2009-03-04 04:28:35 +01:00
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/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef __ASM_ARM_BYTEORDER_H
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#define __ASM_ARM_BYTEORDER_H
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#include <linux/compiler.h>
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#include <asm/types.h>
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static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
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{
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__u32 t;
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#ifndef __thumb__
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if (!__builtin_constant_p(x)) {
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2010-12-08 09:33:51 +01:00
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__asm__ ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x));
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2009-03-04 04:28:35 +01:00
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} else
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#endif
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t = x ^ ((x << 16) | (x >> 16));
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x = (x << 24) | (x >> 8);
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t &= ~0x00FF0000;
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x ^= (t >> 8);
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return x;
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}
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#define __arch__swab32(x) ___arch__swab32(x)
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#ifndef __STRICT_ANSI__
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#define __BYTEORDER_HAS_U64__
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#define __SWAB_64_THRU_32__
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#endif
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#ifdef __ARMEB__
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#include <linux/byteorder/big_endian.h>
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#else
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#include <linux/byteorder/little_endian.h>
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#endif
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#endif
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