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

State Not Answered
Locked Locked
Replies 5 replies
Subscribers 350 subscribers
Views 6559 views
Users 0 members are here

2025 survey

We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.

Options

How was your experience today?

This discussion has been locked.

You can no longer post new replies to this discussion. If you have a question you can start a new discussion

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?

Top replies

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.

Parents

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"
Cancel
Vote up 0 Vote down

Cancel

Reply

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"
Cancel
Vote up 0 Vote down

Cancel

Children

No data