From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1L3JAM-00006K-KU for qemu-devel@nongnu.org; Thu, 20 Nov 2008 18:42:30 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1L3JAK-00005w-5y for qemu-devel@nongnu.org; Thu, 20 Nov 2008 18:42:29 -0500 Received: from [199.232.76.173] (port=34423 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L3JAJ-00005q-TR for qemu-devel@nongnu.org; Thu, 20 Nov 2008 18:42:27 -0500 Received: from mail-gx0-f17.google.com ([209.85.217.17]:59654) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1L3JAJ-0005ti-9s for qemu-devel@nongnu.org; Thu, 20 Nov 2008 18:42:27 -0500 Received: by gxk10 with SMTP id 10so1217937gxk.10 for ; Thu, 20 Nov 2008 15:42:25 -0800 (PST) Message-ID: Date: Thu, 20 Nov 2008 17:42:25 -0600 From: "Hollis Blanchard" Sender: slightlyunconventional@gmail.com Subject: Re: [Qemu-devel] PowerPC 4xx EMAC emulation MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: salvatorelionetti@yahoo.it Cc: qemu-devel@nongnu.org Hi Salvatore, how is this going? Have you updated your EMAC patch for the latest qemu source? If so, I may be able to test it with Linux and my Bamboo board emulation patches. -Hollis On Mon, Nov 3, 2008 at 5:02 AM, Salvatore Lionetti wrote: > Hi, > > thanks for trustworth toward me! > > As i said in previous email, i decide to test u-boot emac driver. > Actually: > - uboot cross compile and make process generates an image for walnut boar= d > - qemu load such image but stop executing during board init > > Next step i'm doing is to build a new board in u-boot (possibly linking t= he configuration of qemu machine with u-boot, but with low priority) and ve= rify emac/mal layer. > > The link you give is about 'Sycamore' board, also support by u-boot. > Thanks for this info, i'll try the most 'simple' board to give feedback A= SAP. > > Have a good day > > --- Ven 31/10/08, Hollis Blanchard ha scritto: > >> Da: Hollis Blanchard >> Oggetto: Re: [Qemu-devel] TCG on PowerPC arch >> A: salvatorelionetti@yahoo.it >> Cc: qemu-devel@nongnu.org >> Data: Venerd=EC 31 ottobre 2008, 15:44 >> To summarize, you're saying that the only way you're >> able to test the >> EMAC patch is with a custom firmware you can't make >> public? Obviously >> that's not ideal, but I think some EMAC emulation is >> better than none >> at all, so IMHO that shouldn't necessarily block your >> patch. >> >> The problem I had when trying to test qemu's 405 >> emulation was that >> Linux needed firmware to load it, and no 405 firmware is >> distributed >> with qemu. At the time, Jocelyn claimed we could download a >> binary >> uboot image from AMCC, but that didn't actually work. >> (I think we >> ended up using >> http://www.amcc.com/Embedded/Downloads/download.html?item=3D129&start=3D= y). >> This was probably a year ago, so details are fuzzy now. >> >> However, if you have access to a 440 board, you could use >> KVM >> (http://kvm.qumranet.com/kvmwiki/PowerPc) to boot a guest >> kernel with >> the EMAC driver and test that way. Qemu's instruction >> emulation >> doesn't support 440, but KVM implements all the >> instruction emulation >> itself and does run on 440. >> >> Anyways, I definitely think it's worthwhile to update >> your patch to current SVN. >> >> -Hollis >> >> On Thu, Oct 30, 2008 at 3:53 AM, Salvatore Lionetti >> wrote: >> > Hi Hollis, >> > >> > please excuse me, but i can't release my firmware >> (based on OSE) >> > If you agree, i'd like to >> > - catch svn status to test emac for my 405 based >> board, custom fw >> > - compile a linux kernel for ppc405 cpu, with emac >> driver >> > (i've trying eCos but no emac driver :(0) >> > >> > For first step actually have some pb with proxy >> script. >> > The second one is not strictly depend on me, but >> 'm very glad if anybody do it. Moreover emac driver in >> our custom firmware only used reversed mii, and is not well >> written code! so however i'd like to use another os. >> > Moreover the emac device is tested only with such >> driver so i expect some pb during porting, so excuse in >> advance if some pb could arise. >> > >> > Have a good day >> > Salvatore >> > >> > --- Mer 29/10/08, Hollis Blanchard >> ha scritto: >> > >> >> Da: Hollis Blanchard >> >> Oggetto: Re: [Qemu-devel] TCG on PowerPC arch >> >> A: qemu-devel@nongnu.org >> >> Cc: salvatorelionetti@yahoo.it >> >> Data: Mercoled=EC 29 ottobre 2008, 16:15 >> >> On Tue, Oct 28, 2008 at 3:41 PM, Andreas F=E4rber >> >> wrote: >> >> > >> >> > How did you actually use and test your eMac >> emulation? >> >> I assume you did not >> >> > use a PReP Linux kernel for that? If you >> could provide >> >> some details, that >> >> > might help with testing the TCG conversion >> too. >> >> >> >> (Just in case there's any confusion, EMAC is >> the name >> >> for the ethernet >> >> controller on IBM's 405- and 440-based SoCs, >> not to be >> >> confused with >> >> Apple's eMac product.) >> >> >> >> Salvatore, did you use a 405 Linux kernel with the >> EMAC >> >> driver to test >> >> this patch? If so, how exactly did you boot? What >> did you >> >> do for >> >> firmware? >> >> >> >> -Hollis >> > >> > >> > Unisciti alla community di Io fotografo e video, >> il nuovo corso di fotografia di Gazzetta dello sport: >> > http://www.flickr.com/groups/iofotografoevideo >> > > > > Unisciti alla community di Io fotografo e video, il nuovo corso di f= otografia di Gazzetta dello sport: > http://www.flickr.com/groups/iofotografoevideo >