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1da177e4 LT |
1 | #ifndef _SPARC_BYTEORDER_H |
2 | #define _SPARC_BYTEORDER_H | |
3 | ||
4 | #include <asm/types.h> | |
f610bbc6 DM |
5 | #include <asm/asi.h> |
6 | ||
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__ | |
1da177e4 | 52 | |
1da177e4 LT |
53 | #endif |
54 | ||
55 | #include <linux/byteorder/big_endian.h> | |
56 | ||
57 | #endif /* _SPARC_BYTEORDER_H */ |