zephyr/boards/arm/fvp_baser_aemv8r/doc/debug-with-arm-ds.rst

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.. _debug_with_arm_ds:
Debug with Arm DS
#################
Install Arm DS
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Please refer to the official Arm Development Studio Page [1]_ for details. Here
``Version: 2020.b Build: 2020110909`` is used in the following example.
.. image:: images/version-info.jpg
:align: center
:alt: Arm DS Version
Download Arm FVP BaseR AEMv8-R
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Please refer to official FVP page [2]_ for download instructions. Here ``$FVP_D``
is used to indicate which directory is FVP located.
Use DS perspective
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From menu choose ``Window -> Perspective -> Open Perspective -> Other...``:
.. image:: images/perspective-choose-other.jpg
:align: center
:alt: Arm DS Perspective choose Other...
In the opened window, choose ``Development Studio (default)``:
.. image:: images/perspective-choose-ds.jpg
:align: center
:alt: Arm DS Perspective choose DS
Create a new configuration database
***********************************
Create a new configuration database by selecting ``File -> New -> Other... -> Configuration Database``:
.. image:: images/create-new-configuration-database.jpg
:align: center
:alt: Arm DS create new configuration database
Choose a name for the database. Here ``Zephyr`` is used:
.. image:: images/create-new-configuration-database_database-name.jpg
:align: center
:alt: Arm DS create new configuration database: choose database name
Click ``Finish`` and the new configuration database can be seen in ``Project Explorer``:
.. image:: images/create-new-configuration-database_shown-in-project-explorer.jpg
:align: center
:alt: Arm DS create new configuration database: shown in project explorer
Create a new model configuration
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Right click ``Zephyr`` in ``Project Explorer``, choose ``New -> Model Configuration``:
.. image:: images/create-new-model-configuration.jpg
:align: center
:alt: Arm DS create new model configuration
In the opened window:
1. Choose ``Iris`` for ``Model Interface``, then ``Next >``.
2. Choose ``Launch and connect to specific model``, then ``Next >``.
3. Set ``Model Path`` to ``$FVP_D/FVP_BaseR_AEMv8R``, then ``Finish``.
.. image:: images/create-new-model-configuration_model-path.jpg
:align: center
:alt: Arm DS create new model configuration: set model path
Then in ``FVP_BaseR_AEMv8R`` tab, change ``ARMAEMv8-R_`` to ``V8R64-Generic``,
click ``Save`` and then click ``Import``:
.. image:: images/create-new-model-configuration_model-use-V8R64-Generic.jpg
:align: center
:alt: Arm DS create new model configuration: import
Create a new launch configuration
*********************************
From ``Project Explorer``, right click ``FVP_BaseR_AEMv8R`` and select ``Debug as -> Debug configurations...``:
.. image:: images/create-new-launch-configuration_context-menu.jpg
:align: center
:alt: Arm DS create new launch configuration: context menu
Select ``Generic Arm C/C++ Application`` and click ``New launch configuration`` button.
A new configuration named ``New_configuration`` will be created.
1. In ``Connection`` tab:
- In ``Select target`` box, select ``Imported -> FVP_BaseR_AEMv8R -> Bare Metal Debug -> ARMAEMv8-R_MP_0``
- In ``Connections`` box, set ``Model parameters`` to::
-C bp.dram.enable_atomic_ops=1 -C bp.sram.enable_atomic_ops=1 -C bp.refcounter.non_arch_start_at_default=1 -C gic_distributor.GICD_CTLR-DS-1-means-secure-only=1 -C gic_distributor.has-two-security-states=0 -C bp.vis.disable_visualisation=1 -C cluster0.has_aarch64=1 -a /home/fengqi/zephyrproject/build/zephyr/zephyr.elf
These parameters are passed to ``FVP_BaseR_AEMv8R`` when launches. Run ``FVP_BaseR_AEMv8R --help``
to see all command line options. Run ``FVP_BaseR_AEMv8R --list-params`` to see all supported parameters.
The file ``zephyr.elf`` specified by ``-a`` is the binary built from Zephyr.
.. image:: images/create-new-launch-configuration_connection.jpg
:align: center
:alt: Arm DS create new launch configuration: connection
2. In ``Files`` tab:
In ``Files`` box, set ``Load symbols from file`` to full path of ``zephyr.elf`` that you built.
.. image:: images/create-new-launch-configuration_files.jpg
:align: center
:alt: Arm DS create new launch configuration: files
3. In ``Debugger`` tab:
- In ``Run control`` box, check ``Execute debugger commands`` and insert::
add-symbol-file "/home/fengqi/zephyrproject/build/zephyr/zephyr.elf" EL1S:0
Replace ``/home/fengqi/zephyrproject/build/zephyr/zephyr.elf`` with your local path.
- In ``Paths`` box, set ``Source search directory`` to the path to Zephyr source code.
.. image:: images/create-new-launch-configuration_debugger.jpg
:align: center
:alt: Arm DS create new launch configuration: debugger
After all these changes are made, click ``Apply``, then click ``Debug``. DS will
launch ``FVP_BaseR_AEMv8R`` and connect to it. You can see a new session is
connected in ``Debug Control`` window.
.. image:: images/DS-debug-working.jpg
:align: center
:alt: Arm DS working
References
**********
.. [1] https://developer.arm.com/tools-and-software/embedded/arm-development-studio
.. [2] https://developer.arm.com/tools-and-software/simulation-models/fixed-virtual-platforms/arm-ecosystem-models