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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


ST-link printf to console with GDB and semihosting or ITM and ST Link Utility

Great point about the solder joints. I think the new ones come with a low value resistor closing the correct solder bridges. I have both the STM32F072B-DISCO and the STM32F401C-DISCO dev boards and they both already have that low value resistor closing the bridges. Also, check your schematics. There is a possibilitiy you can use a jumper wire to the SWD connector’s SWO line and have it work that way.

Another thing to remind everyone is that if you are making your projects using something other than the ST Cube you might have to include the relevant files manually. That is to say the CMSIS files for the ITM or librdirmon for semihosting.