4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 /* Needed early for HOST_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #if defined(__NetBSD__)
47 #include <net/if_tap.h>
50 #include <linux/if_tun.h>
52 #include <arpa/inet.h>
55 #include <sys/select.h>
58 #if defined(__FreeBSD__) || defined(__DragonFly__)
63 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
64 #include <freebsd/stdlib.h>
69 #include <linux/rtc.h>
71 /* For the benefit of older linux systems which don't supply it,
72 we use a local copy of hpet.h. */
73 /* #include <linux/hpet.h> */
76 #include <linux/ppdev.h>
77 #include <linux/parport.h>
81 #include <sys/ethernet.h>
82 #include <sys/sockio.h>
83 #include <netinet/arp.h>
84 #include <netinet/in.h>
85 #include <netinet/in_systm.h>
86 #include <netinet/ip.h>
87 #include <netinet/ip_icmp.h> // must come after ip.h
88 #include <netinet/udp.h>
89 #include <netinet/tcp.h>
97 #if defined(__OpenBSD__)
101 #if defined(CONFIG_VDE)
102 #include <libvdeplug.h>
108 #include <sys/timeb.h>
109 #include <mmsystem.h>
110 #define getopt_long_only getopt_long
111 #define memalign(align, size) malloc(size)
117 int qemu_main(int argc
, char **argv
, char **envp
);
118 int main(int argc
, char **argv
)
120 qemu_main(argc
, argv
, NULL
);
123 #define main qemu_main
125 #endif /* CONFIG_SDL */
129 #define main qemu_main
130 #endif /* CONFIG_COCOA */
133 #include "hw/boards.h"
135 #include "hw/pcmcia.h"
137 #include "hw/audiodev.h"
141 #include "hw/watchdog.h"
142 #include "hw/smbios.h"
150 #include "qemu-timer.h"
151 #include "qemu-char.h"
152 #include "cache-utils.h"
155 #include "audio/audio.h"
156 #include "migration.h"
162 #include "exec-all.h"
164 #include "qemu_socket.h"
166 #if defined(CONFIG_SLIRP)
167 #include "libslirp.h"
170 //#define DEBUG_UNUSED_IOPORT
171 //#define DEBUG_IOPORT
173 //#define DEBUG_SLIRP
177 # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
179 # define LOG_IOPORT(...) do { } while (0)
182 #define DEFAULT_RAM_SIZE 128
184 /* Max number of USB devices that can be specified on the commandline. */
185 #define MAX_USB_CMDLINE 8
187 /* Max number of bluetooth switches on the commandline. */
188 #define MAX_BT_CMDLINE 10
190 /* XXX: use a two level table to limit memory usage */
191 #define MAX_IOPORTS 65536
193 const char *bios_dir
= CONFIG_QEMU_SHAREDIR
;
194 const char *bios_name
= NULL
;
195 static void *ioport_opaque
[MAX_IOPORTS
];
196 static IOPortReadFunc
*ioport_read_table
[3][MAX_IOPORTS
];
197 static IOPortWriteFunc
*ioport_write_table
[3][MAX_IOPORTS
];
198 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
199 to store the VM snapshots */
200 DriveInfo drives_table
[MAX_DRIVES
+1];
202 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
203 static DisplayState
*display_state
;
204 DisplayType display_type
= DT_DEFAULT
;
205 const char* keyboard_layout
= NULL
;
206 int64_t ticks_per_sec
;
209 NICInfo nd_table
[MAX_NICS
];
211 static int autostart
;
212 static int rtc_utc
= 1;
213 static int rtc_date_offset
= -1; /* -1 means no change */
214 int cirrus_vga_enabled
= 1;
215 int std_vga_enabled
= 0;
216 int vmsvga_enabled
= 0;
217 int xenfb_enabled
= 0;
219 int graphic_width
= 1024;
220 int graphic_height
= 768;
221 int graphic_depth
= 8;
223 int graphic_width
= 800;
224 int graphic_height
= 600;
225 int graphic_depth
= 15;
227 static int full_screen
= 0;
229 static int no_frame
= 0;
232 CharDriverState
*serial_hds
[MAX_SERIAL_PORTS
];
233 CharDriverState
*parallel_hds
[MAX_PARALLEL_PORTS
];
234 CharDriverState
*virtcon_hds
[MAX_VIRTIO_CONSOLES
];
236 int win2k_install_hack
= 0;
242 const char *vnc_display
;
243 int acpi_enabled
= 1;
249 int graphic_rotate
= 0;
253 WatchdogTimerModel
*watchdog
= NULL
;
254 int watchdog_action
= WDT_RESET
;
255 const char *option_rom
[MAX_OPTION_ROMS
];
257 int semihosting_enabled
= 0;
261 const char *qemu_name
;
263 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
264 unsigned int nb_prom_envs
= 0;
265 const char *prom_envs
[MAX_PROM_ENVS
];
268 struct drive_opt drives_opt
[MAX_DRIVES
];
271 uint64_t node_mem
[MAX_NODES
];
272 uint64_t node_cpumask
[MAX_NODES
];
274 static CPUState
*cur_cpu
;
275 static CPUState
*next_cpu
;
276 static int timer_alarm_pending
= 1;
277 /* Conversion factor from emulated instructions to virtual clock ticks. */
278 static int icount_time_shift
;
279 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
280 #define MAX_ICOUNT_SHIFT 10
281 /* Compensate for varying guest execution speed. */
282 static int64_t qemu_icount_bias
;
283 static QEMUTimer
*icount_rt_timer
;
284 static QEMUTimer
*icount_vm_timer
;
285 static QEMUTimer
*nographic_timer
;
287 uint8_t qemu_uuid
[16];
289 /***********************************************************/
290 /* x86 ISA bus support */
292 target_phys_addr_t isa_mem_base
= 0;
295 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
296 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
298 static uint32_t ioport_read(int index
, uint32_t address
)
300 static IOPortReadFunc
*default_func
[3] = {
301 default_ioport_readb
,
302 default_ioport_readw
,
305 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
307 func
= default_func
[index
];
308 return func(ioport_opaque
[address
], address
);
311 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
313 static IOPortWriteFunc
*default_func
[3] = {
314 default_ioport_writeb
,
315 default_ioport_writew
,
316 default_ioport_writel
318 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
320 func
= default_func
[index
];
321 func(ioport_opaque
[address
], address
, data
);
324 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
326 #ifdef DEBUG_UNUSED_IOPORT
327 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
332 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
334 #ifdef DEBUG_UNUSED_IOPORT
335 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
339 /* default is to make two byte accesses */
340 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
343 data
= ioport_read(0, address
);
344 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
345 data
|= ioport_read(0, address
) << 8;
349 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
351 ioport_write(0, address
, data
& 0xff);
352 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
353 ioport_write(0, address
, (data
>> 8) & 0xff);
356 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
358 #ifdef DEBUG_UNUSED_IOPORT
359 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
364 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
366 #ifdef DEBUG_UNUSED_IOPORT
367 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
371 /* size is the word size in byte */
372 int register_ioport_read(int start
, int length
, int size
,
373 IOPortReadFunc
*func
, void *opaque
)
379 } else if (size
== 2) {
381 } else if (size
== 4) {
384 hw_error("register_ioport_read: invalid size");
387 for(i
= start
; i
< start
+ length
; i
+= size
) {
388 ioport_read_table
[bsize
][i
] = func
;
389 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
390 hw_error("register_ioport_read: invalid opaque");
391 ioport_opaque
[i
] = opaque
;
396 /* size is the word size in byte */
397 int register_ioport_write(int start
, int length
, int size
,
398 IOPortWriteFunc
*func
, void *opaque
)
404 } else if (size
== 2) {
406 } else if (size
== 4) {
409 hw_error("register_ioport_write: invalid size");
412 for(i
= start
; i
< start
+ length
; i
+= size
) {
413 ioport_write_table
[bsize
][i
] = func
;
414 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
415 hw_error("register_ioport_write: invalid opaque");
416 ioport_opaque
[i
] = opaque
;
421 void isa_unassign_ioport(int start
, int length
)
425 for(i
= start
; i
< start
+ length
; i
++) {
426 ioport_read_table
[0][i
] = default_ioport_readb
;
427 ioport_read_table
[1][i
] = default_ioport_readw
;
428 ioport_read_table
[2][i
] = default_ioport_readl
;
430 ioport_write_table
[0][i
] = default_ioport_writeb
;
431 ioport_write_table
[1][i
] = default_ioport_writew
;
432 ioport_write_table
[2][i
] = default_ioport_writel
;
434 ioport_opaque
[i
] = NULL
;
438 /***********************************************************/
440 void cpu_outb(CPUState
*env
, int addr
, int val
)
442 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
443 ioport_write(0, addr
, val
);
446 env
->last_io_time
= cpu_get_time_fast();
450 void cpu_outw(CPUState
*env
, int addr
, int val
)
452 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
453 ioport_write(1, addr
, val
);
456 env
->last_io_time
= cpu_get_time_fast();
460 void cpu_outl(CPUState
*env
, int addr
, int val
)
462 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
463 ioport_write(2, addr
, val
);
466 env
->last_io_time
= cpu_get_time_fast();
470 int cpu_inb(CPUState
*env
, int addr
)
473 val
= ioport_read(0, addr
);
474 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
477 env
->last_io_time
= cpu_get_time_fast();
482 int cpu_inw(CPUState
*env
, int addr
)
485 val
= ioport_read(1, addr
);
486 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
489 env
->last_io_time
= cpu_get_time_fast();
494 int cpu_inl(CPUState
*env
, int addr
)
497 val
= ioport_read(2, addr
);
498 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
501 env
->last_io_time
= cpu_get_time_fast();
506 /***********************************************************/
507 void hw_error(const char *fmt
, ...)
513 fprintf(stderr
, "qemu: hardware error: ");
514 vfprintf(stderr
, fmt
, ap
);
515 fprintf(stderr
, "\n");
516 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
517 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
519 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
521 cpu_dump_state(env
, stderr
, fprintf
, 0);
531 static QEMUBalloonEvent
*qemu_balloon_event
;
532 void *qemu_balloon_event_opaque
;
534 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
536 qemu_balloon_event
= func
;
537 qemu_balloon_event_opaque
= opaque
;
540 void qemu_balloon(ram_addr_t target
)
542 if (qemu_balloon_event
)
543 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
546 ram_addr_t
qemu_balloon_status(void)
548 if (qemu_balloon_event
)
549 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
553 /***********************************************************/
556 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
557 static void *qemu_put_kbd_event_opaque
;
558 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
559 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
561 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
563 qemu_put_kbd_event_opaque
= opaque
;
564 qemu_put_kbd_event
= func
;
567 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
568 void *opaque
, int absolute
,
571 QEMUPutMouseEntry
*s
, *cursor
;
573 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
575 s
->qemu_put_mouse_event
= func
;
576 s
->qemu_put_mouse_event_opaque
= opaque
;
577 s
->qemu_put_mouse_event_absolute
= absolute
;
578 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
581 if (!qemu_put_mouse_event_head
) {
582 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
586 cursor
= qemu_put_mouse_event_head
;
587 while (cursor
->next
!= NULL
)
588 cursor
= cursor
->next
;
591 qemu_put_mouse_event_current
= s
;
596 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
598 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
600 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
603 cursor
= qemu_put_mouse_event_head
;
604 while (cursor
!= NULL
&& cursor
!= entry
) {
606 cursor
= cursor
->next
;
609 if (cursor
== NULL
) // does not exist or list empty
611 else if (prev
== NULL
) { // entry is head
612 qemu_put_mouse_event_head
= cursor
->next
;
613 if (qemu_put_mouse_event_current
== entry
)
614 qemu_put_mouse_event_current
= cursor
->next
;
615 qemu_free(entry
->qemu_put_mouse_event_name
);
620 prev
->next
= entry
->next
;
622 if (qemu_put_mouse_event_current
== entry
)
623 qemu_put_mouse_event_current
= prev
;
625 qemu_free(entry
->qemu_put_mouse_event_name
);
629 void kbd_put_keycode(int keycode
)
631 if (qemu_put_kbd_event
) {
632 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
636 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
638 QEMUPutMouseEvent
*mouse_event
;
639 void *mouse_event_opaque
;
642 if (!qemu_put_mouse_event_current
) {
647 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
649 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
652 if (graphic_rotate
) {
653 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
656 width
= graphic_width
- 1;
657 mouse_event(mouse_event_opaque
,
658 width
- dy
, dx
, dz
, buttons_state
);
660 mouse_event(mouse_event_opaque
,
661 dx
, dy
, dz
, buttons_state
);
665 int kbd_mouse_is_absolute(void)
667 if (!qemu_put_mouse_event_current
)
670 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
673 void do_info_mice(Monitor
*mon
)
675 QEMUPutMouseEntry
*cursor
;
678 if (!qemu_put_mouse_event_head
) {
679 monitor_printf(mon
, "No mouse devices connected\n");
683 monitor_printf(mon
, "Mouse devices available:\n");
684 cursor
= qemu_put_mouse_event_head
;
685 while (cursor
!= NULL
) {
686 monitor_printf(mon
, "%c Mouse #%d: %s\n",
687 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
688 index
, cursor
->qemu_put_mouse_event_name
);
690 cursor
= cursor
->next
;
694 void do_mouse_set(Monitor
*mon
, int index
)
696 QEMUPutMouseEntry
*cursor
;
699 if (!qemu_put_mouse_event_head
) {
700 monitor_printf(mon
, "No mouse devices connected\n");
704 cursor
= qemu_put_mouse_event_head
;
705 while (cursor
!= NULL
&& index
!= i
) {
707 cursor
= cursor
->next
;
711 qemu_put_mouse_event_current
= cursor
;
713 monitor_printf(mon
, "Mouse at given index not found\n");
716 /* compute with 96 bit intermediate result: (a*b)/c */
717 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
722 #ifdef WORDS_BIGENDIAN
732 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
733 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
736 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
740 /***********************************************************/
741 /* real time host monotonic timer */
743 #define QEMU_TIMER_BASE 1000000000LL
747 static int64_t clock_freq
;
749 static void init_get_clock(void)
753 ret
= QueryPerformanceFrequency(&freq
);
755 fprintf(stderr
, "Could not calibrate ticks\n");
758 clock_freq
= freq
.QuadPart
;
761 static int64_t get_clock(void)
764 QueryPerformanceCounter(&ti
);
765 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
770 static int use_rt_clock
;
772 static void init_get_clock(void)
775 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
776 || defined(__DragonFly__)
779 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
786 static int64_t get_clock(void)
788 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
789 || defined(__DragonFly__)
792 clock_gettime(CLOCK_MONOTONIC
, &ts
);
793 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
797 /* XXX: using gettimeofday leads to problems if the date
798 changes, so it should be avoided. */
800 gettimeofday(&tv
, NULL
);
801 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
806 /* Return the virtual CPU time, based on the instruction counter. */
807 static int64_t cpu_get_icount(void)
810 CPUState
*env
= cpu_single_env
;;
811 icount
= qemu_icount
;
814 fprintf(stderr
, "Bad clock read\n");
815 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
817 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
820 /***********************************************************/
821 /* guest cycle counter */
823 static int64_t cpu_ticks_prev
;
824 static int64_t cpu_ticks_offset
;
825 static int64_t cpu_clock_offset
;
826 static int cpu_ticks_enabled
;
828 /* return the host CPU cycle counter and handle stop/restart */
829 int64_t cpu_get_ticks(void)
832 return cpu_get_icount();
834 if (!cpu_ticks_enabled
) {
835 return cpu_ticks_offset
;
838 ticks
= cpu_get_real_ticks();
839 if (cpu_ticks_prev
> ticks
) {
840 /* Note: non increasing ticks may happen if the host uses
842 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
844 cpu_ticks_prev
= ticks
;
845 return ticks
+ cpu_ticks_offset
;
849 /* return the host CPU monotonic timer and handle stop/restart */
850 static int64_t cpu_get_clock(void)
853 if (!cpu_ticks_enabled
) {
854 return cpu_clock_offset
;
857 return ti
+ cpu_clock_offset
;
861 /* enable cpu_get_ticks() */
862 void cpu_enable_ticks(void)
864 if (!cpu_ticks_enabled
) {
865 cpu_ticks_offset
-= cpu_get_real_ticks();
866 cpu_clock_offset
-= get_clock();
867 cpu_ticks_enabled
= 1;
871 /* disable cpu_get_ticks() : the clock is stopped. You must not call
872 cpu_get_ticks() after that. */
873 void cpu_disable_ticks(void)
875 if (cpu_ticks_enabled
) {
876 cpu_ticks_offset
= cpu_get_ticks();
877 cpu_clock_offset
= cpu_get_clock();
878 cpu_ticks_enabled
= 0;
882 /***********************************************************/
885 #define QEMU_TIMER_REALTIME 0
886 #define QEMU_TIMER_VIRTUAL 1
890 /* XXX: add frequency */
898 struct QEMUTimer
*next
;
901 struct qemu_alarm_timer
{
905 int (*start
)(struct qemu_alarm_timer
*t
);
906 void (*stop
)(struct qemu_alarm_timer
*t
);
907 void (*rearm
)(struct qemu_alarm_timer
*t
);
911 #define ALARM_FLAG_DYNTICKS 0x1
912 #define ALARM_FLAG_EXPIRED 0x2
914 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
916 return t
&& (t
->flags
& ALARM_FLAG_DYNTICKS
);
919 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
921 if (!alarm_has_dynticks(t
))
927 /* TODO: MIN_TIMER_REARM_US should be optimized */
928 #define MIN_TIMER_REARM_US 250
930 static struct qemu_alarm_timer
*alarm_timer
;
934 struct qemu_alarm_win32
{
937 } alarm_win32_data
= {0, -1};
939 static int win32_start_timer(struct qemu_alarm_timer
*t
);
940 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
941 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
945 static int unix_start_timer(struct qemu_alarm_timer
*t
);
946 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
950 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
951 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
952 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
954 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
955 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
957 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
958 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
960 #endif /* __linux__ */
964 /* Correlation between real and virtual time is always going to be
965 fairly approximate, so ignore small variation.
