1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
3 #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_
6 #include <asm/bitsperlong.h>
8 static inline void set_bit(int nr, unsigned long *addr)
10 addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
13 static inline void clear_bit(int nr, unsigned long *addr)
15 addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
18 static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
20 return ((1UL << (nr % __BITS_PER_LONG)) &
21 (((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0;
24 #define __set_bit(nr, addr) set_bit(nr, addr)
25 #define __clear_bit(nr, addr) clear_bit(nr, addr)
27 #endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */