| Harvey Harrison | f4d2b14 | 2009-01-06 14:56:27 -0800 | [diff] [blame] | 1 | #ifndef _SPARC_SWAB_H |
| 2 | #define _SPARC_SWAB_H |
| 3 | |
| 4 | #include <linux/types.h> |
| 5 | #include <asm/asi.h> |
| 6 | |
| 7 | #if defined(__sparc__) && defined(__arch64__) |
| 8 | static inline __u16 __arch_swab16p(const __u16 *addr) |
| 9 | { |
| 10 | __u16 ret; |
| 11 | |
| 12 | __asm__ __volatile__ ("lduha [%1] %2, %0" |
| 13 | : "=r" (ret) |
| 14 | : "r" (addr), "i" (ASI_PL)); |
| 15 | return ret; |
| 16 | } |
| 17 | #define __arch_swab16p __arch_swab16p |
| 18 | |
| 19 | static inline __u32 __arch_swab32p(const __u32 *addr) |
| 20 | { |
| 21 | __u32 ret; |
| 22 | |
| 23 | __asm__ __volatile__ ("lduwa [%1] %2, %0" |
| 24 | : "=r" (ret) |
| 25 | : "r" (addr), "i" (ASI_PL)); |
| 26 | return ret; |
| 27 | } |
| 28 | #define __arch_swab32p __arch_swab32p |
| 29 | |
| 30 | static inline __u64 __arch_swab64p(const __u64 *addr) |
| 31 | { |
| 32 | __u64 ret; |
| 33 | |
| 34 | __asm__ __volatile__ ("ldxa [%1] %2, %0" |
| 35 | : "=r" (ret) |
| 36 | : "r" (addr), "i" (ASI_PL)); |
| 37 | return ret; |
| 38 | } |
| 39 | #define __arch_swab64p __arch_swab64p |
| 40 | |
| 41 | #else |
| 42 | #define __SWAB_64_THRU_32__ |
| 43 | #endif /* defined(__sparc__) && defined(__arch64__) */ |
| 44 | |
| 45 | #endif /* _SPARC_SWAB_H */ |