| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _SPARC_BYTEORDER_H |
| 2 | #define _SPARC_BYTEORDER_H |
| 3 | |
| 4 | #include <asm/types.h> |
| David S. Miller | f610bbc | 2007-11-16 02:59:58 -0800 | [diff] [blame] | 5 | #include <asm/asi.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| David S. Miller | f610bbc | 2007-11-16 02:59:58 -0800 | [diff] [blame] | 7 | #ifdef __GNUC__ |
| 8 | |
| 9 | #ifdef CONFIG_SPARC32 |
| 10 | #define __SWAB_64_THRU_32__ |
| 11 | #endif |
| 12 | |
| 13 | #ifdef CONFIG_SPARC64 |
| 14 | |
| 15 | static inline __u16 ___arch__swab16p(const __u16 *addr) |
| 16 | { |
| 17 | __u16 ret; |
| 18 | |
| 19 | __asm__ __volatile__ ("lduha [%1] %2, %0" |
| 20 | : "=r" (ret) |
| 21 | : "r" (addr), "i" (ASI_PL)); |
| 22 | return ret; |
| 23 | } |
| 24 | |
| 25 | static inline __u32 ___arch__swab32p(const __u32 *addr) |
| 26 | { |
| 27 | __u32 ret; |
| 28 | |
| 29 | __asm__ __volatile__ ("lduwa [%1] %2, %0" |
| 30 | : "=r" (ret) |
| 31 | : "r" (addr), "i" (ASI_PL)); |
| 32 | return ret; |
| 33 | } |
| 34 | |
| 35 | static inline __u64 ___arch__swab64p(const __u64 *addr) |
| 36 | { |
| 37 | __u64 ret; |
| 38 | |
| 39 | __asm__ __volatile__ ("ldxa [%1] %2, %0" |
| 40 | : "=r" (ret) |
| 41 | : "r" (addr), "i" (ASI_PL)); |
| 42 | return ret; |
| 43 | } |
| 44 | |
| 45 | #define __arch__swab16p(x) ___arch__swab16p(x) |
| 46 | #define __arch__swab32p(x) ___arch__swab32p(x) |
| 47 | #define __arch__swab64p(x) ___arch__swab64p(x) |
| 48 | |
| 49 | #endif /* CONFIG_SPARC64 */ |
| 50 | |
| 51 | #define __BYTEORDER_HAS_U64__ |
| 52 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | #endif |
| 54 | |
| 55 | #include <linux/byteorder/big_endian.h> |
| 56 | |
| 57 | #endif /* _SPARC_BYTEORDER_H */ |