Re: Xen 4.6, OVMF and arm64

[Wei Liu <wei.liu2@citrix.com>]

On Wed, Oct 14, 2015 at 12:30:15PM +0100, Stefano Stabellini wrote:
> On Wed, 14 Oct 2015, Wei Liu wrote:
> > On Wed, Oct 14, 2015 at 12:25:32PM +0100, Stefano Stabellini wrote:
> > > Hi Wei, Anthony,
> > > 
> > > the OVMF revision that we use with Xen 4.6 is
> > > cb9a7ebabcd6b8a49dc0854b2f9592d732b5afbd, however that doesn't work for
> > > arm64. It is not a problem for xen.git, because the arm64 build of ovmf
> > > is not enabled in the xen tree (it is built separately). However it is a
> > > problem for raisin: I am trying to enable the ovmf build on arm64 in
> > > raisin but it fails on arm64 for the latest release (at least on CentOS
> > > 7) which is not nice.
> > > 
> > > One fix is required on top of
> > > cb9a7ebabcd6b8a49dc0854b2f9592d732b5afbd to make it work:
> > > 
> > > commit 28e80befa4fe0edd7cce876e991fed912f0f2795
> > > Author: Leif Lindholm <leif.lindholm@linaro.org>
> > > Date:   Thu Jul 9 16:29:44 2015 +0000
> > > 
> > >     BaseTools: aarch64: add -fno-asynchronous-unwind-tables to gcc cflags
> > > 
> > > 
> > > This is not required but it would be nice:
> > > 
> > > commit ad2a2e5623a4a4ac5f24ae827f7842995ef4c2a9
> > > Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> > > Date:   Wed Aug 12 05:22:49 2015 +0000
> > > 
> > >     BaseTools: add ARCH detection for AARCH64 and ARM
> > > 
> > > 
> > > They only affect aarch64. Do you think it would be possible to apply
> > > them to the ovfm tree on xenbits and maybe update the ovmf revision in
> > > Config.mk, once it passes any required osstest tests?
> > > 
> > 
> > I can send a patch for Config.mk when the patch passed our tests.
> 
> OK, thanks. But can you also cherry-pick them into
> git://xenbits.xen.org/ovmf.git ?

I don't have commit access. 

What I normally do is to ask committers to do it when I send my patch --
it's a bit cumbersome, but at least it works.

Wei.