Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!uxc!uxc.cso.uiuc.edu!mcdurb!aglew
From: aglew@mcdurb.Urbana.Gould.COM
Newsgroups: comp.arch
Subject: Re: Message queues
Message-ID: <28200308@mcdurb>
Date: 8 May 89 15:09:00 GMT
References: <279@celit.UUCP>
Lines: 10
Nf-ID: #R:celit.UUCP:279:mcdurb:28200308:000:411
Nf-From: mcdurb.Urbana.Gould.COM!aglew    May  8 10:09:00 1989


>Has anyone seen/heard of an architecture which aided kernel message passing by
>supplying hardware message queues for *fast* message queueing and dequeueing?
>/*    Jim Hutchison   		{dcdwest,ucbvax}!ucsd!celerity!hutch  */

ELXSI is the current best example.

Gould had firmware message queue instructions in a regular memory.
I posted about this recently, although it may have gotten lost
in the SL/cik war.