From f4d2b14501bb7f9a3fa75c07ec0940068fadf728 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Tue, 6 Jan 2009 14:56:27 -0800 Subject: sparc: introduce asm/swab.h Signed-off-by: Harvey Harrison Signed-off-by: Linus Torvalds --- arch/sparc/include/asm/Kbuild | 1 + arch/sparc/include/asm/byteorder.h | 46 ++------------------------------------ arch/sparc/include/asm/swab.h | 45 +++++++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+), 44 deletions(-) create mode 100644 arch/sparc/include/asm/swab.h 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 header-y += uctx.h header-y += utrap.h header-y += watchdog.h +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 @@ #ifndef _SPARC_BYTEORDER_H #define _SPARC_BYTEORDER_H -#include -#include - -#define __BIG_ENDIAN - -#if defined(__sparc__) && defined(__arch64__) -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; -} -#define __arch_swab16p __arch_swab16p - -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; -} -#define __arch_swab32p __arch_swab32p - -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_swab64p __arch_swab64p - -#else -#define __SWAB_64_THRU_32__ -#endif /* defined(__sparc__) && defined(__arch64__) */ - -#include +#include +#include #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 @@ +#ifndef _SPARC_SWAB_H +#define _SPARC_SWAB_H + +#include +#include + +#if defined(__sparc__) && defined(__arch64__) +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; +} +#define __arch_swab16p __arch_swab16p + +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; +} +#define __arch_swab32p __arch_swab32p + +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_swab64p __arch_swab64p + +#else +#define __SWAB_64_THRU_32__ +#endif /* defined(__sparc__) && defined(__arch64__) */ + +#endif /* _SPARC_SWAB_H */ -- cgit v1.2.3