From owner-freebsd-questions Tue Feb 14 13:54:50 1995 Return-Path: questions-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id NAA13667 for questions-outgoing; Tue, 14 Feb 1995 13:54:50 -0800 Received: from isl.cf.ac.uk (isl-gate.elsy.cf.ac.uk [131.251.22.1]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id NAA13660 for ; Tue, 14 Feb 1995 13:54:46 -0800 Received: (from paul@localhost) by isl.cf.ac.uk (8.6.9/8.6.9) id VAA04834; Tue, 14 Feb 1995 21:54:03 GMT From: Paul Richards Message-Id: <199502142154.VAA04834@isl.cf.ac.uk> Subject: Re: mapping io ports into user space? To: guido@gvr.win.tue.nl (Guido van Rooij) Date: Tue, 14 Feb 1995 21:54:02 +0000 (GMT) Cc: brian@mediacity.com, freebsd-questions@freefall.cdrom.com In-Reply-To: <199502131653.RAA23429@gvr.win.tue.nl> from "Guido van Rooij" at Feb 13, 95 05:53:32 pm X-Mailer: ELM [version 2.4 PL23] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 726 Sender: questions-owner@FreeBSD.org Precedence: bulk In reply to Guido van Rooij who said > > Brian Litzinger wrote: > > > > I'm porting some applications from BSDI 1.1 to FreeBSD 2.0. > > > > A number of the programs use the ioport facility of BSDI 1.1 > > which allows user level access to particular io ports. > > > > There is another mechism in FreeBSD. Just open /dev/io. If that succeeds > you can access all io ports. Maybe we should implement ioport since we should try and make ourselves fully compatible with BSDI. -- Paul Richards, FreeBSD core team member. Phone: +44 1222 874000 x6646 (work), +44 1222 457651 (home) Dept. Mechanical Engineering, University of Wales, College Cardiff. Internet: paul@FreeBSD.org, JANET(UK): RICHARDSDP@CARDIFF.AC.UK