summaryrefslogtreecommitdiff
path: root/src/shared/architecture.h
blob: 26679e28c6bba3b146f2ab9015402ea9dda8ac3c (plain)
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
#pragma once

/***
  This file is part of systemd.

  Copyright 2014 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <endian.h>

#include "macro.h"
#include "util.h"

/* A cleaned up architecture definition. We don't want to get lost in
 * processor features, models, generations or even ABIs. Hence we
 * focus on general family, and distinguish word width and
 * endianness. */

enum {
        ARCHITECTURE_X86 = 0,
        ARCHITECTURE_X86_64,
        ARCHITECTURE_PPC,
        ARCHITECTURE_PPC_LE,
        ARCHITECTURE_PPC64,
        ARCHITECTURE_PPC64_LE,
        ARCHITECTURE_IA64,
        ARCHITECTURE_PARISC,
        ARCHITECTURE_PARISC64,
        ARCHITECTURE_S390,
        ARCHITECTURE_S390X,
        ARCHITECTURE_SPARC,
        ARCHITECTURE_SPARC64,
        ARCHITECTURE_MIPS,
        ARCHITECTURE_MIPS_LE,
        ARCHITECTURE_MIPS64,
        ARCHITECTURE_MIPS64_LE,
        ARCHITECTURE_ALPHA,
        ARCHITECTURE_ARM,
        ARCHITECTURE_ARM_BE,
        ARCHITECTURE_ARM64,
        ARCHITECTURE_ARM64_BE,
        ARCHITECTURE_SH,
        ARCHITECTURE_SH64,
        ARCHITECTURE_M68K,
        ARCHITECTURE_TILEGX,
        ARCHITECTURE_CRIS,
        _ARCHITECTURE_MAX,
        _ARCHITECTURE_INVALID = -1
};

int uname_architecture(void);

/*
 * LIB_ARCH_TUPLE should resolve to the local library path
 * architecture tuple systemd is built for, according to the Debian
 * tuple list:
 *
 * https://wiki.debian.org/Multiarch/Tuples
 *
 * This is used in library search paths that should understand
 * Debian's paths on all distributions.
 */

