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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
367c85c4 25 * - SMBIOS tables (if applicable)
744d62ee 26 */
095be2c2 27#include "lscpu.h"
744d62ee
RV
28
29struct id_part {
30 const int id;
31 const char* name;
32};
33
34static const struct id_part arm_part[] = {
35 { 0x810, "ARM810" },
36 { 0x920, "ARM920" },
37 { 0x922, "ARM922" },
38 { 0x926, "ARM926" },
39 { 0x940, "ARM940" },
40 { 0x946, "ARM946" },
41 { 0x966, "ARM966" },
42 { 0xa20, "ARM1020" },
43 { 0xa22, "ARM1022" },
44 { 0xa26, "ARM1026" },
45 { 0xb02, "ARM11 MPCore" },
46 { 0xb36, "ARM1136" },
47 { 0xb56, "ARM1156" },
48 { 0xb76, "ARM1176" },
49 { 0xc05, "Cortex-A5" },
50 { 0xc07, "Cortex-A7" },
51 { 0xc08, "Cortex-A8" },
52 { 0xc09, "Cortex-A9" },
dfd3bb8b 53 { 0xc0d, "Cortex-A17" }, /* Originally A12 */
744d62ee
RV
54 { 0xc0f, "Cortex-A15" },
55 { 0xc0e, "Cortex-A17" },
56 { 0xc14, "Cortex-R4" },
57 { 0xc15, "Cortex-R5" },
58 { 0xc17, "Cortex-R7" },
59 { 0xc18, "Cortex-R8" },
60 { 0xc20, "Cortex-M0" },
61 { 0xc21, "Cortex-M1" },
62 { 0xc23, "Cortex-M3" },
63 { 0xc24, "Cortex-M4" },
e6601a70 64 { 0xc27, "Cortex-M7" },
744d62ee
RV
65 { 0xc60, "Cortex-M0+" },
66 { 0xd01, "Cortex-A32" },
b22a3bb5 67 { 0xd02, "Cortex-A34" },
744d62ee
RV
68 { 0xd03, "Cortex-A53" },
69 { 0xd04, "Cortex-A35" },
70 { 0xd05, "Cortex-A55" },
dbc27723 71 { 0xd06, "Cortex-A65" },
744d62ee
RV
72 { 0xd07, "Cortex-A57" },
73 { 0xd08, "Cortex-A72" },
74 { 0xd09, "Cortex-A73" },
75 { 0xd0a, "Cortex-A75" },
8d124f0f
JL
76 { 0xd0b, "Cortex-A76" },
77 { 0xd0c, "Neoverse-N1" },
dbc27723
JL
78 { 0xd0d, "Cortex-A77" },
79 { 0xd0e, "Cortex-A76AE" },
744d62ee 80 { 0xd13, "Cortex-R52" },
6857cccb 81 { 0xd15, "Cortex-R82" },
6112ade9 82 { 0xd16, "Cortex-R52+" },
744d62ee
RV
83 { 0xd20, "Cortex-M23" },
84 { 0xd21, "Cortex-M33" },
6112ade9
JL
85 { 0xd22, "Cortex-M55" },
86 { 0xd23, "Cortex-M85" },
5148c84e 87 { 0xd40, "Neoverse-V1" },
dbc27723
JL
88 { 0xd41, "Cortex-A78" },
89 { 0xd42, "Cortex-A78AE" },
b22a3bb5 90 { 0xd43, "Cortex-A65AE" },
5148c84e 91 { 0xd44, "Cortex-X1" },
8cdb31d1
T
92 { 0xd46, "Cortex-A510" },
93 { 0xd47, "Cortex-A710" },
5148c84e
AS
94 { 0xd48, "Cortex-X2" },
95 { 0xd49, "Neoverse-N2" },
8d124f0f 96 { 0xd4a, "Neoverse-E1" },
dbc27723 97 { 0xd4b, "Cortex-A78C" },
b22a3bb5 98 { 0xd4c, "Cortex-X1C" },
8cdb31d1
T
99 { 0xd4d, "Cortex-A715" },
100 { 0xd4e, "Cortex-X3" },
6857cccb 101 { 0xd4f, "Neoverse-V2" },
6112ade9
JL
102 { 0xd80, "Cortex-A520" },
103 { 0xd81, "Cortex-A720" },
104 { 0xd82, "Cortex-X4" },
744d62ee
RV
105 { -1, "unknown" },
106};
107
108static const struct id_part brcm_part[] = {
c6df41fa
KZ
109 { 0x0f, "Brahma-B15" },
110 { 0x100, "Brahma-B53" },
744d62ee
RV
111 { 0x516, "ThunderX2" },
112 { -1, "unknown" },
113};
114
115static const struct id_part dec_part[] = {
116 { 0xa10, "SA110" },
117 { 0xa11, "SA1100" },
118 { -1, "unknown" },
119};
120
121static const struct id_part cavium_part[] = {
122 { 0x0a0, "ThunderX" },
c6df41fa
KZ
123 { 0x0a1, "ThunderX-88XX" },
124 { 0x0a2, "ThunderX-81XX" },
125 { 0x0a3, "ThunderX-83XX" },
126 { 0x0af, "ThunderX2-99xx" },
c7e659f8
T
127 { 0x0b0, "OcteonTX2" },
128 { 0x0b1, "OcteonTX2-98XX" },
