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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 |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| include include/asm-generic/Kbuild.asm | ||
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| unifdef-y += fixed_code.h | ||
| unifdef-y += swab.h |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,48 +1,7 @@ | ||
| #ifndef _BLACKFIN_BYTEORDER_H | ||
| #define _BLACKFIN_BYTEORDER_H | ||
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| #include <asm/types.h> | ||
| #include <linux/compiler.h> | ||
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| #ifdef __GNUC__ | ||
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| static __inline__ __attribute_const__ __u32 ___arch__swahb32(__u32 xx) | ||
| { | ||
| __u32 tmp; | ||
| __asm__("%1 = %0 >> 8 (V);\n\t" | ||
| "%0 = %0 << 8 (V);\n\t" | ||
| "%0 = %0 | %1;\n\t" | ||
| : "+d"(xx), "=&d"(tmp)); | ||
| return xx; | ||
| } | ||
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| static __inline__ __attribute_const__ __u32 ___arch__swahw32(__u32 xx) | ||
| { | ||
| __u32 rv; | ||
| __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx)); | ||
| return rv; | ||
| } | ||
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| #define __arch__swahb32(x) ___arch__swahb32(x) | ||
| #define __arch__swahw32(x) ___arch__swahw32(x) | ||
| #define __arch__swab32(x) ___arch__swahb32(___arch__swahw32(x)) | ||
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| static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 xx) | ||
| { | ||
| __u32 xw = xx; | ||
| __asm__("%0 <<= 8;\n %0.L = %0.L + %0.H (NS);\n": "+d"(xw)); | ||
| return (__u16)xw; | ||
| } | ||
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| #define __arch__swab16(x) ___arch__swab16(x) | ||
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| #endif | ||
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| #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) | ||
| # define __BYTEORDER_HAS_U64__ | ||
| # define __SWAB_64_THRU_32__ | ||
| #endif | ||
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| #include <asm/swab.h> | ||
| #include <linux/byteorder/little_endian.h> | ||
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| #endif /* _BLACKFIN_BYTEORDER_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| #ifndef _BLACKFIN_SWAB_H | ||
| #define _BLACKFIN_SWAB_H | ||
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| #include <asm/types.h> | ||
| #include <linux/compiler.h> | ||
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| #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) | ||
| # define __SWAB_64_THRU_32__ | ||
| #endif | ||
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| #ifdef __GNUC__ | ||
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| static __inline__ __attribute_const__ __u32 __arch_swahb32(__u32 xx) | ||
| { | ||
| __u32 tmp; | ||
| __asm__("%1 = %0 >> 8 (V);\n\t" | ||
| "%0 = %0 << 8 (V);\n\t" | ||
| "%0 = %0 | %1;\n\t" | ||
| : "+d"(xx), "=&d"(tmp)); | ||
| return xx; | ||
| } | ||
| #define __arch_swahb32 __arch_swahb32 | ||
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| static __inline__ __attribute_const__ __u32 __arch_swahw32(__u32 xx) | ||
| { | ||
| __u32 rv; | ||
| __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx)); | ||
| return rv; | ||
| } | ||
| #define __arch_swahw32 __arch_swahw32 | ||
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| static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 xx) | ||
| { | ||
| return __arch_swahb32(__arch_swahw32(xx)); | ||
| } | ||
| #define __arch_swab32 __arch_swab32 | ||
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| static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 xx) | ||
| { | ||
| __u32 xw = xx; | ||
| __asm__("%0 <<= 8;\n %0.L = %0.L + %0.H (NS);\n": "+d"(xw)); | ||
| return (__u16)xw; | ||
| } | ||
| #define __arch_swab16 __arch_swab16 | ||
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| #endif /* __GNUC__ */ | ||
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| #endif /* _BLACKFIN_SWAB_H */ |