#if defined(__x86_64__)
#  define native_architecture() ARCHITECTURE_X86_64
#  define LIB_ARCH_TUPLE "x86_64-linux-gnu"
#  define PROC_CPUINFO_MODEL "model name"
#elif defined(__i386__)
#  define native_architecture() ARCHITECTURE_X86
#  define LIB_ARCH_TUPLE "i386-linux-gnu"
#  define PROC_CPUINFO_MODEL "model name"
#elif defined(__powerpc64__)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define native_architecture() ARCHITECTURE_PPC64
#    define LIB_ARCH_TUPLE "ppc64-linux-gnu"
#  else
#    define native_architecture() ARCHITECTURE_PPC64_LE
#    define LIB_ARCH_TUPLE  "powerpc64le-linux-gnu"
#  endif
#  define PROC_CPUINFO_MODEL "cpu"
#elif defined(__powerpc__)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define native_architecture() ARCHITECTURE_PPC
#    define LIB_ARCH_TUPLE "powerpc-linux-gnu"
#  else
#    define native_architecture() ARCHITECTURE_PPC_LE
#    error "Missing LIB_ARCH_TUPLE for PPCLE"
#  endif
#  define PROC_CPUINFO_MODEL "cpu"
#elif defined(__ia64__)
#  define native_architecture() ARCHITECTURE_IA64
#  define LIB_ARCH_TUPLE "ia64-linux-gnu"
#elif defined(__hppa64__)
#  define native_architecture() ARCHITECTURE_PARISC64
#  error "Missing LIB_ARCH_TUPLE for HPPA64"
#  define PROC_CPUINFO_MODEL "cpu"
#elif defined(__hppa__)
#  define native_architecture() ARCHITECTURE_PARISC
#  define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
#  define PROC_CPUINFO_MODEL "cpu"
#elif defined(__s390x__)
#  define native_architecture() ARCHITECTURE_S390X
#  define LIB_ARCH_TUPLE "s390x-linux-gnu"
#elif defined(__s390__)
#  define native_architecture() ARCHITECTURE_S390
#  define LIB_ARCH_TUPLE "s390-linux-gnu"
#elif defined(__sparc64__)
#  define native_architecture() ARCHITECTURE_SPARC64
#  define LIB_ARCH_TUPLE "sparc64-linux-gnu"
#  define PROC_CPUINFO_MODEL "cpu"
#elif defined(__sparc__)
#  define native_architecture() ARCHITECTURE_SPARC
#  define LIB_ARCH_TUPLE "sparc-linux-gnu"
#  define PROC_CPUINFO_MODEL "cpu"
#elif defined(__mips64__)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define native_architecture() ARCHITECTURE_MIPS64
#    error "Missing LIB_ARCH_TUPLE for MIPS64"
#  else
#    define native_architecture() ARCHITECTURE_MIPS64_LE
#    error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
#  endif
#  define PROC_CPUINFO_MODEL "cpu model"
#elif defined(__mips__)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define native_architecture() ARCHITECTURE_MIPS
#    define LIB_ARCH_TUPLE "mips-linux-gnu"
#  else
#    define native_architecture() ARCHITECTURE_MIPS_LE
#    define LIB_ARCH_TUPLE "mipsel-linux-gnu"
#  endif
#  define PROC_CPUINFO_MODEL "cpu model"
#elif defined(__alpha__)
#  define native_architecture() ARCHITECTURE_ALPHA
#  define LIB_ARCH_TUPLE "alpha-linux-gnu"
#elif defined(__aarch64__)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define native_architecture() ARCHITECTURE_ARM64_BE
#    define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
#  else
#    define native_architecture() ARCHITECTURE_ARM64
#    define LIB_ARCH_TUPLE "aarch64-linux-gnu"
#  endif
#elif defined(__arm__)
#  if __BYTE_ORDER == __BIG_ENDIAN
#    define native_architecture() ARCHITECTURE_ARM_BE
#    if defined(__ARM_EABI__)
#      if defined(__ARM_PCS_VFP)
#        define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
#      else
#        define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
#      endif
#    else
#      define LIB_ARCH_TUPLE "armeb-linux-gnu"
#    endif
#  else
#    define native_architecture() ARCHITECTURE_ARM
#    if defined(__ARM_EABI__)
#      if defined(__ARM_PCS_VFP)
#        define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
#      else
#        define LIB_ARCH_TUPLE "arm-linux-gnueabi"
#      endif
#    else
#      define LIB_ARCH_TUPLE "arm-linux-gnu"
#    endif
#  endif
#  define PROC_CPUINFO_MODEL "model name"
#elif defined(__sh64__)
#  define native_architecture() ARCHITECTURE_SH64
#  error "Missing LIB_ARCH_TUPLE for SH64"
#elif defined(__sh__)
#  define native_architecture() ARCHITECTURE_SH
#  define LIB_ARCH_TUPLE "sh4-linux-gnu"
#elif defined(__m68k__)
#  define native_architecture() ARCHITECTURE_M68K
#  define LIB_ARCH_TUPLE "m68k-linux-gnu"
#elif defined(__tilegx__)
#  define native_architecture() ARCHITECTURE_TILEGX
#  error "Missing LIB_ARCH_TUPLE for TILEGX"
#elif defined(__cris__)
#  define native_architecture() ARCHITECTURE_CRIS
#  error "Missing LIB_ARCH_TUPLE for CRIS"
#else
#  error "Please register your architecture here!"
#endif

#ifndef PROC_CPUINFO_MODEL
#warning "PROC_CPUINFO_MODEL not defined for your architecture"
#define PROC_CPUINFO_MODEL "model name"
#endif

const char *architecture_to_string(int a) _const_;
int architecture_from_string(const char *s) _pure_;