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

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
...@@ -55,6 +55,14 @@ ...@@ -55,6 +55,14 @@
#define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \ #define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \
((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (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> #include <asm/barrier.h>
/* Macro for generating the ***_bits() functions */ /* Macro for generating the ***_bits() functions */
......
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