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/* SPDX-License-Identifier: BSD-3-Clause */
/*
* Copyright 2017-2019, 2023 NXP
*/
#ifndef BITOPS_H
#define BITOPS_H
#include <stdint.h>
#define BIT(x) (1UL << (x))
/* Generate a bitmask starting at index s, ending at index e */
#define BIT_MASK(e, s) ((((1UL) << (e - s + 1)) - 1) << s)
static inline uint8_t bf_get_uint8(uint32_t w, uint32_t m, uint8_t s)
{
return (uint8_t) ((w & m) >> s);
}
static inline uint16_t bf_get_uint16(uint32_t w, uint32_t m, uint8_t s)
{
return (uint16_t) ((w & m) >> s);
}
static inline uint32_t bf_get_uint32(uint32_t w, uint32_t m, uint8_t s)
{
return (uint32_t) ((w & m) >> s);
}
static inline uint32_t bf_popcount(uint32_t x)
{
return (uint32_t) (__builtin_popcount(x));
}
static inline uint32_t bf_ffs(uint32_t x)
{
return (uint32_t) (__builtin_ffs(x));
}
#endif /* BITOPS_H */
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