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ia64: 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 14:56:31 -08:00 committed by Linus Torvalds
parent cfcac2f7dd
commit ae189623b7
3 changed files with 36 additions and 36 deletions
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1
arch/ia64/include/asm/Kbuild
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@ -14,3 +14,4 @@ unifdef-y += gcc_intrin.h
unifdef-y += intrinsics.h
unifdef-y += perfmon.h
unifdef-y += ustack.h
unifdef-y += swab.h

37
arch/ia64/include/asm/byteorder.h
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@ -1,42 +1,7 @@
#ifndef _ASM_IA64_BYTEORDER_H
#define _ASM_IA64_BYTEORDER_H
/*
* Modified 1998, 1999
* David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
*/
#include <asm/types.h>
#include <asm/intrinsics.h>
#include <linux/compiler.h>
static __inline__ __attribute_const__ __u64
__ia64_swab64 (__u64 x)
{
__u64 result;
result = ia64_mux1(x, ia64_mux1_rev);
return result;
}
static __inline__ __attribute_const__ __u32
__ia64_swab32 (__u32 x)
{
return __ia64_swab64(x) >> 32;
}
static __inline__ __attribute_const__ __u16
__ia64_swab16(__u16 x)
{
return __ia64_swab64(x) >> 48;
}
#define __arch__swab64(x) __ia64_swab64(x)
#define __arch__swab32(x) __ia64_swab32(x)
#define __arch__swab16(x) __ia64_swab16(x)
#define __BYTEORDER_HAS_U64__
#include <asm/swab.h>
#include <linux/byteorder/little_endian.h>
#endif /* _ASM_IA64_BYTEORDER_H */

34
arch/ia64/include/asm/swab.h Normal file
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@ -0,0 +1,34 @@
#ifndef _ASM_IA64_SWAB_H
#define _ASM_IA64_SWAB_H
/*
* Modified 1998, 1999
* David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
*/
#include <asm/types.h>
#include <asm/intrinsics.h>
#include <linux/compiler.h>
static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x)
{
__u64 result;
result = ia64_mux1(x, ia64_mux1_rev);
return result;
}
#define __arch_swab64 __arch_swab64
static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x)
{
return __arch_swab64(x) >> 32;
}
#define __arch_swab32 __arch_swab32
static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x)
{
return __arch_swab64(x) >> 48;
}
#define __arch_swab16 __arch_swab16
#endif /* _ASM_IA64_SWAB_H */