From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 24 Jan 2006 13:47:55 +0000 (GMT) Received: from mipsfw.mips-uk.com ([194.74.144.146]:43794 "EHLO bacchus.net.dhis.org") by ftp.linux-mips.org with ESMTP id S8133479AbWAXNra (ORCPT ); Tue, 24 Jan 2006 13:47:30 +0000 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by bacchus.net.dhis.org (8.13.4/8.13.4) with ESMTP id k0ODp10R024803; Tue, 24 Jan 2006 13:51:01 GMT Received: (from ralf@localhost) by denk.linux-mips.net (8.13.4/8.13.4/Submit) id k0ODp1Pa024793; Tue, 24 Jan 2006 13:51:01 GMT Date: Tue, 24 Jan 2006 13:51:01 +0000 From: Ralf Baechle To: Kumba Cc: linux-mips@linux-mips.org Subject: Re: [PATCH]: Add R14K Support (generic) Message-ID: <20060124135101.GD3459@linux-mips.org> References: <20060123230424.GA31197@toucan.gentoo.org> <20060124131741.GA3459@linux-mips.org> <43D62D06.8040602@gentoo.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <43D62D06.8040602@gentoo.org> User-Agent: Mutt/1.4.2.1i 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: 10102 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: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Tue, Jan 24, 2006 at 08:35:02AM -0500, Kumba wrote: > >Afaik it's not as trivial as this. The R14000 has some changes to the FPU > >which seem to require handling. I unfortunately know no details. > > My guess is a lot of the R14K and R16K details are still protected. I > can't find any processor manuals on them. Hopefully, I'll be able to get a > hold of an R14K eventually to figure out just how well this patch works > (maybe it'll reveal enough to see what the FPU does differently). If only > the prices on eVay drop... R10000 and R12000 were available on the market. R14000 was probably more of a custom chip even though it was also being used in HP systems, I think that series was called Himalaya. Probably just nobody bother going through the necessary documentation etc. process to make it a "real" product. Ralf