What happens during boot time in terms of scheduling?

[Richi Dubey]

Great quote.
Yeah, I'll learn about it. Anything becomes simple once you spend enough
time on it.

On Sat, Aug 15, 2020 at 4:34 AM Joel Sherrill <joel at rtems.org> wrote:

>
>
> On Fri, Aug 14, 2020 at 10:51 AM Richi Dubey <richidubey at gmail.com> wrote:
>
>> My god. There's so much that a bachelor's degree does not teach.
>>
>
> This particular one definitely qualifies as an example of Arthur C.
> Clarke's Third Law to me. :)
>
> Clarke's Third Law: Any sufficiently advanced technology is
> indistinguishable from magic.
> Profiles of the Future (revised edition, 1973)
>
> It really is quite simply once you see the end result. There is just an
> array of
> function pointers in a special section with a start and end symbol. And a
> loop to go over them at init time. All built up by the linker based on
> dependencies.
>
> --joel
>
>
>
>> Thank you for your answer.
>>
>> On Fri, Aug 14, 2020 at 6:18 PM Sebastian Huber <
>> sebastian.huber at embedded-brains.de> wrote:
>>
>>> On 14/08/2020 11:25, Richi Dubey wrote:
>>>
>>> > Is _RTEMS_tasks_Initialize_user_task responsible for starting the Init
>>> > task?
>>> Yes.
>>> >
>>> > Also how does the following code which is part
>>> > of rtems_initialize_executive:
>>> >
>>> >   /* Invoke the registered system initialization handlers */
>>> >   RTEMS_LINKER_SET_FOREACH( _Sysinit, item ) {
>>> >     ( *item->handler )();
>>> >   }
>>> >
>>> > call _RTEMS_tasks_Initialize_user_task?
>>>
>>> This is done via a linker set:
>>>
>>> https://docs.rtems.org/branches/master/c-user/linker_sets.html
>>>
>>> You can see the entries with this host command line tool:
>>>
>>> https://docs.rtems.org/branches/master/user/tools/exeinfo.html
>>>
>>> _______________________________________________
>> devel mailing list
>> devel at rtems.org
>> http://lists.rtems.org/mailman/listinfo/devel
>
>
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