966 When the guest is idle real and virtual time will be aligned in
968 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
970 static void icount_adjust(void)
975 static int64_t last_delta
;
976 /* If the VM is not running, then do nothing. */
980 cur_time
= cpu_get_clock();
981 cur_icount
= qemu_get_clock(vm_clock
);
982 delta
= cur_icount
- cur_time
;
983 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
985 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
986 && icount_time_shift
> 0) {
987 /* The guest is getting too far ahead. Slow time down. */
991 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
992 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
993 /* The guest is getting too far behind. Speed time up. */
997 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
1000 static void icount_adjust_rt(void * opaque
)
1002 qemu_mod_timer(icount_rt_timer
,
1003 qemu_get_clock(rt_clock
) + 1000);
1007 static void icount_adjust_vm(void * opaque
)
1009 qemu_mod_timer(icount_vm_timer
,
1010 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1014 static void init_icount_adjust(void)
1016 /* Have both realtime and virtual time triggers for speed adjustment.
1017 The realtime trigger catches emulated time passing too slowly,
1018 the virtual time trigger catches emulated time passing too fast.
1019 Realtime triggers occur even when idle, so use them less frequently
1020 than VM triggers. */
1021 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1022 qemu_mod_timer(icount_rt_timer
,
1023 qemu_get_clock(rt_clock
) + 1000);
1024 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1025 qemu_mod_timer(icount_vm_timer
,
1026 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1029 static struct qemu_alarm_timer alarm_timers
[] = {
1032 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1033 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1034 /* HPET - if available - is preferred */
1035 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1036 /* ...otherwise try RTC */
1037 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1039 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1041 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1042 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1043 {"win32", 0, win32_start_timer
,
1044 win32_stop_timer
, NULL
, &alarm_win32_data
},
1049 static void show_available_alarms(void)
1053 printf("Available alarm timers, in order of precedence:\n");
1054 for (i
= 0; alarm_timers
[i
].name
; i
++)
1055 printf("%s\n", alarm_timers
[i
].name
);
1058 static void configure_alarms(char const *opt
)
1062 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1065 struct qemu_alarm_timer tmp
;
1067 if (!strcmp(opt
, "?")) {
1068 show_available_alarms();
1074 /* Reorder the array */
1075 name
= strtok(arg
, ",");
1077 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1078 if (!strcmp(alarm_timers
[i
].name
, name
))
1083 fprintf(stderr
, "Unknown clock %s\n", name
);
1092 tmp
= alarm_timers
[i
];
1093 alarm_timers
[i
] = alarm_timers
[cur
];
1094 alarm_timers
[cur
] = tmp
;
1098 name
= strtok(NULL
, ",");
1104 /* Disable remaining timers */
1105 for (i
= cur
; i
< count
; i
++)
1106 alarm_timers
[i
].name
= NULL
;
1108 show_available_alarms();
1113 QEMUClock
*rt_clock
;
1114 QEMUClock
*vm_clock
;
1116 static QEMUTimer
*active_timers
[2];
1118 static QEMUClock
*qemu_new_clock(int type
)
1121 clock
= qemu_mallocz(sizeof(QEMUClock
));
1126 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1130 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1133 ts
->opaque
= opaque
;
1137 void qemu_free_timer(QEMUTimer
*ts
)
1142 /* stop a timer, but do not dealloc it */
1143 void qemu_del_timer(QEMUTimer
*ts
)
1147 /* NOTE: this code must be signal safe because
1148 qemu_timer_expired() can be called from a signal. */
1149 pt
= &active_timers
[ts
->clock
->type
];
1162 /* modify the current timer so that it will be fired when current_time
1163 >= expire_time. The corresponding callback will be called. */
1164 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1170 /* add the timer in the sorted list */
1171 /* NOTE: this code must be signal safe because
1172 qemu_timer_expired() can be called from a signal. */
1173 pt
= &active_timers
[ts
->clock
->type
];
1178 if (t
->expire_time
> expire_time
)
1182 ts
->expire_time
= expire_time
;
1186 /* Rearm if necessary */
1187 if (pt
== &active_timers
[ts
->clock
->type
]) {
1188 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1189 qemu_rearm_alarm_timer(alarm_timer
);
1191 /* Interrupt execution to force deadline recalculation. */
1193 qemu_notify_event();
1197 int qemu_timer_pending(QEMUTimer
*ts
)
1200 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1207 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1211 return (timer_head
->expire_time
<= current_time
);
1214 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1220 if (!ts
|| ts
->expire_time
> current_time
)
1222 /* remove timer from the list before calling the callback */
1223 *ptimer_head
= ts
->next
;
1226 /* run the callback (the timer list can be modified) */
1231 int64_t qemu_get_clock(QEMUClock
*clock
)
1233 switch(clock
->type
) {
1234 case QEMU_TIMER_REALTIME
:
1235 return get_clock() / 1000000;
1237 case QEMU_TIMER_VIRTUAL
:
1239 return cpu_get_icount();
1241 return cpu_get_clock();
1246 static void init_timers(void)
1249 ticks_per_sec
= QEMU_TIMER_BASE
;
1250 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1251 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1255 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1257 uint64_t expire_time
;
1259 if (qemu_timer_pending(ts
)) {
1260 expire_time
= ts
->expire_time
;
1264 qemu_put_be64(f
, expire_time
);
1267 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1269 uint64_t expire_time
;
1271 expire_time
= qemu_get_be64(f
);
1272 if (expire_time
!= -1) {
1273 qemu_mod_timer(ts
, expire_time
);
1279 static void timer_save(QEMUFile
*f
, void *opaque
)
1281 if (cpu_ticks_enabled
) {
1282 hw_error("cannot save state if virtual timers are running");
1284 qemu_put_be64(f
, cpu_ticks_offset
);
1285 qemu_put_be64(f
, ticks_per_sec
);
1286 qemu_put_be64(f
, cpu_clock_offset
);
1289 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1291 if (version_id
!= 1 && version_id
!= 2)
1293 if (cpu_ticks_enabled
) {
1296 cpu_ticks_offset
=qemu_get_be64(f
);
1297 ticks_per_sec
=qemu_get_be64(f
);
1298 if (version_id
== 2) {
1299 cpu_clock_offset
=qemu_get_be64(f
);
1304 static void qemu_event_increment(void);
1307 static void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1308 DWORD_PTR dwUser
, DWORD_PTR dw1
,
1311 static void host_alarm_handler(int host_signum
)
1315 #define DISP_FREQ 1000
1317 static int64_t delta_min
= INT64_MAX
;
1318 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1320 ti
= qemu_get_clock(vm_clock
);
1321 if (last_clock
!= 0) {
1322 delta
= ti
- last_clock
;
1323 if (delta
< delta_min
)
1325 if (delta
> delta_max
)
1328 if (++count
== DISP_FREQ
) {
1329 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1330 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1331 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1332 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1333 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1335 delta_min
= INT64_MAX
;
1343 if (alarm_has_dynticks(alarm_timer
) ||
1345 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1346 qemu_get_clock(vm_clock
))) ||
1347 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1348 qemu_get_clock(rt_clock
))) {
1349 qemu_event_increment();
1350 if (alarm_timer
) alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1352 #ifndef CONFIG_IOTHREAD
1354 /* stop the currently executing cpu because a timer occured */
1357 if (next_cpu
->kqemu_enabled
) {
1358 kqemu_cpu_interrupt(next_cpu
);
1363 timer_alarm_pending
= 1;
1364 qemu_notify_event();
1368 static int64_t qemu_next_deadline(void)
1372 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1373 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1374 qemu_get_clock(vm_clock
);
1376 /* To avoid problems with overflow limit this to 2^32. */
1386 #if defined(__linux__) || defined(_WIN32)
1387 static uint64_t qemu_next_deadline_dyntick(void)
1395 delta
= (qemu_next_deadline() + 999) / 1000;
1397 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1398 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1399 qemu_get_clock(rt_clock
))*1000;
1400 if (rtdelta
< delta
)
1404 if (delta
< MIN_TIMER_REARM_US
)
1405 delta
= MIN_TIMER_REARM_US
;
1413 /* Sets a specific flag */
1414 static int fcntl_setfl(int fd
, int flag
)
1418 flags
= fcntl(fd
, F_GETFL
);
1422 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1428 #if defined(__linux__)
1430 #define RTC_FREQ 1024
1432 static void enable_sigio_timer(int fd
)
1434 struct sigaction act
;
1437 sigfillset(&act
.sa_mask
);
1439 act
.sa_handler
= host_alarm_handler
;
1441 sigaction(SIGIO
, &act
, NULL
);
1442 fcntl_setfl(fd
, O_ASYNC
);
1443 fcntl(fd
, F_SETOWN
, getpid());
1446 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1448 struct hpet_info info
;
1451 fd
= open("/dev/hpet", O_RDONLY
);
1456 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1458 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1459 "error, but for better emulation accuracy type:\n"
1460 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1464 /* Check capabilities */
1465 r
= ioctl(fd
, HPET_INFO
, &info
);
1469 /* Enable periodic mode */
1470 r
= ioctl(fd
, HPET_EPI
, 0);
1471 if (info
.hi_flags
&& (r
< 0))
1474 /* Enable interrupt */
1475 r
= ioctl(fd
, HPET_IE_ON
, 0);
1479 enable_sigio_timer(fd
);
1480 t
->priv
= (void *)(long)fd
;
1488 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1490 int fd
= (long)t
->priv
;
1495 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1498 unsigned long current_rtc_freq
= 0;
1500 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1503 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1504 if (current_rtc_freq
!= RTC_FREQ
&&
1505 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1506 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1507 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1508 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1511 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1517 enable_sigio_timer(rtc_fd
