patch-2.1.71 linux/include/linux/byteorder_vaxendian.h

• Lines: 95
• Date: Wed Dec 3 06:18:17 1997
• Orig file: v2.1.70/linux/include/linux/byteorder_vaxendian.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.70/linux/include/linux/byteorder_vaxendian.h linux/include/linux/byteorder_vaxendian.h
@@ -0,0 +1,94 @@
+#ifndef _LINUX_BYTEORDER_VAX_ENDIAN_H
+#define _LINUX_BYTEORDER_VAX_ENDIAN_H
+
+/*
+ * Could have been named NUXI-endian
+ * This file isn't operational.
+ * It's the beginning of what vaxlinux implementers will have to do.
+ * I just hope we won't have to write standardized cpu_to_ve32() and suches!
+ * little endian is 1234; bigendian is 4321; vaxendian is 3412
+ * But what does a __u64 look like: is it 34127856 or 78563412 ???
+ * I don't dare imagine!
+ */
+
+#ifndef __VAX_ENDIAN
+#define __VAX_ENDIAN 3412
+#endif
+#ifndef __VAX_ENDIAN_BITFIELD
+#define __VAX_ENDIAN_BITFIELD
+#endif
+
+#define ___swahw32(x) \
+	((__u32)( \
+		(((__u32)(x) & (__u32)0x0000ffffUL) << 16) | \
+		(((__u32)(x) & (__u32)0xffff0000UL) >> 16) ))
+#define ___swahb32(x) \
+	((__u32)( \
+		(((__u32)(x) & (__u32)0x00ff00ffUL) << 16) | \
+		(((__u32)(x) & (__u32)0xff00ff00UL) >> 16) ))
+
+
+#ifndef __arch__swahw32
+#  define __arch__swahw32(x) ___swahw32(x)
+#endif
+#ifndef __arch__swahb32
+#  define __arch__swahb32(x) ___swahb32(x)
+#endif
+#ifndef __arch__swahw32p
+#  define __arch__swahw32p(x) __swahw32(*(x))
+#endif
+#ifndef __arch__swahb32p
+#  define __arch__swahb32p(x) __swahb32(*(x))
+#endif
+#ifndef __arch__swahw32s
+#  define __arch__swahw32s(x) *(x) = __swahw32p((x))
+#endif
+#ifndef __arch__swahb32s
+#  define __arch__swahb32s(x) *(x) = __swahb32p((x))
+#endif
+
+
+#define __constant_htonl(x) ___swahb32((x))
+#define __constant_ntohl(x) ___swahb32((x))
+#define __constant_htons(x) ___swab16((x))
+#define __constant_ntohs(x) ___swab16((x))
+#define __cpu_to_le64(x) I DON'T KNOW
+#define __le64_to_cpu(x) I DON'T KNOW
+#define __cpu_to_le32(x) ___swahw32((x))
+#define __le32_to_cpu(x) ___swahw32((x))
+#define __cpu_to_le16(x) ((__u16)(x)
+#define __le16_to_cpu(x) ((__u16)(x)
+#define __cpu_to_be64(x) I DON'T KNOW
+#define __be64_to_cpu(x) I DON'T KNOW
+#define __cpu_to_be32(x) __swahb32((x))
+#define __be32_to_cpu(x) __swahb32((x))
+#define __cpu_to_be16(x) __swab16((x))
+#define __be16_to_cpu(x) __swab16((x))
+#define __cpu_to_le64p(x) I DON'T KNOW
+#define __le64_to_cpup(x) I DON'T KNOW
+#define __cpu_to_le32p(x) ___swahw32p((x))
+#define __le32_to_cpup(x) ___swahw32p((x))
+#define __cpu_to_le16p(x) (*(__u16*)(x))
+#define __le16_to_cpup(x) (*(__u16*)(x))
+#define __cpu_to_be64p(x) I DON'T KNOW
+#define __be64_to_cpup(x) I DON'T KNOW
+#define __cpu_to_be32p(x) __swahb32p((x))
+#define __be32_to_cpup(x) __swahb32p((x))
+#define __cpu_to_be16p(x) __swab16p((x))
+#define __be16_to_cpup(x) __swab16p((x))
+#define __cpu_to_le64s(x) I DON'T KNOW
+#define __le64_to_cpus(x) I DON'T KNOW
+#define __cpu_to_le32s(x) ___swahw32s((x))
+#define __le32_to_cpus(x) ___swahw32s((x))
+#define __cpu_to_le16s(x) do {} while (0)
+#define __le16_to_cpus(x) do {} while (0)
+#define __cpu_to_be64s(x) I DON'T KNOW
+#define __be64_to_cpus(x) I DON'T KNOW
+#define __cpu_to_be32s(x) __swahb32s((x))
+#define __be32_to_cpus(x) __swahb32s((x))
+#define __cpu_to_be16s(x) __swab16s((x))
+#define __be16_to_cpus(x) __swab16s((x))
+
+#include <linux/byteorder_generic.h>
+
+#endif /* _LINUX_BYTEORDER_VAX_ENDIAN_H */