Most of the important addresses are listed in the irix headers. With
enough hardware and knowledge you can infer how those addresses are used,
and I belive he also decompiled the o2's irix kernel.
On Wed, 23 May 2001 firstname.lastname@example.org wrote:
> The other day on irc.openprojects.net #mipslinux, someone said that the
> initial O2 port was done using the irix header files to glean enough
> hardware info to make the needed changes. How would this process
> work? Could someone post examples of how parts of the header files
> indicate how to get something else to boot on the hardware?