sof/xtos/include/rtos/bit.h

28 lines
701 B
C

/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2018 Intel Corporation. All rights reserved.
*
* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
*/
#ifndef __XTOS_RTOS_BIT_H__
#define __XTOS_RTOS_BIT_H__
#if ASSEMBLY
#define BIT(b) (1 << (b))
#else
#define BIT(b) (1UL << (b))
#endif
#define MASK(b_hi, b_lo) \
(((1ULL << ((b_hi) - (b_lo) + 1ULL)) - 1ULL) << (b_lo))
#define SET_BIT(b, x) (((x) & 1) << (b))
#define SET_BITS(b_hi, b_lo, x) \
(((x) & ((1ULL << ((b_hi) - (b_lo) + 1ULL)) - 1ULL)) << (b_lo))
#define GET_BIT(b, x) \
(((x) & (1ULL << (b))) >> (b))
#define GET_BITS(b_hi, b_lo, x) \
(((x) & MASK(b_hi, b_lo)) >> (b_lo))
#endif /* __XTOS_RTOS_BIT_H__ */