4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 /* Needed early for HOST_BSD etc. */
33 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #if defined(__NetBSD__)
48 #include <net/if_tap.h>
51 #include <linux/if_tun.h>
53 #include <arpa/inet.h>
56 #include <sys/select.h>
59 #if defined(__FreeBSD__) || defined(__DragonFly__)
64 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
65 #include <freebsd/stdlib.h>
70 #include <linux/rtc.h>
72 /* For the benefit of older linux systems which don't supply it,
73 we use a local copy of hpet.h. */
74 /* #include <linux/hpet.h> */
77 #include <linux/ppdev.h>
78 #include <linux/parport.h>
82 #include <sys/ethernet.h>
83 #include <sys/sockio.h>
84 #include <netinet/arp.h>
85 #include <netinet/in.h>
86 #include <netinet/in_systm.h>
87 #include <netinet/ip.h>
88 #include <netinet/ip_icmp.h> // must come after ip.h
89 #include <netinet/udp.h>
90 #include <netinet/tcp.h>
98 #if defined(__OpenBSD__)
102 #if defined(CONFIG_VDE)
103 #include <libvdeplug.h>
109 #include <sys/timeb.h>
110 #include <mmsystem.h>
111 #define getopt_long_only getopt_long
112 #define memalign(align, size) malloc(size)
116 #if defined(__APPLE__) || defined(main)
118 int qemu_main(int argc
, char **argv
, char **envp
);
119 int main(int argc
, char **argv
)
121 return qemu_main(argc
, argv
, NULL
);
124 #define main qemu_main
126 #endif /* CONFIG_SDL */
130 #define main qemu_main
131 #endif /* CONFIG_COCOA */
134 #include "hw/boards.h"
136 #include "hw/pcmcia.h"
138 #include "hw/audiodev.h"
142 #include "hw/watchdog.h"
143 #include "hw/smbios.h"
151 #include "qemu-timer.h"
152 #include "qemu-char.h"
153 #include "cache-utils.h"
156 #include "audio/audio.h"
157 #include "migration.h"
160 #include "qemu-option.h"
164 #include "exec-all.h"
166 #include "qemu_socket.h"
168 #include "slirp/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 static const char *data_dir
;
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;
245 int virtio_balloon
= 1;
246 const char *virtio_balloon_devaddr
;
251 int graphic_rotate
= 0;
255 WatchdogTimerModel
*watchdog
= NULL
;
256 int watchdog_action
= WDT_RESET
;
257 const char *option_rom
[MAX_OPTION_ROMS
];
259 int semihosting_enabled
= 0;
263 const char *qemu_name
;
265 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
266 unsigned int nb_prom_envs
= 0;
267 const char *prom_envs
[MAX_PROM_ENVS
];
270 struct drive_opt drives_opt
[MAX_DRIVES
];
273 uint64_t node_mem
[MAX_NODES
];
274 uint64_t node_cpumask
[MAX_NODES
];
276 static CPUState
*cur_cpu
;
277 static CPUState
*next_cpu
;
278 static int timer_alarm_pending
= 1;
279 /* Conversion factor from emulated instructions to virtual clock ticks. */
280 static int icount_time_shift
;
281 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
282 #define MAX_ICOUNT_SHIFT 10
283 /* Compensate for varying guest execution speed. */
284 static int64_t qemu_icount_bias
;
285 static QEMUTimer
*icount_rt_timer
;
286 static QEMUTimer
*icount_vm_timer
;
287 static QEMUTimer
*nographic_timer
;
289 uint8_t qemu_uuid
[16];
291 /***********************************************************/
292 /* x86 ISA bus support */
294 target_phys_addr_t isa_mem_base
= 0;
297 static IOPortReadFunc default_ioport_readb
, default_ioport_readw
, default_ioport_readl
;
298 static IOPortWriteFunc default_ioport_writeb
, default_ioport_writew
, default_ioport_writel
;
300 static uint32_t ioport_read(int index
, uint32_t address
)
302 static IOPortReadFunc
*default_func
[3] = {
303 default_ioport_readb
,
304 default_ioport_readw
,
307 IOPortReadFunc
*func
= ioport_read_table
[index
][address
];
309 func
= default_func
[index
];
310 return func(ioport_opaque
[address
], address
);
313 static void ioport_write(int index
, uint32_t address
, uint32_t data
)
315 static IOPortWriteFunc
*default_func
[3] = {
316 default_ioport_writeb
,
317 default_ioport_writew
,
318 default_ioport_writel
320 IOPortWriteFunc
*func
= ioport_write_table
[index
][address
];
322 func
= default_func
[index
];
323 func(ioport_opaque
[address
], address
, data
);
326 static uint32_t default_ioport_readb(void *opaque
, uint32_t address
)
328 #ifdef DEBUG_UNUSED_IOPORT
329 fprintf(stderr
, "unused inb: port=0x%04x\n", address
);
334 static void default_ioport_writeb(void *opaque
, uint32_t address
, uint32_t data
)
336 #ifdef DEBUG_UNUSED_IOPORT
337 fprintf(stderr
, "unused outb: port=0x%04x data=0x%02x\n", address
, data
);
341 /* default is to make two byte accesses */
342 static uint32_t default_ioport_readw(void *opaque
, uint32_t address
)
345 data
= ioport_read(0, address
);
346 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
347 data
|= ioport_read(0, address
) << 8;
351 static void default_ioport_writew(void *opaque
, uint32_t address
, uint32_t data
)
353 ioport_write(0, address
, data
& 0xff);
354 address
= (address
+ 1) & (MAX_IOPORTS
- 1);
355 ioport_write(0, address
, (data
>> 8) & 0xff);
358 static uint32_t default_ioport_readl(void *opaque
, uint32_t address
)
360 #ifdef DEBUG_UNUSED_IOPORT
361 fprintf(stderr
, "unused inl: port=0x%04x\n", address
);
366 static void default_ioport_writel(void *opaque
, uint32_t address
, uint32_t data
)
368 #ifdef DEBUG_UNUSED_IOPORT
369 fprintf(stderr
, "unused outl: port=0x%04x data=0x%02x\n", address
, data
);
373 /* size is the word size in byte */
374 int register_ioport_read(int start
, int length
, int size
,
375 IOPortReadFunc
*func
, void *opaque
)
381 } else if (size
== 2) {
383 } else if (size
== 4) {
386 hw_error("register_ioport_read: invalid size");
389 for(i
= start
; i
< start
+ length
; i
+= size
) {
390 ioport_read_table
[bsize
][i
] = func
;
391 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
392 hw_error("register_ioport_read: invalid opaque");
393 ioport_opaque
[i
] = opaque
;
398 /* size is the word size in byte */
399 int register_ioport_write(int start
, int length
, int size
,
400 IOPortWriteFunc
*func
, void *opaque
)
406 } else if (size
== 2) {
408 } else if (size
== 4) {
411 hw_error("register_ioport_write: invalid size");
414 for(i
= start
; i
< start
+ length
; i
+= size
) {
415 ioport_write_table
[bsize
][i
] = func
;
416 if (ioport_opaque
[i
] != NULL
&& ioport_opaque
[i
] != opaque
)
417 hw_error("register_ioport_write: invalid opaque");
418 ioport_opaque
[i
] = opaque
;
423 void isa_unassign_ioport(int start
, int length
)
427 for(i
= start
; i
< start
+ length
; i
++) {
428 ioport_read_table
[0][i
] = default_ioport_readb
;
429 ioport_read_table
[1][i
] = default_ioport_readw
;
430 ioport_read_table
[2][i
] = default_ioport_readl
;
432 ioport_write_table
[0][i
] = default_ioport_writeb
;
433 ioport_write_table
[1][i
] = default_ioport_writew
;
434 ioport_write_table
[2][i
] = default_ioport_writel
;
436 ioport_opaque
[i
] = NULL
;
440 /***********************************************************/
442 void cpu_outb(CPUState
*env
, int addr
, int val
)
444 LOG_IOPORT("outb: %04x %02x\n", addr
, val
);
445 ioport_write(0, addr
, val
);
448 env
->last_io_time
= cpu_get_time_fast();
452 void cpu_outw(CPUState
*env
, int addr
, int val
)
454 LOG_IOPORT("outw: %04x %04x\n", addr
, val
);
455 ioport_write(1, addr
, val
);
458 env
->last_io_time
= cpu_get_time_fast();
462 void cpu_outl(CPUState
*env
, int addr
, int val
)
464 LOG_IOPORT("outl: %04x %08x\n", addr
, val
);
465 ioport_write(2, addr
, val
);
468 env
->last_io_time
= cpu_get_time_fast();
472 int cpu_inb(CPUState
*env
, int addr
)
475 val
= ioport_read(0, addr
);
476 LOG_IOPORT("inb : %04x %02x\n", addr
, val
);
479 env
->last_io_time
= cpu_get_time_fast();
484 int cpu_inw(CPUState
*env
, int addr
)
487 val
= ioport_read(1, addr
);
488 LOG_IOPORT("inw : %04x %04x\n", addr
, val
);
491 env
->last_io_time
= cpu_get_time_fast();
496 int cpu_inl(CPUState
*env
, int addr
)
499 val
= ioport_read(2, addr
);
500 LOG_IOPORT("inl : %04x %08x\n", addr
, val
);
503 env
->last_io_time
= cpu_get_time_fast();
508 /***********************************************************/
509 void hw_error(const char *fmt
, ...)
515 fprintf(stderr
, "qemu: hardware error: ");
516 vfprintf(stderr
, fmt
, ap
);
517 fprintf(stderr
, "\n");
518 for(env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
519 fprintf(stderr
, "CPU #%d:\n", env
->cpu_index
);
521 cpu_dump_state(env
, stderr
, fprintf
, X86_DUMP_FPU
);
523 cpu_dump_state(env
, stderr
, fprintf
, 0);
533 static QEMUBalloonEvent
*qemu_balloon_event
;
534 void *qemu_balloon_event_opaque
;
536 void qemu_add_balloon_handler(QEMUBalloonEvent
*func
, void *opaque
)
538 qemu_balloon_event
= func
;
539 qemu_balloon_event_opaque
= opaque
;
542 void qemu_balloon(ram_addr_t target
)
544 if (qemu_balloon_event
)
545 qemu_balloon_event(qemu_balloon_event_opaque
, target
);
548 ram_addr_t
qemu_balloon_status(void)
550 if (qemu_balloon_event
)
551 return qemu_balloon_event(qemu_balloon_event_opaque
, 0);
555 /***********************************************************/
558 static QEMUPutKBDEvent
*qemu_put_kbd_event
;
559 static void *qemu_put_kbd_event_opaque
;
560 static QEMUPutMouseEntry
*qemu_put_mouse_event_head
;
561 static QEMUPutMouseEntry
*qemu_put_mouse_event_current
;
563 void qemu_add_kbd_event_handler(QEMUPutKBDEvent
*func
, void *opaque
)
565 qemu_put_kbd_event_opaque
= opaque
;
566 qemu_put_kbd_event
= func
;
569 QEMUPutMouseEntry
*qemu_add_mouse_event_handler(QEMUPutMouseEvent
*func
,
570 void *opaque
, int absolute
,
573 QEMUPutMouseEntry
*s
, *cursor
;
575 s
= qemu_mallocz(sizeof(QEMUPutMouseEntry
));
577 s
->qemu_put_mouse_event
= func
;
578 s
->qemu_put_mouse_event_opaque
= opaque
;
579 s
->qemu_put_mouse_event_absolute
= absolute
;
580 s
->qemu_put_mouse_event_name
= qemu_strdup(name
);
583 if (!qemu_put_mouse_event_head
) {
584 qemu_put_mouse_event_head
= qemu_put_mouse_event_current
= s
;
588 cursor
= qemu_put_mouse_event_head
;
589 while (cursor
->next
!= NULL
)
590 cursor
= cursor
->next
;
593 qemu_put_mouse_event_current
= s
;
598 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry
*entry
)
600 QEMUPutMouseEntry
*prev
= NULL
, *cursor
;
602 if (!qemu_put_mouse_event_head
|| entry
== NULL
)
605 cursor
= qemu_put_mouse_event_head
;
606 while (cursor
!= NULL
&& cursor
!= entry
) {
608 cursor
= cursor
->next
;
611 if (cursor
== NULL
) // does not exist or list empty
613 else if (prev
== NULL
) { // entry is head
614 qemu_put_mouse_event_head
= cursor
->next
;
615 if (qemu_put_mouse_event_current
== entry
)
616 qemu_put_mouse_event_current
= cursor
->next
;
617 qemu_free(entry
->qemu_put_mouse_event_name
);
622 prev
->next
= entry
->next
;
624 if (qemu_put_mouse_event_current
== entry
)
625 qemu_put_mouse_event_current
= prev
;
627 qemu_free(entry
->qemu_put_mouse_event_name
);
631 void kbd_put_keycode(int keycode
)
633 if (qemu_put_kbd_event
) {
634 qemu_put_kbd_event(qemu_put_kbd_event_opaque
, keycode
);
638 void kbd_mouse_event(int dx
, int dy
, int dz
, int buttons_state
)
640 QEMUPutMouseEvent
*mouse_event
;
641 void *mouse_event_opaque
;
644 if (!qemu_put_mouse_event_current
) {
649 qemu_put_mouse_event_current
->qemu_put_mouse_event
;
651 qemu_put_mouse_event_current
->qemu_put_mouse_event_opaque
;
654 if (graphic_rotate
) {
655 if (qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
)
658 width
= graphic_width
- 1;
659 mouse_event(mouse_event_opaque
,
660 width
- dy
, dx
, dz
, buttons_state
);
662 mouse_event(mouse_event_opaque
,
663 dx
, dy
, dz
, buttons_state
);
667 int kbd_mouse_is_absolute(void)
669 if (!qemu_put_mouse_event_current
)
672 return qemu_put_mouse_event_current
->qemu_put_mouse_event_absolute
;
675 void do_info_mice(Monitor
*mon
)
677 QEMUPutMouseEntry
*cursor
;
680 if (!qemu_put_mouse_event_head
) {
681 monitor_printf(mon
, "No mouse devices connected\n");
685 monitor_printf(mon
, "Mouse devices available:\n");
686 cursor
= qemu_put_mouse_event_head
;
687 while (cursor
!= NULL
) {
688 monitor_printf(mon
, "%c Mouse #%d: %s\n",
689 (cursor
== qemu_put_mouse_event_current
? '*' : ' '),
690 index
, cursor
->qemu_put_mouse_event_name
);
692 cursor
= cursor
->next
;
696 void do_mouse_set(Monitor
*mon
, int index
)
698 QEMUPutMouseEntry
*cursor
;
701 if (!qemu_put_mouse_event_head
) {
702 monitor_printf(mon
, "No mouse devices connected\n");
706 cursor
= qemu_put_mouse_event_head
;
707 while (cursor
!= NULL
&& index
!= i
) {
709 cursor
= cursor
->next
;
713 qemu_put_mouse_event_current
= cursor
;
715 monitor_printf(mon
, "Mouse at given index not found\n");
718 /* compute with 96 bit intermediate result: (a*b)/c */
719 uint64_t muldiv64(uint64_t a
, uint32_t b
, uint32_t c
)
724 #ifdef WORDS_BIGENDIAN
734 rl
= (uint64_t)u
.l
.low
* (uint64_t)b
;
735 rh
= (uint64_t)u
.l
.high
* (uint64_t)b
;
738 res
.l
.low
= (((rh
% c
) << 32) + (rl
& 0xffffffff)) / c
;
742 /***********************************************************/
743 /* real time host monotonic timer */
745 #define QEMU_TIMER_BASE 1000000000LL
749 static int64_t clock_freq
;
751 static void init_get_clock(void)
755 ret
= QueryPerformanceFrequency(&freq
);
757 fprintf(stderr
, "Could not calibrate ticks\n");
760 clock_freq
= freq
.QuadPart
;
763 static int64_t get_clock(void)
766 QueryPerformanceCounter(&ti
);
767 return muldiv64(ti
.QuadPart
, QEMU_TIMER_BASE
, clock_freq
);
772 static int use_rt_clock
;
774 static void init_get_clock(void)
777 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
778 || defined(__DragonFly__)
781 if (clock_gettime(CLOCK_MONOTONIC
, &ts
) == 0) {
788 static int64_t get_clock(void)
790 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
791 || defined(__DragonFly__)
794 clock_gettime(CLOCK_MONOTONIC
, &ts
);
795 return ts
.tv_sec
* 1000000000LL + ts
.tv_nsec
;
799 /* XXX: using gettimeofday leads to problems if the date
800 changes, so it should be avoided. */
802 gettimeofday(&tv
, NULL
);
803 return tv
.tv_sec
* 1000000000LL + (tv
.tv_usec
* 1000);
808 /* Return the virtual CPU time, based on the instruction counter. */
809 static int64_t cpu_get_icount(void)
812 CPUState
*env
= cpu_single_env
;;
813 icount
= qemu_icount
;
816 fprintf(stderr
, "Bad clock read\n");
817 icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
819 return qemu_icount_bias
+ (icount
<< icount_time_shift
);
822 /***********************************************************/
823 /* guest cycle counter */
825 static int64_t cpu_ticks_prev
;
826 static int64_t cpu_ticks_offset
;
827 static int64_t cpu_clock_offset
;
828 static int cpu_ticks_enabled
;
830 /* return the host CPU cycle counter and handle stop/restart */
831 int64_t cpu_get_ticks(void)
834 return cpu_get_icount();
836 if (!cpu_ticks_enabled
) {
837 return cpu_ticks_offset
;
840 ticks
= cpu_get_real_ticks();
841 if (cpu_ticks_prev
> ticks
) {
842 /* Note: non increasing ticks may happen if the host uses
844 cpu_ticks_offset
+= cpu_ticks_prev
- ticks
;
846 cpu_ticks_prev
= ticks
;
847 return ticks
+ cpu_ticks_offset
;
851 /* return the host CPU monotonic timer and handle stop/restart */
852 static int64_t cpu_get_clock(void)
855 if (!cpu_ticks_enabled
) {
856 return cpu_clock_offset
;
859 return ti
+ cpu_clock_offset
;
863 /* enable cpu_get_ticks() */
864 void cpu_enable_ticks(void)
866 if (!cpu_ticks_enabled
) {
867 cpu_ticks_offset
-= cpu_get_real_ticks();
868 cpu_clock_offset
-= get_clock();
869 cpu_ticks_enabled
= 1;
873 /* disable cpu_get_ticks() : the clock is stopped. You must not call
874 cpu_get_ticks() after that. */
875 void cpu_disable_ticks(void)
877 if (cpu_ticks_enabled
) {
878 cpu_ticks_offset
= cpu_get_ticks();
879 cpu_clock_offset
= cpu_get_clock();
880 cpu_ticks_enabled
= 0;
884 /***********************************************************/
887 #define QEMU_TIMER_REALTIME 0
888 #define QEMU_TIMER_VIRTUAL 1
892 /* XXX: add frequency */
900 struct QEMUTimer
*next
;
903 struct qemu_alarm_timer
{
907 int (*start
)(struct qemu_alarm_timer
*t
);
908 void (*stop
)(struct qemu_alarm_timer
*t
);
909 void (*rearm
)(struct qemu_alarm_timer
*t
);
913 #define ALARM_FLAG_DYNTICKS 0x1
914 #define ALARM_FLAG_EXPIRED 0x2
916 static inline int alarm_has_dynticks(struct qemu_alarm_timer
*t
)
918 return t
&& (t
->flags
& ALARM_FLAG_DYNTICKS
);
921 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer
*t
)
923 if (!alarm_has_dynticks(t
))
929 /* TODO: MIN_TIMER_REARM_US should be optimized */
930 #define MIN_TIMER_REARM_US 250
932 static struct qemu_alarm_timer
*alarm_timer
;
936 struct qemu_alarm_win32
{
939 } alarm_win32_data
= {0, -1};
941 static int win32_start_timer(struct qemu_alarm_timer
*t
);
942 static void win32_stop_timer(struct qemu_alarm_timer
*t
);
943 static void win32_rearm_timer(struct qemu_alarm_timer
*t
);
947 static int unix_start_timer(struct qemu_alarm_timer
*t
);
948 static void unix_stop_timer(struct qemu_alarm_timer
*t
);
952 static int dynticks_start_timer(struct qemu_alarm_timer
*t
);
953 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
);
954 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
);
956 static int hpet_start_timer(struct qemu_alarm_timer
*t
);
957 static void hpet_stop_timer(struct qemu_alarm_timer
*t
);
959 static int rtc_start_timer(struct qemu_alarm_timer
*t
);
960 static void rtc_stop_timer(struct qemu_alarm_timer
*t
);
962 #endif /* __linux__ */
966 /* Correlation between real and virtual time is always going to be
967 fairly approximate, so ignore small variation.
