Intel® Stratix® 10 Hard Processor System Technical Reference Manual

ID 683222
Date 11/28/2022
Public

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3.5.1.2. Security Model

The ARM® Cortex® -A53 processor implements all of the exception levels. The EL3 exists only in the secure state and a change from the secure state to the non-secure state is made only by an exception return from EL3. EL2 exists only in non-secure state.

Figure 5. Security Model when EL3 is using AArch64