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82cb2c1ad9
To make software license auditing simpler, use SPDX[0] license identifiers instead of duplicating the license text in every file. NOTE: Files that have been imported by FreeBSD have not been modified. [0]: https://spdx.org/ Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
29 lines
506 B
C
29 lines
506 B
C
/*
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* Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __SPINLOCK_H__
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#define __SPINLOCK_H__
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#ifndef __ASSEMBLY__
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#include <types.h>
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typedef struct spinlock {
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volatile uint32_t lock;
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} spinlock_t;
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void spin_lock(spinlock_t *lock);
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void spin_unlock(spinlock_t *lock);
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#else
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/* Spin lock definitions for use in assembly */
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#define SPINLOCK_ASM_ALIGN 2
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#define SPINLOCK_ASM_SIZE 4
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#endif
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#endif /* __SPINLOCK_H__ */
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