);
1519 t
->priv
= (void *)(long)rtc_fd
;
1524 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1526 int rtc_fd
= (long)t
->priv
;
1531 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1535 struct sigaction act
;
1537 sigfillset(&act
.sa_mask
);
1539 act
.sa_handler
= host_alarm_handler
;
1541 sigaction(SIGALRM
, &act
, NULL
);
1544 * Initialize ev struct to 0 to avoid valgrind complaining
1545 * about uninitialized data in timer_create call
1547 memset(&ev
, 0, sizeof(ev
));
1548 ev
.sigev_value
.sival_int
= 0;
1549 ev
.sigev_notify
= SIGEV_SIGNAL
;
1550 ev
.sigev_signo
= SIGALRM
;
1552 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1553 perror("timer_create");
1555 /* disable dynticks */
1556 fprintf(stderr
, "Dynamic Ticks disabled\n");
1561 t
->priv
= (void *)(long)host_timer
;
1566 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1568 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1570 timer_delete(host_timer
);
1573 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1575 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1576 struct itimerspec timeout
;
1577 int64_t nearest_delta_us
= INT64_MAX
;
1580 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1581 !active_timers
[QEMU_TIMER_VIRTUAL
])
1584 nearest_delta_us
= qemu_next_deadline_dyntick();
1586 /* check whether a timer is already running */
1587 if (timer_gettime(host_timer
, &timeout
)) {
1589 fprintf(stderr
, "Internal timer error: aborting\n");
1592 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1593 if (current_us
&& current_us
<= nearest_delta_us
)
1596 timeout
.it_interval
.tv_sec
= 0;
1597 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1598 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1599 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1600 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1602 fprintf(stderr
, "Internal timer error: aborting\n");
1607 #endif /* defined(__linux__) */
1609 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1611 struct sigaction act
;
1612 struct itimerval itv
;
1616 sigfillset(&act
.sa_mask
);
1618 act
.sa_handler
= host_alarm_handler
;
1620 sigaction(SIGALRM
, &act
, NULL
);
1622 itv
.it_interval
.tv_sec
= 0;
1623 /* for i386 kernel 2.6 to get 1 ms */
1624 itv
.it_interval
.tv_usec
= 999;
1625 itv
.it_value
.tv_sec
= 0;
1626 itv
.it_value
.tv_usec
= 10 * 1000;
1628 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1635 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1637 struct itimerval itv
;
1639 memset(&itv
, 0, sizeof(itv
));
1640 setitimer(ITIMER_REAL
, &itv
, NULL
);
1643 #endif /* !defined(_WIN32) */
1648 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1651 struct qemu_alarm_win32
*data
= t
->priv
;
1654 memset(&tc
, 0, sizeof(tc
));
1655 timeGetDevCaps(&tc
, sizeof(tc
));
1657 if (data
->period
< tc
.wPeriodMin
)
1658 data
->period
= tc
.wPeriodMin
;
1660 timeBeginPeriod(data
->period
);
1662 flags
= TIME_CALLBACK_FUNCTION
;
1663 if (alarm_has_dynticks(t
))
1664 flags
|= TIME_ONESHOT
;
1666 flags
|= TIME_PERIODIC
;
1668 data
->timerId
= timeSetEvent(1, // interval (ms)
1669 data
->period
, // resolution
1670 host_alarm_handler
, // function
1671 (DWORD
)t
, // parameter
1674 if (!data
->timerId
) {
1675 perror("Failed to initialize win32 alarm timer");
1676 timeEndPeriod(data
->period
);
1683 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1685 struct qemu_alarm_win32
*data
= t
->priv
;
1687 timeKillEvent(data
->timerId
);
1688 timeEndPeriod(data
->period
);
1691 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1693 struct qemu_alarm_win32
*data
= t
->priv
;
1694 uint64_t nearest_delta_us
;
1696 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1697 !active_timers
[QEMU_TIMER_VIRTUAL
])
1700 nearest_delta_us
= qemu_next_deadline_dyntick();
1701 nearest_delta_us
/= 1000;
1703 timeKillEvent(data
->timerId
);
1705 data
->timerId
= timeSetEvent(1,
1709 TIME_ONESHOT
| TIME_PERIODIC
);
1711 if (!data
->timerId
) {
1712 perror("Failed to re-arm win32 alarm timer");
1714 timeEndPeriod(data
->period
);
1721 static int init_timer_alarm(void)
1723 struct qemu_alarm_timer
*t
= NULL
;
1726 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1727 t
= &alarm_timers
[i
];
1747 static void quit_timers(void)
1749 alarm_timer
->stop(alarm_timer
);
1753 /***********************************************************/
1754 /* host time/date access */
1755 void qemu_get_timedate(struct tm
*tm
, int offset
)
1762 if (rtc_date_offset
== -1) {
1766 ret
= localtime(&ti
);
1768 ti
-= rtc_date_offset
;
1772 memcpy(tm
, ret
, sizeof(struct tm
));
1775 int qemu_timedate_diff(struct tm
*tm
)
1779 if (rtc_date_offset
== -1)
1781 seconds
= mktimegm(tm
);
1783 seconds
= mktime(tm
);
1785 seconds
= mktimegm(tm
) + rtc_date_offset
;
1787 return seconds
- time(NULL
);
1791 static void socket_cleanup(void)
1796 static int socket_init(void)
1801 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1803 err
= WSAGetLastError();
1804 fprintf(stderr
, "WSAStartup: %d\n", err
);
1807 atexit(socket_cleanup
);
1812 const char *get_opt_name(char *buf
, int buf_size
, const char *p
, char delim
)
1817 while (*p
!= '\0' && *p
!= delim
) {
1818 if (q
&& (q
- buf
) < buf_size
- 1)
1828 const char *get_opt_value(char *buf
, int buf_size
, const char *p
)
1833 while (*p
!= '\0') {
1835 if (*(p
+ 1) != ',')
1839 if (q
&& (q
- buf
) < buf_size
- 1)
1849 int get_param_value(char *buf
, int buf_size
,
1850 const char *tag
, const char *str
)
1857 p
= get_opt_name(option
, sizeof(option
), p
, '=');
1861 if (!strcmp(tag
, option
)) {
1862 (void)get_opt_value(buf
, buf_size
, p
);
1865 p
= get_opt_value(NULL
, 0, p
);
1874 int check_params(const char * const *params
, const char *str
)
1876 int name_buf_size
= 1;
1882 for (i
= 0; params
[i
] != NULL
; i
++) {
1883 len
= strlen(params
[i
]) + 1;
1884 if (len
> name_buf_size
) {
1885 name_buf_size
= len
;
1888 name_buf
= qemu_malloc(name_buf_size
);
1891 while (*p
!= '\0') {
1892 p
= get_opt_name(name_buf
, name_buf_size
, p
, '=');
1898 for(i
= 0; params
[i
] != NULL
; i
++)
1899 if (!strcmp(params
[i
], name_buf
))
1901 if (params
[i
] == NULL
) {
1905 p
= get_opt_value(NULL
, 0, p
);
1911 qemu_free(name_buf
);
1915 /***********************************************************/
1916 /* Bluetooth support */
1919 static struct HCIInfo
*hci_table
[MAX_NICS
];
1921 static struct bt_vlan_s
{
1922 struct bt_scatternet_s net
;
1924 struct bt_vlan_s
*next
;
1927 /* find or alloc a new bluetooth "VLAN" */
1928 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1930 struct bt_vlan_s
**pvlan
, *vlan
;
1931 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1935 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1937 pvlan
= &first_bt_vlan
;
1938 while (*pvlan
!= NULL
)
1939 pvlan
= &(*pvlan
)->next
;
1944 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1948 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1953 static struct HCIInfo null_hci
= {
1954 .cmd_send
= null_hci_send
,
1955 .sco_send
= null_hci_send
,
1956 .acl_send
= null_hci_send
,
1957 .bdaddr_set
= null_hci_addr_set
,
1960 struct HCIInfo
*qemu_next_hci(void)
1962 if (cur_hci
== nb_hcis
)
1965 return hci_table
[cur_hci
++];
1968 static struct HCIInfo
*hci_init(const char *str
)
1971 struct bt_scatternet_s
*vlan
= 0;
1973 if (!strcmp(str
, "null"))
1976 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
1978 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
1979 else if (!strncmp(str
, "hci", 3)) {
1982 if (!strncmp(str
+ 3, ",vlan=", 6)) {
1983 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
1988 vlan
= qemu_find_bt_vlan(0);
1990 return bt_new_hci(vlan
);
1993 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
1998 static int bt_hci_parse(const char *str
)
2000 struct HCIInfo
*hci
;
2003 if (nb_hcis
>= MAX_NICS
) {
2004 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
2008 hci
= hci_init(str
);
2017 bdaddr
.b
[5] = 0x56 + nb_hcis
;
2018 hci
->bdaddr_set(hci
, bdaddr
.b
);
2020 hci_table
[nb_hcis
++] = hci
;
2025 static void bt_vhci_add(int vlan_id
)
2027 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
2030 fprintf(stderr
, "qemu: warning: adding a VHCI to "
2031 "an empty scatternet %i\n", vlan_id
);
2033 bt_vhci_init(bt_new_hci(vlan
));
2036 static struct bt_device_s
*bt_device_add(const char *opt
)
2038 struct bt_scatternet_s
*vlan
;
2040 char *endp
= strstr(opt
, ",vlan=");
2041 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2044 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2047 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2049 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2054 vlan
= qemu_find_bt_vlan(vlan_id
);
2057 fprintf(stderr
, "qemu: warning: adding a slave device to "
2058 "an empty scatternet %i\n", vlan_id
);
2060 if (!strcmp(devname
, "keyboard"))
2061 return bt_keyboard_init(vlan
);
2063 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2067 static int bt_parse(const char *opt
)
2069 const char *endp
, *p
;
2072 if (strstart(opt
, "hci", &endp
)) {
2073 if (!*endp
|| *endp
== ',') {
2075 if (!strstart(endp
, ",vlan=", 0))
2078 return bt_hci_parse(opt
);
2080 } else if (strstart(opt
, "vhci", &endp
)) {
2081 if (!*endp
|| *endp
== ',') {
2083 if (strstart(endp
, ",vlan=", &p
)) {
2084 vlan
= strtol(p
, (char **) &endp
, 0);
2086 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2090 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2099 } else if (strstart(opt
, "device:", &endp
))
2100 return !bt_device_add(endp
);
2102 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2106 /***********************************************************/
2107 /* QEMU Block devices */
2109 #define HD_ALIAS "index=%d,media=disk"
2110 #define CDROM_ALIAS "index=2,media=cdrom"
2111 #define FD_ALIAS "index=%d,if=floppy"
2112 #define PFLASH_ALIAS "if=pflash"
2113 #define MTD_ALIAS "if=mtd"
2114 #define SD_ALIAS "index=0,if=sd"
2116 static int drive_opt_get_free_idx(void)
2120 for (index
= 0; index
< MAX_DRIVES
; index
++)
2121 if (!drives_opt
[index
].used
) {
2122 drives_opt
[index
].used
= 1;
2129 static int drive_get_free_idx(void)
2133 for (index
= 0; index
< MAX_DRIVES
; index
++)
2134 if (!drives_table
[index
].used
) {
2135 drives_table
[index
].used
= 1;
2142 int drive_add(const char *file
, const char *fmt
, ...)
