Re: [PATCH 01/18] powerpc: Add ability to build little endian kernels
From: Josh Boyer
Date: Fri Oct 01 2010 - 07:28:35 EST
On Fri, Oct 1, 2010 at 5:18 AM, Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Oct 1, 2010, at 2:05 AM, Ian Munsie wrote:
>
>>
>> diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
>> index d361f81..074ff12 100644
>> --- a/arch/powerpc/platforms/Kconfig.cputype
>> +++ b/arch/powerpc/platforms/Kconfig.cputype
>> @@ -329,3 +329,19 @@ config CHECK_CACHE_COHERENCY
>> bool
>>
>> endmenu
>> +
>> +config ARCH_SUPPORTS_LITTLE_ENDIAN
>> + bool
>> +
>> +config CPU_LITTLE_ENDIAN
>> + bool "Build little endian kernel"
>> + depends on ARCH_SUPPORTS_LITTLE_ENDIAN && EXPERIMENTAL
>> + default n
>> + help
>> + This option selects whether a big endian or little endian kernel will
>> + be built.
>> +
>> + Note that if building a little endian kernel, CROSS_COMPILE must
>> + point to a toolchain capable of targetting little endian powerpc,
>> + while the toolchain specified by CROSS32_COMPILE must be capable of
>> + targetting *BIG* endian PowerPC.
>> --
>> 1.7.1
>
> Shouldn't we have something that limits to the sub-arch'es that actually support it? I doubt I'm ever going to make FSL-Book-e support LE.
Yes, it should.
josh
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