Problems running RTEMS on Raspberry Pi2

[Chris Johns]

On 25/7/19 9:28 pm, 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?
> 

SMP was not enabled. I can build and run hello.exe with the commit before this one.

I have no idea about the stack usage. I am using a standard u-boot .....

U-Boot 2016.09-rc2-00067-gb615267-dirty (Sep 07 2016 - 17:12:15 +1000)

Chris