2145 int index
= drive_opt_get_free_idx();
2147 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
2148 fprintf(stderr
, "qemu: too many drives\n");
2152 drives_opt
[index
].file
= file
;
2154 vsnprintf(drives_opt
[index
].opt
,
2155 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2162 void drive_remove(int index
)
2164 drives_opt
[index
].used
= 0;
2168 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2172 /* seek interface, bus and unit */
2174 for (index
= 0; index
< MAX_DRIVES
; index
++)
2175 if (drives_table
[index
].type
== type
&&
2176 drives_table
[index
].bus
== bus
&&
2177 drives_table
[index
].unit
== unit
&&
2178 drives_table
[index
].used
)
2184 int drive_get_max_bus(BlockInterfaceType type
)
2190 for (index
= 0; index
< nb_drives
; index
++) {
2191 if(drives_table
[index
].type
== type
&&
2192 drives_table
[index
].bus
> max_bus
)
2193 max_bus
= drives_table
[index
].bus
;
2198 const char *drive_get_serial(BlockDriverState
*bdrv
)
2202 for (index
= 0; index
< nb_drives
; index
++)
2203 if (drives_table
[index
].bdrv
== bdrv
)
2204 return drives_table
[index
].serial
;
2209 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2213 for (index
= 0; index
< nb_drives
; index
++)
2214 if (drives_table
[index
].bdrv
== bdrv
)
2215 return drives_table
[index
].onerror
;
2217 return BLOCK_ERR_STOP_ENOSPC
;
2220 static void bdrv_format_print(void *opaque
, const char *name
)
2222 fprintf(stderr
, " %s", name
);
2225 void drive_uninit(BlockDriverState
*bdrv
)
2229 for (i
= 0; i
< MAX_DRIVES
; i
++)
2230 if (drives_table
[i
].bdrv
== bdrv
) {
2231 drives_table
[i
].bdrv
= NULL
;
2232 drives_table
[i
].used
= 0;
2233 drive_remove(drives_table
[i
].drive_opt_idx
);
2239 int drive_init(struct drive_opt
*arg
, int snapshot
, void *opaque
)
2245 const char *mediastr
= "";
2246 BlockInterfaceType type
;
2247 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2248 int bus_id
, unit_id
;
2249 int cyls
, heads
, secs
, translation
;
2250 BlockDriverState
*bdrv
;
2251 BlockDriver
*drv
= NULL
;
2252 QEMUMachine
*machine
= opaque
;
2256 int bdrv_flags
, onerror
;
2257 int drives_table_idx
;
2258 char *str
= arg
->opt
;
2259 static const char * const params
[] = { "bus", "unit", "if", "index",
2260 "cyls", "heads", "secs", "trans",
2261 "media", "snapshot", "file",
2262 "cache", "format", "serial", "werror",
2265 if (check_params(params
, str
) < 0) {
2266 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2272 cyls
= heads
= secs
= 0;
2275 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2279 if (machine
->use_scsi
) {
2281 max_devs
= MAX_SCSI_DEVS
;
2282 pstrcpy(devname
, sizeof(devname
), "scsi");
2285 max_devs
= MAX_IDE_DEVS
;
2286 pstrcpy(devname
, sizeof(devname
), "ide");
2290 /* extract parameters */
2292 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2293 bus_id
= strtol(buf
, NULL
, 0);
2295 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2300 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2301 unit_id
= strtol(buf
, NULL
, 0);
2303 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2308 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2309 pstrcpy(devname
, sizeof(devname
), buf
);
2310 if (!strcmp(buf
, "ide")) {
2312 max_devs
= MAX_IDE_DEVS
;
2313 } else if (!strcmp(buf
, "scsi")) {
2315 max_devs
= MAX_SCSI_DEVS
;
2316 } else if (!strcmp(buf
, "floppy")) {
2319 } else if (!strcmp(buf
, "pflash")) {
2322 } else if (!strcmp(buf
, "mtd")) {
2325 } else if (!strcmp(buf
, "sd")) {
2328 } else if (!strcmp(buf
, "virtio")) {
2331 } else if (!strcmp(buf
, "xen")) {
2335 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2340 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2341 index
= strtol(buf
, NULL
, 0);
2343 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2348 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2349 cyls
= strtol(buf
, NULL
, 0);
2352 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2353 heads
= strtol(buf
, NULL
, 0);
2356 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2357 secs
= strtol(buf
, NULL
, 0);
2360 if (cyls
|| heads
|| secs
) {
2361 if (cyls
< 1 || cyls
> 16383) {
2362 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2365 if (heads
< 1 || heads
> 16) {
2366 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2369 if (secs
< 1 || secs
> 63) {
2370 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2375 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2378 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2382 if (!strcmp(buf
, "none"))
2383 translation
= BIOS_ATA_TRANSLATION_NONE
;
2384 else if (!strcmp(buf
, "lba"))
2385 translation
= BIOS_ATA_TRANSLATION_LBA
;
2386 else if (!strcmp(buf
, "auto"))
2387 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2389 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2394 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2395 if (!strcmp(buf
, "disk")) {
2397 } else if (!strcmp(buf
, "cdrom")) {
2398 if (cyls
|| secs
|| heads
) {
2400 "qemu: '%s' invalid physical CHS format\n", str
);
2403 media
= MEDIA_CDROM
;
2405 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2410 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2411 if (!strcmp(buf
, "on"))
2413 else if (!strcmp(buf
, "off"))
2416 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2421 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2422 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2424 else if (!strcmp(buf
, "writethrough"))
2426 else if (!strcmp(buf
, "writeback"))
2429 fprintf(stderr
, "qemu: invalid cache option\n");
2434 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2435 if (strcmp(buf
, "?") == 0) {
2436 fprintf(stderr
, "qemu: Supported formats:");
2437 bdrv_iterate_format(bdrv_format_print
, NULL
);
2438 fprintf(stderr
, "\n");
2441 drv
= bdrv_find_format(buf
);
2443 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2448 if (arg
->file
== NULL
)
2449 get_param_value(file
, sizeof(file
), "file", str
);
2451 pstrcpy(file
, sizeof(file
), arg
->file
);
2453 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2454 memset(serial
, 0, sizeof(serial
));
2456 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2457 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2458 if (type
!= IF_IDE
&& type
!= IF_SCSI
&& type
!= IF_VIRTIO
) {
2459 fprintf(stderr
, "werror is no supported by this format\n");
2462 if (!strcmp(buf
, "ignore"))
2463 onerror
= BLOCK_ERR_IGNORE
;
2464 else if (!strcmp(buf
, "enospc"))
2465 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2466 else if (!strcmp(buf
, "stop"))
2467 onerror
= BLOCK_ERR_STOP_ANY
;
2468 else if (!strcmp(buf
, "report"))
2469 onerror
= BLOCK_ERR_REPORT
;
2471 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2476 /* compute bus and unit according index */
2479 if (bus_id
!= 0 || unit_id
!= -1) {
2481 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2489 unit_id
= index
% max_devs
;
2490 bus_id
= index
/ max_devs
;
2494 /* if user doesn't specify a unit_id,
2495 * try to find the first free
2498 if (unit_id
== -1) {
2500 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2502 if (max_devs
&& unit_id
>= max_devs
) {
2503 unit_id
-= max_devs
;
2511 if (max_devs
&& unit_id
>= max_devs
) {
2512 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2513 str
, unit_id
, max_devs
- 1);
2518 * ignore multiple definitions
2521 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2526 if (type
== IF_IDE
|| type
== IF_SCSI
)
2527 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2529 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2530 devname
, bus_id
, mediastr
, unit_id
);
2532 snprintf(buf
, sizeof(buf
), "%s%s%i",
2533 devname
, mediastr
, unit_id
);
2534 bdrv
= bdrv_new(buf
);
2535 drives_table_idx
= drive_get_free_idx();
2536 drives_table
[drives_table_idx
].bdrv
= bdrv
;
2537 drives_table
[drives_table_idx
].type
= type
;
2538 drives_table
[drives_table_idx
].bus
= bus_id
;
2539 drives_table
[drives_table_idx
].unit
= unit_id
;
2540 drives_table
[drives_table_idx
].onerror
= onerror
;
2541 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
2542 strncpy(drives_table
[drives_table_idx
].serial
, serial
, sizeof(serial
));
2552 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2553 bdrv_set_translation_hint(bdrv
, translation
);
2557 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2562 /* FIXME: This isn't really a floppy, but it's a reasonable
2565 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2578 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2579 cache
= 2; /* always use write-back with snapshot */
2581 if (cache
== 0) /* no caching */
2582 bdrv_flags
|= BDRV_O_NOCACHE
;
2583 else if (cache
== 2) /* write-back */
2584 bdrv_flags
|= BDRV_O_CACHE_WB
;
2585 else if (cache
== 3) /* not specified */
2586 bdrv_flags
|= BDRV_O_CACHE_DEF
;
2587 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0) {
2588 fprintf(stderr
, "qemu: could not open disk image %s\n",
2592 if (bdrv_key_required(bdrv
))
2594 return drives_table_idx
;
2597 static void numa_add(const char *optarg
)
2601 unsigned long long value
, endvalue
;
2604 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
2605 if (!strcmp(option
, "node")) {
2606 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
2607 nodenr
= nb_numa_nodes
;
2609 nodenr
= strtoull(option
, NULL
, 10);
2612 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
2613 node_mem
[nodenr
] = 0;
2615 value
= strtoull(option
, &endptr
, 0);
2617 case 0: case 'M': case 'm':
2624 node_mem
[nodenr
] = value
;
2626 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
2627 node_cpumask
[nodenr
] = 0;
2629 value
= strtoull(option
, &endptr
, 10);
2632 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
2634 if (*endptr
== '-') {
2635 endvalue
= strtoull(endptr
+1, &endptr
, 10);
2636 if (endvalue
>= 63) {
2639 "only 63 CPUs in NUMA mode supported.\n");
2641 value
= (1 << (endvalue
+ 1)) - (1 << value
);
2646 node_cpumask
[nodenr
] = value
;
2653 /***********************************************************/
2656 static USBPort
*used_usb_ports
;
2657 static USBPort
*free_usb_ports
;
2659 /* ??? Maybe change this to register a hub to keep track of the topology. */
2660 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2661 usb_attachfn attach
)
2663 port
->opaque
= opaque
;
2664 port
->index
= index
;
2665 port
->attach
= attach
;
2666 port
->next
= free_usb_ports
;
2667 free_usb_ports
= port
;
2670 int usb_device_add_dev(USBDevice
*dev
)
2674 /* Find a USB port to add the device to. */
2675 port
= free_usb_ports
;
2679 /* Create a new hub and chain it on. */
2680 free_usb_ports
= NULL
;
2681 port
->next
= used_usb_ports
;
2682 used_usb_ports
= port
;
2684 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2685 usb_attach(port
, hub
);
2686 port
= free_usb_ports
;
2689 free_usb_ports
= port
->next
;
2690 port
->next
= used_usb_ports
;
2691 used_usb_ports
= port
;
2692 usb_attach(port
, dev
);
2696 static void usb_msd_password_cb(void *opaque
, int err
)
2698 USBDevice
*dev
= opaque
;
2701 usb_device_add_dev(dev
);
2703 dev
->handle_destroy(dev
);
2706 static int usb_device_add(const char *devname
, int is_hotplug
)
2711 if (!free_usb_ports
)
2714 if (strstart(devname
, "host:", &p
)) {
2715 dev
= usb_host_device_open(p
);
2716 } else if (!strcmp(devname
, "mouse")) {
2717 dev
= usb_mouse_init();
2718 } else if (!strcmp(devname
, "tablet")) {
2719 dev
= usb_tablet_init();
2720 } else if (!strcmp(devname
, "keyboard")) {
2721 dev
= usb_keyboard_init();
2722 } else if (strstart(devname
, "disk:", &p
)) {
2723 BlockDriverState
*bs
;
2725 dev
= usb_msd_init(p
);
2728 bs
= usb_msd_get_bdrv(dev
);
2729 if (bdrv_key_required(bs
)) {
2732 monitor_read_bdrv_key_start(cur_mon
, bs
, usb_msd_password_cb
,
2737 } else if (!strcmp(devname
, "wacom-tablet")) {
2738 dev
= usb_wacom_init();
2739 } else if (strstart(devname
, "serial:", &p
)) {
2740 dev
= usb_serial_init(p
);
2741 #ifdef CONFIG_BRLAPI
2742 } else if (!strcmp(devname
, "braille")) {
2743 dev
= usb_baum_init();
2745 } else if (strstart(devname
, "net:", &p
)) {
2748 if (net_client_init("nic", p
) < 0)
2750 nd_table
[nic
].model
= "usb";
2751 dev
= usb_net_init(&nd_table
[nic
]);
2752 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2753 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2754 bt_new_hci(qemu_find_bt_vlan(0)));
2761 return usb_device_add_dev(dev
);
2764 int usb_device_del_addr(int bus_num
, int addr
)
2770 if (!used_usb_ports
)
2776 lastp
= &used_usb_ports
;
2777 port
= used_usb_ports
;
2778 while (port
&& port
->dev
->addr
!= addr
) {
2779 lastp
= &port
->next
;
2787 *lastp
= port
->next
;
2788 usb_attach(port
, NULL
);
2789 dev
->handle_destroy(dev
);
2790 port
->next
= free_usb_ports
;
2791 free_usb_ports
= port
;
2795 static int usb_device_del(const char *devname
)
2800 if (strstart(devname
, "host:", &p
))
2801 return usb_host_device_close(p
);
2803 if (!used_usb_ports
)
2806 p
= strchr(devname
, '.');
2809 bus_num
= strtoul(devname
, NULL
, 0);
2810 addr
= strtoul(p
+ 1, NULL
, 0);
2812 return usb_device_del_addr(bus_num
, addr
);
2815 void do_usb_add(Monitor
*mon
, const char *devname
)
2817 usb_device_add(devname
, 1);
2820 void do_usb_del(Monitor
*mon
, const char *devname
)
2822 usb_device_del(devname
);
2825 void usb_info(Monitor
*mon
)
2829 const char *speed_str
;
2832 monitor_printf(mon
, "USB support not enabled\n");
2836 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2840 switch(dev
->speed
) {
2844 case USB_SPEED_FULL
:
2847 case USB_SPEED_HIGH
:
2854 monitor_printf(mon
, " Device %d.%d, Speed %s Mb/s, Product %s\n",
2855 0, dev
->addr
, speed_str
, dev
->devname
);
2859 /***********************************************************/
2860 /* PCMCIA/Cardbus */
2862 static struct pcmcia_socket_entry_s
{
2863 PCMCIASocket
*socket
;
2864 struct pcmcia_socket_entry_s
*next
;
2865 } *pcmcia_sockets
= 0;
2867 void pcmcia_socket_register(PCMCIASocket
*socket
)
2869 struct pcmcia_socket_entry_s
*entry
;
2871 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2872 entry
->socket
= socket
;
2873 entry
->next
= pcmcia_sockets
;
2874 pcmcia_sockets
= entry
;
2877 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
2879 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2881 ptr
= &pcmcia_sockets
;
2882 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2883 if (entry
->socket
== socket
) {
2889 void pcmcia_info(Monitor
*mon
)
2891 struct pcmcia_socket_entry_s
*iter
;
2893 if (!pcmcia_sockets
)
2894 monitor_printf(mon
, "No PCMCIA sockets\n");
2896 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2897 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
2898 iter
->socket
->attached
? iter
->socket
->card_string
:
2902 /***********************************************************/
2903 /* register display */
2905 struct DisplayAllocator default_allocator
= {
2906 defaultallocator_create_displaysurface
,
2907 defaultallocator_resize_displaysurface
,
2908 defaultallocator_free_displaysurface
2911 void register_displaystate(DisplayState
*ds
)
2921 DisplayState
*get_displaystate(void)
2923 return display_state
;
2926 DisplayAllocator
*register_displayallocator(DisplayState
*ds
, DisplayAllocator
*da
)
2928 if(ds
->allocator
== &default_allocator
) ds
->allocator
= da
;
2929 return ds
->allocator
;
2934 static void dumb_display_init(void)
2936 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2937 ds
->allocator
= &default_allocator
;
2938 ds
->surface
= qemu_create_displaysurface(ds
, 640, 480);
2939 register_displaystate(ds
);
2942 /***********************************************************/
2945 typedef struct IOHandlerRecord
{
2947 IOCanRWHandler
*fd_read_poll
;
2949 IOHandler
*fd_write
;
2952 /* temporary data */
2954 struct IOHandlerRecord
*next
;
2957 static IOHandlerRecord
*first_io_handler
;
2959 /* XXX: fd_read_poll should be suppressed, but an API change is
