Xarch.h revision 7a0d67332f33bc21290d63bc7c8150b0cf0a4b21
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifndef _XARCH_H_
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define _XARCH_H_
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync/*
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * Copyright 1997 Metro Link Incorporated
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync *
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * All Rights Reserved
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync *
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * Permission to use, copy, modify, distribute, and sell this software and its
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * documentation for any purpose is hereby granted without fee, provided that
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * the above copyright notice appear in all copies and that both that
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * copyright notice and this permission notice appear in supporting
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * documentation, and that the names of the above listed copyright holder(s)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * not be used in advertising or publicity pertaining to distribution of
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * the software without specific, written prior permission. The above listed
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * copyright holder(s) make(s) no representations about the suitability of
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * this software for any purpose. It is provided "as is" without express or
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * implied warranty.
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync *
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync/* $XFree86: xc/include/Xarch.h,v 1.10tsi Exp $ */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync/*
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync * Determine the machine's byte order.
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync/* See if it is set in the imake config first */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifdef X_BYTE_ORDER
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define X_BIG_ENDIAN 4321
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define X_LITTLE_ENDIAN 1234
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#else
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifdef SVR4
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined(NCR) || defined(Mips) || defined(__sgi)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <sys/endian.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#else
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if !defined(sun)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <sys/byteorder.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#elif defined(CSRG_BASED)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined(__NetBSD__) || defined(__OpenBSD__)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <sys/types.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <machine/endian.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#elif defined(linux)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined __STRICT_ANSI__
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#undef __STRICT_ANSI__
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <endian.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define __STRICT_ANSI__
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#else
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <endian.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync/* 'endian.h' might have been included before 'Xarch.h' */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if !defined(LITTLE_ENDIAN) && defined(__LITTLE_ENDIAN)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define LITTLE_ENDIAN __LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if !defined(BIG_ENDIAN) && defined(__BIG_ENDIAN)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BIG_ENDIAN __BIG_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if !defined(PDP_ENDIAN) && defined(__PDP_ENDIAN)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define PDP_ENDIAN __PDP_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if !defined(BYTE_ORDER) && defined(__BYTE_ORDER)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER __BYTE_ORDER
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#elif defined(Lynx)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if 0
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync/* LynxOS 2.4.0 has wrong defines in bsd/ip.h */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <bsd/in.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <bsd/in_systm.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <bsd/ip.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifndef BYTE_ORDER
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define LITTLE_ENDIAN 1234
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BIG_ENDIAN 4321
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined(__QNX__) && !defined(__QNXNTO__)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined(__QNXNTO__)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined(i386) || defined(__i386__) || defined(__x86__)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#else
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER BIG_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifdef Lynx
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if defined(i386) || defined(__i386__) || defined(__x86__)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#else
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER BIG_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#if (defined(sun) && defined(SVR4)) && !defined(Lynx)
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#include <sys/isa_defs.h>
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifdef _LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#ifdef _BIG_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define BYTE_ORDER BIG_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif /* sun */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif /* BYTE_ORDER */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define X_BYTE_ORDER BYTE_ORDER
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define X_BIG_ENDIAN BIG_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#define X_LITTLE_ENDIAN LITTLE_ENDIAN
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif /* not in imake config */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync#endif /* _XARCH_H_ */
9c9df2b728333cb734a7cc7856568e9ea9dc4600vboxsync