#include <interrupts.h> #include <_stdio.h> #include <alloc.h> #include <ports.h> #include <task.h> #include <timer.h> #include <exceptions.h> #include <irqs.h> IDTR idtr; IDTEntry* entries; void* buffer; void setInterrupt(uint8_t vector, void* callback) { IDTEntry* descriptor = &entries[vector]; descriptor->isr_low = (uint32_t)callback & 0xFFFF; descriptor->codeSegment = 0x08; descriptor->attributes = 0x8E; descriptor->isr_high = (uint32_t)callback >> 16; descriptor->reserved = 0; } void initInterrupts() { buffer = malloc(sizeof(IDTEntry) * 257); entries = (IDTEntry*) (((int) buffer + sizeof(IDTEntry) >> 3) << 3); idtr.limit = sizeof(IDTEntry) * 256 - 1; idtr.base = (uint32_t) entries; setupExceptions(); setupIRQs(); __asm__ volatile ("lidt %0" : : "memory"(idtr)); __asm__ volatile ("sti"); }