Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764589AbXJEXR3 (ORCPT ); Fri, 5 Oct 2007 19:17:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753265AbXJEXRV (ORCPT ); Fri, 5 Oct 2007 19:17:21 -0400 Received: from cantor2.suse.de ([195.135.220.15]:44677 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751537AbXJEXRU (ORCPT ); Fri, 5 Oct 2007 19:17:20 -0400 From: Andreas Schwab To: Timur Tabi Cc: Anton Altaparmakov , Jan Engelhardt , Linux Kernel Mailing List Subject: Re: __LITTLE_ENDIAN vs. __LITTLE_ENDIAN_BITFIELD References: <4706822D.4070509@freescale.com> <470691EB.7020209@freescale.com> <4706A842.9030507@freescale.com> <4706AD62.6030705@freescale.com> X-Yow: JAPAN is a WONDERFUL planet -- I wonder if we'll ever reach their level of COMPARATIVE SHOPPING... Date: Sat, 06 Oct 2007 01:17:18 +0200 In-Reply-To: <4706AD62.6030705@freescale.com> (Timur Tabi's message of "Fri\, 05 Oct 2007 16\:32\:18 -0500") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1098 Lines: 32 Timur Tabi writes: > Andreas Schwab wrote: >> Timur Tabi writes: >> >>> The CPU shift operation, yes. I'm talking about shift operations on >>> external memory-mapped devices. >> >> That is a property of how the device is wired to the bus. The cpu will >> always put a value of 128 on the bus such that D7 = 1 and D0-D6 = 0. > > Yes, but is D7 on the left or on the right? On the bus there is no left or right. There is only D7 and D0. > that there's no macro that will tell how the lines from the CPU to > external memory are mapped. This is always the same. Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra?e 5, 90409 N?rnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/