// Send ICW1 (select OCW1 + will send ICW4)
outb(0x11, PORT_PIC1_CMD);
outb(0x11, PORT_PIC2_CMD);
// Send ICW2 (base irqs: 0x08-0x0f for irq0-7, 0x70-0x77 for irq8-15)
// Send ICW1 (select OCW1 + will send ICW4)
outb(0x11, PORT_PIC1_CMD);
outb(0x11, PORT_PIC2_CMD);
// Send ICW2 (base irqs: 0x08-0x0f for irq0-7, 0x70-0x77 for irq8-15)