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  • What is TrustZone for ARMv8-M?

    As a product manager for the Cortex-M33, I see this question pop up a lot. Below is my version of the answer.

    Characteristics of TrustZone technology

    • TrustZone is the security foundation for billions of ARM Cortex-A processor-based systems
    • TrustZone…

  • TrustZone of the Cortex-M vs. TrustZone of the Cortex-A

    What is the difference between the TrustZone of Cortex M23/33 and the TrustZone of Cortex A?
    Can you provide documentation on this topic? May I start to prototype my Cortex M23 application on a Cortex A processor and then migrate to Cortex M23 when chips…

  • RTOS Design Considerations Version 2.0 - SVCall behavior question

    Hi,

    In RTOS Design Considerations Version 2.0 document, Section 2.2 ("SVCall and PendSV exceptions") following is mentioned.

    When the processor is in Secure state, the SVC exception handling sequence fetches the exception vector from the Secure…