RTEMS | cpukit: Create DHRL Library for DRAM Latency Mitigation (!1193)

[Wayne Thornton (@wmthornton-dev)]

Wayne Thornton commented on a discussion on cpukit/dhrl/dhrl.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_150763

 > +  if ( sc != RTEMS_SUCCESSFUL ) {
 > +    return sc;
 > +  }
 > +
 > +  CPU_ZERO( &cpuset );
 > +  CPU_SET( core_b, &cpuset );
 > +  sc = rtems_task_set_affinity(
 > +    ctx->worker_b_id,
 > +    sizeof( cpu_set_t ),
 > +    &cpuset
 > +  );
 > +  if ( sc != RTEMS_SUCCESSFUL ) {
 > +    return sc;
 > +  }
 > +
 > +  sc = rtems_barrier_create(

As briefly discussed in DM on Discord, I would like to get the core DHRL API working and then begin to add speed enhancements. The API does work as intended, although perhaps not as fast as possible. I've added https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5582 to track this work.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_150763
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