> Just out of personal curiosity, which PALcode operations does the MILO
> version of the palcode not implement?

There's a PALcode op called "cserve" -- console service.  It's
basically a syscall() equivalent, but for
system-specific/console-specific stuff.  SRM+"Real OSF PALcode"
provides a couple of cserve ops which do interrupt enable and disable,
on at least a couple systypes.  If you don't use them, and frob the
interrupt hardware yourself, you become unable to receive any more
interrupts.  In general, from what I understand, cserve normally
implements console software functionality, but in this case it seems
to be used as an easy way to get a couple of PALcode ops without
intruding in the well-architected PALcode opcode landscape.



cgd