Re: [edk2] Corrupted EFI region

From: H. Peter Anvin
Date: Mon Aug 05 2013 - 17:52:09 EST


On 08/05/2013 02:41 PM, Borislav Petkov wrote:
> On Mon, Aug 05, 2013 at 02:37:08PM -0700, H. Peter Anvin wrote:
>> All of this would be a non-problem if there weren't buggy
>> implementations which can't run *without* SetVirtualAddressMap().
>
> Oh, you mean, if we were to call the runtime services through their
> physical addresses?
>

Yes. It is supposed to work, but at least on some Apple machines it
triggers bugs.

-hpa

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