2960 necessary in the character devices to suppress fd_can_read(). */
2961 int qemu_set_fd_handler2(int fd
,
2962 IOCanRWHandler
*fd_read_poll
,
2964 IOHandler
*fd_write
,
2967 IOHandlerRecord
**pioh
, *ioh
;
2969 if (!fd_read
&& !fd_write
) {
2970 pioh
= &first_io_handler
;
2975 if (ioh
->fd
== fd
) {
2982 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2986 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2987 ioh
->next
= first_io_handler
;
2988 first_io_handler
= ioh
;
2991 ioh
->fd_read_poll
= fd_read_poll
;
2992 ioh
->fd_read
= fd_read
;
2993 ioh
->fd_write
= fd_write
;
2994 ioh
->opaque
= opaque
;
3000 int qemu_set_fd_handler(int fd
,
3002 IOHandler
*fd_write
,
3005 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
3009 /***********************************************************/
3010 /* Polling handling */
3012 typedef struct PollingEntry
{
3015 struct PollingEntry
*next
;
3018 static PollingEntry
*first_polling_entry
;
3020 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
3022 PollingEntry
**ppe
, *pe
;
3023 pe
= qemu_mallocz(sizeof(PollingEntry
));
3025 pe
->opaque
= opaque
;
3026 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
3031 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
3033 PollingEntry
**ppe
, *pe
;
3034 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
3036 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
3044 /***********************************************************/
3045 /* Wait objects support */
3046 typedef struct WaitObjects
{
3048 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
3049 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
3050 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
3053 static WaitObjects wait_objects
= {0};
3055 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3057 WaitObjects
*w
= &wait_objects
;
3059 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
3061 w
->events
[w
->num
] = handle
;
3062 w
->func
[w
->num
] = func
;
3063 w
->opaque
[w
->num
] = opaque
;
3068 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3071 WaitObjects
*w
= &wait_objects
;
3074 for (i
= 0; i
< w
->num
; i
++) {
3075 if (w
->events
[i
] == handle
)
3078 w
->events
[i
] = w
->events
[i
+ 1];
3079 w
->func
[i
] = w
->func
[i
+ 1];
3080 w
->opaque
[i
] = w
->opaque
[i
+ 1];
3088 /***********************************************************/
3089 /* ram save/restore */
3091 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3095 v
= qemu_get_byte(f
);
3098 if (qemu_get_buffer(f
, buf
, len
) != len
)
3102 v
= qemu_get_byte(f
);
3103 memset(buf
, v
, len
);
3109 if (qemu_file_has_error(f
))
3115 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3120 if (qemu_get_be32(f
) != last_ram_offset
)
3122 for(i
= 0; i
< last_ram_offset
; i
+= TARGET_PAGE_SIZE
) {
3123 ret
= ram_get_page(f
, qemu_get_ram_ptr(i
), TARGET_PAGE_SIZE
);
3130 #define BDRV_HASH_BLOCK_SIZE 1024
3131 #define IOBUF_SIZE 4096
3132 #define RAM_CBLOCK_MAGIC 0xfabe
3134 typedef struct RamDecompressState
{
3137 uint8_t buf
[IOBUF_SIZE
];
3138 } RamDecompressState
;
3140 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3143 memset(s
, 0, sizeof(*s
));
3145 ret
= inflateInit(&s
->zstream
);
3151 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3155 s
->zstream
.avail_out
= len
;
3156 s
->zstream
.next_out
= buf
;
3157 while (s
->zstream
.avail_out
> 0) {
3158 if (s
->zstream
.avail_in
== 0) {
3159 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3161 clen
= qemu_get_be16(s
->f
);
3162 if (clen
> IOBUF_SIZE
)
3164 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3165 s
->zstream
.avail_in
= clen
;
3166 s
->zstream
.next_in
= s
->buf
;
3168 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3169 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3176 static void ram_decompress_close(RamDecompressState
*s
)
3178 inflateEnd(&s
->zstream
);
3181 #define RAM_SAVE_FLAG_FULL 0x01
3182 #define RAM_SAVE_FLAG_COMPRESS 0x02
3183 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3184 #define RAM_SAVE_FLAG_PAGE 0x08
3185 #define RAM_SAVE_FLAG_EOS 0x10
3187 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3189 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3190 uint32_t *array
= (uint32_t *)page
;
3193 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3194 if (array
[i
] != val
)
3201 static int ram_save_block(QEMUFile
*f
)
3203 static ram_addr_t current_addr
= 0;
3204 ram_addr_t saved_addr
= current_addr
;
3205 ram_addr_t addr
= 0;
3208 while (addr
< last_ram_offset
) {
3209 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3212 cpu_physical_memory_reset_dirty(current_addr
,
3213 current_addr
+ TARGET_PAGE_SIZE
,
3214 MIGRATION_DIRTY_FLAG
);
3216 p
= qemu_get_ram_ptr(current_addr
);
3218 if (is_dup_page(p
, *p
)) {
3219 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3220 qemu_put_byte(f
, *p
);
3222 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3223 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
3229 addr
+= TARGET_PAGE_SIZE
;
3230 current_addr
= (saved_addr
+ addr
) % last_ram_offset
;
3236 static ram_addr_t ram_save_threshold
= 10;
3237 static uint64_t bytes_transferred
= 0;
3239 static ram_addr_t
ram_save_remaining(void)
3242 ram_addr_t count
= 0;
3244 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3245 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3252 uint64_t ram_bytes_remaining(void)
3254 return ram_save_remaining() * TARGET_PAGE_SIZE
;
3257 uint64_t ram_bytes_transferred(void)
3259 return bytes_transferred
;
3262 uint64_t ram_bytes_total(void)
3264 return last_ram_offset
;
3267 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3272 /* Make sure all dirty bits are set */
3273 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3274 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3275 cpu_physical_memory_set_dirty(addr
);
3278 /* Enable dirty memory tracking */
3279 cpu_physical_memory_set_dirty_tracking(1);
3281 qemu_put_be64(f
, last_ram_offset
| RAM_SAVE_FLAG_MEM_SIZE
);
3284 while (!qemu_file_rate_limit(f
)) {
3287 ret
= ram_save_block(f
);
3288 bytes_transferred
+= ret
* TARGET_PAGE_SIZE
;
3289 if (ret
== 0) /* no more blocks */
3293 /* try transferring iterative blocks of memory */
3297 /* flush all remaining blocks regardless of rate limiting */
3298 while (ram_save_block(f
) != 0) {
3299 bytes_transferred
+= TARGET_PAGE_SIZE
;
3301 cpu_physical_memory_set_dirty_tracking(0);
3304 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3306 return (stage
== 2) && (ram_save_remaining() < ram_save_threshold
);
3309 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3311 RamDecompressState s1
, *s
= &s1
;
3315 if (ram_decompress_open(s
, f
) < 0)
3317 for(i
= 0; i
< last_ram_offset
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3318 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3319 fprintf(stderr
, "Error while reading ram block header\n");
3323 if (ram_decompress_buf(s
, qemu_get_ram_ptr(i
),
3324 BDRV_HASH_BLOCK_SIZE
) < 0) {
3325 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3330 printf("Error block header\n");
3334 ram_decompress_close(s
);
3339 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3344 if (version_id
== 1)
3345 return ram_load_v1(f
, opaque
);
3347 if (version_id
== 2) {
3348 if (qemu_get_be32(f
) != last_ram_offset
)
3350 return ram_load_dead(f
, opaque
);
3353 if (version_id
!= 3)
3357 addr
= qemu_get_be64(f
);
3359 flags
= addr
& ~TARGET_PAGE_MASK
;
3360 addr
&= TARGET_PAGE_MASK
;
3362 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3363 if (addr
!= last_ram_offset
)
3367 if (flags
& RAM_SAVE_FLAG_FULL
) {
3368 if (ram_load_dead(f
, opaque
) < 0)
3372 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3373 uint8_t ch
= qemu_get_byte(f
);
3374 memset(qemu_get_ram_ptr(addr
), ch
, TARGET_PAGE_SIZE
);
3375 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3376 qemu_get_buffer(f
, qemu_get_ram_ptr(addr
), TARGET_PAGE_SIZE
);
3377 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3382 void qemu_service_io(void)
3384 qemu_notify_event();
3387 /***********************************************************/
3388 /* bottom halves (can be seen as timers which expire ASAP) */
3399 static QEMUBH
*first_bh
= NULL
;
3401 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3404 bh
= qemu_mallocz(sizeof(QEMUBH
));
3406 bh
->opaque
= opaque
;
3407 bh
->next
= first_bh
;
3412 int qemu_bh_poll(void)
3418 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3419 if (!bh
->deleted
&& bh
->scheduled
) {
3428 /* remove deleted bhs */
3442 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3450 void qemu_bh_schedule(QEMUBH
*bh
)
3456 /* stop the currently executing CPU to execute the BH ASAP */
3457 qemu_notify_event();
3460 void qemu_bh_cancel(QEMUBH
*bh
)
3465 void qemu_bh_delete(QEMUBH
*bh
)
3471 static void qemu_bh_update_timeout(int *timeout
)
3475 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3476 if (!bh
->deleted
&& bh
->scheduled
) {
3478 /* idle bottom halves will be polled at least
3480 *timeout
= MIN(10, *timeout
);
3482 /* non-idle bottom halves will be executed
3491 /***********************************************************/
3492 /* machine registration */
3494 static QEMUMachine
*first_machine
= NULL
;
3495 QEMUMachine
*current_machine
= NULL
;
3497 int qemu_register_machine(QEMUMachine
*m
)
3500 pm
= &first_machine
;
3508 static QEMUMachine
*find_machine(const char *name
)
3512 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3513 if (!strcmp(m
->name
, name
))
3519 static QEMUMachine
*find_default_machine(void)
3523 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3524 if (m
->is_default
) {
3531 /***********************************************************/
3532 /* main execution loop */
3534 static void gui_update(void *opaque
)
3536 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3537 DisplayState
*ds
= opaque
;
3538 DisplayChangeListener
*dcl
= ds
->listeners
;
3542 while (dcl
!= NULL
) {
3543 if (dcl
->gui_timer_interval
&&
3544 dcl
->gui_timer_interval
< interval
)
3545 interval
= dcl
->gui_timer_interval
;
3548 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3551 static void nographic_update(void *opaque
)
3553 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3555 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3558 struct vm_change_state_entry
{
3559 VMChangeStateHandler
*cb
;
3561 LIST_ENTRY (vm_change_state_entry
) entries
;
3564 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3566 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3569 VMChangeStateEntry
*e
;
3571 e
= qemu_mallocz(sizeof (*e
));
3575 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3579 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3581 LIST_REMOVE (e
, entries
);
3585 static void vm_state_notify(int running
, int reason
)
3587 VMChangeStateEntry
*e
;
3589 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3590 e
->cb(e
->opaque
, running
, reason
);
3594 static void resume_all_vcpus(void);
3595 static void pause_all_vcpus(void);
3602 vm_state_notify(1, 0);
3603 qemu_rearm_alarm_timer(alarm_timer
);
3608 /* reset/shutdown handler */
3610 typedef struct QEMUResetEntry
{
3611 QEMUResetHandler
*func
;
3613 struct QEMUResetEntry
*next
;
3616 static QEMUResetEntry
*first_reset_entry
;
3617 static int reset_requested
;
3618 static int shutdown_requested
;
3619 static int powerdown_requested
;
3620 static int debug_requested
;
3621 static int vmstop_requested
;
3623 int qemu_shutdown_requested(void)
3625 int r
= shutdown_requested
;
3626 shutdown_requested
= 0;
3630 int qemu_reset_requested(void)
3632 int r
= reset_requested
;
3633 reset_requested
= 0;
3637 int qemu_powerdown_requested(void)
3639 int r
= powerdown_requested
;
3640 powerdown_requested
= 0;
3644 static int qemu_debug_requested(void)
3646 int r
= debug_requested
;
3647 debug_requested
= 0;
3651 static int qemu_vmstop_requested(void)
3653 int r
= vmstop_requested
;
3654 vmstop_requested
= 0;
3658 static void do_vm_stop(int reason
)
3661 cpu_disable_ticks();
3664 vm_state_notify(0, reason
);
3668 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3670 QEMUResetEntry
**pre
, *re
;
3672 pre
= &first_reset_entry
;
3673 while (*pre
!= NULL
)
3674 pre
= &(*pre
)->next
;
3675 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3677 re
->opaque
= opaque
;
3682 void qemu_system_reset(void)
3686 /* reset all devices */
3687 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3688 re
->func(re
->opaque
);
3694 void qemu_system_reset_request(void)
3697 shutdown_requested
= 1;
3699 reset_requested
= 1;
3701 qemu_notify_event();
3704 void qemu_system_shutdown_request(void)
3706 shutdown_requested
= 1;
3707 qemu_notify_event();
3710 void qemu_system_powerdown_request(void)
3712 powerdown_requested
= 1;
3713 qemu_notify_event();
3716 #ifdef CONFIG_IOTHREAD
3717 static void qemu_system_vmstop_request(int reason
)
3719 vmstop_requested
= reason
;
3720 qemu_notify_event();
3725 static int io_thread_fd
= -1;
3727 static void qemu_event_increment(void)
3729 static const char byte
= 0;
3731 if (io_thread_fd
== -1)
3734 write(io_thread_fd
, &byte
, sizeof(byte
));
3737 static void qemu_event_read(void *opaque
)
3739 int fd
= (unsigned long)opaque
;
3742 /* Drain the notify pipe */
3745 len
= read(fd
, buffer
, sizeof(buffer
));
3746 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
3749 static int qemu_event_init(void)
3758 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
3762 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
3766 qemu_set_fd_handler2(fds
[0], NULL
, qemu_event_read
, NULL
,
3767 (void *)(unsigned long)fds
[0]);
3769 io_thread_fd
= fds
[1];
3778 HANDLE qemu_event_handle
;
3780 static void dummy_event_handler(void *opaque
)
3784 static int qemu_event_init(void)
3786 qemu_event_handle
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
3787 if (!qemu_event_handle
) {
3788 perror("Failed CreateEvent");
3791 qemu_add_wait_object(qemu_event_handle
, dummy_event_handler
, NULL
);
3795 static void qemu_event_increment(void)
3797 SetEvent(qemu_event_handle
);
3801 static int cpu_can_run(CPUState
*env
)
3810 #ifndef CONFIG_IOTHREAD
3811 static int qemu_init_main_loop(void)
3813 return qemu_event_init();
3816 void qemu_init_vcpu(void *_env
)
3818 CPUState
*env
= _env
;
3825 int qemu_cpu_self(void *env
)
3830 static void resume_all_vcpus(void)
3834 static void pause_all_vcpus(void)
3838 void qemu_cpu_kick(void *env
)
3843 void qemu_notify_event(void)
3845 CPUState
*env
= cpu_single_env
;
3850 if (env
->kqemu_enabled
)
3851 kqemu_cpu_interrupt(env
);
3856 #define qemu_mutex_lock_iothread() do { } while (0)
3857 #define qemu_mutex_unlock_iothread() do { } while (0)
3859 void vm_stop(int reason
)
3864 #else /* CONFIG_IOTHREAD */
3866 #include "qemu-thread.h"
3868 QemuMutex qemu_global_mutex
;
3869 static QemuMutex qemu_fair_mutex
;
3871 static QemuThread io_thread
;
3873 static QemuThread
*tcg_cpu_thread
;
3874 static QemuCond
*tcg_halt_cond
;
3876 static int qemu_system_ready
;
3878 static QemuCond qemu_cpu_cond
;
3880 static QemuCond qemu_system_cond
;
3881 static QemuCond qemu_pause_cond
;
3883 static void block_io_signals(void);
3884 static void unblock_io_signals(void);
3885 static int tcg_has_work(void);
3887 static int qemu_init_main_loop(void)
3891 ret
= qemu_event_init();
3895 qemu_cond_init(&qemu_pause_cond
);
3896 qemu_mutex_init(&qemu_fair_mutex
);
3897 qemu_mutex_init(&qemu_global_mutex
);
3898 qemu_mutex_lock(&qemu_global_mutex
);
3900 unblock_io_signals();
3901 qemu_thread_self(&io_thread
);
3906 static void qemu_wait_io_event(CPUState
*env
)
3908 while (!tcg_has_work())
3909 qemu_cond_timedwait(env
->halt_cond
, &qemu_global_mutex
, 1000);
3911 qemu_mutex_unlock(&qemu_global_mutex
);
3914 * Users of qemu_global_mutex can be starved, having no chance
3915 * to acquire it since this path will get to it first.
