| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 1 | /* |
| Jeenu Viswambharan | 54ec86a | 2017-01-19 14:23:36 +0000 | [diff] [blame] | 2 | * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved. |
| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 3 | * |
| dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef __SPINLOCK_H__ |
| 8 | #define __SPINLOCK_H__ |
| 9 | |
| Jeenu Viswambharan | 54ec86a | 2017-01-19 14:23:36 +0000 | [diff] [blame] | 10 | #ifndef __ASSEMBLY__ |
| 11 | |
| 12 | #include <types.h> |
| 13 | |
| Dan Handley | e2712bc | 2014-04-10 15:37:22 +0100 | [diff] [blame] | 14 | typedef struct spinlock { |
| Jeenu Viswambharan | 54ec86a | 2017-01-19 14:23:36 +0000 | [diff] [blame] | 15 | volatile uint32_t lock; |
| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 16 | } spinlock_t; |
| 17 | |
| 18 | void spin_lock(spinlock_t *lock); |
| 19 | void spin_unlock(spinlock_t *lock); |
| 20 | |
| Jeenu Viswambharan | 54ec86a | 2017-01-19 14:23:36 +0000 | [diff] [blame] | 21 | #else |
| 22 | |
| 23 | /* Spin lock definitions for use in assembly */ |
| 24 | #define SPINLOCK_ASM_ALIGN 2 |
| 25 | #define SPINLOCK_ASM_SIZE 4 |
| 26 | |
| 27 | #endif |
| 28 | |
| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 29 | #endif /* __SPINLOCK_H__ */ |