4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 #include "hw/boards.h"
27 #include "hw/pcmcia.h"
29 #include "hw/audiodev.h"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
39 #include "cache-utils.h"
41 #include "audio/audio.h"
42 #include "hw/device-assignment.h"
43 #include "migration.h"
58 #include <sys/times.h>
62 #include <sys/ioctl.h>
63 #include <sys/resource.h>
64 #include <sys/socket.h>
65 #include <netinet/in.h>
67 #if defined(__NetBSD__)
68 #include <net/if_tap.h>
71 #include <linux/if_tun.h>
73 #include <arpa/inet.h>
76 #include <sys/select.h>
84 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
85 #include <freebsd/stdlib.h>
90 #include <linux/rtc.h>
92 /* For the benefit of older linux systems which don't supply it,
93 we use a local copy of hpet.h. */
94 /* #include <linux/hpet.h> */
97 #include <linux/ppdev.h>
98 #include <linux/parport.h>
101 #include <sys/stat.h>
102 #include <sys/ethernet.h>
103 #include <sys/sockio.h>
104 #include <netinet/arp.h>
105 #include <netinet/in.h>
106 #include <netinet/in_systm.h>
107 #include <netinet/ip.h>
108 #include <netinet/ip_icmp.h> // must come after ip.h
109 #include <netinet/udp.h>
110 #include <netinet/tcp.h>
118 #include "qemu_socket.h"
120 #if defined(CONFIG_SLIRP)
121 #include "libslirp.h"
124 #if defined(__OpenBSD__)
128 #if defined(CONFIG_VDE)
129 #include <libvdeplug.h>
134 #include <sys/timeb.h>
135 #include <mmsystem.h>
136 #define getopt_long_only getopt_long
137 #define memalign(align, size) malloc(size)
143 int qemu_main(int argc
, char **argv
, char **envp
);
144 int main(int argc
, char **argv
)
146 qemu_main(argc
, argv
, NULL
);
149 #define main qemu_main
151 #endif /* CONFIG_SDL */
155 #define main qemu_main
156 #endif /* CONFIG_COCOA */
160 #include "exec-all.h"
162 #include "qemu-kvm.h"
164 //#define DEBUG_UNUSED_IOPORT
165 //#define DEBUG_IOPORT
167 //#define DEBUG_SLIRP
171 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
173 # define LOG_IOPORT(...) do { } while (0)
176 #define DEFAULT_RAM_SIZE 128
178 /* Max number of USB devices that can be specified on the commandline. */
179 #define MAX_USB_CMDLINE 8
181 /* Max number of bluetooth switches on the commandline. */
182 #define MAX_BT_CMDLINE 10
184 /* XXX: use a two level table to limit memory usage */
185 #define MAX_IOPORTS 65536
187 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
188 const char *bios_name
= NULL
;
189 static void *ioport_opaque
[MAX_IOPORTS
];
190 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
191 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
192 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
193 to store the VM snapshots */
194 DriveInfo drives_table
[MAX_DRIVES
+1];
196 int extboot_drive
= -1;
197 static int vga_ram_size
;
198 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
199 static DisplayState
*display_state
;
203 const char* keyboard_layout
= NULL
;
204 int64_t ticks_per_sec
;
207 NICInfo nd_table
[MAX_NICS
];
209 static int autostart
;
210 static int rtc_utc
= 1;
211 static int rtc_date_offset
= -1; /* -1 means no change */
212 int cirrus_vga_enabled
= 1;
213 int std_vga_enabled
= 0;
214 int vmsvga_enabled
= 0;
216 int graphic_width
= 1024;
217 int graphic_height
= 768;
218 int graphic_depth
= 8;
220 int graphic_width
= 800;
221 int graphic_height
= 600;
222 int graphic_depth
= 15;
224 static int full_screen
= 0;
226 static int no_frame
= 0;
229 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
230 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
231 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
233 int win2k_install_hack
= 0;
237 const char *assigned_devices
[MAX_DEV_ASSIGN_CMDLINE
];
238 int assigned_devices_index
;
240 const char *vnc_display
;
241 int acpi_enabled
= 1;
247 int graphic_rotate
= 0;
249 const char *incoming
;
250 const char *option_rom
[MAX_OPTION_ROMS
];
252 int semihosting_enabled
= 0;
253 int time_drift_fix
= 0;
254 unsigned int kvm_shadow_memory
= 0;
255 const char *mem_path
= NULL
;
257 int mem_prealloc
= 1; /* force preallocation of physical target memory */
260 const char *cpu_vendor_string
;
264 const char *qemu_name
;
266 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
267 unsigned int nb_prom_envs
= 0;
268 const char *prom_envs
[MAX_PROM_ENVS
];
271 const char *nvram
= NULL
;
272 struct drive_opt drives_opt
[MAX_DRIVES
];
274 static CPUState
*cur_cpu
;
275 static CPUState
*next_cpu
;
276 static int event_pending
= 1;
277 /* Conversion factor from emulated instructions to virtual clock ticks. */
278 static int icount_time_shift
;
279 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
280 #define MAX_ICOUNT_SHIFT 10
281 /* Compensate for varying guest execution speed. */
282 static int64_t qemu_icount_bias
;
283 static QEMUTimer
*icount_rt_timer
;
284 static QEMUTimer
*icount_vm_timer
;
285 static QEMUTimer
*nographic_timer
;
287 uint8_t qemu_uuid
[16];
289 /* KVM runs the main loop in a separate thread. If we update one of the lists
290 * that are polled before or after select(), we need to make sure to break out
291 * of the select() to ensure the new item is serviced.
293 static void main_loop_break(void)
296 qemu_kvm_notify_work();
299 /***********************************************************/
300 /* x86 ISA bus support */
302 target_phys_addr_t isa_mem_base
= 0;
305 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
306 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
308 static uint32_t ioport_read(int index
, uint32_t address
)
310 static IOPortReadFunc
*default_func
[3] = {
311 default_ioport_readb
,
312 default_ioport_readw
,
315 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
317 func
= default_func
[index
];
318 return func(ioport_opaque
[address
], address
);
321 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
323 static IOPortWriteFunc
*default_func
[3] = {
324 default_ioport_writeb
,
325 default_ioport_writew
,
326 default_ioport_writel
328 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
330 func
= default_func
[index
];
331 func(ioport_opaque
[address
], address
, data
);
334 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
336 #ifdef DEBUG_UNUSED_IOPORT
337 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
342 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
344 #ifdef DEBUG_UNUSED_IOPORT
345 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
349 /* default is to make two byte accesses */
350 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
353 data
= ioport_read(0, address
);
354 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
355 data
|= ioport_read(0, address
) << 8;
359 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
361 ioport_write(0, address
, data
& 0xff);
362 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
363 ioport_write(0, address
, (data
>> 8) & 0xff);
366 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
368 #ifdef DEBUG_UNUSED_IOPORT
369 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
374 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
376 #ifdef DEBUG_UNUSED_IOPORT
377 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
381 /* size is the word size in byte */
382 int register_ioport_read(int start
, int length
, int size
,
383 IOPortReadFunc
*func
, void *opaque
)
389 } else if (size
== 2) {
391 } else if (size
== 4) {
394 hw_error("register_ioport_read: invalid size");
397 for(i
= start
; i
< start
+ length
; i
+= size
) {
398 ioport_read_table
[bsize
][i
] = func
;
399 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
400 hw_error("register_ioport_read: invalid opaque");
401 ioport_opaque
[i
] = opaque
;
406 /* size is the word size in byte */
407 int register_ioport_write(int start
, int length
, int size
,
408 IOPortWriteFunc
*func
, void *opaque
)
414 } else if (size
== 2) {
416 } else if (size
== 4) {
419 hw_error("register_ioport_write: invalid size");
422 for(i
= start
; i
< start
+ length
; i
+= size
) {
423 ioport_write_table
[bsize
][i
] = func
;
424 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
425 hw_error("register_ioport_write: invalid opaque");
426 ioport_opaque
[i
] = opaque
;
431 void isa_unassign_ioport(int start
, int length
)
435 for(i
= start
; i
< start
+ length
; i
++) {
436 ioport_read_table
[0][i
] = default_ioport_readb
;
437 ioport_read_table
[1][i
] = default_ioport_readw
;
438 ioport_read_table
[2][i
] = default_ioport_readl
;
440 ioport_write_table
[0][i
] = default_ioport_writeb
;
441 ioport_write_table
[1][i
] = default_ioport_writew
;
442 ioport_write_table
[2][i
] = default_ioport_writel
;
444 ioport_opaque
[i
] = NULL
;
448 /***********************************************************/
450 void cpu_outb(CPUState
*env
, int addr
, int val
)
452 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
453 ioport_write(0, addr
, val
);
456 env
->last_io_time
= cpu_get_time_fast();
460 void cpu_outw(CPUState
*env
, int addr
, int val
)
462 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
463 ioport_write(1, addr
, val
);
466 env
->last_io_time
= cpu_get_time_fast();
470 void cpu_outl(CPUState
*env
, int addr
, int val
)
472 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
473 ioport_write(2, addr
, val
);
476 env
->last_io_time
= cpu_get_time_fast();
480 int cpu_inb(CPUState
*env
, int addr
)
483 val
= ioport_read(0, addr
);
484 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
487 env
->last_io_time
= cpu_get_time_fast();
492 int cpu_inw(CPUState
*env
, int addr
)
495 val
= ioport_read(1, addr
);
496 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
499 env
->last_io_time
= cpu_get_time_fast();
504 int cpu_inl(CPUState
*env
, int addr
)
507 val
= ioport_read(2, addr
);
508 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
511 env
->last_io_time
= cpu_get_time_fast();
516 /***********************************************************/
517 void hw_error(const char *fmt
, ...)
523 fprintf(stderr
, "qemu: hardware error: ");
524 vfprintf(stderr
, fmt
, ap
);
525 fprintf(stderr
, "\n");
526 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
527 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
529 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
531 cpu_dump_state(env
, stderr
, fprintf
, 0);
541 static QEMUBalloonEvent
*qemu_balloon_event
;
542 void *qemu_balloon_event_opaque
;
544 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
546 qemu_balloon_event
= func
;
547 qemu_balloon_event_opaque
= opaque
;
550 void qemu_balloon(ram_addr_t target
)
552 if (qemu_balloon_event
)
553 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
556 ram_addr_t
qemu_balloon_status(void)
558 if (qemu_balloon_event
)
559 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
563 /***********************************************************/
566 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
567 static void *qemu_put_kbd_event_opaque
;
568 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
569 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
571 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
573 qemu_put_kbd_event_opaque
= opaque
;
574 qemu_put_kbd_event
= func
;
577 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
578 void *opaque
, int absolute
,
581 QEMUPutMouseEntry
*s
, *cursor
;
583 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
585 s
->qemu_put_mouse_event
= func
;
586 s
->qemu_put_mouse_event_opaque
= opaque
;
587 s
->qemu_put_mouse_event_absolute
= absolute
;
588 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
591 if (!qemu_put_mouse_event_head
) {
592 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
596 cursor
= qemu_put_mouse_event_head
;
597 while (cursor
->next
!= NULL
)
598 cursor
= cursor
->next
;
601 qemu_put_mouse_event_current
= s
;
606 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
608 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
610 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
613 cursor
= qemu_put_mouse_event_head
;
614 while (cursor
!= NULL
&& cursor
!= entry
) {
616 cursor
= cursor
->next
;
619 if (cursor
== NULL
) // does not exist or list empty
621 else if (prev
== NULL
) { // entry is head
622 qemu_put_mouse_event_head
= cursor
->next
;
623 if (qemu_put_mouse_event_current
== entry
)
624 qemu_put_mouse_event_current
= cursor
->next
;
625 qemu_free(entry
->qemu_put_mouse_event_name
);
630 prev
->next
= entry
->next
;
632 if (qemu_put_mouse_event_current
== entry
)
633 qemu_put_mouse_event_current
= prev
;
635 qemu_free(entry
->qemu_put_mouse_event_name
);
639 void kbd_put_keycode(int keycode
)
641 if (qemu_put_kbd_event
) {
642 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
646 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
648 QEMUPutMouseEvent
*mouse_event
;
649 void *mouse_event_opaque
;
652 if (!qemu_put_mouse_event_current
) {
657 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
659 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
662 if (graphic_rotate
) {
663 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
666 width
= graphic_width
- 1;
667 mouse_event(mouse_event_opaque
,
668 width
- dy
, dx
, dz
, buttons_state
);
670 mouse_event(mouse_event_opaque
,
671 dx
, dy
, dz
, buttons_state
);
675 int kbd_mouse_is_absolute(void)
677 if (!qemu_put_mouse_event_current
)
680 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
683 void do_info_mice(void)
685 QEMUPutMouseEntry
*cursor
;
688 if (!qemu_put_mouse_event_head
) {
689 term_printf("No mouse devices connected\n");
693 term_printf("Mouse devices available:\n");
694 cursor
= qemu_put_mouse_event_head
;
695 while (cursor
!= NULL
) {
696 term_printf("%c Mouse #%d: %s\n",
697 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
698 index
, cursor
->qemu_put_mouse_event_name
);
700 cursor
= cursor
->next
;
704 void do_mouse_set(int index
)
706 QEMUPutMouseEntry
*cursor
;
709 if (!qemu_put_mouse_event_head
) {
710 term_printf("No mouse devices connected\n");
714 cursor
= qemu_put_mouse_event_head
;
715 while (cursor
!= NULL
&& index
!= i
) {
717 cursor
= cursor
->next
;
721 qemu_put_mouse_event_current
= cursor
;
723 term_printf("Mouse at given index not found\n");
726 /* compute with 96 bit intermediate result: (a*b)/c */
727 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
732 #ifdef WORDS_BIGENDIAN
742 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
743 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
746 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
750 /***********************************************************/
751 /* real time host monotonic timer */
753 #define QEMU_TIMER_BASE 1000000000LL
757 static int64_t clock_freq
;
759 static void init_get_clock(void)
763 ret
= QueryPerformanceFrequency(&freq
);
765 fprintf(stderr
, "Could not calibrate ticks\n");
768 clock_freq
= freq
.QuadPart
;
771 static int64_t get_clock(void)
774 QueryPerformanceCounter(&ti
);
775 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
780 static int use_rt_clock
;
782 static void init_get_clock(void)
785 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
788 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
795 static int64_t get_clock(void)
797 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
800 clock_gettime(CLOCK_MONOTONIC
, &ts
);
801 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
805 /* XXX: using gettimeofday leads to problems if the date
806 changes, so it should be avoided. */
808 gettimeofday(&tv
, NULL
);
809 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
814 /* Return the virtual CPU time, based on the instruction counter. */
815 static int64_t cpu_get_icount(void)
818 CPUState
*env
= cpu_single_env
;;
819 icount
= qemu_icount
;
822 fprintf(stderr
, "Bad clock read\n");
823 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
825 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
828 /***********************************************************/
829 /* guest cycle counter */
831 static int64_t cpu_ticks_prev
;
832 static int64_t cpu_ticks_offset
;
833 static int64_t cpu_clock_offset
;
834 static int cpu_ticks_enabled
;
836 /* return the host CPU cycle counter and handle stop/restart */
837 int64_t cpu_get_ticks(void)
840 return cpu_get_icount();
842 if (!cpu_ticks_enabled
) {
843 return cpu_ticks_offset
;
846 ticks
= cpu_get_real_ticks();
847 if (cpu_ticks_prev
> ticks
) {
848 /* Note: non increasing ticks may happen if the host uses
850 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
852 cpu_ticks_prev
= ticks
;
853 return ticks
+ cpu_ticks_offset
;
857 /* return the host CPU monotonic timer and handle stop/restart */
858 static int64_t cpu_get_clock(void)
861 if (!cpu_ticks_enabled
) {
862 return cpu_clock_offset
;
865 return ti
+ cpu_clock_offset
;
869 /* enable cpu_get_ticks() */
870 void cpu_enable_ticks(void)
872 if (!cpu_ticks_enabled
) {
873 cpu_ticks_offset
-= cpu_get_real_ticks();
874 cpu_clock_offset
-= get_clock();
875 cpu_ticks_enabled
= 1;
879 /* disable cpu_get_ticks() : the clock is stopped. You must not call
880 cpu_get_ticks() after that. */
881 void cpu_disable_ticks(void)
883 if (cpu_ticks_enabled
) {
884 cpu_ticks_offset
= cpu_get_ticks();
885 cpu_clock_offset
= cpu_get_clock();
886 cpu_ticks_enabled
= 0;
890 /***********************************************************/
893 #define QEMU_TIMER_REALTIME 0
894 #define QEMU_TIMER_VIRTUAL 1
898 /* XXX: add frequency */
906 struct QEMUTimer
*next
;
909 struct qemu_alarm_timer
{
913 int (*start
)(struct qemu_alarm_timer
*t
);
914 void (*stop
)(struct qemu_alarm_timer
*t
);
915 void (*rearm
)(struct qemu_alarm_timer
*t
);
919 #define ALARM_FLAG_DYNTICKS 0x1
920 #define ALARM_FLAG_EXPIRED 0x2
922 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
924 return t
->flags
& ALARM_FLAG_DYNTICKS
;
927 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
929 if (!alarm_has_dynticks(t
))
935 /* TODO: MIN_TIMER_REARM_US should be optimized */
936 #define MIN_TIMER_REARM_US 250
938 static struct qemu_alarm_timer
*alarm_timer
;
940 static int alarm_timer_rfd
, alarm_timer_wfd
;
945 struct qemu_alarm_win32
{
949 } alarm_win32_data
= {0, NULL
, -1};
951 static int win32_start_timer(struct qemu_alarm_timer
*t
);
952 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
953 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
957 static int unix_start_timer(struct qemu_alarm_timer
*t
);
958 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
962 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
963 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
964 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
966 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
967 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
969 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
970 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
972 #endif /* __linux__ */
976 /* Correlation between real and virtual time is always going to be
977 fairly approximate, so ignore small variation.