3916 * So use another lock to provide fairness.
3918 qemu_mutex_lock(&qemu_fair_mutex
);
3919 qemu_mutex_unlock(&qemu_fair_mutex
);
3921 qemu_mutex_lock(&qemu_global_mutex
);
3925 qemu_cond_signal(&qemu_pause_cond
);
3929 static int qemu_cpu_exec(CPUState
*env
);
3931 static void *kvm_cpu_thread_fn(void *arg
)
3933 CPUState
*env
= arg
;
3936 qemu_thread_self(env
->thread
);
3938 /* signal CPU creation */
3939 qemu_mutex_lock(&qemu_global_mutex
);
3941 qemu_cond_signal(&qemu_cpu_cond
);
3943 /* and wait for machine initialization */
3944 while (!qemu_system_ready
)
3945 qemu_cond_timedwait(&qemu_system_cond
, &qemu_global_mutex
, 100);
3948 if (cpu_can_run(env
))
3950 qemu_wait_io_event(env
);
3956 static void tcg_cpu_exec(void);
3958 static void *tcg_cpu_thread_fn(void *arg
)
3960 CPUState
*env
= arg
;
3963 qemu_thread_self(env
->thread
);
3965 /* signal CPU creation */
3966 qemu_mutex_lock(&qemu_global_mutex
);
3967 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
3969 qemu_cond_signal(&qemu_cpu_cond
);
3971 /* and wait for machine initialization */
3972 while (!qemu_system_ready
)
3973 qemu_cond_timedwait(&qemu_system_cond
, &qemu_global_mutex
, 100);
3977 qemu_wait_io_event(cur_cpu
);
3983 void qemu_cpu_kick(void *_env
)
3985 CPUState
*env
= _env
;
3986 qemu_cond_broadcast(env
->halt_cond
);
3988 qemu_thread_signal(env
->thread
, SIGUSR1
);
3991 int qemu_cpu_self(void *env
)
3993 return (cpu_single_env
!= NULL
);
3996 static void cpu_signal(int sig
)
3999 cpu_exit(cpu_single_env
);
4002 static void block_io_signals(void)
4005 struct sigaction sigact
;
4008 sigaddset(&set
, SIGUSR2
);
4009 sigaddset(&set
, SIGIO
);
4010 sigaddset(&set
, SIGALRM
);
4011 pthread_sigmask(SIG_BLOCK
, &set
, NULL
);
4014 sigaddset(&set
, SIGUSR1
);
4015 pthread_sigmask(SIG_UNBLOCK
, &set
, NULL
);
4017 memset(&sigact
, 0, sizeof(sigact
));
4018 sigact
.sa_handler
= cpu_signal
;
4019 sigaction(SIGUSR1
, &sigact
, NULL
);
4022 static void unblock_io_signals(void)
4027 sigaddset(&set
, SIGUSR2
);
4028 sigaddset(&set
, SIGIO
);
4029 sigaddset(&set
, SIGALRM
);
4030 pthread_sigmask(SIG_UNBLOCK
, &set
, NULL
);
4033 sigaddset(&set
, SIGUSR1
);
4034 pthread_sigmask(SIG_BLOCK
, &set
, NULL
);
4037 static void qemu_signal_lock(unsigned int msecs
)
4039 qemu_mutex_lock(&qemu_fair_mutex
);
4041 while (qemu_mutex_trylock(&qemu_global_mutex
)) {
4042 qemu_thread_signal(tcg_cpu_thread
, SIGUSR1
);
4043 if (!qemu_mutex_timedlock(&qemu_global_mutex
, msecs
))
4046 qemu_mutex_unlock(&qemu_fair_mutex
);
4049 static void qemu_mutex_lock_iothread(void)
4051 if (kvm_enabled()) {
4052 qemu_mutex_lock(&qemu_fair_mutex
);
4053 qemu_mutex_lock(&qemu_global_mutex
);
4054 qemu_mutex_unlock(&qemu_fair_mutex
);
4056 qemu_signal_lock(100);
4059 static void qemu_mutex_unlock_iothread(void)
4061 qemu_mutex_unlock(&qemu_global_mutex
);
4064 static int all_vcpus_paused(void)
4066 CPUState
*penv
= first_cpu
;
4071 penv
= (CPUState
*)penv
->next_cpu
;
4077 static void pause_all_vcpus(void)
4079 CPUState
*penv
= first_cpu
;
4083 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4084 qemu_cpu_kick(penv
);
4085 penv
= (CPUState
*)penv
->next_cpu
;
4088 while (!all_vcpus_paused()) {
4089 qemu_cond_timedwait(&qemu_pause_cond
, &qemu_global_mutex
, 100);
4092 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4093 penv
= (CPUState
*)penv
->next_cpu
;
4098 static void resume_all_vcpus(void)
4100 CPUState
*penv
= first_cpu
;
4105 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4106 qemu_cpu_kick(penv
);
4107 penv
= (CPUState
*)penv
->next_cpu
;
4111 static void tcg_init_vcpu(void *_env
)
4113 CPUState
*env
= _env
;
4114 /* share a single thread for all cpus with TCG */
4115 if (!tcg_cpu_thread
) {
4116 env
->thread
= qemu_mallocz(sizeof(QemuThread
));
4117 env
->halt_cond
= qemu_mallocz(sizeof(QemuCond
));
4118 qemu_cond_init(env
->halt_cond
);
4119 qemu_thread_create(env
->thread
, tcg_cpu_thread_fn
, env
);
4120 while (env
->created
== 0)
4121 qemu_cond_timedwait(&qemu_cpu_cond
, &qemu_global_mutex
, 100);
4122 tcg_cpu_thread
= env
->thread
;
4123 tcg_halt_cond
= env
->halt_cond
;
4125 env
->thread
= tcg_cpu_thread
;
4126 env
->halt_cond
= tcg_halt_cond
;
4130 static void kvm_start_vcpu(CPUState
*env
)
4133 env
->thread
= qemu_mallocz(sizeof(QemuThread
));
4134 env
->halt_cond
= qemu_mallocz(sizeof(QemuCond
));
4135 qemu_cond_init(env
->halt_cond
);
4136 qemu_thread_create(env
->thread
, kvm_cpu_thread_fn
, env
);
4137 while (env
->created
== 0)
4138 qemu_cond_timedwait(&qemu_cpu_cond
, &qemu_global_mutex
, 100);
4141 void qemu_init_vcpu(void *_env
)
4143 CPUState
*env
= _env
;
4146 kvm_start_vcpu(env
);
4151 void qemu_notify_event(void)
4153 qemu_event_increment();
4156 void vm_stop(int reason
)
4159 qemu_thread_self(&me
);
4161 if (!qemu_thread_equal(&me
, &io_thread
)) {
4162 qemu_system_vmstop_request(reason
);
4164 * FIXME: should not return to device code in case
4165 * vm_stop() has been requested.
4167 if (cpu_single_env
) {
4168 cpu_exit(cpu_single_env
);
4169 cpu_single_env
->stop
= 1;
4180 static void host_main_loop_wait(int *timeout
)
4186 /* XXX: need to suppress polling by better using win32 events */
4188 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
4189 ret
|= pe
->func(pe
->opaque
);
4193 WaitObjects
*w
= &wait_objects
;
4195 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
4196 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
4197 if (w
->func
[ret
- WAIT_OBJECT_0
])
4198 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
4200 /* Check for additional signaled events */
4201 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
4203 /* Check if event is signaled */
4204 ret2
= WaitForSingleObject(w
->events
[i
], 0);
4205 if(ret2
== WAIT_OBJECT_0
) {
4207 w
->func
[i
](w
->opaque
[i
]);
4208 } else if (ret2
== WAIT_TIMEOUT
) {
4210 err
= GetLastError();
4211 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
4214 } else if (ret
== WAIT_TIMEOUT
) {
4216 err
= GetLastError();
4217 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
4224 static void host_main_loop_wait(int *timeout
)
4229 void main_loop_wait(int timeout
)
4231 IOHandlerRecord
*ioh
;
4232 fd_set rfds
, wfds
, xfds
;
4236 qemu_bh_update_timeout(&timeout
);
4238 host_main_loop_wait(&timeout
);
4240 /* poll any events */
4241 /* XXX: separate device handlers from system ones */
4246 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4250 (!ioh
->fd_read_poll
||
4251 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
4252 FD_SET(ioh
->fd
, &rfds
);
4256 if (ioh
->fd_write
) {
4257 FD_SET(ioh
->fd
, &wfds
);
4263 tv
.tv_sec
= timeout
/ 1000;
4264 tv
.tv_usec
= (timeout
% 1000) * 1000;
4266 #if defined(CONFIG_SLIRP)
4267 if (slirp_is_inited()) {
4268 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
4271 qemu_mutex_unlock_iothread();
4272 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
4273 qemu_mutex_lock_iothread();
4275 IOHandlerRecord
**pioh
;
4277 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4278 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
4279 ioh
->fd_read(ioh
->opaque
);
4281 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
4282 ioh
->fd_write(ioh
->opaque
);
4286 /* remove deleted IO handlers */
4287 pioh
= &first_io_handler
;
4297 #if defined(CONFIG_SLIRP)
4298 if (slirp_is_inited()) {
4304 slirp_select_poll(&rfds
, &wfds
, &xfds
);
4308 /* rearm timer, if not periodic */
4309 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
4310 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
4311 qemu_rearm_alarm_timer(alarm_timer
);
4314 /* vm time timers */
4316 if (!cur_cpu
|| likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
4317 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
4318 qemu_get_clock(vm_clock
));
4321 /* real time timers */
4322 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
4323 qemu_get_clock(rt_clock
));
4325 /* Check bottom-halves last in case any of the earlier events triggered
4331 static int qemu_cpu_exec(CPUState
*env
)
4334 #ifdef CONFIG_PROFILER
4338 #ifdef CONFIG_PROFILER
4339 ti
= profile_getclock();
4344 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
4345 env
->icount_decr
.u16
.low
= 0;
4346 env
->icount_extra
= 0;
4347 count
= qemu_next_deadline();
4348 count
= (count
+ (1 << icount_time_shift
) - 1)
4349 >> icount_time_shift
;
4350 qemu_icount
+= count
;
4351 decr
= (count
> 0xffff) ? 0xffff : count
;
4353 env
->icount_decr
.u16
.low
= decr
;
4354 env
->icount_extra
= count
;
4356 ret
= cpu_exec(env
);
4357 #ifdef CONFIG_PROFILER
4358 qemu_time
+= profile_getclock() - ti
;
4361 /* Fold pending instructions back into the
4362 instruction counter, and clear the interrupt flag. */
4363 qemu_icount
-= (env
->icount_decr
.u16
.low
4364 + env
->icount_extra
);
4365 env
->icount_decr
.u32
= 0;
4366 env
->icount_extra
= 0;
4371 static void tcg_cpu_exec(void)
4375 if (next_cpu
== NULL
)
4376 next_cpu
= first_cpu
;
4377 for (; next_cpu
!= NULL
; next_cpu
= next_cpu
->next_cpu
) {
4378 CPUState
*env
= cur_cpu
= next_cpu
;
4382 if (timer_alarm_pending
) {
4383 timer_alarm_pending
= 0;
4386 if (cpu_can_run(env
))
4387 ret
= qemu_cpu_exec(env
);
4388 if (ret
== EXCP_DEBUG
) {
4389 gdb_set_stop_cpu(env
);
4390 debug_requested
= 1;
4396 static int cpu_has_work(CPUState
*env
)
4404 if (qemu_cpu_has_work(env
))
4409 static int tcg_has_work(void)
4413 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
4414 if (cpu_has_work(env
))
4419 static int qemu_calculate_timeout(void)
4425 else if (tcg_has_work())
4427 else if (!use_icount
)
4430 /* XXX: use timeout computed from timers */
4433 /* Advance virtual time to the next event. */
4434 if (use_icount
== 1) {
4435 /* When not using an adaptive execution frequency
4436 we tend to get badly out of sync with real time,
4437 so just delay for a reasonable amount of time. */
4440 delta
= cpu_get_icount() - cpu_get_clock();
4443 /* If virtual time is ahead of real time then just
4445 timeout
= (delta
/ 1000000) + 1;
4447 /* Wait for either IO to occur or the next
4449 add
= qemu_next_deadline();
4450 /* We advance the timer before checking for IO.