129 { 0x0b2, "OcteonTX2-96XX" },
130 { 0x0b3, "OcteonTX2-95XX" },
131 { 0x0b4, "OcteonTX2-95XXN" },
132 { 0x0b5, "OcteonTX2-95XXMM" },
133 { 0x0b6, "OcteonTX2-95XXO" },
01e2697a 134 { 0x0b8, "ThunderX3-T110" },
744d62ee
RV
135 { -1, "unknown" },
136};
137
138static const struct id_part apm_part[] = {
139 { 0x000, "X-Gene" },
140 { -1, "unknown" },
141};
142
143static const struct id_part qcom_part[] = {
144 { 0x00f, "Scorpion" },
145 { 0x02d, "Scorpion" },
146 { 0x04d, "Krait" },
147 { 0x06f, "Krait" },
148 { 0x201, "Kryo" },
149 { 0x205, "Kryo" },
150 { 0x211, "Kryo" },
c6df41fa
KZ
151 { 0x800, "Falkor-V1/Kryo" },
152 { 0x801, "Kryo-V2" },
7076703b 153 { 0x802, "Kryo-3XX-Gold" },
c6df41fa
KZ
154 { 0x803, "Kryo-3XX-Silver" },
155 { 0x804, "Kryo-4XX-Gold" },
156 { 0x805, "Kryo-4XX-Silver" },
744d62ee
RV
157 { 0xc00, "Falkor" },
158 { 0xc01, "Saphira" },
159 { -1, "unknown" },
160};
161
162static const struct id_part samsung_part[] = {
163 { 0x001, "exynos-m1" },
cf922cbe 164 { 0x002, "exynos-m3" },
df1fc195 165 { 0x003, "exynos-m4" },
b93a604a 166 { 0x004, "exynos-m5" },
744d62ee 167 { -1, "unknown" },
744d62ee
RV
168};
169
170static const struct id_part nvidia_part[] = {
171 { 0x000, "Denver" },
172 { 0x003, "Denver 2" },
793378df 173 { 0x004, "Carmel" },
744d62ee
RV
174 { -1, "unknown" },
175};
176
177static const struct id_part marvell_part[] = {
c6df41fa 178 { 0x131, "Feroceon-88FR131" },
744d62ee
RV
179 { 0x581, "PJ4/PJ4b" },
180 { 0x584, "PJ4B-MP" },
181 { -1, "unknown" },
dd9b4cb3 182};
744d62ee 183
42c8ad63 184static const struct id_part apple_part[] = {
820e61d0
T
185 { 0x000, "Swift" },
186 { 0x001, "Cyclone" },
187 { 0x002, "Typhoon" },
188 { 0x003, "Typhoon/Capri" },
189 { 0x004, "Twister" },
190 { 0x005, "Twister/Elba/Malta" },
191 { 0x006, "Hurricane" },
192 { 0x007, "Hurricane/Myst" },
193 { 0x008, "Monsoon" },
194 { 0x009, "Mistral" },
195 { 0x00b, "Vortex" },
196 { 0x00c, "Tempest" },
197 { 0x00f, "Tempest-M9" },
198 { 0x010, "Vortex/Aruba" },
199 { 0x011, "Tempest/Aruba" },
200 { 0x012, "Lightning" },
201 { 0x013, "Thunder" },
3b565d31
T
202 { 0x020, "Icestorm-A14" },
203 { 0x021, "Firestorm-A14" },
204 { 0x022, "Icestorm-M1" },
205 { 0x023, "Firestorm-M1" },
206 { 0x024, "Icestorm-M1-Pro" },
207 { 0x025, "Firestorm-M1-Pro" },
820e61d0 208 { 0x026, "Thunder-M10" },
3b565d31
T
209 { 0x028, "Icestorm-M1-Max" },
210 { 0x029, "Firestorm-M1-Max" },
c6df41fa
KZ
211 { 0x030, "Blizzard-A15" },
212 { 0x031, "Avalanche-A15" },
213 { 0x032, "Blizzard-M2" },
214 { 0x033, "Avalanche-M2" },
e97637ec
T
215 { 0x034, "Blizzard-M2-Pro" },
216 { 0x035, "Avalanche-M2-Pro" },
217 { 0x036, "Sawtooth-A16" },
218 { 0x037, "Everest-A16" },
9bd0ed6f 219 { 0x038, "Blizzard-M2-Max" },
e97637ec 220 { 0x039, "Avalanche-M2-Max" },
cf15fdfd 221 { -1, "unknown" },
42c8ad63
T
222};
223
dd9b4cb3
RV
224static const struct id_part faraday_part[] = {
225 { 0x526, "FA526" },
226 { 0x626, "FA626" },
227 { -1, "unknown" },
744d62ee
RV
228};
229
230static const struct id_part intel_part[] = {
231 { 0x200, "i80200" },
232 { 0x210, "PXA250A" },
233 { 0x212, "PXA210A" },
234 { 0x242, "i80321-400" },
235 { 0x243, "i80321-600" },
236 { 0x290, "PXA250B/PXA26x" },
237 { 0x292, "PXA210B" },
