Messages in this thread | | | Date | Mon, 07 Nov 2011 13:20:45 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v3] x86, efi: Calling __pa() with an ioremap'd address is invalid |
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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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