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Commit 22bd64a6 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Michael Ellerman
Browse files

powerpc: Add more PPC bit conversion macros 



Add 32 and 8 bit variants

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent eeea1a43

arch/powerpc/include/asm/bitops.h

+8 −0
Original line number Diff line number Diff line
@@ -55,6 +55,14 @@ 
#define PPC_BITEXTRACT(bits, ppc_bit, dst_bit)			\

	((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (dst_bit))



#define PPC_BITLSHIFT32(be)	(32 - 1 - (be))

#define PPC_BIT32(bit)		(1UL << PPC_BITLSHIFT32(bit))

#define PPC_BITMASK32(bs, be)	((PPC_BIT32(bs) - PPC_BIT32(be))|PPC_BIT32(bs))



#define PPC_BITLSHIFT8(be)	(8 - 1 - (be))

#define PPC_BIT8(bit)		(1UL << PPC_BITLSHIFT8(bit))

#define PPC_BITMASK8(bs, be)	((PPC_BIT8(bs) - PPC_BIT8(be))|PPC_BIT8(bs))



#include <asm/barrier.h>



/* Macro for generating the ***_bits() functions */