968 When the guest is idle real and virtual time will be aligned in
970 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
972 static void icount_adjust(void)
977 static int64_t last_delta
;
978 /* If the VM is not running, then do nothing. */
982 cur_time
= cpu_get_clock();
983 cur_icount
= qemu_get_clock(vm_clock
);
984 delta
= cur_icount
- cur_time
;
985 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
987 && last_delta
+ ICOUNT_WOBBLE
< delta
* 2
988 && icount_time_shift
> 0) {
989 /* The guest is getting too far ahead. Slow time down. */
993 && last_delta
- ICOUNT_WOBBLE
> delta
* 2
994 && icount_time_shift
< MAX_ICOUNT_SHIFT
) {
995 /* The guest is getting too far behind. Speed time up. */
999 qemu_icount_bias
= cur_icount
- (qemu_icount
<< icount_time_shift
);
1002 static void icount_adjust_rt(void * opaque
)
1004 qemu_mod_timer(icount_rt_timer
,
1005 qemu_get_clock(rt_clock
) + 1000);
1009 static void icount_adjust_vm(void * opaque
)
1011 qemu_mod_timer(icount_vm_timer
,
1012 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1016 static void init_icount_adjust(void)
1018 /* Have both realtime and virtual time triggers for speed adjustment.
1019 The realtime trigger catches emulated time passing too slowly,
1020 the virtual time trigger catches emulated time passing too fast.
1021 Realtime triggers occur even when idle, so use them less frequently
1022 than VM triggers. */
1023 icount_rt_timer
= qemu_new_timer(rt_clock
, icount_adjust_rt
, NULL
);
1024 qemu_mod_timer(icount_rt_timer
,
1025 qemu_get_clock(rt_clock
) + 1000);
1026 icount_vm_timer
= qemu_new_timer(vm_clock
, icount_adjust_vm
, NULL
);
1027 qemu_mod_timer(icount_vm_timer
,
1028 qemu_get_clock(vm_clock
) + QEMU_TIMER_BASE
/ 10);
1031 static struct qemu_alarm_timer alarm_timers
[] = {
1034 {"dynticks", ALARM_FLAG_DYNTICKS
, dynticks_start_timer
,
1035 dynticks_stop_timer
, dynticks_rearm_timer
, NULL
},
1036 /* HPET - if available - is preferred */
1037 {"hpet", 0, hpet_start_timer
, hpet_stop_timer
, NULL
, NULL
},
1038 /* ...otherwise try RTC */
1039 {"rtc", 0, rtc_start_timer
, rtc_stop_timer
, NULL
, NULL
},
1041 {"unix", 0, unix_start_timer
, unix_stop_timer
, NULL
, NULL
},
1043 {"dynticks", ALARM_FLAG_DYNTICKS
, win32_start_timer
,
1044 win32_stop_timer
, win32_rearm_timer
, &alarm_win32_data
},
1045 {"win32", 0, win32_start_timer
,
1046 win32_stop_timer
, NULL
, &alarm_win32_data
},
1051 static void show_available_alarms(void)
1055 printf("Available alarm timers, in order of precedence:\n");
1056 for (i
= 0; alarm_timers
[i
].name
; i
++)
1057 printf("%s\n", alarm_timers
[i
].name
);
1060 static void configure_alarms(char const *opt
)
1064 int count
= ARRAY_SIZE(alarm_timers
) - 1;
1067 struct qemu_alarm_timer tmp
;
1069 if (!strcmp(opt
, "?")) {
1070 show_available_alarms();
1076 /* Reorder the array */
1077 name
= strtok(arg
, ",");
1079 for (i
= 0; i
< count
&& alarm_timers
[i
].name
; i
++) {
1080 if (!strcmp(alarm_timers
[i
].name
, name
))
1085 fprintf(stderr
, "Unknown clock %s\n", name
);
1094 tmp
= alarm_timers
[i
];
1095 alarm_timers
[i
] = alarm_timers
[cur
];
1096 alarm_timers
[cur
] = tmp
;
1100 name
= strtok(NULL
, ",");
1106 /* Disable remaining timers */
1107 for (i
= cur
; i
< count
; i
++)
1108 alarm_timers
[i
].name
= NULL
;
1110 show_available_alarms();
1115 QEMUClock
*rt_clock
;
1116 QEMUClock
*vm_clock
;
1118 static QEMUTimer
*active_timers
[2];
1120 static QEMUClock
*qemu_new_clock(int type
)
1123 clock
= qemu_mallocz(sizeof(QEMUClock
));
1128 QEMUTimer
*qemu_new_timer(QEMUClock
*clock
, QEMUTimerCB
*cb
, void *opaque
)
1132 ts
= qemu_mallocz(sizeof(QEMUTimer
));
1135 ts
->opaque
= opaque
;
1139 void qemu_free_timer(QEMUTimer
*ts
)
1144 /* stop a timer, but do not dealloc it */
1145 void qemu_del_timer(QEMUTimer
*ts
)
1149 /* NOTE: this code must be signal safe because
1150 qemu_timer_expired() can be called from a signal. */
1151 pt
= &active_timers
[ts
->clock
->type
];
1164 /* modify the current timer so that it will be fired when current_time
1165 >= expire_time. The corresponding callback will be called. */
1166 void qemu_mod_timer(QEMUTimer
*ts
, int64_t expire_time
)
1172 /* add the timer in the sorted list */
1173 /* NOTE: this code must be signal safe because
1174 qemu_timer_expired() can be called from a signal. */
1175 pt
= &active_timers
[ts
->clock
->type
];
1180 if (t
->expire_time
> expire_time
)
1184 ts
->expire_time
= expire_time
;
1188 /* Rearm if necessary */
1189 if (pt
== &active_timers
[ts
->clock
->type
]) {
1190 if ((alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) == 0) {
1191 qemu_rearm_alarm_timer(alarm_timer
);
1193 /* Interrupt execution to force deadline recalculation. */
1195 qemu_notify_event();
1199 int qemu_timer_pending(QEMUTimer
*ts
)
1202 for(t
= active_timers
[ts
->clock
->type
]; t
!= NULL
; t
= t
->next
) {
1209 static inline int qemu_timer_expired(QEMUTimer
*timer_head
, int64_t current_time
)
1213 return (timer_head
->expire_time
<= current_time
);
1216 static void qemu_run_timers(QEMUTimer
**ptimer_head
, int64_t current_time
)
1222 if (!ts
|| ts
->expire_time
> current_time
)
1224 /* remove timer from the list before calling the callback */
1225 *ptimer_head
= ts
->next
;
1228 /* run the callback (the timer list can be modified) */
1233 int64_t qemu_get_clock(QEMUClock
*clock
)
1235 switch(clock
->type
) {
1236 case QEMU_TIMER_REALTIME
:
1237 return get_clock() / 1000000;
1239 case QEMU_TIMER_VIRTUAL
:
1241 return cpu_get_icount();
1243 return cpu_get_clock();
1248 static void init_timers(void)
1251 ticks_per_sec
= QEMU_TIMER_BASE
;
1252 rt_clock
= qemu_new_clock(QEMU_TIMER_REALTIME
);
1253 vm_clock
= qemu_new_clock(QEMU_TIMER_VIRTUAL
);
1257 void qemu_put_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1259 uint64_t expire_time
;
1261 if (qemu_timer_pending(ts
)) {
1262 expire_time
= ts
->expire_time
;
1266 qemu_put_be64(f
, expire_time
);
1269 void qemu_get_timer(QEMUFile
*f
, QEMUTimer
*ts
)
1271 uint64_t expire_time
;
1273 expire_time
= qemu_get_be64(f
);
1274 if (expire_time
!= -1) {
1275 qemu_mod_timer(ts
, expire_time
);
1281 static void timer_save(QEMUFile
*f
, void *opaque
)
1283 if (cpu_ticks_enabled
) {
1284 hw_error("cannot save state if virtual timers are running");
1286 qemu_put_be64(f
, cpu_ticks_offset
);
1287 qemu_put_be64(f
, ticks_per_sec
);
1288 qemu_put_be64(f
, cpu_clock_offset
);
1291 static int timer_load(QEMUFile
*f
, void *opaque
, int version_id
)
1293 if (version_id
!= 1 && version_id
!= 2)
1295 if (cpu_ticks_enabled
) {
1298 cpu_ticks_offset
=qemu_get_be64(f
);
1299 ticks_per_sec
=qemu_get_be64(f
);
1300 if (version_id
== 2) {
1301 cpu_clock_offset
=qemu_get_be64(f
);
1306 static void qemu_event_increment(void);
1309 static void CALLBACK
host_alarm_handler(UINT uTimerID
, UINT uMsg
,
1310 DWORD_PTR dwUser
, DWORD_PTR dw1
,
1313 static void host_alarm_handler(int host_signum
)
1317 #define DISP_FREQ 1000
1319 static int64_t delta_min
= INT64_MAX
;
1320 static int64_t delta_max
, delta_cum
, last_clock
, delta
, ti
;
1322 ti
= qemu_get_clock(vm_clock
);
1323 if (last_clock
!= 0) {
1324 delta
= ti
- last_clock
;
1325 if (delta
< delta_min
)
1327 if (delta
> delta_max
)
1330 if (++count
== DISP_FREQ
) {
1331 printf("timer: min=%" PRId64
" us max=%" PRId64
" us avg=%" PRId64
" us avg_freq=%0.3f Hz\n",
1332 muldiv64(delta_min
, 1000000, ticks_per_sec
),
1333 muldiv64(delta_max
, 1000000, ticks_per_sec
),
1334 muldiv64(delta_cum
, 1000000 / DISP_FREQ
, ticks_per_sec
),
1335 (double)ticks_per_sec
/ ((double)delta_cum
/ DISP_FREQ
));
1337 delta_min
= INT64_MAX
;
1345 if (alarm_has_dynticks(alarm_timer
) ||
1347 qemu_timer_expired(active_timers
[QEMU_TIMER_VIRTUAL
],
1348 qemu_get_clock(vm_clock
))) ||
1349 qemu_timer_expired(active_timers
[QEMU_TIMER_REALTIME
],
1350 qemu_get_clock(rt_clock
))) {
1351 qemu_event_increment();
1352 if (alarm_timer
) alarm_timer
->flags
|= ALARM_FLAG_EXPIRED
;
1354 #ifndef CONFIG_IOTHREAD
1356 /* stop the currently executing cpu because a timer occured */
1359 if (next_cpu
->kqemu_enabled
) {
1360 kqemu_cpu_interrupt(next_cpu
);
1365 timer_alarm_pending
= 1;
1366 qemu_notify_event();
1370 static int64_t qemu_next_deadline(void)
1374 if (active_timers
[QEMU_TIMER_VIRTUAL
]) {
1375 delta
= active_timers
[QEMU_TIMER_VIRTUAL
]->expire_time
-
1376 qemu_get_clock(vm_clock
);
1378 /* To avoid problems with overflow limit this to 2^32. */
1388 #if defined(__linux__) || defined(_WIN32)
1389 static uint64_t qemu_next_deadline_dyntick(void)
1397 delta
= (qemu_next_deadline() + 999) / 1000;
1399 if (active_timers
[QEMU_TIMER_REALTIME
]) {
1400 rtdelta
= (active_timers
[QEMU_TIMER_REALTIME
]->expire_time
-
1401 qemu_get_clock(rt_clock
))*1000;
1402 if (rtdelta
< delta
)
1406 if (delta
< MIN_TIMER_REARM_US
)
1407 delta
= MIN_TIMER_REARM_US
;
1415 /* Sets a specific flag */
1416 static int fcntl_setfl(int fd
, int flag
)
1420 flags
= fcntl(fd
, F_GETFL
);
1424 if (fcntl(fd
, F_SETFL
, flags
| flag
) == -1)
1430 #if defined(__linux__)
1432 #define RTC_FREQ 1024
1434 static void enable_sigio_timer(int fd
)
1436 struct sigaction act
;
1439 sigfillset(&act
.sa_mask
);
1441 act
.sa_handler
= host_alarm_handler
;
1443 sigaction(SIGIO
, &act
, NULL
);
1444 fcntl_setfl(fd
, O_ASYNC
);
1445 fcntl(fd
, F_SETOWN
, getpid());
1448 static int hpet_start_timer(struct qemu_alarm_timer
*t
)
1450 struct hpet_info info
;
1453 fd
= open("/dev/hpet", O_RDONLY
);
1458 r
= ioctl(fd
, HPET_IRQFREQ
, RTC_FREQ
);
1460 fprintf(stderr
, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1461 "error, but for better emulation accuracy type:\n"
1462 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1466 /* Check capabilities */
1467 r
= ioctl(fd
, HPET_INFO
, &info
);
1471 /* Enable periodic mode */
1472 r
= ioctl(fd
, HPET_EPI
, 0);
1473 if (info
.hi_flags
&& (r
< 0))
1476 /* Enable interrupt */
1477 r
= ioctl(fd
, HPET_IE_ON
, 0);
1481 enable_sigio_timer(fd
);
1482 t
->priv
= (void *)(long)fd
;
1490 static void hpet_stop_timer(struct qemu_alarm_timer
*t
)
1492 int fd
= (long)t
->priv
;
1497 static int rtc_start_timer(struct qemu_alarm_timer
*t
)
1500 unsigned long current_rtc_freq
= 0;
1502 TFR(rtc_fd
= open("/dev/rtc", O_RDONLY
));
1505 ioctl(rtc_fd
, RTC_IRQP_READ
, ¤t_rtc_freq
);
1506 if (current_rtc_freq
!= RTC_FREQ
&&
1507 ioctl(rtc_fd
, RTC_IRQP_SET
, RTC_FREQ
) < 0) {
1508 fprintf(stderr
, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1509 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1510 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1513 if (ioctl(rtc_fd
, RTC_PIE_ON
, 0) < 0) {
1519 enable_sigio_timer(rtc_fd
);
1521 t
->priv
= (void *)(long)rtc_fd
;
1526 static void rtc_stop_timer(struct qemu_alarm_timer
*t
)
1528 int rtc_fd
= (long)t
->priv
;
1533 static int dynticks_start_timer(struct qemu_alarm_timer
*t
)
1537 struct sigaction act
;
1539 sigfillset(&act
.sa_mask
);
1541 act
.sa_handler
= host_alarm_handler
;
1543 sigaction(SIGALRM
, &act
, NULL
);
1546 * Initialize ev struct to 0 to avoid valgrind complaining
1547 * about uninitialized data in timer_create call
1549 memset(&ev
, 0, sizeof(ev
));
1550 ev
.sigev_value
.sival_int
= 0;
1551 ev
.sigev_notify
= SIGEV_SIGNAL
;
1552 ev
.sigev_signo
= SIGALRM
;
1554 if (timer_create(CLOCK_REALTIME
, &ev
, &host_timer
)) {
1555 perror("timer_create");
1557 /* disable dynticks */
1558 fprintf(stderr
, "Dynamic Ticks disabled\n");
1563 t
->priv
= (void *)(long)host_timer
;
1568 static void dynticks_stop_timer(struct qemu_alarm_timer
*t
)
1570 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1572 timer_delete(host_timer
);
1575 static void dynticks_rearm_timer(struct qemu_alarm_timer
*t
)
1577 timer_t host_timer
= (timer_t
)(long)t
->priv
;
1578 struct itimerspec timeout
;
1579 int64_t nearest_delta_us
= INT64_MAX
;
1582 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1583 !active_timers
[QEMU_TIMER_VIRTUAL
])
1586 nearest_delta_us
= qemu_next_deadline_dyntick();
1588 /* check whether a timer is already running */
1589 if (timer_gettime(host_timer
, &timeout
)) {
1591 fprintf(stderr
, "Internal timer error: aborting\n");
1594 current_us
= timeout
.it_value
.tv_sec
* 1000000 + timeout
.it_value
.tv_nsec
/1000;
1595 if (current_us
&& current_us
<= nearest_delta_us
)
1598 timeout
.it_interval
.tv_sec
= 0;
1599 timeout
.it_interval
.tv_nsec
= 0; /* 0 for one-shot timer */
1600 timeout
.it_value
.tv_sec
= nearest_delta_us
/ 1000000;
1601 timeout
.it_value
.tv_nsec
= (nearest_delta_us
% 1000000) * 1000;
1602 if (timer_settime(host_timer
, 0 /* RELATIVE */, &timeout
, NULL
)) {
1604 fprintf(stderr
, "Internal timer error: aborting\n");
1609 #endif /* defined(__linux__) */
1611 static int unix_start_timer(struct qemu_alarm_timer
*t
)
1613 struct sigaction act
;
1614 struct itimerval itv
;
1618 sigfillset(&act
.sa_mask
);
1620 act
.sa_handler
= host_alarm_handler
;
1622 sigaction(SIGALRM
, &act
, NULL
);
1624 itv
.it_interval
.tv_sec
= 0;
1625 /* for i386 kernel 2.6 to get 1 ms */
1626 itv
.it_interval
.tv_usec
= 999;
1627 itv
.it_value
.tv_sec
= 0;
1628 itv
.it_value
.tv_usec
= 10 * 1000;
1630 err
= setitimer(ITIMER_REAL
, &itv
, NULL
);
1637 static void unix_stop_timer(struct qemu_alarm_timer
*t
)
1639 struct itimerval itv
;
1641 memset(&itv
, 0, sizeof(itv
));
1642 setitimer(ITIMER_REAL
, &itv
, NULL
);
1645 #endif /* !defined(_WIN32) */
1650 static int win32_start_timer(struct qemu_alarm_timer
*t
)
1653 struct qemu_alarm_win32
*data
= t
->priv
;
1656 memset(&tc
