diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-02 10:55:55 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-02 21:32:35 +0100 |
| commit | 4baa9922430662431231ac637adedddbb0cfb2d7 (patch) | |
| tree | e8fb765ce3e41c01f33de34a0bc9494f0ae19818 /include/asm-arm/byteorder.h | |
| parent | ff4db0a043a5dee7180bdffd178e61cd02812c68 (diff) | |
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/byteorder.h')
| -rw-r--r-- | include/asm-arm/byteorder.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/include/asm-arm/byteorder.h b/include/asm-arm/byteorder.h deleted file mode 100644 index e6f7fcdc73b..00000000000 --- a/include/asm-arm/byteorder.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * linux/include/asm-arm/byteorder.h - * - * ARM Endian-ness. In little endian mode, the data bus is connected such - * that byte accesses appear as: - * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 - * and word accesses (data or instruction) appear as: - * d0...d31 - * - * When in big endian mode, byte accesses appear as: - * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 - * and word accesses (data or instruction) appear as: - * d0...d31 - */ -#ifndef __ASM_ARM_BYTEORDER_H -#define __ASM_ARM_BYTEORDER_H - -#include <linux/compiler.h> -#include <asm/types.h> - -static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) -{ - __u32 t; - -#ifndef __thumb__ - if (!__builtin_constant_p(x)) { - /* - * The compiler needs a bit of a hint here to always do the - * right thing and not screw it up to different degrees - * depending on the gcc version. - */ - asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x)); - } else -#endif - t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ - - x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */ - t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */ - x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */ - - return x; -} - -#define __arch__swab32(x) ___arch__swab32(x) - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#ifdef __ARMEB__ -#include <linux/byteorder/big_endian.h> -#else -#include <linux/byteorder/little_endian.h> -#endif - -#endif - |