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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. | |
3d6af2dd | 9 | * For details, see <http://zfsonlinux.org/>. |
716154c5 BB |
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 | ||
4a4295b2 | 25 | #ifndef _SPL_ISA_DEFS_H |
26 | #define _SPL_ISA_DEFS_H | |
dbb484ec | 27 | |
6a585c61 | 28 | /* x86_64 arch specific defines */ |
29 | #if defined(__x86_64) || defined(__x86_64__) | |
30 | ||
31 | #if !defined(__x86_64) | |
34ee731f | 32 | #define __x86_64 |
6a585c61 | 33 | #endif |
34 | ||
35 | #if !defined(__amd64) | |
34ee731f | 36 | #define __amd64 |
6a585c61 | 37 | #endif |
38 | ||
39 | #if !defined(__x86) | |
34ee731f | 40 | #define __x86 |
6a585c61 | 41 | #endif |
42 | ||
43 | #if !defined(_LP64) | |
34ee731f | 44 | #define _LP64 |
6a585c61 | 45 | #endif |
46 | ||
34ee731f | 47 | #define _ALIGNMENT_REQUIRED 1 |
ec06701b AX |
48 | |
49 | ||
6a585c61 | 50 | /* i386 arch specific defines */ |
51 | #elif defined(__i386) || defined(__i386__) | |
52 | ||
53 | #if !defined(__i386) | |
34ee731f | 54 | #define __i386 |
6a585c61 | 55 | #endif |
56 | ||
57 | #if !defined(__x86) | |
34ee731f | 58 | #define __x86 |
6a585c61 | 59 | #endif |
60 | ||
61 | #if !defined(_ILP32) | |
34ee731f | 62 | #define _ILP32 |
6a585c61 | 63 | #endif |
64 | ||
34ee731f | 65 | #define _ALIGNMENT_REQUIRED 0 |
ec06701b | 66 | |
37319315 | 67 | /* powerpc (ppc64) arch specific defines */ |
879bbbc7 | 68 | #elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) |
37319315 BB |
69 | |
70 | #if !defined(__powerpc) | |
34ee731f | 71 | #define __powerpc |
37319315 BB |
72 | #endif |
73 | ||
74 | #if !defined(__powerpc__) | |
34ee731f | 75 | #define __powerpc__ |
37319315 BB |
76 | #endif |
77 | ||
879bbbc7 | 78 | #if defined(__powerpc64__) |
37319315 | 79 | #if !defined(_LP64) |
34ee731f | 80 | #define _LP64 |
37319315 | 81 | #endif |
879bbbc7 AX |
82 | #else |
83 | #if !defined(_ILP32) | |
34ee731f | 84 | #define _ILP32 |
879bbbc7 AX |
85 | #endif |
86 | #endif | |
37319315 | 87 | |
ec06701b AX |
88 | /* |
89 | * Illumos doesn't define _ALIGNMENT_REQUIRED for PPC, so default to 1 | |
90 | * out of paranoia. | |
91 | */ | |
34ee731f | 92 | #define _ALIGNMENT_REQUIRED 1 |
ec06701b | 93 | |
cb75844e | 94 | /* arm arch specific defines */ |
9e4fb5c2 | 95 | #elif defined(__arm) || defined(__arm__) || defined(__aarch64__) |
cb75844e JL |
96 | |
97 | #if !defined(__arm) | |
34ee731f | 98 | #define __arm |
cb75844e JL |
99 | #endif |
100 | ||
101 | #if !defined(__arm__) | |
34ee731f | 102 | #define __arm__ |
cb75844e JL |
103 | #endif |
104 | ||
879bbbc7 AX |
105 | #if defined(__aarch64__) |
106 | #if !defined(_LP64) | |
34ee731f | 107 | #define _LP64 |
879bbbc7 AX |
108 | #endif |
109 | #else | |
110 | #if !defined(_ILP32) | |
34ee731f | 111 | #define _ILP32 |
879bbbc7 AX |
112 | #endif |
113 | #endif | |
114 | ||
9e4fb5c2 | 115 | #if defined(__ARMEL__) || defined(__AARCH64EL__) |
34ee731f | 116 | #define _LITTLE_ENDIAN |
cb75844e | 117 | #else |
34ee731f | 118 | #define _BIG_ENDIAN |
