diff options
author | Harvey Harrison <harvey.harrison@gmail.com> | 2009-01-06 17:56:27 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 21:10:27 -0500 |
commit | f4d2b14501bb7f9a3fa75c07ec0940068fadf728 (patch) | |
tree | ab54ca436766cff9405edbff535aa64f679adb44 | |
parent | 1af84a625356768ab1f9687b70c825250123d7fd (diff) |
sparc: introduce asm/swab.h
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | arch/sparc/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/sparc/include/asm/byteorder.h | 46 | ||||
-rw-r--r-- | arch/sparc/include/asm/swab.h | 45 |
3 files changed, 48 insertions, 44 deletions
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index deeb0fba8029..95e38a43dff0 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild | |||
@@ -17,3 +17,4 @@ header-y += traps.h | |||
17 | header-y += uctx.h | 17 | header-y += uctx.h |
18 | header-y += utrap.h | 18 | header-y += utrap.h |
19 | header-y += watchdog.h | 19 | header-y += watchdog.h |
20 | header-y += swab.h | ||
diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h index 738414b26558..48a047cd6fa9 100644 --- a/arch/sparc/include/asm/byteorder.h +++ b/arch/sparc/include/asm/byteorder.h | |||
@@ -1,49 +1,7 @@ | |||
1 | #ifndef _SPARC_BYTEORDER_H | 1 | #ifndef _SPARC_BYTEORDER_H |
2 | #define _SPARC_BYTEORDER_H | 2 | #define _SPARC_BYTEORDER_H |
3 | 3 | ||
4 | #include <linux/types.h> | 4 | #include <asm/swab.h> |
5 | #include <asm/asi.h> | 5 | #include <linux/byteorder/big_endian.h> |
6 | |||
7 | #define __BIG_ENDIAN | ||
8 | |||
9 | #if defined(__sparc__) && defined(__arch64__) | ||
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 | #define __arch_swab16p __arch_swab16p | ||
20 | |||
21 | static inline __u32 __arch_swab32p(const __u32 *addr) | ||
22 | { | ||
23 | __u32 ret; | ||
24 | |||
25 | __asm__ __volatile__ ("lduwa [%1] %2, %0" | ||
26 | : "=r" (ret) | ||
27 | : "r" (addr), "i" (ASI_PL)); | ||
28 | return ret; | ||
29 | } | ||
30 | #define __arch_swab32p __arch_swab32p | ||
31 | |||
32 | static inline __u64 __arch_swab64p(const __u64 *addr) | ||
33 | { | ||
34 | __u64 ret; | ||
35 | |||
36 | __asm__ __volatile__ ("ldxa [%1] %2, %0" | ||
37 | : "=r" (ret) | ||
38 | : "r" (addr), "i" (ASI_PL)); | ||
39 | return ret; | ||
40 | } | ||
41 | #define __arch_swab64p __arch_swab64p | ||
42 | |||
43 | #else | ||
44 | #define __SWAB_64_THRU_32__ | ||
45 | #endif /* defined(__sparc__) && defined(__arch64__) */ | ||
46 | |||
47 | #include <linux/byteorder.h> | ||
48 | 6 | ||
49 | #endif /* _SPARC_BYTEORDER_H */ | 7 | #endif /* _SPARC_BYTEORDER_H */ |
diff --git a/arch/sparc/include/asm/swab.h b/arch/sparc/include/asm/swab.h new file mode 100644 index 000000000000..a34ad079487e --- /dev/null +++ b/arch/sparc/include/asm/swab.h | |||
@@ -0,0 +1,45 @@ | |||
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 | |||
12 | __asm__ __volatile__ ("lduha [%1] %2, %0" | ||
13 | : "=r" (ret) | ||
14 | : "r" (addr), "i" (ASI_PL)); | ||
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 | |||
23 | __asm__ __volatile__ ("lduwa [%1] %2, %0" | ||
24 | : "=r" (ret) | ||
25 | : "r" (addr), "i" (ASI_PL)); | ||
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 | |||
34 | __asm__ __volatile__ ("ldxa [%1] %2, %0" | ||
35 | : "=r" (ret) | ||
36 | : "r" (addr), "i" (ASI_PL)); | ||
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 */ | ||