Graeme Russ wrote:
A quick update - I think I'm getting even closer.
Did you get some traction on the mkelfImage path too?
U-Boot had some primitive BIOS Interrupt Service Routines and a Real Mode bootstrap
..
So far I have seen instances of IRQ15, IRQ16 and IRQ10
Sounds like the kernel is running then.
Digging deeper...
arch/x86/boot/header.S calls arch/x86/boot/main.c
//Peter