/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_ATOMIC_ARM32_H_ #define _RTE_ATOMIC_ARM32_H_ #ifndef RTE_FORCE_INTRINSICS # error Platform must be built with RTE_FORCE_INTRINSICS #endif #ifdef __cplusplus extern "C" { #endif #include "generic/rte_atomic.h" #define rte_mb() __sync_synchronize() #define rte_wmb() do { asm volatile ("dmb st" : : : "memory"); } while (0) #define rte_rmb() __sync_synchronize() #define rte_smp_mb() rte_mb() #define rte_smp_wmb() rte_wmb() #define rte_smp_rmb() rte_rmb() #define rte_io_mb() rte_mb() #define rte_io_wmb() rte_wmb() #define rte_io_rmb() rte_rmb() static __rte_always_inline void rte_atomic_thread_fence(int memorder) { __atomic_thread_fence(memorder); } #ifdef __cplusplus } #endif #endif /* _RTE_ATOMIC_ARM32_H_ */