SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world.
And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download two short videos (registration required) highlighting:

System Workbench for STM32

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-in project explorer (left) right click on project > Debug As > Ac6 STM32 C++ Application
- if this doesn’t work, check the following:
- in project explorer (left) right click project > Debug As > Debug Configurations
- goto second tab ‘Debugger’
- Check that at Configuration Script the radio button ‘User Defined’ is selected
- the scriptfile path is ‘${ProjDirPath}/application_Debug.cfg’
- Press Debug to test this. Probably this will not work (Eclipse Bug).
- in project explorer (left) find this file, right click, open with, Text Editor
- on line 10, it should be

transport select “hla_swd”

- unfortunately Eclipse overwrites this with “hla_jtag” the first 2 times. You can see this when you check the git-changes. It should be ‘hla_swd’
- Open Debug Configurations, and check again that Configuration script is ‘User Defined’.
- Press Debug to test this again.
- Check the file again, it should now be ‘hla_swd’. If you debug this now, it should work.