1#ifndef _LINUX_BYTEORDER_PDP_ENDIAN_H 2#define _LINUX_BYTEORDER_PDP_ENDIAN_H 3 4/* 5 * Could have been named NUXI-endian, but we use the same name as in glibc. 6 * hopefully only the PDP and its evolutions (old VAXen in compatibility mode) 7 * should ever use this braindead byteorder. 8 * This file *should* work, but has not been tested. 9 * 10 * little-endian is 1234; big-endian is 4321; nuxi/pdp-endian is 3412 11 * 12 * I thought vaxen were NUXI-endian, but was told they were correct-endian 13 * (little-endian), though indeed there existed NUXI-endian machines 14 * (DEC PDP-11 and old VAXen in compatibility mode). 15 * This makes this file a bit useless, but as a proof-of-concept. 16 * 17 * But what does a __u64 look like: is it 34127856 or 78563412 ??? 18 * I don't dare imagine! Hence, no 64-bit byteorder support yet. 19 * Hopefully, there 64-bit pdp-endian support shouldn't ever be required. 20 * 21 */ 22 23#ifndef __PDP_ENDIAN 24#define __PDP_ENDIAN 3412 25#endif 26#ifndef __PDP_ENDIAN_BITFIELD 27#define __PDP_ENDIAN_BITFIELD 28#endif 29 30#include <linux/byteorder/swab.h> 31#include <linux/byteorder/swabb.h> 32 33#define __constant_htonl(x) ___constant_swahb32((x)) 34#define __constant_ntohl(x) ___constant_swahb32((x)) 35#define __constant_htons(x) ___constant_swab16((x)) 36#define __constant_ntohs(x) ___constant_swab16((x)) 37#define __constant_cpu_to_le64(x) I DON'T KNOW 38#define __constant_le64_to_cpu(x) I DON'T KNOW 39#define __constant_cpu_to_le32(x) ___constant_swahw32((x)) 40#define __constant_le32_to_cpu(x) ___constant_swahw32((x)) 41#define __constant_cpu_to_le16(x) ((__u16)(x) 42#define __constant_le16_to_cpu(x) ((__u16)(x) 43#define __constant_cpu_to_be64(x) I DON'T KNOW 44#define __constant_be64_to_cpu(x) I DON'T KNOW 45#define __constant_cpu_to_be32(x) ___constant_swahb32((x)) 46#define __constant_be32_to_cpu(x) ___constant_swahb32((x)) 47#define __constant_cpu_to_be16(x) ___constant_swab16((x)) 48#define __constant_be16_to_cpu(x) ___constant_swab16((x)) 49#define __cpu_to_le64(x) I DON'T KNOW 50#define __le64_to_cpu(x) I DON'T KNOW 51#define __cpu_to_le32(x) ___swahw32((x)) 52#define __le32_to_cpu(x) ___swahw32((x)) 53#define __cpu_to_le16(x) ((__u16)(x) 54#define __le16_to_cpu(x) ((__u16)(x) 55#define __cpu_to_be64(x) I DON'T KNOW 56#define __be64_to_cpu(x) I DON'T KNOW 57#define __cpu_to_be32(x) __swahb32((x)) 58#define __be32_to_cpu(x) __swahb32((x)) 59#define __cpu_to_be16(x) __swab16((x)) 60#define __be16_to_cpu(x) __swab16((x)) 61#define __cpu_to_le64p(x) I DON'T KNOW 62#define __le64_to_cpup(x) I DON'T KNOW 63#define __cpu_to_le32p(x) ___swahw32p((x)) 64#define __le32_to_cpup(x) ___swahw32p((x)) 65#define __cpu_to_le16p(x) (*(__u16*)(x)) 66#define __le16_to_cpup(x) (*(__u16*)(x)) 67#define __cpu_to_be64p(x) I DON'T KNOW 68#define __be64_to_cpup(x) I DON'T KNOW 69#define __cpu_to_be32p(x) __swahb32p((x)) 70#define __be32_to_cpup(x) __swahb32p((x)) 71#define __cpu_to_be16p(x) __swab16p((x)) 72#define __be16_to_cpup(x) __swab16p((x)) 73#define __cpu_to_le64s(x) I DON'T KNOW 74#define __le64_to_cpus(x) I DON'T KNOW 75#define __cpu_to_le32s(x) ___swahw32s((x)) 76#define __le32_to_cpus(x) ___swahw32s((x)) 77#define __cpu_to_le16s(x) do {} while (0) 78#define __le16_to_cpus(x) do {} while (0) 79#define __cpu_to_be64s(x) I DON'T KNOW 80#define __be64_to_cpus(x) I DON'T KNOW 81#define __cpu_to_be32s(x) __swahb32s((x)) 82#define __be32_to_cpus(x) __swahb32s((x)) 83#define __cpu_to_be16s(x) __swab16s((x)) 84#define __be16_to_cpus(x) __swab16s((x)) 85 86#include <linux/byteorder/generic.h> 87 88#endif /* _LINUX_BYTEORDER_PDP_ENDIAN_H */ 89