Re: kvm smm mode support?

Paolo Bonzini
2014-04-26T09:40:18Z

Il 25/04/2014 09:39, Gerd Hoffmann ha scritto:
> Anyone has plans to add smm support to kvm?

No plans, but it should be a Simple Matter Of Programming...

A good start would be to write unit tests for SMM that work with QEMU.
Too bad we're late, it could have been a nice summer of code project.

Paolo

> We have two potential use cases meanwhile:
>
> (1) OVMF could use it to implement the LockBox (storage area the
> OS can't tamper with, needed to make secure boot actually secure).
>
> (2) SeaBIOS considers using a SMM trampoline to switch into 32bit mode
> for device drivers. See
> http://www.seabios.org/pipermail/seabios/2014-April/007957.html