52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
#include "exception.h"
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#include "gdt.h"
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#include "idt.h"
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#include "interrupt.h"
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#include "io.h"
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#include "irq.h"
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#include "pit.h"
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#include "types.h"
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#include "vga.h"
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char getScancode()
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{
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char c = 0;
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do {
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if (inb(0x60) != c) {
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c = inb(0x60);
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if (c > 0)
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return c;
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}
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} while (1);
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}
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void cpuid(int code, uint32_t *a, uint32_t *d)
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{
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asm volatile("cpuid" : "=a"(*a), "=d"(*d) : "0"(code) : "ebx", "ecx");
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}
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void kmain()
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{
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const short color = GREEN;
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clearScreen(BLACK);
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printString("Setting up IDT", color, BLACK, 0, 0);
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gdtSetup();
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idtSetup();
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printString("Setting up IRQ", color, BLACK, 0, 1);
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irqSetup();
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initPit(100);
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printString("Setting up IRQ handlers", color, BLACK, 0, 1);
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irqSetRoutine(IRQ_KEYBOARD, keyboard_handler);
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irqSetRoutine(IRQ_TIMER, timer_handler);
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printString("Enabling HW interrupts", color, BLACK, 0, 2);
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exceptionSetRoutine(EXCEPTION_DOUBLE_FAULT, print_handler);
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// Enabling the HW interrupts
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asm volatile("sti\n");
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int count = 0;
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while (1) {
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printInt(count++, color, BLACK, 0, 6);
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}
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printString("exiting", color, BLACK, 0, 4);
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}
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