8 if (!cpuid_is_supported()) {
9 printf ("CPUID instruction is not supported by this CPU\n");
14 if (cpuid_sprintf_cputype(cpuid_get_cpu_type(), cputype))
15 printf ("Vendor ID: %s\n", cputype);
18 cpuid(CPUID_PROC_BRAND_STRING, (uint32_t *)buf);
19 printf ("Processor Brand: %s\n", buf);
21 uint32_t procinfo[11];
22 cpuid(CPUID_PROCINFO_AND_FEATUREBITS, procinfo);
23 printf("Stepping: %d Model: 0x%X Family: %d extended model: %d extended family: %d\n",
24 procinfo[0], procinfo[1], procinfo[2], procinfo[3], procinfo[4]);
25 printf("Brand Index: %d CL Flush Line Size: %d Logical Processors: %d Initial APICID: %d\n",
26 procinfo[7], procinfo[8], procinfo[9], procinfo[10]);
28 printf ("Highest extended function supported: %#010x\n", cpuid_highest_ext_func_supported());
30 uint32_t phys_virt[2];
31 cpuid(CPUID_VIRT_PHYS_ADDR_SIZES, phys_virt);
32 printf ("Physical address size: %d\nVirtual address size: %d\n", phys_virt[0], phys_virt[1]);
34 uint32_t extfeatures[2];
35 cpuid(CPUID_EXTENDED_PROC_INFO_FEATURE_BITS, extfeatures);
36 printf ("Extended processor info and feature bits: %d %d\n", extfeatures[0], extfeatures[1]);
39 cpuid(CPUID_EXTENDED_L2_CACHE_FEATURES, l2c);
40 printf("L2 Line size: %u bytes\tAssociativity: %02xh\tCache Size: %u KB\n",
41 l2c[0], l2c[1], l2c[2]);
44 cpuid(0x0ffffffUL, &invalid);
45 printf ("Testing invalid: %#010x\n", invalid);