Huawei Cloud Developer Alliance
Apr 23, 2020 · Fundamentals
Understanding ARMv8‑A Exception Levels and Security States
This article explains the four ARMv8‑A exception levels, their privilege hierarchy, how they relate to secure and non‑secure states, and the typical software placement across EL0‑EL3, providing a clear foundation for ARM architecture security concepts.
ARMv8-AException LevelsSecurity State
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