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Re: [Xen-devel] Xen support for native EFI boot

>>> On 02.03.12 at 09:57, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
> On 02/03/2012 08:48, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>>>> On 02.03.12 at 09:22, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
>>> On 02/03/2012 08:06, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>>>>>> On 01.03.12 at 21:40, "Cihula, Joseph" <joseph.cihula@xxxxxxxxx> 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?

See my later second reply - I forgot that there already was one.


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