Hello,

I'm working with i.MX8DX (Dual Core CortexA35 + CortexM4) with the following simplified caching system:

My need is to flush a cached memory area to RAM in order to be viewed by the M4 core, unfortunately this area maybe cached by Core 0 and…

The DCIMVAC represents a cache invalidate work. But one specific remark is that it will clean the data if the data is dirty before invalidation. Refer to followings

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6.2.4 Data cache maintenance…

Hi, 

I have board with two clusters, one has 4*A57 cores, and the other has 4*A53 cores.

The A57 cluster has its own L1 and L2 cache, A53 cluster also has its own L1 and L2 cache. Between the clusters there is a CCI.

There is no L3 cache. So the memory…