At a glance, the code seems reasonably well commented, but it definitely assumes some prior familiarity with x86 hardware. Do you have any specific questions?

At a glance, the code seems reasonably well commented, but it definitely assumes some prior familiarity with x86 hardware. Do you have any specific questions? If not, the OSDev.org wiki is a pretty good starting point: https://wiki.osdev.org/Expanded_Main_Page https://wiki.osdev.org/Expanded_Main_Page