| Akshay Belsare | 5303e3f | 2023-05-12 14:28:05 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved. | ||||
| 3 | * | ||||
| 4 | * SPDX-License-Identifier: BSD-3-Clause | ||||
| 5 | */ | ||||
| 6 | |||||
| 7 | /* Header file to contain common macros across different platforms */ | ||||
| 8 | #ifndef PLAT_COMMON_H | ||||
| 9 | #define PLAT_COMMON_H | ||||
| 10 | |||||
| 11 | #define __bf_shf(x) (__builtin_ffsll(x) - 1U) | ||||
| 12 | #define FIELD_GET(_mask, _reg) \ | ||||
| 13 | ({ \ | ||||
| 14 | (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ | ||||
| 15 | }) | ||||
| 16 | |||||
| 17 | #endif /* PLAT_COMMON_H */ | ||||