4451 Limit the amount we advance so that early IO
4452 activity won't get the guest too far ahead. */
4456 add
= (add
+ (1 << icount_time_shift
) - 1)
4457 >> icount_time_shift
;
4459 timeout
= delta
/ 1000000;
4468 static int vm_can_run(void)
4470 if (powerdown_requested
)
4472 if (reset_requested
)
4474 if (shutdown_requested
)
4476 if (debug_requested
)
4481 static void main_loop(void)
4485 #ifdef CONFIG_IOTHREAD
4486 qemu_system_ready
= 1;
4487 qemu_cond_broadcast(&qemu_system_cond
);
4492 #ifdef CONFIG_PROFILER
4495 #ifndef CONFIG_IOTHREAD
4498 #ifdef CONFIG_PROFILER
4499 ti
= profile_getclock();
4501 #ifdef CONFIG_IOTHREAD
4502 main_loop_wait(1000);
4504 main_loop_wait(qemu_calculate_timeout());
4506 #ifdef CONFIG_PROFILER
4507 dev_time
+= profile_getclock() - ti
;
4509 } while (vm_can_run());
4511 if (qemu_debug_requested())
4512 vm_stop(EXCP_DEBUG
);
4513 if (qemu_shutdown_requested()) {
4520 if (qemu_reset_requested()) {
4522 qemu_system_reset();
4525 if (qemu_powerdown_requested())
4526 qemu_system_powerdown();
4527 if ((r
= qemu_vmstop_requested()))
4533 static void version(void)
4535 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
4538 static void help(int exitcode
)
4541 printf("usage: %s [options] [disk_image]\n"
4543 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4545 #define DEF(option, opt_arg, opt_enum, opt_help) \
4547 #define DEFHEADING(text) stringify(text) "\n"
4548 #include "qemu-options.h"
4553 "During emulation, the following keys are useful:\n"
4554 "ctrl-alt-f toggle full screen\n"
4555 "ctrl-alt-n switch to virtual console 'n'\n"
4556 "ctrl-alt toggle mouse and keyboard grab\n"
4558 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4563 DEFAULT_NETWORK_SCRIPT
,
4564 DEFAULT_NETWORK_DOWN_SCRIPT
,
4566 DEFAULT_GDBSTUB_PORT
,
4571 #define HAS_ARG 0x0001
4574 #define DEF(option, opt_arg, opt_enum, opt_help) \
4576 #define DEFHEADING(text)
4577 #include "qemu-options.h"
4583 typedef struct QEMUOption
{
4589 static const QEMUOption qemu_options
[] = {
4590 { "h", 0, QEMU_OPTION_h
},
4591 #define DEF(option, opt_arg, opt_enum, opt_help) \
4592 { option, opt_arg, opt_enum },
4593 #define DEFHEADING(text)
4594 #include "qemu-options.h"
4602 struct soundhw soundhw
[] = {
4603 #ifdef HAS_AUDIO_CHOICE
4604 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4610 { .init_isa
= pcspk_audio_init
}
4617 "Creative Sound Blaster 16",
4620 { .init_isa
= SB16_init
}
4624 #ifdef CONFIG_CS4231A
4630 { .init_isa
= cs4231a_init
}
4638 "Yamaha YMF262 (OPL3)",
4640 "Yamaha YM3812 (OPL2)",
4644 { .init_isa
= Adlib_init
}
4651 "Gravis Ultrasound GF1",
4654 { .init_isa
= GUS_init
}
4661 "Intel 82801AA AC97 Audio",
4664 { .init_pci
= ac97_init
}
4668 #ifdef CONFIG_ES1370
4671 "ENSONIQ AudioPCI ES1370",
4674 { .init_pci
= es1370_init
}
4678 #endif /* HAS_AUDIO_CHOICE */
4680 { NULL
, NULL
, 0, 0, { NULL
} }
4683 static void select_soundhw (const char *optarg
)
4687 if (*optarg
== '?') {
4690 printf ("Valid sound card names (comma separated):\n");
4691 for (c
= soundhw
; c
->name
; ++c
) {
4692 printf ("%-11s %s\n", c
->name
, c
->descr
);
4694 printf ("\n-soundhw all will enable all of the above\n");
4695 exit (*optarg
!= '?');
4703 if (!strcmp (optarg
, "all")) {
4704 for (c
= soundhw
; c
->name
; ++c
) {
4712 e
= strchr (p
, ',');
4713 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4715 for (c
= soundhw
; c
->name
; ++c
) {
4716 if (!strncmp (c
->name
, p
, l
)) {
4725 "Unknown sound card name (too big to show)\n");
4728 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4733 p
+= l
+ (e
!= NULL
);
4737 goto show_valid_cards
;
4742 static void select_vgahw (const char *p
)
4746 cirrus_vga_enabled
= 0;
4747 std_vga_enabled
= 0;
4750 if (strstart(p
, "std", &opts
)) {
4751 std_vga_enabled
= 1;
4752 } else if (strstart(p
, "cirrus", &opts
)) {
4753 cirrus_vga_enabled
= 1;
4754 } else if (strstart(p
, "vmware", &opts
)) {
4756 } else if (strstart(p
, "xenfb", &opts
)) {
4758 } else if (!strstart(p
, "none", &opts
)) {
4760 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4764 const char *nextopt
;
4766 if (strstart(opts
, ",retrace=", &nextopt
)) {
4768 if (strstart(opts
, "dumb", &nextopt
))
4769 vga_retrace_method
= VGA_RETRACE_DUMB
;
4770 else if (strstart(opts
, "precise", &nextopt
))
4771 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4772 else goto invalid_vga
;
4773 } else goto invalid_vga
;
4779 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4781 exit(STATUS_CONTROL_C_EXIT
);
4786 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4790 if(strlen(str
) != 36)
4793 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4794 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4795 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4801 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
4807 #define MAX_NET_CLIENTS 32
4811 static void termsig_handler(int signal
)
4813 qemu_system_shutdown_request();
4816 static void termsig_setup(void)
4818 struct sigaction act
;
4820 memset(&act
, 0, sizeof(act
));
4821 act
.sa_handler
= termsig_handler
;
4822 sigaction(SIGINT
, &act
, NULL
);
4823 sigaction(SIGHUP
, &act
, NULL
);
4824 sigaction(SIGTERM
, &act
, NULL
);
4829 int main(int argc
, char **argv
, char **envp
)
4831 const char *gdbstub_dev
= NULL
;
4832 uint32_t boot_devices_bitmap
= 0;
4834 int snapshot
, linux_boot
, net_boot
;
4835 const char *initrd_filename
;
4836 const char *kernel_filename
, *kernel_cmdline
;
4837 const char *boot_devices
= "";
4839 DisplayChangeListener
*dcl
;
4840 int cyls
, heads
, secs
, translation
;
4841 const char *net_clients
[MAX_NET_CLIENTS
];
4843 const char *bt_opts
[MAX_BT_CMDLINE
];
4847 const char *r
, *optarg
;
4848 CharDriverState
*monitor_hd
= NULL
;
4849 const char *monitor_device
;
4850 const char *serial_devices
[MAX_SERIAL_PORTS
];
4851 int serial_device_index
;
4852 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4853 int parallel_device_index
;
4854 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
4855 int virtio_console_index
;
4856 const char *loadvm
= NULL
;
4857 QEMUMachine
*machine
;
4858 const char *cpu_model
;
4859 const char *usb_devices
[MAX_USB_CMDLINE
];
4860 int usb_devices_index
;
4865 const char *pid_file
= NULL
;
4866 const char *incoming
= NULL
;
4869 struct passwd
*pwd
= NULL
;
4870 const char *chroot_dir
= NULL
;
4871 const char *run_as
= NULL
;
4874 int show_vnc_port
= 0;
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 module_call_init(MODULE_INIT_MACHINE
);
4910 machine
= find_default_machine();
4912 initrd_filename
= NULL
;
4915 kernel_filename
= NULL
;
4916 kernel_cmdline
= "";
4917 cyls
= heads
= secs
= 0;
4918 translation
= BIOS_ATA_TRANSLATION_AUTO
;
4919 monitor_device
= "vc:80Cx24C";
4921 serial_devices
[0] = "vc:80Cx24C";
4922 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
4923 serial_devices
[i
] = NULL
;
4924 serial_device_index
= 0;
4926 parallel_devices
[0] = "vc:80Cx24C";
4927 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
4928 parallel_devices
[i
] = NULL
;
4929 parallel_device_index
= 0;
4931 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++)
4932 virtio_consoles
[i
] = NULL
;
4933 virtio_console_index
= 0;
4935 for (i
= 0; i
< MAX_NODES
; i
++) {
4937 node_cpumask
[i
] = 0;
4940 usb_devices_index
= 0;
4954 register_watchdogs();
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
->is_default
? " (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_numa
:
5099 if (nb_numa_nodes
>= MAX_NODES
) {
5100 fprintf(stderr
, "qemu: too many NUMA nodes\n");
5105 case QEMU_OPTION_nographic
:
5106 display_type
= DT_NOGRAPHIC
;
5108 #ifdef CONFIG_CURSES
5109 case QEMU_OPTION_curses
:
5110 display_type
= DT_CURSES
;
5113 case QEMU_OPTION_portrait
:
5116 case QEMU_OPTION_kernel
:
5117 kernel_filename
= optarg
;
5119 case QEMU_OPTION_append
:
5120 kernel_cmdline
= optarg
;
5122 case QEMU_OPTION_cdrom
:
5123 drive_add(optarg
, CDROM_ALIAS
);
5125 case QEMU_OPTION_boot
:
5126 boot_devices
= optarg
;
5127 /* We just do some generic consistency checks */
5129 /* Could easily be extended to 64 devices if needed */
5132 boot_devices_bitmap
= 0;
5133 for (p
= boot_devices
; *p
!= '\0'; p
++) {
5134 /* Allowed boot devices are:
5135 * a b : floppy disk drives
5136 * c ... f : IDE disk drives
5137 * g ... m : machine implementation dependant drives
5138 * n ... p : network devices
5139 * It's up to each machine implementation to check
5140 * if the given boot devices match the actual hardware
5141 * implementation and firmware features.
5143 if (*p
< 'a' || *p
> 'q') {
5144 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
5147 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
5149 "Boot device '%c' was given twice\n",*p
);
5152 boot_devices_bitmap
|= 1 << (*p
- 'a');
5156 case QEMU_OPTION_fda
:
5157 case QEMU_OPTION_fdb
:
5158 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
5161 case QEMU_OPTION_no_fd_bootchk
:
5165 case QEMU_OPTION_net
:
5166 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
5167 fprintf(stderr
, "qemu: too many network clients\n");
5170 net_clients
[nb_net_clients
] = optarg
;
5174 case QEMU_OPTION_tftp
:
5175 tftp_prefix
= optarg
;
5177 case QEMU_OPTION_bootp
:
5178 bootp_filename
= optarg
;
5181 case QEMU_OPTION_smb
:
5182 net_slirp_smb(optarg
);
5185 case QEMU_OPTION_redir
:
5186 net_slirp_redir(NULL
, optarg
);
5189 case QEMU_OPTION_bt
:
5190 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
5191 fprintf(stderr
, "qemu: too many bluetooth options\n");
5194 bt_opts
[nb_bt_opts
++] = optarg
;
5197 case QEMU_OPTION_audio_help
:
5201 case QEMU_OPTION_soundhw
:
5202 select_soundhw (optarg
);
5208 case QEMU_OPTION_version
:
5212 case QEMU_OPTION_m
: {
5216 value
= strtoul(optarg
, &ptr
, 10);
5218 case 0: case 'M': case 'm':
5225 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
5229 /* On 32-bit hosts, QEMU is limited by virtual address space */
5230 if (value
> (2047 << 20)
5231 #ifndef CONFIG_KQEMU
5232 && HOST_LONG_BITS
== 32
5235 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
5238 if (value
!= (uint64_t)(ram_addr_t
)value
) {
5239 fprintf(stderr
, "qemu: ram size too large\n");
5248 const CPULogItem
*item
;
5250 mask
= cpu_str_to_log_mask(optarg
);
5252 printf("Log items (comma separated):\n");
5253 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5254 printf("%-10s %s\n", item
->name
, item
->help
);
5262 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
5264 case QEMU_OPTION_gdb
:
5265 gdbstub_dev
= optarg
;
5270 case QEMU_OPTION_bios
:
5273 case QEMU_OPTION_singlestep
:
5281 keyboard_layout
= optarg
;
5284 case QEMU_OPTION_localtime
:
5287 case QEMU_OPTION_vga
:
5288 select_vgahw (optarg
);
5290 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5296 w
= strtol(p
, (char **)&p
, 10);
5299 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5305 h
= strtol(p
, (char **)&p
, 10);
5310 depth
= strtol(p
, (char **)&p
, 10);
5311 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5312 depth
!= 24 && depth
!= 32)
5314 } else if (*p
== '\0') {
5315 depth
= graphic_depth
;
5322 graphic_depth
= depth
;
5326 case QEMU_OPTION_echr
:
5329 term_escape_char
= strtol(optarg
, &r
, 0);
5331 printf("Bad argument to echr\n");
5334 case QEMU_OPTION_monitor
:
5335 monitor_device
= optarg
;
5337 case QEMU_OPTION_serial
:
5338 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5339 fprintf(stderr
, "qemu: too many serial ports\n");
5342 serial_devices
[serial_device_index
] = optarg
;
5343 serial_device_index
++;
5345 case QEMU_OPTION_watchdog
:
5346 i
= select_watchdog(optarg
);
5348 exit (i
== 1 ? 1 : 0);
5350 case QEMU_OPTION_watchdog_action
:
5351 if (select_watchdog_action(optarg
) == -1) {
5352 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
5356 case QEMU_OPTION_virtiocon
:
5357 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
5358 fprintf(stderr
, "qemu: too many virtio consoles\n");
5361 virtio_consoles
[virtio_console_index
] = optarg
;
5362 virtio_console_index
++;
5364 case QEMU_OPTION_parallel
:
5365 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5366 fprintf(stderr
, "qemu: too many parallel ports\n");
5369 parallel_devices
[parallel_device_index
] = optarg
;
5370 parallel_device_index
++;
5372 case QEMU_OPTION_loadvm
:
5375 case QEMU_OPTION_full_screen
:
5379 case QEMU_OPTION_no_frame
:
5382 case QEMU_OPTION_alt_grab
:
5385 case QEMU_OPTION_no_quit
:
5388 case QEMU_OPTION_sdl
:
5389 display_type
= DT_SDL
;
5392 case QEMU_OPTION_pidfile
:
5396 case QEMU_OPTION_win2k_hack
:
5397 win2k_install_hack
= 1;
5399 case QEMU_OPTION_rtc_td_hack
:
5402 case QEMU_OPTION_acpitable
:
5403 if(acpi_table_add(optarg
) < 0) {
5404 fprintf(stderr
, "Wrong acpi table provided\n");
5408 case QEMU_OPTION_smbios
:
5409 if(smbios_entry_add(optarg
) < 0) {
5410 fprintf(stderr
, "Wrong smbios provided\n");
5416 case QEMU_OPTION_no_kqemu
:
5419 case QEMU_OPTION_kernel_kqemu
:
5424 case QEMU_OPTION_enable_kvm
:
5431 case QEMU_OPTION_usb
:
5434 case QEMU_OPTION_usbdevice
:
5436 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5437 fprintf(stderr
, "Too many USB devices\n");
5440 usb_devices
[usb_devices_index
] = optarg
;
5441 usb_devices_index
++;
5443 case QEMU_OPTION_smp
:
5444 smp_cpus
= atoi(optarg
);
5446 fprintf(stderr
, "Invalid number of CPUs\n");
5450 case QEMU_OPTION_vnc
:
5451 display_type
= DT_VNC
;
5452 vnc_display
= optarg
;
5455 case QEMU_OPTION_no_acpi
:
5458 case QEMU_OPTION_no_hpet
:
5462 case QEMU_OPTION_no_reboot
:
5465 case QEMU_OPTION_no_shutdown
:
5468 case QEMU_OPTION_show_cursor
:
5471 case QEMU_OPTION_uuid
:
5472 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5473 fprintf(stderr
, "Fail to parse UUID string."
