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

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C code executing out of order


Hi Greg,

If your optimizing setup is -Os by default, that means that, probably, you created your project through CubeMX; if you created it directly in System Workbench you would be using -Og, that yield less optimized but simpler to debug code.

Bernard (Ac6)