Re: Grub2 and Xen on arm64 - which modules do I have to use?

[Andrei Borzenkov]

26.10.2016 03:18, J. Eppler пишет:
> Hello,
> 
> I would like to run Xen on Debian (96boards HiKey board), but to be able
> to load Xen I need Grub2 modules, which allow me to load Xen on ARM64
> (also known as aarch64 or arm-v8).
> 
> According to the git commits (see [1]) Xen boot support for arm64 for
> available with grub-2.02-beta3. In addition and according to this Xen
> devel mailing list post [2] I need xen_hypervisor and xen_module
> commands to create an Grub boot entry for Xen.
> 
> When I compile grub I get no xen_hypervisor or xen_module command, but a
> xen_boot.mod. If I look into the `docs/grub.texi` I find the following
> description:
> 
>     @comment * xen_*::              Xen boot commands
>     * xen_hypervisor::              Load xen hypervisor binary
>     * xen_linux::                   Load dom0 kernel for xen hypervisor
>     * xen_initrd::                  Load dom0 initrd for dom0 kernel
>     * xen_xsm::                     Load xen security module for xen
> hypervisor
> 
> Based on those information, I assume that `xen_boot.mod` provides the
> `xen_hypervisor` command. Therefor I have to include `xen_boot.mod` in
> the list of GRUB_MODULES for grub-mkimage. Is this correct?
> 
> My next question is regarding the xen_module command. Which .mod - file
> to I have to include in GRUB_MODULES list to get this command?
> 

All commands are implemented by the same xen_boot.mod.

> I use the following `grub-mkimage` command:
> 
> $ export GRUB_MODULES="boot chain configfile echo efinet eval ext2 fat
> font gettext gfxterm gzio help linux loadenv lsefi normal part_gpt
> part_msdos read regexp search search_fs_file search_fs_uuid search_label
> terminal terminfo test tftp time"
> 
> $ ./grub-mkimage --verbose --output=out/grubaa64.efi -p ""
> --config=out/grub.configfile --format=arm64-efi $GRUB_MODULES
> 
> what modules to I have to add to my GRUB_MODULES array to get Xen support?
> 
> [1]
> http://git.savannah.gnu.org/cgit/grub.git/log/grub-core/loader/arm64/xen_boot.c?id=grub-2.02-beta3
> 
> [2] http://www.gossamer-threads.com/lists/xen/devel/390040
> 
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