1 /* 2 * linux/arch/unicore32/include/mach/bitfield.h 3 * 4 * Code specific to PKUnity SoC and UniCore ISA 5 * 6 * Copyright (C) 2001-2010 GUAN Xue-tao 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 #ifndef __MACH_PUV3_BITFIELD_H__ 13 #define __MACH_PUV3_BITFIELD_H__ 14 15 #ifndef __ASSEMBLY__ 16 #define UData(Data) ((unsigned long) (Data)) 17 #else 18 #define UData(Data) (Data) 19 #endif 20 21 #define FIELD(val, vmask, vshift) (((val) & ((UData(1) << (vmask)) - 1)) << (vshift)) 22 #define FMASK(vmask, vshift) (((UData(1) << (vmask)) - 1) << (vshift)) 23 24 #endif /* __MACH_PUV3_BITFIELD_H__ */ 25