, 0, sizeof(tc
));
1657 timeGetDevCaps(&tc
, sizeof(tc
));
1659 if (data
->period
< tc
.wPeriodMin
)
1660 data
->period
= tc
.wPeriodMin
;
1662 timeBeginPeriod(data
->period
);
1664 flags
= TIME_CALLBACK_FUNCTION
;
1665 if (alarm_has_dynticks(t
))
1666 flags
|= TIME_ONESHOT
;
1668 flags
|= TIME_PERIODIC
;
1670 data
->timerId
= timeSetEvent(1, // interval (ms)
1671 data
->period
, // resolution
1672 host_alarm_handler
, // function
1673 (DWORD
)t
, // parameter
1676 if (!data
->timerId
) {
1677 perror("Failed to initialize win32 alarm timer");
1678 timeEndPeriod(data
->period
);
1685 static void win32_stop_timer(struct qemu_alarm_timer
*t
)
1687 struct qemu_alarm_win32
*data
= t
->priv
;
1689 timeKillEvent(data
->timerId
);
1690 timeEndPeriod(data
->period
);
1693 static void win32_rearm_timer(struct qemu_alarm_timer
*t
)
1695 struct qemu_alarm_win32
*data
= t
->priv
;
1696 uint64_t nearest_delta_us
;
1698 if (!active_timers
[QEMU_TIMER_REALTIME
] &&
1699 !active_timers
[QEMU_TIMER_VIRTUAL
])
1702 nearest_delta_us
= qemu_next_deadline_dyntick();
1703 nearest_delta_us
/= 1000;
1705 timeKillEvent(data
->timerId
);
1707 data
->timerId
= timeSetEvent(1,
1711 TIME_ONESHOT
| TIME_PERIODIC
);
1713 if (!data
->timerId
) {
1714 perror("Failed to re-arm win32 alarm timer");
1716 timeEndPeriod(data
->period
);
1723 static int init_timer_alarm(void)
1725 struct qemu_alarm_timer
*t
= NULL
;
1728 for (i
= 0; alarm_timers
[i
].name
; i
++) {
1729 t
= &alarm_timers
[i
];
1749 static void quit_timers(void)
1751 alarm_timer
->stop(alarm_timer
);
1755 /***********************************************************/
1756 /* host time/date access */
1757 void qemu_get_timedate(struct tm
*tm
, int offset
)
1764 if (rtc_date_offset
== -1) {
1768 ret
= localtime(&ti
);
1770 ti
-= rtc_date_offset
;
1774 memcpy(tm
, ret
, sizeof(struct tm
));
1777 int qemu_timedate_diff(struct tm
*tm
)
1781 if (rtc_date_offset
== -1)
1783 seconds
= mktimegm(tm
);
1785 seconds
= mktime(tm
);
1787 seconds
= mktimegm(tm
) + rtc_date_offset
;
1789 return seconds
- time(NULL
);
1793 static void socket_cleanup(void)
1798 static int socket_init(void)
1803 ret
= WSAStartup(MAKEWORD(2,2), &Data
);
1805 err
= WSAGetLastError();
1806 fprintf(stderr
, "WSAStartup: %d\n", err
);
1809 atexit(socket_cleanup
);
1814 int get_next_param_value(char *buf
, int buf_size
,
1815 const char *tag
, const char **pstr
)
1822 p
= get_opt_name(option
, sizeof(option
), p
, '=');
1826 if (!strcmp(tag
, option
)) {
1827 *pstr
= get_opt_value(buf
, buf_size
, p
);
1828 if (**pstr
== ',') {
1833 p
= get_opt_value(NULL
, 0, p
);
1842 int get_param_value(char *buf
, int buf_size
,
1843 const char *tag
, const char *str
)
1845 return get_next_param_value(buf
, buf_size
, tag
, &str
);
1848 int check_params(char *buf
, int buf_size
,
1849 const char * const *params
, const char *str
)
1855 while (*p
!= '\0') {
1856 p
= get_opt_name(buf
, buf_size
, p
, '=');
1861 for (i
= 0; params
[i
] != NULL
; i
++) {
1862 if (!strcmp(params
[i
], buf
)) {
1866 if (params
[i
] == NULL
) {
1869 p
= get_opt_value(NULL
, 0, p
);
1878 /***********************************************************/
1879 /* Bluetooth support */
1882 static struct HCIInfo
*hci_table
[MAX_NICS
];
1884 static struct bt_vlan_s
{
1885 struct bt_scatternet_s net
;
1887 struct bt_vlan_s
*next
;
1890 /* find or alloc a new bluetooth "VLAN" */
1891 static struct bt_scatternet_s
*qemu_find_bt_vlan(int id
)
1893 struct bt_vlan_s
**pvlan
, *vlan
;
1894 for (vlan
= first_bt_vlan
; vlan
!= NULL
; vlan
= vlan
->next
) {
1898 vlan
= qemu_mallocz(sizeof(struct bt_vlan_s
));
1900 pvlan
= &first_bt_vlan
;
1901 while (*pvlan
!= NULL
)
1902 pvlan
= &(*pvlan
)->next
;
1907 static void null_hci_send(struct HCIInfo
*hci
, const uint8_t *data
, int len
)
1911 static int null_hci_addr_set(struct HCIInfo
*hci
, const uint8_t *bd_addr
)
1916 static struct HCIInfo null_hci
= {
1917 .cmd_send
= null_hci_send
,
1918 .sco_send
= null_hci_send
,
1919 .acl_send
= null_hci_send
,
1920 .bdaddr_set
= null_hci_addr_set
,
1923 struct HCIInfo
*qemu_next_hci(void)
1925 if (cur_hci
== nb_hcis
)
1928 return hci_table
[cur_hci
++];
1931 static struct HCIInfo
*hci_init(const char *str
)
1934 struct bt_scatternet_s
*vlan
= 0;
1936 if (!strcmp(str
, "null"))
1939 else if (!strncmp(str
, "host", 4) && (str
[4] == '\0' || str
[4] == ':'))
1941 return bt_host_hci(str
[4] ? str
+ 5 : "hci0");
1942 else if (!strncmp(str
, "hci", 3)) {
1945 if (!strncmp(str
+ 3, ",vlan=", 6)) {
1946 vlan
= qemu_find_bt_vlan(strtol(str
+ 9, &endp
, 0));
1951 vlan
= qemu_find_bt_vlan(0);
1953 return bt_new_hci(vlan
);
1956 fprintf(stderr
, "qemu: Unknown bluetooth HCI `%s'.\n", str
);
1961 static int bt_hci_parse(const char *str
)
1963 struct HCIInfo
*hci
;
1966 if (nb_hcis
>= MAX_NICS
) {
1967 fprintf(stderr
, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS
);
1971 hci
= hci_init(str
);
1980 bdaddr
.b
[5] = 0x56 + nb_hcis
;
1981 hci
->bdaddr_set(hci
, bdaddr
.b
);
1983 hci_table
[nb_hcis
++] = hci
;
1988 static void bt_vhci_add(int vlan_id
)
1990 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
1993 fprintf(stderr
, "qemu: warning: adding a VHCI to "
1994 "an empty scatternet %i\n", vlan_id
);
1996 bt_vhci_init(bt_new_hci(vlan
));
1999 static struct bt_device_s
*bt_device_add(const char *opt
)
2001 struct bt_scatternet_s
*vlan
;
2003 char *endp
= strstr(opt
, ",vlan=");
2004 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
2007 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
2010 vlan_id
= strtol(endp
+ 6, &endp
, 0);
2012 fprintf(stderr
, "qemu: unrecognised bluetooth vlan Id\n");
2017 vlan
= qemu_find_bt_vlan(vlan_id
);
2020 fprintf(stderr
, "qemu: warning: adding a slave device to "
2021 "an empty scatternet %i\n", vlan_id
);
2023 if (!strcmp(devname
, "keyboard"))
2024 return bt_keyboard_init(vlan
);
2026 fprintf(stderr
, "qemu: unsupported bluetooth device `%s'\n", devname
);
2030 static int bt_parse(const char *opt
)
2032 const char *endp
, *p
;
2035 if (strstart(opt
, "hci", &endp
)) {
2036 if (!*endp
|| *endp
== ',') {
2038 if (!strstart(endp
, ",vlan=", 0))
2041 return bt_hci_parse(opt
);
2043 } else if (strstart(opt
, "vhci", &endp
)) {
2044 if (!*endp
|| *endp
== ',') {
2046 if (strstart(endp
, ",vlan=", &p
)) {
2047 vlan
= strtol(p
, (char **) &endp
, 0);
2049 fprintf(stderr
, "qemu: bad scatternet '%s'\n", p
);
2053 fprintf(stderr
, "qemu: bad parameter '%s'\n", endp
+ 1);
2062 } else if (strstart(opt
, "device:", &endp
))
2063 return !bt_device_add(endp
);
2065 fprintf(stderr
, "qemu: bad bluetooth parameter '%s'\n", opt
);
2069 /***********************************************************/
2070 /* QEMU Block devices */
2072 #define HD_ALIAS "index=%d,media=disk"
2073 #define CDROM_ALIAS "index=2,media=cdrom"
2074 #define FD_ALIAS "index=%d,if=floppy"
2075 #define PFLASH_ALIAS "if=pflash"
2076 #define MTD_ALIAS "if=mtd"
2077 #define SD_ALIAS "index=0,if=sd"
2079 static int drive_opt_get_free_idx(void)
2083 for (index
= 0; index
< MAX_DRIVES
; index
++)
2084 if (!drives_opt
[index
].used
) {
2085 drives_opt
[index
].used
= 1;
2092 static int drive_get_free_idx(void)
2096 for (index
= 0; index
< MAX_DRIVES
; index
++)
2097 if (!drives_table
[index
].used
) {
2098 drives_table
[index
].used
= 1;
2105 int drive_add(const char *file
, const char *fmt
, ...)
2108 int index
= drive_opt_get_free_idx();
2110 if (nb_drives_opt
>= MAX_DRIVES
|| index
== -1) {
2111 fprintf(stderr
, "qemu: too many drives\n");
2115 drives_opt
[index
].file
= file
;
2117 vsnprintf(drives_opt
[index
].opt
,
2118 sizeof(drives_opt
[0].opt
), fmt
, ap
);
2125 void drive_remove(int index
)
2127 drives_opt
[index
].used
= 0;
2131 int drive_get_index(BlockInterfaceType type
, int bus
, int unit
)
2135 /* seek interface, bus and unit */
2137 for (index
= 0; index
< MAX_DRIVES
; index
++)
2138 if (drives_table
[index
].type
== type
&&
2139 drives_table
[index
].bus
== bus
&&
2140 drives_table
[index
].unit
== unit
&&
2141 drives_table
[index
].used
)
2147 int drive_get_max_bus(BlockInterfaceType type
)
2153 for (index
= 0; index
< nb_drives
; index
++) {
2154 if(drives_table
[index
].type
== type
&&
2155 drives_table
[index
].bus
> max_bus
)
2156 max_bus
= drives_table
[index
].bus
;
2161 const char *drive_get_serial(BlockDriverState
*bdrv
)
2165 for (index
= 0; index
< nb_drives
; index
++)
2166 if (drives_table
[index
].bdrv
== bdrv
)
2167 return drives_table
[index
].serial
;
2172 BlockInterfaceErrorAction
drive_get_onerror(BlockDriverState
*bdrv
)
2176 for (index
= 0; index
< nb_drives
; index
++)
2177 if (drives_table
[index
].bdrv
== bdrv
)
2178 return drives_table
[index
].onerror
;
2180 return BLOCK_ERR_STOP_ENOSPC
;
2183 static void bdrv_format_print(void *opaque
, const char *name
)
2185 fprintf(stderr
, " %s", name
);
2188 void drive_uninit(BlockDriverState
*bdrv
)
2192 for (i
= 0; i
< MAX_DRIVES
; i
++)
2193 if (drives_table
[i
].bdrv
== bdrv
) {
2194 drives_table
[i
].bdrv
= NULL
;
2195 drives_table
[i
].used
= 0;
2196 drive_remove(drives_table
[i
].drive_opt_idx
);
2202 int drive_init(struct drive_opt
*arg
, int snapshot
, void *opaque
)
2208 const char *mediastr
= "";
2209 BlockInterfaceType type
;
2210 enum { MEDIA_DISK
, MEDIA_CDROM
} media
;
2211 int bus_id
, unit_id
;
2212 int cyls
, heads
, secs
, translation
;
2213 BlockDriverState
*bdrv
;
2214 BlockDriver
*drv
= NULL
;
2215 QEMUMachine
*machine
= opaque
;
2219 int bdrv_flags
, onerror
;
2220 const char *devaddr
;
2221 int drives_table_idx
;
2222 char *str
= arg
->opt
;
2223 static const char * const params
[] = { "bus", "unit", "if", "index",
2224 "cyls", "heads", "secs", "trans",
2225 "media", "snapshot", "file",
2226 "cache", "format", "serial",
2230 if (check_params(buf
, sizeof(buf
), params
, str
) < 0) {
2231 fprintf(stderr
, "qemu: unknown parameter '%s' in '%s'\n",
2237 cyls
= heads
= secs
= 0;
2240 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2244 if (machine
->use_scsi
) {
2246 max_devs
= MAX_SCSI_DEVS
;
2247 pstrcpy(devname
, sizeof(devname
), "scsi");
2250 max_devs
= MAX_IDE_DEVS
;
2251 pstrcpy(devname
, sizeof(devname
), "ide");
2255 /* extract parameters */
2257 if (get_param_value(buf
, sizeof(buf
), "bus", str
)) {
2258 bus_id
= strtol(buf
, NULL
, 0);
2260 fprintf(stderr
, "qemu: '%s' invalid bus id\n", str
);
2265 if (get_param_value(buf
, sizeof(buf
), "unit", str
)) {
2266 unit_id
= strtol(buf
, NULL
, 0);
2268 fprintf(stderr
, "qemu: '%s' invalid unit id\n", str
);
2273 if (get_param_value(buf
, sizeof(buf
), "if", str
)) {
2274 pstrcpy(devname
, sizeof(devname
), buf
);
2275 if (!strcmp(buf
, "ide")) {
2277 max_devs
= MAX_IDE_DEVS
;
2278 } else if (!strcmp(buf
, "scsi")) {
2280 max_devs
= MAX_SCSI_DEVS
;
2281 } else if (!strcmp(buf
, "floppy")) {
2284 } else if (!strcmp(buf
, "pflash")) {
2287 } else if (!strcmp(buf
, "mtd")) {
2290 } else if (!strcmp(buf
, "sd")) {
2293 } else if (!strcmp(buf
, "virtio")) {
2296 } else if (!strcmp(buf
, "xen")) {
2300 fprintf(stderr
, "qemu: '%s' unsupported bus type '%s'\n", str
, buf
);
2305 if (get_param_value(buf
, sizeof(buf
), "index", str
)) {
2306 index
= strtol(buf
, NULL
, 0);
2308 fprintf(stderr
, "qemu: '%s' invalid index\n", str
);
2313 if (get_param_value(buf
, sizeof(buf
), "cyls", str
)) {
2314 cyls
= strtol(buf
, NULL
, 0);
2317 if (get_param_value(buf
, sizeof(buf
), "heads", str
)) {
2318 heads
= strtol(buf
, NULL
, 0);
2321 if (get_param_value(buf
, sizeof(buf
), "secs", str
)) {
2322 secs
= strtol(buf
, NULL
, 0);
2325 if (cyls
|| heads
|| secs
) {
2326 if (cyls
< 1 || cyls
> 16383) {
2327 fprintf(stderr
, "qemu: '%s' invalid physical cyls number\n", str
);
2330 if (heads
< 1 || heads
> 16) {
2331 fprintf(stderr
, "qemu: '%s' invalid physical heads number\n", str
);
2334 if (secs
< 1 || secs
> 63) {
2335 fprintf(stderr
, "qemu: '%s' invalid physical secs number\n", str
);
2340 if (get_param_value(buf
, sizeof(buf
), "trans", str
)) {
2343 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2347 if (!strcmp(buf
, "none"))
2348 translation
= BIOS_ATA_TRANSLATION_NONE
;
2349 else if (!strcmp(buf
, "lba"))
2350 translation
= BIOS_ATA_TRANSLATION_LBA
;
2351 else if (!strcmp(buf
, "auto"))
2352 translation
= BIOS_ATA_TRANSLATION_AUTO
;
2354 fprintf(stderr
, "qemu: '%s' invalid translation type\n", str
);
2359 if (get_param_value(buf
, sizeof(buf
), "media", str
)) {
2360 if (!strcmp(buf
, "disk")) {
2362 } else if (!strcmp(buf
, "cdrom")) {
2363 if (cyls
|| secs
|| heads
) {
2365 "qemu: '%s' invalid physical CHS format\n", str
);
2368 media
= MEDIA_CDROM
;
2370 fprintf(stderr
, "qemu: '%s' invalid media\n", str
);
2375 if (get_param_value(buf
, sizeof(buf
), "snapshot", str
)) {
2376 if (!strcmp(buf
, "on"))
2378 else if (!strcmp(buf
, "off"))
2381 fprintf(stderr
, "qemu: '%s' invalid snapshot option\n", str
);
2386 if (get_param_value(buf
, sizeof(buf
), "cache", str
)) {
2387 if (!strcmp(buf
, "off") || !strcmp(buf
, "none"))
2389 else if (!strcmp(buf
, "writethrough"))
2391 else if (!strcmp(buf
, "writeback"))
2394 fprintf(stderr
, "qemu: invalid cache option\n");
2399 if (get_param_value(buf
, sizeof(buf
), "format", str
)) {
2400 if (strcmp(buf
, "?") == 0) {
2401 fprintf(stderr
, "qemu: Supported formats:");
2402 bdrv_iterate_format(bdrv_format_print
, NULL
);
2403 fprintf(stderr
, "\n");
2406 drv
= bdrv_find_format(buf
);
2408 fprintf(stderr
, "qemu: '%s' invalid format\n", buf
);
2413 if (arg
->file
== NULL
)
2414 get_param_value(file
, sizeof(file