238 { 0x2c2, "i80321-400-B0" },
239 { 0x2c3, "i80321-600-B0" },
240 { 0x2d0, "PXA250C/PXA255/PXA26x" },
241 { 0x2d2, "PXA210C" },
242 { 0x411, "PXA27x" },
243 { 0x41c, "IPX425-533" },
244 { 0x41d, "IPX425-400" },
245 { 0x41f, "IPX425-266" },
246 { 0x682, "PXA32x" },
247 { 0x683, "PXA930/PXA935" },
248 { 0x688, "PXA30x" },
249 { 0x689, "PXA31x" },
250 { 0xb11, "SA1110" },
251 { 0xc12, "IPX1200" },
252 { -1, "unknown" },
253};
254
a625b32e
SN
255static const struct id_part fujitsu_part[] = {
256 { 0x001, "A64FX" },
257 { -1, "unknown" },
258};
259
6f00af5b 260static const struct id_part hisi_part[] = {
26b17f80
TK
261 { 0xd01, "TaiShan-v110" }, /* used in Kunpeng-920 SoC */
262 { 0xd02, "TaiShan-v120" }, /* used in Kirin 990A and 9000S SoCs */
50bcc673 263 { 0xd40, "Cortex-A76" }, /* HiSilicon uses this ID though advertises A76 */
26b17f80 264 { 0xd41, "Cortex-A77" }, /* HiSilicon uses this ID though advertises A77 */
6f00af5b
JG
265 { -1, "unknown" },
266};
267
db81b3fc
T
268static const struct id_part ampere_part[] = {
269 { 0xac3, "Ampere-1" },
270 { 0xac4, "Ampere-1a" },
271 { -1, "unknown" },
272};
273
642a1a00 274static const struct id_part ft_part[] = {
5ab35198 275 { 0x660, "FTC660" },
97c61e5e 276 { 0x661, "FTC661" },
42c8ad63
T
277 { 0x662, "FTC662" },
278 { 0x663, "FTC663" },
b36a7925 279 { 0x862, "FTC862" },
642a1a00 280 { -1, "unknown" },
281};
282
744d62ee
RV
283static const struct id_part unknown_part[] = {
284 { -1, "unknown" },
285};
286
287struct hw_impl {
288 const int id;
289 const struct id_part *parts;
290 const char *name;
291};
292
293static const struct hw_impl hw_implementer[] = {
294 { 0x41, arm_part, "ARM" },
295 { 0x42, brcm_part, "Broadcom" },
296 { 0x43, cavium_part, "Cavium" },
297 { 0x44, dec_part, "DEC" },
a625b32e 298 { 0x46, fujitsu_part, "FUJITSU" },
8243036c 299 { 0x48, hisi_part, "HiSilicon" },
d44a83c1
VS
300 { 0x49, unknown_part, "Infineon" },
301 { 0x4d, unknown_part, "Motorola/Freescale" },
ecec8f1f 302 { 0x4e, nvidia_part, "NVIDIA" },
744d62ee
RV
303 { 0x50, apm_part, "APM" },
304 { 0x51, qcom_part, "Qualcomm" },
305 { 0x53, samsung_part, "Samsung" },
306 { 0x56, marvell_part, "Marvell" },
42c8ad63 307 { 0x61, apple_part, "Apple" },
dd9b4cb3 308 { 0x66, faraday_part, "Faraday" },
744d62ee 309 { 0x69, intel_part, "Intel" },
642a1a00 310 { 0x70, ft_part, "Phytium" },
db81b3fc 311 { 0xc0, ampere_part, "Ampere" },
744d62ee
RV
312 { -1, unknown_part, "unknown" },
313};
314
504de585 315static int parse_id(const char *str)
8229df20 316{
504de585
KZ
317 int id;
318 char *end = NULL;
af808dfa 319
504de585
KZ
320 if (!str || strncmp(str, "0x",2) != 0)
321 return -EINVAL;
af808dfa 322
504de585
KZ
323 errno = 0;
324 id = (int) strtol(str, &end, 0);
325 if (errno || str == end)
326 return -EINVAL;
367c85c4 327
504de585
KZ
328 return id;
329}
367c85c4 330
504de585
KZ
331#define parse_model_id(_cxt) (parse_id((_cxt)->model))
332
76b6666c
KZ
333static inline int parse_implementer_id(struct lscpu_cputype *ct)
334{
335 if (ct->vendor_id)
336 return ct->vendor_id;
337 ct->vendor_id = parse_id(ct->vendor);
338 return ct->vendor_id;
339}
340
504de585
KZ
341/*
342 * Use model and vendor IDs to decode to human readable names.
