From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 13 Oct 2003 21:49:19 +0100 (BST) Received: from p508B65AB.dip.t-dialin.net ([IPv6:::ffff:80.139.101.171]:57755 "EHLO dea.linux-mips.net") by linux-mips.org with ESMTP id ; Mon, 13 Oct 2003 21:49:16 +0100 Received: from dea.linux-mips.net (localhost [127.0.0.1]) by dea.linux-mips.net (8.12.8/8.12.8) with ESMTP id h9DKn9NK025630; Mon, 13 Oct 2003 22:49:09 +0200 Received: (from ralf@localhost) by dea.linux-mips.net (8.12.8/8.12.8/Submit) id h9DKn7Q7025629; Mon, 13 Oct 2003 22:49:07 +0200 Date: Mon, 13 Oct 2003 22:49:06 +0200 From: Ralf Baechle To: Geert Uytterhoeven Cc: Thomas Horsten , "Liu Hongming (Alan)" , Linux/MIPS Development Subject: Re: need help on unaligned loads,stores! Message-ID: <20031013204906.GA21100@linux-mips.org> References: <200310131927.07171.thomas@horsten.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i 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: 3429 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 Mon, Oct 13, 2003 at 09:34:07PM +0200, Geert Uytterhoeven wrote: > I guess Liu meant the (patented) instructions to do explicit unaligned > accesses. Real MIPS CPUs do support these. That correct. Unfortunately emulating of these instructions in exception handlers would also be covered by the patents, so rewriting which would be rather easy in all cases I can think of is the way to go ... Ralf