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/*
* linux/arch/m68k/lib/semaphore.S
*
* Copyright (C) 1996 Linus Torvalds
*
* m68k version by Andreas Schwab
*
* MAR/1999 -- modified to support ColdFire (gerg@snapgear.com)
*/
#include <linux/linkage.h>
#include <asm/semaphore.h>
/*
* "down_failed" is called with the eventual return address
* in %a0, and the address of the semaphore in %a1. We need
* to increment the number of waiters on the semaphore,
* call "__down()", and then eventually return to try again.
*/
ENTRY(__down_failed)
#ifdef CONFIG_COLDFIRE
subl #12,%sp
moveml %a0/%d0/%d1,(%sp)
#else
moveml %a0/%d0/%d1,-(%sp)
#endif
movel %a1,-(%sp)
jbsr __down
movel (%sp)+,%a1
movel (%sp)+,%d0
movel (%sp)+,%d1
rts
ENTRY(__down_failed_interruptible)
movel %a0,-(%sp)
movel %d1,-(%sp)
movel %a1,-(%sp)
jbsr __down_interruptible
movel (%sp)+,%a1
movel (%sp)+,%d1
rts
ENTRY(__up_wakeup)
#ifdef CONFIG_COLDFIRE
subl #12,%sp
moveml %a0/%d0/%d1,(%sp)
#else
moveml %a0/%d0/%d1,-(%sp)
#endif
movel %a1,-(%sp)
jbsr __up
movel (%sp)+,%a1
movel (%sp)+,%d0
movel (%sp)+,%d1
rts
ENTRY(__down_failed_trylock)
movel %a0,-(%sp)
movel %d1,-(%sp)
movel %a1,-(%sp)
jbsr __down_trylock
movel (%sp)+,%a1
movel (%sp)+,%d1
movel (%sp)+,%a0
rts
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