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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Some undefined references


yes, your linker is not modified. but the error message indicates that you have data at address 0 & 26964.
This address range is not located within flash which explains the warning “no flash bank found for address 0 / 26946”.
to verify could you please attach the map file (~/Debug/output.map)

maybe you are not pointing to this linker, check (Project > Properties > C/C++ Build > Settings > MCU GCC Linker > General > Linker flags > Linker Script (-T) )