* This file has been written with some help from wikipedia:
* http://en.wikipedia.org/wiki/CPUID
*/
+
+/* Only compile this file if we're on a x86 machine. */
+#if defined(__i386__) || defined(__i386) || defined(__x86_64) \
+ || defined(_M_AMD64) || defined(__M_X64)
#include <stdint.h>
#include <string.h>
}
}
+#else
+#warning "Cannot compile this file on a non-x86 machine"
+#endif
+
Test if the CPUID instruction is available.
returns 1 if so, 0 otherwise. */
+/* Only compile this file if we're on a x86 machine. */
+#if defined(__i386__) || defined(__i386) || defined(__x86_64) \
+ || defined(_M_AMD64) || defined(__M_X64)
+
.section .text
.global cpuid_is_supported
.type cpuid_is_supported, @function
ret
.size cpuid_is_supported, .-cpuid_is_supported
+#endif
return 1;
}
- char buf[128];
- cpuid(CPU_VENDORID, buf);
- printf ("Vendor ID: %s\n", buf);
+ printf ("Vendor ID: %s\n", cpuid_get_cpu_type_string (cpuid_get_cpu_type ()));
+ char buf[48];
cpuid(CPU_PROC_BRAND_STRING, buf);
printf ("Processor Brand: %s\n", buf);
- int addr;
- cpuid(CPU_HIGHEST_EXTENDED_FUNCTION_SUPPORTED, &addr);
- printf ("Highest extended function supported: %#010x\n", addr);
+ printf ("Highest extended function supported: %#010x\n", cpuid_highest_ext_func_supported());
union {
struct {
} l2c;
cpuid(CPU_EXTENDED_L2_CACHE_FEATURES, &l2c.w);
- printf ("L2 Cache Size: %u KB\tLine Size: %u bytes\tAssociativity: %02xh\n",
+ printf ("L2 Cache Size: %ld KB\tLine Size: %ld bytes\tAssociativity: %02xh\n",
l2c.cache_size, l2c.line_size, l2c.assoc);
int invalid;