Failed to read contents of Internal RAM L1-I_DATA in ARM DS

Hi, 

I was able to view the cache of the armv8 CPU using ARM DS-5. Applying the same steps, i try to view the cache of armv8 CPU using the ARM Development Studio, it throw me an error saying that "Failed to read contents of Internal RAM L1-I_DATA. Please help

My ARM DS version is 2019.1 Build: 201910913

Regards,
Boon Khai

Parents
  • After contacting arm support.

    The CACHE_DEBUG_MODE option some how was not set. To check the option value, at ds command run

    $ debug-agent 

    look for CACHE_DEBUG_MODE option and it will show 0.

    set it to 1 and the I'm able to read the cache

    $set debug-agent CACHE_DEBUG_MODE 1

    interrupt the processor and read the cache.

Reply
  • After contacting arm support.

    The CACHE_DEBUG_MODE option some how was not set. To check the option value, at ds command run

    $ debug-agent 

    look for CACHE_DEBUG_MODE option and it will show 0.

    set it to 1 and the I'm able to read the cache

    $set debug-agent CACHE_DEBUG_MODE 1

    interrupt the processor and read the cache.

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