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MMU/MPU view/Commands view cannot be used with DS-5.

MMU/MPU view/command view cannot be used with DS-5.

I want to check the MMU settings, but I can't use the MMU/MPU view on the DS-5. "MMU information is not available" is displayed on the MMU/MPU view screen. Also, even though the debugger is connected (the program can be stepped through, etc.), I cannot enter any commands in the Commands view. It looks like it behaves like the debugger is not connected.

Since we are using the Cortex-A55 virtual prototyping model, we use the GDB debugger (aarch64-none-gdb) to connect the Cortex-A55 and DS-5.

What should I do to use the MMU/MPU view/command view?