• Trustzone FIQ latency measurement When security extension is enabled
    Hello Guys, Please refer below attached image. as shown in this image i want to measure the different latencies in my Trustzone based application. Here is the list of measurements which i want to...
  • Cortex-A7 4 Cores Boot
    Hi , I am working on Arm for the first time . I am trying to implement a scenario to boot 4 cores parallel . I have few queries here      --> Reset lifting procedure for 4 cores ? how exactly they should...
  • GICv2 initialization for Non-Secure World
    Hi, Recently I am working on porting our Cortex A7 code that used to run in secure world to non-secure world for some reason. I got a problem when it came to GIC initialization. I noticed that in order...
  • TrustZone of the Cortex-M vs. TrustZone of the Cortex-A
    What is the difference between the TrustZone of Cortex M23/33 and the TrustZone of Cortex A? Can you provide documentation on this topic? May I start to prototype my Cortex M23 application on a Cortex...
  • SMMU initialization
    Hi, Where i can find step-by-step instruction how to init SMMU PA->IPA translation? (With procedure description) (i checked ARM ® System Memory Management document, but i was not found exact instruction...