On Thu, Aug 29, 2013 at 2:53 PM, <rew...@declaratino.com> wrote: > > >> -------- Original Message -------- >> Subject: Re: [OE-core] [oe-core] QEMU with ARM Cortex A9 with hard float >> configuration - Kernel panic >> From: Elvis Dowson <elvis.dow...@gmail.com> >> Date: Thu, August 29, 2013 12:28 pm >> To: Bruce Ashfield <bruce.ashfi...@windriver.com> >> Cc: OpenEmbedded Core Mailing List >> <openembedded-core@lists.openembedded.org> >> >> >> On Aug 29, 2013, at 8:23 PM, Bruce Ashfield <bruce.ashfi...@windriver.com> >> wrote: >> >> > On 13-08-29 10:02 AM, Elvis Dowson wrote: >> >> Hi Bruce, >> >> >> >> On Aug 29, 2013, at 4:35 PM, Bruce Ashfield >> >> <bruce.ashfi...@windriver.com> wrote: >> >> >> >>> With that, it's always been a manual setup for me in the past. The >> >>> typical >> >>> workflow is to test them via the usermode NFS boot. Have you given >> >>> that a go ? >> >> >> >> Does yocto have some wrapper script/command to setup nfs boot >> >> automatically >> >> without too much manual configuration? The runqemu and runqemu-internal >> >> scripts seems to indicate that, but haven't tried this before. >> >> >> >> Let me know if it exists! If not, if you could point me to a link that >> >> describes how >> >> to set NFS boot, and use it to load a beagleboard image it would be great! >> > >> > This is supported right out of the box, and it should be documented in >> > the project docs. >> > >> > Search for users-space NFS in >> > http://www.yoctoproject.org/docs/current/adt-manual/adt-manual.html >> >> I saw this, its only for the rootfs. what I've read on the net alluded to >> the fact that you need to have >> xload, uboot and the kernel image on a specific partition inside an sdcard >> image. Those were >> the boot procedures used for the beagleboard using qemu. >> >> This is for -M beagle, with qemu-system-arm. >> >> Anyway, I just need a way to boot vexpress-a9 using QEMU. I'll send a >> private email, with the >> patch to you, so that you can start off from where I left, in terms of >> modifications to poky-master >> and be able to debug the issue directly at your end. > > I actually set up a build to get a vexpress-a15 booting in qemu with > neon support. However, I didn't use the yocto kernel and just pointed at > my own defconfig and kernel version 3.10.7. If it would be helpful for > you, I could put my changes up on github. > > The weirdest thing was if I just used the defconfig that is in the > kernel for vexpress it wouldn't boot, I had to tweak it a bit.
I have a vexpress A15 that works here as well, but I wouldn't mind comparing configs. If you send it along, I'd have a look. I'm not surprised it needed some changes .. when going to qemu mileage varies with in tree defconfigs. Bruce > >> Best regards, >> >> Elvis Dowson >> _______________________________________________ >> Openembedded-core mailing list >> Openembedded-core@lists.openembedded.org >> http://lists.openembedded.org/mailman/listinfo/openembedded-core > _______________________________________________ > Openembedded-core mailing list > Openembedded-core@lists.openembedded.org > http://lists.openembedded.org/mailman/listinfo/openembedded-core -- "Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end" _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core