/**
* 아래 함수는 C 언어 커널의 시작 부분임
* 반드시 다른 함수들 보다 가장 앞쪽에 존재해야 함
*/
void Main( void )
{
DWORD i;
kPrintString( 0, 3, "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, 5, "Fail" );
kPrintString( 0, 6, "Kernel Area Initialization Fail~!!" );
while( 1 ) ;
}
kPrintString( 45, 5, "Pass" );
while( 1 ) ;
}
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);
}
// 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);
}