/**
* 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 ) ;
}
// 공용 Exception Handler
void kCommonExceptionHandler(int iVectorNumber, QWORD qwErrorCode) {
char vcBuffer[3] = {0};
// Printing Interrupt Vector
vcBuffer[0] = '0' + iVectorNumber / 10;
vcBuffer[1] = '0' + iVectorNumber % 10;
kPrintString(0, 0, "======================================================");
kPrintString(0, 1, " Exception Occur ");
kPrintString(0, 2, " Vector: ");
kPrintString(27, 2, vcBuffer);
kPrintString(0, 3, "======================================================");
//while(1);
}
// 키보드 인터럽트 핸들러
void kKeyboardHandler(int iVectorNumber) {
char vcBuffer[] = "[INT: , ]";
static int g_iKeyboardInterruptCount = 0;
BYTE bTemp;
//============================================================
// Interrupt 발생 메시지 출력
// Interrupt Vector 출력
vcBuffer[5] = '0' + iVectorNumber / 10;
vcBuffer[6] = '0' + iVectorNumber % 10;
// Interrupt 발생 횟수 출력
vcBuffer[8] = '0' + g_iKeyboardInterruptCount;
g_iKeyboardInterruptCount = (g_iKeyboardInterruptCount + 1) % 10;
kPrintString(0, 0, vcBuffer);
//============================================================
// 키보드 컨트롤러에서 데이터를 읽어서 ASCII로 변환하여 큐에 삽입
if(kIsOutputBufferFull() == TRUE) {
bTemp = kGetKeyboardScanCode();
kConvertScanCodeAndPutQueue(bTemp);
}
// Send EOI.
kSendEOIToPIC(iVectorNumber - PIC_IRQSTARTVECTOR);
}
// 공용 Interrupt Handler
void kCommonInterruptHandler(int iVectorNumber) {
char vcBuffer[] = "[INT: , ]";
static int g_iCommonInterruptCount = 0;
//============================================================
// Interrupt 발생 메시지 출력
// Interrupt Vector 출력
vcBuffer[5] = '0' + iVectorNumber / 10;
vcBuffer[6] = '0' + iVectorNumber % 10;
// Interrupt 발생 횟수 출력
vcBuffer[8] = '0' + g_iCommonInterruptCount;
g_iCommonInterruptCount = (g_iCommonInterruptCount + 1) % 10;
kPrintString(70, 0, vcBuffer);
//============================================================
// Send EOI.
kSendEOIToPIC(iVectorNumber - PIC_IRQSTARTVECTOR);
}
void Main( void )
{
int iCursorX, iCursorY;
kPrintString( 45, 10,"Pass" );
kInitializeConsole( 0, 11);
kPrintf("Success to enter 64-bit C Kernel\n");
kPrintf("Console Initialization......................[Pass]\n");
// 부팅상황
kGetCursor( &iCursorX, &iCursorY );
kPrintf("GDT Initialize And Switch For 64bit Mode....[ ]");
kInitializeGDTTableAndTSS();
kLoadGDTR( GDTR_STARTADDRESS );
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
kPrintf("TSS Segment Load............................[ ]" );
kLoadTR( GDT_TSSSEGMENT );
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
kPrintf("IDT Initialize..............................[ ]" );
kInitializeIDTTables();
kLoadIDTR( IDTR_STARTADDRESS );
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
kPrintf("Total RAM Size Check........................[ ]" );
kCheckTotalRAMSize();
kSetCursor( 45, iCursorY++);
kPrintf("Pass], Size = %d MB\n", kGetTotalRAMSize());
kPrintf("TCB Pool And Scheduler Initialize...........[Pass]\n" );
iCursorY++;
kInitializeScheduler();
kPrintf("Dynamic Memory Initialize...................[Pass]\n");
