From owner-freebsd-alpha@FreeBSD.ORG Fri May 19 16:54:01 2006 Return-Path: X-Original-To: alpha@freebsd.org Delivered-To: freebsd-alpha@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C25916A421; Fri, 19 May 2006 16:54:01 +0000 (UTC) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (gate.funkthat.com [69.17.45.168]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0AA9443D46; Fri, 19 May 2006 16:54:00 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (dj8gog4u3uhfeki2@localhost.funkthat.com [127.0.0.1]) by hydrogen.funkthat.com (8.13.4/8.13.3) with ESMTP id k4JGrt8v003919; Fri, 19 May 2006 09:53:55 -0700 (PDT) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.13.4/8.13.3/Submit) id k4JGrrlm003918; Fri, 19 May 2006 09:53:53 -0700 (PDT) (envelope-from jmg) Date: Fri, 19 May 2006 09:53:53 -0700 From: John-Mark Gurney To: Peter Jeremy Message-ID: <20060519165353.GA770@funkthat.com> Mail-Followup-To: Peter Jeremy , Wilko Bulte , freebsd-alpha@infopuls.com, alpha@freebsd.org, current@freebsd.org References: <200605111424.04935.jhb@freebsd.org> <20060518101734.4036.qmail@dachs.cyberlink.ch> <20060519082621.GA736@turion.vk2pj.dyndns.org> <20060519094154.GA10634@freebie.xs4all.nl> <20060519111519.GA1587@turion.vk2pj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060519111519.GA1587@turion.vk2pj.dyndns.org> User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 5.4-RELEASE-p6 i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html Cc: alpha@freebsd.org, current@freebsd.org Subject: Re: HEADSUP: Alpha support is being retired in 7.0 X-BeenThere: freebsd-alpha@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: John-Mark Gurney List-Id: Porting FreeBSD to the Alpha List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 May 2006 16:54:02 -0000 Peter Jeremy wrote this message on Fri, May 19, 2006 at 21:15 +1000: > >Well.. if you just count the problems with unaligned accesses etc > >I wonder if SPARC64 fills that gap? I just don't know enough about > >SPARC64 here, mind you. > > SPARC definitely requires aligned accesses. I'm not sure what Sun > did with the SPARC64. The other option is to set the "alignment > checking" bit on i386. We also now have arm and ppc that help fill the aligned access requirements.. And I've done a bit of work with arm to try to make our IP stack more friendly to alignment required machines, and ethernet cards that can't handle special alignment... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."