343 */
344static int arm_ids_decode(struct lscpu_cputype *ct)
345{
346 int impl, part, j;
347 const struct id_part *parts = NULL;
367c85c4 348
504de585
KZ
349 impl = parse_implementer_id(ct);
350 if (impl <= 0)
351 return -EINVAL; /* no ARM or missing ID */
352
353 /* decode vendor */
354 for (j = 0; hw_implementer[j].id != -1; j++) {
355 if (hw_implementer[j].id == impl) {
356 parts = hw_implementer[j].parts;
357 free(ct->vendor);
358 ct->vendor = xstrdup(hw_implementer[j].name);
359 break;
367c85c4 360 }
504de585
KZ
361 }
362
363 /* decode model */
364 if (!parts)
365 goto done;
367c85c4 366
504de585
KZ
367 part = parse_model_id(ct);
368 if (part <= 0)
369 goto done;
8229df20 370
504de585
KZ
371 for (j = 0; parts[j].id != -1; j++) {
372 if (parts[j].id == part) {
373 free(ct->modelname);
374 ct->modelname = xstrdup(parts[j].name);
375 break;
8229df20
KZ
376 }
377 }
504de585
KZ
378done:
379 return 0;
380}
8229df20 381
504de585 382/* use "rXpY" string as stepping */
8014104b 383static int arm_rXpY_decode(struct lscpu_cputype *ct)
504de585
KZ
384{
385 int impl, revision, variant;
386 char *end = NULL;
387 char buf[8];
af808dfa 388
504de585 389 impl = parse_implementer_id(ct);
af808dfa 390
504de585
KZ
391 if (impl != 0x41 || !ct->revision || !ct->stepping)
392 return -EINVAL;
af808dfa 393
504de585
KZ
394 errno = 0;
395 revision = (int) strtol(ct->revision, &end, 10);
396 if (errno || ct->revision == end)
397 return -EINVAL;
398
399 errno = 0;
400 variant = (int) strtol(ct->stepping, &end, 0);
401 if (errno || ct->stepping == end)
402 return -EINVAL;
403
404 snprintf(buf, sizeof(buf), "r%dp%d", variant, revision);
405 free(ct->stepping);
406 ct->stepping = xstrdup(buf);
407
408 return 0;
8229df20 409}
367c85c4 410
504de585 411static void arm_decode(struct lscpu_cxt *cxt, struct lscpu_cputype *ct)
367c85c4 412{
81d6de91 413 if (!cxt->noalive && access(_PATH_SYS_DMI, R_OK) == 0)
a772d7c4 414 dmi_decode_cputype(ct);
504de585 415
8014104b
MM
416 arm_ids_decode(ct);
417 arm_rXpY_decode(ct);
c2ca2837
KZ
418
419 if (!cxt->noalive && cxt->is_cluster)
f42f105b 420 ct->nr_socket_on_cluster = get_number_of_physical_sockets_from_dmi();
504de585
KZ
421}
422
5ebff091 423static int is_cluster_arm(struct lscpu_cxt *cxt)
73c0a766
MM
424{
425 struct stat st;
426
c2ca2837
KZ
427 if (!cxt->noalive
428 && strcmp(cxt->arch->name, "aarch64") == 0
429 && stat(_PATH_ACPI_PPTT, &st) < 0 && cxt->ncputypes == 1)
73c0a766
MM
430 return 1;
431 else
432 return 0;
433}
434
504de585
KZ
435void lscpu_decode_arm(struct lscpu_cxt *cxt)
436{
437 size_t i;
438
5ebff091 439 cxt->is_cluster = is_cluster_arm(cxt);
73c0a766 440
504de585
KZ
441 for (i = 0; i < cxt->ncputypes; i++)
442 arm_decode(cxt, cxt->cputypes[i]);
367c85c4 443}