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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Harvey Harrison
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Linus Torvalds
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Jan 7, 2009
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Original file line number | Diff line number | Diff line change |
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@@ -1,68 +1,12 @@ | ||
#ifndef __ASM_SH_BYTEORDER_H | ||
#define __ASM_SH_BYTEORDER_H | ||
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/* | ||
* Copyright (C) 1999 Niibe Yutaka | ||
* Copyright (C) 2000, 2001 Paolo Alberelli | ||
*/ | ||
#include <linux/compiler.h> | ||
#include <linux/types.h> | ||
#include <asm/swab.h> | ||
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#ifdef __LITTLE_ENDIAN__ | ||
# define __LITTLE_ENDIAN | ||
#include <linux/byteorder/little_endian.h> | ||
#else | ||
# define __BIG_ENDIAN | ||
#include <linux/byteorder/big_endian.h> | ||
#endif | ||
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#define __SWAB_64_THRU_32__ | ||
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static inline __attribute_const__ __u32 __arch_swab32(__u32 x) | ||
{ | ||
__asm__( | ||
#ifdef __SH5__ | ||
"byterev %0, %0\n\t" | ||
"shari %0, 32, %0" | ||
#else | ||
"swap.b %0, %0\n\t" | ||
"swap.w %0, %0\n\t" | ||
"swap.b %0, %0" | ||
#endif | ||
: "=r" (x) | ||
: "0" (x)); | ||
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return x; | ||
} | ||
#define __arch_swab32 __arch_swab32 | ||
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static inline __attribute_const__ __u16 __arch_swab16(__u16 x) | ||
{ | ||
__asm__( | ||
#ifdef __SH5__ | ||
"byterev %0, %0\n\t" | ||
"shari %0, 32, %0" | ||
#else | ||
"swap.b %0, %0" | ||
#endif | ||
: "=r" (x) | ||
: "0" (x)); | ||
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return x; | ||
} | ||
#define __arch_swab16 __arch_swab16 | ||
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static inline __u64 __arch_swab64(__u64 val) | ||
{ | ||
union { | ||
struct { __u32 a,b; } s; | ||
__u64 u; | ||
} v, w; | ||
v.u = val; | ||
w.s.b = __arch_swab32(v.s.a); | ||
w.s.a = __arch_swab32(v.s.b); | ||
return w.u; | ||
} | ||
#define __arch_swab64 __arch_swab64 | ||
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#include <linux/byteorder.h> | ||
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#endif /* __ASM_SH_BYTEORDER_H */ |
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@@ -0,0 +1,60 @@ | ||
#ifndef __ASM_SH_SWAB_H | ||
#define __ASM_SH_SWAB_H | ||
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/* | ||
* Copyright (C) 1999 Niibe Yutaka | ||
* Copyright (C) 2000, 2001 Paolo Alberelli | ||
*/ | ||
#include <linux/compiler.h> | ||
#include <linux/types.h> | ||
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#define __SWAB_64_THRU_32__ | ||
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static inline __attribute_const__ __u32 __arch_swab32(__u32 x) | ||
{ | ||
__asm__( | ||
#ifdef __SH5__ | ||
"byterev %0, %0\n\t" | ||
"shari %0, 32, %0" | ||
#else | ||
"swap.b %0, %0\n\t" | ||
"swap.w %0, %0\n\t" | ||
"swap.b %0, %0" | ||
#endif | ||
: "=r" (x) | ||
: "0" (x)); | ||
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return x; | ||
} | ||
#define __arch_swab32 __arch_swab32 | ||
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static inline __attribute_const__ __u16 __arch_swab16(__u16 x) | ||
{ | ||
__asm__( | ||
#ifdef __SH5__ | ||
"byterev %0, %0\n\t" | ||
"shari %0, 32, %0" | ||
#else | ||
"swap.b %0, %0" | ||
#endif | ||
: "=r" (x) | ||
: "0" (x)); | ||
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return x; | ||
} | ||
#define __arch_swab16 __arch_swab16 | ||
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static inline __u64 __arch_swab64(__u64 val) | ||
{ | ||
union { | ||
struct { __u32 a,b; } s; | ||
__u64 u; | ||
} v, w; | ||
v.u = val; | ||
w.s.b = __arch_swab32(v.s.a); | ||
w.s.a = __arch_swab32(v.s.b); | ||
return w.u; | ||
} | ||
#define __arch_swab64 __arch_swab64 | ||
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#endif /* __ASM_SH_SWAB_H */ |