• TrustZone Controller in FVP Cortex57-A Base platform
    Hi, I start to learn and program TZC-400  in FVP Cortext57-A Base platform with DS-5, and encounter something that I don't understand. I start the FVP as non-secure mode by using the paramter "bp.secure_memory...
  • Real world use case for ARMv8-M TrustZone
    Hi there, I came across the TrustZone for the more or less novel M33, but I'm having a little trouble finding a real-world scenario where the division into secure world and non-secure world makes sense...
  • Measuring the time of a world switch
    Dear all, Consider a scenario where a bare minimum hardware-assisted hypervisor is hosting 2 simple guest OSes on a dual-core Cortex-A15. I want to accurately measure the time it takes to switch from...
  • 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.
  • AM3352 TrustZone
    Hello, We want to develop complete IoT platform using  ARMmbed OS platform for an IoT application, based on TI's AM3352. Security and over the air firmware upgrade of another co-processor are of primary...