From a33982a51b0c6f62ec1a71f3cb43cbfc22a4ffe9 Mon Sep 17 00:00:00 2001 From: wdenk Date: Wed, 14 Aug 2002 18:57:58 +0000 Subject: [PATCH] Initial revision --- include/asm-arm/byteorder.h | 33 ++++++++++++ include/linux/byteorder/little_endian.h | 68 +++++++++++++++++++++++++ 2 files changed, 101 insertions(+) create mode 100644 include/asm-arm/byteorder.h create mode 100644 include/linux/byteorder/little_endian.h diff --git a/include/asm-arm/byteorder.h b/include/asm-arm/byteorder.h new file mode 100644 index 0000000000..d648a1915c --- /dev/null +++ b/include/asm-arm/byteorder.h @@ -0,0 +1,33 @@ +/* + * 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 + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#ifdef __ARMEB__ +#include +#else +#include +#endif + +#endif + diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h new file mode 100644 index 0000000000..1431663621 --- /dev/null +++ b/include/linux/byteorder/little_endian.h @@ -0,0 +1,68 @@ +#ifndef _LINUX_BYTEORDER_LITTLE_ENDIAN_H +#define _LINUX_BYTEORDER_LITTLE_ENDIAN_H + +#ifndef __LITTLE_ENDIAN +#define __LITTLE_ENDIAN 1234 +#endif +#ifndef __LITTLE_ENDIAN_BITFIELD +#define __LITTLE_ENDIAN_BITFIELD +#endif + +#include + +#define __constant_htonl(x) ___constant_swab32((x)) +#define __constant_ntohl(x) ___constant_swab32((x)) +#define __constant_htons(x) ___constant_swab16((x)) +#define __constant_ntohs(x) ___constant_swab16((x)) +#define __constant_cpu_to_le64(x) ((__u64)(x)) +#define __constant_le64_to_cpu(x) ((__u64)(x)) +#define __constant_cpu_to_le32(x) ((__u32)(x)) +#define __constant_le32_to_cpu(x) ((__u32)(x)) +#define __constant_cpu_to_le16(x) ((__u16)(x)) +#define __constant_le16_to_cpu(x) ((__u16)(x)) +#define __constant_cpu_to_be64(x) ___constant_swab64((x)) +#define __constant_be64_to_cpu(x) ___constant_swab64((x)) +#define __constant_cpu_to_be32(x) ___constant_swab32((x)) +#define __constant_be32_to_cpu(x) ___constant_swab32((x)) +#define __constant_cpu_to_be16(x) ___constant_swab16((x)) +#define __constant_be16_to_cpu(x) ___constant_swab16((x)) +#define __cpu_to_le64(x) ((__u64)(x)) +#define __le64_to_cpu(x) ((__u64)(x)) +#define __cpu_to_le32(x) ((__u32)(x)) +#define __le32_to_cpu(x) ((__u32)(x)) +#define __cpu_to_le16(x) ((__u16)(x)) +#define __le16_to_cpu(x) ((__u16)(x)) +#define __cpu_to_be64(x) __swab64((x)) +#define __be64_to_cpu(x) __swab64((x)) +#define __cpu_to_be32(x) __swab32((x)) +#define __be32_to_cpu(x) __swab32((x)) +#define __cpu_to_be16(x) __swab16((x)) +#define __be16_to_cpu(x) __swab16((x)) +#define __cpu_to_le64p(x) (*(__u64*)(x)) +#define __le64_to_cpup(x) (*(__u64*)(x)) +#define __cpu_to_le32p(x) (*(__u32*)(x)) +#define __le32_to_cpup(x) (*(__u32*)(x)) +#define __cpu_to_le16p(x) (*(__u16*)(x)) +#define __le16_to_cpup(x) (*(__u16*)(x)) +#define __cpu_to_be64p(x) __swab64p((x)) +#define __be64_to_cpup(x) __swab64p((x)) +#define __cpu_to_be32p(x) __swab32p((x)) +#define __be32_to_cpup(x) __swab32p((x)) +#define __cpu_to_be16p(x) __swab16p((x)) +#define __be16_to_cpup(x) __swab16p((x)) +#define __cpu_to_le64s(x) do {} while (0) +#define __le64_to_cpus(x) do {} while (0) +#define __cpu_to_le32s(x) do {} while (0) +#define __le32_to_cpus(x) do {} while (0) +#define __cpu_to_le16s(x) do {} while (0) +#define __le16_to_cpus(x) do {} while (0) +#define __cpu_to_be64s(x) __swab64s((x)) +#define __be64_to_cpus(x) __swab64s((x)) +#define __cpu_to_be32s(x) __swab32s((x)) +#define __be32_to_cpus(x) __swab32s((x)) +#define __cpu_to_be16s(x) __swab16s((x)) +#define __be16_to_cpus(x) __swab16s((x)) + +#include + +#endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */ -- 2.25.1