978 When the guest is idle real and virtual time will be aligned in
980 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
982 static void icount_adjust(void)
987 static int64_t last_delta
;
988 /* If the VM is not running, then do nothing. */
992 cur_time
= cpu_get_clock();
993 cur_icount
= qemu_get_clock(vm_clock
);
994 delta
= cur_icount
- cur_time
;
995 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
997 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
998 && icount_time_shift
> 0) {
999 /* The guest is getting too far ahead. Slow time down. */
1000 icount_time_shift
--;
1003 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
1004 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
1005 /* The guest is getting too far behind. Speed time up. */
1006 icount_time_shift
++;
1009 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
1012 static void icount_adjust_rt(void * opaque
)
1014 qemu_mod_timer(icount_rt_timer
,
1015 qemu_get_clock(rt_clock
) + 1000);
1019 static void icount_adjust_vm(void * opaque
)
1021 qemu_mod_timer(icount_vm_timer
,
1022 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1026 static void init_icount_adjust(void)
1028 /* Have both realtime and virtual time triggers for speed adjustment.
1029 The realtime trigger catches emulated time passing too slowly,
1030 the virtual time trigger catches emulated time passing too fast.
1031 Realtime triggers occur even when idle, so use them less frequently
1032 than VM triggers. */
1033 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1034 qemu_mod_timer(icount_rt_timer
,
1035 qemu_get_clock(rt_clock
) + 1000);
1036 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1037 qemu_mod_timer(icount_vm_timer
,
1038 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1041 static struct qemu_alarm_timer alarm_timers
[] = {
1044 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1045 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1046 /* HPET - if available - is preferred */
1047 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1048 /* ...otherwise try RTC */
1049 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1051 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1053 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1054 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1055 {"win32", 0, win32_start_timer
,
1056 win32_stop_timer
, NULL
, &alarm_win32_data
},
1061 static void show_available_alarms(void)
1065 printf("Available alarm timers, in order of precedence:\n");
1066 for (i
= 0; alarm_timers
[i
].name
; i
++)
1067 printf("%s\n", alarm_timers
[i
].name
);
1070 static void configure_alarms(char const *opt
)
1074 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1077 struct qemu_alarm_timer tmp
;
1079 if (!strcmp(opt
, "?")) {
1080 show_available_alarms();
1086 /* Reorder the array */
1087 name
= strtok(arg
, ",");
1089 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1090 if (!strcmp(alarm_timers
[i
].name
, name
))
1095 fprintf(stderr
, "Unknown clock %s\n", name
);
1104 tmp
= alarm_timers
[i
];
1105 alarm_timers
[i
] = alarm_timers
[cur
];
1106 alarm_timers
[cur
] = tmp
;
1110 name
= strtok(NULL
, ",");
1116 /* Disable remaining timers */
1117 for (i
= cur
; i
< count
; i
++)
1118 alarm_timers
[i
].name
= NULL
;
1120 show_available_alarms();
1125 QEMUClock
*rt_clock
;
1126 QEMUClock
*vm_clock
;
1128 static QEMUTimer
*active_timers
[2];
1130 static QEMUClock
*qemu_new_clock(int type
)
1133 clock
= qemu_mallocz(sizeof(QEMUClock
));
1138 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1142 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1145 ts
->opaque
= opaque
;
1149 void qemu_free_timer(QEMUTimer
*ts
)
1154 /* stop a timer, but do not dealloc it */
1155 void qemu_del_timer(QEMUTimer
*ts
)
1159 /* NOTE: this code must be signal safe because
1160 qemu_timer_expired() can be called from a signal. */
1161 pt
= &active_timers
[ts
->clock
->type
];
1174 /* modify the current timer so that it will be fired when current_time
1175 >= expire_time. The corresponding callback will be called. */
1176 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1182 /* add the timer in the sorted list */
1183 /* NOTE: this code must be signal safe because
1184 qemu_timer_expired() can be called from a signal. */
1185 pt
= &active_timers
[ts
->clock
->type
];
1190 if (t
->expire_time
> expire_time
)
1194 ts
->expire_time
= expire_time
;
1198 /* Rearm if necessary */
1199 if (pt
== &active_timers
[ts
->clock
->type
]) {
1200 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1201 qemu_rearm_alarm_timer(alarm_timer
);
1203 /* Interrupt execution to force deadline recalculation. */
1204 if (use_icount
&& cpu_single_env
) {
1205 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
1210 int qemu_timer_pending(QEMUTimer
*ts
)
1213 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1220 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1224 return (timer_head
->expire_time
<= current_time
);
1227 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1233 if (!ts
|| ts
->expire_time
> current_time
)
1235 /* remove timer from the list before calling the callback */
1236 *ptimer_head
= ts
->next
;
1239 /* run the callback (the timer list can be modified) */
1244 int64_t qemu_get_clock(QEMUClock
*clock
)
1246 switch(clock
->type
) {
1247 case QEMU_TIMER_REALTIME
:
1248 return get_clock() / 1000000;
1250 case QEMU_TIMER_VIRTUAL
:
1252 return cpu_get_icount();
1254 return cpu_get_clock();
1259 static void init_timers(void)
1262 ticks_per_sec
= QEMU_TIMER_BASE
;
1263 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1264 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1268 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1270 uint64_t expire_time
;
1272 if (qemu_timer_pending(ts
)) {
1273 expire_time
= ts
->expire_time
;
1277 qemu_put_be64(f
, expire_time
);
1280 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1282 uint64_t expire_time
;
1284 expire_time
= qemu_get_be64(f
);
1285 if (expire_time
!= -1) {
1286 qemu_mod_timer(ts
, expire_time
);
1292 static void timer_save(QEMUFile
*f
, void *opaque
)
1294 if (cpu_ticks_enabled
) {
1295 hw_error("cannot save state if virtual timers are running");
1297 qemu_put_be64(f
, cpu_ticks_offset
);
1298 qemu_put_be64(f
, ticks_per_sec
);
1299 qemu_put_be64(f
, cpu_clock_offset
);
1302 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1304 if (version_id
!= 1 && version_id
!= 2)
1306 if (cpu_ticks_enabled
) {
1309 cpu_ticks_offset
=qemu_get_be64(f
);
1310 ticks_per_sec
=qemu_get_be64(f
);
1311 if (version_id
== 2) {
1312 cpu_clock_offset
=qemu_get_be64(f
);
1318 void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1319 DWORD_PTR dwUser
, DWORD_PTR dw1
, DWORD_PTR dw2
)
1321 static void host_alarm_handler(int host_signum
)
1325 #define DISP_FREQ 1000
1327 static int64_t delta_min
= INT64_MAX
;
1328 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1330 ti
= qemu_get_clock(vm_clock
);
1331 if (last_clock
!= 0) {
1332 delta
= ti
- last_clock
;
1333 if (delta
< delta_min
)
1335 if (delta
> delta_max
)
1338 if (++count
== DISP_FREQ
) {
1339 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1340 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1341 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1342 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1343 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1345 delta_min
= INT64_MAX
;
1354 alarm_has_dynticks(alarm_timer
) ||
1356 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1357 qemu_get_clock(vm_clock
))) ||
1358 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1359 qemu_get_clock(rt_clock
))) {
1360 CPUState
*env
= next_cpu
;
1363 struct qemu_alarm_win32
*data
= ((struct qemu_alarm_timer
*)dwUser
)->priv
;
1364 SetEvent(data
->host_alarm
);
1366 static const char byte
= 0;
1367 write(alarm_timer_wfd
, &byte
, sizeof(byte
));
1369 alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1372 /* stop the currently executing cpu because a timer occured */
1373 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
1375 if (env
->kqemu_enabled
) {
1376 kqemu_cpu_interrupt(env
);
1384 static int64_t qemu_next_deadline(void)
1388 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1389 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1390 qemu_get_clock(vm_clock
);
1392 /* To avoid problems with overflow limit this to 2^32. */
1402 #if defined(__linux__) || defined(_WIN32)
1403 static uint64_t qemu_next_deadline_dyntick(void)
1411 delta
= (qemu_next_deadline() + 999) / 1000;
1413 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1414 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1415 qemu_get_clock(rt_clock
))*1000;
1416 if (rtdelta
< delta
)
1420 if (delta
< MIN_TIMER_REARM_US
)
1421 delta
= MIN_TIMER_REARM_US
;
1429 /* Sets a specific flag */
1430 static int fcntl_setfl(int fd
, int flag
)
1434 flags
= fcntl(fd
, F_GETFL
);
1438 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1444 #if defined(__linux__)
1446 #define RTC_FREQ 1024
1448 static void enable_sigio_timer(int fd
)
1450 struct sigaction act
;
1453 sigfillset(&act
.sa_mask
);
1455 act
.sa_handler
= host_alarm_handler
;
1457 sigaction(SIGIO
, &act
, NULL
);
1458 fcntl_setfl(fd
, O_ASYNC
);
1459 fcntl(fd
, F_SETOWN
, getpid());
1462 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1464 struct hpet_info info
;
1467 fd
= open("/dev/hpet", O_RDONLY
);
1472 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1474 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1475 "error, but for better emulation accuracy type:\n"
1476 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1480 /* Check capabilities */
1481 r
= ioctl(fd
, HPET_INFO
, &info
);
1485 /* Enable periodic mode */
1486 r
= ioctl(fd
, HPET_EPI
, 0);
1487 if (info
.hi_flags
&& (r
< 0))
1490 /* Enable interrupt */
1491 r
= ioctl(fd
, HPET_IE_ON
, 0);
1495 enable_sigio_timer(fd
);
1496 t
->priv
= (void *)(long)fd
;
1504 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1506 int fd
= (long)t
->priv
;
1511 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1514 unsigned long current_rtc_freq
= 0;
1516 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1519 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1520 if (current_rtc_freq
!= RTC_FREQ
&&
1521 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1522 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1523 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1524 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1527 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1533 enable_sigio_timer(rtc_fd
);
1535 t
->priv
= (void *)(long)rtc_fd
;
1540 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1542 int rtc_fd
= (long)t
->priv
;
1547 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1551 struct sigaction act
;
1553 sigfillset(&act
.sa_mask
);
1555 act
.sa_handler
= host_alarm_handler
;
1557 sigaction(SIGALRM
, &act
, NULL
);
1559 ev
.sigev_value
.sival_int
= 0;
1560 ev
.sigev_notify
= SIGEV_SIGNAL
;
1561 ev
.sigev_signo
= SIGALRM
;
1563 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1564 perror("timer_create");
1566 /* disable dynticks */
1567 fprintf(stderr
, "Dynamic Ticks disabled\n");
1572 t
->priv
= (void *)(long)host_timer
;
1577 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1579 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1581 timer_delete(host_timer
);
1584 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1586 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1587 struct itimerspec timeout
;
1588 int64_t nearest_delta_us
= INT64_MAX
;
1591 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1592 !active_timers
[QEMU_TIMER_VIRTUAL
])
1595 nearest_delta_us
= qemu_next_deadline_dyntick();
1597 /* check whether a timer is already running */
1598 if (timer_gettime(host_timer
, &timeout
)) {
1600 fprintf(stderr
, "Internal timer error: aborting\n");
1603 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1604 if (current_us
&& current_us
<= nearest_delta_us
)
1607 timeout
.it_interval
.tv_sec
= 0;
1608 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1609 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1610 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1611 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1613 fprintf(stderr
, "Internal timer error: aborting\n");
1618 #endif /* defined(__linux__) */
1620 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1622 struct sigaction act
;
1623 struct itimerval itv
;
1627 sigfillset(&act
.sa_mask
);
1629 act
.sa_handler
= host_alarm_handler
;
1631 sigaction(SIGALRM
, &act
, NULL
);
1633 itv
.it_interval
.tv_sec
= 0;
1634 /* for i386 kernel 2.6 to get 1 ms */
1635 itv
.it_interval
.tv_usec
= 999;
1636 itv
.it_value
.tv_sec
= 0;
1637 itv
.it_value
.tv_usec
= 10 * 1000;
1639 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1646 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1648 struct itimerval itv
;
1650 memset(&itv
, 0, sizeof(itv
));
1651 setitimer(ITIMER_REAL
, &itv
, NULL
);
1654 #endif /* !defined(_WIN32) */
1656 static void try_to_rearm_timer(void *opaque
)
1658 struct qemu_alarm_timer
*t
= opaque
;
1662 /* Drain the notify pipe */
1665 len
= read(alarm_timer_rfd
, buffer
, sizeof(buffer
));
1666 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
1669 if (t
->flags
& ALARM_FLAG_EXPIRED
) {
1670 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
1671 qemu_rearm_alarm_timer(alarm_timer
);
1677 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1680 struct qemu_alarm_win32
*data
= t
->priv
;
1683 data
->host_alarm
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
1684 if (!data
->host_alarm
) {
1685 perror("Failed CreateEvent");
1689 memset(&tc
, 0, sizeof(tc
));
1690 timeGetDevCaps(&tc
, sizeof(tc
));
1692 if (data
->period
< tc
.wPeriodMin
)
1693 data
->period
= tc
.wPeriodMin
;
1695 timeBeginPeriod(data
->period
);
1697 flags
= TIME_CALLBACK_FUNCTION
;
1698 if (alarm_has_dynticks(t
))
1699 flags
|= TIME_ONESHOT
;
1701 flags
|= TIME_PERIODIC
;
1703 data
->timerId
= timeSetEvent(1, // interval (ms)
1704 data
->period
, // resolution
1705 host_alarm_handler
, // function
1706 (DWORD
)t
, // parameter
1709 if (!data
->timerId
) {
1710 perror("Failed to initialize win32 alarm timer");
1712 timeEndPeriod(data
->period
);
1713 CloseHandle(data
->host_alarm
);
1717 qemu_add_wait_object(data
->host_alarm
, try_to_rearm_timer
, t
);
1722 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1724 struct qemu_alarm_win32
*data
= t
->priv
;
1726 timeKillEvent(data
->timerId
);
1727 timeEndPeriod(data
->period
);
1729 CloseHandle(data
->host_alarm
);
1732 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1734 struct qemu_alarm_win32
*data
= t
->priv
;
1735 uint64_t nearest_delta_us
;
1737 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1738 !active_timers
[QEMU_TIMER_VIRTUAL
])
1741 nearest_delta_us
