Architectures and Processors forum what is the clock cycles overhead for context switch in trust zone?

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what is the clock cycles overhead for context switch in trust zone?

Y.o.o over 5 years ago

what is the overhead in clock cycles for context switching inside the non-secured (non-secured thread and non-secured thread)

what is the overhead in clock cycles for context switching from the non-secured thread to secured thread ?

Is the answer different between M33 to M23?

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42Bastian Schick over 5 years ago in reply to Y.o.o +1

Y.o.o said: orry for not clarifying. I do mean context switch of two OS threads . Depends on the OS. Better ask in the forum for the OS you are using.

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0 42Bastian Schick over 5 years ago in reply to Y.o.o

The Cortex-M23 TRM says: "branch And exchange Non-secure BXNS <Rm> 4"
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0 42Bastian Schick over 5 years ago in reply to Y.o.o

The Cortex-M23 TRM says: "branch And exchange Non-secure BXNS <Rm> 4"
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