From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12118 invoked by alias); 11 May 2005 14:04:05 -0000 Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Received: (qmail 12047 invoked from network); 11 May 2005 14:03:57 -0000 Received: from unknown (HELO hermes.chez-thomas.org) (206.168.96.204) by sourceware.org with SMTP; 11 May 2005 14:03:57 -0000 Received: by hermes.chez-thomas.org (Postfix, from userid 2000) id 5D5C6100044; Wed, 11 May 2005 08:03:55 -0600 (MDT) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by hermes.chez-thomas.org (Postfix) with ESMTP id 659AC100011; Wed, 11 May 2005 08:03:54 -0600 (MDT) From: Gary Thomas To: xinumike-rtos@yahoo.com Cc: eCos Discussion In-Reply-To: <20050511135512.15513.qmail@web42006.mail.yahoo.com> References: <20050511135512.15513.qmail@web42006.mail.yahoo.com> Content-Type: text/plain Date: Wed, 11 May 2005 20:25:00 -0000 Message-Id: <1115820234.31049.82.camel@hermes> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [ECOS] How can I build redboot with no MMU? (8xx based) X-SW-Source: 2005-05/txt/msg00166.txt.bz2 On Wed, 2005-05-11 at 06:55 -0700, xinumike-rtos@yahoo.com wrote: > Gary and Everybody, > > Where should I start to see printf's showing up? > > Will this happen before the MMU? > > I see the SMC enable happen, but have not seen > any data, but of course I crash when I enable > the mmu. These messages will come out on the system console (which is most likely SMC1) and yes of course they happen before the MMU is enabled because they are in the code that sets up the MMU. > > Thanks, > Mike > > > --- Gary Thomas wrote: > > On Wed, 2005-05-11 at 06:26 -0700, > > xinumike-rtos@yahoo.com wrote: > > > I just can't get my board to function after the > > > MMU is enabled. > > > Is there a way to build redboot without the > > > MMU? > > > > This is not wise on the PowerPC. > > > > You should investigate why it's failing when you > > enable the MMU. > > Try putting some 'diag_printf()' messages in the > > function > > 'cyg_hal_map_memory' in > > hal/powerpc/mpc8xx/current/src/var_misc.c -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------ -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss