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@@ -1,54 +0,0 @@
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-/*
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- * smpprim.h: SMP locking primitives on the Sparc
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- *
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- * God knows we won't be actually using this code for some time
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- * but I thought I'd write it since I knew how.
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- *
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- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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- */
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-
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-#ifndef __SPARC_SMPPRIM_H
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-#define __SPARC_SMPPRIM_H
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-
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-/* Test and set the unsigned byte at ADDR to 1. Returns the previous
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- * value. On the Sparc we use the ldstub instruction since it is
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- * atomic.
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- */
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-
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-static inline __volatile__ char test_and_set(void *addr)
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-{
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- char state = 0;
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-
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- __asm__ __volatile__("ldstub [%0], %1 ! test_and_set\n\t"
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- "=r" (addr), "=r" (state) :
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- "0" (addr), "1" (state) : "memory");
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-
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- return state;
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-}
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-
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-/* Initialize a spin-lock. */
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-static inline __volatile__ smp_initlock(void *spinlock)
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-{
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- /* Unset the lock. */
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- *((unsigned char *) spinlock) = 0;
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-
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- return;
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-}
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-
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-/* This routine spins until it acquires the lock at ADDR. */
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-static inline __volatile__ smp_lock(void *addr)
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-{
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- while(test_and_set(addr) == 0xff)
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- ;
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-
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- /* We now have the lock */
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- return;
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-}
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-
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-/* This routine releases the lock at ADDR. */
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-static inline __volatile__ smp_unlock(void *addr)
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-{
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- *((unsigned char *) addr) = 0;
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-}
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-
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-#endif /* !(__SPARC_SMPPRIM_H) */
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