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[ccan] / 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         printf ("Highest extended function supported: %#010x\n", cpuid_highest_ext_func_supported());
22
23         uint32_t phys_virt[2];
24         cpuid(CPU_VIRT_PHYS_ADDR_SIZES, phys_virt);
25         printf ("Physical address size: %d\nVirtual address size: %d\n", phys_virt[0], phys_virt[1]);
26
27         uint32_t extfeatures[2];
28         cpuid(CPU_EXTENDED_PROC_INFO_FEATURE_BITS, extfeatures);
29         printf ("Extended processor info and feature bits: %d %d\n", extfeatures[0], extfeatures[1]);
30
31         uint32_t l2c[3];
32         cpuid(CPU_EXTENDED_L2_CACHE_FEATURES, l2c);
33         printf("L2 Line size: %u bytes\tAssociativity: %02xh\tCache Size: %u KB\n",
34                 l2c[0], l2c[1], l2c[2]);
35
36         uint32_t invalid;
37         cpuid(0x0ffffffUL, &invalid);
38         printf ("Testing invalid: %#010x\n", invalid);
39         return 0;
40 }