• Security Webinars from Arm
    chrisshore explains the new security webinars from Arm.
  • Instruction Fetches from Peripheral Memory Space
    Is it possible to use the MPU to configure the Peripheral Memory Space as Execute? It looks possible via the MPU_RBAR.XN bit. If this is the case, is it fair to say that TrustZone aware select gates...
  • Interrupts from the secure world to the non-secure world.
    Hello experts, I am using SAM L11 (Core is Cortex-M23). I did a simple test of the interrupt. In the case of the handler was the secure world, it worked as I expected. The instruction sequences are...
  • Accelerating the deployment of secure IoT: From chip to cloud
    A great deal of cyber ink has been spilt on the subject of Internet of Things - on the promise, the hype, the frustration that it’s not quite there yet. The entire concept of IoT combines sensory, connected...
  • Calling None-Secure method directly from Secure world
    Hi: If CPU is in secure state, and calling the none-secure world method. Dose this allowed or it will generat a security fault