From owner-freebsd-arm@FreeBSD.ORG Sun Nov 12 23:31:40 2006 Return-Path: X-Original-To: arm@freebsd.org Delivered-To: freebsd-arm@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 63D0316A4F8; Sun, 12 Nov 2006 23:31:40 +0000 (UTC) (envelope-from mlfbsd@dong.ci0.org) Received: from dong.ci0.org (cognet.ci0.org [80.65.224.102]) by mx1.FreeBSD.org (Postfix) with ESMTP id DDF1B43DEA; Sun, 12 Nov 2006 23:30:37 +0000 (GMT) (envelope-from mlfbsd@dong.ci0.org) Received: from dong.ci0.org (localhost.ci0.org [127.0.0.1]) by dong.ci0.org (8.13.7/8.13.4) with ESMTP id kACNiCPP013043; Mon, 13 Nov 2006 00:44:12 +0100 (CET) (envelope-from mlfbsd@dong.ci0.org) Received: (from mlfbsd@localhost) by dong.ci0.org (8.13.7/8.13.4/Submit) id kACNiC6T013042; Mon, 13 Nov 2006 00:44:12 +0100 (CET) (envelope-from mlfbsd) Date: Mon, 13 Nov 2006 00:44:12 +0100 From: Olivier Houchard To: Nicholas Clark Message-ID: <20061112234412.GA12998@ci0.org> References: <20061112142710.GE91556@wombat.fafoe.narf.at> <20061112133929.9194773068@freebsd-current.sentex.ca> <20061112140010.GA47660@rambler-co.ru> <20061112144230.GC2331@kobe.laptop> <20061112145151.GC49703@rambler-co.ru> <20061112151150.GA2988@kobe.laptop> <84dead720611120758r4f1cc6e8l8ca4432ba56f3f7f@mail.gmail.com> <20061112170711.GQ6501@plum.flirble.org> <20061112233434.GA12739@ci0.org> <20061112232742.GU6501@plum.flirble.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061112232742.GU6501@plum.flirble.org> User-Agent: Mutt/1.4.1i Cc: arm@freebsd.org, Giorgos Keramidas , Joseph Koshy , current@freebsd.org Subject: Re: [head tinderbox] failure on arm/arm X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Nov 2006 23:31:40 -0000 On Sun, Nov 12, 2006 at 11:27:42PM +0000, Nicholas Clark wrote: > On Mon, Nov 13, 2006 at 12:34:34AM +0100, Olivier Houchard wrote: > > > No, we're not using the mixed endian IEEE 64bits representation. We're > > defaulting to softfloat VFP. What would be te point of switching ? > > >From my limited understanding of these things (mostly observing on the > ARM Linux lists) absolutely none. The mixed endian IEEE representation > is a complete pain, I'm unaware of any reason why it was chosen over a > conventional little endian representation (probably back some time in > 1987). > I thought so :) I think FPA is used for historical reasons, because that's what some older arm cpus used when they had a FPU. And of course using a kernel FPE was a great idea for linux too. Olivier