kmain() {
int i,num;
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ0 */
setup_IDT_entry (&idt[0x08], 0x08, (dword)&_int_08_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x09], 0x08, (dword)&_int_09_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x80], 0x08, (dword)&_int_80_hand, ACS_INT, 0);
/* Carga de IDTR */
idtr.base = 0;
idtr.base +=(dword) &idt;
idtr.limit = sizeof(idt)-1;
_lidt (&idtr);
_Cli();
/* Habilito interrupcion de timer tick*/
//_mascaraPIC1(INT_08 & INT_09 & INT_80);
_mascaraPIC1(0x00);
_mascaraPIC2(NONE);
_Sti();
initKeyBoard();
initVideo();
initShell();
doubleFlagsFix(1.1);
while (1) {
updateShell();
}
}
int kmain() {
initializeBuffer();
cursor = 0;
/* Borra la pantalla. */
clearScreen();
/* CARGA DE IDT */
setup_IDT_content();
/* Carga de IDTR */
setup_IDTR();
_Cli();
_mascaraPIC1(0xFC); /*Habilito timer tick, teclado*/
_mascaraPIC2(0xFF); /*Las interrupciones del segundo PIC quedan deshabilitadas*/
_Sti();
showSplashScreen();
shell();
_Cli();
goodbye();
_Sti();
return 0;
}
void
unmaskPICS(){
_mascaraPIC1(0xFC);
_mascaraPIC2(0xFF);
return;
}
kmain() {
int i, num;
/* Borra la pantalla. */
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ0 */
setup_IDT_entry(&idt[0x08], 0x08, (dword) & _int_08_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ1 */
setup_IDT_entry(&idt[0x09], 0x08, (dword) & _int_09_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE int80h */
setup_IDT_entry(&idt[0x80], 0x08, (dword) & _int_80_hand, ACS_INT, 0);
//TODO: CARGAR LA PAG DE TABLAS
/* Carga de IDTR */
idtr.base = 0;
idtr.base += (dword) & idt;
idtr.limit = sizeof(idt) - 1;
_lidt(&idtr);
_Cli();
/* Habilito interrupcion de timer tick*/
_mascaraPIC1(0xFC);
_mascaraPIC2(0xFF);
_Sti();
startKeyboard();
initVideo();
shellStart();
/* KeepAlive loop */
while (1) {
// Main del shell
shellMain();
}
}
kmain()
{
int i,num;
int flag = 0;
int vendor = 0xffff;
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ0 y IRQ1 */
// setup_IDT_entry (&idt[0x08], 0x08, (dword)&_int_08_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x80], 0x08, (dword)&_int_80_hand, ACS_INT, 0);
/* Por default el teclado esta en ingles */
setup_IDT_entry (&idt[0x09], 0x08, (dword)&_int_09_hand_US,ACS_INT, 0);
/* Carga de IDTR */
idtr.base = 0;
idtr.base +=(dword) &idt;
idtr.limit = sizeof(idt)-1;
_lidt (&idtr);
_Cli();
/* Habilito interrupcion del teclado */
_mascaraPIC1(0xFD);
_mascaraPIC2(0xFF);
_Sti();
/* Se inicia el shell */
shell();
}
/**********************************************
kmain()
Punto de entrada de código C.
