Re: [edk2-devel] [PATCH] Emulator/X86EmulatorDxe: Replace with MultiArchUefiPkg build

["Ard Biesheuvel via groups.io" <ardb=kernel.org@groups.io>]

On Fri, 6 Sept 2024 at 16:22, Rebecca Cran
<rebecca@os.amperecomputing.com> wrote:
>
> Hi Andrei,
>
>
> I've been talking to a few people about X86EmulatorPkg and their
> experience with it hasn't been positive: apparently there are lots of
> cases where it's failed to work (i.e. caused crashes) which is why it's
> not been more widely used.
>

Interestingly, since the original release in 2017, around which I did
receive some feedback, I have not received a single piece of feedback
(positive or negative) ever since.

So while I'm happy that there is a better solution for them now, I'm
kind of annoyed by the fact that not a single person ever bothered to
report any issue that they encountered while using the original
version.

> Since suggesting they try MultiArchUefiPkg they've said it's working
> much better, and in fact some people have proceeded with enabling it in
> their firmware.
>

arm64 firmware? Or RISC-V? There are many more options now for native
drivers on arm64, so I'd expect the relevance of this hack to diminish
but I guess RISC-V is at a different point on this curve.

>
> I'm a bit confused about the licensing of MultiArchUefiPkg given the
> license file says it's LGPL while it uses the GPL-licensed Unicorn library.
>
> Does that mean the overall licensing for it will be GPL?
>

LGPL is more permissive, so the combined work cannot be used under the
LGPL terms only under GPL (with the usual disclaimer of me not being a
lawyer)

Note that it doesn't really matter for edk2-non-osi as long as the
LICENSE file is accurate.


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