+\r
+\r
+#if USE_CPUID\r
+/**\r
+ * \brief Call the CPUID opcode\r
+ */\r
+static void cpuid(uint32_t Num, uint32_t *EAX, uint32_t *EBX, uint32_t *EDX, uint32_t *ECX)\r
+{\r
+ uint32_t eax, ebx, edx, ecx;\r
+ \r
+ __asm__ __volatile__ (\r
+ "cpuid"\r
+ : "=a"(eax), "=c"(ecx), "=d"(edx)\r
+ : "a"(Num)\r
+ );\r
+ \r
+ if(EAX) *EAX = eax;\r
+ if(EBX) *EBX = ebx;\r
+ if(EDX) *EDX = edx;\r
+ if(ECX) *ECX = ecx;\r
+}\r
+#endif\r