• Cortex-A15 MPCore: How to Enable Monitor Debug Mode
    Hi experts, I want to enable monitor debug mode for Cortex-A15 MPCore. I tried modifying DSCR[15] bit but watchpoint event still won't generate exception/abort. Core was in no-debug mode before modifying...
  • Cortex A9 CPU self-tests
      Hi! I am currently working in a project with a Freescale i.MX6 (Cortex A9) board. The system has to be certified against the ISO 13849 standard and my job is to implement software diagnostics in accordance...
  • Using PMU on cortex-a9 CPU
    Folks, I am trying to run linux 'perf' on a new board with 2 ARM cortex-a9 CPUs. After compiling the kernel to include perf tool, i run 'perf stat true' and it returns valid stats. But when I run 'perf...
  • Cortex A9 single core
    From the TRM of the Cortex A9 we can read in section 7.4.3 Cortex-A9 behavior for Normal Memory Cacheable memory regions: SCTLR.C=1 The Cortex-A9 Data Cache is enabled. Some Cacheable accesses are still...
  • How to measure CPU utilization of ARM processors ?
    How can we measure the CPU utilization of programs running on ARM processors, particularly the A15 series ? Are there some hardware counters that can be read ?