From a33982a51b0c6f62ec1a71f3cb43cbfc22a4ffe9 Mon Sep 17 00:00:00 2001
From: wdenk <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 000000000..d648a1915
--- /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 <asm/types.h>
+
+#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
+
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
new file mode 100644
index 000000000..143166362
--- /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 <linux/byteorder/swab.h>
+
+#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 <linux/byteorder/generic.h>
+
+#endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */