Esempi in C++ (Cpp) per kReadCPUID

Esempio n. 1

File: Main.c Progetto: cd80/mint64os

void Main(void){
	DWORD i;
	DWORD dwEAX, dwEBX, dwECX, dwEDX;
	char vcVendorString[13] = {0, };
	kPrintString(0, 3, "C Language Kernel Start.....................[Pass]");

	kPrintString(0, 4, "Minimum Memory Size Check...................[    ]");
	if(kIsMemoryEnough() == FALSE){
		kPrintString(45, 4, "Fail");
		kPrintString(0, 5, "Not Enought Memory. Current memory size is lower than 64MB");
		while(1);
	}
	else{
		kPrintString(45, 4, "Pass");
	}

	kPrintString(0, 5, "IA-32e Kernel Area Initialize...............[    ]");
	if(kInitializeKernel64Area() == FALSE){
		kPrintString(45, 5, "Fail");
	}
	kPrintString(45, 5, "Pass");

	kPrintString(0, 6, "IA-32e Page Tables Initialize...............[    ]");
	kInitializePageTables();
	kPrintString(45, 6, "Pass");

	kReadCPUID( 0x00, &dwEAX, &dwEBX, &dwECX, &dwEDX );
	*(DWORD *)vcVendorString = dwEBX;
	*(DWORD *)vcVendorString = dwEDX;
	*(DWORD *)vcVendorString = dwECX;
	kPrintString(0, 7, "Processor Vendor String.....................[    ]");
	kPrintString(45, 7, vcVendorString);

	kReadCPUID(0x80000001, &dwEAX, &dwEBX, &dwECX, &dwEDX);
	kPrintString(0, 8, "64bit Mode Support Check....................[    ]");
	if(dwEDX & ( 1 << 29)){
		kPrintString(45, 8, "Pass");
	}
	else{
		kPrintString(45, 8, "Fail");
		kPrintString(0, 9, "This processor does not support 64bit mode");
		while(1);
	}

	kPrintString(0, 9, "Switch to IA-32e Mode");
	// kSwitchAndExecute64bitKernel();
	while(1);
}

Esempio n. 2

File: main.c Progetto: cocojk/os

// 아래 함수는 c언어 커널의 시작 부분임
// 반드시 다른 함수들 보다 가장 앞쪽에 존재해야 함
void main(void)
{
	DWORD i;
	DWORD dwEAX, dwEBX, dwECX, dwEDX;
	char vcVendorString[13]={0,};

	// Application Processor이면 아래의 코드를 생략하고 바로 64비트 모드로 전환 
	if(*((BYTE*)BOOTSTRAPPROCESSOR_FLAGADDRESS)==0)
	{
		kSwitchAndExecute64bitKernel();
		while(1);
	}

	//========================================================================================
	// BSP만 수행하는 코드 
	//========================================================================================
	
	kPrintString(0,3,"Protected Mode C Language kernel start........................[Pass]");

	// 최소 메모리 크기를 만족하는 지 검사
	kPrintString(0,4,"Minimum Memory Size Check...................[    ]");
	if(kIsMemoryEnough()==FALSE)
	{
		kPrintString(45,4,"Fail");
		kPrintString(0,5,"Not Enough Memory~!! MINT64 OS Requires Over 64MByte Memory~!!");
		while(1);
	}
	else
	{
		kPrintString(45,4,"Pass");
	}


	// IA-32e 모드의 커널 영역을 초기화
	kPrintString(0,5,"IA-32e kernel Area Initialize...............[    ]");
	if(kInitializeKernel64Area()==FALSE)
	{
		kPrintString(45,4,"Fail");
		kPrintString(0,4,"Kernel Area Initialization Fail~!!");
		while(1);
	}
	kPrintString(45,5,"Pass");

	// IA-32e 모드 커널을 위한 페이지 테이블 생성
	kPrintString(0,6,"IA-32e Page Tables Initialize...............[    ]");
	kInitializePageTables();
	kPrintString(45,6,"Pass");

	// 프로세서 제조사 정보 읽기 
	kReadCPUID(0x00,&dwEAX,&dwEBX,&dwECX,&dwEDX);
	*(DWORD*)vcVendorString=dwEBX;
	*((DWORD*)vcVendorString+1)=dwEDX;
	*((DWORD*)vcVendorString+2)=dwECX;
	kPrintString(0,7,"Processor Vendor String.....................[            ]");
	kPrintString(45,7,vcVendorString);

	// 64비트 지원 유무 확인
	kReadCPUID(0x80000001,&dwEAX,&dwEBX,&dwECX,&dwEDX);
	kPrintString(0,8,"64bit Mode Support Check....................[    ]");
	if(dwEDX&(1<<29))
	{
		kPrintString(45,8,"Pass");
	}
	else
	{
		kPrintString(45,8,"Fail");
		kPrintString(0,9,"This processor does not support 64bit mode~!!");
		while(1);
	}

	// IA-32e 모드 커널을 0x200000(2Mbyte) 어드레스로 이동
	kPrintString(0,9,"Copy IA-32e kernel To 2M Address............[    ]");
	kCopyKernel64ImageTo2Mbyte();
	kPrintString(45,9,"Pass");

	// IA-32e 모드로 전환
	kPrintString(0,10,"Switch To IA-32e Mode");
	kSwitchAndExecute64bitKernel();

	while(1);
	
}