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Breakpoints (S/H) could not be invoked when EL2 return EL1

freshmen

Hi guys,

I use the DS-5 to debug R52, and i found that it could not be broken during entering EL1 from EL2. I tried with the R52 sample code, and got the same result.

Following is my step using the debugger:

1. connect the R52 debugger

2. set break point at EL2_Reset_handler  and EL1_Reset_handler --- refer to the 'startup-Cortex-R52' Sample code.

3. Press F8 to start trace, and it could stop at El2_Reset_handler

4. Press F8 to continue, but it could not stop  on EL1_Reset_handler

Could give some suggestions, pls?

Thanks,

George

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