), "file", str
);
2416 pstrcpy(file
, sizeof(file
), arg
->file
);
2418 if (!get_param_value(serial
, sizeof(serial
), "serial", str
))
2419 memset(serial
, 0, sizeof(serial
));
2421 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2422 if (get_param_value(buf
, sizeof(serial
), "werror", str
)) {
2423 if (type
!= IF_IDE
&& type
!= IF_SCSI
&& type
!= IF_VIRTIO
) {
2424 fprintf(stderr
, "werror is no supported by this format\n");
2427 if (!strcmp(buf
, "ignore"))
2428 onerror
= BLOCK_ERR_IGNORE
;
2429 else if (!strcmp(buf
, "enospc"))
2430 onerror
= BLOCK_ERR_STOP_ENOSPC
;
2431 else if (!strcmp(buf
, "stop"))
2432 onerror
= BLOCK_ERR_STOP_ANY
;
2433 else if (!strcmp(buf
, "report"))
2434 onerror
= BLOCK_ERR_REPORT
;
2436 fprintf(stderr
, "qemu: '%s' invalid write error action\n", buf
);
2442 if (get_param_value(buf
, sizeof(buf
), "addr", str
)) {
2443 if (type
!= IF_VIRTIO
) {
2444 fprintf(stderr
, "addr is not supported by in '%s'\n", str
);
2447 devaddr
= strdup(buf
);
2450 /* compute bus and unit according index */
2453 if (bus_id
!= 0 || unit_id
!= -1) {
2455 "qemu: '%s' index cannot be used with bus and unit\n", str
);
2463 unit_id
= index
% max_devs
;
2464 bus_id
= index
/ max_devs
;
2468 /* if user doesn't specify a unit_id,
2469 * try to find the first free
2472 if (unit_id
== -1) {
2474 while (drive_get_index(type
, bus_id
, unit_id
) != -1) {
2476 if (max_devs
&& unit_id
>= max_devs
) {
2477 unit_id
-= max_devs
;
2485 if (max_devs
&& unit_id
>= max_devs
) {
2486 fprintf(stderr
, "qemu: '%s' unit %d too big (max is %d)\n",
2487 str
, unit_id
, max_devs
- 1);
2492 * ignore multiple definitions
2495 if (drive_get_index(type
, bus_id
, unit_id
) != -1)
2500 if (type
== IF_IDE
|| type
== IF_SCSI
)
2501 mediastr
= (media
== MEDIA_CDROM
) ? "-cd" : "-hd";
2503 snprintf(buf
, sizeof(buf
), "%s%i%s%i",
2504 devname
, bus_id
, mediastr
, unit_id
);
2506 snprintf(buf
, sizeof(buf
), "%s%s%i",
2507 devname
, mediastr
, unit_id
);
2508 bdrv
= bdrv_new(buf
);
2509 drives_table_idx
= drive_get_free_idx();
2510 drives_table
[drives_table_idx
].bdrv
= bdrv
;
2511 drives_table
[drives_table_idx
].devaddr
= devaddr
;
2512 drives_table
[drives_table_idx
].type
= type
;
2513 drives_table
[drives_table_idx
].bus
= bus_id
;
2514 drives_table
[drives_table_idx
].unit
= unit_id
;
2515 drives_table
[drives_table_idx
].onerror
= onerror
;
2516 drives_table
[drives_table_idx
].drive_opt_idx
= arg
- drives_opt
;
2517 strncpy(drives_table
[drives_table_idx
].serial
, serial
, sizeof(serial
));
2527 bdrv_set_geometry_hint(bdrv
, cyls
, heads
, secs
);
2528 bdrv_set_translation_hint(bdrv
, translation
);
2532 bdrv_set_type_hint(bdrv
, BDRV_TYPE_CDROM
);
2537 /* FIXME: This isn't really a floppy, but it's a reasonable
2540 bdrv_set_type_hint(bdrv
, BDRV_TYPE_FLOPPY
);
2553 bdrv_flags
|= BDRV_O_SNAPSHOT
;
2554 cache
= 2; /* always use write-back with snapshot */
2556 if (cache
== 0) /* no caching */
2557 bdrv_flags
|= BDRV_O_NOCACHE
;
2558 else if (cache
== 2) /* write-back */
2559 bdrv_flags
|= BDRV_O_CACHE_WB
;
2560 if (bdrv_open2(bdrv
, file
, bdrv_flags
, drv
) < 0) {
2561 fprintf(stderr
, "qemu: could not open disk image %s\n",
2565 if (bdrv_key_required(bdrv
))
2567 return drives_table_idx
;
2570 static void numa_add(const char *optarg
)
2574 unsigned long long value
, endvalue
;
2577 optarg
= get_opt_name(option
, 128, optarg
, ',') + 1;
2578 if (!strcmp(option
, "node")) {
2579 if (get_param_value(option
, 128, "nodeid", optarg
) == 0) {
2580 nodenr
= nb_numa_nodes
;
2582 nodenr
= strtoull(option
, NULL
, 10);
2585 if (get_param_value(option
, 128, "mem", optarg
) == 0) {
2586 node_mem
[nodenr
] = 0;
2588 value
= strtoull(option
, &endptr
, 0);
2590 case 0: case 'M': case 'm':
2597 node_mem
[nodenr
] = value
;
2599 if (get_param_value(option
, 128, "cpus", optarg
) == 0) {
2600 node_cpumask
[nodenr
] = 0;
2602 value
= strtoull(option
, &endptr
, 10);
2605 fprintf(stderr
, "only 64 CPUs in NUMA mode supported.\n");
2607 if (*endptr
== '-') {
2608 endvalue
= strtoull(endptr
+1, &endptr
, 10);
2609 if (endvalue
>= 63) {
2612 "only 63 CPUs in NUMA mode supported.\n");
2614 value
= (1 << (endvalue
+ 1)) - (1 << value
);
2619 node_cpumask
[nodenr
] = value
;
2626 /***********************************************************/
2629 static USBPort
*used_usb_ports
;
2630 static USBPort
*free_usb_ports
;
2632 /* ??? Maybe change this to register a hub to keep track of the topology. */
2633 void qemu_register_usb_port(USBPort
*port
, void *opaque
, int index
,
2634 usb_attachfn attach
)
2636 port
->opaque
= opaque
;
2637 port
->index
= index
;
2638 port
->attach
= attach
;
2639 port
->next
= free_usb_ports
;
2640 free_usb_ports
= port
;
2643 int usb_device_add_dev(USBDevice
*dev
)
2647 /* Find a USB port to add the device to. */
2648 port
= free_usb_ports
;
2652 /* Create a new hub and chain it on. */
2653 free_usb_ports
= NULL
;
2654 port
->next
= used_usb_ports
;
2655 used_usb_ports
= port
;
2657 hub
= usb_hub_init(VM_USB_HUB_SIZE
);
2658 usb_attach(port
, hub
);
2659 port
= free_usb_ports
;
2662 free_usb_ports
= port
->next
;
2663 port
->next
= used_usb_ports
;
2664 used_usb_ports
= port
;
2665 usb_attach(port
, dev
);
2669 static void usb_msd_password_cb(void *opaque
, int err
)
2671 USBDevice
*dev
= opaque
;
2674 usb_device_add_dev(dev
);
2676 dev
->handle_destroy(dev
);
2679 static int usb_device_add(const char *devname
, int is_hotplug
)
2684 if (!free_usb_ports
)
2687 if (strstart(devname
, "host:", &p
)) {
2688 dev
= usb_host_device_open(p
);
2689 } else if (!strcmp(devname
, "mouse")) {
2690 dev
= usb_mouse_init();
2691 } else if (!strcmp(devname
, "tablet")) {
2692 dev
= usb_tablet_init();
2693 } else if (!strcmp(devname
, "keyboard")) {
2694 dev
= usb_keyboard_init();
2695 } else if (strstart(devname
, "disk:", &p
)) {
2696 BlockDriverState
*bs
;
2698 dev
= usb_msd_init(p
);
2701 bs
= usb_msd_get_bdrv(dev
);
2702 if (bdrv_key_required(bs
)) {
2705 monitor_read_bdrv_key_start(cur_mon
, bs
, usb_msd_password_cb
,
2710 } else if (!strcmp(devname
, "wacom-tablet")) {
2711 dev
= usb_wacom_init();
2712 } else if (strstart(devname
, "serial:", &p
)) {
2713 dev
= usb_serial_init(p
);
2714 #ifdef CONFIG_BRLAPI
2715 } else if (!strcmp(devname
, "braille")) {
2716 dev
= usb_baum_init();
2718 } else if (strstart(devname
, "net:", &p
)) {
2721 if (net_client_init(NULL
, "nic", p
) < 0)
2723 nd_table
[nic
].model
= "usb";
2724 dev
= usb_net_init(&nd_table
[nic
]);
2725 } else if (!strcmp(devname
, "bt") || strstart(devname
, "bt:", &p
)) {
2726 dev
= usb_bt_init(devname
[2] ? hci_init(p
) :
2727 bt_new_hci(qemu_find_bt_vlan(0)));
2734 return usb_device_add_dev(dev
);
2737 int usb_device_del_addr(int bus_num
, int addr
)
2743 if (!used_usb_ports
)
2749 lastp
= &used_usb_ports
;
2750 port
= used_usb_ports
;
2751 while (port
&& port
->dev
->addr
!= addr
) {
2752 lastp
= &port
->next
;
2760 *lastp
= port
->next
;
2761 usb_attach(port
, NULL
);
2762 dev
->handle_destroy(dev
);
2763 port
->next
= free_usb_ports
;
2764 free_usb_ports
= port
;
2768 static int usb_device_del(const char *devname
)
2773 if (strstart(devname
, "host:", &p
))
2774 return usb_host_device_close(p
);
2776 if (!used_usb_ports
)
2779 p
= strchr(devname
, '.');
2782 bus_num
= strtoul(devname
, NULL
, 0);
2783 addr
= strtoul(p
+ 1, NULL
, 0);
2785 return usb_device_del_addr(bus_num
, addr
);
2788 void do_usb_add(Monitor
*mon
, const char *devname
)
2790 usb_device_add(devname
, 1);
2793 void do_usb_del(Monitor
*mon
, const char *devname
)
2795 usb_device_del(devname
);
2798 void usb_info(Monitor
*mon
)
2802 const char *speed_str
;
2805 monitor_printf(mon
, "USB support not enabled\n");
2809 for (port
= used_usb_ports
; port
; port
= port
->next
) {
2813 switch(dev
->speed
) {
2817 case USB_SPEED_FULL
:
2820 case USB_SPEED_HIGH
:
2827 monitor_printf(mon
, " Device %d.%d, Speed %s Mb/s, Product %s\n",
2828 0, dev
->addr
, speed_str
, dev
->devname
);
2832 /***********************************************************/
2833 /* PCMCIA/Cardbus */
2835 static struct pcmcia_socket_entry_s
{
2836 PCMCIASocket
*socket
;
2837 struct pcmcia_socket_entry_s
*next
;
2838 } *pcmcia_sockets
= 0;
2840 void pcmcia_socket_register(PCMCIASocket
*socket
)
2842 struct pcmcia_socket_entry_s
*entry
;
2844 entry
= qemu_malloc(sizeof(struct pcmcia_socket_entry_s
));
2845 entry
->socket
= socket
;
2846 entry
->next
= pcmcia_sockets
;
2847 pcmcia_sockets
= entry
;
2850 void pcmcia_socket_unregister(PCMCIASocket
*socket
)
2852 struct pcmcia_socket_entry_s
*entry
, **ptr
;
2854 ptr
= &pcmcia_sockets
;
2855 for (entry
= *ptr
; entry
; ptr
= &entry
->next
, entry
= *ptr
)
2856 if (entry
->socket
== socket
) {
2862 void pcmcia_info(Monitor
*mon
)
2864 struct pcmcia_socket_entry_s
*iter
;
2866 if (!pcmcia_sockets
)
2867 monitor_printf(mon
, "No PCMCIA sockets\n");
2869 for (iter
= pcmcia_sockets
; iter
; iter
= iter
->next
)
2870 monitor_printf(mon
, "%s: %s\n", iter
->socket
->slot_string
,
2871 iter
->socket
->attached
? iter
->socket
->card_string
:
2875 /***********************************************************/
2876 /* register display */
2878 struct DisplayAllocator default_allocator
= {
2879 defaultallocator_create_displaysurface
,
2880 defaultallocator_resize_displaysurface
,
2881 defaultallocator_free_displaysurface
2884 void register_displaystate(DisplayState
*ds
)
2894 DisplayState
*get_displaystate(void)
2896 return display_state
;
2899 DisplayAllocator
*register_displayallocator(DisplayState
*ds
, DisplayAllocator
*da
)
2901 if(ds
->allocator
== &default_allocator
) ds
->allocator
= da
;
2902 return ds
->allocator
;
2907 static void dumb_display_init(void)
2909 DisplayState
*ds
= qemu_mallocz(sizeof(DisplayState
));
2910 ds
->allocator
= &default_allocator
;
2911 ds
->surface
= qemu_create_displaysurface(ds
, 640, 480);
2912 register_displaystate(ds
);
2915 /***********************************************************/
2918 typedef struct IOHandlerRecord
{
2920 IOCanRWHandler
*fd_read_poll
;
2922 IOHandler
*fd_write
;
2925 /* temporary data */
2927 struct IOHandlerRecord
*next
;
2930 static IOHandlerRecord
*first_io_handler
;
2932 /* XXX: fd_read_poll should be suppressed, but an API change is
2933 necessary in the character devices to suppress fd_can_read(). */
2934 int qemu_set_fd_handler2(int fd
,
2935 IOCanRWHandler
*fd_read_poll
,
2937 IOHandler
*fd_write
,
2940 IOHandlerRecord
**pioh
, *ioh
;
2942 if (!fd_read
&& !fd_write
) {
2943 pioh
= &first_io_handler
;
2948 if (ioh
->fd
== fd
) {
2955 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
2959 ioh
= qemu_mallocz(sizeof(IOHandlerRecord
));
2960 ioh
->next
= first_io_handler
;
2961 first_io_handler
= ioh
;
2964 ioh
->fd_read_poll
= fd_read_poll
;
2965 ioh
->fd_read
= fd_read
;
2966 ioh
->fd_write
= fd_write
;
2967 ioh
->opaque
= opaque
;
2973 int qemu_set_fd_handler(int fd
,
2975 IOHandler
*fd_write
,
2978 return qemu_set_fd_handler2(fd
, NULL
, fd_read
, fd_write
, opaque
);
2982 /***********************************************************/
2983 /* Polling handling */
2985 typedef struct PollingEntry
{
2988 struct PollingEntry
*next
;
2991 static PollingEntry
*first_polling_entry
;
2993 int qemu_add_polling_cb(PollingFunc
*func
, void *opaque
)
2995 PollingEntry
**ppe
, *pe
;
2996 pe
= qemu_mallocz(sizeof(PollingEntry
));
2998 pe
->opaque
= opaque
;
2999 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
);
3004 void qemu_del_polling_cb(PollingFunc
*func
, void *opaque
)
3006 PollingEntry
**ppe
, *pe
;
3007 for(ppe
= &first_polling_entry
; *ppe
!= NULL
; ppe
= &(*ppe
)->next
) {
3009 if (pe
->func
== func
&& pe
->opaque
== opaque
) {
3017 /***********************************************************/
3018 /* Wait objects support */
3019 typedef struct WaitObjects
{
3021 HANDLE events
[MAXIMUM_WAIT_OBJECTS
+ 1];
3022 WaitObjectFunc
*func
[MAXIMUM_WAIT_OBJECTS
+ 1];
3023 void *opaque
[MAXIMUM_WAIT_OBJECTS
+ 1];
3026 static WaitObjects wait_objects
= {0};
3028 int qemu_add_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3030 WaitObjects
*w
= &wait_objects
;
3032 if (w
->num
>= MAXIMUM_WAIT_OBJECTS
)
3034 w
->events
[w
->num
] = handle
;
3035 w
->func
[w
->num
] = func
;
3036 w
->opaque
[w
->num
] = opaque
;
3041 void qemu_del_wait_object(HANDLE handle
, WaitObjectFunc
*func
, void *opaque
)
3044 WaitObjects
*w
= &wait_objects
;
3047 for (i
= 0; i
< w
->num
; i
++) {
3048 if (w
->events
[i
] == handle
)
3051 w
->events
[i
] = w
->events
[i
+ 1];
3052 w
->func
[i
] = w
->func
[i
+ 1];
3053 w
->opaque
[i
] = w
->opaque
[i
+ 1];
3061 /***********************************************************/
3062 /* ram save/restore */
3064 static int ram_get_page(QEMUFile
*f
, uint8_t *buf
, int len
)
3068 v
= qemu_get_byte(f
);
3071 if (qemu_get_buffer(f
, buf
, len
) != len
)
3075 v
= qemu_get_byte(f
);
3076 memset(buf
, v
, len
);
3082 if (qemu_file_has_error(f
))
3088 static int ram_load_v1(QEMUFile
*f
, void *opaque
)
3093 if (qemu_get_be32(f
) != last_ram_offset
)
3095 for(i
= 0; i
< last_ram_offset
; i
+= TARGET_PAGE_SIZE
) {
3096 ret
= ram_get_page(f
, qemu_get_ram_ptr(i
), TARGET_PAGE_SIZE
);
3103 #define BDRV_HASH_BLOCK_SIZE 1024
3104 #define IOBUF_SIZE 4096
3105 #define RAM_CBLOCK_MAGIC 0xfabe
3107 typedef struct RamDecompressState
{
3110 uint8_t buf
[IOBUF_SIZE
];
3111 } RamDecompressState
;
3113 static int ram_decompress_open(RamDecompressState
*s
, QEMUFile
*f
)
3116 memset(s
, 0, sizeof(*s
));
3118 ret
= inflateInit(&s
->zstream
);
