From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from tango.tkos.co.il ([62.219.50.35]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1PzC78-0002Qz-Fs for barebox@lists.infradead.org; Mon, 14 Mar 2011 18:03:32 +0000 Date: Mon, 14 Mar 2011 20:03:38 +0200 From: Baruch Siach Message-ID: <20110314180338.GA1950@nataf.siach.name> References: <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B01165@SRV-VS06.TELEVIC.COM> <20110308054006.GA22012@jasper.tkos.co.il> <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B011E5@SRV-VS06.TELEVIC.COM> <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B0120B@SRV-VS06.TELEVIC.COM> <20110308112217.GD22012@jasper.tkos.co.il> <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B01280@SRV-VS06.TELEVIC.COM> <20110308180836.GA2677@tarshish> <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B012BB@SRV-VS06.TELEVIC.COM> <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B01573@SRV-VS06.TELEVIC.COM> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B01573@SRV-VS06.TELEVIC.COM> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: test app To: Vanalme Filip Cc: "barebox@lists.infradead.org" Hi Vanalme, On Mon, Mar 14, 2011 at 03:55:29PM +0100, Vanalme Filip wrote: > Hi, > = > Would I have to change a lot if I would like to use standard libraries (e= .g. = > stdio for printf and sprint) in my test app ? For printf you may use a standalone implementation, and just provide a putc= () = routine. See the following implementations: http://www.sparetimelabs.com/tinyprintf/index.html http://www.menie.org/georges/embedded/ baruch > > -----Original Message----- > > From: barebox-bounces@lists.infradead.org [mailto:barebox- > > bounces@lists.infradead.org] On Behalf Of Vanalme Filip > > Sent: woensdag 9 maart 2011 9:29 > > To: Baruch Siach > > Cc: barebox@lists.infradead.org > > Subject: RE: test app > > = > > > -----Original Message----- > > > From: Baruch Siach [mailto:baruch@tkos.co.il] > > > Sent: dinsdag 8 maart 2011 19:09 > > > To: Vanalme Filip > > > Cc: barebox@lists.infradead.org > > > Subject: Re: test app > > > > > > Hi Vanalme, > > > > > > On Tue, Mar 08, 2011 at 04:52:49PM +0100, Vanalme Filip wrote: > > > > Compiling and linking seems to work well now. When I dump the .elf,= I see > > > > that the start address is 0xA7E00000. That's what I wanted. > > > > However, when loading the app in ram and executing it, I see that i= t tries to > > start > > > from 0xA0000000 (this is the base address of the RAM section) : > > > > > > > > barebox:/test tftp testapp.bin > > > > TFTP from server 10.0.48.80 ('testapp.bin' -> 'testapp.bin') > > > > > > > > barebox:/test cp testapp.bin /dev/ram0 > > > > barebox:/test go /dev/ram0 > > > > ## Starting application at 0xA0000000 ... > > > > ?=B6/=FF'.e=A2=D3=F8=AD=F1_ > > > > > > > > _=F8=FD=E0=F5=D2=FF=A0=EFO > > > > =FFO=FF=F0z=FE=F0=F6=E0=FE=A0A'}=AE=FF > > > > =F9=FD"=F5=FF?O=BFPP=BC@Y > > > > }=B8m > > > > =D7=B4=EF@=EF=F0x`G-/ > > > > > > > > > > > > Should I specify an address when executing 'go' or 'cp' ? Isn't it = loading the > > app > > > always at the beginning of the RAM space, i.e. 0xA0000000 ? > > > > > > Is 0xA0000000 the beginning of you external RAM? > > = > > = > > [Filip] yes. > > I meanwhile adjusted Makefile and test app source code to start from ad= dress > > 0xA0000000. This seem to work well. My test app is running now. > > Because it's just a test app, I think it's OK to put it at the beginnin= g of the external > > RAM (so at address 0xA0000000). No use in trying to move it to another = region in > > the external RAM, is it ? > > = > > > > > > Note that in my example I used /dev/sram0 (on-chip 128K SRAM), not /d= ev/ram0 > > > (external DDR2 RAM). > > > > > > baruch > > > > > = > > [Filip] If I'm right (have to verify though), i.MX27 does not have any = SRAM on > > board. So, I guess external RAM will be the only option. Because the te= st app > > resides in the external RAM, it won't be possible to test the whole RAM= . But I think > > we can live with that limitation. > > = > > Thanks ! > > = > > Filip -- = ~. .~ Tk Open Systems =3D}------------------------------------------------ooO--U--Ooo------------= {=3D - baruch@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox