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1 | /*****************************************************************************\ |
2 | * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. | |
3 | * Copyright (C) 2007 The Regents of the University of California. | |
4 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
5 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
6 | * UCRL-CODE-235197 | |
7 | * | |
8 | * This file is part of the SPL, Solaris Porting Layer. | |
9 | * For details, see <http://zfsonlinux.org/>. | |
10 | * | |
11 | * The SPL is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2 of the License, or (at your | |
14 | * option) any later version. | |
15 | * | |
16 | * The SPL is distributed in the hope that it will be useful, but WITHOUT | |
17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
19 | * for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License along | |
22 | * with the SPL. If not, see <http://www.gnu.org/licenses/>. | |
23 | \*****************************************************************************/ | |
24 | ||
25 | #ifndef _SPL_ISA_DEFS_H | |
26 | #define _SPL_ISA_DEFS_H | |
27 | ||
28 | /* x86_64 arch specific defines */ | |
29 | #if defined(__x86_64) || defined(__x86_64__) | |
30 | ||
31 | #if !defined(__x86_64) | |
32 | #define __x86_64 | |
33 | #endif | |
34 | ||
35 | #if !defined(__amd64) | |
36 | #define __amd64 | |
37 | #endif | |
38 | ||
39 | #if !defined(__x86) | |
40 | #define __x86 | |
41 | #endif | |
42 | ||
43 | #if !defined(_LP64) | |
44 | #define _LP64 | |
45 | #endif | |
46 | ||
86e3c28a CIK |
47 | #define _ALIGNMENT_REQUIRED 1 |
48 | ||
49 | ||
70e083d2 TG |
50 | /* i386 arch specific defines */ |
51 | #elif defined(__i386) || defined(__i386__) | |
52 | ||
53 | #if !defined(__i386) | |
54 | #define __i386 | |
55 | #endif | |
56 | ||
57 | #if !defined(__x86) | |
58 | #define __x86 | |
59 | #endif | |
60 | ||
61 | #if !defined(_ILP32) | |
62 | #define _ILP32 | |
63 | #endif | |
64 | ||
86e3c28a CIK |
65 | #define _ALIGNMENT_REQUIRED 0 |
66 | ||
70e083d2 TG |
67 | /* powerpc (ppc64) arch specific defines */ |
68 | #elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) | |
69 | ||
70 | #if !defined(__powerpc) | |
71 | #define __powerpc | |
72 | #endif | |
73 | ||
74 | #if !defined(__powerpc__) | |
75 | #define __powerpc__ | |
76 | #endif | |
77 | ||
78 | #if defined(__powerpc64__) | |
79 | #if !defined(_LP64) | |
80 | #define _LP64 | |
81 | #endif | |
82 | #else | |
83 | #if !defined(_ILP32) | |
84 | #define _ILP32 | |
85 | #endif | |
86 | #endif | |
87 | ||
86e3c28a CIK |
88 | /* |
89 | * Illumos doesn't define _ALIGNMENT_REQUIRED for PPC, so default to 1 | |
90 | * out of paranoia. | |
91 | */ | |
92 | #define _ALIGNMENT_REQUIRED 1 | |
93 | ||
70e083d2 TG |
94 | /* arm arch specific defines */ |
95 | #elif defined(__arm) || defined(__arm__) || defined(__aarch64__) | |
96 | ||
97 | #if !defined(__arm) | |
98 | #define __arm | |
99 | #endif | |
100 | ||
101 | #if !defined(__arm__) | |
102 | #define __arm__ | |
103 | #endif | |
104 | ||
105 | #if defined(__aarch64__) | |
106 | #if !defined(_LP64) | |
107 | #define _LP64 | |
108 | #endif | |
109 | #else | |
110 | #if !defined(_ILP32) | |
111 | #define _ILP32 | |
112 | #endif | |
113 | #endif | |
114 | ||
115 | #if defined(__ARMEL__) || defined(__AARCH64EL__) | |
116 | #define _LITTLE_ENDIAN | |
117 | #else | |
118 | #define _BIG_ENDIAN | |
119 | #endif | |
120 | ||
86e3c28a CIK |
121 | /* |
122 | * Illumos doesn't define _ALIGNMENT_REQUIRED for ARM, so default to 1 | |
123 | * out of paranoia. | |
124 | */ | |
125 | #define _ALIGNMENT_REQUIRED 1 | |
126 | ||
70e083d2 TG |
127 | /* sparc arch specific defines */ |
128 | #elif defined(__sparc) || defined(__sparc__) | |
129 | ||
130 | #if !defined(__sparc) | |
131 | #define __sparc | |
132 | #endif | |
133 | ||
134 | #if !defined(__sparc__) | |
135 | #define __sparc__ | |
136 | #endif | |
137 | ||
138 | #if defined(__arch64__) | |
139 | #if !defined(_LP64) | |
140 | #define _LP64 | |
141 | #endif | |
142 | #else | |
143 | #if !defined(_ILP32) | |
144 | #define _ILP32 | |
145 | #endif | |
146 | #endif | |
147 | ||
148 | #define _BIG_ENDIAN | |
149 | #define _SUNOS_VTOC_16 | |
86e3c28a | 150 | #define _ALIGNMENT_REQUIRED 1 |
70e083d2 TG |
151 | |
152 | /* s390 arch specific defines */ | |
153 | #elif defined(__s390__) | |
154 | #if defined(__s390x__) | |
155 | #if !defined(_LP64) | |
156 | #define _LP64 | |
157 | #endif | |
158 | #else | |
159 | #if !defined(_ILP32) | |
160 | #define _ILP32 | |
161 | #endif | |
162 | #endif | |
163 | ||
164 | #define _BIG_ENDIAN | |
165 | ||
86e3c28a CIK |
166 | /* |
167 | * Illumos doesn't define _ALIGNMENT_REQUIRED for s390, so default to 1 | |
168 | * out of paranoia. | |
169 | */ | |
170 | #define _ALIGNMENT_REQUIRED 1 | |
171 | ||
70e083d2 TG |
172 | /* MIPS arch specific defines */ |
173 | #elif defined(__mips__) | |
174 | ||
175 | #if defined(__MIPSEB__) | |
176 | #define _BIG_ENDIAN | |
177 | #elif defined(__MIPSEL__) | |
178 | #define _LITTLE_ENDIAN | |
179 | #else | |
180 | #error MIPS no endian specified | |
181 | #endif | |
182 | ||
183 | #ifndef _LP64 | |
184 | #define _ILP32 | |
185 | #endif | |
186 | ||
187 | #define _SUNOS_VTOC_16 | |
188 | ||
86e3c28a CIK |
189 | /* |
190 | * Illumos doesn't define _ALIGNMENT_REQUIRED for MIPS, so default to 1 | |
191 | * out of paranoia. | |
192 | */ | |
193 | #define _ALIGNMENT_REQUIRED 1 | |
194 | ||
70e083d2 TG |
195 | #else |
196 | /* | |
197 | * Currently supported: | |
198 | * x86_64, i386, arm, powerpc, s390, sparc, and mips | |
199 | */ | |
200 | #error "Unsupported ISA type" | |
201 | #endif | |
202 | ||
203 | #if defined(_ILP32) && defined(_LP64) | |
204 | #error "Both _ILP32 and _LP64 are defined" | |
205 | #endif | |
206 | ||
207 | #if !defined(_ILP32) && !defined(_LP64) | |
208 | #error "Neither _ILP32 or _LP64 are defined" | |
209 | #endif | |
210 | ||
211 | #include <sys/byteorder.h> | |
212 | ||
213 | #if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN) | |
214 | #define _LITTLE_ENDIAN __LITTLE_ENDIAN | |
215 | #endif | |
216 | ||
217 | #if defined(__BIG_ENDIAN) && !defined(_BIG_ENDIAN) | |
218 | #define _BIG_ENDIAN __BIG_ENDIAN | |
219 | #endif | |
220 | ||
221 | #if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN) | |
222 | #error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined" | |
223 | #endif | |
224 | ||
225 | #if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) | |
226 | #error "Neither _LITTLE_ENDIAN or _BIG_ENDIAN are defined" | |
227 | #endif | |
228 | ||
229 | #endif /* _SPL_ISA_DEFS_H */ |