Hello,

I am using a IMX7 and the trustzone may be used with the op-tee technology. We are trying to have a very low power system where the A7 will sleep and wake up often. I wonder if the usage of the trustzone has an impact on the energy consumption…

Hey Community,

I am trying to figure out which RTOSs support Trust Zone M (Armv8-m).

I am aware that Keil RTX5, freeRTOS, Zephyr, but not sure if I am missing something.

Thanks

Hello All,

Below is my scenario that I am planning to use for my board bringup with A72/75 ( V8 ), and have query regarding Exception levels , peripheral access and NS bit . 

I wont be using TrustZone but would be using ATF as its feature rich and meets…

Hi,

I am using Arm Development Studio IDE to remotely debug an application with gdbserver, when I launch the application I have this message: thread 3700 #1 stopped (reserved) and it doesn't let me debug step by step.

How can I remove the reserved restriction…

The TZC-400 TrustZone module now has only up to ACE-lite interface. If I use CMN which is CHI and a memory controller which is also CHI, how can I enable TrustZone?

Thanks!

Hi, When confidential computing is exploding with Intel-SGX, I am supposing AWS is also on the topic with NITRO I am looking for similar scheme on ARM and more on ARM-8A, Aarch64 for RPI-4 like platform or similar. The requirement is an easy template…

Hi,

Arm documentation "ARM Security Technology Building a Secure System using TrustZone Technology" says: The mechanisms by which the physical processor can enter monitor mode from the Normal world are tightly controlled, and are all viewed as…

Hello,

I am using jetson tx2 development board which has arm cortex a57 processor which uses arm trusted firmware(atf) to boot. Trusty is the secure world operating system provided by atf.

Following are my questions:

1) How to configure how much ram…