Raspberry pi not working with latest compiler and rtems-git

[Alan Cudmore]

Hi Pavel,
The HDMI Console! I do have it enabled, so I’m sure that’s it. 
You saved me a lot of time.
Thanks,
Alan

> On Jun 21, 2016, at 4:53 PM, Pavel Pisa <ppisa4lists at pikron.com> wrote:
> 
> Hello Alan,
> 
> On Tuesday 21 of June 2016 20:41:43 Alan Cudmore wrote:
>> Hi Pavel,
>> I compiled your branch, and it stopped on after the last line below ( on
>> the Pi Model A+ )
>> 
>> Now I think it may be the options I use to compile the BSP. What configure
>> options do you use for the Pi?
> 
> My RPi1 config is
> 
> ../../../git/rtems/configure --target=arm-rtems4.12 --prefix=/opt/rtems4.12 \
>  --enable-rtems-inlines --disable-multiprocessing --enable-cxx \
>  --enable-rdbg --enable-maintainer-mode --enable-tests=samples \
>  --disable-networking --enable-posix --disable-itron --disable-ada \
>  --disable-expada --disable-multilib --disable-docs \
>  --enable-rtemsbsp="raspberrypi"
> 
> RPi2 (tested only on QEMU)
> 
> ../../../git/rtems/configure --target=arm-rtems4.12 --prefix=/opt/rtems4.12 \
>  --enable-rtems-inlines --disable-multiprocessing --enable-cxx \
>  --enable-rdbg --enable-maintainer-mode --enable-tests=samples \
>  --enable-networking --enable-posix --disable-itron --disable-ada \
>  --disable-expada --disable-multilib --disable-docs \
>  --enable-rtemsbsp="raspberrypi2"
> 
> May it be, that some options are historical reminiscences
> to previous RTEMS versions.
> I think that --enable-rtems-inlines is ignored/not recognized
> by actual version.
> 
> 
> As for the output, if it is not simplified then there is something strange
> 
>> bsp_console_select:
>> 
>>  rpi_video_is_initialized OK
> ...
>> _Thread_Start_multitasking ...
>> 
>> _Thread_Start_multitasking:
>> 
>> printk test ...
> 
> should be followed by " printk test OK" in the hacked
> version
> 
> https://github.com/ppisa/rtems/blob/rtems-rpi-devel/cpukit/score/src/threadstartmultitasking.c#L31
> 
>  ll_strout("_Thread_Start_multitasking:\n");
>  ll_strout(" printk test ...\n");
>  printk(" printk test OK\n");
> 
> if the printk output does not appear then it can be redirected to HDMI
> output or something else is broken in console driver or related setup.
> 
>> _Thread_Get_heir_and_make_it_executing ...
>> 
>> _Profiling_Thread_dispatch_disable ...
> 
> Is it possible that you have left console redirection to HDMI
> in config.txt ? The line is not checked for '#' comment leading
> character so you need to rename file or remove/alter option.
> 
> To ensure that there is not some error hidden on my side
> by use of U-boot, I have checked actual RTME GIT master
> build on RPi1 B+ with direct boot through config.txt
> kernel option in addition to TFTP load test and both
> seems to work OK with both, serial and HDMI console.
> 
> Please, can you test version with HACK applied on RPi2?
> 
> I have (force) updated my GitHub rtems-rpi-devel branch
> to actual mainline + HACK. But there should not be
> a difference.
> 
> Best wishes,
> 
>             Pavel