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Lock-Step mode execution on Cortex-R5

Ravinder

Dear Forum,

Could some one please elaborate on ,

1. what is Lock-Step Mode ?

2. What is the General HW configuration required ?

3. How to make a program/application executable in Lock-Step mode ?

- In Cortex-R5 , what are all compared at every state ? all processor registers ? what else ?

- How does processors know that, at what state they should compare results/or what ever ?
- Do the software program need to incorporate some special  lock-step instruction ? just like memory barrier instructions?

4. Please provide sample HW initialization for cortex-R5 ?

5. If lock step need some special programming in applications , please provide sample program/application to run in lock step mode?

Thanks,

Ravinder Are

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