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