1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_ISA_DEFS_H
#define _SPL_ISA_DEFS_H
/* x86_64 arch specific defines */
#if defined(__x86_64) || defined(__x86_64__)
#if !defined(__x86_64)
#define __x86_64
#endif
#if !defined(__amd64)
#define __amd64
#endif
#if !defined(__x86)
#define __x86
#endif
#if defined(_ILP32)
/* x32-specific defines; careful to *not* define _LP64 here */
#else
#if !defined(_LP64)
#define _LP64
#endif
#endif
#define _ALIGNMENT_REQUIRED 1
/* i386 arch specific defines */
#elif defined(__i386) || defined(__i386__)
#if !defined(__i386)
#define __i386
#endif
#if !defined(__x86)
#define __x86
#endif
#if !defined(_ILP32)
#define _ILP32
#endif
#define _ALIGNMENT_REQUIRED 0
/* powerpc (ppc64) arch specific defines */
#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__)
#if !defined(__powerpc)
#define __powerpc
#endif
#if !defined(__powerpc__)
#define __powerpc__
#endif
#if defined(__powerpc64__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
/*
* Illumos doesn't define _ALIGNMENT_REQUIRED for PPC, so default to 1
* out of paranoia.
*/
#define _ALIGNMENT_REQUIRED 1
/* arm arch specific defines */
#elif defined(__arm) || defined(__arm__) || defined(__aarch64__)
#if !defined(__arm)
#define __arm
#endif
#if !defined(__arm__)
#define __arm__
#endif
#if defined(__aarch64__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
#if defined(__ARMEL__) || defined(__AARCH64EL__)
#define _ZFS_LITTLE_ENDIAN
#else
#define _ZFS_BIG_ENDIAN
#endif
/*
* Illumos doesn't define _ALIGNMENT_REQUIRED for ARM, so default to 1
* out of paranoia.
*/
#define _ALIGNMENT_REQUIRED 1
/* sparc arch specific defines */
#elif defined(__sparc) || defined(__sparc__)
#if !defined(__sparc)
#define __sparc
#endif
#if !defined(__sparc__)
#define __sparc__
#endif
#if defined(__arch64__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
#define _ZFS_BIG_ENDIAN
#define _SUNOS_VTOC_16
#define _ALIGNMENT_REQUIRED 1
/* s390 arch specific defines */
#elif defined(__s390__)
#if defined(__s390x__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
#define _ZFS_BIG_ENDIAN
/*
* Illumos doesn't define _ALIGNMENT_REQUIRED for s390, so default to 1
* out of paranoia.
*/
#define _ALIGNMENT_REQUIRED 1
/* MIPS arch specific defines */
#elif defined(__mips__)
#if defined(__MIPSEB__)
#define _ZFS_BIG_ENDIAN
#elif defined(__MIPSEL__)
#define _ZFS_LITTLE_ENDIAN
#else
#error MIPS no endian specified
#endif
#ifndef _LP64
#define _ILP32
#endif
#define _SUNOS_VTOC_16
/*
* Illumos doesn't define _ALIGNMENT_REQUIRED for MIPS, so default to 1
* out of paranoia.
*/
#define _ALIGNMENT_REQUIRED 1
/*
* RISC-V arch specific defines
* only RV64G (including atomic) LP64 is supported yet
*/
#elif defined(__riscv) && defined(_LP64) && _LP64 && \
defined(__riscv_atomic) && __riscv_atomic
#ifndef __riscv__
#define __riscv__
#endif
#ifndef __rv64g__
#define __rv64g__
#endif
#define _ZFS_LITTLE_ENDIAN
#define _SUNOS_VTOC_16
#define _ALIGNMENT_REQUIRED 1
#else
/*
* Currently supported:
* x86_64, x32, i386, arm, powerpc, s390, sparc, mips, and RV64G
*/
#error "Unsupported ISA type"
#endif
#if defined(_ILP32) && defined(_LP64)
#error "Both _ILP32 and _LP64 are defined"
#endif
#if !defined(_ILP32) && !defined(_LP64)
#error "Neither _ILP32 or _LP64 are defined"
#endif
#include <sys/byteorder.h>
/*
* CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS will be defined by the Linux
* kernel for architectures which support efficient unaligned access.
*/
#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
#define HAVE_EFFICIENT_UNALIGNED_ACCESS
#endif
#if defined(_ZFS_LITTLE_ENDIAN) && defined(_ZFS_BIG_ENDIAN)
#error "Both _ZFS_LITTLE_ENDIAN and _ZFS_BIG_ENDIAN are defined"
#endif
#if !defined(_ZFS_LITTLE_ENDIAN) && !defined(_ZFS_BIG_ENDIAN)
#error "Neither _ZFS_LITTLE_ENDIAN or _ZFS_BIG_ENDIAN are defined"
#endif
#endif /* _SPL_ISA_DEFS_H */
|
