projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1394f032 BW |
1 | #ifndef _BLACKFIN_BYTEORDER_H |
| 2 | #define _BLACKFIN_BYTEORDER_H | |
| 3 | ||
| 4 | #include <asm/types.h> | |
| 5 | #include <linux/compiler.h> | |
| 6 | ||
| 7 | #ifdef __GNUC__ | |
| 8 | ||
| 9 | static __inline__ __attribute_const__ __u32 ___arch__swahb32(__u32 xx) | |
| 10 | { | |
| 11 | __u32 tmp; | |
| 12 | __asm__("%1 = %0 >> 8 (V);\n\t" | |
| 13 | "%0 = %0 << 8 (V);\n\t" | |
| 14 | "%0 = %0 | %1;\n\t" | |
| 15 | : "+d"(xx), "=&d"(tmp)); | |
| 16 | return xx; | |
| 17 | } | |
| 18 | ||
| 19 | static __inline__ __attribute_const__ __u32 ___arch__swahw32(__u32 xx) | |
| 20 | { | |
| 21 | __u32 rv; | |
| 22 | __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx)); | |
| 23 | return rv; | |
| 24 | } | |
| 25 | ||
| 26 | #define __arch__swahb32(x) ___arch__swahb32(x) | |
| 27 | #define __arch__swahw32(x) ___arch__swahw32(x) | |
| 28 | #define __arch__swab32(x) ___arch__swahb32(___arch__swahw32(x)) | |
| 29 | ||
| 30 | static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 xx) | |
| 31 | { | |
| 32 | __u32 xw = xx; | |
| 33 | __asm__("%0 <<= 8;\n %0.L = %0.L + %0.H (NS);\n": "+d"(xw)); | |
| 34 | return (__u16)xw; | |
| 35 | } | |
| 36 | ||
| 37 | #define __arch__swab16(x) ___arch__swab16(x) | |
| 38 | ||
| 39 | #endif | |
| 40 | ||
| 41 | #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) | |
| 42 | # define __BYTEORDER_HAS_U64__ | |
| 43 | # define __SWAB_64_THRU_32__ | |
| 44 | #endif | |
| 45 | ||
| 46 | #include <linux/byteorder/little_endian.h> | |
| 47 | ||
| 48 | #endif /* _BLACKFIN_BYTEORDER_H */ |