#include <iostream>
#include <iomanip>

using namespace std;

void VendorID()
{
	unsigned long iEax = 0, iEbx = 0, iEcx = 0, iEdx = 0;
	char szVenderID[12] = {'\0'};
	__asm{
		mov eax, 0x0000000
		cpuid

		mov dword ptr[szVenderID+0], ebx
		mov dword ptr[szVenderID+4], edx
		mov dword ptr[szVenderID+8], ecx
		mov byte ptr[szVenderID+12], '\0'

		mov iEax, eax
		mov iEbx, ebx
		mov iEcx, ecx
		mov iEdx, edx
	}

	cout << "**** eax = 0x0000000 ****\n";
	cout << "EAX:0x" << setw(8) << setfill('0') << hex << iEax << endl;
	cout << "EBX:0x" << setw(8) << setfill('0') << hex << iEbx << endl;
	cout << "ECX:0x" << setw(8) << setfill('0') << hex << iEcx << endl;
	cout << "EDX:0x" << setw(8) << setfill('0') << hex << iEdx << endl;
	cout << "Vendor ID is " << szVenderID << endl;
	cout << "\n";

	return;
}

void ProcesserSerialNumber()
{
	unsigned long iEax = 0, iEbx = 0, iEcx = 0, iEdx = 0;
	__asm{
		mov eax, 0x0000003
		cpuid

		mov iEax, eax
		mov iEbx, ebx
		mov iEcx, ecx
		mov iEdx, edx
	}

	cout << "**** eax = 0x00000003 ****\n";
	cout << "EAX:0x" << setw(8) << setfill('0') << hex << iEax << endl;
	cout << "EBX:0x" << setw(8) << setfill('0') << hex << iEbx << endl;
	cout << "ECX:0x" << setw(8) << setfill('0') << hex << iEcx << endl;
	cout << "EDX:0x" << setw(8) << setfill('0') << hex << iEdx << endl;
	cout << "\n";

	return;
}

void HighestExtendedFunctionSupported()
{
	unsigned long iEax = 0, iEbx = 0, iEcx = 0, iEdx = 0;
	__asm{
		mov eax, 80000000h
		cpuid

		mov iEax, eax
	}
	cout << "**** eax = 80000000h ****\n";
	cout << "EAX:0x" << setw(8) << setfill('0') << hex << iEax << endl;
	cout << "\n";

	return;
}

void ProcessorBrandString()
{
	char szPBS[48] = {'\0'};
	__asm{
		mov eax, 80000002h
		cpuid

		mov dword ptr[szPBS+0], eax
		mov dword ptr[szPBS+4], ebx
		mov dword ptr[szPBS+8], ecx
		mov dword ptr[szPBS+12], edx

		mov eax, 80000003h
		cpuid

		mov dword ptr[szPBS+16], eax
		mov dword ptr[szPBS+20], ebx
		mov dword ptr[szPBS+24], ecx
		mov dword ptr[szPBS+28], edx

		mov eax, 80000004h
		cpuid

		mov dword ptr[szPBS+32] ,eax
		mov dword ptr[szPBS+36], ebx
		mov dword ptr[szPBS+40], ecx
		mov dword ptr[szPBS+44], edx
		mov word ptr[szPBS+48], '\0'

	}

	cout << "**** eax = 80000002h, 80000003h, 80000004h ****\n";
	cout << "Processor Brand String : " << szPBS << endl;
	cout << "\n";

	return;
}

void main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);

	VendorID();

	ProcesserSerialNumber();

	HighestExtendedFunctionSupported();
	
	ProcessorBrandString();

	cin.get();

	return;
}