Reading non-secure world code memory from the secure world

Hi! I am currently using an ARM Cortex-M23 based Nuvoton M2351 with the Keil MDK IDE. I am trying to read non-secure domain code memory (stored at 0x10040XXX) from privileged secure world code. I...
Reading non-secure world code memory from the secure world

Hi! I am currently using an ARM Cortex-M23 based Nuvoton M2351 with the Keil MDK IDE. I am trying to read non-secure domain code memory (stored at 0x10040XXX) from privileged secure world code. I...
Read non-secure DFAR from secure world

Note: This was originally posted on 7th June 2012 at http://forums.arm.com Hi, I understand that the DFAR (Data Fault Address Register) is banked between the secure and the non-secure world. I am writing...
Read non-secure DFAR from secure world

Note: This was originally posted on 7th June 2012 at http://forums.arm.com Hi, I understand that the DFAR (Data Fault Address Register) is banked between the secure and the non-secure world. I am writing...
BX to non secure code region in the secure world

I am wondering the behavior of Cortex-M33 if BX (not BXNS) is used to branch to non-secure code region. Based on the reference manual of ARMv8-M, it seems a UsageFault will be caused. However, I am...