projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| f4d2b145 HH |
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 | ||
| 5a2b59d3 | 12 | __asm__ __volatile__ ("lduha [%2] %3, %0" |
| f4d2b145 | 13 | : "=r" (ret) |
| 5a2b59d3 | 14 | : "m" (*addr), "r" (addr), "i" (ASI_PL)); |
| f4d2b145 HH |
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 | ||
| 5a2b59d3 | 23 | __asm__ __volatile__ ("lduwa [%2] %3, %0" |
| f4d2b145 | 24 | : "=r" (ret) |
| 5a2b59d3 | 25 | : "m" (*addr), "r" (addr), "i" (ASI_PL)); |
| f4d2b145 HH |
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 | ||
| 5a2b59d3 | 34 | __asm__ __volatile__ ("ldxa [%2] %3, %0" |
| f4d2b145 | 35 | : "=r" (ret) |
| 5a2b59d3 | 36 | : "m" (*addr), "r" (addr), "i" (ASI_PL)); |
| f4d2b145 HH |
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 */ |