ARM TrustZone's Secure/Normal world vs x86's Ring0/3 or OS's kernel/user mode?

I read document like this TrustZone Security Whitepaper . It describes that all resources like CPU, memory and others are divided by Secure World and Normal World . Programs in Normal World can not access...
ARM TrustZone's Secure/Normal world vs x86's Ring0/3 or OS's kernel/user mode?

I read document like this TrustZone Security Whitepaper . It describes that all resources like CPU, memory and others are divided by Secure World and Normal World . Programs in Normal World can not access...
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...
How to use FreeRTOS Scheduler with trustZone ARMV8-M M33 ?

I have a set of tasks in FreeRTOS and I need to put some of them in the secure world (Trustzone). Is there a communication to be established between the SMC trustZone side and the scheduler FreeRTOS...