Processor Expert SoftwareのトピックT2080RDB Ram test without caching https://community.nxp.com/t5/Processor-Expert-Software/T2080RDB-Ram-test-without-caching/m-p/698019#M4070 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>I'm trying to implement a RAM memory test based on memtester sources.</P><P>I need to directly access RAM locations, without the intervention of the cache, but by analyzing memtester sources I can't find any kind of mechanism to prevent cache utilization.</P><P>Is the cache flush, after each write/read operation sufficient to force access to RAM?</P><P>Or should I completely disable Dcahing? (in this case How can I proceed?).</P><P>I attach some memtester source files. It could help to find how they avoid memory caching.</P><P>B.R.</P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">tests.c.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">memtester.c.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">memtester.h.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">tests.h.zip</A></STRONG></P></BODY></HTML> Wed, 04 Oct 2017 09:10:11 GMT francescocaiazz 2017-10-04T09:10:11Z T2080RDB Ram test without caching https://community.nxp.com/t5/Processor-Expert-Software/T2080RDB-Ram-test-without-caching/m-p/698019#M4070 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>I'm trying to implement a RAM memory test based on memtester sources.</P><P>I need to directly access RAM locations, without the intervention of the cache, but by analyzing memtester sources I can't find any kind of mechanism to prevent cache utilization.</P><P>Is the cache flush, after each write/read operation sufficient to force access to RAM?</P><P>Or should I completely disable Dcahing? (in this case How can I proceed?).</P><P>I attach some memtester source files. It could help to find how they avoid memory caching.</P><P>B.R.</P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">tests.c.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">memtester.c.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">memtester.h.zip</A></STRONG></P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-339179">tests.h.zip</A></STRONG></P></BODY></HTML> Wed, 04 Oct 2017 09:10:11 GMT https://community.nxp.com/t5/Processor-Expert-Software/T2080RDB-Ram-test-without-caching/m-p/698019#M4070 francescocaiazz 2017-10-04T09:10:11Z