Re: [PATCH 0/4] EFI 1:1 mapping

Matthew Garrett
2013-06-03T14:30:10Z

On Mon, Jun 03, 2013 at 07:27:22AM -0700, James Bottomley wrote:

> That's correct. I think not calling SetVirtualAddressMap() and just
> using a 1:1 mapping is far safer (having looked at what tianocore does
> for SetVirtualAddressMap()). The chances are that all the UEFI bioses
> are only tested with windows, so the pointer chases it has to do to
> switch address maps only work with the operations windows does.

Windows calls SetVirtualAddressMap(), so the only way these systems have
been tested is with SetVirtualAddressMap().

--
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org