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From: campbell@maynard.UUCP (Larry Campbell)
Newsgroups: net.unix-wizards
Subject: Re: Re: Need help in accessing physical address in Unix
Message-ID: <196@maynard.UUCP>
Date: Tue, 10-Dec-85 06:45:53 EST
Article-I.D.: maynard.196
Posted: Tue Dec 10 06:45:53 1985
Date-Received: Thu, 12-Dec-85 04:37:01 EST
References: <270@moncskermit.oz> <177@daab.UUCP> <612@unisoft.UUCP>
Organization: The Boston Software Works Inc., Maynard, MA
Lines: 14

> 	Someone suggested the PHYS(2) system call for accessing physical
> addresses from user processes. This is a Uniplus 'feature', not a System
> V 'feature'. Don't expect to see it in a port done by someone other than
> Unisoft. (Mind you it is a neat idea, just right for mapping in such things
> as bit mapped graphics, device registers, floating point boards .....)
> 		Paul Campbell
> 		..!ucbvax!unisoft!paul
> 		..!houxj!fafnir!pc

Uh, VENIX also has a PHYS(2) call that seems to do the same thing.
-- 
Larry Campbell                                 The Boston Software Works, Inc.
ARPA: maynard.UUCP:campbell@harvard.ARPA       120 Fulton Street
UUCP: {harvard,cbosgd}!wjh12!maynard!campbell  Boston MA 02109