On Sunday 11 December 2011 11:53:11 Daniel Schwierzeck wrote: > --- a/README > +++ b/README > @@ -374,6 +374,12 @@ The following options need to be configured: > Defines the string to utilize when trying to match PCIe device > tree nodes for the given platform. > > +- Generic CPU options: > + CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN > + > + Defines the endianess of the CPU. Implementation of those > + values is arch specific.
might be useful to describe what these do. something like:
Adds options to explicitly add compiler flags that select the desired
endianness. Otherwise, the endian will be whatever the toolchain defaults to.
> --- a/arch/mips/cpu/mips32/config.mk
> +++ b/arch/mips/cpu/mips32/config.mk
>
> +ifdef CONFIG_SYS_LITTLE_ENDIAN
> +ENDIANNESS := -EL
> +endif
> +
> +ifdef CONFIG_SYS_BIG_ENDIAN
> +ENDIANNESS := -EB
> +endif
the GNU linker should treat -EL/-EB the same for all targets. so we should be
able to add to the common .mk files in the top level:
LDFLAGS-$(CONFIG_SYS_LITTLE_ENDIAN) += -EL
LDFLAGS-$(CONFIG_SYS_BIG_ENDIAN) += -EB
-mike
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