From: Harvey Harrison Date: Wed, 14 Jan 2009 03:31:29 +0000 (-0800) Subject: cris: introduce asm/swab.h X-Git-Tag: v2.6.29-rc2~79 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa0effbd1c0269ce7dd13be8dbf13e6b04f30ebd;p=platform%2Fkernel%2Flinux-exynos.git cris: introduce asm/swab.h Adjust the arch overrides to the new names as well. Signed-off-by: Harvey Harrison Signed-off-by: Linus Torvalds --- diff --git a/arch/cris/include/arch-v10/arch/byteorder.h b/arch/cris/include/arch-v10/arch/swab.h similarity index 55% rename from arch/cris/include/arch-v10/arch/byteorder.h rename to arch/cris/include/arch-v10/arch/swab.h index 255b646..e4e847d 100644 --- a/arch/cris/include/arch-v10/arch/byteorder.h +++ b/arch/cris/include/arch-v10/arch/swab.h @@ -1,26 +1,30 @@ -#ifndef _CRIS_ARCH_BYTEORDER_H -#define _CRIS_ARCH_BYTEORDER_H +#ifndef _CRIS_ARCH_SWAB_H +#define _CRIS_ARCH_SWAB_H #include #include +#define __SWAB_64_THRU_32__ + /* we just define these two (as we can do the swap in a single * asm instruction in CRIS) and the arch-independent files will put * them together into ntohl etc. */ -static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) +static inline __attribute_const__ __u32 __arch_swab32(__u32 x) { __asm__ ("swapwb %0" : "=r" (x) : "0" (x)); - + return(x); } +#define __arch_swab32 __arch_swab32 -static inline __attribute_const__ __u16 ___arch__swab16(__u16 x) +static inline __attribute_const__ __u16 __arch_swab16(__u16 x) { __asm__ ("swapb %0" : "=r" (x) : "0" (x)); - + return(x); } +#define __arch_swab16 __arch_swab16 #endif diff --git a/arch/cris/include/arch-v32/arch/byteorder.h b/arch/cris/include/arch-v32/arch/byteorder.h deleted file mode 100644 index 6ef8fb4..0000000 --- a/arch/cris/include/arch-v32/arch/byteorder.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef _ASM_CRIS_ARCH_BYTEORDER_H -#define _ASM_CRIS_ARCH_BYTEORDER_H - -#include - -static inline __const__ __u32 -___arch__swab32(__u32 x) -{ - __asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x)); - return (x); -} - -static inline __const__ __u16 -___arch__swab16(__u16 x) -{ - __asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x)); - return (x); -} - -#endif /* _ASM_CRIS_ARCH_BYTEORDER_H */ diff --git a/arch/cris/include/arch-v32/arch/swab.h b/arch/cris/include/arch-v32/arch/swab.h new file mode 100644 index 0000000..9a4ea5e --- /dev/null +++ b/arch/cris/include/arch-v32/arch/swab.h @@ -0,0 +1,24 @@ +#ifndef _ASM_CRIS_ARCH_SWAB_H +#define _ASM_CRIS_ARCH_SWAB_H + +#include + +#define __SWAB_64_THRU_32__ + +static inline __const__ __u32 +__arch_swab32(__u32 x) +{ + __asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x)); + return (x); +} +#define __arch_swab32 __arch_swab32 + +static inline __const__ __u16 +__arch_swab16(__u16 x) +{ + __asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x)); + return (x); +} +#define __arch_swab16 __arch_swab16 + +#endif /* _ASM_CRIS_ARCH_SWAB_H */ diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index d5b6319..b79b7c6 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -9,3 +9,4 @@ header-y += sync_serial.h unifdef-y += etraxgpio.h unifdef-y += rs485.h +unifdef-y += swab.h diff --git a/arch/cris/include/asm/byteorder.h b/arch/cris/include/asm/byteorder.h index cc8e418..7678d86 100644 --- a/arch/cris/include/asm/byteorder.h +++ b/arch/cris/include/asm/byteorder.h @@ -1,25 +1,7 @@ #ifndef _CRIS_BYTEORDER_H #define _CRIS_BYTEORDER_H -#ifdef __GNUC__ - -#ifdef __KERNEL__ -#include - -/* defines are necessary because the other files detect the presence - * of a defined __arch_swab32, not an inline - */ -#define __arch__swab32(x) ___arch__swab32(x) -#define __arch__swab16(x) ___arch__swab16(x) -#endif /* __KERNEL__ */ - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#endif /* __GNUC__ */ - +#include #include #endif diff --git a/arch/cris/include/asm/swab.h b/arch/cris/include/asm/swab.h new file mode 100644 index 0000000..80668e8 --- /dev/null +++ b/arch/cris/include/asm/swab.h @@ -0,0 +1,8 @@ +#ifndef _CRIS_SWAB_H +#define _CRIS_SWAB_H + +#ifdef __KERNEL__ +#include +#endif /* __KERNEL__ */ + +#endif /* _CRIS_SWAB_H */