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