kernel.org's kernel: building and root file system

[Johannes Geissel]

Am Donnerstag, 6. Oktober 2005 06:53 schrieb KokHow Teh:
> Hi;
>       I am new to this and I have some questions of "what's next?" after
> having downloaded the latest kernel from kernel.org:
>
> (1)   Since I am going to build the kernel for PPC platform and
> architecture, running `make xconfig` won't bring up the right set of
> configurations for your target but the default which is a generic X86
> architecture and platform. What is the usual step so that I will have the
> configuration set for my target? I think of 2:
>
>       (i) copy arch/ppc/configs/<foo>_defconfig to $SRC_BASE/.config; `make
> xconfig`
Don't copy anything, just do a make <foo>_config. Before that you have 
to do export CROSS_COMPILE=ppc_xxx-

>       (ii) `make xconfig`; and inside the X-window, open the
> arch/ppc/configs/<foo>_defconfig and save it for your architecture.
>
>       I tried (ii) but after having opened the <foo>_defconfig, it is not
> reflected at all in the X-window. It is still showing the default
> configurations.
>
> (2)   Ok, you have the kernel running on your PPC target. How about the
> root file system? Where and how can I have/build a generic root file system
> that works with kernels running from kernel.org?
>
> (3)   Toolchain. What cross-toolchain is generally used to build the kernel
> for your target? For PPC, I come across this
> http://penguinppc.org/dev/crosstool.php... Is that popularly used to build
> kernel from kernel.org for PPC architecture and platform?
I'm using ELDK from www.denx.de and also a linuxppc_2_4_devel kernel
from there.

>
>       Thanks for any comment and insight.
>
> Regards,
> TEH
>
>
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