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29 lines
496 B
29 lines
496 B
/*
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* Copyright (c) 2013-2018, 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 __ASSEMBLER__
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#include <stdint.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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