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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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WARNING: Compiled program no longer working after 13/7/18 upgrade

Posted by matherp on 2018-07-18 18:47

I’m developing a large program on the Nucleo H743. It has multiple device support including USB host and SDMMC. Following accepting the 13/7/18 upgrade the executable no longer runs properly. Backing down to 2.24 fixes the issue.

Including debug features (LED flash) suggests that in-line code and basic chip setup is OK but interrupt servicing gives no indication of working (no response to UART)

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Posted by LaurentL on 2018-07-19 09:23

Hello,

Gcc compiler has been updated so maybe there is more optimisations ?
Can you try without optimising ?

Rgds,
Laurent

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Posted by matherp on 2018-07-19 11:36

“Gcc compiler has been updated so maybe there is more optimisations ?
Can you try without optimising ?”

The problem isn’t in the compiler. If I allow upgrades EXCEPT the compiler the problem occurs. If I upgrade JUST the compiler all is OK

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