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:
The advice from jLn_38 and ncertad worked for me on macOS High Sierra 10.13.6 (is there a way to give points/upvote?), although be aware that the installation may freeze at step two when it is waiting for a password in the terminal, but it’s not obvious why it has stopped.