cb75844e JL |
119 | #endif |
120 | ||
ec06701b AX |
121 | /* |
122 | * Illumos doesn't define _ALIGNMENT_REQUIRED for ARM, so default to 1 | |
123 | * out of paranoia. | |
124 | */ | |
34ee731f | 125 | #define _ALIGNMENT_REQUIRED 1 |
ec06701b | 126 | |
33a20369 LG |
127 | /* sparc arch specific defines */ |
128 | #elif defined(__sparc) || defined(__sparc__) | |
129 | ||
130 | #if !defined(__sparc) | |
34ee731f | 131 | #define __sparc |
33a20369 LG |
132 | #endif |
133 | ||
134 | #if !defined(__sparc__) | |
34ee731f | 135 | #define __sparc__ |
33a20369 LG |
136 | #endif |
137 | ||
879bbbc7 AX |
138 | #if defined(__arch64__) |
139 | #if !defined(_LP64) | |
34ee731f | 140 | #define _LP64 |
879bbbc7 AX |
141 | #endif |
142 | #else | |
143 | #if !defined(_ILP32) | |
34ee731f | 144 | #define _ILP32 |
33a20369 | 145 | #endif |
33a20369 LG |
146 | #endif |
147 | ||
34ee731f AX |
148 | #define _BIG_ENDIAN |
149 | #define _SUNOS_VTOC_16 | |
150 | #define _ALIGNMENT_REQUIRED 1 | |
33a20369 | 151 | |
0480cc58 AX |
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 | ||
ec06701b AX |
166 | /* |
167 | * Illumos doesn't define _ALIGNMENT_REQUIRED for s390, so default to 1 | |
168 | * out of paranoia. | |
169 | */ | |
34ee731f | 170 | #define _ALIGNMENT_REQUIRED 1 |
ec06701b | 171 | |
0f836a62 AX |
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 | ||
ec06701b AX |
189 | /* |
190 | * Illumos doesn't define _ALIGNMENT_REQUIRED for MIPS, so default to 1 | |
191 | * out of paranoia. | |
192 | */ | |
34ee731f | 193 | #define _ALIGNMENT_REQUIRED 1 |
ec06701b | 194 | |
0f836a62 AX |
195 | #else |
196 | /* | |
197 | * Currently supported: | |
198 | * x86_64, i386, arm, powerpc, s390, sparc, and mips | |
199 | */ | |
6a585c61 | 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 | ||
879bbbc7 AX |
207 | #if !defined(_ILP32) && !defined(_LP64) |
208 | #error "Neither _ILP32 or _LP64 are defined" | |
209 | #endif | |
210 | ||
6a585c61 | 211 | #include <sys/byteorder.h> |
212 | ||
b97c7791 MZ |
213 | /* |
214 | * CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS will be defined by the Linux | |
215 | * kernel for architectures which support efficient unaligned access. | |
216 | */ | |
217 | #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) | |
218 | #define HAVE_EFFICIENT_UNALIGNED_ACCESS | |
219 | #endif | |
220 | ||
6a585c61 | 221 | #if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN) |
34ee731f | 222 | #define _LITTLE_ENDIAN __LITTLE_ENDIAN |
6a585c61 | 223 | #endif |
224 | ||
225 | #if defined(__BIG_ENDIAN) && !defined(_BIG_ENDIAN) | |
34ee731f | 226 | #define _BIG_ENDIAN __BIG_ENDIAN |
6a585c61 | 227 | #endif |
228 | ||
229 | #if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN) | |
b11b08ed BB |
230 | #error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined" |
231 | #endif | |
232 | ||
233 | #if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) | |
234 | #error "Neither _LITTLE_ENDIAN or _BIG_ENDIAN are defined" | |
6a585c61 | 235 | #endif |
236 | ||
4a4295b2 | 237 | #endif /* _SPL_ISA_DEFS_H */ |