[Bug 272731] Question on support booting 64-bit FreeBSD on a 64-bit CPU from a 32-bit EFI environment

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 26 Jul 2023 09:57:32 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=272731

            Bug ID: 272731
           Summary: Question on support booting 64-bit FreeBSD on a 64-bit
                    CPU from a 32-bit EFI environment
           Product: Base System
           Version: 13.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs@FreeBSD.org
          Reporter: lehmannwer@gmail.com

After a long time I had another look at the page https://wiki.freebsd.org/UEFI,
where it still states "Support booting 64-bit FreeBSD on a 64-bit CPU from a
32-bit EFI environment" with status "Not Started".
I would like to know if anybody is / will be working on that in the near future
or not, as unfortunately I have a Notebook that comes with with an Intel Atom
Baytrail CPU and a 32-bit EFI without the possibility of setting legacy BIOS
mode and I would really love to install FreeBSD on that machine.
That kind of CPU was sold quite a lot and there are a lot of other Notebooks
with a 32-bit EFI, so it could be interesting for more people to see this
feature implemented in FreeBSD.
I don't know if it could make things easier if looking at the solution from
NetBSD, which actually works since 9.3. (There, the installation media is
recognized by the 32-bit EFI and the system boots until it shuts down later for
some other reason, but this must be a another problem of NetBSD).
Also, I would be happy to do testing if somebody started the work.

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