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1da177e4 LT |
1 | #ifndef _SPARC64_BYTEORDER_H |
2 | #define _SPARC64_BYTEORDER_H | |
3 | ||
4 | #include <asm/types.h> | |
5 | #include <asm/asi.h> | |
6 | ||
7 | #ifdef __GNUC__ | |
8 | ||
d979f179 | 9 | static inline __u16 ___arch__swab16p(const __u16 *addr) |
1da177e4 LT |
10 | { |
11 | __u16 ret; | |
12 | ||
13 | __asm__ __volatile__ ("lduha [%1] %2, %0" | |
14 | : "=r" (ret) | |
15 | : "r" (addr), "i" (ASI_PL)); | |
16 | return ret; | |
17 | } | |
18 | ||
d979f179 | 19 | static inline __u32 ___arch__swab32p(const __u32 *addr) |
1da177e4 LT |
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 | ||
d979f179 | 29 | static inline __u64 ___arch__swab64p(const __u64 *addr) |
1da177e4 LT |
30 | { |
31 | __u64 ret; | |
32 | ||
33 | __asm__ __volatile__ ("ldxa [%1] %2, %0" | |
34 | : "=r" (ret) | |
35 | : "r" (addr), "i" (ASI_PL)); | |
36 | return ret; | |
37 | } | |
38 | ||
39 | #define __arch__swab16p(x) ___arch__swab16p(x) | |
40 | #define __arch__swab32p(x) ___arch__swab32p(x) | |
41 | #define __arch__swab64p(x) ___arch__swab64p(x) | |
42 | ||
43 | #define __BYTEORDER_HAS_U64__ | |
44 | ||
45 | #endif /* __GNUC__ */ | |
46 | ||
47 | #include <linux/byteorder/big_endian.h> | |
48 | ||
49 | #endif /* _SPARC64_BYTEORDER_H */ |