topic K82 : MPU hit due process identifier in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/K82-MPU-hit-due-process-identifier/m-p/900117#M53002 <HTML><HEAD></HEAD><BODY><P>Hello !</P><P></P><P>"</P><P>In addition to the comparison of the reference address versus the region descriptor's start<BR />and end addresses, the optional process identifier is examined against the region<BR />descriptor's PID and PIDMASK fields. A process identifier hit term is formed as follows:<BR />pid_hit = ~RGDn_Word2[MxPE] |<BR />((current_pid |<BR />RGDn_Word3[PIDMASK]) == (RGDn_Word3[PID] | RGDn_Word3[PIDMASK]))</P><P>"</P><P></P><P>But where I can set current_pid ?</P><P></P><P>Regards,</P><P>Eugene</P></BODY></HTML> Fri, 03 May 2019 09:50:06 GMT EugeneHiihtaja 2019-05-03T09:50:06Z K82 : MPU hit due process identifier https://community.nxp.com/t5/Kinetis-Microcontrollers/K82-MPU-hit-due-process-identifier/m-p/900117#M53002 <HTML><HEAD></HEAD><BODY><P>Hello !</P><P></P><P>"</P><P>In addition to the comparison of the reference address versus the region descriptor's start<BR />and end addresses, the optional process identifier is examined against the region<BR />descriptor's PID and PIDMASK fields. A process identifier hit term is formed as follows:<BR />pid_hit = ~RGDn_Word2[MxPE] |<BR />((current_pid |<BR />RGDn_Word3[PIDMASK]) == (RGDn_Word3[PID] | RGDn_Word3[PIDMASK]))</P><P>"</P><P></P><P>But where I can set current_pid ?</P><P></P><P>Regards,</P><P>Eugene</P></BODY></HTML> Fri, 03 May 2019 09:50:06 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K82-MPU-hit-due-process-identifier/m-p/900117#M53002 EugeneHiihtaja 2019-05-03T09:50:06Z Re: K82 : MPU hit due process identifier https://community.nxp.com/t5/Kinetis-Microcontrollers/K82-MPU-hit-due-process-identifier/m-p/900118#M53003 <HTML><HEAD></HEAD><BODY><P>Hi Eugene,</P><P><STRONG>"current_pid" </STRONG>is handled by Process ID register in MCM module. Please see 20.2.8 Process ID Register(MCM_PID).</P><P></P><P>Regards,</P><P>Jing</P></BODY></HTML> Mon, 06 May 2019 03:15:56 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K82-MPU-hit-due-process-identifier/m-p/900118#M53003 jingpan 2019-05-06T03:15:56Z