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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


STM32L476G-EVAL and ST-LINK/V2 Connection Problem

The cfg file is ok.

Then, i just got the error you have because i forgot to put the jumper on PSU (it was on STLINK as i use the internal STLink normally).
So, check again the jumpers on Eval board: PSU ON, PWR_EXT ON
And no USB cable on STLink v2-1 USB port of course.

Then, it was not so simple to remove the error, i had to quit and restart and replug the board supply.

I retried, reproducing the error with the jumper.
To recover, i had to put back jumper on PSU, unplug power AND STlink v2 usb.
No need to restart SW4STM32.
Replug Power and STlink v2.
Then i could debug again.

Also don’t forget to remove all terminated launches or restart SW4STM32 to be sure.


For the Breakpoints, OpenOcd only says you can set 6 hardware breakpoints on this target.
It doesn’t say you have set them.

Rgds,
Laurent