Peter J. Philipp <p...@centroid.eu> wrote: > Hi, > > This week I bought a used G5 PowerMac7,3 with 4 GB RAM and dual > PowerPC 970FX cpu's. I didn't buy it because I miss the macppc all > that much but because I want to test the water of creating a 64 bit > port that goes onward to perhaps support IBM POWER5+ CPU's. It seems > Linux and FreeBSD are already there or on their way. > > Since I'm a fan of OpenBSD I want an OpenBSD 64 bit Power(PC) port, > and asking if anyone has experience to make this happen? What are > hints that you can give? Is it possible to just port over FreeBSD's > low kernel routines and get OpenBSD/powerpc64 working that way? > > My use of OpenBSD/powerpc goes back to 2.9/3.0 days (when the macppc > port came), I had some time then and created some manpages for Dale > Rahn for the macppc system (which are probably in the attic by now). > I love working with kernel code but I largely don't know what I'm > doing. My programming experience is limited, I program a DNS > authoritative server. > > At my last job I was an AIX sysadmin (in training) and worked on a > POWER 7 machine running AIX 7.2. I left that job though so I can't > use that hardware to test a 64 bit port. It left an impression on me > though.
60% of the work is in pmap.c, 20% of the work in trap.c, and 20% of the work is elsewhere.