From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 14 Feb 2003 09:41:42 +0000 (GMT) Received: from mta4-svc.business.ntl.com ([IPv6:::ffff:62.253.164.44]:29641 "EHLO mta4-svc.business.ntl.com") by linux-mips.org with ESMTP id ; Fri, 14 Feb 2003 09:41:41 +0000 Received: from metrowerks.com ([80.1.9.105]) by mta4-svc.business.ntl.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20030214094139.MIYL29609.mta4-svc.business.ntl.com@metrowerks.com>; Fri, 14 Feb 2003 09:41:39 +0000 Message-ID: <3E4CABAA.EB496387@metrowerks.com> Date: Fri, 14 Feb 2003 08:41:14 +0000 From: Stuart Hughes Organization: MetroWerks X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.18 i686) X-Accept-Language: en MIME-Version: 1.0 To: sseeger@stellartec.com CC: 'Jun Sun' , linux-mips@linux-mips.org Subject: Re: NEC VR4181A References: <02c101c2d362$f9e2eed0$3501a8c0@wssseeger> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 1421 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: shughes@metrowerks.com Precedence: bulk X-list: linux-mips Steven Seeger wrote: > > >Osprey uses Vr4181, which is a different chip from vr4181a. > [snip] > >Interesting. I was trying to get RT-Linux working at one time > >but aborted that effort in the middle. > > Getting RTAI working wasn't easy. Took over a week and it was supposedly > already "ported." One of these days I really must find the time to check in > my changes to that project. It works very well and is quite stable. I think > 46 us worst-case interrupt response off one of the VR4181's interrupts from > an external source is very good. > Hi Steve, Can you send what you have (or a patch) to Paolo at the rtai mailing list, then he can merge this in with the existing mips stuff that's in there. Regards, Stuart