From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fed1rmmtao03.cox.net (fed1rmmtao03.cox.net [68.230.241.36]) by ozlabs.org (Postfix) with ESMTP id 2FD3567A83 for ; Fri, 1 Apr 2005 06:11:11 +1000 (EST) Date: Thu, 31 Mar 2005 13:10:44 -0700 From: Matt To: Tom Rini Message-ID: <20050331131044.A29501@cox.net> References: <20050316231800.GD8345@smtp.west.cox.net> <1111171391.2987.24.camel@ad.doubleclick.net> <20050318193045.GM8345@smtp.west.cox.net> <1112286378.24673.252.camel@rhino.az.mvista.com> <20050331163420.GI25923@smtp.west.cox.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20050331163420.GI25923@smtp.west.cox.net>; from trini@kernel.crashing.org on Thu, Mar 31, 2005 at 09:34:21AM -0700 Cc: linuxppc-embedded Linux list Subject: Re: 440EP FPU patch List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Mar 31, 2005 at 09:34:21AM -0700, Tom Rini wrote: > On Thu, Mar 31, 2005 at 09:26:18AM -0700, Wade Farnsworth wrote: > > On Fri, 2005-03-18 at 12:30, Tom Rini wrote: > > > On Fri, Mar 18, 2005 at 01:43:11PM -0500, Jason McMullan wrote: > > > > On Fri, 2005-03-18 at 10:06 -0600, Kumar Gala wrote: > > > > > Can you build your patch for the lopec_defconfig and fix the errors > > > > > associated with enabling altivec. > > > > > > > > > > Looks like you need to include asm/offset.h & asm/page.h in vector.S, > > > > > however there is another build error after that. > > > > > > > > Thanks! That also found a linking bug, fixed in this patch.. Please > > > > double check the call in 'AltiVecUnavalible' in head.S, and the re-load > > > > of 'ctr' at the end of load_up_altivec, as I do not have an AltiVec > > > > machine here. > > > > > > No dice: > > > VFS: Mounted root (nfs filesystem) readonly. > > > Freeing unused kernel memory: 100k init 4k prep > > > floating point used in kernel (task=c03816b0, pc=c000d664) > > > Doing some objdump'ing, that's the start of load_up_altivec. > > > > Hi Jason and Tom, > > > > Has there been any more progress on this patch? > > Sadly no. We got to the point where it was reliably crashing on my > LoPEC (7400), but no time to try and fix it. The problem should show up > on any classic PPC box.. If nobody has time to work on this, then I intend to put Wade's 440EP support in as is (actually, he's planning on resubmitting with some additional changes). When somebody has time, they can redo the patch against that. -Matt