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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* The content of this file is mainly copied/inspired from Linux kernel
* code in include/linux/align.h and include/uapi/linux/const.h
*
* Macro name 'ALIGN' conflicts with macOS/BSD file param.h
*/
#ifndef OPENOCD_HELPER_ALIGN_H
#define OPENOCD_HELPER_ALIGN_H
#define ALIGN_MASK(x, mask) \
({ \
typeof(mask) _mask = (mask); \
((x) + _mask) & ~_mask; \
})
/* @a is a power of 2 value */
#define ALIGN_UP(x, a) ALIGN_MASK(x, (typeof(x))(a) - 1)
#define ALIGN_DOWN(x, a) ((x) & ~((typeof(x))(a) - 1))
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
#define IS_PWR_OF_2(x) \
({ \
typeof(x) _x = (x); \
_x == 0 || (_x & (_x - 1)) == 0; \
})
#endif /* OPENOCD_HELPER_ALIGN_H */