Cortex-M33 - SVC call from non-secure code does not trigger non-secure SVC exception

Hello, I am trying to do a proof-of-concept running the Apache NuttX RTOS on STMicroelectronic's ST32L562E-DK board as the non-secure application with TrustedFirmware-M (ST's port of TF-M provided with...
Cortex-M33 - SVC call from non-secure code does not trigger non-secure SVC exception

Hello, I am trying to do a proof-of-concept running the Apache NuttX RTOS on STMicroelectronic's ST32L562E-DK board as the non-secure application with TrustedFirmware-M (ST's port of TF-M provided with...
Cortex M33 non secure wifi

Hello, I am using an NXP LPC55S69 with a Cortex M33 and Arm trustzone. The application I try to develop does some calculations in secure world and then pass the result to non-secure world where the...
Cortex M33 non secure wifi

Hello, I am using an NXP LPC55S69 with a Cortex M33 and Arm trustzone. The application I try to develop does some calculations in secure world and then pass the result to non-secure world where the...
How to control the Non-Secure MPU exclusively inside the Secure world in the Cortex M33?

Hello, I am currently working on a project where I need the NonSecure MPU (NS-MPU) to be exclusively controllable by the Secure World. I know it is possible to control the NS-MPU inside the Secure...