Re: [PATCH] ARM: zImage: ensure header in LE format for BE8 kernels

[Kevin Hilman]

On Wed, Jun 18, 2014 at 11:22 AM, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> wrote:
> On 06/18/14 11:21, Kevin Hilman wrote:
>> On Wed, Jun 18, 2014 at 11:14 AM, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/