= qemu_next_deadline_dyntick();
1742 nearest_delta_us
/= 1000;
1744 timeKillEvent(data
->timerId
);
1746 data
->timerId
= timeSetEvent(1,
1750 TIME_ONESHOT
| TIME_PERIODIC
);
1752 if (!data
->timerId
) {
1753 perror("Failed to re-arm win32 alarm timer");
1755 timeEndPeriod(data
->period
);
1756 CloseHandle(data
->host_alarm
);
1763 static int init_timer_alarm(void)
1765 struct qemu_alarm_timer
*t
= NULL
;
1775 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
1779 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
1783 alarm_timer_rfd
= fds
[0];
1784 alarm_timer_wfd
= fds
[1];
1787 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1788 t
= &alarm_timers
[i
];
1801 qemu_set_fd_handler2(alarm_timer_rfd
, NULL
,
1802 try_to_rearm_timer
, NULL
, t
);
1817 static void quit_timers(void)
1819 alarm_timer
->stop(alarm_timer
);
1823 /***********************************************************/
1824 /* host time/date access */
1825 void qemu_get_timedate(struct tm
*tm
, int offset
)
1832 if (rtc_date_offset
== -1) {
1836 ret
= localtime(&ti
);
1838 ti
-= rtc_date_offset
;
1842 memcpy(tm
, ret
, sizeof(struct tm
));
1845 int qemu_timedate_diff(struct tm
*tm
)
1849 if (rtc_date_offset
== -1)
1851 seconds
= mktimegm(tm
);
1853 seconds
= mktime(tm
);
1855 seconds
= mktimegm(tm
) + rtc_date_offset
;
1857 return seconds
- time(NULL
);
1861 static void socket_cleanup(void)
1866 static int socket_init(void)
1871 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1873 err
= WSAGetLastError();
1874 fprintf(stderr
, "WSAStartup: %d\n", err
);
1877 atexit(socket_cleanup
);
1882 const char *get_opt_name(char *buf
, int buf_size
, const char *p
)
1887 while (*p
!= '\0' && *p
!= '=') {
1888 if (q
&& (q
- buf
) < buf_size
- 1)
1898 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1903 while (*p
!= '\0') {
1905 if (*(p
+ 1) != ',')
1909 if (q
&& (q
- buf
) < buf_size
- 1)
1919 int get_param_value(char *buf
, int buf_size
,
1920 const char *tag
, const char *str
)
1927 p
= get_opt_name(option
, sizeof(option
), p
);
1931 if (!strcmp(tag
, option
)) {
1932 (void)get_opt_value(buf
, buf_size
, p
);
1935 p
= get_opt_value(NULL
, 0, p
);
1944 int check_params(char *buf
, int buf_size
,
1945 const char * const *params
, const char *str
)
1952 p
= get_opt_name(buf
, buf_size
, p
);
1956 for(i
= 0; params
[i
] != NULL
; i
++)
1957 if (!strcmp(params
[i
], buf
))
1959 if (params
[i
] == NULL
)
1961 p
= get_opt_value(NULL
, 0, p
);
1969 /***********************************************************/
1970 /* Bluetooth support */
1973 static struct HCIInfo
*hci_table
[MAX_NICS
];
1975 static struct bt_vlan_s
{
1976 struct bt_scatternet_s net
;
1978 struct bt_vlan_s
*next
;
1981 /* find or alloc a new bluetooth "VLAN" */
1982 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1984 struct bt_vlan_s
**pvlan
, *vlan
;
1985 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1989 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1991 pvlan
= &first_bt_vlan
;
1992 while (*pvlan
!= NULL
)
1993 pvlan
= &(*pvlan
)->next
;
1998 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
2002 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
2007 static struct HCIInfo null_hci
= {
2008 .cmd_send
= null_hci_send
,
2009 .sco_send
= null_hci_send
,
2010 .acl_send
= null_hci_send
,
2011 .bdaddr_set
= null_hci_addr_set
,
2014 struct HCIInfo
*qemu_next_hci(void)
2016 if (cur_hci
== nb_hcis
)
2019 return hci_table
[cur_hci
++];
2022 static struct HCIInfo
*hci_init(const char *str
)
2025 struct bt_scatternet_s
*vlan
= 0;
2027 if (!strcmp(str
, "null"))
2030 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
2032 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
2033 else if (!strncmp(str
, "hci", 3)) {
2036 if (!strncmp(str
+ 3, ",vlan=", 6)) {
2037 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
2042 vlan
= qemu_find_bt_vlan(0);
2044 return bt_new_hci(vlan
);
2047 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
2052 static int bt_hci_parse(const char *str
)
2054 struct HCIInfo
*hci
;
2057 if (nb_hcis
>= MAX_NICS
) {
2058 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2062 hci
= hci_init(str
);
2071 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2072 hci
->bdaddr_set(hci
, bdaddr
.b
);
2074 hci_table
[nb_hcis
++] = hci
;
2079 static void bt_vhci_add(int vlan_id
)
2081 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2084 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2085 "an empty scatternet %i\n", vlan_id
);
2087 bt_vhci_init(bt_new_hci(vlan
));
2090 static struct bt_device_s
*bt_device_add(const char *opt
)
2092 struct bt_scatternet_s
*vlan
;
2094 char *endp
= strstr(opt
, ",vlan=");
2095 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2098 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2101 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2103 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2108 vlan
= qemu_find_bt_vlan(vlan_id
);
2111 fprintf(stderr
, "qemu: warning: adding a slave device to "
2112 "an empty scatternet %i\n", vlan_id
);
2114 if (!strcmp(devname
, "keyboard"))
2115 return bt_keyboard_init(vlan
);
2117 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2121 static int bt_parse(const char *opt
)
2123 const char *endp
, *p
;
2126 if (strstart(opt
, "hci", &endp
)) {
2127 if (!*endp
|| *endp
== ',') {
2129 if (!strstart(endp
, ",vlan=", 0))
2132 return bt_hci_parse(opt
);
2134 } else if (strstart(opt
, "vhci", &endp
)) {
2135 if (!*endp
|| *endp
== ',') {
2137 if (strstart(endp
, ",vlan=", &p
)) {
2138 vlan
= strtol(p
, (char **) &endp
, 0);
2140 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2144 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2153 } else if (strstart(opt
, "device:", &endp
))
2154 return !bt_device_add(endp
);
2156 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2160 /***********************************************************/
2161 /* QEMU Block devices */
2163 #define HD_ALIAS "index=%d,media=disk"
2165 #define CDROM_ALIAS "index=1,media=cdrom"
2167 #define CDROM_ALIAS "index=2,media=cdrom"
2169 #define FD_ALIAS "index=%d,if=floppy"
2170 #define PFLASH_ALIAS "if=pflash"
2171 #define MTD_ALIAS "if=mtd"
2172 #define SD_ALIAS "index=0,if=sd"
2174 static int drive_opt_get_free_idx(void)
2178 for (index
= 0; index
< MAX_DRIVES
; index
++)
2179 if (!drives_opt
[index
].used
) {
2180 drives_opt
[index
].used
= 1;
2187 static int drive_get_free_idx(void)
2191 for (index
= 0; index
< MAX_DRIVES
; index
++)
2192 if (!drives_table
[index
].used
) {
2193 drives_table
[index
].used
= 1;
2200 int drive_add(const char *file
, const char *fmt
, ...)
2203 int index
= drive_opt_get_free_idx();
2205 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
2206 fprintf(stderr
, "qemu: too many drives\n");
2210 drives_opt
[index
].file
= file
;
2212 vsnprintf(drives_opt
[index
].opt
,
2213 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2220 void drive_remove(int index
)
2222 drives_opt
[index
].used
= 0;
2226 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2230 /* seek interface, bus and unit */
2232 for (index
= 0; index
< MAX_DRIVES
; index
++)
2233 if (drives_table
[index
].type
== type
&&
2234 drives_table
[index
].bus
== bus
&&
2235 drives_table
[index
].unit
== unit
&&
2236 drives_table
[index
].used
)
2242 int drive_get_max_bus(BlockInterfaceType type
)
2248 for (index
= 0; index
< nb_drives
; index
++) {
2249 if(drives_table
[index
].type
== type
&&
2250 drives_table
[index
].bus
> max_bus
)
2251 max_bus
= drives_table
[index
].bus
;
2256 const char *drive_get_serial(BlockDriverState
*bdrv
)
2260 for (index
= 0; index
< nb_drives
; index
++)
2261 if (drives_table
[index
].bdrv
== bdrv
)
2262 return drives_table
[index
].serial
;
2267 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2271 for (index
= 0; index
< nb_drives
; index
++)
2272 if (drives_table
[index
].bdrv
== bdrv
)
2273 return drives_table
[index
].onerror
;
2275 return BLOCK_ERR_STOP_ENOSPC
;
2278 static void bdrv_format_print(void *opaque
, const char *name
)
2280 fprintf(stderr
, " %s", name
);
2283 void drive_uninit(BlockDriverState
*bdrv
)
2287 for (i
= 0; i
< MAX_DRIVES
; i
++)
2288 if (drives_table
[i
].bdrv
== bdrv
) {
2289 drives_table
[i
].bdrv
= NULL
;
2290 drives_table
[i
].used
= 0;
2291 drive_remove(drives_table
[i
].drive_opt_idx
);
2297 int drive_init(struct drive_opt
*arg
, int snapshot
, void *opaque
)
2303 const char *mediastr
= "";
2304 BlockInterfaceType type
;
2305 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2306 int bus_id
, unit_id
;
2307 int cyls
, heads
, secs
, translation
;
2308 BlockDriverState
*bdrv
;
2309 BlockDriver
*drv
= NULL
;
2310 QEMUMachine
*machine
= opaque
;
2314 int bdrv_flags
, onerror
;
2315 int drives_table_idx
;
2316 char *str
= arg
->opt
;
2317 static const char * const params
[] = { "bus", "unit", "if", "index",
2318 "cyls", "heads", "secs", "trans",
2319 "media", "snapshot", "file",
2320 "cache", "format", "serial", "werror",
2323 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2324 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2330 cyls
= heads
= secs
= 0;
2333 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2337 if (machine
->use_scsi
) {
2339 max_devs
= MAX_SCSI_DEVS
;
2340 pstrcpy(devname
, sizeof(devname
), "scsi");
2343 max_devs
= MAX_IDE_DEVS
;
2344 pstrcpy(devname
, sizeof(devname
), "ide");
2348 /* extract parameters */
2350 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2351 bus_id
= strtol(buf
, NULL
, 0);
2353 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2358 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2359 unit_id
= strtol(buf
, NULL
, 0);
2361 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2366 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2367 pstrcpy(devname
, sizeof(devname
), buf
);
2368 if (!strcmp(buf
, "ide")) {
2370 max_devs
= MAX_IDE_DEVS
;
2371 } else if (!strcmp(buf
, "scsi")) {
2373 max_devs
= MAX_SCSI_DEVS
;
2374 } else if (!strcmp(buf
, "floppy")) {
2377 } else if (!strcmp(buf
, "pflash")) {
2380 } else if (!strcmp(buf
, "mtd")) {
2383 } else if (!strcmp(buf
, "sd")) {
2386 } else if (!strcmp(buf
, "virtio")) {
2390 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2395 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2396 index
= strtol(buf
, NULL
, 0);
2398 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2403 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2404 cyls
= strtol(buf
, NULL
, 0);
2407 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2408 heads
= strtol(buf
, NULL
, 0);
2411 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2412 secs
= strtol(buf
, NULL
, 0);
2415 if (cyls
|| heads
|| secs
) {
2416 if (cyls
< 1 || cyls
> 16383) {
2417 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2420 if (heads
< 1 || heads
> 16) {
2421 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2424 if (secs
< 1 || secs
> 63) {
2425 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2430 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2433 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2437 if (!strcmp(buf
, "none"))
2438 translation
= BIOS_ATA_TRANSLATION_NONE
;
2439 else if (!strcmp(buf
, "lba"))
2440 translation
= BIOS_ATA_TRANSLATION_LBA
;
2441 else if (!strcmp(buf
, "auto"))
2442 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2444 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2449 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2450 if (!strcmp(buf
, "disk")) {
2452 } else if (!strcmp(buf
, "cdrom")) {
2453 if (cyls
|| secs
|| heads
) {
2455 "qemu: '%s' invalid physical CHS format\n", str
);
2458 media
= MEDIA_CDROM
;
2460 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2465 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2466 if (!strcmp(buf
, "on"))
2468 else if (!strcmp(buf
, "off"))
2471 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2476 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2477 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2479 else if (!strcmp(buf
, "writethrough"))
2481 else if (!strcmp(buf
, "writeback"))
2484 fprintf(stderr
, "qemu: invalid cache option\n");
2489 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2490 if (strcmp(buf
, "?") == 0) {
2491 fprintf(stderr
, "qemu: Supported formats:");
2492 bdrv_iterate_format(bdrv_format_print
, NULL
);
2493 fprintf(stderr
, "\n");
2496 drv
= bdrv_find_format(buf
);
2498 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2503 if (get_param_value(buf
, sizeof(buf
), "boot", str
)) {
2504 if (!strcmp(buf
, "on")) {
2505 if (extboot_drive
!= -1) {
2506 fprintf(stderr
, "qemu: two bootable drives specified\n");
2509 extboot_drive
= nb_drives
;
2510 } else if (strcmp(buf
, "off")) {
2511 fprintf(stderr
, "qemu: '%s' invalid boot option\n", str
);
2516 if (arg
->file
== NULL
)
2517 get_param_value(file
, sizeof(file
), "file", str
);
2519 pstrcpy(file
, sizeof(file
), arg
->file
);
2521 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2522 memset(serial
, 0, sizeof(serial
));
2524 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2525 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2526 if (type
!= IF_IDE
&& type
!= IF_SCSI
&& type
!= IF_VIRTIO
) {
2527 fprintf(stderr
, "werror is no supported by this format\n");
2530 if (!strcmp(buf
, "ignore"))
2531 onerror
= BLOCK_ERR_IGNORE
;
2532 else if (!strcmp(buf
, "enospc"))
2533 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2534 else if (!strcmp(buf
, "stop"))
2535 onerror
= BLOCK_ERR_STOP_ANY
;
2536 else if (!strcmp(buf
, "report"))
2537 onerror
= BLOCK_ERR_REPORT
;
2539 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2544 /* compute bus and unit according index */
2547 if (bus_id
!= 0 || unit_id
!= -1) {
2549 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2557 unit_id
= index
% max_devs
;
2558 bus_id
= index
/ max_devs
;
2562 /* if user doesn't specify a unit_id,
2563 * try to find the first free
2566 if (unit_id
== -1) {
2568 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2570 if (max_devs
&& unit_id
>= max_devs
) {
2571 unit_id
-= max_devs
;
2579 if (max_devs
&& unit_id
>= max_devs
) {
2580 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2581 str
, unit_id
, max_devs
- 1);
2586 * ignore multiple definitions
2589 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2594 if (type
== IF_IDE
|| type
== IF_SCSI
)
2595 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2597 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2598 devname
, bus_id
, mediastr
, unit_id
);
2600 snprintf(buf
, sizeof(buf
), "%s%s%i",
2601 devname
, mediastr
, unit_id
);
2602 bdrv
= bdrv_new(buf
);
2603 drives_table_idx
= drive_get_free_idx();
2604 drives_table
[drives_table_idx
].bdrv
= bdrv
;
2605 drives_table
[drives_table_idx
].type
= type
;
2606 drives_table
[drives_table_idx
].bus
= bus_id
;
2607 drives_table
[drives_table_idx
].unit
= unit_id
;
2608 drives_table
