Problems running RTEMS on Raspberry Pi2

[Sebastian Huber]

On 25/07/2019 13:28, Sebastian Huber wrote:
> 
> 
> On 25/07/2019 13:21, Chris Johns wrote:
>> On 25/7/19 6:03 pm, Chris Johns wrote:
>>> On 24/7/19 11:26 pm, Jan.Sommer at dlr.de wrote:
>>>> Hello,
>>>>
>>>> We are having troubles getting RTEMS to run on the RPi2.
>>>> We built the BSP from current master and used the firmware of a 
>>>> recent Raspbian on the SD-Card, but could not manage to get any 
>>>> output on the UART.
>>>> We also tried to use an older version of the firmware as mentioned 
>>>> here by Alan 
>>>> (https://lists.rtems.org/pipermail/users/2017-July/031481.html) .
>>>> With u-boot we managed to start ticker.exe with the bootelf command 
>>>> and sometimes get a fatal error on the uart, but the output is 
>>>> garbled, so there is no useful debugging information.
>>>>
>>>> Can someone build and run the current master for the RPi2 successfully?
>>>>
>>>
>>> I can build and can confirm something is broken. I get no output from 
>>> a RPi2.
>>
>> I have bisected the issue and this commit has broken the RPi ...
>>
>> https://git.rtems.org/rtems/commit/?id=bdec62c4d5aa25e5a98b9fafe78936a7beb96a6e 
>>
> 
> Is the FDT used on the RPi2? Is SMP enabled?

Is the interrupt stack size large enough? Does it help if it is increased?

-- 
Sebastian Huber, embedded brains GmbH

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