[userspace-rcu.git] / include / urcu / uatomic / loongarch.h

// SPDX-FileCopyrightText: 2021 Wang Jing <wangjing@loongson.cn>
//
// SPDX-License-Identifier: MIT

#ifndef _URCU_UATOMIC_ARCH_LOONGARCH_H
#define _URCU_UATOMIC_ARCH_LOONGARCH_H

/*
 * Atomic exchange operations for the LoongArch architecture. Let GCC do it.
 */

#include <urcu/compiler.h>
#include <urcu/system.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * LoongArch implements byte and short atomics with LL/SC instructions,
 * which retry if the cache line is modified concurrently between LL and
 * SC.
 */
#define UATOMIC_HAS_ATOMIC_BYTE
#define UATOMIC_HAS_ATOMIC_SHORT

#ifdef __cplusplus
}
#endif

#include <urcu/uatomic/generic.h>

#endif /* _URCU_UATOMIC_ARCH_LOONGARCH_H */
Commit	Line	Data
1c64a40d MJ	1	// SPDX-FileCopyrightText: 2021 Wang Jing <wangjing@loongson.cn>
	2	//
	3	// SPDX-License-Identifier: MIT
	4
dc46a9c3 WJ	5	#ifndef _URCU_UATOMIC_ARCH_LOONGARCH_H
	6	#define _URCU_UATOMIC_ARCH_LOONGARCH_H
	7
	8	/*
	9	* Atomic exchange operations for the LoongArch architecture. Let GCC do it.
dc46a9c3 WJ	10	*/
	11
	12	#include <urcu/compiler.h>
	13	#include <urcu/system.h>
	14
	15	#ifdef __cplusplus
	16	extern "C" {
	17	#endif
	18
776b7d45 MD	19	/*
	20	* LoongArch implements byte and short atomics with LL/SC instructions,
	21	* which retry if the cache line is modified concurrently between LL and
	22	* SC.
	23	*/
dc46a9c3 WJ	24	#define UATOMIC_HAS_ATOMIC_BYTE
	25	#define UATOMIC_HAS_ATOMIC_SHORT
	26
	27	#ifdef __cplusplus
	28	}
	29	#endif
	30
	31	#include <urcu/uatomic/generic.h>
	32
	33	#endif /* _URCU_UATOMIC_ARCH_LOONGARCH_H */