Re: EFI and multiboot2 devlopment work for Xen

[Seth Goldberg]

Hi,

Quoting Konrad Rzeszutek Wilk, who wrote the following on Mon, 28 Oct 2013:

> On Tue, Oct 22, 2013 at 10:54:44AM +0200, Vladimir 'φ-coder/phcoder' Serbinenko 
> wrote:
> > On 21.10.2013 23:16, Vladimir 'φ-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?

  I'd love to, yes.  I'm just a bit short on time this week.

 Thanks,
 --S