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744d62ee | 1 | /* |
8229df20 | 2 | * lscpu-arm.c - ARM CPU identification tables |
744d62ee RV |
3 | * |
4 | * Copyright (C) 2018 Riku Voipio <riku.voipio@iki.fi> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it would be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; if not, write to the Free Software Foundation, Inc., | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 | * | |
20 | * The information here is gathered from | |
21 | * - ARM manuals | |
22 | * - Linux kernel: arch/armX/include/asm/cputype.h | |
23 | * - GCC sources: config/arch/arch-cores.def | |
24 | * - Ancient wisdom | |
25 | */ | |
8229df20 | 26 | #include "lscpu.h" |
744d62ee RV |
27 | |
28 | struct id_part { | |
29 | const int id; | |
30 | const char* name; | |
31 | }; | |
32 | ||
33 | static const struct id_part arm_part[] = { | |
34 | { 0x810, "ARM810" }, | |
35 | { 0x920, "ARM920" }, | |
36 | { 0x922, "ARM922" }, | |
37 | { 0x926, "ARM926" }, | |
38 | { 0x940, "ARM940" }, | |
39 | { 0x946, "ARM946" }, | |
40 | { 0x966, "ARM966" }, | |
41 | { 0xa20, "ARM1020" }, | |
42 | { 0xa22, "ARM1022" }, | |
43 | { 0xa26, "ARM1026" }, | |
44 | { 0xb02, "ARM11 MPCore" }, | |
45 | { 0xb36, "ARM1136" }, | |
46 | { 0xb56, "ARM1156" }, | |
47 | { 0xb76, "ARM1176" }, | |
48 | { 0xc05, "Cortex-A5" }, | |
49 | { 0xc07, "Cortex-A7" }, | |
50 | { 0xc08, "Cortex-A8" }, | |
51 | { 0xc09, "Cortex-A9" }, | |
dfd3bb8b | 52 | { 0xc0d, "Cortex-A17" }, /* Originally A12 */ |
744d62ee RV |
53 | { 0xc0f, "Cortex-A15" }, |
54 | { 0xc0e, "Cortex-A17" }, | |
55 | { 0xc14, "Cortex-R4" }, | |
56 | { 0xc15, "Cortex-R5" }, | |
57 | { 0xc17, "Cortex-R7" }, | |
58 | { 0xc18, "Cortex-R8" }, | |
59 | { 0xc20, "Cortex-M0" }, | |
60 | { 0xc21, "Cortex-M1" }, | |
61 | { 0xc23, "Cortex-M3" }, | |
62 | { 0xc24, "Cortex-M4" }, | |
e6601a70 | 63 | { 0xc27, "Cortex-M7" }, |
744d62ee RV |
64 | { 0xc60, "Cortex-M0+" }, |
65 | { 0xd01, "Cortex-A32" }, | |
66 | { 0xd03, "Cortex-A53" }, | |
67 | { 0xd04, "Cortex-A35" }, | |
68 | { 0xd05, "Cortex-A55" }, | |
69 | { 0xd07, "Cortex-A57" }, | |
70 | { 0xd08, "Cortex-A72" }, | |
71 | { 0xd09, "Cortex-A73" }, | |
72 | { 0xd0a, "Cortex-A75" }, | |
8d124f0f JL |
73 | { 0xd0b, "Cortex-A76" }, |
74 | { 0xd0c, "Neoverse-N1" }, | |
744d62ee RV |
75 | { 0xd13, "Cortex-R52" }, |
76 | { 0xd20, "Cortex-M23" }, | |
77 | { 0xd21, "Cortex-M33" }, | |
8d124f0f | 78 | { 0xd4a, "Neoverse-E1" }, |
744d62ee RV |
79 | { -1, "unknown" }, |
80 | }; | |
81 | ||
82 | static const struct id_part brcm_part[] = { | |
dd9b4cb3 RV |
83 | { 0x0f, "Brahma B15" }, |
84 | { 0x100, "Brahma B53" }, | |
744d62ee RV |
85 | { 0x516, "ThunderX2" }, |
86 | { -1, "unknown" }, | |
