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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