diff options
| author | Harvey Harrison <harvey.harrison@gmail.com> | 2009-01-06 14:56:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 18:10:28 -0800 |
| commit | cfcac2f7dd1a580f0fb7b82bbe3eb14c21c87459 (patch) | |
| tree | 1bcdd9e3721bba42c816effbdba999dac5b54372 /arch/blackfin/include/asm/byteorder.h | |
| parent | af8e24e96facfd42eb12d13c8120e3e95de40aba (diff) | |
blackfin: introduce asm/swab.h
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/blackfin/include/asm/byteorder.h')
| -rw-r--r-- | arch/blackfin/include/asm/byteorder.h | 43 |
1 files changed, 1 insertions, 42 deletions
diff --git a/arch/blackfin/include/asm/byteorder.h b/arch/blackfin/include/asm/byteorder.h index 6a673d42da1..b9e797a497b 100644 --- a/arch/blackfin/include/asm/byteorder.h +++ b/arch/blackfin/include/asm/byteorder.h @@ -1,48 +1,7 @@ #ifndef _BLACKFIN_BYTEORDER_H #define _BLACKFIN_BYTEORDER_H -#include <asm/types.h> -#include <linux/compiler.h> - -#ifdef __GNUC__ - -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; -} - -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__swahb32(x) ___arch__swahb32(x) -#define __arch__swahw32(x) ___arch__swahw32(x) -#define __arch__swab32(x) ___arch__swahb32(___arch__swahw32(x)) - -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(x) ___arch__swab16(x) - -#endif - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - +#include <asm/swab.h> #include <linux/byteorder/little_endian.h> #endif /* _BLACKFIN_BYTEORDER_H */ |