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/* PEAK Library |
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* peak/arch/m68k/atomic.h. Generated from atomic.h.in by configure. |
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* |
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* Motorola 68k atomic operations |
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* |
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* $Id: atomic.h.in,v 1.1 2007/05/24 12:54:09 mbuna Exp $ |
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*/ |
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#ifndef INCLUDED_PEAK_ATOMIC_H_ |
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#define INCLUDED_PEAK_ATOMIC_H_ |
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|
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typedef struct { volatile int counter; } peak_atomic_t; |
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|
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#define PEAK_ATOMIC_INIT(i) { (i) } |
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|
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#define peak_atomic_read(v) ((v)->counter) |
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#define peak_atomic_set(v,i) (((v)->counter) = (i)) |
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|
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static __inline__ void peak_atomic_add(int a, peak_atomic_t *v) |
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{ |
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__asm__ __volatile__("addl %1,%0" : "=m" (*v) : "id" (a), "0" (*v)); |
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} |
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|
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static __inline__ void peak_atomic_sub(int a, peak_atomic_t *v) |
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{ |
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__asm__ __volatile__("subl %1,%0" : "=m" (*v) : "id" (a), "0" (*v)); |
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} |
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|
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static __inline__ void peak_atomic_inc(peak_atomic_t *v) |
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{ |
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__asm__ __volatile__("addql #1,%0" : "=m" (*v): "0" (*v)); |
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} |
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|
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static __inline__ void peak_atomic_dec(peak_atomic_t *v) |
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{ |
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__asm__ __volatile__("subql #1,%0" : "=m" (*v): "0" (*v)); |
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} |
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|
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#endif /* INCLUDED_PEAK_ATOMIC_H_ */ |
