Re: Xen support for native EFI boot

[Keir Fraser <keir.xen@gmail.com>]

On 02/03/2012 08:48, "Jan Beulich" <JBeulich@suse.com> wrote:

>>>> On 02.03.12 at 09:22, Keir Fraser <keir.xen@gmail.com> wrote:
>> On 02/03/2012 08:06, "Jan Beulich" <JBeulich@suse.com> wrote:
>> 
>>>>>> On 01.03.12 at 21:40, "Cihula, Joseph" <joseph.cihula@intel.com> wrote:
>>>> Can someone provide instructions and the necessary environment/toolchain
>>>> support needed to get Xen to build and boot on a native EFI system (i.e.
>> with
>>>> no CSM/legacy support)?
>>> 
>>> gcc must be 4.5.x or newer (I'd recommend not trying anything below
>>> 4.6.x, as I'm unaware of anyone ever having tried that, and I can't
>>> exclude that there are bugs in the relevant code that was newly added
>>> in 4.5.0).
>>> 
>>> ld must support linking native 64-bit EFI applications, which so far no
>>> released binutils version does. The single relevant change that's
>>> necessary for this to work in 2.21 can be taken from
>>> http://www.sourceware.org/ml/binutils/2011-05/msg00131.html (but
>>> there's at least one other non-essential adjustment in case you want
>>> to do anything with the generated binary that involves its symbol
>>> table).
>> 
>> Has that patch been picked up by the maintainers?
> 
> Oh, yes, I committed it a few days after sending (the mail thread above
> even includes the approval).

Ah, so I see. I didn't know you had commit rights to binutils. :-)

Looks like a binutils release must be about due, and that would include it?

 -- Keir

> Jan
>