• Discussion/Question: TrustZone vs Hypervisor
    Hi this is more a discussion then a question: What is the benefit of TrustZone (Secure/Non-Secure) vs. hyp (EL2) mode? As to my knowledge, both need support on the SoC for the separation. Either direct...
  • Showcasing the Third Generation of Windows on Arm
    In late 2018, we talked about the benefits of the second generation of Windows on Arm laptops, which use the Snapdragon 850 SoC built on Arm Cortex technology. An Arm-commissioned benchmarking paper showed...
  • Trustzone and caches
    Hi, this question is following my work on the PL310 L2 cache of an imx6 board (see The specified item was not found. ). We are developing a secure OS that will run alongside Linux. At boot, our secure...
  • MPU and TrustZone
    Hello, I am trying to configure MPU on Cortex-M23 processor with TrustZone enabled. I would like to assign an MPU region for a user-level application running in the non-secure side of TrustZone-M...
  • TrustZone in CortexR
    I would like to know if TrustZone will ever be implemented on Cortex R: I was able to find in your documentation that: “TrustZone technology for ARMv8-M is also different from the virtualization approach...