37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
|
|
* Copyright 2004-2011 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#ifndef __ARCH_BLACKFIN_ATOMIC__
|
|
#define __ARCH_BLACKFIN_ATOMIC__
|
|
|
|
#include <asm/cmpxchg.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
#include <asm/barrier.h>
|
|
#include <linux/linkage.h>
|
|
#include <linux/types.h>
|
|
|
|
asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
|
|
asmlinkage int __raw_atomic_update_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_clear_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_set_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
|
|
|
|
#define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
|
|
|
|
#define atomic_add_return(i, v) __raw_atomic_update_asm(&(v)->counter, i)
|
|
#define atomic_sub_return(i, v) __raw_atomic_update_asm(&(v)->counter, -(i))
|
|
|
|
#define atomic_clear_mask(m, v) __raw_atomic_clear_asm(&(v)->counter, m)
|
|
#define atomic_set_mask(m, v) __raw_atomic_set_asm(&(v)->counter, m)
|
|
|
|
#endif
|
|
|
|
#include <asm-generic/atomic.h>
|
|
|
|
#endif
|