| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 1 | /* |
| Govindraj Raja | eee28e7 | 2023-08-01 15:52:40 -0500 | [diff] [blame] | 2 | * Copyright (c) 2013-2018, 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 | |||||
| Antonio Nino Diaz | 519248b | 2018-10-31 15:55:57 +0000 | [diff] [blame] | 7 | #ifndef SPINLOCK_H |
| 8 | #define SPINLOCK_H | ||||
| Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 9 | |
| Julius Werner | 53456fc | 2019-07-09 13:49:11 -0700 | [diff] [blame] | 10 | #ifndef __ASSEMBLER__ |
| Jeenu Viswambharan | 54ec86a | 2017-01-19 14:23:36 +0000 | [diff] [blame] | 11 | |
| Antonio Nino Diaz | 4b32e62 | 2018-08-16 16:52:57 +0100 | [diff] [blame] | 12 | #include <stdint.h> |
| Jeenu Viswambharan | 54ec86a | 2017-01-19 14:23:36 +0000 | [diff] [blame] | 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 | |||||
| Antonio Nino Diaz | 519248b | 2018-10-31 15:55:57 +0000 | [diff] [blame] | 29 | #endif /* SPINLOCK_H */ |