[PATCH] efi/libstub/fdt: Standardize the names of EFI stub parameters
Ian Campbell
ian.campbell at citrix.com
Mon Sep 14 03:25:25 PDT 2015
On Mon, 2015-09-14 at 12:02 +0200, Ard Biesheuvel wrote:
> On 14 September 2015 at 11:57, Ian Campbell <ian.campbell at citrix.com> wrote:
> > > or SetVirtualAddressMap/ConvertPointer, and
> >
> > These two are RTS, so in principal it could.
> >
> > (I'm not sure about ConvertPointer, is it useful for OS kernels, or
> > just
> > for "UEFI components" mentioned at
> > http://wiki.phoenix.com/wiki/index.php/E
> > FI_RUNTIME_SERVICES#ConvertPointer.28.29 ?)
> >
>
> No, there is no point. The stub calls SetVirtualAddressMap, so the
> kernel proper can never call it, since it can only be called once.
I see. And changing this such that it was delayed until the kernel proper
would be a _major_ shift in the policy of separation between the UEFI stub
and the kernel proper.
> ConvertPointer has little utility outside of the UEFI runtime
> components that are invoked during SetVirtualAddressMap,
That's the impression I was getting too. Thanks for confirming.
> so I don't see a reason to supply that either.
Ack.
Ian.
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