SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs
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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:
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that the working area should be some free RAM that can be used by the debugger, and would presumably need to be smaller than (physical size - application size). It’s also not clear to me how the debug interface speed plays into this. Guessing here, but maybe the work area gets disabled if it’s set to be >= the whole chip SRAM size, and the SRAM work area is needed to speed things up enough to support the full speed?
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