From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:54797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RCw8Z-0000Nt-19 for qemu-devel@nongnu.org; Sun, 09 Oct 2011 12:22:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RCw8X-00031v-Q5 for qemu-devel@nongnu.org; Sun, 09 Oct 2011 12:22:03 -0400 Received: from mail-vx0-f173.google.com ([209.85.220.173]:43550) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RCw8X-00031q-JA for qemu-devel@nongnu.org; Sun, 09 Oct 2011 12:22:01 -0400 Received: by vcbfl10 with SMTP id fl10so4895637vcb.4 for ; Sun, 09 Oct 2011 09:22:00 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Sun, 9 Oct 2011 18:22:00 +0200 Message-ID: From: Francis Moreau Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Qemu-devel] Is realview-pb-a8 fully supported ? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: qemu-devel@nongnu.org On Sun, Oct 9, 2011 at 2:51 PM, Peter Maydell wrote: > On 9 October 2011 13:06, Francis Moreau wrote: >> On Sun, Oct 9, 2011 at 12:48 PM, Peter Maydell wrote: >>> On 9 October 2011 09:28, Francis Moreau wrote: >>>> I'm trying to use qemu to emulate the ARM realview-pb-a8 and more >>>> specifically I'd like to boot using the SD interface. >>>> >>>> However it looks like some devices are not emulated at all on this >>>> platform. >>> >>> Correct; not all devices are emulated. > >> May I suggest to report that a platform is partially supported when >> doing "qemu -M ?" > > I suspect that (in the sense you seem to be using "partially supported") > would cover almost all the platforms QEMU supports. Device and board > modelling is not trivial, and the typical state is that devices may be > missing, or have unimplemented features, or have bugs. > > The platform is supported in the sense that if you report regressions > (ie things that used to work and have broken) I will look at them, and > if you submit patches to improve it I will review them. > Ok. >> However, those are still missing: >> >> amba_device_register failed to register dev:smc >> amba_device_register failed to register dev:sctl >> amba_device_register failed to register dev:wdog >> amba_device_register failed to register dev:sci0 >> amba_device_register failed to register dev:ssp0 >> amba_device_register failed to register fpga:aaci > > Do you actually *need* these devices? Not really, but it took me some times to realize why booting from SD interface did work with qemu. So I prefered asking to avoid been hit by another missing devices later. > If so, you're > going to need to model them. (except "fpga:aaci", which > is the PL041 audio; there are patches going through review > for that currently.) But in general Linux will quite happily > boot even if some of the minor devices are missing. > >> In your opinion, which plateform should I use to get a fully supported >> platform based on ARMv7 cpu ? > > I would recommend vexpress-a9 over realview-pb-a8 simply because > it's newer; nobody cares much about pb-a8 hardware any more. > The actual level of support (in terms of which devices are > present and how fully featured they are) is about the same, though. > Ok, I'll use this platform from now. Thanks for your advices. -- Francis