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_150331

 > +/* SPDX-License-Identifier: BSD-2-Clause */
 > +
 > +/**
 > + * @file
 > + *
 > + * @brief Deterministic Hedged Read Library (DHRL) Public API
 > + *
 > + * @note This library is explicitly constrained to x86_64/amd64 architectures.

Is this just a limitation of the assembly implementation? In general we should avoid this kind of limitation at the cpukit level, in which case this could come in through the bsp. But if the library should eventually be useful for other architectures, then it should be made in a way that allows the architecture-specific "hooks" to be added.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1193#note_150331
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