108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/*
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* Copyright 2004-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef _BLACKFIN_BITOPS_H
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#define _BLACKFIN_BITOPS_H
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#ifndef CONFIG_SMP
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# include <asm-generic/bitops.h>
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#else
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#ifndef _LINUX_BITOPS_H
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#error only <linux/bitops.h> can be included directly
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#endif
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#include <linux/compiler.h>
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#include <asm/byteorder.h> /* swab32 */
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#include <asm-generic/bitops/ffs.h>
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#include <asm-generic/bitops/__ffs.h>
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#include <asm-generic/bitops/sched.h>
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#include <asm-generic/bitops/ffz.h>
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#include <linux/linkage.h>
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asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr);
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asmlinkage int __raw_bit_clear_asm(volatile unsigned long *addr, int nr);
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asmlinkage int __raw_bit_toggle_asm(volatile unsigned long *addr, int nr);
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asmlinkage int __raw_bit_test_set_asm(volatile unsigned long *addr, int nr);
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asmlinkage int __raw_bit_test_clear_asm(volatile unsigned long *addr, int nr);
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asmlinkage int __raw_bit_test_toggle_asm(volatile unsigned long *addr, int nr);
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asmlinkage int __raw_bit_test_asm(const volatile unsigned long *addr, int nr);
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static inline void set_bit(int nr, volatile unsigned long *addr)
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{
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volatile unsigned long *a = addr + (nr >> 5);
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__raw_bit_set_asm(a, nr & 0x1f);
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}
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static inline void clear_bit(int nr, volatile unsigned long *addr)
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{
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volatile unsigned long *a = addr + (nr >> 5);
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__raw_bit_clear_asm(a, nr & 0x1f);
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}
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static inline void change_bit(int nr, volatile unsigned long *addr)
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{
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volatile unsigned long *a = addr + (nr >> 5);
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__raw_bit_toggle_asm(a, nr & 0x1f);
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}
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static inline int test_bit(int nr, const volatile unsigned long *addr)
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{
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volatile const unsigned long *a = addr + (nr >> 5);
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return __raw_bit_test_asm(a, nr & 0x1f) != 0;
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}
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static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
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{
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volatile unsigned long *a = addr + (nr >> 5);
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return __raw_bit_test_set_asm(a, nr & 0x1f);
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}
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static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
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{
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volatile unsigned long *a = addr + (nr >> 5);
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return __raw_bit_test_clear_asm(a, nr & 0x1f);
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}
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static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
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{
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volatile unsigned long *a = addr + (nr >> 5);
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return __raw_bit_test_toggle_asm(a, nr & 0x1f);
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}
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/*
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* clear_bit() doesn't provide any barrier for the compiler.
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*/
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#define smp_mb__before_clear_bit() barrier()
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#define smp_mb__after_clear_bit() barrier()
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#include <asm-generic/bitops/non-atomic.h>
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#include <asm-generic/bitops/find.h>
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#include <asm-generic/bitops/hweight.h>
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#include <asm-generic/bitops/lock.h>
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#include <asm-generic/bitops/ext2-atomic.h>
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#include <asm-generic/bitops/ext2-non-atomic.h>
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#include <asm-generic/bitops/minix.h>
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#include <asm-generic/bitops/fls.h>
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#include <asm-generic/bitops/__fls.h>
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#include <asm-generic/bitops/fls64.h>
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#endif /* CONFIG_SMP */
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#endif /* _BLACKFIN_BITOPS_H */
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