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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [m68knommu/] [lib/] [semaphore.S] - Blame information for rev 1782

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Line No. Rev Author Line
1 1625 jcastillo 
/*
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 *  linux/arch/m68k/lib/semaphore.S
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 *
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 *  Copyright (C) 1996  Linus Torvalds
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 *
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 *  m68k version by Andreas Schwab
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 *
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 *  MAR/1999 -- modified to support ColdFire (gerg@moreton.com.au)
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 */
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#include
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#include
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/*
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 * "down_failed" is called with the eventual return address
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 * in %a0, and the address of the semaphore in %a1. We need
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 * to increment the number of waiters on the semaphore,
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 * call "__down()", and then eventually return to try again.
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 */
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ENTRY(__down_failed)
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#ifdef CONFIG_COLDFIRE
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        subl #12,%sp
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        moveml %a0/%d0/%d1,(%sp)
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#else
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        moveml %a0/%d0/%d1,-(%sp)
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#endif
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        movel %a1,-(%sp)
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        jbsr SYMBOL_NAME(__down)
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        movel (%sp)+,%a1
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        movel (%sp)+,%d0
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        movel (%sp)+,%d1
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        rts
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ENTRY(__down_failed_interruptible)
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        movel %a0,-(%sp)
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        movel %d1,-(%sp)
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        movel %a1,-(%sp)
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        jbsr SYMBOL_NAME(__down_interruptible)
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        movel (%sp)+,%a1
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        movel (%sp)+,%d1
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        rts
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ENTRY(__up_wakeup)
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#ifdef CONFIG_COLDFIRE
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        subl #12,%sp
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        moveml %a0/%d0/%d1,(%sp)
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#else
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        moveml %a0/%d0/%d1,-(%sp)
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#endif
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        movel %a1,-(%sp)
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        jbsr SYMBOL_NAME(__up)
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        movel (%sp)+,%a1
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        movel (%sp)+,%d0
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        movel (%sp)+,%d1
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        rts

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