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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-11-16 11:59:58 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-02-09 13:17:28 +0100 |
| commit | f610bbc6accaacdf46501208178ff77c4422587a (patch) | |
| tree | b8fa7221db53dffe0a8834f82a0328ae9fb24420 /include | |
| parent | [SPARC]: Merge asm-sparc{,64}/bugs.h (diff) | |
| download | linux-f610bbc6accaacdf46501208178ff77c4422587a.tar.xz linux-f610bbc6accaacdf46501208178ff77c4422587a.zip | |
[SPARC]: Merge asm-sparc{,64}/byteorder.h
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-sparc/byteorder.h | 51 | ||||
| -rw-r--r-- | include/asm-sparc64/byteorder.h | 50 |
2 files changed, 48 insertions, 53 deletions
diff --git a/include/asm-sparc/byteorder.h b/include/asm-sparc/byteorder.h index a2949aea48ef..bcd83aa351c5 100644 --- a/include/asm-sparc/byteorder.h +++ b/include/asm-sparc/byteorder.h @@ -1,12 +1,55 @@ -/* $Id: byteorder.h,v 1.15 1997/12/16 19:20:44 davem Exp $ */ #ifndef _SPARC_BYTEORDER_H #define _SPARC_BYTEORDER_H #include <asm/types.h> +#include <asm/asi.h> + +#ifdef __GNUC__ + +#ifdef CONFIG_SPARC32 +#define __SWAB_64_THRU_32__ +#endif + +#ifdef CONFIG_SPARC64 + +static inline __u16 ___arch__swab16p(const __u16 *addr) +{ + __u16 ret; + + __asm__ __volatile__ ("lduha [%1] %2, %0" + : "=r" (ret) + : "r" (addr), "i" (ASI_PL)); + return ret; +} + +static inline __u32 ___arch__swab32p(const __u32 *addr) +{ + __u32 ret; + + __asm__ __volatile__ ("lduwa [%1] %2, %0" + : "=r" (ret) + : "r" (addr), "i" (ASI_PL)); + return ret; +} + +static inline __u64 ___arch__swab64p(const __u64 *addr) +{ + __u64 ret; + + __asm__ __volatile__ ("ldxa [%1] %2, %0" + : "=r" (ret) + : "r" (addr), "i" (ASI_PL)); + return ret; +} + +#define __arch__swab16p(x) ___arch__swab16p(x) +#define __arch__swab32p(x) ___arch__swab32p(x) +#define __arch__swab64p(x) ___arch__swab64p(x) + +#endif /* CONFIG_SPARC64 */ + +#define __BYTEORDER_HAS_U64__ -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ #endif #include <linux/byteorder/big_endian.h> diff --git a/include/asm-sparc64/byteorder.h b/include/asm-sparc64/byteorder.h index 3943022906fd..f672855bee17 100644 --- a/include/asm-sparc64/byteorder.h +++ b/include/asm-sparc64/byteorder.h @@ -1,49 +1 @@ -#ifndef _SPARC64_BYTEORDER_H -#define _SPARC64_BYTEORDER_H - -#include <asm/types.h> -#include <asm/asi.h> - -#ifdef __GNUC__ - -static inline __u16 ___arch__swab16p(const __u16 *addr) -{ - __u16 ret; - - __asm__ __volatile__ ("lduha [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); - return ret; -} - -static inline __u32 ___arch__swab32p(const __u32 *addr) -{ - __u32 ret; - - __asm__ __volatile__ ("lduwa [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); - return ret; -} - -static inline __u64 ___arch__swab64p(const __u64 *addr) -{ - __u64 ret; - - __asm__ __volatile__ ("ldxa [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); - return ret; -} - -#define __arch__swab16p(x) ___arch__swab16p(x) -#define __arch__swab32p(x) ___arch__swab32p(x) -#define __arch__swab64p(x) ___arch__swab64p(x) - -#define __BYTEORDER_HAS_U64__ - -#endif /* __GNUC__ */ - -#include <linux/byteorder/big_endian.h> - -#endif /* _SPARC64_BYTEORDER_H */ +#include <asm-sparc/byteorder.h> |