3124 static int ram_decompress_buf(RamDecompressState
*s
, uint8_t *buf
, int len
)
3128 s
->zstream
.avail_out
= len
;
3129 s
->zstream
.next_out
= buf
;
3130 while (s
->zstream
.avail_out
> 0) {
3131 if (s
->zstream
.avail_in
== 0) {
3132 if (qemu_get_be16(s
->f
) != RAM_CBLOCK_MAGIC
)
3134 clen
= qemu_get_be16(s
->f
);
3135 if (clen
> IOBUF_SIZE
)
3137 qemu_get_buffer(s
->f
, s
->buf
, clen
);
3138 s
->zstream
.avail_in
= clen
;
3139 s
->zstream
.next_in
= s
->buf
;
3141 ret
= inflate(&s
->zstream
, Z_PARTIAL_FLUSH
);
3142 if (ret
!= Z_OK
&& ret
!= Z_STREAM_END
) {
3149 static void ram_decompress_close(RamDecompressState
*s
)
3151 inflateEnd(&s
->zstream
);
3154 #define RAM_SAVE_FLAG_FULL 0x01
3155 #define RAM_SAVE_FLAG_COMPRESS 0x02
3156 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3157 #define RAM_SAVE_FLAG_PAGE 0x08
3158 #define RAM_SAVE_FLAG_EOS 0x10
3160 static int is_dup_page(uint8_t *page
, uint8_t ch
)
3162 uint32_t val
= ch
<< 24 | ch
<< 16 | ch
<< 8 | ch
;
3163 uint32_t *array
= (uint32_t *)page
;
3166 for (i
= 0; i
< (TARGET_PAGE_SIZE
/ 4); i
++) {
3167 if (array
[i
] != val
)
3174 static int ram_save_block(QEMUFile
*f
)
3176 static ram_addr_t current_addr
= 0;
3177 ram_addr_t saved_addr
= current_addr
;
3178 ram_addr_t addr
= 0;
3181 while (addr
< last_ram_offset
) {
3182 if (cpu_physical_memory_get_dirty(current_addr
, MIGRATION_DIRTY_FLAG
)) {
3185 cpu_physical_memory_reset_dirty(current_addr
,
3186 current_addr
+ TARGET_PAGE_SIZE
,
3187 MIGRATION_DIRTY_FLAG
);
3189 p
= qemu_get_ram_ptr(current_addr
);
3191 if (is_dup_page(p
, *p
)) {
3192 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_COMPRESS
);
3193 qemu_put_byte(f
, *p
);
3195 qemu_put_be64(f
, current_addr
| RAM_SAVE_FLAG_PAGE
);
3196 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
3202 addr
+= TARGET_PAGE_SIZE
;
3203 current_addr
= (saved_addr
+ addr
) % last_ram_offset
;
3209 static uint64_t bytes_transferred
= 0;
3211 static ram_addr_t
ram_save_remaining(void)
3214 ram_addr_t count
= 0;
3216 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3217 if (cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3224 uint64_t ram_bytes_remaining(void)
3226 return ram_save_remaining() * TARGET_PAGE_SIZE
;
3229 uint64_t ram_bytes_transferred(void)
3231 return bytes_transferred
;
3234 uint64_t ram_bytes_total(void)
3236 return last_ram_offset
;
3239 static int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
3242 uint64_t bytes_transferred_last
;
3244 uint64_t expected_time
= 0;
3246 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX
) != 0) {
3247 qemu_file_set_error(f
);
3252 /* Make sure all dirty bits are set */
3253 for (addr
= 0; addr
< last_ram_offset
; addr
+= TARGET_PAGE_SIZE
) {
3254 if (!cpu_physical_memory_get_dirty(addr
, MIGRATION_DIRTY_FLAG
))
3255 cpu_physical_memory_set_dirty(addr
);
3258 /* Enable dirty memory tracking */
3259 cpu_physical_memory_set_dirty_tracking(1);
3261 qemu_put_be64(f
, last_ram_offset
| RAM_SAVE_FLAG_MEM_SIZE
);
3264 bytes_transferred_last
= bytes_transferred
;
3265 bwidth
= get_clock();
3267 while (!qemu_file_rate_limit(f
)) {
3270 ret
= ram_save_block(f
);
3271 bytes_transferred
+= ret
* TARGET_PAGE_SIZE
;
3272 if (ret
== 0) /* no more blocks */
3276 bwidth
= get_clock() - bwidth
;
3277 bwidth
= (bytes_transferred
- bytes_transferred_last
) / bwidth
;
3279 /* if we haven't transferred anything this round, force expected_time to a
3280 * a very high value, but without crashing */
3284 /* try transferring iterative blocks of memory */
3288 /* flush all remaining blocks regardless of rate limiting */
3289 while (ram_save_block(f
) != 0) {
3290 bytes_transferred
+= TARGET_PAGE_SIZE
;
3292 cpu_physical_memory_set_dirty_tracking(0);
3295 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
3297 expected_time
= ram_save_remaining() * TARGET_PAGE_SIZE
/ bwidth
;
3299 return (stage
== 2) && (expected_time
<= migrate_max_downtime());
3302 static int ram_load_dead(QEMUFile
*f
, void *opaque
)
3304 RamDecompressState s1
, *s
= &s1
;
3308 if (ram_decompress_open(s
, f
) < 0)
3310 for(i
= 0; i
< last_ram_offset
; i
+= BDRV_HASH_BLOCK_SIZE
) {
3311 if (ram_decompress_buf(s
, buf
, 1) < 0) {
3312 fprintf(stderr
, "Error while reading ram block header\n");
3316 if (ram_decompress_buf(s
, qemu_get_ram_ptr(i
),
3317 BDRV_HASH_BLOCK_SIZE
) < 0) {
3318 fprintf(stderr
, "Error while reading ram block address=0x%08" PRIx64
, (uint64_t)i
);
3323 printf("Error block header\n");
3327 ram_decompress_close(s
);
3332 static int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
3337 if (version_id
== 1)
3338 return ram_load_v1(f
, opaque
);
3340 if (version_id
== 2) {
3341 if (qemu_get_be32(f
) != last_ram_offset
)
3343 return ram_load_dead(f
, opaque
);
3346 if (version_id
!= 3)
3350 addr
= qemu_get_be64(f
);
3352 flags
= addr
& ~TARGET_PAGE_MASK
;
3353 addr
&= TARGET_PAGE_MASK
;
3355 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
3356 if (addr
!= last_ram_offset
)
3360 if (flags
& RAM_SAVE_FLAG_FULL
) {
3361 if (ram_load_dead(f
, opaque
) < 0)
3365 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
3366 uint8_t ch
= qemu_get_byte(f
);
3367 memset(qemu_get_ram_ptr(addr
), ch
, TARGET_PAGE_SIZE
);
3370 (!kvm_enabled() || kvm_has_sync_mmu())) {
3371 madvise(qemu_get_ram_ptr(addr
), TARGET_PAGE_SIZE
, MADV_DONTNEED
);
3374 } else if (flags
& RAM_SAVE_FLAG_PAGE
)
3375 qemu_get_buffer(f
, qemu_get_ram_ptr(addr
), TARGET_PAGE_SIZE
);
3376 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
3381 void qemu_service_io(void)
3383 qemu_notify_event();
3386 /***********************************************************/
3387 /* bottom halves (can be seen as timers which expire ASAP) */
3398 static QEMUBH
*first_bh
= NULL
;
3400 QEMUBH
*qemu_bh_new(QEMUBHFunc
*cb
, void *opaque
)
3403 bh
= qemu_mallocz(sizeof(QEMUBH
));
3405 bh
->opaque
= opaque
;
3406 bh
->next
= first_bh
;
3411 int qemu_bh_poll(void)
3417 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3418 if (!bh
->deleted
&& bh
->scheduled
) {
3427 /* remove deleted bhs */
3441 void qemu_bh_schedule_idle(QEMUBH
*bh
)
3449 void qemu_bh_schedule(QEMUBH
*bh
)
3455 /* stop the currently executing CPU to execute the BH ASAP */
3456 qemu_notify_event();
3459 void qemu_bh_cancel(QEMUBH
*bh
)
3464 void qemu_bh_delete(QEMUBH
*bh
)
3470 static void qemu_bh_update_timeout(int *timeout
)
3474 for (bh
= first_bh
; bh
; bh
= bh
->next
) {
3475 if (!bh
->deleted
&& bh
->scheduled
) {
3477 /* idle bottom halves will be polled at least
3479 *timeout
= MIN(10, *timeout
);
3481 /* non-idle bottom halves will be executed
3490 /***********************************************************/
3491 /* machine registration */
3493 static QEMUMachine
*first_machine
= NULL
;
3494 QEMUMachine
*current_machine
= NULL
;
3496 int qemu_register_machine(QEMUMachine
*m
)
3499 pm
= &first_machine
;
3507 static QEMUMachine
*find_machine(const char *name
)
3511 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3512 if (!strcmp(m
->name
, name
))
3518 static QEMUMachine
*find_default_machine(void)
3522 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
3523 if (m
->is_default
) {
3530 /***********************************************************/
3531 /* main execution loop */
3533 static void gui_update(void *opaque
)
3535 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3536 DisplayState
*ds
= opaque
;
3537 DisplayChangeListener
*dcl
= ds
->listeners
;
3541 while (dcl
!= NULL
) {
3542 if (dcl
->gui_timer_interval
&&
3543 dcl
->gui_timer_interval
< interval
)
3544 interval
= dcl
->gui_timer_interval
;
3547 qemu_mod_timer(ds
->gui_timer
, interval
+ qemu_get_clock(rt_clock
));
3550 static void nographic_update(void *opaque
)
3552 uint64_t interval
= GUI_REFRESH_INTERVAL
;
3554 qemu_mod_timer(nographic_timer
, interval
+ qemu_get_clock(rt_clock
));
3557 struct vm_change_state_entry
{
3558 VMChangeStateHandler
*cb
;
3560 LIST_ENTRY (vm_change_state_entry
) entries
;
3563 static LIST_HEAD(vm_change_state_head
, vm_change_state_entry
) vm_change_state_head
;
3565 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
3568 VMChangeStateEntry
*e
;
3570 e
= qemu_mallocz(sizeof (*e
));
3574 LIST_INSERT_HEAD(&vm_change_state_head
, e
, entries
);
3578 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
3580 LIST_REMOVE (e
, entries
);
3584 static void vm_state_notify(int running
, int reason
)
3586 VMChangeStateEntry
*e
;
3588 for (e
= vm_change_state_head
.lh_first
; e
; e
= e
->entries
.le_next
) {
3589 e
->cb(e
->opaque
, running
, reason
);
3593 static void resume_all_vcpus(void);
3594 static void pause_all_vcpus(void);
3601 vm_state_notify(1, 0);
3602 qemu_rearm_alarm_timer(alarm_timer
);
3607 /* reset/shutdown handler */
3609 typedef struct QEMUResetEntry
{
3610 QEMUResetHandler
*func
;
3612 struct QEMUResetEntry
*next
;
3615 static QEMUResetEntry
*first_reset_entry
;
3616 static int reset_requested
;
3617 static int shutdown_requested
;
3618 static int powerdown_requested
;
3619 static int debug_requested
;
3620 static int vmstop_requested
;
3622 int qemu_shutdown_requested(void)
3624 int r
= shutdown_requested
;
3625 shutdown_requested
= 0;
3629 int qemu_reset_requested(void)
3631 int r
= reset_requested
;
3632 reset_requested
= 0;
3636 int qemu_powerdown_requested(void)
3638 int r
= powerdown_requested
;
3639 powerdown_requested
= 0;
3643 static int qemu_debug_requested(void)
3645 int r
= debug_requested
;
3646 debug_requested
= 0;
3650 static int qemu_vmstop_requested(void)
3652 int r
= vmstop_requested
;
3653 vmstop_requested
= 0;
3657 static void do_vm_stop(int reason
)
3660 cpu_disable_ticks();
3663 vm_state_notify(0, reason
);
3667 void qemu_register_reset(QEMUResetHandler
*func
, void *opaque
)
3669 QEMUResetEntry
**pre
, *re
;
3671 pre
= &first_reset_entry
;
3672 while (*pre
!= NULL
)
3673 pre
= &(*pre
)->next
;
3674 re
= qemu_mallocz(sizeof(QEMUResetEntry
));
3676 re
->opaque
= opaque
;
3681 void qemu_system_reset(void)
3685 /* reset all devices */
3686 for(re
= first_reset_entry
; re
!= NULL
; re
= re
->next
) {
3687 re
->func(re
->opaque
);
3691 void qemu_system_reset_request(void)
3694 shutdown_requested
= 1;
3696 reset_requested
= 1;
3698 qemu_notify_event();
3701 void qemu_system_shutdown_request(void)
3703 shutdown_requested
= 1;
3704 qemu_notify_event();
3707 void qemu_system_powerdown_request(void)
3709 powerdown_requested
= 1;
3710 qemu_notify_event();
3713 #ifdef CONFIG_IOTHREAD
3714 static void qemu_system_vmstop_request(int reason
)
3716 vmstop_requested
= reason
;
3717 qemu_notify_event();
3722 static int io_thread_fd
= -1;
3724 static void qemu_event_increment(void)
3726 static const char byte
= 0;
3728 if (io_thread_fd
== -1)
3731 write(io_thread_fd
, &byte
, sizeof(byte
));
3734 static void qemu_event_read(void *opaque
)
3736 int fd
= (unsigned long)opaque
;
3739 /* Drain the notify pipe */
3742 len
= read(fd
, buffer
, sizeof(buffer
));
3743 } while ((len
== -1 && errno
== EINTR
) || len
> 0);
3746 static int qemu_event_init(void)
3755 err
= fcntl_setfl(fds
[0], O_NONBLOCK
);
3759 err
= fcntl_setfl(fds
[1], O_NONBLOCK
);
3763 qemu_set_fd_handler2(fds
[0], NULL
, qemu_event_read
, NULL
,
3764 (void *)(unsigned long)fds
[0]);
3766 io_thread_fd
= fds
[1];
3775 HANDLE qemu_event_handle
;
3777 static void dummy_event_handler(void *opaque
)
3781 static int qemu_event_init(void)
3783 qemu_event_handle
= CreateEvent(NULL
, FALSE
, FALSE
, NULL
);
3784 if (!qemu_event_handle
) {
3785 perror("Failed CreateEvent");
3788 qemu_add_wait_object(qemu_event_handle
, dummy_event_handler
, NULL
);
3792 static void qemu_event_increment(void)
3794 SetEvent(qemu_event_handle
);
3798 static int cpu_can_run(CPUState
*env
)
3807 #ifndef CONFIG_IOTHREAD
3808 static int qemu_init_main_loop(void)
3810 return qemu_event_init();
3813 void qemu_init_vcpu(void *_env
)
3815 CPUState
*env
= _env
;
3822 int qemu_cpu_self(void *env
)
3827 static void resume_all_vcpus(void)
3831 static void pause_all_vcpus(void)
3835 void qemu_cpu_kick(void *env
)
3840 void qemu_notify_event(void)
3842 CPUState
*env
= cpu_single_env
;
3847 if (env
->kqemu_enabled
)
3848 kqemu_cpu_interrupt(env
);
3853 #define qemu_mutex_lock_iothread() do { } while (0)
3854 #define qemu_mutex_unlock_iothread() do { } while (0)
3856 void vm_stop(int reason
)
3861 #else /* CONFIG_IOTHREAD */
3863 #include "qemu-thread.h"
3865 QemuMutex qemu_global_mutex
;
3866 static QemuMutex qemu_fair_mutex
;
3868 static QemuThread io_thread
;
3870 static QemuThread
*tcg_cpu_thread
;
3871 static QemuCond
*tcg_halt_cond
;
3873 static int qemu_system_ready
;
3875 static QemuCond qemu_cpu_cond
;
3877 static QemuCond qemu_system_cond
;
3878 static QemuCond qemu_pause_cond
;
3880 static void block_io_signals(void);
3881 static void unblock_io_signals(void);
3882 static int tcg_has_work(void);
3884 static int qemu_init_main_loop(void)
3888 ret
= qemu_event_init();
3892 qemu_cond_init(&qemu_pause_cond
);
3893 qemu_mutex_init(&qemu_fair_mutex
);
3894 qemu_mutex_init(&qemu_global_mutex
);
3895 qemu_mutex_lock(&qemu_global_mutex
);
3897 unblock_io_signals();
3898 qemu_thread_self(&io_thread
);
3903 static void qemu_wait_io_event(CPUState
*env
)
3905 while (!tcg_has_work())
3906 qemu_cond_timedwait(env
->halt_cond
, &qemu_global_mutex
, 1000);
3908 qemu_mutex_unlock(&qemu_global_mutex
);
3911 * Users of qemu_global_mutex can be starved, having no chance
3912 * to acquire it since this path will get to it first.
3913 * So use another lock to provide fairness.
