| #ifndef _BLACKFIN_SWAB_H |
| #define _BLACKFIN_SWAB_H |
| |
| #include <asm/types.h> |
| #include <linux/compiler.h> |
| |
| #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) |
| # define __SWAB_64_THRU_32__ |
| #endif |
| |
| #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; |
| } |
| #define __arch_swahb32 __arch_swahb32 |
| |
| 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 |
| |
| static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 xx) |
| { |
| return __arch_swahb32(__arch_swahw32(xx)); |
| } |
| #define __arch_swab32 __arch_swab32 |
| |
| 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 |
| |
| #endif /* __GNUC__ */ |
| |
| #endif /* _BLACKFIN_SWAB_H */ |