>He also said that the code will be soon available after
>cleaning up.

The source code is available at ftp://nandra.iri.co.jp/pub/NetBSD/powermac/
now.  It is based on NetBSD-1.3.

This is boot message:

Open Firmware, 1.0.5
To continue booting the MacOS type:
BYE<return>
To continue booting from the default boot device type:
BOOT<return>
 ok
0 > boot 
>> NetBSD/powerpc OpenFirmware Boot, Revision 1.3
>> (tsubai@ruri, Tue Jan 27 20:36:27 JST 1998)
Booting scsi/sd@0/netbsd
673268@0x100000+63016@0x1a45f4 
 start=0x100000
Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 1.3 (PM) #19: Thu Jan 29 21:40:56 JST 1998
    tsubai@ruri:/a/w/ppc/NetBSD/src/sys/arch/powermac/compile/PM
CPU: 604ev (Revision 202)
real mem = 67108864
avail mem = 60350464
using 819 buffers containing 3354624 bytes of memory
mainbus0 (root)
ofroot0 at mainbus0
ofbus0 at ofroot0 (PowerPC,604)
l2-cache at ofbus0 not configured
memory at ofroot0 not configured
AAPL,ROM at ofroot0 not configured
ofbus1 at ofroot0 (bandit)
ofbus2 at ofbus1 (gc)
ofbus3 at ofbus2 (53c94)
ofdisk0 at ofbus3 (sd)
st at ofbus3 not configured
mace at ofbus2 not configured
ofbus4 at ofbus2 (escc)
ofcons0 at ofbus4 (ch-a)
ch-b at ofbus4 not configured
awacs at ofbus2 not configured
ofdisk1 at ofbus2 (swim3)
ofbus5 at ofbus2 (via-cuda)
ofbus6 at ofbus5 (adb)
keyboard at ofbus6 not configured
mouse at ofbus6 not configured
pram at ofbus5 not configured
ofrtc0 at ofbus5 (rtc): rtc
power-mgt at ofbus5 not configured
ofbus7 at ofbus2 (mesh)
ofdisk2 at ofbus7 (sd)
st at ofbus7 not configured
nvram at ofbus2 not configured
ATY,mach64 at ofbus1 not configured
ofbus8 at ofroot0 (bandit)
boot device: <unknown>
root device: ofdisk0a
dump device (default ofdisk0b): 
file system (default generic): 
root on ofdisk0a dumps on ofdisk0b
mountroot: trying ffs...
root file system type: ffs
init: copying out path `/sbin/init' 11
swapctl: adding /dev/wd0b as swap device at priority 0
Automatic boot in progress: starting file system checks.
/dev/rwd0a: file system is clean; not checking
/etc/rc.conf is not configured. Multiuser boot aborted.
Enter pathname of shell or RETURN for sh: 
Don't login as root, use the su command.
#