Re: How does an x86 CPU swtich from 16 to 32bit mode?
Posted on 2017-01-07, 01:45
You do not need INT 10h to put pixels on the screen. If the OS switches to PM then they will need to provide the equivalent of all those interrupts. Setting up a good IDT is required as part of switching to PM. Also think about the IRQs. You would need to have interrupts set up for those as well. …