[drives_table_idx
].onerror
= onerror
;
2609 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
2610 strncpy(drives_table
[drives_table_idx
].serial
, serial
, sizeof(serial
));
2619 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2620 bdrv_set_translation_hint(bdrv
, translation
);
2624 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2629 /* FIXME: This isn't really a floppy, but it's a reasonable
2632 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2643 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2644 cache
= 2; /* always use write-back with snapshot */
2646 if (cache
== 0) /* no caching */
2647 bdrv_flags
|= BDRV_O_NOCACHE
;
2648 else if (cache
== 2) /* write-back */
2649 bdrv_flags
|= BDRV_O_CACHE_WB
;
2650 else if (cache
== 3) /* not specified */
2651 bdrv_flags
|= BDRV_O_CACHE_DEF
;
2652 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0) {
2653 fprintf(stderr
, "qemu: could not open disk image %s\n",
2657 if (bdrv_key_required(bdrv
))
2659 return drives_table_idx
;
2662 /***********************************************************/
2665 static USBPort
*used_usb_ports
;
2666 static USBPort
*free_usb_ports
;
2668 /* ??? Maybe change this to register a hub to keep track of the topology. */
2669 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2670 usb_attachfn attach
)
2672 port
->opaque
= opaque
;
2673 port
->index
= index
;
2674 port
->attach
= attach
;
2675 port
->next
= free_usb_ports
;
2676 free_usb_ports
= port
;
2679 int usb_device_add_dev(USBDevice
*dev
)
2683 /* Find a USB port to add the device to. */
2684 port
= free_usb_ports
;
2688 /* Create a new hub and chain it on. */
2689 free_usb_ports
= NULL
;
2690 port
->next
= used_usb_ports
;
2691 used_usb_ports
= port
;
2693 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2694 usb_attach(port
, hub
);
2695 port
= free_usb_ports
;
2698 free_usb_ports
= port
->next
;
2699 port
->next
= used_usb_ports
;
2700 used_usb_ports
= port
;
2701 usb_attach(port
, dev
);
2705 static int usb_device_add(const char *devname
, int is_hotplug
)
2710 if (!free_usb_ports
)
2713 if (strstart(devname
, "host:", &p
)) {
2714 dev
= usb_host_device_open(p
);
2715 } else if (!strcmp(devname
, "mouse")) {
2716 dev
= usb_mouse_init();
2717 } else if (!strcmp(devname
, "tablet")) {
2718 dev
= usb_tablet_init();
2719 } else if (!strcmp(devname
, "keyboard")) {
2720 dev
= usb_keyboard_init();
2721 } else if (strstart(devname
, "disk:", &p
)) {
2722 BlockDriverState
*bs
;
2724 dev
= usb_msd_init(p
, &bs
);
2727 if (bdrv_key_required(bs
)) {
2729 if (is_hotplug
&& monitor_read_bdrv_key(bs
) < 0) {
2730 dev
->handle_destroy(dev
);
2734 } else if (!strcmp(devname
, "wacom-tablet")) {
2735 dev
= usb_wacom_init();
2736 } else if (strstart(devname
, "serial:", &p
)) {
2737 dev
= usb_serial_init(p
);
2738 #ifdef CONFIG_BRLAPI
2739 } else if (!strcmp(devname
, "braille")) {
2740 dev
= usb_baum_init();
2742 } else if (strstart(devname
, "net:", &p
)) {
2745 if (net_client_init("nic", p
) < 0)
2747 nd_table
[nic
].model
= "usb";
2748 dev
= usb_net_init(&nd_table
[nic
]);
2749 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2750 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2751 bt_new_hci(qemu_find_bt_vlan(0)));
2758 return usb_device_add_dev(dev
);
2761 int usb_device_del_addr(int bus_num
, int addr
)
2767 if (!used_usb_ports
)
2773 lastp
= &used_usb_ports
;
2774 port
= used_usb_ports
;
2775 while (port
&& port
->dev
->addr
!= addr
) {
2776 lastp
= &port
->next
;
2784 *lastp
= port
->next
;
2785 usb_attach(port
, NULL
);
2786 dev
->handle_destroy(dev
);
2787 port
->next
= free_usb_ports
;
2788 free_usb_ports
= port
;
2792 static int usb_device_del(const char *devname
)
2797 if (strstart(devname
, "host:", &p
))
2798 return usb_host_device_close(p
);
2800 if (!used_usb_ports
)
2803 p
= strchr(devname
, '.');
2806 bus_num
= strtoul(devname
, NULL
, 0);
2807 addr
= strtoul(p
+ 1, NULL
, 0);
2809 return usb_device_del_addr(bus_num
, addr
);
2812 void do_usb_add(const char *devname
)
2814 usb_device_add(devname
, 1);
2817 void do_usb_del(const char *devname
)
2819 usb_device_del(devname
);
2826 const char *speed_str
;
2829 term_printf("USB support not enabled\n");
2833 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2837 switch(dev
->speed
) {
2841 case USB_SPEED_FULL
:
2844 case USB_SPEED_HIGH
:
2851 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2852 0, dev
->addr
, speed_str
, dev
->devname
);
2856 /***********************************************************/
2857 /* PCMCIA/Cardbus */
2859 static struct pcmcia_socket_entry_s
{
2860 struct pcmcia_socket_s
*socket
;
2861 struct pcmcia_socket_entry_s
*next
;
2862 } *pcmcia_sockets
= 0;
2864 void pcmcia_socket_register(struct pcmcia_socket_s
*socket
)
2866 struct pcmcia_socket_entry_s
*entry
;
2868 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2869 entry
->socket
= socket
;
2870 entry
->next
= pcmcia_sockets
;
2871 pcmcia_sockets
= entry
;
2874 void pcmcia_socket_unregister(struct pcmcia_socket_s
*socket
)
2876 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2878 ptr
= &pcmcia_sockets
;
2879 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2880 if (entry
->socket
== socket
) {
2886 void pcmcia_info(void)
2888 struct pcmcia_socket_entry_s
*iter
;
2889 if (!pcmcia_sockets
)
2890 term_printf("No PCMCIA sockets\n");
2892 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2893 term_printf("%s: %s\n", iter
->socket
->slot_string
,
2894 iter
->socket
->attached
? iter
->socket
->card_string
:
2898 /***********************************************************/
2899 /* register display */
2901 void register_displaystate(DisplayState
*ds
)
2911 DisplayState
*get_displaystate(void)
2913 return display_state
;
2918 static void dumb_display_init(void)
2920 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2921 ds
->surface
= qemu_create_displaysurface(640, 480, 32, 640 * 4);
2922 register_displaystate(ds
);
2925 /***********************************************************/
2928 #define MAX_IO_HANDLERS 64
2930 typedef struct IOHandlerRecord
{
2932 IOCanRWHandler
*fd_read_poll
;
2934 IOHandler
*fd_write
;
2937 /* temporary data */
2939 struct IOHandlerRecord
*next
;
2942 static IOHandlerRecord
*first_io_handler
;
2944 /* XXX: fd_read_poll should be suppressed, but an API change is
2945 necessary in the character devices to suppress fd_can_read(). */
2946 int qemu_set_fd_handler2(int fd
,
2947 IOCanRWHandler
*fd_read_poll
,
2949 IOHandler
*fd_write
,
2952 IOHandlerRecord
**pioh
, *ioh
;
2954 if (!fd_read
&& !fd_write
) {
2955 pioh
= &first_io_handler
;
2960 if (ioh
->fd
== fd
) {
2967 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2971 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2972 ioh
->next
= first_io_handler
;
2973 first_io_handler
= ioh
;
2976 ioh
->fd_read_poll
= fd_read_poll
;
2977 ioh
->fd_read
= fd_read
;
2978 ioh
->fd_write
= fd_write
;
2979 ioh
->opaque
= opaque
;
2986 int qemu_set_fd_handler(int fd
,
2988 IOHandler
*fd_write
,
2991 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2995 /***********************************************************/
2996 /* Polling handling */
2998 typedef struct PollingEntry
{
3001 struct PollingEntry
*next
;
3004 static PollingEntry
*first_polling_entry
;
3006 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
3008 PollingEntry
**ppe
, *pe
;
3009 pe
= qemu_mallocz(sizeof(PollingEntry
));
3011 pe
->opaque
= opaque
;
3012 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
3017 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
3019 PollingEntry
**ppe
, *pe
;
3020 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
3022 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
3030 /***********************************************************/
3031 /* Wait objects support */
3032 typedef struct WaitObjects
{
3034 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
3035 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
3036 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
3039 static WaitObjects wait_objects
= {0};
3041 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3043 WaitObjects
*w
= &wait_objects
;
3045 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
3047 w
->events
[w
->num
] = handle
;
3048 w
->func
[w
->num
] = func
;
3049 w
->opaque
[w
->num
] = opaque
;
3054 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3057 WaitObjects
*w
= &wait_objects
;
3060 for (i
= 0; i
< w
->num
; i
++) {
3061 if (w
->events
[i
] == handle
)
3064 w
->events
[i
] = w
->events
[i
+ 1];
3065 w
->func
[i
] = w
->func
[i
+ 1];
3066 w
->opaque
[i
] = w
->opaque
[i
+ 1];
3074 /***********************************************************/
3075 /* ram save/restore */
3077 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3081 v
= qemu_get_byte(f
);
3084 if (qemu_get_buffer(f
, buf
, len
) != len
)
3088 v
= qemu_get_byte(f
);
3089 memset(buf
, v
, len
);
3095 if (qemu_file_has_error(f
))
3101 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3106 if (qemu_get_be32(f
) != phys_ram_size
)
3108 for(i
= 0; i
< phys_ram_size
; i
+= TARGET_PAGE_SIZE
) {
3109 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
3111 ret
= ram_get_page(f
, phys_ram_base
+ i
, TARGET_PAGE_SIZE
);
3118 #define BDRV_HASH_BLOCK_SIZE 1024
3119 #define IOBUF_SIZE 4096
3120 #define RAM_CBLOCK_MAGIC 0xfabe
3122 typedef struct RamDecompressState
{
3125 uint8_t buf
[IOBUF_SIZE
];
3126 } RamDecompressState
;
3128 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3131 memset(s
, 0, sizeof(*s
));
3133 ret
= inflateInit(&s
->zstream
);
3139 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3143 s
->zstream
.avail_out
= len
;
3144 s
->zstream
.next_out
= buf
;
3145 while (s
->zstream
.avail_out
> 0) {
3146 if (s
->zstream
.avail_in
== 0) {
3147 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3149 clen
= qemu_get_be16(s
->f
);
3150 if (clen
> IOBUF_SIZE
)
3152 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3153 s
->zstream
.avail_in
= clen
;
3154 s
->zstream
.next_in
= s
->buf
;
3156 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3157 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3164 static void ram_decompress_close(RamDecompressState
*s
)
3166 inflateEnd(&s
->zstream
);
3169 #define RAM_SAVE_FLAG_FULL 0x01
3170 #define RAM_SAVE_FLAG_COMPRESS 0x02
3171 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3172 #define RAM_SAVE_FLAG_PAGE 0x08
3173 #define RAM_SAVE_FLAG_EOS 0x10
3175 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3177 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3178 uint32_t *array
= (uint32_t *)page
;
3181 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3182 if (array
[i
] != val
)
3189 static int ram_save_block(QEMUFile
*f
)
3191 static ram_addr_t current_addr
= 0;
3192 ram_addr_t saved_addr
= current_addr
;
3193 ram_addr_t addr
= 0;
3196 while (addr
< phys_ram_size
) {
3197 if (kvm_enabled() && current_addr
== 0)
3198 kvm_update_dirty_pages_log(); /* FIXME: propagate errors */
3199 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3202 cpu_physical_memory_reset_dirty(current_addr
,
3203 current_addr
+ TARGET_PAGE_SIZE
,
3204 MIGRATION_DIRTY_FLAG
);
3206 ch
= *(phys_ram_base
+ current_addr
);
3208 if (is_dup_page(phys_ram_base
+ current_addr
, ch
)) {
3209 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3210 qemu_put_byte(f
, ch
);
3212 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3213 qemu_put_buffer(f
, phys_ram_base
+ current_addr
, TARGET_PAGE_SIZE
);
3219 addr
+= TARGET_PAGE_SIZE
;
3220 current_addr
= (saved_addr
+ addr
) % phys_ram_size
;
3226 static ram_addr_t ram_save_threshold
= 10;
3228 static ram_addr_t
ram_save_remaining(void)
3231 ram_addr_t count
= 0;
3233 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3234 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3241 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3246 /* Make sure all dirty bits are set */
3247 for (addr
= 0; addr
< phys_ram_size
; addr
+= TARGET_PAGE_SIZE
) {
3248 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3249 cpu_physical_memory_set_dirty(addr
);
3252 /* Enable dirty memory tracking */
3253 cpu_physical_memory_set_dirty_tracking(1);
3255 qemu_put_be64(f
, phys_ram_size
| RAM_SAVE_FLAG_MEM_SIZE
);
3258 while (!qemu_file_rate_limit(f
)) {
3261 ret
= ram_save_block(f
);
3262 if (ret
== 0) /* no more blocks */
3266 /* try transferring iterative blocks of memory */
3270 /* flush all remaining blocks regardless of rate limiting */
3271 while (ram_save_block(f
) != 0);
3272 cpu_physical_memory_set_dirty_tracking(0);
3275 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3277 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
3280 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3282 RamDecompressState s1
, *s
= &s1
;
3286 if (ram_decompress_open(s
, f
) < 0)
3288 for(i
= 0; i
< phys_ram_size
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3289 if (kvm_enabled() && (i
>=0xa0000) && (i
<0xc0000)) /* do not access video-addresses */
3291 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3292 fprintf(stderr
, "Error while reading ram block header\n");
3296 if (ram_decompress_buf(s
, phys_ram_base
+ i
, BDRV_HASH_BLOCK_SIZE
) < 0) {
3297 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3302 printf("Error block header\n");
3306 ram_decompress_close(s
);
3311 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3316 if (version_id
== 1)
3317 return ram_load_v1(f
, opaque
);
3319 if (version_id
== 2) {
3320 if (qemu_get_be32(f
) != phys_ram_size
)
3322 return ram_load_dead(f
, opaque
);
3325 if (version_id
!= 3)
3329 addr
= qemu_get_be64(f
);
3331 flags
= addr
& ~TARGET_PAGE_MASK
;
3332 addr
&= TARGET_PAGE_MASK
;
3334 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3335 if (addr
!= phys_ram_size
)
3339 if (flags
& RAM_SAVE_FLAG_FULL
) {
3340 if (ram_load_dead(f
, opaque
) < 0)
3344 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3345 uint8_t ch
= qemu_get_byte(f
);
3346 memset(phys_ram_base
+ addr
, ch
, TARGET_PAGE_SIZE
);
3347 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3348 qemu_get_buffer(f
, phys_ram_base
+ addr
, TARGET_PAGE_SIZE
);
3349 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3354 /***********************************************************/
3355 /* bottom halves (can be seen as timers which expire ASAP) */
3366 static QEMUBH
*first_bh
= NULL
;
3368 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3371 bh
= qemu_mallocz(sizeof(QEMUBH
));
3373 bh
->opaque
= opaque
;
3374 bh
->next
= first_bh
;
3379 int qemu_bh_poll(void)
3385 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3386 if (!bh
->deleted
&& bh
->scheduled
) {
3395 /* remove deleted bhs */
3409 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3417 void qemu_bh_schedule(QEMUBH
*bh
)
3419 CPUState
*env
= cpu_single_env
;
3424 /* stop the currently executing CPU to execute the BH ASAP */
3426 cpu_interrupt(env