5474 " Wrong format.\n");
5479 case QEMU_OPTION_daemonize
:
5483 case QEMU_OPTION_option_rom
:
5484 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5485 fprintf(stderr
, "Too many option ROMs\n");
5488 option_rom
[nb_option_roms
] = optarg
;
5491 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5492 case QEMU_OPTION_semihosting
:
5493 semihosting_enabled
= 1;
5496 case QEMU_OPTION_name
:
5499 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5500 case QEMU_OPTION_prom_env
:
5501 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5502 fprintf(stderr
, "Too many prom variables\n");
5505 prom_envs
[nb_prom_envs
] = optarg
;
5510 case QEMU_OPTION_old_param
:
5514 case QEMU_OPTION_clock
:
5515 configure_alarms(optarg
);
5517 case QEMU_OPTION_startdate
:
5520 time_t rtc_start_date
;
5521 if (!strcmp(optarg
, "now")) {
5522 rtc_date_offset
= -1;
5524 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5532 } else if (sscanf(optarg
, "%d-%d-%d",
5535 &tm
.tm_mday
) == 3) {
5544 rtc_start_date
= mktimegm(&tm
);
5545 if (rtc_start_date
== -1) {
5547 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5548 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5551 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5555 case QEMU_OPTION_tb_size
:
5556 tb_size
= strtol(optarg
, NULL
, 0);
5560 case QEMU_OPTION_icount
:
5562 if (strcmp(optarg
, "auto") == 0) {
5563 icount_time_shift
= -1;
5565 icount_time_shift
= strtol(optarg
, NULL
, 0);
5568 case QEMU_OPTION_incoming
:
5572 case QEMU_OPTION_chroot
:
5573 chroot_dir
= optarg
;
5575 case QEMU_OPTION_runas
:
5580 case QEMU_OPTION_xen_domid
:
5581 xen_domid
= atoi(optarg
);
5583 case QEMU_OPTION_xen_create
:
5584 xen_mode
= XEN_CREATE
;
5586 case QEMU_OPTION_xen_attach
:
5587 xen_mode
= XEN_ATTACH
;
5594 #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
5595 if (kvm_allowed
&& kqemu_allowed
) {
5597 "You can not enable both KVM and kqemu at the same time\n");
5602 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5603 if (smp_cpus
> machine
->max_cpus
) {
5604 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5605 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5610 if (display_type
== DT_NOGRAPHIC
) {
5611 if (serial_device_index
== 0)
5612 serial_devices
[0] = "stdio";
5613 if (parallel_device_index
== 0)
5614 parallel_devices
[0] = "null";
5615 if (strncmp(monitor_device
, "vc", 2) == 0)
5616 monitor_device
= "stdio";
5623 if (pipe(fds
) == -1)
5634 len
= read(fds
[0], &status
, 1);
5635 if (len
== -1 && (errno
== EINTR
))
5640 else if (status
== 1) {
5641 fprintf(stderr
, "Could not acquire pidfile\n");
5658 signal(SIGTSTP
, SIG_IGN
);
5659 signal(SIGTTOU
, SIG_IGN
);
5660 signal(SIGTTIN
, SIG_IGN
);
5663 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5666 write(fds
[1], &status
, 1);
5668 fprintf(stderr
, "Could not acquire pid file\n");
5677 if (qemu_init_main_loop()) {
5678 fprintf(stderr
, "qemu_init_main_loop failed\n");
5681 linux_boot
= (kernel_filename
!= NULL
);
5682 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5684 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5685 fprintf(stderr
, "-append only allowed with -kernel option\n");
5689 if (!linux_boot
&& initrd_filename
!= NULL
) {
5690 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5694 /* boot to floppy or the default cd if no hard disk defined yet */
5695 if (!boot_devices
[0]) {
5696 boot_devices
= "cad";
5698 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5701 if (init_timer_alarm() < 0) {
5702 fprintf(stderr
, "could not initialize alarm timer\n");
5705 if (use_icount
&& icount_time_shift
< 0) {
5707 /* 125MIPS seems a reasonable initial guess at the guest speed.
5708 It will be corrected fairly quickly anyway. */
5709 icount_time_shift
= 3;
5710 init_icount_adjust();
5717 /* init network clients */
5718 if (nb_net_clients
== 0) {
5719 /* if no clients, we use a default config */
5720 net_clients
[nb_net_clients
++] = "nic";
5722 net_clients
[nb_net_clients
++] = "user";
5726 for(i
= 0;i
< nb_net_clients
; i
++) {
5727 if (net_client_parse(net_clients
[i
]) < 0)
5733 /* XXX: this should be moved in the PC machine instantiation code */
5734 if (net_boot
!= 0) {
5736 for (i
= 0; i
< nb_nics
&& i
< 4; i
++) {
5737 const char *model
= nd_table
[i
].model
;
5739 if (net_boot
& (1 << i
)) {
5742 snprintf(buf
, sizeof(buf
), "%s/pxe-%s.bin", bios_dir
, model
);
5743 if (get_image_size(buf
) > 0) {
5744 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5745 fprintf(stderr
, "Too many option ROMs\n");
5748 option_rom
[nb_option_roms
] = strdup(buf
);
5755 fprintf(stderr
, "No valid PXE rom found for network device\n");
5761 /* init the bluetooth world */
5762 for (i
= 0; i
< nb_bt_opts
; i
++)
5763 if (bt_parse(bt_opts
[i
]))
5766 /* init the memory */
5768 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5771 /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
5772 guest ram allocation. It needs to go away. */
5773 if (kqemu_allowed
) {
5774 kqemu_phys_ram_size
= ram_size
+ 8 * 1024 * 1024 + 4 * 1024 * 1024;
5775 kqemu_phys_ram_base
= qemu_vmalloc(kqemu_phys_ram_size
);
5776 if (!kqemu_phys_ram_base
) {
5777 fprintf(stderr
, "Could not allocate physical memory\n");
5783 /* init the dynamic translator */
5784 cpu_exec_init_all(tb_size
* 1024 * 1024);
5789 /* we always create the cdrom drive, even if no disk is there */
5791 if (nb_drives_opt
< MAX_DRIVES
)
5792 drive_add(NULL
, CDROM_ALIAS
);
5794 /* we always create at least one floppy */
5796 if (nb_drives_opt
< MAX_DRIVES
)
5797 drive_add(NULL
, FD_ALIAS
, 0);
5799 /* we always create one sd slot, even if no card is in it */
5801 if (nb_drives_opt
< MAX_DRIVES
)
5802 drive_add(NULL
, SD_ALIAS
);
5804 /* open the virtual block devices */
5806 for(i
= 0; i
< nb_drives_opt
; i
++)
5807 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5810 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5811 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5814 /* must be after terminal init, SDL library changes signal handlers */
5818 /* Maintain compatibility with multiple stdio monitors */
5819 if (!strcmp(monitor_device
,"stdio")) {
5820 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5821 const char *devname
= serial_devices
[i
];
5822 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5823 monitor_device
= NULL
;
5825 } else if (devname
&& !strcmp(devname
,"stdio")) {
5826 monitor_device
= NULL
;
5827 serial_devices
[i
] = "mon:stdio";
5833 if (nb_numa_nodes
> 0) {
5836 if (nb_numa_nodes
> smp_cpus
) {
5837 nb_numa_nodes
= smp_cpus
;
5840 /* If no memory size if given for any node, assume the default case
5841 * and distribute the available memory equally across all nodes
5843 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5844 if (node_mem
[i
] != 0)
5847 if (i
== nb_numa_nodes
) {
5848 uint64_t usedmem
= 0;
5850 /* On Linux, the each node's border has to be 8MB aligned,
5851 * the final node gets the rest.
5853 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
5854 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
5855 usedmem
+= node_mem
[i
];
5857 node_mem
[i
] = ram_size
- usedmem
;
5860 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5861 if (node_cpumask
[i
] != 0)
5864 /* assigning the VCPUs round-robin is easier to implement, guest OSes
5865 * must cope with this anyway, because there are BIOSes out there in
5866 * real machines which also use this scheme.
5868 if (i
== nb_numa_nodes
) {
5869 for (i
= 0; i
< smp_cpus
; i
++) {
5870 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
5875 if (kvm_enabled()) {
5878 ret
= kvm_init(smp_cpus
);
5880 fprintf(stderr
, "failed to initialize KVM\n");
5885 if (monitor_device
) {
5886 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
5888 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
5893 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5894 const char *devname
= serial_devices
[i
];
5895 if (devname
&& strcmp(devname
, "none")) {
5897 snprintf(label
, sizeof(label
), "serial%d", i
);
5898 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5899 if (!serial_hds
[i
]) {
5900 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
5907 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
5908 const char *devname
= parallel_devices
[i
];
5909 if (devname
&& strcmp(devname
, "none")) {
5911 snprintf(label
, sizeof(label
), "parallel%d", i
);
5912 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5913 if (!parallel_hds
[i
]) {
5914 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
5921 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
5922 const char *devname
= virtio_consoles
[i
];
5923 if (devname
&& strcmp(devname
, "none")) {
5925 snprintf(label
, sizeof(label
), "virtcon%d", i
);
5926 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
5927 if (!virtcon_hds
[i
]) {
5928 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
5935 module_call_init(MODULE_INIT_DEVICE
);
5937 machine
->init(ram_size
, boot_devices
,
5938 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
5941 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
5942 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5943 if (node_cpumask
[i
] & (1 << env
->cpu_index
)) {
5949 current_machine
= machine
;
5951 /* Set KVM's vcpu state to qemu's initial CPUState. */
5952 if (kvm_enabled()) {
5955 ret
= kvm_sync_vcpus();
5957 fprintf(stderr
, "failed to initialize vcpus\n");
5962 /* init USB devices */
5964 for(i
= 0; i
< usb_devices_index
; i
++) {
5965 if (usb_device_add(usb_devices
[i
], 0) < 0) {
5966 fprintf(stderr
, "Warning: could not add USB device %s\n",
5973 dumb_display_init();
5974 /* just use the first displaystate for the moment */
5977 if (display_type
== DT_DEFAULT
) {
5978 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
5979 display_type
= DT_SDL
;
5981 display_type
= DT_VNC
;
5982 vnc_display
= "localhost:0,to=99";
5988 switch (display_type
) {
5991 #if defined(CONFIG_CURSES)
5993 curses_display_init(ds
, full_screen
);
5996 #if defined(CONFIG_SDL)
5998 sdl_display_init(ds
, full_screen
, no_frame
);
6000 #elif defined(CONFIG_COCOA)
6002 cocoa_display_init(ds
, full_screen
);
6006 vnc_display_init(ds
);
6007 if (vnc_display_open(ds
, vnc_display
) < 0)
6010 if (show_vnc_port
) {
6011 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
6019 dcl
= ds
->listeners
;
6020 while (dcl
!= NULL
) {
6021 if (dcl
->dpy_refresh
!= NULL
) {
6022 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
6023 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
6028 if (display_type
== DT_NOGRAPHIC
|| display_type
== DT_VNC
) {
6029 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
6030 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
6033 text_consoles_set_display(display_state
);
6034 qemu_chr_initial_reset();
6036 if (monitor_device
&& monitor_hd
)
6037 monitor_init(monitor_hd
, MONITOR_USE_READLINE
| MONITOR_IS_DEFAULT
);
6039 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6040 const char *devname
= serial_devices
[i
];
6041 if (devname
&& strcmp(devname
, "none")) {
6043 snprintf(label
, sizeof(label
), "serial%d", i
);
6044 if (strstart(devname
, "vc", 0))
6045 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
6049 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6050 const char *devname
= parallel_devices
[i
];
6051 if (devname
&& strcmp(devname
, "none")) {
6053 snprintf(label
, sizeof(label
), "parallel%d", i
);
6054 if (strstart(devname
, "vc", 0))
6055 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
6059 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
6060 const char *devname
= virtio_consoles
[i
];
6061 if (virtcon_hds
[i
] && devname
) {
6063 snprintf(label
, sizeof(label
), "virtcon%d", i
);
6064 if (strstart(devname
, "vc", 0))
6065 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
6069 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
6070 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
6076 do_loadvm(cur_mon
, loadvm
);
6079 autostart
= 0; /* fixme how to deal with -daemonize */
6080 qemu_start_incoming_migration(incoming
);
6092 len
= write(fds
[1], &status
, 1);
6093 if (len
== -1 && (errno
== EINTR
))
6100 TFR(fd
= open("/dev/null", O_RDWR
));
6106 pwd
= getpwnam(run_as
);
6108 fprintf(stderr
, "User \"%s\" doesn't exist\n", run_as
);
6114 if (chroot(chroot_dir
) < 0) {
6115 fprintf(stderr
, "chroot failed\n");
6122 if (setgid(pwd
->pw_gid
) < 0) {
6123 fprintf(stderr
, "Failed to setgid(%d)\n", pwd
->pw_gid
);
6126 if (setuid(pwd
->pw_uid
) < 0) {
6127 fprintf(stderr
, "Failed to setuid(%d)\n", pwd
->pw_uid
);
6130 if (setuid(0) != -1) {
6131 fprintf(stderr
, "Dropping privileges failed\n");