iCursorY++;
kInitializeDynamicMemory();
// 1ms 당 인터럽트 발생
kInitializePIT( MSTOCOUNT(1), 1 );
kPrintf("Keyboard Activation.........................[ ]" );
if( kInitializeKeyboard() == TRUE )
{
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
kChangeKeyboardLED(FALSE, FALSE, FALSE);
}
else
{
kSetCursor( 45, iCursorY++);
kPrintf("Fail\n");
while(1)
{
;
}
}
kPrintf("PIC Controller And Interrupt Initialize.....[ ]" );
kInitializePIC();
kMaskPICInterrupt( 0 );
kEnableInterrupt();
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
kPrintf("HDD Initialize..............................[ ]" );
if(kInitializeHDD() == TRUE)
{
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
}
else
{
kSetCursor( 45, iCursorY++);
kPrintf("Fail\n");
}
kPrintf("File System Initialize......................[ ]" );
if(kInitializeFileSystem() == TRUE)
{
kSetCursor( 45, iCursorY++);
kPrintf("Pass\n");
}
else
{
kSetCursor( 45, iCursorY++);
kPrintf("Fail\n");
}
kCreateTask( TASK_FLAGS_LOWEST | TASK_FLAGS_IDLE | TASK_FLAGS_SYSTEM | TASK_FLAGS_THREAD , 0, 0, (QWORD) kIdleTask );
kStartConsoleShell();
}
// 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);
}
// Main 함수
void Main(void)
{
kPrintString( 0, 3, "C Language Kernel Started~!!!" );
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 C 언어 커널의 시작 부분임
*/
void Main( void )
{
char vcTemp[ 2 ] = { 0, };
BYTE bTemp;
int i = 0;
KEYDATA stData;
kPrintString( 0, 10, "Switch To IA-32e Mode Success~!!" );
kPrintString( 0, 11, "IA-32e C Language Kernel Start..............[Pass]" );
kPrintString( 0, 12, "GDT Initialize And Switch For IA-32e Mode...[ ]" );
kInitializeGDTTableAndTSS();
kLoadGDTR( GDTR_STARTADDRESS );
kPrintString( 45, 12, "Pass" );
kPrintString( 0, 13, "TSS Segment Load............................[ ]" );
kLoadTR( GDT_TSSSEGMENT );
kPrintString( 45, 13, "Pass" );
kPrintString( 0, 14, "IDT Initialize..............................[ ]" );
kInitializeIDTTables();
kLoadIDTR( IDTR_STARTADDRESS );
kPrintString( 45, 14, "Pass" );
kPrintString( 0, 15, "Keyboard Activate And Queue Initialize......[ ]" );
// 키보드를 활성화
if( kInitializeKeyboard() == TRUE )
{
kPrintString( 45, 15, "Pass" );
kChangeKeyboardLED( FALSE, FALSE, FALSE );
}
else
{
kPrintString( 45, 15, "Fail" );
while( 1 ) ;
}
kPrintString( 0, 16, "PIC Controller And Interrupt Initialize.....[ ]" );
// PIC 컨트롤러 초기화 및 모든 인터럽트 활성화
kInitializePIC();
kMaskPICInterrupt( 0 );
kEnableInterrupt();
kPrintString( 45, 16, "Pass" );
while( 1 )
{
// 키 큐에 데이터가 있으면 키를 처리함
if( kGetKeyFromKeyQueue( &stData ) == TRUE )
{
// 키가 눌러졌으면 키의 ASCII 코드 값을 화면에 출력
if( stData.bFlags & KEY_FLAGS_DOWN )
{
// 키 데이터의 ACII 코드 값을 저장
vcTemp[ 0 ] = stData.bASCIICode;
kPrintString( i++, 17, vcTemp );
// 0이 입력되면 변수를 0으로 나누어 Divide Error 예외(벡터 0번)을
// 발생시킴
if( vcTemp[ 0 ] == '0' )
{
// 아래 코드를 수행하면 Divide Error 예외가 발생하여
// 커널의 임시 핸들러가 수행됨
bTemp = bTemp / 0;
}
}
}
}
}
void Main( void )
{
kPrintString( 0, 10, "Switch To IA-32e Mode Success~!!" );
kPrintString( 0, 11, "IA-32e C Language Kernel Start..............[Pass]" );
}
