#include "int.h" #include "../../print.h" #include #include #include int count = 0; void exception_handler() { print_str("I"); } void idt_set_descriptor(uint8_t vector, void* isr, uint8_t flags) { idt_entry_t* descriptor = &idt[vector]; descriptor->isr_low = (uint32_t)isr & 0xFFFF; descriptor->kernel_cs = 0x08; // this value can be whatever offset your kernel code selector is in your GDT descriptor->attributes = flags; descriptor->isr_high = (uint32_t)isr >> 16; descriptor->reserved = 0; } void idt_init() { idtr.base = (uint32_t)&idt[0]; idtr.limit = (uint16_t)sizeof(idt_entry_t) * 256 - 1; for (uint8_t vector = 0; vector < 32; vector++) { idt_set_descriptor(vector, isr_stub_table[vector], 0x8E); isr_stub_table[vector] = true; } __asm__ volatile ("lidt %0" : : "m"(idtr)); // load the new IDT __asm__ volatile ("sti"); // set the interrupt flag }