, CPU_INTERRUPT_EXIT
);
3431 void qemu_bh_cancel(QEMUBH
*bh
)
3436 void qemu_bh_delete(QEMUBH
*bh
)
3442 static void qemu_bh_update_timeout(int *timeout
)
3446 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3447 if (!bh
->deleted
&& bh
->scheduled
) {
3449 /* idle bottom halves will be polled at least
3451 *timeout
= MIN(10, *timeout
);
3453 /* non-idle bottom halves will be executed
3462 /***********************************************************/
3463 /* machine registration */
3465 static QEMUMachine
*first_machine
= NULL
;
3466 QEMUMachine
*current_machine
= NULL
;
3468 int qemu_register_machine(QEMUMachine
*m
)
3471 pm
= &first_machine
;
3479 static QEMUMachine
*find_machine(const char *name
)
3483 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3484 if (!strcmp(m
->name
, name
))
3490 /***********************************************************/
3491 /* main execution loop */
3493 static void gui_update(void *opaque
)
3495 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3496 DisplayState
*ds
= opaque
;
3497 DisplayChangeListener
*dcl
= ds
->listeners
;
3501 while (dcl
!= NULL
) {
3502 if (dcl
->gui_timer_interval
&&
3503 dcl
->gui_timer_interval
< interval
)
3504 interval
= dcl
->gui_timer_interval
;
3507 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3510 static void nographic_update(void *opaque
)
3512 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3514 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3517 struct vm_change_state_entry
{
3518 VMChangeStateHandler
*cb
;
3520 LIST_ENTRY (vm_change_state_entry
) entries
;
3523 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3525 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3528 VMChangeStateEntry
*e
;
3530 e
= qemu_mallocz(sizeof (*e
));
3534 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3538 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3540 LIST_REMOVE (e
, entries
);
3544 static void vm_state_notify(int running
, int reason
)
3546 VMChangeStateEntry
*e
;
3548 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3549 e
->cb(e
->opaque
, running
, reason
);
3558 vm_state_notify(1, 0);
3559 qemu_rearm_alarm_timer(alarm_timer
);
3563 void vm_stop(int reason
)
3566 cpu_disable_ticks();
3568 vm_state_notify(0, reason
);
3572 /* reset/shutdown handler */
3574 typedef struct QEMUResetEntry
{
3575 QEMUResetHandler
*func
;
3577 struct QEMUResetEntry
*next
;
3580 static QEMUResetEntry
*first_reset_entry
;
3581 static int reset_requested
;
3582 static int shutdown_requested
;
3583 static int powerdown_requested
;
3585 int qemu_shutdown_requested(void)
3587 int r
= shutdown_requested
;
3588 shutdown_requested
= 0;
3592 int qemu_reset_requested(void)
3594 int r
= reset_requested
;
3595 reset_requested
= 0;
3599 int qemu_powerdown_requested(void)
3601 int r
= powerdown_requested
;
3602 powerdown_requested
= 0;
3606 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3608 QEMUResetEntry
**pre
, *re
;
3610 pre
= &first_reset_entry
;
3611 while (*pre
!= NULL
)
3612 pre
= &(*pre
)->next
;
3613 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3615 re
->opaque
= opaque
;
3620 void qemu_system_reset(void)
3624 /* reset all devices */
3625 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3626 re
->func(re
->opaque
);
3630 void qemu_system_reset_request(void)
3633 shutdown_requested
= 1;
3635 reset_requested
= 1;
3638 if (cpu_single_env
) {
3639 qemu_kvm_cpu_stop(cpu_single_env
);
3640 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3645 void qemu_system_shutdown_request(void)
3647 shutdown_requested
= 1;
3649 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3652 void qemu_system_powerdown_request(void)
3654 powerdown_requested
= 1;
3656 cpu_interrupt(cpu_single_env
, CPU_INTERRUPT_EXIT
);
3659 static int qemu_select(int max_fd
, fd_set
*rfds
, fd_set
*wfds
, fd_set
*xfds
,
3664 /* KVM holds a mutex while QEMU code is running, we need hooks to
3665 release the mutex whenever QEMU code sleeps. */
3669 ret
= select(max_fd
, rfds
, wfds
, xfds
, tv
);
3677 static void host_main_loop_wait(int *timeout
)
3683 /* XXX: need to suppress polling by better using win32 events */
3685 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
3686 ret
|= pe
->func(pe
->opaque
);
3690 WaitObjects
*w
= &wait_objects
;
3692 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
3693 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
3694 if (w
->func
[ret
- WAIT_OBJECT_0
])
3695 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
3697 /* Check for additional signaled events */
3698 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
3700 /* Check if event is signaled */
3701 ret2
= WaitForSingleObject(w
->events
[i
], 0);
3702 if(ret2
== WAIT_OBJECT_0
) {
3704 w
->func
[i
](w
->opaque
[i
]);
3705 } else if (ret2
== WAIT_TIMEOUT
) {
3707 err
= GetLastError();
3708 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
3711 } else if (ret
== WAIT_TIMEOUT
) {
3713 err
= GetLastError();
3714 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
3721 static void host_main_loop_wait(int *timeout
)
3726 void main_loop_wait(int timeout
)
3728 IOHandlerRecord
*ioh
;
3729 fd_set rfds
, wfds
, xfds
;
3733 qemu_bh_update_timeout(&timeout
);
3735 host_main_loop_wait(&timeout
);
3737 /* poll any events */
3738 /* XXX: separate device handlers from system ones */
3743 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3747 (!ioh
->fd_read_poll
||
3748 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
3749 FD_SET(ioh
->fd
, &rfds
);
3753 if (ioh
->fd_write
) {
3754 FD_SET(ioh
->fd
, &wfds
);
3760 tv
.tv_sec
= timeout
/ 1000;
3761 tv
.tv_usec
= (timeout
% 1000) * 1000;
3763 #if defined(CONFIG_SLIRP)
3764 if (slirp_is_inited()) {
3765 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
3768 ret
= qemu_select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
3770 IOHandlerRecord
**pioh
;
3772 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
3773 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
3774 ioh
->fd_read(ioh
->opaque
);
3775 if (!(ioh
->fd_read_poll
&& ioh
->fd_read_poll(ioh
->opaque
)))
3776 FD_CLR(ioh
->fd
, &rfds
);
3778 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
3779 ioh
->fd_write(ioh
->opaque
);
3783 /* remove deleted IO handlers */
3784 pioh
= &first_io_handler
;
3794 #if defined(CONFIG_SLIRP)
3795 if (slirp_is_inited()) {
3801 slirp_select_poll(&rfds
, &wfds
, &xfds
);
3805 /* vm time timers */
3806 if (vm_running
&& (!cur_cpu
3807 || likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
))))
3808 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
3809 qemu_get_clock(vm_clock
));
3811 /* real time timers */
3812 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
3813 qemu_get_clock(rt_clock
));
3815 /* Check bottom-halves last in case any of the earlier events triggered
3821 static int main_loop(void)
3824 #ifdef CONFIG_PROFILER
3830 if (kvm_enabled()) {
3832 cpu_disable_ticks();
3836 cur_cpu
= first_cpu
;
3837 next_cpu
= cur_cpu
->next_cpu
?: first_cpu
;
3844 #ifdef CONFIG_PROFILER
3845 ti
= profile_getclock();
3850 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
3851 env
->icount_decr
.u16
.low
= 0;
3852 env
->icount_extra
= 0;
3853 count
= qemu_next_deadline();
3854 count
= (count
+ (1 << icount_time_shift
) - 1)
3855 >> icount_time_shift
;
3856 qemu_icount
+= count
;
3857 decr
= (count
> 0xffff) ? 0xffff : count
;
3859 env
->icount_decr
.u16
.low
= decr
;
3860 env
->icount_extra
= count
;
3862 ret
= cpu_exec(env
);
3863 #ifdef CONFIG_PROFILER
3864 qemu_time
+= profile_getclock() - ti
;
3867 /* Fold pending instructions back into the
3868 instruction counter, and clear the interrupt flag. */
3869 qemu_icount
-= (env
->icount_decr
.u16
.low
3870 + env
->icount_extra
);
3871 env
->icount_decr
.u32
= 0;
3872 env
->icount_extra
= 0;
3874 next_cpu
= env
->next_cpu
?: first_cpu
;
3875 if (event_pending
&& likely(ret
!= EXCP_DEBUG
)) {
3876 ret
= EXCP_INTERRUPT
;
3880 if (ret
== EXCP_HLT
) {
3881 /* Give the next CPU a chance to run. */
3885 if (ret
!= EXCP_HALTED
)
3887 /* all CPUs are halted ? */
3893 if (shutdown_requested
) {
3894 ret
= EXCP_INTERRUPT
;
3902 if (reset_requested
) {
3903 reset_requested
= 0;
3904 qemu_system_reset();
3906 kvm_load_registers(env
);
3907 ret
= EXCP_INTERRUPT
;
3909 if (powerdown_requested
) {
3910 powerdown_requested
= 0;
3911 qemu_system_powerdown();
3912 ret
= EXCP_INTERRUPT
;
3914 #ifdef CONFIG_GDBSTUB
3915 if (unlikely(ret
== EXCP_DEBUG
)) {
3916 gdb_set_stop_cpu(cur_cpu
);
3917 vm_stop(EXCP_DEBUG
);
3920 /* If all cpus are halted then wait until the next IRQ */
3921 /* XXX: use timeout computed from timers */
3922 if (ret
== EXCP_HALTED
) {
3926 /* Advance virtual time to the next event. */
3927 if (use_icount
== 1) {
3928 /* When not using an adaptive execution frequency
3929 we tend to get badly out of sync with real time,
3930 so just delay for a reasonable amount of time. */
3933 delta
= cpu_get_icount() - cpu_get_clock();
3936 /* If virtual time is ahead of real time then just
3938 timeout
= (delta
/ 1000000) + 1;
3940 /* Wait for either IO to occur or the next
3942 add
= qemu_next_deadline();
3943 /* We advance the timer before checking for IO.
3944 Limit the amount we advance so that early IO
3945 activity won't get the guest too far ahead. */
3949 add
= (add
+ (1 << icount_time_shift
) - 1)
3950 >> icount_time_shift
;
3952 timeout
= delta
/ 1000000;
3963 if (shutdown_requested
) {
3964 ret
= EXCP_INTERRUPT
;
3969 #ifdef CONFIG_PROFILER
3970 ti
= profile_getclock();
3972 main_loop_wait(timeout
);
3973 #ifdef CONFIG_PROFILER
3974 dev_time
+= profile_getclock() - ti
;
3977 cpu_disable_ticks();
3981 static void help(int exitcode
)
3983 /* Please keep in synch with QEMU_OPTION_ enums, qemu_options[]
3984 and qemu-doc.texi */
3985 printf("QEMU PC emulator version " QEMU_VERSION
" (" KVM_VERSION
")"
3986 ", Copyright (c) 2003-2008 Fabrice Bellard\n"
3987 "usage: %s [options] [disk_image]\n"
3989 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3991 "Standard options:\n"
3992 "-h or -help display this help and exit\n"
3993 "-M machine select emulated machine (-M ? for list)\n"
3994 "-cpu cpu select CPU (-cpu ? for list)\n"
3995 "-smp n set the number of CPUs to 'n' [default=1]\n"
3996 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3997 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3998 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3999 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
4000 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
4001 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
4002 " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
4004 " use 'file' as a drive image\n"
4005 "-mtdblock file use 'file' as on-board Flash memory image\n"
4006 "-sd file use 'file' as SecureDigital card image\n"
4007 "-pflash file use 'file' as a parallel flash image\n"
4008 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
4009 "-snapshot write to temporary files instead of disk image files\n"
4010 "-m megs set virtual RAM size to megs MB [default=%d]\n"
4012 "-k language use keyboard layout (for example \"fr\" for French)\n"
4015 "-audio-help print list of audio drivers and their options\n"
4016 "-soundhw c1,... enable audio support\n"
4017 " and only specified sound cards (comma separated list)\n"
4018 " use -soundhw ? to get the list of supported cards\n"
4019 " use -soundhw all to enable all of them\n"
4021 "-usb enable the USB driver (will be the default soon)\n"
4022 "-usbdevice name add the host or guest USB device 'name'\n"
4023 "-name string set the name of the guest\n"
4024 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x\n"
4025 " specify machine UUID\n"
4027 "Display options:\n"
4028 "-nographic disable graphical output and redirect serial I/Os to console\n"
4029 #ifdef CONFIG_CURSES
4030 "-curses use a curses/ncurses interface instead of SDL\n"
4033 "-no-frame open SDL window without a frame and window decorations\n"
4034 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
4035 "-no-quit disable SDL window close capability\n"
4038 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4039 "-vga [std|cirrus|vmware|none]\n"
4040 " select video card type\n"
4041 "-full-screen start in full screen\n"
4042 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4043 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
4045 "-vnc display start a VNC server on display\n"
4047 "-nvram file use 'file' to save or load nvram image\n"
4049 "-name string set the name of the guest\n"
4050 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
4052 "Network options:\n"
4053 "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
4054 " create a new Network Interface Card and connect it to VLAN 'n'\n"
4056 "-net user[,vlan=n][,name=str][,hostname=host]\n"
4057 " connect the user mode network stack to VLAN 'n' and send\n"
4058 " hostname 'host' to DHCP clients\n"
4061 "-net tap[,vlan=n][,name=str],ifname=name\n"
4062 " connect the host TAP network interface to VLAN 'n'\n"
4064 "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4065 " connect the host TAP network interface to VLAN 'n' and use the\n"
4066 " network scripts 'file' (default=%s)\n"
4067 " and 'dfile' (default=%s);\n"
4068 " use '[down]script=no' to disable script execution;\n"
4069 " use 'fd=h' to connect to an already opened TAP interface\n"
4071 "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n"
4072 " connect the vlan 'n' to another VLAN using a socket connection\n"
4073 "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n"
4074 " connect the vlan 'n' to multicast maddr and port\n"
4076 "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4077 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4078 " on host and listening for incoming connections on 'socketpath'.\n"
4079 " Use group 'groupname' and mode 'octalmode' to change default\n"
4080 " ownership and permissions for communication port.\n"
4082 "-net none use it alone to have zero network devices; if no -net option\n"
4083 " is provided, the default is '-net nic -net user'\n"
4085 "-tftp dir allow tftp access to files in dir [-net user]\n"
4086 "-bootp file advertise file in BOOTP replies\n"
4088 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
4090 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
4091 " redirect TCP or UDP connections from host to guest [-net user]\n"
4094 "-bt hci,null dumb bluetooth HCI - doesn't respond to commands\n"
4095 "-bt hci,host[:id]\n"
4096 " use host's HCI with the given name\n"
4097 "-bt hci[,vlan=n]\n"
4098 " emulate a standard HCI in virtual scatternet 'n'\n"
4099 "-bt vhci[,vlan=n]\n"
4100 " add host computer to virtual scatternet 'n' using VHCI\n"
4101 "-bt device:dev[,vlan=n]\n"
4102 " emulate a bluetooth device 'dev' in scatternet 'n'\n"
4106 "i386 target only:\n"
4107 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4108 "-rtc-td-hack use it to fix time drift in Windows ACPI HAL\n"
