Re: [Xen-devel] [PATCH OSSTEST v4 21/21] Debian: Arrange to be able to chainload a xen.efi from grub2

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("[PATCH OSSTEST v4 21/21] Debian: Arrange to be able to 
chainload a xen.efi from grub2"):
> Xen cannot (currently) be booted directly via the usual multiboot
> path on EFI systems of any arch. Instead it is necessary to either
> launch xen.efi direct from the UEFI shell or to chainload it from
> grub. In both cases the Xen command line as well as what would
> normally be the multiboot modules (kernel+command line, XSM policy,
> initrd) must be configured in a Xen configuration file.
> 
> Here we add a new overlay/etc/grub.d/15_osstest_uefi grub script which
> arranges that if a xen.efi is found in the EFI System Partition (as
> arrange by a previous patch) a suitable entry is created in grub.cfg
> as well.
> 
> When parsing the grub.cfg look for such an entry into addition to the
> regular/multiboot one and when necessary write the configuration file
> based on the regular entry and return the chainload one such that it
> gets booted.
> 
> This is currently enabled only for Jessie ARM64 systems.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

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