Re: help? efivar 0.20-3 fails to build on arm64
On Fri, Jun 26, 2015 at 08:15:39AM -0700, Blibbet wrote:
> > Sounds good, thanks.
> >
> > OVMF/AAVMF is unfortunately non-free due to the FAT driver license.
> > How are RedHat, Linaro etc dealing with that issue?
>
> The UEFI spec requires FAT for the ESP (EFI System Partition). Apple (an
> OEM and an OSV) ignores this and uses HFS+ for it's ESP. A Linux OEM
> could also choose to ignore FAT and use their own FS for their ESP.
It requires that you support FAT, which Apple does. It does not require
that you can't support other filesystems. That said, for us (Red Hat /
me / maintainers of various utilities) there's one big advantage to
using FAT over e.g. implementing and shipping an FS driver for some
other FS - it means our development and testing environments are closer
to that of commonly shipped machines.
> Having a FS that has some security would really be an improvement over
> storing firmware images on FAT, IMO.
Eh, it doesn't make much practical difference. You just mount it in a
directory one level up that's got sufficiently strict permissions.
--
Peter
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