4109 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4110 "-no-acpi disable ACPI\n"
4111 "-no-hpet disable HPET\n"
4112 "-acpitable [sig=str][,rev=n][,oem_id=str][,oem_table_id=str][,oem_rev=n][,asl_compiler_id=str][,asl_compiler_rev=n][,data=file1[:file2]...]\n"
4113 " ACPI table description\n"
4115 "Linux boot specific:\n"
4116 "-kernel bzImage use 'bzImage' as kernel image\n"
4117 "-append cmdline use 'cmdline' as kernel command line\n"
4118 "-initrd file use 'file' as initial ram disk\n"
4120 "Debug/Expert options:\n"
4121 "-serial dev redirect the serial port to char device 'dev'\n"
4122 "-parallel dev redirect the parallel port to char device 'dev'\n"
4123 "-monitor dev redirect the monitor to char device 'dev'\n"
4124 "-pidfile file write PID to 'file'\n"
4125 "-S freeze CPU at startup (use 'c' to start execution)\n"
4126 "-s wait gdb connection to port\n"
4127 "-p port set gdb connection port [default=%s]\n"
4128 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
4129 "-hdachs c,h,s[,t]\n"
4130 " force hard disk 0 physical geometry and the optional BIOS\n"
4131 " translation (t=none or lba) (usually qemu can guess them)\n"
4132 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
4133 "-bios file set the filename for the BIOS\n"
4135 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
4136 "-no-kqemu disable KQEMU kernel module usage\n"
4139 "-enable-kvm enable KVM full virtualization support\n"
4142 #ifndef NO_CPU_EMULATION
4143 "-no-kvm disable KVM hardware virtualization\n"
4145 "-no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC\n"
4146 "-no-kvm-pit disable KVM kernel mode PIT\n"
4147 "-no-kvm-pit-reinjection disable KVM kernel mode PIT interrupt reinjection\n"
4148 "-enable-nesting enable support for running a VM inside the VM (AMD only)\n"
4149 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_IA64) || defined(__linux__)
4150 "-pcidevice host=bus:dev.func[,dma=none][,name=string]\n"
4151 " expose a PCI device to the guest OS.\n"
4152 " dma=none: don't perform any dma translations (default is to use an iommu)\n"
4153 " 'string' is used in log output.\n"
4156 "-no-reboot exit instead of rebooting\n"
4157 "-no-shutdown stop before shutdown\n"
4158 "-loadvm [tag|id]\n"
4159 " start right away with a saved state (loadvm in monitor)\n"
4161 "-daemonize daemonize QEMU after initializing\n"
4163 "-tdf inject timer interrupts that got lost\n"
4164 "-kvm-shadow-memory megs set the amount of shadow pages to be allocated\n"
4165 "-mem-path set the path to hugetlbfs/tmpfs mounted directory, also\n"
4166 " enables allocation of guest memory with huge pages\n"
4168 "-mem-prealloc toggles preallocation of -mem-path backed physical memory\n"
4169 " at startup. Default is enabled.\n"
4171 "-option-rom rom load a file, rom, into the option ROM space\n"
4172 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4173 "-prom-env variable=value\n"
4174 " set OpenBIOS nvram variables\n"
4176 "-clock force the use of the given methods for timer alarm.\n"
4177 " To see what timers are available use -clock ?\n"
4178 "-localtime set the real time clock to local time [default=utc]\n"
4179 "-startdate select initial date of the clock\n"
4180 "-icount [N|auto]\n"
4181 " enable virtual instruction counter with 2^N clock ticks per instruction\n"
4182 "-echr chr set terminal escape character instead of ctrl-a\n"
4183 "-virtioconsole c\n"
4184 " set virtio console\n"
4185 "-show-cursor show cursor\n"
4186 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4187 "-semihosting semihosting mode\n"
4189 #if defined(TARGET_ARM)
4190 "-old-param old param mode\n"
4192 "-tb-size n set TB size\n"
4193 "-incoming p prepare for incoming migration, listen on port p\n"
4195 "-chroot dir Chroot to dir just before starting the VM.\n"
4196 "-runas user Change to user id user just before starting the VM.\n"
4199 "During emulation, the following keys are useful:\n"
4200 "ctrl-alt-f toggle full screen\n"
4201 "ctrl-alt-n switch to virtual console 'n'\n"
4202 "ctrl-alt toggle mouse and keyboard grab\n"
4204 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4209 DEFAULT_NETWORK_SCRIPT
,
4210 DEFAULT_NETWORK_DOWN_SCRIPT
,
4212 DEFAULT_GDBSTUB_PORT
,
4217 #define HAS_ARG 0x0001
4220 /* Please keep in synch with help, qemu_options[] and
4222 /* Standard options: */
4235 QEMU_OPTION_mtdblock
,
4239 QEMU_OPTION_snapshot
,
4242 QEMU_OPTION_audio_help
,
4243 QEMU_OPTION_soundhw
,
4245 QEMU_OPTION_usbdevice
,
4249 /* Display options: */
4250 QEMU_OPTION_nographic
,
4252 QEMU_OPTION_no_frame
,
4253 QEMU_OPTION_alt_grab
,
4254 QEMU_OPTION_no_quit
,
4256 QEMU_OPTION_portrait
,
4258 QEMU_OPTION_full_screen
,
4262 /* Network options: */
4270 /* i386 target only: */
4271 QEMU_OPTION_win2k_hack
,
4272 QEMU_OPTION_rtc_td_hack
,
4273 QEMU_OPTION_no_fd_bootchk
,
4274 QEMU_OPTION_no_acpi
,
4275 QEMU_OPTION_no_hpet
,
4276 QEMU_OPTION_acpitable
,
4278 /* Linux boot specific: */
4283 /* Debug/Expert options: */
4285 QEMU_OPTION_parallel
,
4286 QEMU_OPTION_monitor
,
4287 QEMU_OPTION_pidfile
,
4295 QEMU_OPTION_kernel_kqemu
,
4296 QEMU_OPTION_no_kqemu
,
4297 QEMU_OPTION_enable_kvm
,
4298 QEMU_OPTION_enable_nesting
,
4300 QEMU_OPTION_no_kvm_irqchip
,
4301 QEMU_OPTION_no_kvm_pit
,
4302 QEMU_OPTION_no_kvm_pit_reinjection
,
4303 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_IA64) || defined(__linux__)
4304 QEMU_OPTION_pcidevice
,
4306 QEMU_OPTION_no_reboot
,
4307 QEMU_OPTION_no_shutdown
,
4309 QEMU_OPTION_daemonize
,
4310 QEMU_OPTION_option_rom
,
4311 QEMU_OPTION_cpu_vendor
,
4313 QEMU_OPTION_prom_env
,
4315 QEMU_OPTION_localtime
,
4316 QEMU_OPTION_startdate
,
4319 QEMU_OPTION_virtiocon
,
4320 QEMU_OPTION_show_cursor
,
4321 QEMU_OPTION_semihosting
,
4322 QEMU_OPTION_old_param
,
4323 QEMU_OPTION_tb_size
,
4324 QEMU_OPTION_incoming
,
4328 QEMU_OPTION_kvm_shadow_memory
,
4329 QEMU_OPTION_mempath
,
4331 QEMU_OPTION_mem_prealloc
,
4335 typedef struct QEMUOption
{
4341 static const QEMUOption qemu_options
[] = {
4342 /* Please keep in synch with help, QEMU_OPTION_ enums, and
4344 /* Standard options: */
4345 { "h", 0, QEMU_OPTION_h
},
4346 { "help", 0, QEMU_OPTION_h
},
4347 { "M", HAS_ARG
, QEMU_OPTION_M
},
4348 { "cpu", HAS_ARG
, QEMU_OPTION_cpu
},
4349 { "smp", HAS_ARG
, QEMU_OPTION_smp
},
4350 { "fda", HAS_ARG
, QEMU_OPTION_fda
},
4351 { "fdb", HAS_ARG
, QEMU_OPTION_fdb
},
4352 { "hda", HAS_ARG
, QEMU_OPTION_hda
},
4353 { "hdb", HAS_ARG
, QEMU_OPTION_hdb
},
4354 { "hdc", HAS_ARG
, QEMU_OPTION_hdc
},
4355 { "hdd", HAS_ARG
, QEMU_OPTION_hdd
},
4356 { "cdrom", HAS_ARG
, QEMU_OPTION_cdrom
},
4357 { "drive", HAS_ARG
, QEMU_OPTION_drive
},
4358 { "mtdblock", HAS_ARG
, QEMU_OPTION_mtdblock
},
4359 { "sd", HAS_ARG
, QEMU_OPTION_sd
},
4360 { "pflash", HAS_ARG
, QEMU_OPTION_pflash
},
4361 { "boot", HAS_ARG
, QEMU_OPTION_boot
},
4362 { "snapshot", 0, QEMU_OPTION_snapshot
},
4363 { "m", HAS_ARG
, QEMU_OPTION_m
},
4364 { "k", HAS_ARG
, QEMU_OPTION_k
},
4366 { "audio-help", 0, QEMU_OPTION_audio_help
},
4367 { "soundhw", HAS_ARG
, QEMU_OPTION_soundhw
},
4369 { "usb", 0, QEMU_OPTION_usb
},
4370 { "usbdevice", HAS_ARG
, QEMU_OPTION_usbdevice
},
4371 { "name", HAS_ARG
, QEMU_OPTION_name
},
4372 { "uuid", HAS_ARG
, QEMU_OPTION_uuid
},
4374 /* Display options: */
4375 { "nographic", 0, QEMU_OPTION_nographic
},
4376 #ifdef CONFIG_CURSES
4377 { "curses", 0, QEMU_OPTION_curses
},
4380 { "no-frame", 0, QEMU_OPTION_no_frame
},
4381 { "alt-grab", 0, QEMU_OPTION_alt_grab
},
4382 { "no-quit", 0, QEMU_OPTION_no_quit
},
4383 { "sdl", 0, QEMU_OPTION_sdl
},
4385 { "portrait", 0, QEMU_OPTION_portrait
},
4386 { "vga", HAS_ARG
, QEMU_OPTION_vga
},
4387 { "full-screen", 0, QEMU_OPTION_full_screen
},
4388 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4389 { "g", 1, QEMU_OPTION_g
},
4391 { "vnc", HAS_ARG
, QEMU_OPTION_vnc
},
4393 /* Network options: */
4394 { "net", HAS_ARG
, QEMU_OPTION_net
},
4396 { "tftp", HAS_ARG
, QEMU_OPTION_tftp
},
4397 { "bootp", HAS_ARG
, QEMU_OPTION_bootp
},
4399 { "smb", HAS_ARG
, QEMU_OPTION_smb
},
4401 { "redir", HAS_ARG
, QEMU_OPTION_redir
},
4403 { "bt", HAS_ARG
, QEMU_OPTION_bt
},
4405 /* i386 target only: */
4406 { "win2k-hack", 0, QEMU_OPTION_win2k_hack
},
4407 { "rtc-td-hack", 0, QEMU_OPTION_rtc_td_hack
},
4408 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk
},
4409 { "no-acpi", 0, QEMU_OPTION_no_acpi
},
4410 { "no-hpet", 0, QEMU_OPTION_no_hpet
},
4411 { "acpitable", HAS_ARG
, QEMU_OPTION_acpitable
},
4414 /* Linux boot specific: */
4415 { "kernel", HAS_ARG
, QEMU_OPTION_kernel
},
4416 { "append", HAS_ARG
, QEMU_OPTION_append
},
4417 { "initrd", HAS_ARG
, QEMU_OPTION_initrd
},
4419 /* Debug/Expert options: */
4420 { "serial", HAS_ARG
, QEMU_OPTION_serial
},
4421 { "parallel", HAS_ARG
, QEMU_OPTION_parallel
},
4422 { "monitor", HAS_ARG
, QEMU_OPTION_monitor
},
4423 { "pidfile", HAS_ARG
, QEMU_OPTION_pidfile
},
4424 { "S", 0, QEMU_OPTION_S
},
4425 { "s", 0, QEMU_OPTION_s
},
4426 { "p", HAS_ARG
, QEMU_OPTION_p
},
4427 { "d", HAS_ARG
, QEMU_OPTION_d
},
4428 { "hdachs", HAS_ARG
, QEMU_OPTION_hdachs
},
4429 { "L", HAS_ARG
, QEMU_OPTION_L
},
4430 { "bios", HAS_ARG
, QEMU_OPTION_bios
},
4432 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu
},
4433 { "no-kqemu", 0, QEMU_OPTION_no_kqemu
},
4436 { "enable-kvm", 0, QEMU_OPTION_enable_kvm
},
4439 #ifndef NO_CPU_EMULATION
4440 { "no-kvm", 0, QEMU_OPTION_no_kvm
},
4442 { "no-kvm-irqchip", 0, QEMU_OPTION_no_kvm_irqchip
},
4443 { "no-kvm-pit", 0, QEMU_OPTION_no_kvm_pit
},
4444 { "no-kvm-pit-reinjection", 0, QEMU_OPTION_no_kvm_pit_reinjection
},
4445 { "enable-nesting", 0, QEMU_OPTION_enable_nesting
},
4446 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_IA64) || defined(__linux__)
4447 { "pcidevice", HAS_ARG
, QEMU_OPTION_pcidevice
},
4450 { "no-reboot", 0, QEMU_OPTION_no_reboot
},
4451 { "no-shutdown", 0, QEMU_OPTION_no_shutdown
},
4452 { "loadvm", HAS_ARG
, QEMU_OPTION_loadvm
},
4453 { "daemonize", 0, QEMU_OPTION_daemonize
},
4454 { "option-rom", HAS_ARG
, QEMU_OPTION_option_rom
},
4455 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4456 { "prom-env", HAS_ARG
, QEMU_OPTION_prom_env
},
4458 { "clock", HAS_ARG
, QEMU_OPTION_clock
},
4459 { "localtime", 0, QEMU_OPTION_localtime
},
4460 { "startdate", HAS_ARG
, QEMU_OPTION_startdate
},
4461 { "icount", HAS_ARG
, QEMU_OPTION_icount
},
4462 { "echr", HAS_ARG
, QEMU_OPTION_echr
},
4463 { "virtioconsole", HAS_ARG
, QEMU_OPTION_virtiocon
},
4464 { "show-cursor", 0, QEMU_OPTION_show_cursor
},
4465 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4466 { "semihosting", 0, QEMU_OPTION_semihosting
},
4468 { "tdf", 0, QEMU_OPTION_tdf
}, /* enable time drift fix */
4469 { "kvm-shadow-memory", HAS_ARG
, QEMU_OPTION_kvm_shadow_memory
},
4470 { "nvram", HAS_ARG
, QEMU_OPTION_nvram
},
4471 { "cpu-vendor", HAS_ARG
, QEMU_OPTION_cpu_vendor
},
4472 #if defined(TARGET_ARM)
4473 { "old-param", 0, QEMU_OPTION_old_param
},
4475 { "tb-size", HAS_ARG
, QEMU_OPTION_tb_size
},
4476 { "incoming", HAS_ARG
, QEMU_OPTION_incoming
},
4477 { "chroot", HAS_ARG
, QEMU_OPTION_chroot
},
4478 { "runas", HAS_ARG
, QEMU_OPTION_runas
},
4479 { "mem-path", HAS_ARG
, QEMU_OPTION_mempath
},
4481 { "mem-prealloc", 0, QEMU_OPTION_mem_prealloc
},
4487 struct soundhw soundhw
[] = {
4488 #ifdef HAS_AUDIO_CHOICE
4489 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4495 { .init_isa
= pcspk_audio_init
}
4502 "Creative Sound Blaster 16",
4505 { .init_isa
= SB16_init
}
4509 #ifdef CONFIG_CS4231A
4515 { .init_isa
= cs4231a_init
}
4523 "Yamaha YMF262 (OPL3)",
4525 "Yamaha YM3812 (OPL2)",
4529 { .init_isa
= Adlib_init
}
4536 "Gravis Ultrasound GF1",
4539 { .init_isa
= GUS_init
}
4546 "Intel 82801AA AC97 Audio",
4549 { .init_pci
= ac97_init
}
4553 #ifdef CONFIG_ES1370
4556 "ENSONIQ AudioPCI ES1370",
4559 { .init_pci
= es1370_init
}
4563 #endif /* HAS_AUDIO_CHOICE */
4565 { NULL
, NULL
, 0, 0, { NULL
} }
4568 static void select_soundhw (const char *optarg
)
4572 if (*optarg
== '?') {
4575 printf ("Valid sound card names (comma separated):\n");
4576 for (c
= soundhw
; c
->name
; ++c
) {
4577 printf ("%-11s %s\n", c
->name
, c
->descr
);
4579 printf ("\n-soundhw all will enable all of the above\n");
4580 exit (*optarg
!= '?');
4588 if (!strcmp (optarg
, "all")) {
4589 for (c
= soundhw
; c
->name
; ++c
) {
4597 e
= strchr (p
, ',');
4598 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4600 for (c
= soundhw
; c
->name
; ++c
) {
4601 if (!strncmp (c
->name
, p
, l
)) {
4610 "Unknown sound card name (too big to show)\n");
4613 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4618 p
+= l
+ (e
!= NULL
);
4622 goto show_valid_cards
;
4627 static void select_vgahw (const char *p
)
4631 if (strstart(p
, "std", &opts
)) {
4632 std_vga_enabled
= 1;
4633 cirrus_vga_enabled
= 0;
4635 } else if (strstart(p
, "cirrus", &opts
)) {
4636 cirrus_vga_enabled
= 1;
4637 std_vga_enabled
= 0;
4639 } else if (strstart(p
, "vmware", &opts
)) {
4640 cirrus_vga_enabled
= 0;
4641 std_vga_enabled
= 0;
4643 } else if (strstart(p
, "none", &opts
)) {
4644 cirrus_vga_enabled
= 0;
4645 std_vga_enabled
= 0;
4649 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4653 const char *nextopt
;
4655 if (strstart(opts
, ",retrace=", &nextopt
)) {
4657 if (strstart(opts
, "dumb", &nextopt
))
4658 vga_retrace_method
= VGA_RETRACE_DUMB
;
4659 else if (strstart(opts
, "precise", &nextopt
))
4660 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4661 else goto invalid_vga
;
4662 } else goto invalid_vga
;
4668 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4670 exit(STATUS_CONTROL_C_EXIT
);
4675 static int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4679 if(strlen(str
) != 36)
4682 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4683 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4684 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4692 #define MAX_NET_CLIENTS 32
4694 static int saved_argc
;
4695 static char **saved_argv
;
4697 void qemu_get_launch_info(int *argc
, char ***argv
, int *opt_daemonize
, const char **opt_incoming
)
4701 *opt_daemonize
= daemonize
;
4702 *opt_incoming
= incoming
;
4706 static int gethugepagesize(void)
4710 const char *needle
= "Hugepagesize:";
4712 unsigned long hugepagesize
;
4714 fd
= open("/proc/meminfo", O_RDONLY
);
4720 ret
= read(fd
, buf
, sizeof(buf
));
4726 size
= strstr(buf
, needle
);
4729 size
+= strlen(needle
);
4730 hugepagesize
= strtol(size
, NULL
, 0);
4731 return hugepagesize
;
4734 static void *alloc_mem_area(size_t memory
, unsigned long *len
, const char *path
)
4743 if (!kvm_has_sync_mmu()) {
4744 fprintf(stderr
, "host lacks mmu notifiers, disabling --mem-path\n");
4748 if (asprintf(&filename
, "%s/kvm.XXXXXX", path
) == -1)
4751 hpagesize
= gethugepagesize() * 1024;
4755 fd
= mkstemp(filename
);
4764 memory
= (memory
+hpagesize
-1) & ~(hpagesize
-1);
4767 * ftruncate is not supported by hugetlbfs in older
4768 * hosts, so don't bother checking for errors.
