https://community.nxp.com/t5/P-Series/clearing-the-data-instruction-line-fill-buffer-DLFB-ILFB/m-p/403060#M2252 <HTML><HEAD></HEAD><BODY><P>Hello Clemens Reibetanz,</P><P></P><P>I am not aware of a way to clear line fill buffers.&nbsp; But you could use cache management instructions, such as dcbf and icbi to flush data out. </P><P>The DLFB/ILFB are located in LSU, why do you need to control or know the status of them?</P><P></P><P>The replacement policy of the line fill buffer is not documented.&nbsp; </P><P></P><P></P><P>Have a great day,<BR />Lunmin</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 28 Aug 2015 08:24:29 GMT lunminliang 2015-08-28T08:24:29Z https://community.nxp.com/t5/P-Series/clearing-the-data-instruction-line-fill-buffer-DLFB-ILFB/m-p/403059#M2251 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>is there any way to control the ILFB / DLFB?</P><P>Can I clear them somehow?</P><P></P><P>How can I make sure a certain entry there gets overwritten?</P><P>(I'm using a P4080 with e500mc.)</P><P>What is their replacement policy?</P><P></P><P>Thanks in advance.</P></BODY></HTML> Thu, 27 Aug 2015 21:04:31 GMT https://community.nxp.com/t5/P-Series/clearing-the-data-instruction-line-fill-buffer-DLFB-ILFB/m-p/403059#M2251 clemensreibetan 2015-08-27T21:04:31Z https://community.nxp.com/t5/P-Series/clearing-the-data-instruction-line-fill-buffer-DLFB-ILFB/m-p/403060#M2252 <HTML><HEAD></HEAD><BODY><P>Hello Clemens Reibetanz,</P><P></P><P>I am not aware of a way to clear line fill buffers.&nbsp; But you could use cache management instructions, such as dcbf and icbi to flush data out. </P><P>The DLFB/ILFB are located in LSU, why do you need to control or know the status of them?</P><P></P><P>The replacement policy of the line fill buffer is not documented.&nbsp; </P><P></P><P></P><P>Have a great day,<BR />Lunmin</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 28 Aug 2015 08:24:29 GMT https://community.nxp.com/t5/P-Series/clearing-the-data-instruction-line-fill-buffer-DLFB-ILFB/m-p/403060#M2252 lunminliang 2015-08-28T08:24:29Z