From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23041 invoked by alias); 14 Jun 2006 21:33:57 -0000 Received: (qmail 23031 invoked by uid 22791); 14 Jun 2006 21:33:56 -0000 X-Spam-Status: No, hits=-3.1 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from londo.lunn.ch (HELO londo.lunn.ch) (80.238.139.98) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 14 Jun 2006 21:33:54 +0000 Received: from lunn by londo.lunn.ch with local (Exim 3.36 #1 (Debian)) id 1Fqczn-0005QJ-00; Wed, 14 Jun 2006 23:33:51 +0200 Date: Wed, 14 Jun 2006 21:33:00 -0000 To: Evgeny Belyanco Cc: ecos-devel@sourceware.org Subject: Re: Intention to Port eCos to STR9 Message-ID: <20060614213351.GC15848@lunn.ch> References: <00c001c68fef$94598bd0$63000a0a@corp.ilxlightwave.com> <20060614210942.GA15848@lunn.ch> <758889.20060615011531@kbkcc.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <758889.20060615011531@kbkcc.ru> User-Agent: Mutt/1.5.11+cvs20060403 From: Andrew Lunn X-IsSubscribed: yes Mailing-List: contact ecos-devel-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Post: List-Help: , Sender: ecos-devel-owner@ecos.sourceware.org X-SW-Source: 2006-06/txt/msg00020.txt.bz2 On Thu, Jun 15, 2006 at 01:15:31AM +0400, Evgeny Belyanco wrote: > Thursday, June 15, 2006, 1:09:42 AM, you wrote: > > AL> STR at the top. The different between the STR7 and STR9 will be the > AL> MMU setup. So maybe it is possible to put the MMU code into the STR9xx > AL> HAL package and have most of the code in the STR HAL package. > > STR9 has no MMU! Oh, interesting. I thought all ARM9 had an MMU. The ARM920T and ARM922T do which is what i have a passing knowledge of. [Goes check the ARM website] ARM926EJ-S has an MMU ARM946E-S has an MPU - Memory Protection Unit ARM966E-S has nothing! ARM968E-S has DMA. DMA? ARM996HS has MPU Andrew