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Import FPV model : Failed to read 4 bytes from address 0

bradn

I'm using ADS Version: 2024.b-1 and have a project where I can run and debug code using the ADS suppled Coretex-A720 FPV model.  I would like to run / debug the same code on a different FPV model not supplied under the ADS install.

I followed the instructions here to create a model connection

https://developer.arm.com/documentation/107644/0100/Using-Arm-Development-Studio-to-debug-Fast-Models-systems/Import-the-FVP-into-Arm-Development-Studio

The error I run into is in the Disassembly: window I see 

"EL1N:0x0000000000000000 : Failed to read 4 bytes from address EL1N:0x0000000000000000"

Any tips or advice would be much appreciated.  Thanks.

Parents
  • 0 in reply to Ronan Synnott

    Thanks for looking. I opened a support request.

    Just in case this helps here or with the support ticket I found the following in the debugger error log

    !ENTRY com.arm.debugger.ux 4 0 2025-06-23 14:02:37.574
    !MESSAGE Unable to map memory space NON_SECURE
    !STACK 0
    com.arm.debug.interpreter.ds.DSException: Failed to load "my.axf"
    at com.arm.debug.interpreter.ds.commands.file.AbstractFileCommand.executeOrUnload(AbstractFileCommand.java:84)
    at com.arm.debug.interpreter.ds.commands.file.LoadCommand.execute(LoadCommand.java:48)
    at com.arm.debug.interpreter.ds.commands.file.LoadCommand.execute(LoadCommand.java:1)
    at com.arm.debug.interpreter.ds.DSInterpreter$3.run(DSInterpreter.java:369)
    at com.arm.debug.interpreter.ds.DSInterpreter$3.run(DSInterpreter.java:1)
    at com.arm.debug.core.engine.connection.ConnectionEventManager$QueuedTask.run(ConnectionEventManager.java:94)
    at com.arm.debug.core.engine.connection.ConnectionEventManager.processTask(ConnectionEventManager.java:305)
    at com.arm.debug.core.engine.connection.ConnectionEventManager.access$8(ConnectionEventManager.java:303)
    at com.arm.debug.core.engine.connection.ConnectionEventManager$2.run(ConnectionEventManager.java:208)
    at com.arm.debug.control.CommandTask.fillInStackTrace(CommandTask.java:78)
    at com.arm.debug.control.ConnectionController.execute(ConnectionController.java:1959)
    at com.arm.debug.api.AbstractCommands.execute(AbstractCommands.java:115)
    at com.arm.debug.api.Commands.consoleCommand(Commands.java:149)
    at com.arm.debug.views.debugConsole.DebugConsolePage.commandIssued(DebugConsolePage.java:779)
    at com.arm.debug.views.debugConsole.DebugCommandLine.notifyListeners(DebugCommandLine.java:160)
    at com.arm.debug.views.debugConsole.DebugCommandLine.keyTraversed(DebugCommandLine.java:246)

    .....

Reply
  • 0 in reply to Ronan Synnott

    Thanks for looking. I opened a support request.

    Just in case this helps here or with the support ticket I found the following in the debugger error log

    !ENTRY com.arm.debugger.ux 4 0 2025-06-23 14:02:37.574
    !MESSAGE Unable to map memory space NON_SECURE
    !STACK 0
    com.arm.debug.interpreter.ds.DSException: Failed to load "my.axf"
    at com.arm.debug.interpreter.ds.commands.file.AbstractFileCommand.executeOrUnload(AbstractFileCommand.java:84)
    at com.arm.debug.interpreter.ds.commands.file.LoadCommand.execute(LoadCommand.java:48)
    at com.arm.debug.interpreter.ds.commands.file.LoadCommand.execute(LoadCommand.java:1)
    at com.arm.debug.interpreter.ds.DSInterpreter$3.run(DSInterpreter.java:369)
    at com.arm.debug.interpreter.ds.DSInterpreter$3.run(DSInterpreter.java:1)
    at com.arm.debug.core.engine.connection.ConnectionEventManager$QueuedTask.run(ConnectionEventManager.java:94)
    at com.arm.debug.core.engine.connection.ConnectionEventManager.processTask(ConnectionEventManager.java:305)
    at com.arm.debug.core.engine.connection.ConnectionEventManager.access$8(ConnectionEventManager.java:303)
    at com.arm.debug.core.engine.connection.ConnectionEventManager$2.run(ConnectionEventManager.java:208)
    at com.arm.debug.control.CommandTask.fillInStackTrace(CommandTask.java:78)
    at com.arm.debug.control.ConnectionController.execute(ConnectionController.java:1959)
    at com.arm.debug.api.AbstractCommands.execute(AbstractCommands.java:115)
    at com.arm.debug.api.Commands.consoleCommand(Commands.java:149)
    at com.arm.debug.views.debugConsole.DebugConsolePage.commandIssued(DebugConsolePage.java:779)
    at com.arm.debug.views.debugConsole.DebugCommandLine.notifyListeners(DebugCommandLine.java:160)
    at com.arm.debug.views.debugConsole.DebugCommandLine.keyTraversed(DebugCommandLine.java:246)

    .....

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