DPDK logo

Elixir Cross Referencer

/* 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_ */