[Xen-devel] Xen 4.6, OVMF and arm64

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

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@xxxxxxxxxx>
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@xxxxxxxxxx>
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?

Thanks,

Stefano

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