Re: [PATCH 01/18] powerpc: Add ability to build little endian kernels

Kumar Gala
2010-10-01T09:19:36Z

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.

- k