Non-secure code calling secure code - Boot Loaders

I have a few questions regarding the interaction of secure and non secure code: 1. It is clear to me that non-secure code can only call secure code that is marked non-secure callable, and through certain...
Non-secure code calling secure code - Boot Loaders

I have a few questions regarding the interaction of secure and non secure code: 1. It is clear to me that non-secure code can only call secure code that is marked non-secure callable, and through certain...
ARMv8-M TrustZone: Secure & Non-Secure Modules Implementation

Dear Sir/Mam, I am new to ARM TrustZone technology. I have started studying ARMv8-M architecture in Cortex M23 and Cortex M33. I have gone through white paper Whitepaper - ARMv8-M Architecture Technical...
ARMv8-M TrustZone: Secure & Non-Secure Modules Implementation

Dear Sir/Mam, I am new to ARM TrustZone technology. I have started studying ARMv8-M architecture in Cortex M23 and Cortex M33. I have gone through white paper Whitepaper - ARMv8-M Architecture Technical...
Boot sequence and secure boot

Hi, I'm using SAM L11 which is based on Cortex-M23. I have difficulties understanding the boot sequence and have the following questions. 1. The software bootloader is stored in the BOOT region (B_S...