freebsd-arm Digest, Vol 276, Issue 1

[Damjan Marion]

On Jul 19, 2011, at 6:53 AM, satish kondapalli wrote:

> Thanks McGovern,
> 
>> From gcc info it is clear  that Free BSD GCC is not supporting the
> armv7(with march option) architecture  and not supporting Coretx-A8
> processor ( with mcpu option). Actually I am compiling the kernel for
> Cortex-A8 ( it has armv7-a archtecture) processor.
> 
> From gcc info, i didn't find any mcpu option for cortex and  march option
> armv7.
> 
> Can anyone please tell me how to build the free BSD kernel for cortex-A8
> processor( armv7 arch)  with Free BSD GCC.
> 


Problem is that gcc 4.2.1 doesn't support armv7 so you need to use custom toolchain.

If it supports procedure would be easy:
make buildkernel TARGET=arm TARGET_CPUTYPE=cortex-a8

Damjan