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8.4.5. Processor configuration and the impact on the preload engine

During a preloading engine transfer, if the processor configuration of the memory system that affects the preloading engine is altered, the behavior of the preloading engine is Unpredictable. Some processor configurations that cause Unpredictable behavior are of the following:

  • altering the MMU enable

  • modifying the memory region remap registers

  • changing the Context ID

  • disabling the L2 cache controller.

Note

You must enable the MMU for the PLE to operate. If you disabled the MMU during preloading engine configurations, the PLE treats all memory as noncacheable regardless of the state of the Memory Region Remap Registers.

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