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4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #ifndef _SYS_ISA_DEFS_H
28 #define _SYS_ISA_DEFS_H
34 /* x86_64 arch specific defines */
35 #if defined(__x86_64) || defined(__x86_64__)
37 #if !defined(__x86_64)
53 #if !defined(_LITTLE_ENDIAN)
54 #define _LITTLE_ENDIAN
57 #define _SUNOS_VTOC_16
59 /* i386 arch specific defines */
60 #elif defined(__i386) || defined(__i386__)
74 #if !defined(_LITTLE_ENDIAN)
75 #define _LITTLE_ENDIAN
78 #define _SUNOS_VTOC_16
80 /* powerpc arch specific defines */
81 #elif defined(__powerpc) || defined(__powerpc__)
83 #if !defined(__powerpc)
87 #if !defined(__powerpc__)
99 #if !defined(_BIG_ENDIAN)
103 #define _SUNOS_VTOC_16
105 /* arm arch specific defines */
106 #elif defined(__arm) || defined(__arm__)
112 #if !defined(__arm__)
116 #if defined(__ARMEL__)
117 #define _LITTLE_ENDIAN
122 #define _SUNOS_VTOC_16
124 #else /* Currently only x86_64, i386, arm, and powerpc arches supported */
125 #error "Unsupported ISA type"
128 #if defined(_ILP32) && defined(_LP64)
129 #error "Both _ILP32 and _LP64 are defined"
132 #if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN)
133 #error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined"
136 #if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
137 #error "Neither _LITTLE_ENDIAN nor _BIG_ENDIAN are defined"
144 #endif /* _SYS_ISA_DEFS_H */