git.ozlabs.org Git - ccan/blob - ccan/cpuid/test/run.c

   1 #include "../cpuid.c"
   2
   3 #include <stdio.h>
   4 #include <stdint.h>
   5
   6 int main(void)
   7 {
   8         if (!cpuid_is_supported()) {
   9                 printf ("CPUID instruction is not supported by this CPU\n");
  10                 return 1;
  11         }
  12
  13         char cputype[12];
  14         if (cpuid_sprintf_cputype(cpuid_get_cpu_type(), cputype))
  15                 printf ("Vendor ID: %s\n", cputype);
  16
  17         char buf[48];
  18         cpuid(CPU_PROC_BRAND_STRING, (uint32_t *)buf);
  19         printf ("Processor Brand: %s\n", buf);
  20
  21         uint32_t procinfo[8];
  22         cpuid(CPU_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
  26         printf ("Highest extended function supported: %#010x\n", cpuid_highest_ext_func_supported());
  27
  28         uint32_t phys_virt[2];
  29         cpuid(CPU_VIRT_PHYS_ADDR_SIZES, phys_virt);
  30         printf ("Physical address size: %d\nVirtual address size: %d\n", phys_virt[0], phys_virt[1]);
  31
  32         uint32_t extfeatures[2];
  33         cpuid(CPU_EXTENDED_PROC_INFO_FEATURE_BITS, extfeatures);
  34         printf ("Extended processor info and feature bits: %d %d\n", extfeatures[0], extfeatures[1]);
  35
  36         uint32_t l2c[3];
  37         cpuid(CPU_EXTENDED_L2_CACHE_FEATURES, l2c);
  38         printf("L2 Line size: %u bytes\tAssociativity: %02xh\tCache Size: %u KB\n",
  39                 l2c[0], l2c[1], l2c[2]);
  40
  41         uint32_t invalid;
  42         cpuid(0x0ffffffUL, &invalid);
  43         printf ("Testing invalid: %#010x\n", invalid);
  44         return 0;
  45 }