*************************************************/
kmain() {
int i, num;
// Paging.start(0x200000);
// init_malloc();
initialize_pics(0x20,0x70);
setup_IDT_entry(&idt[0x70], 0x08, (dword) & _rtc, ACS_INT, 0);
_cache_init();
hdd_init();
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ0 */
setup_IDT_entry (&idt[0x00], 0x08, (dword)&_int_00_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x01], 0x08, (dword)&_int_01_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x02], 0x08, (dword)&_int_02_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x03], 0x08, (dword)&_int_03_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x04], 0x08, (dword)&_int_04_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x05], 0x08, (dword)&_int_05_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x06], 0x08, (dword)&_int_06_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x07], 0x08, (dword)&_int_07_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x08], 0x08, (dword)&_int_08_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x09], 0x08, (dword)&_int_09_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x0A], 0x08, (dword)&_int_0A_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x0B], 0x08, (dword)&_int_0B_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x0C], 0x08, (dword)&_int_0C_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x0D], 0x08, (dword)&_int_0D_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x0E], 0x08, (dword)&_int_0E_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x0F], 0x08, (dword)&_int_0F_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x10], 0x08, (dword)&_int_10_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x11], 0x08, (dword)&_int_11_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x12], 0x08, (dword)&_int_12_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x13], 0x08, (dword)&_int_13_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x14], 0x08, (dword)&_int_14_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x15], 0x08, (dword)&_int_15_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x16], 0x08, (dword)&_int_16_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x17], 0x08, (dword)&_int_17_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x18], 0x08, (dword)&_int_18_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x19], 0x08, (dword)&_int_19_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x1A], 0x08, (dword)&_int_1A_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x1B], 0x08, (dword)&_int_1B_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x1C], 0x08, (dword)&_int_1C_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x1D], 0x08, (dword)&_int_1D_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x1E], 0x08, (dword)&_int_1E_hand, ACS_INT, 0);
setup_IDT_entry (&idt[0x1F], 0x08, (dword)&_int_1F_hand, ACS_INT, 0);
// setup_IDT_entry (&idt[0x20], 0x08, (dword)&_int_20_hand, ACS_INT, 0);
// setup_IDT_entry (&idt[0x21], 0x08, (dword)&_int_21_hand, ACS_INT, 0);
setup_IDT_entry(&idt[0x20], 0x08, (dword) & _timer_tick_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ1 */
setup_IDT_entry(&idt[0x21], 0x08, (dword) & _KB_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE int80h */
setup_IDT_entry(&idt[0x80], 0x08, (dword) & _int_80_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE int79h */
setup_IDT_entry(&idt[0x79], 0x08, (dword) & _int_79_hand, ACS_INT, 0);
/* Carga de IDTR */
idtr.base = 0;
idtr.base += (dword) & idt;
idtr.limit = sizeof(idt) - 1;
_lidt(&idtr);
Cli();
int rate = 0x06;
_outb(0x70, 0x0A); //set index to register A
char prev=_inb(0x71); //get initial value of register A
_outb(0x70, 0x0A); //reset index to A
_outb(0x71, (prev & 0xF0) | rate); //write only our rate to A. Note, rate is the bottom 4 bits.
init_paging();
scheduler_init();
/* Habilito interrupcion de timer tick*/
_mascaraPIC1(0xFC);
_mascaraPIC2(0xFE);
_outb(0x70, 0x0B); //set the index to register B
prev= _inb(0x71); //read the current value of register B
_outb(0x70, 0x0B); //set the index again(a read will reset the index to register D)
_outb(0x71, prev | 0x40); //write the previous value or'd with 0x40. This turns on bit 6 of register B
Sti();
idle = create_process("idle", idle_main, 0, 0, 0, 0, 0, 0, 0, NULL, 0);
// We soon exit out of here :)
while (1);
}
/**********************************************
kmain()
Punto de entrada de código C.
*************************************************/
kmain() {
int i, num;
setup_IDT_entry(&idt[0x70], 0x08, (dword) & _rtc, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ0 */
setup_IDT_entry(&idt[0x08], 0x08, (dword) & _int_08_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE IRQ1 */
setup_IDT_entry(&idt[0x09], 0x08, (dword) & _int_09_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE int80h */
setup_IDT_entry(&idt[0x80], 0x08, (dword) & _int_80_hand, ACS_INT, 0);
/* CARGA DE IDT CON LA RUTINA DE ATENCION DE int79h */
setup_IDT_entry(&idt[0x79], 0x08, (dword) & _int_79_hand, ACS_INT, 0);
/* Carga de IDTR */
idtr.base = 0;
idtr.base += (dword) & idt;
idtr.limit = sizeof(idt) - 1;
_lidt(&idtr);
Cli();
int rate = 0x06;
_outb(0x70, 0x0A); //set index to register A
char prev=_inb(0x71); //get initial value of register A
_outb(0x70, 0x0A); //reset index to A
_outb(0x71, (prev & 0xF0) | rate); //write only our rate to A. Note, rate is the bottom 4 bits.
scheduler_init();
/* Habilito interrupcion de timer tick*/
_mascaraPIC1(0x00);
_mascaraPIC2(0x00);
_outb(0x70, 0x0B); //set the index to register B
prev= _inb(0x71); //read the current value of register B
_outb(0x70, 0x0B); //set the index again(a read will reset the index to register D)
_outb(0x71, prev | 0x40); //write the previous value or'd with 0x40. This turns on bit 6 of register B
Sti();
idle = create_process("idle", idle_main, 0, 0, 0, 0, 0, 0, 0, NULL, 0);
// We soon exit out of here :)
while (1);
}
