Specifically:

http://code.swtch.com/plan9port/changeset/3095
http://code.swtch.com/plan9port/changeset/3102
http://code.swtch.com/plan9port/changeset/3103
http://code.swtch.com/plan9port/changeset/3104
http://code.swtch.com/plan9port/changeset/3110
http://code.swtch.com/plan9port/changeset/3121

That should cover the bulk of the Plan 9 libraries
and commands but omits the kernel.

Russ