linux/arch/unicore32/include/mach/bitfield.h

25 lines
710 B
C

/*
* linux/arch/unicore32/include/mach/bitfield.h
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __MACH_PUV3_BITFIELD_H__
#define __MACH_PUV3_BITFIELD_H__
#ifndef __ASSEMBLY__
#define UData(Data) ((unsigned long) (Data))
#else
#define UData(Data) (Data)
#endif
#define FIELD(val, vmask, vshift) (((val) & ((UData(1) << (vmask)) - 1)) << (vshift))
#define FMASK(vmask, vshift) (((UData(1) << (vmask)) - 1) << (vshift))
#endif /* __MACH_PUV3_BITFIELD_H__ */