OpenCloudOS-Kernel/tools/include/asm-generic/bitsperlong.h

25 lines
596 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_GENERIC_BITS_PER_LONG
#define __ASM_GENERIC_BITS_PER_LONG
#include <uapi/asm-generic/bitsperlong.h>
#ifdef __SIZEOF_LONG__
#define BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__)
#else
#define BITS_PER_LONG __WORDSIZE
#endif
#if BITS_PER_LONG != __BITS_PER_LONG
#error Inconsistent word size. Check asm/bitsperlong.h
#endif
#ifndef BITS_PER_LONG_LONG
#define BITS_PER_LONG_LONG 64
#endif
#define small_const_nbits(nbits) \
(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0)
#endif /* __ASM_GENERIC_BITS_PER_LONG */