87 | }; | |
88 | ||
89 | static const struct id_part dec_part[] = { | |
90 | { 0xa10, "SA110" }, | |
91 | { 0xa11, "SA1100" }, | |
92 | { -1, "unknown" }, | |
93 | }; | |
94 | ||
95 | static const struct id_part cavium_part[] = { | |
96 | { 0x0a0, "ThunderX" }, | |
97 | { 0x0a1, "ThunderX 88XX" }, | |
98 | { 0x0a2, "ThunderX 81XX" }, | |
99 | { 0x0a3, "ThunderX 83XX" }, | |
100 | { 0x0af, "ThunderX2 99xx" }, | |
101 | { -1, "unknown" }, | |
102 | }; | |
103 | ||
104 | static const struct id_part apm_part[] = { | |
105 | { 0x000, "X-Gene" }, | |
106 | { -1, "unknown" }, | |
107 | }; | |
108 | ||
109 | static const struct id_part qcom_part[] = { | |
110 | { 0x00f, "Scorpion" }, | |
111 | { 0x02d, "Scorpion" }, | |
112 | { 0x04d, "Krait" }, | |
113 | { 0x06f, "Krait" }, | |
114 | { 0x201, "Kryo" }, | |
115 | { 0x205, "Kryo" }, | |
116 | { 0x211, "Kryo" }, | |
117 | { 0x800, "Falkor V1/Kryo" }, | |
118 | { 0x801, "Kryo V2" }, | |
119 | { 0xc00, "Falkor" }, | |
120 | { 0xc01, "Saphira" }, | |
121 | { -1, "unknown" }, | |
122 | }; | |
123 | ||
124 | static const struct id_part samsung_part[] = { | |
125 | { 0x001, "exynos-m1" }, | |
126 | { -1, "unknown" }, | |
744d62ee RV |
127 | }; |
128 | ||
129 | static const struct id_part nvidia_part[] = { | |
130 | { 0x000, "Denver" }, | |
131 | { 0x003, "Denver 2" }, | |
132 | { -1, "unknown" }, | |
133 | }; | |
134 | ||
135 | static const struct id_part marvell_part[] = { | |
136 | { 0x131, "Feroceon 88FR131" }, | |
137 | { 0x581, "PJ4/PJ4b" }, | |
138 | { 0x584, "PJ4B-MP" }, | |
139 | { -1, "unknown" }, | |
dd9b4cb3 | 140 | }; |
744d62ee | 141 | |
dd9b4cb3 RV |
142 | static const struct id_part faraday_part[] = { |
143 | { 0x526, "FA526" }, | |
144 | { 0x626, "FA626" }, | |
145 | { -1, "unknown" }, | |
744d62ee RV |
146 | }; |
147 | ||
148 | static const struct id_part intel_part[] = { | |
149 | { 0x200, "i80200" }, | |
150 | { 0x210, "PXA250A" }, | |
151 | { 0x212, "PXA210A" }, | |
152 | { 0x242, "i80321-400" }, | |
153 | { 0x243, "i80321-600" }, | |
154 | { 0x290, "PXA250B/PXA26x" }, | |
155 | { 0x292, "PXA210B" }, | |
156 | { 0x2c2, "i80321-400-B0" }, | |
157 | { 0x2c3, "i80321-600-B0" }, | |
158 | { 0x2d0, "PXA250C/PXA255/PXA26x" }, | |
159 | { 0x2d2, "PXA210C" }, | |
160 | { 0x411, "PXA27x" }, | |
161 | { 0x41c, "IPX425-533" }, | |
162 | { 0x41d, "IPX425-400" }, | |
163 | { 0x41f, "IPX425-266" }, | |
164 | { 0x682, "PXA32x" }, | |
165 | { 0x683, "PXA930/PXA935" }, | |
166 | { 0x688, "PXA30x" }, | |
167 | { 0x689, "PXA31x" }, | |
168 | { 0xb11, "SA1110" }, | |
169 | { 0xc12, "IPX1200" }, | |
170 | { -1, "unknown" }, | |
171 | }; | |
172 | ||
173 | static const struct id_part unknown_part[] = { | |
174 | { -1, "unknown" }, | |
