From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10596 invoked by alias); 23 Feb 2010 09:58:38 -0000 Received: (qmail 10579 invoked by uid 22791); 23 Feb 2010 09:58:36 -0000 X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,SARE_FREE_WEBM_RuMail X-Spam-Check-By: sourceware.org Received: from mx71.mail.ru (HELO mx71.mail.ru) (94.100.176.85) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 23 Feb 2010 09:58:32 +0000 Received: from [79.134.90.104] (port=40904 helo=rain) by mx71.mail.ru with asmtp id 1NjrXA-000And-00; Tue, 23 Feb 2010 12:58:28 +0300 Received: by rain (nbSMTP-1.00) for uid 1000 dushistov@mail.ru; Tue, 23 Feb 2010 13:01:05 +0300 (MSK) Date: Tue, 23 Feb 2010 09:58:00 -0000 From: Evgeniy Dushistov To: John Dallaway Cc: Daniel Helgason , eCos Maintainers , Martin Laabs Subject: Re: Getting Atmel AT91SAM9 into eCos Message-ID: <20100223100104.GA15310@rain> References: <1266877649.3024.105.camel@localhost.localdomain> <4B839F37.50904@dallaway.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4B839F37.50904@dallaway.org.uk> User-Agent: Mutt/1.5.20 (2009-06-14) Mailing-List: contact ecos-maintainers-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: ecos-maintainers-owner@ecos.sourceware.org X-SW-Source: 2010-02/txt/msg00008.txt.bz2 On Tue, Feb 23, 2010 at 09:26:15AM +0000, John Dallaway wrote: > Hi Daniel, Evgeniy and eCos maintainers > > Daniel Helgason wrote: > > > I have seen many messages on the eCos mailing lists about getting > > AT91SAM9 support into eCos. I'm writing directly to you in hopes of > > getting some movement on this. I know this is off the mailing list but I > > wanted to get initial input directly from people whose opinions I have > > come to respect before I add yet another message to the mailing list > > about this subject. > > [ snip ] > > > If there was ever a time to consider pushing the AT91SAM9 devices into > > eCos, this could be it! I am asking you for your thoughts on how to > > proceed from here. Thanks! > > I am not an expert on ARM7/ARM9 differences but there are several eCos > maintainers who have experience with multiple ARM variants and are well > positioned to review the AT91SAM9 patch. I do not think motivation > should be an issue here. We all wish to see eCos move forward and > AT91SAM9 support is clearly very good for the project. > > My main concern is that we don't break eCos support for older ARM > platforms in the process of improving the hardware abstraction for > future platform ports. > Actually, I and Filip Navara implemented AT91SAM7X and at91sam9263 support for qemu, one of the most recent version can be found here: git://github.com/Dushistov/qemu_at91sam9263.git It can run linux, freertos, ecos. So if there is interest, I can create binaries of qemu for linux OS, so maintainers who have sam7 hardware, but have no sam9, or vice versa, or completly have no development boards can run and test eCos. -- /Evgeniy