FAQs for QDSP6 Debugger


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When attaching to the Hexagon core, I get an error message: "ISDB locked, core not ready". What does this mean and how can I debug my application?
Ref: 0384

Attaching to the Hexagon core failed, because the on-chip debug interface is locked.

By default, the In-Silicon Debugger (ISDB) of the Hexagon core is locked for security reasons. Only the application which is loaded to the Hexagon Core by the ARM application can unlock the ISDB from internal.

In order to debug your application, you have to modify it so that it enables the ISDB and permits debugging. See the Hexagon Architecture Manuals for more information.




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Last generated/modified: 05-Dec-2019