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SubjectRe: [PATCH] ARM: zImage: ensure header in LE format for BE8 kernels
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On Wed, Jun 18, 2014 at 11:22 AM, Stephen Boyd <sboyd@codeaurora.org> wrote:
> On 06/18/14 11:21, Kevin Hilman wrote:
>> 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.
>>
>>
>
> Yeah ok. Perhaps you can look for the 'setend be' instruction right
> after the magic values instead.

Yeah, that works, as long as I can always assume that instruction will
be at the same offset (currently at 0x30).

Kevin


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