4769 * If anything goes wrong with it under other filesystems,
4772 ftruncate(fd
, memory
);
4775 /* NB: MAP_POPULATE won't exhaustively alloc all phys pages in the case
4776 * MAP_PRIVATE is requested. For mem_prealloc we mmap as MAP_SHARED
4777 * to sidestep this quirk.
4779 flags
= mem_prealloc
? MAP_POPULATE
|MAP_SHARED
: MAP_PRIVATE
;
4780 area
= mmap(0, memory
, PROT_READ
|PROT_WRITE
, flags
, fd
, 0);
4782 area
= mmap(0, memory
, PROT_READ
|PROT_WRITE
, MAP_PRIVATE
, fd
, 0);
4784 if (area
== MAP_FAILED
) {
4785 perror("alloc_mem_area: can't mmap hugetlbfs pages");
4794 static void *qemu_alloc_physram(unsigned long memory
)
4798 unsigned long map_len
= memory
;
4801 area
= alloc_mem_area(memory
, &map_len
, mem_path
);
4804 area
= qemu_vmalloc(memory
);
4806 if (kvm_setup_guest_memory(area
, map_len
))
4814 static void termsig_handler(int signal
)
4816 qemu_system_shutdown_request();
4819 static void termsig_setup(void)
4821 struct sigaction act
;
4823 memset(&act
, 0, sizeof(act
));
4824 act
.sa_handler
= termsig_handler
;
4825 sigaction(SIGINT
, &act
, NULL
);
4826 sigaction(SIGHUP
, &act
, NULL
);
4827 sigaction(SIGTERM
, &act
, NULL
);
4832 int main(int argc
, char **argv
, char **envp
)
4834 #ifdef CONFIG_GDBSTUB
4836 const char *gdbstub_port
;
4838 uint32_t boot_devices_bitmap
= 0;
4840 int snapshot
, linux_boot
, net_boot
;
4841 const char *initrd_filename
;
4842 const char *kernel_filename
, *kernel_cmdline
;
4843 const char *boot_devices
= "";
4845 DisplayChangeListener
*dcl
;
4846 int cyls
, heads
, secs
, translation
;
4847 const char *net_clients
[MAX_NET_CLIENTS
];
4849 const char *bt_opts
[MAX_BT_CMDLINE
];
4853 const char *r
, *optarg
;
4854 CharDriverState
*monitor_hd
= NULL
;
4855 const char *monitor_device
;
4856 const char *serial_devices
[MAX_SERIAL_PORTS
];
4857 int serial_device_index
;
4858 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4859 int parallel_device_index
;
4860 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
4861 int virtio_console_index
;
4862 const char *loadvm
= NULL
;
4863 QEMUMachine
*machine
;
4864 const char *cpu_model
;
4865 const char *usb_devices
[MAX_USB_CMDLINE
];
4866 int usb_devices_index
;
4869 const char *pid_file
= NULL
;
4870 const char *incoming
= NULL
;
4872 struct passwd
*pwd
= NULL
;
4873 const char *chroot_dir
= NULL
;
4874 const char *run_as
= NULL
;
4876 qemu_cache_utils_init(envp
);
4878 LIST_INIT (&vm_change_state_head
);
4881 struct sigaction act
;
4882 sigfillset(&act
.sa_mask
);
4884 act
.sa_handler
= SIG_IGN
;
4885 sigaction(SIGPIPE
, &act
, NULL
);
4888 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
4889 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4890 QEMU to run on a single CPU */
4895 h
= GetCurrentProcess();
4896 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
4897 for(i
= 0; i
< 32; i
++) {
4898 if (mask
& (1 << i
))
4903 SetProcessAffinityMask(h
, mask
);
4909 register_machines();
4910 machine
= first_machine
;
4912 initrd_filename
= NULL
;
4914 vga_ram_size
= VGA_RAM_SIZE
;
4915 #ifdef CONFIG_GDBSTUB
4917 gdbstub_port
= DEFAULT_GDBSTUB_PORT
;
4922 kernel_filename
= NULL
;
4923 kernel_cmdline
= "";
4924 cyls
= heads
= secs
= 0;
4925 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4926 monitor_device
= "vc:80Cx24C";
4928 serial_devices
[0] = "vc:80Cx24C";
4929 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
4930 serial_devices
[i
] = NULL
;
4931 serial_device_index
= 0;
4933 parallel_devices
[0] = "vc:80Cx24C";
4934 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
4935 parallel_devices
[i
] = NULL
;
4936 parallel_device_index
= 0;
4938 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++)
4939 virtio_consoles
[i
] = NULL
;
4940 virtio_console_index
= 0;
4942 usb_devices_index
= 0;
4943 assigned_devices_index
= 0;
4962 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
4964 const QEMUOption
*popt
;
4967 /* Treat --foo the same as -foo. */
4970 popt
= qemu_options
;
4973 fprintf(stderr
, "%s: invalid option -- '%s'\n",
4977 if (!strcmp(popt
->name
, r
+ 1))
4981 if (popt
->flags
& HAS_ARG
) {
4982 if (optind
>= argc
) {
4983 fprintf(stderr
, "%s: option '%s' requires an argument\n",
4987 optarg
= argv
[optind
++];
4992 switch(popt
->index
) {
4994 machine
= find_machine(optarg
);
4997 printf("Supported machines are:\n");
4998 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
4999 printf("%-10s %s%s\n",
5001 m
== first_machine
? " (default)" : "");
5003 exit(*optarg
!= '?');
5006 case QEMU_OPTION_cpu
:
5007 /* hw initialization will check this */
5008 if (*optarg
== '?') {
5009 /* XXX: implement xxx_cpu_list for targets that still miss it */
5010 #if defined(cpu_list)
5011 cpu_list(stdout
, &fprintf
);
5018 case QEMU_OPTION_initrd
:
5019 initrd_filename
= optarg
;
5021 case QEMU_OPTION_hda
:
5023 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
5025 hda_index
= drive_add(optarg
, HD_ALIAS
5026 ",cyls=%d,heads=%d,secs=%d%s",
5027 0, cyls
, heads
, secs
,
5028 translation
== BIOS_ATA_TRANSLATION_LBA
?
5030 translation
== BIOS_ATA_TRANSLATION_NONE
?
5031 ",trans=none" : "");
5033 case QEMU_OPTION_hdb
:
5034 case QEMU_OPTION_hdc
:
5035 case QEMU_OPTION_hdd
:
5036 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
5038 case QEMU_OPTION_drive
:
5039 drive_add(NULL
, "%s", optarg
);
5041 case QEMU_OPTION_mtdblock
:
5042 drive_add(optarg
, MTD_ALIAS
);
5044 case QEMU_OPTION_sd
:
5045 drive_add(optarg
, SD_ALIAS
);
5047 case QEMU_OPTION_pflash
:
5048 drive_add(optarg
, PFLASH_ALIAS
);
5050 case QEMU_OPTION_snapshot
:
5053 case QEMU_OPTION_hdachs
:
5057 cyls
= strtol(p
, (char **)&p
, 0);
5058 if (cyls
< 1 || cyls
> 16383)
5063 heads
= strtol(p
, (char **)&p
, 0);
5064 if (heads
< 1 || heads
> 16)
5069 secs
= strtol(p
, (char **)&p
, 0);
5070 if (secs
< 1 || secs
> 63)
5074 if (!strcmp(p
, "none"))
5075 translation
= BIOS_ATA_TRANSLATION_NONE
;
5076 else if (!strcmp(p
, "lba"))
5077 translation
= BIOS_ATA_TRANSLATION_LBA
;
5078 else if (!strcmp(p
, "auto"))
5079 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5082 } else if (*p
!= '\0') {
5084 fprintf(stderr
, "qemu: invalid physical CHS format\n");
5087 if (hda_index
!= -1)
5088 snprintf(drives_opt
[hda_index
].opt
,
5089 sizeof(drives_opt
[hda_index
].opt
),
5090 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
5091 0, cyls
, heads
, secs
,
5092 translation
== BIOS_ATA_TRANSLATION_LBA
?
5094 translation
== BIOS_ATA_TRANSLATION_NONE
?
5095 ",trans=none" : "");
5098 case QEMU_OPTION_nographic
:
5101 #ifdef CONFIG_CURSES
5102 case QEMU_OPTION_curses
:
5106 case QEMU_OPTION_portrait
:
5109 case QEMU_OPTION_kernel
:
5110 kernel_filename
= optarg
;
5112 case QEMU_OPTION_append
:
5113 kernel_cmdline
= optarg
;
5115 case QEMU_OPTION_cdrom
:
5116 drive_add(optarg
, CDROM_ALIAS
);
5118 case QEMU_OPTION_boot
:
5119 boot_devices
= optarg
;
5120 /* We just do some generic consistency checks */
5122 /* Could easily be extended to 64 devices if needed */
5125 boot_devices_bitmap
= 0;
5126 for (p
= boot_devices
; *p
!= '\0'; p
++) {
5127 /* Allowed boot devices are:
5128 * a b : floppy disk drives
5129 * c ... f : IDE disk drives
5130 * g ... m : machine implementation dependant drives
5131 * n ... p : network devices
5132 * It's up to each machine implementation to check
5133 * if the given boot devices match the actual hardware
5134 * implementation and firmware features.
5136 if (*p
< 'a' || *p
> 'q') {
5137 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
5140 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
5142 "Boot device '%c' was given twice\n",*p
);
5145 boot_devices_bitmap
|= 1 << (*p
- 'a');
5149 case QEMU_OPTION_fda
:
5150 case QEMU_OPTION_fdb
:
5151 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
5154 case QEMU_OPTION_no_fd_bootchk
:
5158 case QEMU_OPTION_net
:
5159 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
5160 fprintf(stderr
, "qemu: too many network clients\n");
5163 net_clients
[nb_net_clients
] = optarg
;
5167 case QEMU_OPTION_tftp
:
5168 tftp_prefix
= optarg
;
5170 case QEMU_OPTION_bootp
:
5171 bootp_filename
= optarg
;
5174 case QEMU_OPTION_smb
:
5175 net_slirp_smb(optarg
);
5178 case QEMU_OPTION_redir
:
5179 net_slirp_redir(optarg
);
5182 case QEMU_OPTION_bt
:
5183 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
5184 fprintf(stderr
, "qemu: too many bluetooth options\n");
5187 bt_opts
[nb_bt_opts
++] = optarg
;
5190 case QEMU_OPTION_audio_help
:
5194 case QEMU_OPTION_soundhw
:
5195 select_soundhw (optarg
);
5201 case QEMU_OPTION_m
: {
5205 value
= strtoul(optarg
, &ptr
, 10);
5207 case 0: case 'M': case 'm':
5214 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
5218 /* On 32-bit hosts, QEMU is limited by virtual address space */
5219 if (value
> (2047 << 20)
5221 && HOST_LONG_BITS
== 32
5224 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
5227 if (value
!= (uint64_t)(ram_addr_t
)value
) {
5228 fprintf(stderr
, "qemu: ram size too large\n");
5237 const CPULogItem
*item
;
5239 mask
= cpu_str_to_log_mask(optarg
);
5241 printf("Log items (comma separated):\n");
5242 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5243 printf("%-10s %s\n", item
->name
, item
->help
);
5250 #ifdef CONFIG_GDBSTUB
5255 gdbstub_port
= optarg
;
5261 case QEMU_OPTION_bios
:
5268 keyboard_layout
= optarg
;
5270 case QEMU_OPTION_localtime
:
5273 case QEMU_OPTION_vga
:
5274 select_vgahw (optarg
);
5281 w
= strtol(p
, (char **)&p
, 10);
5284 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5290 h
= strtol(p
, (char **)&p
, 10);
5295 depth
= strtol(p
, (char **)&p
, 10);
5296 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5297 depth
!= 24 && depth
!= 32)
5299 } else if (*p
== '\0') {
5300 depth
= graphic_depth
;
5307 graphic_depth
= depth
;
5310 case QEMU_OPTION_echr
:
5313 term_escape_char
= strtol(optarg
, &r
, 0);
5315 printf("Bad argument to echr\n");
5318 case QEMU_OPTION_monitor
:
5319 monitor_device
= optarg
;
5321 case QEMU_OPTION_serial
:
5322 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5323 fprintf(stderr
, "qemu: too many serial ports\n");
5326 serial_devices
[serial_device_index
] = optarg
;
5327 serial_device_index
++;
5329 case QEMU_OPTION_virtiocon
:
5330 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
5331 fprintf(stderr
, "qemu: too many virtio consoles\n");
5334 virtio_consoles
[virtio_console_index
] = optarg
;
5335 virtio_console_index
++;
5337 case QEMU_OPTION_parallel
:
5338 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5339 fprintf(stderr
, "qemu: too many parallel ports\n");
5342 parallel_devices
[parallel_device_index
] = optarg
;
5343 parallel_device_index
++;
5345 case QEMU_OPTION_loadvm
:
5348 case QEMU_OPTION_full_screen
:
5352 case QEMU_OPTION_no_frame
:
5355 case QEMU_OPTION_alt_grab
:
5358 case QEMU_OPTION_no_quit
:
5361 case QEMU_OPTION_sdl
:
5365 case QEMU_OPTION_pidfile
:
5369 case QEMU_OPTION_win2k_hack
:
5370 win2k_install_hack
= 1;
5372 case QEMU_OPTION_rtc_td_hack
:
5375 case QEMU_OPTION_acpitable
:
5376 if(acpi_table_add(optarg
) < 0) {
5377 fprintf(stderr
, "Wrong acpi table provided\n");
5383 case QEMU_OPTION_no_kqemu
:
5386 case QEMU_OPTION_kernel_kqemu
:
5391 case QEMU_OPTION_enable_kvm
:
5399 case QEMU_OPTION_no_kvm
:
5402 case QEMU_OPTION_no_kvm_irqchip
: {
5407 case QEMU_OPTION_no_kvm_pit
: {
5411 case QEMU_OPTION_no_kvm_pit_reinjection
: {
5412 kvm_pit_reinject
= 0;
5415 case QEMU_OPTION_enable_nesting
: {
5419 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_IA64) || defined(__linux__)
5420 case QEMU_OPTION_pcidevice
:
5421 if (assigned_devices_index
>= MAX_DEV_ASSIGN_CMDLINE
) {
5422 fprintf(stderr
, "Too many assigned devices\n");
5425 assigned_devices
[assigned_devices_index
] = optarg
;
5426 assigned_devices_index
++;
5430 case QEMU_OPTION_usb
:
5433 case QEMU_OPTION_usbdevice
:
5435 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5436 fprintf(stderr
, "Too many USB devices\n");
5439 usb_devices
[usb_devices_index
] = optarg
;
5440 usb_devices_index
++;
5442 case QEMU_OPTION_smp
:
5443 smp_cpus
= atoi(optarg
);
5445 fprintf(stderr
, "Invalid number of CPUs\n");
5449 case QEMU_OPTION_vnc
:
5450 vnc_display
= optarg
;
5452 case QEMU_OPTION_no_acpi
:
5455 case QEMU_OPTION_no_hpet
:
5458 case QEMU_OPTION_no_reboot
:
5461 case QEMU_OPTION_no_shutdown
:
5464 case QEMU_OPTION_show_cursor
:
5467 case QEMU_OPTION_uuid
:
5468 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5469 fprintf(stderr
, "Fail to parse UUID string."
