Architectures and Processors forum Is there Trustzone extension for ARM V9?

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Is there Trustzone extension for ARM V9?

Manjunath Kalmath over 3 years ago

Is there Trustzone extension for ARM V9?

Thanks & Regards

Manjunath

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42Bastian Schick over 3 years ago in reply to Manjunath Kalmath +1 verified

Why should be there no trustzone? Armv9 includes all Armv8.x.

0 42Bastian Schick over 3 years ago

Armv9 or Arm9 (which is Armv4T or 5TE).

If the the later: No.
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0 Manjunath Kalmath over 3 years ago in reply to 42Bastian Schick

Armv9
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+1 42Bastian Schick over 3 years ago in reply to Manjunath Kalmath

Why should be there no trustzone? Armv9 includes all Armv8.x.
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0 Manjunath Kalmath over 3 years ago in reply to 42Bastian Schick

Thanks for the reply 42Bastian Schick
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0 Zenon Xiu (修志龙） over 3 years ago

Trustzone is still available in armv9-a, moreover, it is with secure EL2 support for Trustzone.
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