[Buildroot] Problem with starting TI Graphics

Arnout Vandecappelle arnout at mind.be
Thu Mar 6 17:47:58 UTC 2014


On 06/03/14 13:47, Peter Kümmel wrote:
> On 05.03.2014 22:09, Arnout Vandecappelle wrote:
>> On 04/03/14 20:09, Thomas Petazzoni wrote:
>>> Dear Peter Kuemmel,
>>>
>>> On Fri, 14 Feb 2014 11:24:06 +0100, Peter Kuemmel wrote:
>>>
>>>> Thanks, I found the issue: it was the missing user binary thumb
>>>> support in the kernel.
>>>
>>> Interesting. Were you building the kernel with Buildroot, or separately?
>>>
>>> If you built your kernel with Buildroot, then maybe we should add
>>> something like:
>>>
>>>     $(if $(BR2_ARM_INSTRUCTIONS_THUMB)$(BR2_ARM_INSTRUCTIONS_THUMB2),
>>>         $(call KCONFIG_ENABLE_OPT,CONFIG_ARM_THUMB,$(@D)/.config))
>>>
>>> This way we would ensure that the kernel gets built with
>>> CONFIG_ARM_THUMB=y when the Thumb or Thumb-2 instruction sets have been
>>> selected for userspace.
>>
>>   This is a good idea, but wouldn't help with Peter's problem: the
>> pvrsrvctl binary is not built by buildroot, so the problem occurs even if
>> buildroot is build with ARM instructions.
> 
> Yes, pvrsrvctl is not build by buildroot, but this is not the problem.
> pvrsrvctl needs a kernel which supports thumb, so enabling thumb in the
> kernel automatically by buildroot would solve the problem. (And would have
> saved me many hours).

 Yes, but Thomas proposed to add it automatically only when you select to
build everything with thumb. It would not be done in the default case of
BR2_ARM_INSTRUCTIONS_ARM_CHOICE (which you probably have...).

 Regards,
 Arnout

> 
> Peter
> 
>>
>>   Regards,
>>   Arnout
>>
>>>
>>> Thoughts?
>>>
>>> Thomas
>>>
>>
>>
> 
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-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
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