3915 qemu_mutex_lock(&qemu_fair_mutex
);
3916 qemu_mutex_unlock(&qemu_fair_mutex
);
3918 qemu_mutex_lock(&qemu_global_mutex
);
3922 qemu_cond_signal(&qemu_pause_cond
);
3926 static int qemu_cpu_exec(CPUState
*env
);
3928 static void *kvm_cpu_thread_fn(void *arg
)
3930 CPUState
*env
= arg
;
3933 qemu_thread_self(env
->thread
);
3935 /* signal CPU creation */
3936 qemu_mutex_lock(&qemu_global_mutex
);
3938 qemu_cond_signal(&qemu_cpu_cond
);
3940 /* and wait for machine initialization */
3941 while (!qemu_system_ready
)
3942 qemu_cond_timedwait(&qemu_system_cond
, &qemu_global_mutex
, 100);
3945 if (cpu_can_run(env
))
3947 qemu_wait_io_event(env
);
3953 static void tcg_cpu_exec(void);
3955 static void *tcg_cpu_thread_fn(void *arg
)
3957 CPUState
*env
= arg
;
3960 qemu_thread_self(env
->thread
);
3962 /* signal CPU creation */
3963 qemu_mutex_lock(&qemu_global_mutex
);
3964 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
3966 qemu_cond_signal(&qemu_cpu_cond
);
3968 /* and wait for machine initialization */
3969 while (!qemu_system_ready
)
3970 qemu_cond_timedwait(&qemu_system_cond
, &qemu_global_mutex
, 100);
3974 qemu_wait_io_event(cur_cpu
);
3980 void qemu_cpu_kick(void *_env
)
3982 CPUState
*env
= _env
;
3983 qemu_cond_broadcast(env
->halt_cond
);
3985 qemu_thread_signal(env
->thread
, SIGUSR1
);
3988 int qemu_cpu_self(void *env
)
3990 return (cpu_single_env
!= NULL
);
3993 static void cpu_signal(int sig
)
3996 cpu_exit(cpu_single_env
);
3999 static void block_io_signals(void)
4002 struct sigaction sigact
;
4005 sigaddset(&set
, SIGUSR2
);
4006 sigaddset(&set
, SIGIO
);
4007 sigaddset(&set
, SIGALRM
);
4008 pthread_sigmask(SIG_BLOCK
, &set
, NULL
);
4011 sigaddset(&set
, SIGUSR1
);
4012 pthread_sigmask(SIG_UNBLOCK
, &set
, NULL
);
4014 memset(&sigact
, 0, sizeof(sigact
));
4015 sigact
.sa_handler
= cpu_signal
;
4016 sigaction(SIGUSR1
, &sigact
, NULL
);
4019 static void unblock_io_signals(void)
4024 sigaddset(&set
, SIGUSR2
);
4025 sigaddset(&set
, SIGIO
);
4026 sigaddset(&set
, SIGALRM
);
4027 pthread_sigmask(SIG_UNBLOCK
, &set
, NULL
);
4030 sigaddset(&set
, SIGUSR1
);
4031 pthread_sigmask(SIG_BLOCK
, &set
, NULL
);
4034 static void qemu_signal_lock(unsigned int msecs
)
4036 qemu_mutex_lock(&qemu_fair_mutex
);
4038 while (qemu_mutex_trylock(&qemu_global_mutex
)) {
4039 qemu_thread_signal(tcg_cpu_thread
, SIGUSR1
);
4040 if (!qemu_mutex_timedlock(&qemu_global_mutex
, msecs
))
4043 qemu_mutex_unlock(&qemu_fair_mutex
);
4046 static void qemu_mutex_lock_iothread(void)
4048 if (kvm_enabled()) {
4049 qemu_mutex_lock(&qemu_fair_mutex
);
4050 qemu_mutex_lock(&qemu_global_mutex
);
4051 qemu_mutex_unlock(&qemu_fair_mutex
);
4053 qemu_signal_lock(100);
4056 static void qemu_mutex_unlock_iothread(void)
4058 qemu_mutex_unlock(&qemu_global_mutex
);
4061 static int all_vcpus_paused(void)
4063 CPUState
*penv
= first_cpu
;
4068 penv
= (CPUState
*)penv
->next_cpu
;
4074 static void pause_all_vcpus(void)
4076 CPUState
*penv
= first_cpu
;
4080 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4081 qemu_cpu_kick(penv
);
4082 penv
= (CPUState
*)penv
->next_cpu
;
4085 while (!all_vcpus_paused()) {
4086 qemu_cond_timedwait(&qemu_pause_cond
, &qemu_global_mutex
, 100);
4089 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4090 penv
= (CPUState
*)penv
->next_cpu
;
4095 static void resume_all_vcpus(void)
4097 CPUState
*penv
= first_cpu
;
4102 qemu_thread_signal(penv
->thread
, SIGUSR1
);
4103 qemu_cpu_kick(penv
);
4104 penv
= (CPUState
*)penv
->next_cpu
;
4108 static void tcg_init_vcpu(void *_env
)
4110 CPUState
*env
= _env
;
4111 /* share a single thread for all cpus with TCG */
4112 if (!tcg_cpu_thread
) {
4113 env
->thread
= qemu_mallocz(sizeof(QemuThread
));
4114 env
->halt_cond
= qemu_mallocz(sizeof(QemuCond
));
4115 qemu_cond_init(env
->halt_cond
);
4116 qemu_thread_create(env
->thread
, tcg_cpu_thread_fn
, env
);
4117 while (env
->created
== 0)
4118 qemu_cond_timedwait(&qemu_cpu_cond
, &qemu_global_mutex
, 100);
4119 tcg_cpu_thread
= env
->thread
;
4120 tcg_halt_cond
= env
->halt_cond
;
4122 env
->thread
= tcg_cpu_thread
;
4123 env
->halt_cond
= tcg_halt_cond
;
4127 static void kvm_start_vcpu(CPUState
*env
)
4130 env
->thread
= qemu_mallocz(sizeof(QemuThread
));
4131 env
->halt_cond
= qemu_mallocz(sizeof(QemuCond
));
4132 qemu_cond_init(env
->halt_cond
);
4133 qemu_thread_create(env
->thread
, kvm_cpu_thread_fn
, env
);
4134 while (env
->created
== 0)
4135 qemu_cond_timedwait(&qemu_cpu_cond
, &qemu_global_mutex
, 100);
4138 void qemu_init_vcpu(void *_env
)
4140 CPUState
*env
= _env
;
4143 kvm_start_vcpu(env
);
4148 void qemu_notify_event(void)
4150 qemu_event_increment();
4153 void vm_stop(int reason
)
4156 qemu_thread_self(&me
);
4158 if (!qemu_thread_equal(&me
, &io_thread
)) {
4159 qemu_system_vmstop_request(reason
);
4161 * FIXME: should not return to device code in case
4162 * vm_stop() has been requested.
4164 if (cpu_single_env
) {
4165 cpu_exit(cpu_single_env
);
4166 cpu_single_env
->stop
= 1;
4177 static void host_main_loop_wait(int *timeout
)
4183 /* XXX: need to suppress polling by better using win32 events */
4185 for(pe
= first_polling_entry
; pe
!= NULL
; pe
= pe
->next
) {
4186 ret
|= pe
->func(pe
->opaque
);
4190 WaitObjects
*w
= &wait_objects
;
4192 ret
= WaitForMultipleObjects(w
->num
, w
->events
, FALSE
, *timeout
);
4193 if (WAIT_OBJECT_0
+ 0 <= ret
&& ret
<= WAIT_OBJECT_0
+ w
->num
- 1) {
4194 if (w
->func
[ret
- WAIT_OBJECT_0
])
4195 w
->func
[ret
- WAIT_OBJECT_0
](w
->opaque
[ret
- WAIT_OBJECT_0
]);
4197 /* Check for additional signaled events */
4198 for(i
= (ret
- WAIT_OBJECT_0
+ 1); i
< w
->num
; i
++) {
4200 /* Check if event is signaled */
4201 ret2
= WaitForSingleObject(w
->events
[i
], 0);
4202 if(ret2
== WAIT_OBJECT_0
) {
4204 w
->func
[i
](w
->opaque
[i
]);
4205 } else if (ret2
== WAIT_TIMEOUT
) {
4207 err
= GetLastError();
4208 fprintf(stderr
, "WaitForSingleObject error %d %d\n", i
, err
);
4211 } else if (ret
== WAIT_TIMEOUT
) {
4213 err
= GetLastError();
4214 fprintf(stderr
, "WaitForMultipleObjects error %d %d\n", ret
, err
);
4221 static void host_main_loop_wait(int *timeout
)
4226 void main_loop_wait(int timeout
)
4228 IOHandlerRecord
*ioh
;
4229 fd_set rfds
, wfds
, xfds
;
4233 qemu_bh_update_timeout(&timeout
);
4235 host_main_loop_wait(&timeout
);
4237 /* poll any events */
4238 /* XXX: separate device handlers from system ones */
4243 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4247 (!ioh
->fd_read_poll
||
4248 ioh
->fd_read_poll(ioh
->opaque
) != 0)) {
4249 FD_SET(ioh
->fd
, &rfds
);
4253 if (ioh
->fd_write
) {
4254 FD_SET(ioh
->fd
, &wfds
);
4260 tv
.tv_sec
= timeout
/ 1000;
4261 tv
.tv_usec
= (timeout
% 1000) * 1000;
4263 slirp_select_fill(&nfds
, &rfds
, &wfds
, &xfds
);
4265 qemu_mutex_unlock_iothread();
4266 ret
= select(nfds
+ 1, &rfds
, &wfds
, &xfds
, &tv
);
4267 qemu_mutex_lock_iothread();
4269 IOHandlerRecord
**pioh
;
4271 for(ioh
= first_io_handler
; ioh
!= NULL
; ioh
= ioh
->next
) {
4272 if (!ioh
->deleted
&& ioh
->fd_read
&& FD_ISSET(ioh
->fd
, &rfds
)) {
4273 ioh
->fd_read(ioh
->opaque
);
4275 if (!ioh
->deleted
&& ioh
->fd_write
&& FD_ISSET(ioh
->fd
, &wfds
)) {
4276 ioh
->fd_write(ioh
->opaque
);
4280 /* remove deleted IO handlers */
4281 pioh
= &first_io_handler
;
4292 slirp_select_poll(&rfds
, &wfds
, &xfds
, (ret
< 0));
4294 /* rearm timer, if not periodic */
4295 if (alarm_timer
->flags
& ALARM_FLAG_EXPIRED
) {
4296 alarm_timer
->flags
&= ~ALARM_FLAG_EXPIRED
;
4297 qemu_rearm_alarm_timer(alarm_timer
);
4300 /* vm time timers */
4302 if (!cur_cpu
|| likely(!(cur_cpu
->singlestep_enabled
& SSTEP_NOTIMER
)))
4303 qemu_run_timers(&active_timers
[QEMU_TIMER_VIRTUAL
],
4304 qemu_get_clock(vm_clock
));
4307 /* real time timers */
4308 qemu_run_timers(&active_timers
[QEMU_TIMER_REALTIME
],
4309 qemu_get_clock(rt_clock
));
4311 /* Check bottom-halves last in case any of the earlier events triggered
4317 static int qemu_cpu_exec(CPUState
*env
)
4320 #ifdef CONFIG_PROFILER
4324 #ifdef CONFIG_PROFILER
4325 ti
= profile_getclock();
4330 qemu_icount
-= (env
->icount_decr
.u16
.low
+ env
->icount_extra
);
4331 env
->icount_decr
.u16
.low
= 0;
4332 env
->icount_extra
= 0;
4333 count
= qemu_next_deadline();
4334 count
= (count
+ (1 << icount_time_shift
) - 1)
4335 >> icount_time_shift
;
4336 qemu_icount
+= count
;
4337 decr
= (count
> 0xffff) ? 0xffff : count
;
4339 env
->icount_decr
.u16
.low
= decr
;
4340 env
->icount_extra
= count
;
4342 ret
= cpu_exec(env
);
4343 #ifdef CONFIG_PROFILER
4344 qemu_time
+= profile_getclock() - ti
;
4347 /* Fold pending instructions back into the
4348 instruction counter, and clear the interrupt flag. */
4349 qemu_icount
-= (env
->icount_decr
.u16
.low
4350 + env
->icount_extra
);
4351 env
->icount_decr
.u32
= 0;
4352 env
->icount_extra
= 0;
4357 static void tcg_cpu_exec(void)
4361 if (next_cpu
== NULL
)
4362 next_cpu
= first_cpu
;
4363 for (; next_cpu
!= NULL
; next_cpu
= next_cpu
->next_cpu
) {
4364 CPUState
*env
= cur_cpu
= next_cpu
;
4368 if (timer_alarm_pending
) {
4369 timer_alarm_pending
= 0;
4372 if (cpu_can_run(env
))
4373 ret
= qemu_cpu_exec(env
);
4374 if (ret
== EXCP_DEBUG
) {
4375 gdb_set_stop_cpu(env
);
4376 debug_requested
= 1;
4382 static int cpu_has_work(CPUState
*env
)
4390 if (qemu_cpu_has_work(env
))
4395 static int tcg_has_work(void)
4399 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
)
4400 if (cpu_has_work(env
))
4405 static int qemu_calculate_timeout(void)
4407 #ifndef CONFIG_IOTHREAD
4412 else if (tcg_has_work())
4414 else if (!use_icount
)
4417 /* XXX: use timeout computed from timers */
4420 /* Advance virtual time to the next event. */
4421 if (use_icount
== 1) {
4422 /* When not using an adaptive execution frequency
4423 we tend to get badly out of sync with real time,
4424 so just delay for a reasonable amount of time. */
4427 delta
= cpu_get_icount() - cpu_get_clock();
4430 /* If virtual time is ahead of real time then just
4432 timeout
= (delta
/ 1000000) + 1;
4434 /* Wait for either IO to occur or the next
4436 add
= qemu_next_deadline();
4437 /* We advance the timer before checking for IO.
4438 Limit the amount we advance so that early IO
4439 activity won't get the guest too far ahead. */
4443 add
= (add
+ (1 << icount_time_shift
) - 1)
4444 >> icount_time_shift
;
4446 timeout
= delta
/ 1000000;
4453 #else /* CONFIG_IOTHREAD */
4458 static int vm_can_run(void)
4460 if (powerdown_requested
)
4462 if (reset_requested
)
4464 if (shutdown_requested
)
4466 if (debug_requested
)
4471 static void main_loop(void)
4475 #ifdef CONFIG_IOTHREAD
4476 qemu_system_ready
= 1;
4477 qemu_cond_broadcast(&qemu_system_cond
);
4482 #ifdef CONFIG_PROFILER
4485 #ifndef CONFIG_IOTHREAD
4488 #ifdef CONFIG_PROFILER
4489 ti
= profile_getclock();
4491 main_loop_wait(qemu_calculate_timeout());
4492 #ifdef CONFIG_PROFILER
4493 dev_time
+= profile_getclock() - ti
;
4495 } while (vm_can_run());
4497 if (qemu_debug_requested())
4498 vm_stop(EXCP_DEBUG
);
4499 if (qemu_shutdown_requested()) {
4506 if (qemu_reset_requested()) {
4508 qemu_system_reset();
4511 if (qemu_powerdown_requested())
4512 qemu_system_powerdown();
4513 if ((r
= qemu_vmstop_requested()))
4519 static void version(void)
4521 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION
", Copyright (c) 2003-2008 Fabrice Bellard\n");
4524 static void help(int exitcode
)
4527 printf("usage: %s [options] [disk_image]\n"
4529 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
4531 #define DEF(option, opt_arg, opt_enum, opt_help) \
4533 #define DEFHEADING(text) stringify(text) "\n"
4534 #include "qemu-options.h"
4539 "During emulation, the following keys are useful:\n"
4540 "ctrl-alt-f toggle full screen\n"
4541 "ctrl-alt-n switch to virtual console 'n'\n"
4542 "ctrl-alt toggle mouse and keyboard grab\n"
4544 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4549 DEFAULT_NETWORK_SCRIPT
,
4550 DEFAULT_NETWORK_DOWN_SCRIPT
,
4552 DEFAULT_GDBSTUB_PORT
,
4557 #define HAS_ARG 0x0001
4560 #define DEF(option, opt_arg, opt_enum, opt_help) \
4562 #define DEFHEADING(text)
4563 #include "qemu-options.h"
4569 typedef struct QEMUOption
{
4575 static const QEMUOption qemu_options
[] = {
4576 { "h", 0, QEMU_OPTION_h
},
4577 #define DEF(option, opt_arg, opt_enum, opt_help) \
4578 { option, opt_arg, opt_enum },
4579 #define DEFHEADING(text)
4580 #include "qemu-options.h"
4588 struct soundhw soundhw
[] = {
4589 #ifdef HAS_AUDIO_CHOICE
4590 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4596 { .init_isa
= pcspk_audio_init
}
4603 "Creative Sound Blaster 16",
4606 { .init_isa
= SB16_init
}
4610 #ifdef CONFIG_CS4231A
4616 { .init_isa
= cs4231a_init
}
4624 "Yamaha YMF262 (OPL3)",
4626 "Yamaha YM3812 (OPL2)",
4630 { .init_isa
= Adlib_init
}
4637 "Gravis Ultrasound GF1",
4640 { .init_isa
= GUS_init
}
4647 "Intel 82801AA AC97 Audio",
4650 { .init_pci
= ac97_init
}
4654 #ifdef CONFIG_ES1370
4657 "ENSONIQ AudioPCI ES1370",
4660 { .init_pci
= es1370_init
}
4664 #endif /* HAS_AUDIO_CHOICE */
4666 { NULL
, NULL
, 0, 0, { NULL
} }
4669 static void select_soundhw (const char *optarg
)
4673 if (*optarg
== '?') {
4676 printf ("Valid sound card names (comma separated):\n");
4677 for (c
= soundhw
; c
->name
; ++c
) {
4678 printf ("%-11s %s\n", c
->name
, c
->descr
);
4680 printf ("\n-soundhw all will enable all of the above\n");
4681 exit (*optarg
!= '?');
4689 if (!strcmp (optarg
, "all")) {
4690 for (c
= soundhw
; c
->name
; ++c
) {
4698 e
= strchr (p
, ',');
4699 l
= !e
? strlen (p
) : (size_t) (e
- p
);
4701 for (c
= soundhw
; c
->name
; ++c
) {
4702 if (!strncmp (c
->name
, p
, l
)) {
4711 "Unknown sound card name (too big to show)\n");
4714 fprintf (stderr
, "Unknown sound card name `%.*s'\n",
4719 p
+= l
+ (e
!= NULL
);
4723 goto show_valid_cards
;
4728 static void select_vgahw (const char *p
)
4732 cirrus_vga_enabled
= 0;
4733 std_vga_enabled
= 0;
4736 if (strstart(p
, "std", &opts
)) {
4737 std_vga_enabled
= 1;
4738 } else if (strstart(p
, "cirrus", &opts
)) {
4739 cirrus_vga_enabled
= 1;
4740 } else if (strstart(p
, "vmware", &opts
)) {
4742 } else if (strstart(p
, "xenfb", &opts
)) {
4744 } else if (!strstart(p
, "none", &opts
)) {
4746 fprintf(stderr
, "Unknown vga type: %s\n", p
);
4750 const char *nextopt
;
4752 if (strstart(opts
, ",retrace=", &nextopt
)) {
4754 if (strstart(opts
, "dumb", &nextopt
))
4755 vga_retrace_method
= VGA_RETRACE_DUMB
;
4756 else if (strstart(opts
, "precise", &nextopt
))
4757 vga_retrace_method
= VGA_RETRACE_PRECISE
;
4758 else goto invalid_vga
;
4759 } else goto invalid_vga
;
4765 static int balloon_parse(const char *arg
)
4770 if (!strcmp(arg
, "none")) {
4772 } else if (!strncmp(arg
, "virtio", 6)) {
4774 if (arg
[6] == ',') {
4776 if (get_param_value(buf
, sizeof(buf
), "addr", p
)) {
4777 virtio_balloon_devaddr
= strdup(buf
);
4788 static BOOL WINAPI
qemu_ctrl_handler(DWORD type
)
4790 exit(STATUS_CONTROL_C_EXIT
);
4795 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
4799 if(strlen(str
) != 36)
4802 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
4803 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
4804 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14], &uuid
[15]);
4810 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
4816 #define MAX_NET_CLIENTS 32
4820 static void termsig_handler(int signal
)
4822 qemu_system_shutdown_request();
4825 static void sigchld_handler(int signal
)
4827 waitpid(-1, NULL
, WNOHANG
);
4830 static void sighandler_setup(void)
4832 struct sigaction act
;
4834 memset(&act
, 0, sizeof(act
));
4835 act
.sa_handler
= termsig_handler
;
4836 sigaction(SIGINT
, &act
, NULL
);
4837 sigaction(SIGHUP
, &act
, NULL
);
4838 sigaction(SIGTERM
, &act
, NULL
);
4840 act
.sa_handler
= sigchld_handler
;
4841 act
.sa_flags
= SA_NOCLDSTOP
;
4842 sigaction(SIGCHLD
, &act
, NULL
);
4848 /* Look for support files in the same directory as the executable. */
4849 static char *find_datadir(const char *argv0
)
4855 len
= GetModuleFileName(NULL
, buf
, sizeof(buf
) - 1);
4862 while (p
!= buf
&& *p
!= '\\')
4865 if (access(buf
, R_OK
) == 0) {
4866 return qemu_strdup(buf
);
4872 /* Find a likely location for support files using the location of the binary.
