actually, the one I grabbed from an older archive was what I needed, excepting
one define (#define _KERNEL).  Still, curious why it's not in the source tree
or in tarballs.

Quoth Me:
> 
> I just picked up the most recent tarball of sys.tar.gz (and include.tar.gz
> while I was at it), with the intent of giving kernel compilation yet 
> another College Try.  this time I was foiled early in the game;  
> sys/arch/pmax/pmax/genassym.c isn't there.  The Makefile would like it to be
> there, and every other port has it in it's respective arch directory.  I
> grabbed one from an archive of an earlier attempt at compiling a kernel, 
> but no dice.  

-- 
Nathan Parrish
Computing Center of Virginia Tech
(540)231-9500