On Wed, Jul 11, 2012 at 09:17:04AM -0600, Steve Goodrich wrote: > Just a quick question: do these functions (handle_18, handle_19, and do_boot > from boot.c) run in 16-bit mode or in 32-bit mode? The boot phase runs in 32bit mode. See entry_18/entry_19 in romlayout.S. -Kevin