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_ 4 5 #include <asm/types.h> 6 #include <asm/bitsperlong.h> 7 8 static inline void set_bit(int nr, unsigned long *addr) 9 { 10 addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG); 11 } 12 13 static inline void clear_bit(int nr, unsigned long *addr) 14 { 15 addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG)); 16 } 17 18 static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) 19 { 20 return ((1UL << (nr % __BITS_PER_LONG)) & 21 (((unsigned long *)addr)[nr / __BITS_PER_LONG])) != 0; 22 } 23 24 #define __set_bit(nr, addr) set_bit(nr, addr) 25 #define __clear_bit(nr, addr) clear_bit(nr, addr) 26 27 #endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */ 28