Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/* bits.h: Macros for dealing with bitmasks. */
3
4#ifndef _UAPI_LINUX_BITS_H
5#define _UAPI_LINUX_BITS_H
6
7#define __GENMASK(h, l) \
8 (((~_UL(0)) - (_UL(1) << (l)) + 1) & \
9 (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
10
11#define __GENMASK_ULL(h, l) \
12 (((~_ULL(0)) - (_ULL(1) << (l)) + 1) & \
13 (~_ULL(0) >> (__BITS_PER_LONG_LONG - 1 - (h))))
14
15#define __GENMASK_U128(h, l) \
16 ((_BIT128((h)) << 1) - (_BIT128(l)))
17
18#endif /* _UAPI_LINUX_BITS_H */