Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: byteorder.h,v 1.8 1997/12/18 02:44:14 ecd Exp $ */ |
| 2 | #ifndef _SPARC64_BYTEORDER_H |
| 3 | #define _SPARC64_BYTEORDER_H |
| 4 | |
| 5 | #include <asm/types.h> |
| 6 | #include <asm/asi.h> |
| 7 | |
| 8 | #ifdef __GNUC__ |
| 9 | |
| 10 | static __inline__ __u16 ___arch__swab16p(const __u16 *addr) |
| 11 | { |
| 12 | __u16 ret; |
| 13 | |
| 14 | __asm__ __volatile__ ("lduha [%1] %2, %0" |
| 15 | : "=r" (ret) |
| 16 | : "r" (addr), "i" (ASI_PL)); |
| 17 | return ret; |
| 18 | } |
| 19 | |
| 20 | static __inline__ __u32 ___arch__swab32p(const __u32 *addr) |
| 21 | { |
| 22 | __u32 ret; |
| 23 | |
| 24 | __asm__ __volatile__ ("lduwa [%1] %2, %0" |
| 25 | : "=r" (ret) |
| 26 | : "r" (addr), "i" (ASI_PL)); |
| 27 | return ret; |
| 28 | } |
| 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 | |
| 40 | #define __arch__swab16p(x) ___arch__swab16p(x) |
| 41 | #define __arch__swab32p(x) ___arch__swab32p(x) |
| 42 | #define __arch__swab64p(x) ___arch__swab64p(x) |
| 43 | |
| 44 | #define __BYTEORDER_HAS_U64__ |
| 45 | |
| 46 | #endif /* __GNUC__ */ |
| 47 | |
| 48 | #include <linux/byteorder/big_endian.h> |
| 49 | |
| 50 | #endif /* _SPARC64_BYTEORDER_H */ |