• Can a Linux kernel run as a TrustZone secure OS?
    I have a samsung exynos 4412(Cortex-A9) development board. There is a simple secure os that can run on it. The normal os is Android. Now I am trying to select linux as the secure os.  The linux kernel...
  • ARM TrustZone's Secure/Normal world vs x86's Ring0/3 or OS's kernel/user mode?
    I read document like this TrustZone Security Whitepaper . It describes that all resources like CPU, memory and others are divided by Secure World and Normal World . Programs in Normal World can not access...
  • Meet the Experts - Arm TrustZone - understanding system security
    Meet the Experts - Arm TrustZone - understanding system security
  • Transaction cost between secure world and normal world
    Hello, I was wondering how is the cost/ slow-down of communication between secure world and normal world. How many CPU cycles on average? Thank you.
  • 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...