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 <j...@rtems.org> wrote: > > > On Fri, Aug 14, 2020 at 10:51 AM Richi Dubey <richidu...@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.hu...@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@rtems.org >> http://lists.rtems.org/mailman/listinfo/devel > >
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