From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 773FCDDFEE for ; Sat, 24 Jan 2009 05:42:10 +1100 (EST) Message-ID: <497A0F78.8000600@freescale.com> Date: Fri, 23 Jan 2009 12:42:00 -0600 From: Scott Wood MIME-Version: 1.0 To: Johns Daniel Subject: Re: Common kernel image for e300 and e500v2 References: <4979EE74.6040306@freescale.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Johns Daniel wrote: > Thank you for that piece of info, Scott! > > May I expand the question one bit, and ask whether the user-mode > binaries compiled for the e300 will generally work for the e500 -- or, > vice versa? Is one choice safer than the other? > > I know for sure that we take a big hit on floating-point ops, but are > there other things I am not considering? It should work, though as you note floating point will have to be emulated (make sure your kernel supports it); better would be to compile as soft-float. Also avoid string instructions. -Scott