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Date: Fri, 6 Dec 2013 14:38:27 +0100
From: Leif Lindholm <leif.lindholm@...aro.org>
To: Mark Salter <msalter@...hat.com>
Cc: Grant Likely <grant.likely@...retlab.ca>,
Catalin Marinas <catalin.marinas@....com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"patches@...aro.org" <patches@...aro.org>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Will Deacon <Will.Deacon@....com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"matt.fleming@...el.com" <matt.fleming@...el.com>,
"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
"roy.franz@...aro.org" <roy.franz@...aro.org>
Subject: Re: [PATCH 1/3] arm64: add EFI stub
On Fri, Dec 06, 2013 at 08:34:30AM -0500, Mark Salter wrote:
> > Or just disable runtime services on the switch to big ending. Big endian
> > should not disable the stub (but getting it to work could be a follow-up
> > patch)
> >
> The other problem with BE is that the PE/COFF masquerading is built into
> head.S so the same Image can be used for EFI and non-EFI. I don't see
> a BE opcode which we could us to provide the magic "MZ" at the start
> of a BE kernel Image.
That's actually not an issue.
Instructions are always LE - endinaness affects only data.
/
Leif
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