| 274 | } |
| 275 | |
| 276 | void |
| 277 | identify_arm_cpu(void) |
| 278 | { |
| 279 | int i; |
| 280 | u_int val; |
| 281 | |
| 282 | /* |
| 283 | * CPU |
| 284 | */ |
| 285 | for(i = 0; i < nitems(cpu_names); i++) { |
| 286 | if (cpu_names[i].implementer == cpuinfo.implementer && |
| 287 | cpu_names[i].part_number == cpuinfo.part_number) { |
| 288 | cpu_class = cpu_names[i].cpu_class; |
| 289 | snprintf(cpu_model, sizeof(cpu_model), |
| 290 | "%s %s r%dp%d (ECO: 0x%08X)", |
| 291 | cpu_names[i].impl_name, cpu_names[i].core_name, |
| 292 | cpuinfo.revision, cpuinfo.patch, |
| 293 | cpuinfo.midr != cpuinfo.revidr ? |
| 294 | cpuinfo.revidr : 0); |
| 295 | printf("CPU: %s\n", cpu_model); |
| 296 | break; |
| 297 | } |
| 298 | } |
| 299 | if (i >= nitems(cpu_names)) |
| 300 | printf("unknown CPU (ID = 0x%x)\n", cpuinfo.midr); |
| 301 | |
| 302 | printf("CPU Features: \n"); |
| 303 | hw_buf_idx = 0; |
| 304 | hw_buf_newline = true; |
| 305 | |
| 306 | val = (cpuinfo.mpidr >> 4)& 0xF; |
| 307 | if (cpuinfo.mpidr & (1 << 31U)) |
| 308 | add_cap("Multiprocessing"); |
| 309 | val = (cpuinfo.id_pfr0 >> 4)& 0xF; |
| 310 | if (val == 1) |
| 311 | add_cap("Thumb"); |
| 312 | else if (val == 3) |
| 313 | add_cap("Thumb2"); |
| 314 | |
| 315 | val = (cpuinfo.id_pfr1 >> 4)& 0xF; |
| 316 | if (val == 1 || val == 2) |
| 317 | add_cap("Security"); |
| 318 | |
| 319 | val = (cpuinfo.id_pfr1 >> 12)& 0xF; |
| 320 | if (val == 1) |
| 321 | add_cap("Virtualization"); |
| 322 | |
| 323 | val = (cpuinfo.id_pfr1 >> 16)& 0xF; |
| 324 | if (val == 1) |
| 325 | add_cap("Generic Timer"); |
| 326 | |
| 327 | val = (cpuinfo.id_mmfr0 >> 0)& 0xF; |
| 328 | if (val == 2) { |
| 329 | add_cap("VMSAv6"); |
| 330 | } else if (val >= 3) { |
| 331 | add_cap("VMSAv7"); |
| 332 | if (val >= 4) |
| 333 | add_cap("PXN"); |
no test coverage detected