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149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#ifndef _SPL_ISA_DEFS_H
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#define _SPL_ISA_DEFS_H
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/* x86_64 arch specific defines */
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#if defined(__x86_64) || defined(__x86_64__)
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#if !defined(__x86_64)
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#define __x86_64
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#endif
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#if !defined(__amd64)
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#define __amd64
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#endif
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#if !defined(__x86)
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#define __x86
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#endif
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#if !defined(_LP64)
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#define _LP64
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#endif
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/* i386 arch specific defines */
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#elif defined(__i386) || defined(__i386__)
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#if !defined(__i386)
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#define __i386
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#endif
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#if !defined(__x86)
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#define __x86
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#endif
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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/* powerpc (ppc64) arch specific defines */
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#elif defined(__powerpc) || defined(__powerpc__)
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#if !defined(__powerpc)
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#define __powerpc
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#endif
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#if !defined(__powerpc__)
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#define __powerpc__
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#endif
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#if !defined(_LP64)
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#define _LP64
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#endif
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/* arm arch specific defines */
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#elif defined(__arm) || defined(__arm__) || defined(__aarch64__)
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#if !defined(__arm)
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#define __arm
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#endif
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#if !defined(__arm__)
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#define __arm__
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#endif
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#if defined(__ARMEL__) || defined(__AARCH64EL__)
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#define _LITTLE_ENDIAN
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#else
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#define _BIG_ENDIAN
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#endif
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/* sparc arch specific defines */
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#elif defined(__sparc) || defined(__sparc__)
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#if !defined(__sparc)
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#define __sparc
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#endif
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#if !defined(__sparc__)
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#define __sparc__
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#endif
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#define _BIG_ENDIAN
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#define _SUNOS_VTOC_16
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/* sparc64 arch specific defines */
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#elif defined(__sparc64) || defined(__sparc64__)
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#if !defined(__sparc64)
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#define __sparc64
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#endif
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#if !defined(__sparc64__)
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#define __sparc64__
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#endif
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#define _BIG_ENDIAN
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#define _SUNOS_VTOC_16
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#else /* Currently x86_64, i386, arm, powerpc, and sparc are supported */
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#error "Unsupported ISA type"
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#endif
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#if defined(_ILP32) && defined(_LP64)
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#error "Both _ILP32 and _LP64 are defined"
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#endif
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#include <sys/byteorder.h>
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#if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN)
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#define _LITTLE_ENDIAN __LITTLE_ENDIAN
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#endif
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#if defined(__BIG_ENDIAN) && !defined(_BIG_ENDIAN)
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#define _BIG_ENDIAN __BIG_ENDIAN
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#endif
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#if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN)
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#error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined"
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#endif
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#if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
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#error "Neither _LITTLE_ENDIAN or _BIG_ENDIAN are defined"
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#endif
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#endif /* _SPL_ISA_DEFS_H */
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