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

[Gedare Bloom (@gedare)]

Gedare Bloom started a new discussion on cpukit/include/rtems/dhrl.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_150845

 > +  size_t memory_region_size;
 > +
 > +  /** Specific address bit used for DDR channel interleaving (0 for auto-calibrate) */
 > +  uint8_t interleave_bit;
 > +
 > +  /** Distance in bytes between logical array elements */
 > +  size_t data_stride;
 > +
 > +  /** Width in bytes of the atomic data read (1, 2, 4, or 8) */
 > +  size_t data_size;
 > +
 > +  /** Number of iterations used during hardware calibration (defaults to 5000 if 0) */
 > +  size_t calibration_iterations;
 > +
 > +  /** Application function invoked to trigger the next fetch cycle */
 > +  rtems_dhrl_signal_handler signal_routine;

I find the use of `signal` is confusing. This seems like a callback function. It does not utilize any signal handling mechanisms.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_150845
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