5470 " Wrong format.\n");
5474 case QEMU_OPTION_daemonize
:
5477 case QEMU_OPTION_option_rom
:
5478 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5479 fprintf(stderr
, "Too many option ROMs\n");
5482 option_rom
[nb_option_roms
] = optarg
;
5485 case QEMU_OPTION_semihosting
:
5486 semihosting_enabled
= 1;
5488 case QEMU_OPTION_tdf
:
5491 case QEMU_OPTION_kvm_shadow_memory
:
5492 kvm_shadow_memory
= (int64_t)atoi(optarg
) * 1024 * 1024 / 4096;
5494 case QEMU_OPTION_mempath
:
5498 case QEMU_OPTION_mem_prealloc
:
5499 mem_prealloc
= !mem_prealloc
;
5502 case QEMU_OPTION_name
:
5505 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5506 case QEMU_OPTION_prom_env
:
5507 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5508 fprintf(stderr
, "Too many prom variables\n");
5511 prom_envs
[nb_prom_envs
] = optarg
;
5515 case QEMU_OPTION_cpu_vendor
:
5516 cpu_vendor_string
= optarg
;
5519 case QEMU_OPTION_old_param
:
5523 case QEMU_OPTION_clock
:
5524 configure_alarms(optarg
);
5526 case QEMU_OPTION_startdate
:
5529 time_t rtc_start_date
;
5530 if (!strcmp(optarg
, "now")) {
5531 rtc_date_offset
= -1;
5533 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5541 } else if (sscanf(optarg
, "%d-%d-%d",
5544 &tm
.tm_mday
) == 3) {
5553 rtc_start_date
= mktimegm(&tm
);
5554 if (rtc_start_date
== -1) {
5556 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5557 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5560 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5564 case QEMU_OPTION_tb_size
:
5565 tb_size
= strtol(optarg
, NULL
, 0);
5569 case QEMU_OPTION_icount
:
5571 if (strcmp(optarg
, "auto") == 0) {
5572 icount_time_shift
= -1;
5574 icount_time_shift
= strtol(optarg
, NULL
, 0);
5577 case QEMU_OPTION_incoming
:
5580 case QEMU_OPTION_chroot
:
5581 chroot_dir
= optarg
;
5583 case QEMU_OPTION_runas
:
5585 case QEMU_OPTION_nvram
:
5592 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5593 if (kvm_allowed
&& kqemu_allowed
) {
5595 "You can not enable both KVM and kqemu at the same time\n");
5600 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5601 if (smp_cpus
> machine
->max_cpus
) {
5602 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5603 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5609 if (serial_device_index
== 0)
5610 serial_devices
[0] = "stdio";
5611 if (parallel_device_index
== 0)
5612 parallel_devices
[0] = "null";
5613 if (strncmp(monitor_device
, "vc", 2) == 0)
5614 monitor_device
= "stdio";
5621 if (pipe(fds
) == -1)
5632 len
= read(fds
[0], &status
, 1);
5633 if (len
== -1 && (errno
== EINTR
))
5638 else if (status
== 1) {
5639 fprintf(stderr
, "Could not acquire pidfile\n");
5656 signal(SIGTSTP
, SIG_IGN
);
5657 signal(SIGTTOU
, SIG_IGN
);
5658 signal(SIGTTIN
, SIG_IGN
);
5663 if (kvm_enabled()) {
5664 if (kvm_qemu_init() < 0) {
5665 fprintf(stderr
, "Could not initialize KVM, will disable KVM support\n");
5666 #ifdef NO_CPU_EMULATION
5667 fprintf(stderr
, "Compiled with --disable-cpu-emulation, exiting.\n");
5675 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5678 write(fds
[1], &status
, 1);
5680 fprintf(stderr
, "Could not acquire pid file\n");
5688 linux_boot
= (kernel_filename
!= NULL
);
5689 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5691 if (!linux_boot
&& net_boot
== 0 &&
5692 !machine
->nodisk_ok
&& nb_drives_opt
== 0)
5695 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5696 fprintf(stderr
, "-append only allowed with -kernel option\n");
5700 if (!linux_boot
&& initrd_filename
!= NULL
) {
5701 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5705 /* boot to floppy or the default cd if no hard disk defined yet */
5706 if (!boot_devices
[0]) {
5707 boot_devices
= "cad";
5709 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5712 if (init_timer_alarm() < 0) {
5713 fprintf(stderr
, "could not initialize alarm timer\n");
5716 if (use_icount
&& icount_time_shift
< 0) {
5718 /* 125MIPS seems a reasonable initial guess at the guest speed.
5719 It will be corrected fairly quickly anyway. */
5720 icount_time_shift
= 3;
5721 init_icount_adjust();
5728 /* init network clients */
5729 if (nb_net_clients
== 0) {
5730 /* if no clients, we use a default config */
5731 net_clients
[nb_net_clients
++] = "nic";
5733 net_clients
[nb_net_clients
++] = "user";
5737 for(i
= 0;i
< nb_net_clients
; i
++) {
5738 if (net_client_parse(net_clients
[i
]) < 0)
5744 /* XXX: this should be moved in the PC machine instantiation code */
5745 if (net_boot
!= 0) {
5747 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
5748 const char *model
= nd_table
[i
].model
;
5750 if (net_boot
& (1 << i
)) {
5753 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
5754 if (get_image_size(buf
) > 0) {
5755 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5756 fprintf(stderr
, "Too many option ROMs\n");
5759 option_rom
[nb_option_roms
] = strdup(buf
);
5766 fprintf(stderr
, "No valid PXE rom found for network device\n");
5772 /* init the bluetooth world */
5773 for (i
= 0; i
< nb_bt_opts
; i
++)
5774 if (bt_parse(bt_opts
[i
]))
5777 /* init the memory */
5778 phys_ram_size
= machine
->ram_require
& ~RAMSIZE_FIXED
;
5780 if (machine
->ram_require
& RAMSIZE_FIXED
) {
5782 if (ram_size
< phys_ram_size
) {
5783 fprintf(stderr
, "Machine `%s' requires %llu bytes of memory\n",
5784 machine
->name
, (unsigned long long) phys_ram_size
);
5788 phys_ram_size
= ram_size
;
5790 ram_size
= phys_ram_size
;
5793 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5795 phys_ram_size
+= ram_size
;
5798 /* Initialize kvm */
5799 #if defined(TARGET_I386) || defined(TARGET_X86_64)
5800 #define KVM_EXTRA_PAGES 3
5802 #define KVM_EXTRA_PAGES 0
5804 if (kvm_enabled()) {
5805 phys_ram_size
+= KVM_EXTRA_PAGES
* TARGET_PAGE_SIZE
;
5806 if (kvm_qemu_create_context() < 0) {
5807 fprintf(stderr
, "Could not create KVM context\n");
5812 phys_ram_base
= qemu_alloc_physram(phys_ram_size
);
5813 if (!phys_ram_base
) {
5814 fprintf(stderr
, "Could not allocate physical memory\n");
5818 /* init the dynamic translator */
5819 cpu_exec_init_all(tb_size
* 1024 * 1024);
5824 /* we always create the cdrom drive, even if no disk is there */
5826 if (nb_drives_opt
< MAX_DRIVES
)
5827 drive_add(NULL
, CDROM_ALIAS
);
5829 /* we always create at least one floppy */
5831 if (nb_drives_opt
< MAX_DRIVES
)
5832 drive_add(NULL
, FD_ALIAS
, 0);
5834 /* we always create one sd slot, even if no card is in it */
5836 if (nb_drives_opt
< MAX_DRIVES
)
5837 drive_add(NULL
, SD_ALIAS
);
5839 /* open the virtual block devices
5840 * note that migration with device
5841 * hot add/remove is broken.
5843 for(i
= 0; i
< nb_drives_opt
; i
++)
5844 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5847 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5848 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5851 /* must be after terminal init, SDL library changes signal handlers */
5855 /* Maintain compatibility with multiple stdio monitors */
5856 if (!strcmp(monitor_device
,"stdio")) {
5857 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5858 const char *devname
= serial_devices
[i
];
5859 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5860 monitor_device
= NULL
;
5862 } else if (devname
&& !strcmp(devname
,"stdio")) {
5863 monitor_device
= NULL
;
5864 serial_devices
[i
] = "mon:stdio";
5871 if (kvm_enabled()) {
5874 ret
= kvm_init(smp_cpus
);
5876 fprintf(stderr
, "failed to initialize KVM\n");
5882 if (monitor_device
) {
5883 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
5885 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
5890 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5891 const char *devname
= serial_devices
[i
];
5892 if (devname
&& strcmp(devname
, "none")) {
5894 snprintf(label
, sizeof(label
), "serial%d", i
);
5895 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5896 if (!serial_hds
[i
]) {
5897 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
5904 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5905 const char *devname
= parallel_devices
[i
];
5906 if (devname
&& strcmp(devname
, "none")) {
5908 snprintf(label
, sizeof(label
), "parallel%d", i
);
5909 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5910 if (!parallel_hds
[i
]) {
5911 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
5918 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5919 const char *devname
= virtio_consoles
[i
];
5920 if (devname
&& strcmp(devname
, "none")) {
5922 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5923 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5924 if (!virtcon_hds
[i
]) {
5925 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
5935 machine
->init(ram_size
, vga_ram_size
, boot_devices
,
5936 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
5938 current_machine
= machine
;
5940 /* Set KVM's vcpu state to qemu's initial CPUState. */
5941 if (kvm_enabled()) {
5944 ret
= kvm_sync_vcpus();
5946 fprintf(stderr
, "failed to initialize vcpus\n");
5951 /* init USB devices */
5953 for(i
= 0; i
< usb_devices_index
; i
++) {
5954 if (usb_device_add(usb_devices
[i
], 0) < 0) {
5955 fprintf(stderr
, "Warning: could not add USB device %s\n",
5962 dumb_display_init();
5963 /* just use the first displaystate for the moment */
5968 fprintf(stderr
, "fatal: -nographic can't be used with -curses\n");
5972 #if defined(CONFIG_CURSES)
5974 /* At the moment curses cannot be used with other displays */
5975 curses_display_init(ds
, full_screen
);
5979 if (vnc_display
!= NULL
) {
5980 vnc_display_init(ds
);
5981 if (vnc_display_open(ds
, vnc_display
) < 0)
5984 #if defined(CONFIG_SDL)
5985 if (sdl
|| !vnc_display
)
5986 sdl_display_init(ds
, full_screen
, no_frame
);
5987 #elif defined(CONFIG_COCOA)
5988 if (sdl
|| !vnc_display
)
5989 cocoa_display_init(ds
, full_screen
);
5995 dcl
= ds
->listeners
;
5996 while (dcl
!= NULL
) {
5997 if (dcl
->dpy_refresh
!= NULL
) {
5998 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
5999 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
6004 if (nographic
|| (vnc_display
&& !sdl
)) {
6005 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
6006 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
6009 text_consoles_set_display(display_state
);
6010 qemu_chr_initial_reset();
6012 if (monitor_device
&& monitor_hd
)
6013 monitor_init(monitor_hd
, !nographic
);
6015 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6016 const char *devname
= serial_devices
[i
];
6017 if (devname
&& strcmp(devname
, "none")) {
6019 snprintf(label
, sizeof(label
), "serial%d", i
);
6020 if (strstart(devname
, "vc", 0))
6021 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
6025 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6026 const char *devname
= parallel_devices
[i
];
6027 if (devname
&& strcmp(devname
, "none")) {
6029 snprintf(label
, sizeof(label
), "parallel%d", i
);
6030 if (strstart(devname
, "vc", 0))
6031 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
6035 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
6036 const char *devname
= virtio_consoles
[i
];
6037 if (virtcon_hds
[i
] && devname
) {
6039 snprintf(label
, sizeof(label
), "virtcon%d", i
);
6040 if (strstart(devname
, "vc", 0))
6041 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
6045 #ifdef CONFIG_GDBSTUB
6047 /* XXX: use standard host:port notation and modify options
6049 if (gdbserver_start(gdbstub_port
) < 0) {
6050 fprintf(stderr
, "qemu: could not open gdbstub device on port '%s'\n",
6061 autostart
= 0; /* fixme how to deal with -daemonize */
6062 qemu_start_incoming_migration(incoming
);
6073 len
= write(fds
[1], &status
, 1);
6074 if (len
== -1 && (errno
== EINTR
))
6081 TFR(fd
= open("/dev/null", O_RDWR
));
6088 pwd
= getpwnam(run_as
);
6090 fprintf(stderr
, "User \"%s\" doesn't exist\n", run_as
);
6096 if (chroot(chroot_dir
) < 0) {
6097 fprintf(stderr
, "chroot failed\n");
6104 if (setgid(pwd
->pw_gid
) < 0) {
6105 fprintf(stderr
, "Failed to setgid(%d)\n", pwd
->pw_gid
);
6108 if (setuid(pwd
->pw_uid
) < 0) {
6109 fprintf(stderr
, "Failed to setuid(%d)\n", pwd
->pw_uid
);
6112 if (setuid(0) != -1) {
6113 fprintf(stderr
, "Dropping privileges failed\n");