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Date: Wed, 18 Jun 2014 11:21:28 -0700
Message-ID: <CAGa+x86DfDjQG8gN2-x7Kapt2ipsYt879R4OK6JWGoaT93VVig@mail.gmail.com>
Subject: Re: [PATCH] ARM: zImage: ensure header in LE format for BE8 kernels
From: Kevin Hilman <khilman@linaro.org>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Taras Kondratiuk <taras.kondratiuk@linaro.org>,
        Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
        Russell King <linux@arm.linux.org.uk>,
        Jason Cooper <jason@lakedaemon.net>,
        Victor Kamensky <victor.kamensky@linaro.org>,
        Nico Pitre <nico@fluxnic.net>, LKML <linux-kernel@vger.kernel.org>,
        Ben Dooks <ben.dooks@codethink.co.uk>, Olof Johansson <olof@lixom.net>,
        Linaro Networking <linaro-networking@linaro.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
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Sender: linux-kernel-owner@vger.kernel.org

On Wed, Jun 18, 2014 at 11:14 AM, Stephen Boyd <sboyd@codeaurora.org> wrote:
> On 06/18/14 10:55, Kevin Hilman wrote:
>>
>> All of that to say, with this patch applied, I need a new (and
>> reliable) way to determine the endianness of a kernel just by looking
>> at the zImage.  Recommendations welcome.
>
> Assuming that you have the .config configured to be built into the
> kernel you could use extract-ikconfig
>
> $ ./scripts/extract-ikconfig zImage | grep CONFIG_CPU_ENDIAN_BE8

Unfortunately, I can't rely on having that built in since I want the
boot tools to be as generic as possible.

Kevin
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