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Introduce cache infrastructure #8784

pizi-nordic opened this Issue Jul 6, 2018 · 0 comments


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pizi-nordic commented Jul 6, 2018


  • Create system-level API for cache operations:
    - I-Cache: enable/disable, invalidate.
    - D-Cache: enable/disable, writeback, invalidate, writeback + invalidate.

  • Create system-level memory allocation primitives for DMA memory.
    - Create macro ensuring cache-line alignment of static data structures.

  • Enable memory caching in MPU:
    - Flash: Write-Through
    - RAM: WriteBack + Write Allocate.

  • Update platform code and drivers to use Cache API.


  • Create API for dynamic memory allocation (aligned to cache line, size always multiple of cache line).
  • Create API for marking memory block non-cacheable.
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