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How to manually update the cache data from the SDRAM?

Question asked by HoJuly on Jun 16, 2014
Latest reply on Jun 24, 2014 by HoJuly



  I allocate some share-memory in SDRAM between core0 and core1 on BF609, and the data cache policy in buildroot is set to "write through".
  But sometimes I found that the data been read in core0 was different with the data been written in core1. I thought "data cache" policy may cause the problem.
  So, I want to update the cache data from SDRAM everytime reading share-data in core0. Is there some "functions" in C-lanuage which can do this job?