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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 (registration required) various documents highlighting:

System Workbench for STM32


Debugger becomes unresponsive when enabling SysTick interrupt

Hi Dieter, thanks for your explanation. I cannot see the connection to the SysTick as well, but the issue is reproducable. I guess I should have mentioned that my code is in assembler. So the debugger never has some high-level language source code available - which is fine in my case. And application start is not an issue, because the application (a VM to support a high-level language other than C) starts in the reset handler and it seems that there is always a reset after programming. I guess I just have to get used to changing the jumper back to BOOT0=0 after flashing the code.

- Klaus