Re: 32 bit ARM guest on aarch64 host

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On 02/28/2016 11:38 PM, Dennis Gilmore wrote:
> On 2016-02-27 11:59, Richard W.M. Jones wrote:
>> On Sat, Feb 27, 2016 at 10:45:55AM -0600, Dennis Gilmore wrote:
>>> On Saturday, February 27, 2016 03:44:04 PM Richard W.M. Jones wrote:
>>> > On Sat, Feb 27, 2016 at 01:33:26PM +0000, Richard W.M. Jones wrote:
>>> > > Should I try a newer guest?  I am going to try updating to Fedora 23.
>>> >
>>> > Same thing.
>>> >
>>> > Attached is the qemu command line.  In this run I'm using some
>>> > hand-constructed XML, not 'virt-install --import' as before, but AFAIK
>>> > all important options are the same.
>>> >
>>> > Rich.
>>> It is currently not possible to boot a 32 bit arm vm without an external
>>> kernel and initrd. I have played with having a u-boot that will work. But
>>> right now you would need to construct the guest to match the specs hardcoded
>>> into u-boot. It is a problem that needs to be solved
>>
>> Thanks Dennis.  When you say you've played with u-boot, does that mean
>> booting with an external u-boot binary?  That would be a considerable
>> improvement over external kernel.
>>
>> Rich.
> Yes I have used u-boot as a kernel. its very rough and not really a good
> experience, at least in that you have to configure the vm the same as u-boot
> was built.

There's uboot builds that work with qemu + arm vexpress, courtesy of Gerd:

http://blog.wikichoon.com/2014/11/booting-fedora-21-arm-with-qemu-and-u.html

But uboot isn't going to work with qemu-system-arm -M virt because uboot
doesn't have any virtio support

- Cole
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