From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2180 invoked by alias); 12 Dec 2003 15:07:17 -0000 Mailing-List: contact ecos-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@sources.redhat.com Received: (qmail 2173 invoked from network); 12 Dec 2003 15:07:16 -0000 Received: from unknown (HELO hermes.chez-thomas.org) (63.225.98.241) by sources.redhat.com with SMTP; 12 Dec 2003 15:07:16 -0000 Received: by hermes.chez-thomas.org (Postfix, from userid 2000) id 66BEA50D8AE; Fri, 12 Dec 2003 08:07:16 -0700 (MST) Received: from localhost (localhost.localdomain [127.0.0.1]) by hermes.chez-thomas.org (Postfix) with ESMTP id 4522B50D8AD; Fri, 12 Dec 2003 08:07:15 -0700 (MST) From: Gary Thomas To: nprasad3@gmu.edu Cc: ecos-discuss@sources.redhat.com In-Reply-To: <8f0858fa6a.8fa6a8f085@gmu.edu> References: <8f0858fa6a.8fa6a8f085@gmu.edu> Content-Type: text/plain Organization: MLB Associates Message-Id: <1071241634.1942.344.camel@hermes> Mime-Version: 1.0 Date: Fri, 12 Dec 2003 15:08:00 -0000 Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=-6.8 required=5.0 tests=AWL,BAYES_01,EMAIL_ATTRIBUTION,IN_REP_TO,QUOTED_EMAIL_TEXT, REFERENCES,REPLY_WITH_QUOTES,USER_AGENT_XIMIAN autolearn=ham version=2.55 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) Subject: Re: [ECOS] MPC860 eCos application X-SW-Source: 2003-12/txt/msg00199.txt.bz2 On Fri, 2003-12-12 at 07:56, nprasad3@gmu.edu wrote: > Gary, > > I started with a clean build for libTarget (setup startup > configuration as RAM) but it seems to be always picking > up the _rom.ldi file (_ram.ldi looks a > bit different and has no rom section). I have verified > my .cdl file several times but for some strange reason > during build the wrong .ldi file is included. > > The configtool gui shows that it will use _ram.ldi > but still _rom.ldi contents show up in target.ld What does "clean build" mean? Try starting absolutely fresh, in a new directory, etc. See the earlier thread today labeled "Re: [ECOS] Run Redboot from flash" for details on how to do this. > > ----- Original Message ----- > From: Gary Thomas > Date: Thursday, December 11, 2003 11:08 pm > Subject: Re: [ECOS] MPC860 eCos application > > > On Thu, 2003-12-11 at 18:55, nprasad3@gmu.edu wrote: > > > Hi, > > > > > > I have redboot working and i'm trying to write a simple > > application (just prints Hello eCos World!) but I seem to be > > missing something as redboot fails to load default .srec with the > > following message: > > > > > > *** Abort! Attempt to load S-record to address: 0xfff00000, > > which is not in RAM > > > > > > 1. Built libtarget.a (Work with ROM Monitor, Startup Mode : RAM) > > - target.ld still has references to rom. > > > STARTUP(vectors.o) > > > ENTRY(__exception_reset) > > > INPUT(extras.o) > > > GROUP(libtarget.a libgcc.a libsupc++.a) > > > MEMORY > > > { > > > ram : ORIGIN = 0x00001000, LENGTH = 0x1FFF000 > > > rom : ORIGIN = 0xfff00000, LENGTH = 0x800000 > > > } > > > > > > SECTIONS > > > { > > > .vectors 0xfff00000 : { . = .; KEEP(*(.vectors)) } > rom > > > .. etc (bunch of references to rom) > > > } > > > > > > 2. I modified the target.ld to change rom references to ram, > > [0xfff0000 -> 0x00007050] as redboot message is as [RAM: > > 0x00001000-0x02000000, 0x00007050-0x01fff000 available] and > > redboot loads the .srec file but my application does not run > > (*probably* its just the wrong printf i.e. target.ld is producing > > a copy of the printf whose state is different from the one redboot > > is using). > > > > > > How can I make my application refer to code that's in ROM > > (redboot has the printf which is working) but run from RAM? > > > > Try generating a whole new build tree just for this. Trying to adjust > > one from ROM to RAM mode is error-prone. > > > > -- > > Gary Thomas > > MLB Associates > > > > > > -- > > Before posting, please read the FAQ: > > http://sources.redhat.com/fom/ecosand search the list archive: > > http://sources.redhat.com/ml/ecos-discuss > > > > > > -- Gary Thomas MLB Associates -- Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos and search the list archive: http://sources.redhat.com/ml/ecos-discuss