb_devices
[usb_devices_index
] = optarg
;
5679 usb_devices_index
++;
5681 case QEMU_OPTION_smp
:
5682 smp_cpus
= atoi(optarg
);
5684 fprintf(stderr
, "Invalid number of CPUs\n");
5688 case QEMU_OPTION_vnc
:
5689 display_type
= DT_VNC
;
5690 vnc_display
= optarg
;
5693 case QEMU_OPTION_no_acpi
:
5696 case QEMU_OPTION_no_hpet
:
5699 case QEMU_OPTION_no_virtio_balloon
:
5700 no_virtio_balloon
= 1;
5703 case QEMU_OPTION_no_reboot
:
5706 case QEMU_OPTION_no_shutdown
:
5709 case QEMU_OPTION_show_cursor
:
5712 case QEMU_OPTION_uuid
:
5713 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5714 fprintf(stderr
, "Fail to parse UUID string."
5715 " Wrong format.\n");
5720 case QEMU_OPTION_daemonize
:
5724 case QEMU_OPTION_option_rom
:
5725 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5726 fprintf(stderr
, "Too many option ROMs\n");
5729 option_rom
[nb_option_roms
] = optarg
;
5732 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5733 case QEMU_OPTION_semihosting
:
5734 semihosting_enabled
= 1;
5737 case QEMU_OPTION_tdf
:
5740 case QEMU_OPTION_kvm_shadow_memory
:
5741 kvm_shadow_memory
= (int64_t)atoi(optarg
) * 1024 * 1024 / 4096;
5743 case QEMU_OPTION_mempath
:
5747 case QEMU_OPTION_mem_prealloc
:
5748 mem_prealloc
= !mem_prealloc
;
5751 case QEMU_OPTION_name
:
5754 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5755 case QEMU_OPTION_prom_env
:
5756 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5757 fprintf(stderr
, "Too many prom variables\n");
5760 prom_envs
[nb_prom_envs
] = optarg
;
5765 case QEMU_OPTION_old_param
:
5769 case QEMU_OPTION_clock
:
5770 configure_alarms(optarg
);
5772 case QEMU_OPTION_startdate
:
5775 time_t rtc_start_date
;
5776 if (!strcmp(optarg
, "now")) {
5777 rtc_date_offset
= -1;
5779 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5787 } else if (sscanf(optarg
, "%d-%d-%d",
5790 &tm
.tm_mday
) == 3) {
5799 rtc_start_date
= mktimegm(&tm
);
5800 if (rtc_start_date
== -1) {
5802 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5803 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5806 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5810 case QEMU_OPTION_tb_size
:
5811 tb_size
= strtol(optarg
, NULL
, 0);
5815 case QEMU_OPTION_icount
:
5817 if (strcmp(optarg
, "auto") == 0) {
5818 icount_time_shift
= -1;
5820 icount_time_shift
= strtol(optarg
, NULL
, 0);
5823 case QEMU_OPTION_incoming
:
5827 case QEMU_OPTION_chroot
:
5828 chroot_dir
= optarg
;
5830 case QEMU_OPTION_runas
:
5833 case QEMU_OPTION_nvram
:
5838 case QEMU_OPTION_xen_domid
:
5839 xen_domid
= atoi(optarg
);
5841 case QEMU_OPTION_xen_create
:
5842 xen_mode
= XEN_CREATE
;
5844 case QEMU_OPTION_xen_attach
:
5845 xen_mode
= XEN_ATTACH
;
5852 /* If no data_dir is specified then try to find it relative to the
5855 data_dir
= find_datadir(argv
[0]);
5857 /* If all else fails use the install patch specified when building. */
5859 data_dir
= CONFIG_QEMU_SHAREDIR
;
5862 #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
5863 if (kvm_allowed
&& kqemu_allowed
) {
5865 "You can not enable both KVM and kqemu at the same time\n");
5870 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5871 if (smp_cpus
> machine
->max_cpus
) {
5872 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5873 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5878 if (display_type
== DT_NOGRAPHIC
) {
5879 if (serial_device_index
== 0)
5880 serial_devices
[0] = "stdio";
5881 if (parallel_device_index
== 0)
5882 parallel_devices
[0] = "null";
5883 if (strncmp(monitor_device
, "vc", 2) == 0)
5884 monitor_device
= "stdio";
5891 if (pipe(fds
) == -1)
5902 len
= read(fds
[0], &status
, 1);
5903 if (len
== -1 && (errno
== EINTR
))
5908 else if (status
== 1) {
5909 fprintf(stderr
, "Could not acquire pidfile\n");
5926 signal(SIGTSTP
, SIG_IGN
);
5927 signal(SIGTTOU
, SIG_IGN
);
5928 signal(SIGTTIN
, SIG_IGN
);
5932 if (kvm_enabled()) {
5933 if (kvm_qemu_init() < 0) {
5934 fprintf(stderr
, "Could not initialize KVM, will disable KVM support\n");
5935 #ifdef NO_CPU_EMULATION
5936 fprintf(stderr
, "Compiled with --disable-cpu-emulation, exiting.\n");
5944 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5947 write(fds
[1], &status
, 1);
5949 fprintf(stderr
, "Could not acquire pid file\n");
5958 if (qemu_init_main_loop()) {
5959 fprintf(stderr
, "qemu_init_main_loop failed\n");
5962 linux_boot
= (kernel_filename
!= NULL
);
5964 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5965 fprintf(stderr
, "-append only allowed with -kernel option\n");
5969 if (!linux_boot
&& initrd_filename
!= NULL
) {
5970 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5974 /* boot to floppy or the default cd if no hard disk defined yet */
5975 if (!boot_devices
[0]) {
5976 boot_devices
= "cad";
5978 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5981 if (init_timer_alarm() < 0) {
5982 fprintf(stderr
, "could not initialize alarm timer\n");
5985 if (use_icount
&& icount_time_shift
< 0) {
5987 /* 125MIPS seems a reasonable initial guess at the guest speed.
5988 It will be corrected fairly quickly anyway. */
5989 icount_time_shift
= 3;
5990 init_icount_adjust();
5997 /* init network clients */
5998 if (nb_net_clients
== 0) {
5999 /* if no clients, we use a default config */
6000 net_clients
[nb_net_clients
++] = "nic";
6002 net_clients
[nb_net_clients
++] = "user";
6006 for(i
= 0;i
< nb_net_clients
; i
++) {
6007 if (net_client_parse(net_clients
[i
]) < 0)
6011 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
6012 net_set_boot_mask(net_boot
);
6016 /* init the bluetooth world */
6017 for (i
= 0; i
< nb_bt_opts
; i
++)
6018 if (bt_parse(bt_opts
[i
]))
6021 /* init the memory */
6023 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
6025 if (kvm_enabled()) {
6026 if (kvm_qemu_create_context() < 0) {
6027 fprintf(stderr
, "Could not create KVM context\n");
6033 /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
6034 guest ram allocation. It needs to go away. */
6035 if (kqemu_allowed
) {
6036 kqemu_phys_ram_size
= ram_size
+ 8 * 1024 * 1024 + 4 * 1024 * 1024;
6037 kqemu_phys_ram_base
= qemu_vmalloc(kqemu_phys_ram_size
);
6038 if (!kqemu_phys_ram_base
) {
6039 fprintf(stderr
, "Could not allocate physical memory\n");
6045 /* init the dynamic translator */
6046 cpu_exec_init_all(tb_size
* 1024 * 1024);
6050 /* we always create the cdrom drive, even if no disk is there */
6052 if (nb_drives_opt
< MAX_DRIVES
)
6053 drive_add(NULL
, CDROM_ALIAS
);
6055 /* we always create at least one floppy */
6057 if (nb_drives_opt
< MAX_DRIVES
)
6058 drive_add(NULL
, FD_ALIAS
, 0);
6060 /* we always create one sd slot, even if no card is in it */
6062 if (nb_drives_opt
< MAX_DRIVES
)
6063 drive_add(NULL
, SD_ALIAS
);
6065 /* open the virtual block devices
6066 * note that migration with device
6067 * hot add/remove is broken.
6069 for(i
= 0; i
< nb_drives_opt
; i
++)
6070 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
6073 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
6074 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
6077 /* must be after terminal init, SDL library changes signal handlers */
6081 /* Maintain compatibility with multiple stdio monitors */
6082 if (!strcmp(monitor_device
,"stdio")) {
6083 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6084 const char *devname
= serial_devices
[i
];
6085 if (devname
&& !strcmp(devname
,"mon:stdio")) {
6086 monitor_device
= NULL
;
6088 } else if (devname
&& !strcmp(devname
,"stdio")) {
6089 monitor_device
= NULL
;
6090 serial_devices
[i
] = "mon:stdio";
6096 if (nb_numa_nodes
> 0) {
6099 if (nb_numa_nodes
> smp_cpus
) {
6100 nb_numa_nodes
= smp_cpus
;
6103 /* If no memory size if given for any node, assume the default case
6104 * and distribute the available memory equally across all nodes
6106 for (i
= 0; i
< nb_numa_nodes
; i
++) {
6107 if (node_mem
[i
] != 0)
6110 if (i
== nb_numa_nodes
) {
6111 uint64_t usedmem
= 0;
6113 /* On Linux, the each node's border has to be 8MB aligned,
6114 * the final node gets the rest.
6116 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
6117 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
6118 usedmem
+= node_mem
[i
];
6120 node_mem
[i
] = ram_size
- usedmem
;
6123 for (i
= 0; i
< nb_numa_nodes
; i
++) {
6124 if (node_cpumask
[i
] != 0)
6127 /* assigning the VCPUs round-robin is easier to implement, guest OSes
6128 * must cope with this anyway, because there are BIOSes out there in
6129 * real machines which also use this scheme.
