spinlock.h

/*
 * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef __SPINLOCK_H__
#define __SPINLOCK_H__

#ifndef __ASSEMBLY__

#include <types.h>

typedef struct spinlock {
	volatile uint32_t lock;
} spinlock_t;

void spin_lock(spinlock_t *lock);
void spin_unlock(spinlock_t *lock);

#else

/* Spin lock definitions for use in assembly */
#define SPINLOCK_ASM_ALIGN	2
#define SPINLOCK_ASM_SIZE	4

#endif

#endif /* __SPINLOCK_H__ */