topic Re: Decrementer interrupt in linux project in P-Series https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263403#M668 <HTML><HEAD></HEAD><BODY><P>If the question is specifically about Linux, the kernel does use Decrementer.</P><P>It registers Decrementer as a standard clock event device. Related code can be found in </P><P>arch/powerpc/kernel/time.c, arch/powerpc/kernel/head_fsl_booke.S and </P><P>arch/powerpc/kernel/head_booke.h. </P><P></P><P>More information on clock event device and related concepts can be found in </P><P>Documentation/timers/highres.txt</P></BODY></HTML> Fri, 21 Mar 2014 06:31:46 GMT bpe 2014-03-21T06:31:46Z Decrementer interrupt in linux project https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263401#M666 <HTML><HEAD></HEAD><BODY><P>Hi everyone,</P><P> I would like to know if it is possible to have decrementer interrupt in a Multicore Linux Project.<BR />I have tried to use the interrupt like a bareboard Project&nbsp; and it compiles but at the debug time it remains blocked. <BR />Does anyone have&nbsp; perform interrupts in Linux multicore projects? How to do that?</P><P>Thanks in advanced.</P></BODY></HTML> Thu, 27 Feb 2014 10:19:12 GMT https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263401#M666 pabloramos 2014-02-27T10:19:12Z Re: Decrementer interrupt in linux project https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263402#M667 <HTML><HEAD></HEAD><BODY><P>What do you mean by "at the debug time it remains blocked"? Did you find "TSR[DIS]" setted but PC not jumppting into handler?</P></BODY></HTML> Fri, 28 Feb 2014 07:32:19 GMT https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263402#M667 lunminliang 2014-02-28T07:32:19Z Re: Decrementer interrupt in linux project https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263403#M668 <HTML><HEAD></HEAD><BODY><P>If the question is specifically about Linux, the kernel does use Decrementer.</P><P>It registers Decrementer as a standard clock event device. Related code can be found in </P><P>arch/powerpc/kernel/time.c, arch/powerpc/kernel/head_fsl_booke.S and </P><P>arch/powerpc/kernel/head_booke.h. </P><P></P><P>More information on clock event device and related concepts can be found in </P><P>Documentation/timers/highres.txt</P></BODY></HTML> Fri, 21 Mar 2014 06:31:46 GMT https://community.nxp.com/t5/P-Series/Decrementer-interrupt-in-linux-project/m-p/263403#M668 bpe 2014-03-21T06:31:46Z