175 | }; | |
176 | ||
177 | struct hw_impl { | |
178 | const int id; | |
179 | const struct id_part *parts; | |
180 | const char *name; | |
181 | }; | |
182 | ||
183 | static const struct hw_impl hw_implementer[] = { | |
184 | { 0x41, arm_part, "ARM" }, | |
185 | { 0x42, brcm_part, "Broadcom" }, | |
186 | { 0x43, cavium_part, "Cavium" }, | |
187 | { 0x44, dec_part, "DEC" }, | |
188 | { 0x4e, nvidia_part, "Nvidia" }, | |
189 | { 0x50, apm_part, "APM" }, | |
190 | { 0x51, qcom_part, "Qualcomm" }, | |
191 | { 0x53, samsung_part, "Samsung" }, | |
192 | { 0x56, marvell_part, "Marvell" }, | |
dd9b4cb3 | 193 | { 0x66, faraday_part, "Faraday" }, |
744d62ee RV |
194 | { 0x69, intel_part, "Intel" }, |
195 | { -1, unknown_part, "unknown" }, | |
196 | }; | |
197 | ||
8229df20 KZ |
198 | void arm_cpu_decode(struct lscpu_desc *desc) |
199 | { | |
200 | int j, impl, part; | |
201 | const struct id_part *parts = NULL; | |
af808dfa KZ |
202 | char *end; |
203 | ||
8229df20 KZ |
204 | if (desc->vendor == NULL || desc->model == NULL) |
205 | return; | |
af808dfa | 206 | if ((strncmp(desc->vendor,"0x",2) || strncmp(desc->model,"0x",2) )) |
8229df20 KZ |
207 | return; |
208 | ||
af808dfa KZ |
209 | errno = 0; |
210 | impl = (int) strtol(desc->vendor, &end, 0); | |
211 | if (errno || desc->vendor == end) | |
212 | return; | |
213 | ||
214 | errno = 0; | |
215 | part = (int) strtol(desc->model, &end, 0); | |
216 | if (errno || desc->model == end) | |
217 | return; | |
8229df20 KZ |
218 | |
219 | for (j = 0; hw_implementer[j].id != -1; j++) { | |
af808dfa KZ |
220 | if (hw_implementer[j].id == impl) { |
221 | parts = hw_implementer[j].parts; | |
222 | desc->vendor = (char *) hw_implementer[j].name; | |
223 | break; | |
8229df20 KZ |
224 | } |
225 | } | |
af808dfa KZ |
226 | |
227 | if (parts == NULL) | |
8229df20 KZ |
228 | return; |
229 | ||
230 | for (j = 0; parts[j].id != -1; j++) { | |
af808dfa KZ |
231 | if (parts[j].id == part) { |
232 | desc->modelname = (char *) parts[j].name; | |
233 | break; | |
8229df20 KZ |
234 | } |
235 | } | |
236 | ||
237 | /* Print out the rXpY string for ARM cores */ | |
af808dfa KZ |
238 | if (impl == 0x41 && desc->revision && desc->stepping) { |
239 | int revision, variant; | |
240 | char buf[8]; | |
241 | ||
242 | errno = 0; | |
243 | revision = (int) strtol(desc->revision, &end, 10); | |
244 | if (errno || desc->revision == end) | |
245 | return; | |
246 | ||
247 | errno = 0; | |
248 | variant = (int) strtol(desc->stepping, &end, 0); | |
249 | if (errno || desc->stepping == end) | |
250 | return; | |
251 | ||
252 | snprintf(buf, sizeof(buf), "r%dp%d", variant, revision); | |
253 | desc->stepping = xstrdup(buf); | |
8229df20 KZ |
254 | } |
255 | } |