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m68knommu: introduce asm/swab.h

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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Harvey Harrison 2009-01-06 14:56:32 -08:00 committed by Linus Torvalds
parent fc61708b3a
commit 231cc432f4
3 changed files with 27 additions and 21 deletions
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2
arch/m68knommu/include/asm/Kbuild
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@ -1 +1,3 @@
include include/asm-generic/Kbuild.asm
unifdef-y += swab.h

22
arch/m68knommu/include/asm/byteorder.h
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@ -1,27 +1,7 @@
#ifndef _M68KNOMMU_BYTEORDER_H
#define _M68KNOMMU_BYTEORDER_H
#include <linux/types.h>
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__
# define __SWAB_64_THRU_32__
#endif
#if defined (__mcfisaaplus__) || defined (__mcfisac__)
static inline __attribute_const__ __u32 ___arch__swab32(__u32 val)
{
asm(
"byterev %0"
: "=d" (val)
: "0" (val)
);
return val;
}
#define __arch__swab32(x) ___arch__swab32(x)
#endif
#include <asm/swab.h>
#include <linux/byteorder/big_endian.h>
#endif /* _M68KNOMMU_BYTEORDER_H */

24
arch/m68knommu/include/asm/swab.h Normal file
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@ -0,0 +1,24 @@
#ifndef _M68KNOMMU_SWAB_H
#define _M68KNOMMU_SWAB_H
#include <linux/types.h>
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __SWAB_64_THRU_32__
#endif
#if defined (__mcfisaaplus__) || defined (__mcfisac__)
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
asm(
"byterev %0"
: "=d" (val)
: "0" (val)
);
return val;
}
#define __arch_swab32 __arch_swab32
#endif
#endif /* _M68KNOMMU_SWAB_H */