[Buildroot] Load Address and EntryPoint for Kernel

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Carsten Schoenert,

On Sun, 28 Oct 2012 18:16:36 +0100, Carsten Schoenert wrote:

> Hopefully I have taken the complete one from the original ... :/
> This complete git repo can be found here.
> http://git.coolstreamtech.de/?p=cst-public-linux-kernel.git;a=shortlog;h=refs/heads/2.6.34.13-cnxt
> 
> The related kernel patches I placed under
> board/coolstream/hdx/kernel-2.6.34-patches
> The config right in board/coolstream/hdx/kernel2.6.34.13.config

The kernel sources clearly indicate that the entry point should be
0x48000. So it seems like your patches haven't been applied, or your
kernel has been badly configured, or something like that.

> > Please post your Buildroot .config and kernel .config file and more
> > details about what your hardware platform is.
> 
> The platform is a ARMv6 based Settopbox with a SoC from Nexperia
> (cx2450). There are closed kernel modules that have to be used, so most
> parts of the kernel config depended on this, but some options are
> configurable without to recompile this closed source parts.
> 
> I configured BR to build a GCC 4.7.1 with crosstool-ng, after some fine
> tuning this works.
> 
> My BR config looks like this.
> > carsten at wheezy:~/gitprojects/buildroot [arm] $ cat configs/cst_hdx_2.6.34.13_defconfig 
> > BR2_arm=y
> > BR2_CCACHE=y
> > BR2_TOOLCHAIN_CTNG=y
> > BR2_TOOLCHAIN_CTNG_eglibc=y
> > BR2_TOOLCHAIN_CTNG_CONFIG="board/coolstream/hdx/ct_ng_config"
> > BR2_TOOLCHAIN_CTNG_CXX=y
> > BR2_PACKAGE_BUSYBOX_CONFIG="board/coolstream/hdx/busybox-1.20.2.config"
> > BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
> > BR2_PACKAGE_AUTOMAKE=y
> > BR2_TARGET_UBOOT=y
> > BR2_TARGET_UBOOT_BOARDNAME="coolstream_hdx"
> > BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
> > BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="http://ftp.denx.de/pub/u-boot/u-boot-2009.03.tar.bz2"
> > BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR="board/coolstream/hdx/u-boot"
> > BR2_LINUX_KERNEL=y
> > BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
> > BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.34/linux-2.6.34.13.tar.bz2"
> > BR2_LINUX_KERNEL_PATCH="board/coolstream/hdx/linux-2.6.34-patches"
> > BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
> > BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/coolstream/hdx/kernel-2.6.34.13.config"
> > BR2_LINUX_KERNEL_INSTALL_TARGET=y
> 
> The kernel config is appended.
> 
> If something is missing then just let me know.

Either pastebin the entire build log (from scratch), or post all the
patches and configuration files needed to produce the problem.

Best regards,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com