From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 03 Feb 2010 20:15:29 +0100 (CET) Received: from dns1.mips.com ([63.167.95.197]:48920 "EHLO dns1.mips.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1492715Ab0BCTPR (ORCPT ); Wed, 3 Feb 2010 20:15:17 +0100 Received: from MTVEXCHANGE.mips.com ([192.168.36.60]) by dns1.mips.com (8.13.8/8.13.8) with ESMTP id o13JF6cE009952; Wed, 3 Feb 2010 11:15:06 -0800 Received: from [192.168.65.41] ([192.168.65.41]) by MTVEXCHANGE.mips.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 3 Feb 2010 11:15:06 -0800 Message-ID: <4B69CB39.1090504@mips.com> Date: Wed, 03 Feb 2010 11:15:05 -0800 From: Chris Dearman Organization: MIPS Technologies User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: "Anoop P.A." CC: Ralf Baechle , linux-mips@linux-mips.org Subject: Re: Cached Base address difference. References: <1265015455-32553-1-git-send-email-wuzhangjin@gmail.com> <20100203012934.GA20375@linux-mips.org> <20100203123331.GB20375@linux-mips.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 03 Feb 2010 19:15:06.0228 (UTC) FILETIME=[31CAE340:01CAA505] 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: 25872 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: chris@mips.com Precedence: bulk X-list: linux-mips Anoop P.A. wrote: > Hi Ralf, > > I am sorry if it is not clear from my last mail. > > What I want to convey is, > > "See MIPS Run" explains "window on physical memory (cached)" will start > @ 0x9000_0000_0000_0000. > > You can see "See MIPS Run" page under suspect from this link > http://books.google.co.in/books?id=kk8G2gK4Tw8C&lpg=PP1&dq=see%20mips%20 > run&pg=PA51#v=onepage&q=&f=false > > How ever as you mentioned Linux source defines CAC_BASE > 0x98000000_00000000 The Linux header file is correct; the cached and uncached regions are swapped in the "See MIPS Run" diagram. The full MIPS64 memory map is documented in Volume III of the architecture manual which you can download from http://www.mips.com/products/architectures/mips64/ Chris -- Chris Dearman Desk: +1 408 530 5092 Cell: +1 408 398 5531 MIPS Technologies Inc 955 East Arques Ave, Sunnyvale CA 94085