4873 For installed binaries this will be "$bindir/../share/qemu". When
4874 running from the build tree this will be "$bindir/../pc-bios". */
4875 #define SHARE_SUFFIX "/share/qemu"
4876 #define BUILD_SUFFIX "/pc-bios"
4877 static char *find_datadir(const char *argv0
)
4887 #if defined(__linux__)
4890 len
= readlink("/proc/self/exe", buf
, sizeof(buf
) - 1);
4896 #elif defined(__FreeBSD__)
4899 len
= readlink("/proc/curproc/file", buf
, sizeof(buf
) - 1);
4906 /* If we don't have any way of figuring out the actual executable
4907 location then try argv[0]. */
4912 p
= realpath(argv0
, p
);
4920 max_len
= strlen(dir
) +
4921 MAX(strlen(SHARE_SUFFIX
), strlen(BUILD_SUFFIX
)) + 1;
4922 res
= qemu_mallocz(max_len
);
4923 snprintf(res
, max_len
, "%s%s", dir
, SHARE_SUFFIX
);
4924 if (access(res
, R_OK
)) {
4925 snprintf(res
, max_len
, "%s%s", dir
, BUILD_SUFFIX
);
4926 if (access(res
, R_OK
)) {
4940 char *qemu_find_file(int type
, const char *name
)
4946 /* If name contains path separators then try it as a straight path. */
4947 if ((strchr(name
, '/') || strchr(name
, '\\'))
4948 && access(name
, R_OK
) == 0) {
4949 return strdup(name
);
4952 case QEMU_FILE_TYPE_BIOS
:
4955 case QEMU_FILE_TYPE_KEYMAP
:
4956 subdir
= "keymaps/";
4961 len
= strlen(data_dir
) + strlen(name
) + strlen(subdir
) + 2;
4962 buf
= qemu_mallocz(len
);
4963 snprintf(buf
, len
, "%s/%s%s", data_dir
, subdir
, name
);
4964 if (access(buf
, R_OK
)) {
4971 int main(int argc
, char **argv
, char **envp
)
4973 const char *gdbstub_dev
= NULL
;
4974 uint32_t boot_devices_bitmap
= 0;
4976 int snapshot
, linux_boot
, net_boot
;
4977 const char *initrd_filename
;
4978 const char *kernel_filename
, *kernel_cmdline
;
4979 const char *boot_devices
= "";
4981 DisplayChangeListener
*dcl
;
4982 int cyls
, heads
, secs
, translation
;
4983 const char *net_clients
[MAX_NET_CLIENTS
];
4985 const char *bt_opts
[MAX_BT_CMDLINE
];
4989 const char *r
, *optarg
;
4990 CharDriverState
*monitor_hd
= NULL
;
4991 const char *monitor_device
;
4992 const char *serial_devices
[MAX_SERIAL_PORTS
];
4993 int serial_device_index
;
4994 const char *parallel_devices
[MAX_PARALLEL_PORTS
];
4995 int parallel_device_index
;
4996 const char *virtio_consoles
[MAX_VIRTIO_CONSOLES
];
4997 int virtio_console_index
;
4998 const char *loadvm
= NULL
;
4999 QEMUMachine
*machine
;
5000 const char *cpu_model
;
5001 const char *usb_devices
[MAX_USB_CMDLINE
];
5002 int usb_devices_index
;
5007 const char *pid_file
= NULL
;
5008 const char *incoming
= NULL
;
5011 struct passwd
*pwd
= NULL
;
5012 const char *chroot_dir
= NULL
;
5013 const char *run_as
= NULL
;
5016 int show_vnc_port
= 0;
5018 qemu_cache_utils_init(envp
);
5020 LIST_INIT (&vm_change_state_head
);
5023 struct sigaction act
;
5024 sigfillset(&act
.sa_mask
);
5026 act
.sa_handler
= SIG_IGN
;
5027 sigaction(SIGPIPE
, &act
, NULL
);
5030 SetConsoleCtrlHandler(qemu_ctrl_handler
, TRUE
);
5031 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5032 QEMU to run on a single CPU */
5037 h
= GetCurrentProcess();
5038 if (GetProcessAffinityMask(h
, &mask
, &smask
)) {
5039 for(i
= 0; i
< 32; i
++) {
5040 if (mask
& (1 << i
))
5045 SetProcessAffinityMask(h
, mask
);
5051 module_call_init(MODULE_INIT_MACHINE
);
5052 machine
= find_default_machine();
5054 initrd_filename
= NULL
;
5057 kernel_filename
= NULL
;
5058 kernel_cmdline
= "";
5059 cyls
= heads
= secs
= 0;
5060 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5061 monitor_device
= "vc:80Cx24C";
5063 serial_devices
[0] = "vc:80Cx24C";
5064 for(i
= 1; i
< MAX_SERIAL_PORTS
; i
++)
5065 serial_devices
[i
] = NULL
;
5066 serial_device_index
= 0;
5068 parallel_devices
[0] = "vc:80Cx24C";
5069 for(i
= 1; i
< MAX_PARALLEL_PORTS
; i
++)
5070 parallel_devices
[i
] = NULL
;
5071 parallel_device_index
= 0;
5073 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++)
5074 virtio_consoles
[i
] = NULL
;
5075 virtio_console_index
= 0;
5077 for (i
= 0; i
< MAX_NODES
; i
++) {
5079 node_cpumask
[i
] = 0;
5082 usb_devices_index
= 0;
5096 register_watchdogs();
5104 hda_index
= drive_add(argv
[optind
++], HD_ALIAS
, 0);
5106 const QEMUOption
*popt
;
5109 /* Treat --foo the same as -foo. */
5112 popt
= qemu_options
;
5115 fprintf(stderr
, "%s: invalid option -- '%s'\n",
5119 if (!strcmp(popt
->name
, r
+ 1))
5123 if (popt
->flags
& HAS_ARG
) {
5124 if (optind
>= argc
) {
5125 fprintf(stderr
, "%s: option '%s' requires an argument\n",
5129 optarg
= argv
[optind
++];
5134 switch(popt
->index
) {
5136 machine
= find_machine(optarg
);
5139 printf("Supported machines are:\n");
5140 for(m
= first_machine
; m
!= NULL
; m
= m
->next
) {
5141 printf("%-10s %s%s\n",
5143 m
->is_default
? " (default)" : "");
5145 exit(*optarg
!= '?');
5148 case QEMU_OPTION_cpu
:
5149 /* hw initialization will check this */
5150 if (*optarg
== '?') {
5151 /* XXX: implement xxx_cpu_list for targets that still miss it */
5152 #if defined(cpu_list)
5153 cpu_list(stdout
, &fprintf
);
5160 case QEMU_OPTION_initrd
:
5161 initrd_filename
= optarg
;
5163 case QEMU_OPTION_hda
:
5165 hda_index
= drive_add(optarg
, HD_ALIAS
, 0);
5167 hda_index
= drive_add(optarg
, HD_ALIAS
5168 ",cyls=%d,heads=%d,secs=%d%s",
5169 0, cyls
, heads
, secs
,
5170 translation
== BIOS_ATA_TRANSLATION_LBA
?
5172 translation
== BIOS_ATA_TRANSLATION_NONE
?
5173 ",trans=none" : "");
5175 case QEMU_OPTION_hdb
:
5176 case QEMU_OPTION_hdc
:
5177 case QEMU_OPTION_hdd
:
5178 drive_add(optarg
, HD_ALIAS
, popt
->index
- QEMU_OPTION_hda
);
5180 case QEMU_OPTION_drive
:
5181 drive_add(NULL
, "%s", optarg
);
5183 case QEMU_OPTION_mtdblock
:
5184 drive_add(optarg
, MTD_ALIAS
);
5186 case QEMU_OPTION_sd
:
5187 drive_add(optarg
, SD_ALIAS
);
5189 case QEMU_OPTION_pflash
:
5190 drive_add(optarg
, PFLASH_ALIAS
);
5192 case QEMU_OPTION_snapshot
:
5195 case QEMU_OPTION_hdachs
:
5199 cyls
= strtol(p
, (char **)&p
, 0);
5200 if (cyls
< 1 || cyls
> 16383)
5205 heads
= strtol(p
, (char **)&p
, 0);
5206 if (heads
< 1 || heads
> 16)
5211 secs
= strtol(p
, (char **)&p
, 0);
5212 if (secs
< 1 || secs
> 63)
5216 if (!strcmp(p
, "none"))
5217 translation
= BIOS_ATA_TRANSLATION_NONE
;
5218 else if (!strcmp(p
, "lba"))
5219 translation
= BIOS_ATA_TRANSLATION_LBA
;
5220 else if (!strcmp(p
, "auto"))
5221 translation
= BIOS_ATA_TRANSLATION_AUTO
;
5224 } else if (*p
!= '\0') {
5226 fprintf(stderr
, "qemu: invalid physical CHS format\n");
5229 if (hda_index
!= -1)
5230 snprintf(drives_opt
[hda_index
].opt
,
5231 sizeof(drives_opt
[hda_index
].opt
),
5232 HD_ALIAS
",cyls=%d,heads=%d,secs=%d%s",
5233 0, cyls
, heads
, secs
,
5234 translation
== BIOS_ATA_TRANSLATION_LBA
?
5236 translation
== BIOS_ATA_TRANSLATION_NONE
?
5237 ",trans=none" : "");
5240 case QEMU_OPTION_numa
:
5241 if (nb_numa_nodes
>= MAX_NODES
) {
5242 fprintf(stderr
, "qemu: too many NUMA nodes\n");
5247 case QEMU_OPTION_nographic
:
5248 display_type
= DT_NOGRAPHIC
;
5250 #ifdef CONFIG_CURSES
5251 case QEMU_OPTION_curses
:
5252 display_type
= DT_CURSES
;
5255 case QEMU_OPTION_portrait
:
5258 case QEMU_OPTION_kernel
:
5259 kernel_filename
= optarg
;
5261 case QEMU_OPTION_append
:
5262 kernel_cmdline
= optarg
;
5264 case QEMU_OPTION_cdrom
:
5265 drive_add(optarg
, CDROM_ALIAS
);
5267 case QEMU_OPTION_boot
:
5268 boot_devices
= optarg
;
5269 /* We just do some generic consistency checks */
5271 /* Could easily be extended to 64 devices if needed */
5274 boot_devices_bitmap
= 0;
5275 for (p
= boot_devices
; *p
!= '\0'; p
++) {
5276 /* Allowed boot devices are:
5277 * a b : floppy disk drives
5278 * c ... f : IDE disk drives
5279 * g ... m : machine implementation dependant drives
5280 * n ... p : network devices
5281 * It's up to each machine implementation to check
5282 * if the given boot devices match the actual hardware
5283 * implementation and firmware features.
5285 if (*p
< 'a' || *p
> 'q') {
5286 fprintf(stderr
, "Invalid boot device '%c'\n", *p
);
5289 if (boot_devices_bitmap
& (1 << (*p
- 'a'))) {
5291 "Boot device '%c' was given twice\n",*p
);
5294 boot_devices_bitmap
|= 1 << (*p
- 'a');
5298 case QEMU_OPTION_fda
:
5299 case QEMU_OPTION_fdb
:
5300 drive_add(optarg
, FD_ALIAS
, popt
->index
- QEMU_OPTION_fda
);
5303 case QEMU_OPTION_no_fd_bootchk
:
5307 case QEMU_OPTION_net
:
5308 if (nb_net_clients
>= MAX_NET_CLIENTS
) {
5309 fprintf(stderr
, "qemu: too many network clients\n");
5312 net_clients
[nb_net_clients
] = optarg
;
5316 case QEMU_OPTION_tftp
:
5317 legacy_tftp_prefix
= optarg
;
5319 case QEMU_OPTION_bootp
:
5320 legacy_bootp_filename
= optarg
;
5323 case QEMU_OPTION_smb
:
5324 net_slirp_smb(optarg
);
5327 case QEMU_OPTION_redir
:
5328 net_slirp_redir(optarg
);
5331 case QEMU_OPTION_bt
:
5332 if (nb_bt_opts
>= MAX_BT_CMDLINE
) {
5333 fprintf(stderr
, "qemu: too many bluetooth options\n");
5336 bt_opts
[nb_bt_opts
++] = optarg
;
5339 case QEMU_OPTION_audio_help
:
5343 case QEMU_OPTION_soundhw
:
5344 select_soundhw (optarg
);
5350 case QEMU_OPTION_version
:
5354 case QEMU_OPTION_m
: {
5358 value
= strtoul(optarg
, &ptr
, 10);
5360 case 0: case 'M': case 'm':
5367 fprintf(stderr
, "qemu: invalid ram size: %s\n", optarg
);
5371 /* On 32-bit hosts, QEMU is limited by virtual address space */
5372 if (value
> (2047 << 20)
5373 #ifndef CONFIG_KQEMU
5374 && HOST_LONG_BITS
== 32
5377 fprintf(stderr
, "qemu: at most 2047 MB RAM can be simulated\n");
5380 if (value
!= (uint64_t)(ram_addr_t
)value
) {
5381 fprintf(stderr
, "qemu: ram size too large\n");
5390 const CPULogItem
*item
;
5392 mask
= cpu_str_to_log_mask(optarg
);
5394 printf("Log items (comma separated):\n");
5395 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
5396 printf("%-10s %s\n", item
->name
, item
->help
);
5404 gdbstub_dev
= "tcp::" DEFAULT_GDBSTUB_PORT
;
5406 case QEMU_OPTION_gdb
:
5407 gdbstub_dev
= optarg
;
5412 case QEMU_OPTION_bios
:
5415 case QEMU_OPTION_singlestep
:
5423 keyboard_layout
= optarg
;
5426 case QEMU_OPTION_localtime
:
5429 case QEMU_OPTION_vga
:
5430 select_vgahw (optarg
);
5432 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
5438 w
= strtol(p
, (char **)&p
, 10);
5441 fprintf(stderr
, "qemu: invalid resolution or depth\n");
5447 h
= strtol(p
, (char **)&p
, 10);
5452 depth
= strtol(p
, (char **)&p
, 10);
5453 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
5454 depth
!= 24 && depth
!= 32)
5456 } else if (*p
== '\0') {
5457 depth
= graphic_depth
;
5464 graphic_depth
= depth
;
5468 case QEMU_OPTION_echr
:
5471 term_escape_char
= strtol(optarg
, &r
, 0);
5473 printf("Bad argument to echr\n");
5476 case QEMU_OPTION_monitor
:
5477 monitor_device
= optarg
;
5479 case QEMU_OPTION_serial
:
5480 if (serial_device_index
>= MAX_SERIAL_PORTS
) {
5481 fprintf(stderr
, "qemu: too many serial ports\n");
5484 serial_devices
[serial_device_index
] = optarg
;
5485 serial_device_index
++;
5487 case QEMU_OPTION_watchdog
:
5488 i
= select_watchdog(optarg
);
5490 exit (i
== 1 ? 1 : 0);
5492 case QEMU_OPTION_watchdog_action
:
5493 if (select_watchdog_action(optarg
) == -1) {
5494 fprintf(stderr
, "Unknown -watchdog-action parameter\n");
5498 case QEMU_OPTION_virtiocon
:
5499 if (virtio_console_index
>= MAX_VIRTIO_CONSOLES
) {
5500 fprintf(stderr
, "qemu: too many virtio consoles\n");
5503 virtio_consoles
[virtio_console_index
] = optarg
;
5504 virtio_console_index
++;
5506 case QEMU_OPTION_parallel
:
5507 if (parallel_device_index
>= MAX_PARALLEL_PORTS
) {
5508 fprintf(stderr
, "qemu: too many parallel ports\n");
5511 parallel_devices
[parallel_device_index
] = optarg
;
5512 parallel_device_index
++;
5514 case QEMU_OPTION_loadvm
:
5517 case QEMU_OPTION_full_screen
:
5521 case QEMU_OPTION_no_frame
:
5524 case QEMU_OPTION_alt_grab
:
5527 case QEMU_OPTION_no_quit
:
5530 case QEMU_OPTION_sdl
:
5531 display_type
= DT_SDL
;
5534 case QEMU_OPTION_pidfile
:
5538 case QEMU_OPTION_win2k_hack
:
5539 win2k_install_hack
= 1;
5541 case QEMU_OPTION_rtc_td_hack
:
5544 case QEMU_OPTION_acpitable
:
5545 if(acpi_table_add(optarg
) < 0) {
5546 fprintf(stderr
, "Wrong acpi table provided\n");
5550 case QEMU_OPTION_smbios
:
5551 if(smbios_entry_add(optarg
) < 0) {
5552 fprintf(stderr
, "Wrong smbios provided\n");
5558 case QEMU_OPTION_no_kqemu
:
5561 case QEMU_OPTION_kernel_kqemu
:
5566 case QEMU_OPTION_enable_kvm
:
5573 case QEMU_OPTION_usb
:
5576 case QEMU_OPTION_usbdevice
:
5578 if (usb_devices_index
>= MAX_USB_CMDLINE
) {
5579 fprintf(stderr
, "Too many USB devices\n");
5582 usb_devices
[usb_devices_index
] = optarg
;
5583 usb_devices_index
++;
5585 case QEMU_OPTION_smp
:
5586 smp_cpus
= atoi(optarg
);
5588 fprintf(stderr
, "Invalid number of CPUs\n");
5592 case QEMU_OPTION_vnc
:
5593 display_type
= DT_VNC
;
5594 vnc_display
= optarg
;
5597 case QEMU_OPTION_no_acpi
:
5600 case QEMU_OPTION_no_hpet
:
5603 case QEMU_OPTION_balloon
:
5604 if (balloon_parse(optarg
) < 0) {
5605 fprintf(stderr
, "Unknown -balloon argument %s\n", optarg
);
5610 case QEMU_OPTION_no_reboot
:
5613 case QEMU_OPTION_no_shutdown
:
5616 case QEMU_OPTION_show_cursor
:
5619 case QEMU_OPTION_uuid
:
5620 if(qemu_uuid_parse(optarg
, qemu_uuid
) < 0) {
5621 fprintf(stderr
, "Fail to parse UUID string."
