[poky] Third party toolchain, kernel, bootloader

[Koen Kooi]

Op 9 mei 2011, om 19:39 heeft Robert Berger het volgende geschreven:

> Hi Darren,
> 
>> On 05/06/2011 08:09 PM, Darren Hart wrote:
>>> 
>>> 
>>> On 05/05/2011 11:28 PM, Robert Berger wrote:
>>>> Hi,
>>>> 
>>>> I'm working on a couple of projects trying to use yocto and it boils
>>>> down to the fact, that the packages and the package management (with a
>>>> few tweaks) are very valuable.
>>>> 
>>>> On the other hand "just to give it a try" it's a major effort to add
>>>> kernel and bootloader to poky and moreover the gcc which comes with poky
>>>> is not always what I need in terms of stability but also features (need
>>>> e.g. Cortex-A8 support). So I would also need to cook gcc to compile a
>>>> vendor provided kernel and bootloader.
>>> 
>>> 
>>> We build for Beagleboard xM, which is a Cortex-A8. Are you missing a
>>> specific feature? Hitting a particular bug?
> 
> It looks like I'm hitting a compiler/configuration bug.
> 
> 1) I build everything for the beagle.
> 2) I use this kernel (vendor supplied 2.6.32):
> wget -O xuk-src.tar.bz2
> http://www.technexion.com/index.php/support-center/downloads/arm-cpu-modules/tam-3517/389-xuk-src-tar/download
> 3) I use this kernel config:
> wget ftp://ftp.denx.de/pub/os-images/debian-6.0/arm/twister-kernel.config
> 4)
> source tmp/environment-setup-armv7a-poky-linux-gnueabi
> export ARCH=arm
> export CROSS_COMPILE=arm-poky-linux-gnueabi-
> make menuconfig
> make -j2 uImage
> ...
> *** End of Linux kernel configuration.
> *** Execute 'make' to build the kernel or try 'make help'.
> 
> scripts/kconfig/conf -s arch/arm/Kconfig
>  CHK     include/linux/version.h
>  SYMLINK include/asm -> include/asm-arm
> make[1]: `include/asm-arm/mach-types.h' is up to date.
>  CHK     include/linux/utsrelease.h
>  CALL    scripts/checksyscalls.sh
> <stdin>:1523:2: warning: #warning syscall recvmmsg not implemented
>  CHK     include/linux/compile.h
>  CC      arch/arm/kernel/sysfs_v7.o
> /tmp/ccFfYvGD.s: Assembler messages:
> /tmp/ccFfYvGD.s:264: Error: selected processor does not support ARM mode
> `smc #0'
> /tmp/ccFfYvGD.s:306: Error: selected processor does not support ARM mode
> `smc #0'
> make[1]: *** [arch/arm/kernel/sysfs_v7.o] Error 1
> make: *** [arch/arm/kernel] Error 2
> make: *** Waiting for unfinished jobs....

That's a 'feature' of binutils 2.21, either switch to 2.20 or do something like http://git.angstrom-distribution.org/cgi-bin/cgit.cgi/meta-texasinstruments/commit/?id=579d8efb3eb25b114de2640d98a511893d2f4841