Optimization issue in RISC-V BSP

Hesham Almatary heshamelmatary at gmail.com
Sun Jul 30 23:08:22 UTC 2017


On Mon, Jul 31, 2017 at 5:03 AM, Denis Obrezkov <denisobrezkov at gmail.com> wrote:
> 2017-07-30 20:40 GMT+02:00 Joel Sherrill <joel at rtems.org>:
>>
>>
>>
>> On Jul 30, 2017 12:19 PM, "Denis Obrezkov" <denisobrezkov at gmail.com>
>> wrote:
>>
>> 2017-07-30 3:10 GMT+02:00 Joel Sherrill <joel at rtems.org>:
>>>
>>>
>>>
>>> On Jul 29, 2017 8:02 PM, "Denis Obrezkov" <denisobrezkov at gmail.com>
>>> wrote:
>>>
>>>
>>>
>>> 2017-07-30 2:34 GMT+02:00 Joel Sherrill <joel at rtems.org>:
>>>>
>>>>
>>>> Sorry to top post but this thread is very deep to answer on a phone.
>>>>
>>>> Try looking at the same code on the erc32 bsp and see how it is done.
>>>>
>>>> Also you could disable the atexit() call and see how.much further you
>>>> get.
>>>>
>>>>
>>> Ok, I will look at erc32 bsp.
>>> I have removed atexit call, now I can proceed further, till the while(1)
>>> loop in the low ticker test.
>>> But the Dummy Clock doesn't tick.
>>> So, I again get the output:
>>> *** LOW MEMORY CLOCK TICK TEST ***
>>> TA1  - rtems_clock_get_tod - 09:00:00   12/31/1988
>>> TA2  - rtems_clock_get_tod - 09:00:00   12/31/1988
>>> TA3  - rtems_clock_get_tod - 09:00:00   12/31/1988
>>>
>>>
>>> Low ticker has its Init task become the idle task. Your clock driver
>>> simulator thread is likely never running.
>>>
>>> Try turning that option off in the test
>>>
>>>
>>>
>>> --
>>> Regards, Denis Obrezkov
>>>
>>>
>>
>> I tried it, but I had an error
>> ../../../../../hifive1/lib/include/rtems/confdefs.h:3586:2: error: #error
>> "CONFIGURATION ERROR: No initialization tasks or threads configured!!"
>>  #error "CONFIGURATION ERROR: No initialization tasks or threads
>> configured!!"
>>
>>
>> You have to configure an Init task.
>>
>>
>>
>>
>> --
>> Regards, Denis Obrezkov
>>
>>
> Yes, I understand that, but I can't find proper configuration options.
>
#define CONFIGURE_INIT

There might be other #ifdefs needed as well like:

#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

Have a look at the existing hello and ticker examples (not low ticker).
>
>
> --
> Regards, Denis Obrezkov
>
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-- 
Hesham



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