Espresso/drivers/irq.c

#include <stdio.h>
#include <drivers/ps2_keyboard.h>
#include <drivers/pit.h>

#include <drivers/irq.h>

irq_func_t func_list[64];

void irq_init(void)
{
  set_irq_handler(0, (irq_func_t*)pit_handler);
  set_irq_handler(1, (irq_func_t*)keyboard_handler);
}

void irq_handler(uint8_t irq_number)
{
  if (irq_number < 64 && func_list[irq_number])
  {
    func_list[irq_number]();
  }
}

void set_irq_handler(uint32_t num, irq_func_t* handler)
{
  if (num < 64)
  {
    func_list[num] = (irq_func_t)handler;
  }
}