Re: [Xen-devel] EFI and multiboot2 devlopment work for Xen

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Oct 22, 2013 at 10:54:44AM +0200, Vladimir 'Ï-coder/phcoder' Serbinenko 
wrote:
> On 21.10.2013 23:16, Vladimir 'Ï-coder/phcoder' Serbinenko wrote:
> > Mail is big, I think I got your essential points but I didn't read it whole.
> > On 21.10.2013 14:57, Daniel Kiper wrote:
> >> Hi,
> >>
> >> During work on multiboot2 protocol support for Xen it was discovered
> >> that memory map passed via relevant tag could not represent wide range
> >> of memory types available on EFI platforms. Additionally, GRUB2
> >> implementation calls ExitBootServices() on them just before jumping
> >> into loaded image. In this situation loaded system could not clearly
> >> identify reserved memory regions, EFI runtime services regions and others.
> >>
> > Will a multiboot2 tag with whole EFI memory map solve your problem?
> I added such a tag in documentation and wrote a patch for it (attached).
> Awaiting for someone to test it to commit

Great! I think from Xen perspective we first need to have Xen be able
to understand multiboot2 - that is something Daniel had been working on.
I will let Daniel talk more about it.

Seth, would you have any time to test the patch against Solaris to
make sure it works?

Thanks!
>

Attachment: efi.diff
Description: Text document

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