Architectures and Processors forum Reason Behind EL2 in non-secured state ARMv8

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Reason Behind EL2 in non-secured state ARMv8

techguyz over 10 years ago

Hi Experts,

What is the reason behind allowing EL2 only in non-secured state in ARMv8 ?

Regards,

Techguyz

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Matt Sealey over 10 years ago +1 verified

Hi techguyz, Simply put, it isn't a reasonable use of processor resources to virtualise the Secure state. The primary use case for the Secure state is to provide trusted services, and these services are...