Hello, I'm trying to test the CPU compare module.
I want to run its self-test and propagate a error from it to the ESM.
I'm stucked in getting in privileged mode to write in the CCMKEYR register.
I've tried to write it inside a Interruption to test if it is the privileged mode, but keeps reading zero.
I'm missing something ? There is a way to get in supervisor mode ?
You can use the SuperVisor Call (SVC) instruction (formerly SWI) to enter Supervisor mode,
Please be aware that the use of SWI is deprecated on the v7R architecture (Cortex-R4(f)). It should be replaced by the SVC instruction in any code.
To be able to cover both cases, following code snippet can be used:
Can you verify the answer so that i can close the post
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