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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

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You are viewing a reply to Unable Halt CPU During Debug  

Unable Halt CPU During Debug

Posted by LaurentL on 2017-01-06 11:09

Hello,

First, thanks for all the explanations on versions of OS and software, great, we don’t have to ask.
It seems you’ve done all the steps correctly.

You’re using an external STLINK V2 probe, did you connect the Reset line to your appli board ?

Did you check the voltage of mcu vdd ? Vcap pins alrights ?

Rgds,
Laurent

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