Re: [PATCH v3] x86, efi: Calling __pa() with an ioremap'd addressis invalid

[H. Peter Anvin]

On 11/07/2011 01:07 PM, Matthew Garrett wrote:
>>
>> I know we need to be able to pass the initramfs in memory; anything else
>> we need other than the normal EFI executable entry conditions?
> 
> If we're called before ExitBootServices(), no. If we're called after, 
> we'll need the map from GetMemoryMap(). There's some other things that 
> we may want to pass, such as option ROMs that we can get from firmware 
> but which may not otherwise be mapped - I guess those could arguably be 
> passed in the initramfs.
> 

No, we should be called before ExitBootServices(), obviously.

That was a significant part of the point.

Getting a list of the stuff we need would be useful, so we can come up
with a workable ABI for passing it.

	-hpa
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