• TZC-400 Memory Regions Question
    Hi experts, Based on the manual of TZC-400 , we could set up at most 8 regions with different security settings. However, I'm wondering, when a normal world(non-secure) application read or write a specific...
  • TZC-400 Secure OS memory question
    Hello, I am new to the TZC-400 ARM component. I know there are 8 memory regions possible. I want to ask a basic question. If I want to create a memory region in non-secure memory which the secure OS...
  • How to set the CPU affinity of Secure OS for Juno r1?
    Hi experts, I'm using the Juno r1 board with Linaro OPTEE released normal OS + secure OS. After some tests, I find that every time when the Client Application (CA) calls the function of a Trusted...
  • Why set Trusted Firmware BL2 as Secure-EL1?
    Hi,    I am studying Juno board trusted firmware.    I'm not clear why is trusted firmware BL2 set to secure-EL1 instead of EL3.    Thanks for your attention! Emmy
  • Can I set NIC (registers) with secure privilege?
    Hi experts, I'm using a Juno r1 board which is deployed with a Yukon Ultra-2 Ethernet Controller. Now I'm working on a project which is trying to protect some registers of this NIC based on the TrustZone...