개요 글순서 1. Core 1.1. Interrupt handling 1.1.1. Use cases of world context switch 1.1.2. Core exception vectors 1.1.3. Native and foreign interrupts 1.1.4. Normal World invokes optee_os using SMC Entering the Secure Monitor Entry and exit of Trusted OS 1.1.5. Deliver non-secure interrupts to Normal World Forward a Foreign Interrupt from Secure World to Normal World SCR_NS 가 설정된 경우 Normal World 에 비..