6131 if (i
== nb_numa_nodes
) {
6132 for (i
= 0; i
< smp_cpus
; i
++) {
6133 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
6139 if (kvm_enabled()) {
6142 ret
= kvm_init(smp_cpus
);
6144 fprintf(stderr
, "failed to initialize KVM\n");
6150 if (monitor_device
) {
6151 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
6153 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
6158 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6159 const char *devname
= serial_devices
[i
];
6160 if (devname
&& strcmp(devname
, "none")) {
6162 snprintf(label
, sizeof(label
), "serial%d", i
);
6163 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
6164 if (!serial_hds
[i
]) {
6165 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
6172 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6173 const char *devname
= parallel_devices
[i
];
6174 if (devname
&& strcmp(devname
, "none")) {
6176 snprintf(label
, sizeof(label
), "parallel%d", i
);
6177 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
6178 if (!parallel_hds
[i
]) {
6179 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
6186 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
6187 const char *devname
= virtio_consoles
[i
];
6188 if (devname
&& strcmp(devname
, "none")) {
6190 snprintf(label
, sizeof(label
), "virtcon%d", i
);
6191 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
6192 if (!virtcon_hds
[i
]) {
6193 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
6200 module_call_init(MODULE_INIT_DEVICE
);
6205 machine
->init(ram_size
, boot_devices
,
6206 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
6209 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
6210 for (i
= 0; i
< nb_numa_nodes
; i
++) {
6211 if (node_cpumask
[i
] & (1 << env
->cpu_index
)) {
6217 current_machine
= machine
;
6219 /* Set KVM's vcpu state to qemu's initial CPUState. */
6220 if (kvm_enabled()) {
6223 ret
= kvm_sync_vcpus();
6225 fprintf(stderr
, "failed to initialize vcpus\n");
6230 /* init USB devices */
6232 for(i
= 0; i
< usb_devices_index
; i
++) {
6233 if (usb_device_add(usb_devices
[i
], 0) < 0) {
6234 fprintf(stderr
, "Warning: could not add USB device %s\n",
6241 dumb_display_init();
6242 /* just use the first displaystate for the moment */
6245 if (display_type
== DT_DEFAULT
) {
6246 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
6247 display_type
= DT_SDL
;
6249 display_type
= DT_VNC
;
6250 vnc_display
= "localhost:0,to=99";
6256 switch (display_type
) {
6259 #if defined(CONFIG_CURSES)
6261 curses_display_init(ds
, full_screen
);
6264 #if defined(CONFIG_SDL)
6266 sdl_display_init(ds
, full_screen
, no_frame
);
6268 #elif defined(CONFIG_COCOA)
6270 cocoa_display_init(ds
, full_screen
);
6274 vnc_display_init(ds
);
6275 if (vnc_display_open(ds
, vnc_display
) < 0)
6278 if (show_vnc_port
) {
6279 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
6287 dcl
= ds
->listeners
;
6288 while (dcl
!= NULL
) {
6289 if (dcl
->dpy_refresh
!= NULL
) {
6290 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
6291 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
6296 if (display_type
== DT_NOGRAPHIC
|| display_type
== DT_VNC
) {
6297 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
6298 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
6301 text_consoles_set_display(display_state
);
6302 qemu_chr_initial_reset();
6304 if (monitor_device
&& monitor_hd
)
6305 monitor_init(monitor_hd
, MONITOR_USE_READLINE
| MONITOR_IS_DEFAULT
);
6307 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6308 const char *devname
= serial_devices
[i
];
6309 if (devname
&& strcmp(devname
, "none")) {
6310 if (strstart(devname
, "vc", 0))
6311 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
6315 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6316 const char *devname
= parallel_devices
[i
];
6317 if (devname
&& strcmp(devname
, "none")) {
6318 if (strstart(devname
, "vc", 0))
6319 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
6323 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
6324 const char *devname
= virtio_consoles
[i
];
6325 if (virtcon_hds
[i
] && devname
) {
6326 if (strstart(devname
, "vc", 0))
6327 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
6331 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
6332 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
6338 do_loadvm(cur_mon
, loadvm
);
6341 autostart
= 0; /* fixme how to deal with -daemonize */
6342 qemu_start_incoming_migration(incoming
);
6354 len
= write(fds
[1], &status
, 1);
6355 if (len
== -1 && (errno
== EINTR
))
6362 TFR(fd
= open("/dev/null", O_RDWR
));
6368 pwd
= getpwnam(run_as
);
6370 fprintf(stderr
, "User \"%s\" doesn't exist\n", run_as
);
6376 if (chroot(chroot_dir
) < 0) {
6377 fprintf(stderr
, "chroot failed\n");
6384 if (setgid(pwd
->pw_gid
) < 0) {
6385 fprintf(stderr
, "Failed to setgid(%d)\n", pwd
->pw_gid
);
6388 if (setuid(pwd
->pw_uid
) < 0) {
6389 fprintf(stderr
, "Failed to setuid(%d)\n", pwd
->pw_uid
);
6392 if (setuid(0) != -1) {
6393 fprintf(stderr
, "Dropping privileges failed\n");