49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
#include "src/idt.h"
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#include "src/keyboard.h"
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#include "src/memory.h"
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#include "src/pic.h"
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#include "src/terminal.h"
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#include "src/util.h"
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#include "src/vga.h"
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__attribute__((interrupt)) void isr_divide_by_zero(struct interrupt_frame *frame) {
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vga_set_string(VGA_HEIGHT - 1, 0, "EXCEPTION: divide by zero", 0x4F);
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while (1)
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;
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}
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__attribute__((interrupt)) void isr_page_fault(struct interrupt_frame *frame) {
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vga_set_string(VGA_HEIGHT - 1, 0, "EXCEPTION: page fault", 0x4F);
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while (1)
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;
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}
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__attribute__((interrupt)) void isr_general_violation(struct interrupt_frame *frame) {
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vga_set_string(VGA_HEIGHT - 1, 0, "EXCEPTION: general violation", 0x4F);
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while (1)
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;
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}
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__attribute__((interrupt)) void isr_ata_primary(struct interrupt_frame *frame) {
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outb(0x20, 0x20);
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outb(0xA0, 0x20);
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}
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void kernel_main() {
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pic_init();
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idt_init();
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outb(0x21, inb(0x21) | 0x01); // mask out timer interrupt
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idt_set_entry(0, isr_divide_by_zero, 0x8E);
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idt_set_entry(0x0E, isr_page_fault, 0x8E);
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idt_set_entry(0x0D, isr_general_violation, 0x8E);
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idt_set_entry(46, isr_ata_primary, 0x8E);
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__asm__ volatile("sti");
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memory_init();
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keyboard_init();
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terminal_init();
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while (1)
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;
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}
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