If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.\r
If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.\r
If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.\r
If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.\r
If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.\r
If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.\r