5622 " Wrong format.\n");
5627 case QEMU_OPTION_daemonize
:
5631 case QEMU_OPTION_option_rom
:
5632 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
5633 fprintf(stderr
, "Too many option ROMs\n");
5636 option_rom
[nb_option_roms
] = optarg
;
5639 #if defined(TARGET_ARM) || defined(TARGET_M68K)
5640 case QEMU_OPTION_semihosting
:
5641 semihosting_enabled
= 1;
5644 case QEMU_OPTION_name
:
5647 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5648 case QEMU_OPTION_prom_env
:
5649 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
5650 fprintf(stderr
, "Too many prom variables\n");
5653 prom_envs
[nb_prom_envs
] = optarg
;
5658 case QEMU_OPTION_old_param
:
5662 case QEMU_OPTION_clock
:
5663 configure_alarms(optarg
);
5665 case QEMU_OPTION_startdate
:
5668 time_t rtc_start_date
;
5669 if (!strcmp(optarg
, "now")) {
5670 rtc_date_offset
= -1;
5672 if (sscanf(optarg
, "%d-%d-%dT%d:%d:%d",
5680 } else if (sscanf(optarg
, "%d-%d-%d",
5683 &tm
.tm_mday
) == 3) {
5692 rtc_start_date
= mktimegm(&tm
);
5693 if (rtc_start_date
== -1) {
5695 fprintf(stderr
, "Invalid date format. Valid format are:\n"
5696 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5699 rtc_date_offset
= time(NULL
) - rtc_start_date
;
5703 case QEMU_OPTION_tb_size
:
5704 tb_size
= strtol(optarg
, NULL
, 0);
5708 case QEMU_OPTION_icount
:
5710 if (strcmp(optarg
, "auto") == 0) {
5711 icount_time_shift
= -1;
5713 icount_time_shift
= strtol(optarg
, NULL
, 0);
5716 case QEMU_OPTION_incoming
:
5720 case QEMU_OPTION_chroot
:
5721 chroot_dir
= optarg
;
5723 case QEMU_OPTION_runas
:
5728 case QEMU_OPTION_xen_domid
:
5729 xen_domid
= atoi(optarg
);
5731 case QEMU_OPTION_xen_create
:
5732 xen_mode
= XEN_CREATE
;
5734 case QEMU_OPTION_xen_attach
:
5735 xen_mode
= XEN_ATTACH
;
5742 /* If no data_dir is specified then try to find it relative to the
5745 data_dir
= find_datadir(argv
[0]);
5747 /* If all else fails use the install patch specified when building. */
5749 data_dir
= CONFIG_QEMU_SHAREDIR
;
5752 #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
5753 if (kvm_allowed
&& kqemu_allowed
) {
5755 "You can not enable both KVM and kqemu at the same time\n");
5760 machine
->max_cpus
= machine
->max_cpus
?: 1; /* Default to UP */
5761 if (smp_cpus
> machine
->max_cpus
) {
5762 fprintf(stderr
, "Number of SMP cpus requested (%d), exceeds max cpus "
5763 "supported by machine `%s' (%d)\n", smp_cpus
, machine
->name
,
5768 if (display_type
== DT_NOGRAPHIC
) {
5769 if (serial_device_index
== 0)
5770 serial_devices
[0] = "stdio";
5771 if (parallel_device_index
== 0)
5772 parallel_devices
[0] = "null";
5773 if (strncmp(monitor_device
, "vc", 2) == 0)
5774 monitor_device
= "stdio";
5781 if (pipe(fds
) == -1)
5792 len
= read(fds
[0], &status
, 1);
5793 if (len
== -1 && (errno
== EINTR
))
5798 else if (status
== 1) {
5799 fprintf(stderr
, "Could not acquire pidfile\n");
5816 signal(SIGTSTP
, SIG_IGN
);
5817 signal(SIGTTOU
, SIG_IGN
);
5818 signal(SIGTTIN
, SIG_IGN
);
5821 if (pid_file
&& qemu_create_pidfile(pid_file
) != 0) {
5824 write(fds
[1], &status
, 1);
5826 fprintf(stderr
, "Could not acquire pid file\n");
5835 if (qemu_init_main_loop()) {
5836 fprintf(stderr
, "qemu_init_main_loop failed\n");
5839 linux_boot
= (kernel_filename
!= NULL
);
5841 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
5842 fprintf(stderr
, "-append only allowed with -kernel option\n");
5846 if (!linux_boot
&& initrd_filename
!= NULL
) {
5847 fprintf(stderr
, "-initrd only allowed with -kernel option\n");
5851 /* boot to floppy or the default cd if no hard disk defined yet */
5852 if (!boot_devices
[0]) {
5853 boot_devices
= "cad";
5855 setvbuf(stdout
, NULL
, _IOLBF
, 0);
5858 if (init_timer_alarm() < 0) {
5859 fprintf(stderr
, "could not initialize alarm timer\n");
5862 if (use_icount
&& icount_time_shift
< 0) {
5864 /* 125MIPS seems a reasonable initial guess at the guest speed.
5865 It will be corrected fairly quickly anyway. */
5866 icount_time_shift
= 3;
5867 init_icount_adjust();
5874 /* init network clients */
5875 if (nb_net_clients
== 0) {
5876 /* if no clients, we use a default config */
5877 net_clients
[nb_net_clients
++] = "nic";
5879 net_clients
[nb_net_clients
++] = "user";
5883 for(i
= 0;i
< nb_net_clients
; i
++) {
5884 if (net_client_parse(net_clients
[i
]) < 0)
5888 net_boot
= (boot_devices_bitmap
>> ('n' - 'a')) & 0xF;
5889 net_set_boot_mask(net_boot
);
5893 /* init the bluetooth world */
5894 for (i
= 0; i
< nb_bt_opts
; i
++)
5895 if (bt_parse(bt_opts
[i
]))
5898 /* init the memory */
5900 ram_size
= DEFAULT_RAM_SIZE
* 1024 * 1024;
5903 /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
5904 guest ram allocation. It needs to go away. */
5905 if (kqemu_allowed
) {
5906 kqemu_phys_ram_size
= ram_size
+ 8 * 1024 * 1024 + 4 * 1024 * 1024;
5907 kqemu_phys_ram_base
= qemu_vmalloc(kqemu_phys_ram_size
);
5908 if (!kqemu_phys_ram_base
) {
5909 fprintf(stderr
, "Could not allocate physical memory\n");
5915 /* init the dynamic translator */
5916 cpu_exec_init_all(tb_size
* 1024 * 1024);
5920 /* we always create the cdrom drive, even if no disk is there */
5922 if (nb_drives_opt
< MAX_DRIVES
)
5923 drive_add(NULL
, CDROM_ALIAS
);
5925 /* we always create at least one floppy */
5927 if (nb_drives_opt
< MAX_DRIVES
)
5928 drive_add(NULL
, FD_ALIAS
, 0);
5930 /* we always create one sd slot, even if no card is in it */
5932 if (nb_drives_opt
< MAX_DRIVES
)
5933 drive_add(NULL
, SD_ALIAS
);
5935 /* open the virtual block devices */
5937 for(i
= 0; i
< nb_drives_opt
; i
++)
5938 if (drive_init(&drives_opt
[i
], snapshot
, machine
) == -1)
5941 register_savevm("timer", 0, 2, timer_save
, timer_load
, NULL
);
5942 register_savevm_live("ram", 0, 3, ram_save_live
, NULL
, ram_load
, NULL
);
5945 /* must be after terminal init, SDL library changes signal handlers */
5949 /* Maintain compatibility with multiple stdio monitors */
5950 if (!strcmp(monitor_device
,"stdio")) {
5951 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
5952 const char *devname
= serial_devices
[i
];
5953 if (devname
&& !strcmp(devname
,"mon:stdio")) {
5954 monitor_device
= NULL
;
5956 } else if (devname
&& !strcmp(devname
,"stdio")) {
5957 monitor_device
= NULL
;
5958 serial_devices
[i
] = "mon:stdio";
5964 if (nb_numa_nodes
> 0) {
5967 if (nb_numa_nodes
> smp_cpus
) {
5968 nb_numa_nodes
= smp_cpus
;
5971 /* If no memory size if given for any node, assume the default case
5972 * and distribute the available memory equally across all nodes
5974 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5975 if (node_mem
[i
] != 0)
5978 if (i
== nb_numa_nodes
) {
5979 uint64_t usedmem
= 0;
5981 /* On Linux, the each node's border has to be 8MB aligned,
5982 * the final node gets the rest.
5984 for (i
= 0; i
< nb_numa_nodes
- 1; i
++) {
5985 node_mem
[i
] = (ram_size
/ nb_numa_nodes
) & ~((1 << 23UL) - 1);
5986 usedmem
+= node_mem
[i
];
5988 node_mem
[i
] = ram_size
- usedmem
;
5991 for (i
= 0; i
< nb_numa_nodes
; i
++) {
5992 if (node_cpumask
[i
] != 0)
5995 /* assigning the VCPUs round-robin is easier to implement, guest OSes
5996 * must cope with this anyway, because there are BIOSes out there in
5997 * real machines which also use this scheme.
5999 if (i
== nb_numa_nodes
) {
6000 for (i
= 0; i
< smp_cpus
; i
++) {
6001 node_cpumask
[i
% nb_numa_nodes
] |= 1 << i
;
6006 if (kvm_enabled()) {
6009 ret
= kvm_init(smp_cpus
);
6011 fprintf(stderr
, "failed to initialize KVM\n");
6016 if (monitor_device
) {
6017 monitor_hd
= qemu_chr_open("monitor", monitor_device
, NULL
);
6019 fprintf(stderr
, "qemu: could not open monitor device '%s'\n", monitor_device
);
6024 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6025 const char *devname
= serial_devices
[i
];
6026 if (devname
&& strcmp(devname
, "none")) {
6028 snprintf(label
, sizeof(label
), "serial%d", i
);
6029 serial_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
6030 if (!serial_hds
[i
]) {
6031 fprintf(stderr
, "qemu: could not open serial device '%s'\n",
6038 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6039 const char *devname
= parallel_devices
[i
];
6040 if (devname
&& strcmp(devname
, "none")) {
6042 snprintf(label
, sizeof(label
), "parallel%d", i
);
6043 parallel_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
6044 if (!parallel_hds
[i
]) {
6045 fprintf(stderr
, "qemu: could not open parallel device '%s'\n",
6052 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
6053 const char *devname
= virtio_consoles
[i
];
6054 if (devname
&& strcmp(devname
, "none")) {
6056 snprintf(label
, sizeof(label
), "virtcon%d", i
);
6057 virtcon_hds
[i
] = qemu_chr_open(label
, devname
, NULL
);
6058 if (!virtcon_hds
[i
]) {
6059 fprintf(stderr
, "qemu: could not open virtio console '%s'\n",
6066 module_call_init(MODULE_INIT_DEVICE
);
6068 machine
->init(ram_size
, boot_devices
,
6069 kernel_filename
, kernel_cmdline
, initrd_filename
, cpu_model
);
6072 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
6073 for (i
= 0; i
< nb_numa_nodes
; i
++) {
6074 if (node_cpumask
[i
] & (1 << env
->cpu_index
)) {
6080 current_machine
= machine
;
6082 /* init USB devices */
6084 for(i
= 0; i
< usb_devices_index
; i
++) {
6085 if (usb_device_add(usb_devices
[i
], 0) < 0) {
6086 fprintf(stderr
, "Warning: could not add USB device %s\n",
6093 dumb_display_init();
6094 /* just use the first displaystate for the moment */
6097 if (display_type
== DT_DEFAULT
) {
6098 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
6099 display_type
= DT_SDL
;
6101 display_type
= DT_VNC
;
6102 vnc_display
= "localhost:0,to=99";
6108 switch (display_type
) {
6111 #if defined(CONFIG_CURSES)
6113 curses_display_init(ds
, full_screen
);
6116 #if defined(CONFIG_SDL)
6118 sdl_display_init(ds
, full_screen
, no_frame
);
6120 #elif defined(CONFIG_COCOA)
6122 cocoa_display_init(ds
, full_screen
);
6126 vnc_display_init(ds
);
6127 if (vnc_display_open(ds
, vnc_display
) < 0)
6130 if (show_vnc_port
) {
6131 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds
));
6139 dcl
= ds
->listeners
;
6140 while (dcl
!= NULL
) {
6141 if (dcl
->dpy_refresh
!= NULL
) {
6142 ds
->gui_timer
= qemu_new_timer(rt_clock
, gui_update
, ds
);
6143 qemu_mod_timer(ds
->gui_timer
, qemu_get_clock(rt_clock
));
6148 if (display_type
== DT_NOGRAPHIC
|| display_type
== DT_VNC
) {
6149 nographic_timer
= qemu_new_timer(rt_clock
, nographic_update
, NULL
);
6150 qemu_mod_timer(nographic_timer
, qemu_get_clock(rt_clock
));
6153 text_consoles_set_display(display_state
);
6154 qemu_chr_initial_reset();
6156 if (monitor_device
&& monitor_hd
)
6157 monitor_init(monitor_hd
, MONITOR_USE_READLINE
| MONITOR_IS_DEFAULT
);
6159 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
6160 const char *devname
= serial_devices
[i
];
6161 if (devname
&& strcmp(devname
, "none")) {
6162 if (strstart(devname
, "vc", 0))
6163 qemu_chr_printf(serial_hds
[i
], "serial%d console\r\n", i
);
6167 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
6168 const char *devname
= parallel_devices
[i
];
6169 if (devname
&& strcmp(devname
, "none")) {
6170 if (strstart(devname
, "vc", 0))
6171 qemu_chr_printf(parallel_hds
[i
], "parallel%d console\r\n", i
);
6175 for(i
= 0; i
< MAX_VIRTIO_CONSOLES
; i
++) {
6176 const char *devname
= virtio_consoles
[i
];
6177 if (virtcon_hds
[i
] && devname
) {
6178 if (strstart(devname
, "vc", 0))
6179 qemu_chr_printf(virtcon_hds
[i
], "virtio console%d\r\n", i
);
6183 if (gdbstub_dev
&& gdbserver_start(gdbstub_dev
) < 0) {
6184 fprintf(stderr
, "qemu: could not open gdbserver on device '%s'\n",
6190 do_loadvm(cur_mon
, loadvm
);
6193 autostart
= 0; /* fixme how to deal with -daemonize */
6194 qemu_start_incoming_migration(incoming
);
6206 len
= write(fds
[1], &status
, 1);
6207 if (len
== -1 && (errno
== EINTR
))
6214 TFR(fd
= open("/dev/null", O_RDWR
));
6220 pwd
= getpwnam(run_as
);
6222 fprintf(stderr
, "User \"%s\" doesn't exist\n", run_as
);
6228 if (chroot(chroot_dir
) < 0) {
6229 fprintf(stderr
, "chroot failed\n");
6236 if (setgid(pwd
->pw_gid
) < 0) {
6237 fprintf(stderr
, "Failed to setgid(%d)\n", pwd
->pw_gid
);
6240 if (setuid(pwd
->pw_uid
) < 0) {
6241 fprintf(stderr
, "Failed to setuid(%d)\n", pwd
->pw_uid
);
6244 if (setuid(0) != -1) {
6245 fprintf(stderr
, "Dropping privileges failed\n");