/**
* 아래 함수는 C 언어 커널의 시작 부분임
*/
void Main( void )
{
int iCursorX, iCursorY;
// 콘솔을 먼저 초기화한 후, 다음 작업을 수행
kInitializeConsole( 0, 10 );
kPrintf( "Switch To IA-32e Mode Success~!!\n" );
kPrintf( "IA-32e C Language Kernel Start..............[Pass]\n" );
kPrintf( "Initialize Console..........................[Pass]\n" );
// 부팅 상황을 화면에 출력
kGetCursor( &iCursorX, &iCursorY );
kPrintf( "GDT Initialize And Switch For IA-32e 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();
// 1ms당 한번씩 인터럽트가 발생하도록 설정
kInitializePIT( MSTOCOUNT( 1 ), 1 );
kPrintf( "Keyboard Activate And Queue Initialize......[ ]" );
// 키보드를 활성화
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.....[ ]" );
// PIC 컨트롤러 초기화 및 모든 인터럽트 활성화
kInitializePIC();
kMaskPICInterrupt( 0 );
kEnableInterrupt();
kSetCursor( 45, iCursorY++ );
kPrintf( "Pass\n" );
// 셸을 시작
kStartConsoleShell();
}
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();
}
// Bootstrap Processor용 C 언어 커널 엔트리 포인트
void main( void )
{
int iCursorX, iCursorY;
// 부트 로더에 있는 BSP 플래그를 읽어서 Application Processor이면
// 해당 코어용 초기화 함수로 이동
if(*((BYTE*)BOOTSTRAPPROCESSOR_FLAGADDESS)==0)
{
mainForApplicationProcessor();
}
// Bootstrap Processor가 부팅을 완료했으므로, 0x7C09에 있는 Bootstrap Processor를
// 나타내는 플래그를 0으로 설정하여 Application Processor용으로 코드 실행 경로를 변경
*((BYTE*)BOOTSTRAPPROCESSOR_FLAGADDESS)=0;
// 콘솔을 먼저 초기화한 후, 다음 작업을 수행
kInitializeConsole( 0, 10 );
kPrintf( "Switch To IA-32e Mode Success~!!\n" );
kPrintf( "IA-32e C Language Kernel Start..............[Pass]\n" );
kPrintf( "Initialize Console..........................[Pass]\n" );
// 부팅 상황을 화면에 출력
kGetCursor( &iCursorX, &iCursorY );
kPrintf( "GDT Initialize And Switch For IA-32e 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 Poll And Scheduler Initialize...........[Pass]\n");
iCursorY++;
kInitializeScheduler();
// 동적 메모리 초기화
kPrintf("Dynamic Memory Initialize...................[Pass]\n");
iCursorY++;
kInitializeDynamicMemory();
// 1ms당 한 번씩 인터럽트가 발생하도록 설정
kInitializePIT(MSTOCOUNT(1),1);
kPrintf( "Keyboard Activate And Queue Initialize......[ ]" );
// 키보드를 활성화
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.....[ ]" );
// PIC 컨트롤러 초기화 및 모든 인터럽트 활성화
kInitializePIC();
kMaskPICInterrupt( 0 );
kEnableInterrupt();
kSetCursor( 45, iCursorY++ );
kPrintf( "Pass\n" );
// 파일 시스템을 초기화
kPrintf("File System Initialize......................[ ]");
if(kInitializeFileSystem()==TRUE)
{
kSetCursor(45,iCursorY++);
kPrintf("Pass\n");
}
else
{
kSetCursor(45,iCursorY++);
kPrintf("Fail\n");
}
// 시리얼 포트 초기화
kPrintf("Serial Port Initialize......................[Pass]\n");
iCursorY++;
kInitializeSerialPort();
// 유후 태스크를 시스템 스레드로 생성하고 셸을 시작
kCreateTask(TASK_FLAGS_LOWEST | TASK_FLAGS_THREAD | TASK_FLAGS_SYSTEM | TASK_FLAGS_IDLE,0,0,(QWORD)kIdleTask,kGetAPICID());
// 그래픽 모드가 아니면 콘솔 셸 실행
if(*(BYTE*)VBE_STARTGRAPHICMODEFLAGADDRESS==0)
{
kStartConsoleShell();
}
// 그래픽 모드면 그래픽 모드 테스트 함수 실행
else
{
kStartGraphicModeTest();
}
}