1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2016-2017, Linaro Limited 4 */ 5 6 #ifndef __ATOMIC_H 7 #define __ATOMIC_H 8 9 #include <compiler.h> 10 #include <types_ext.h> 11 12 uint32_t atomic_inc32(volatile uint32_t *v); 13 uint32_t atomic_dec32(volatile uint32_t *v); 14 15 static inline bool atomic_cas_uint(unsigned int *p, unsigned int *oval, 16 unsigned int nval) 17 { 18 return __compiler_compare_and_swap(p, oval, nval); 19 } 20 21 static inline bool atomic_cas_u32(uint32_t *p, uint32_t *oval, uint32_t nval) 22 { 23 return __compiler_compare_and_swap(p, oval, nval); 24 } 25 26 static inline unsigned int atomic_load_uint(unsigned int *p) 27 { 28 return __compiler_atomic_load(p); 29 } 30 31 static inline unsigned int atomic_load_u32(unsigned int *p) 32 { 33 return __compiler_atomic_load(p); 34 } 35 36 static inline void atomic_store_uint(unsigned int *p, unsigned int val) 37 { 38 __compiler_atomic_store(p, val); 39 } 40 41 static inline void atomic_store_u32(uint32_t *p, uint32_t val) 42 { 43 __compiler_atomic_store(p, val); 44 } 45 46 #endif /*__ATOMIC_H*/ 47