Commit ae189623 authored by Harvey Harrison's avatar Harvey Harrison Committed by Linus Torvalds
Browse files

ia64: introduce asm/swab.h 



Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cfcac2f7

arch/ia64/include/asm/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/ia64/include/asm/byteorder.h

+1 −36
Original line number Diff line number Diff line 
#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 */

arch/ia64/include/asm/swab.h

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+34 −0
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#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 */