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Zephyr project on STM32

   Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
It enables users to easily create, develop, and debug Zephyr applications.
Main features:
  • Install host dependencies.
  • Import toolchain and SDK.
  • Create, configure, build and manage apps.
  • Debug STM32.
You can directly download it from the VSCode marketplace
For more details, visit the Zephyr Workbench

System Workbench for STM32

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openOCD with GDB: how to ignore interrupt and how to make openOCD FreeRTOS aware?

Posted by shahfenil08 on 2019-03-14 12:55

Hello,

In my application, I am using FreeRTOS underlying CMSIS-RTOS API. I am facing two issues related to RTOS and interrupts while debugging. whenever I start debuggig my application, debugger alaway go to interrupt hence I can not step in or step over other functions. I want to some how mask interrupt before step in and after stepping in, interrupt should be unmasked so that my application works properly. I read some post where it suggested to give a command 

  cortex_m maskisr auto


from openOCD DocumentationQuestion

but it gives me error while debudding. 

 Error in final launch sequence
Failed to execute MI command:
cortex_m maskisr auto
Error message from debugger back end:
Undefined command: "cortex_m".


I have written this command in Debug Configuration > Startups > Run Commands dialog box.

The second issue is, I want to make openOCD FreeRTOS aware. I have followed a blogpostQuestion and made a change in the script stm32f7xx.cfg. (this script is at location “C:\Ac6\SystemWorkbench\plugins\fr.ac6.mcu.debug_2.4.0.201902141520\resources\openocd\st_scripts\target”). So, I wrote in that script. 

 $_TARGETNAME -rtos auto configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0


But I am getting an error 

 Error: invalid subcommand "-rtos auto configure -work-area-phys 0x20000000 -work-area-size 0x8000 -work-area-backup 0"
in procedure 'script' 
at file "embedded:startup.tcl", line 60
at file "comm_card_2 Debug.cfg", line 29
in procedure 'STM32F746ZGTx.cpu' called at file "C:/Ac6/SystemWorkbench/plugins/fr.ac6.mcu.debug_2.4.0.201902141520/resources/openocd/st_scripts/target/stm32f7x.cfg", line 68


can anyone please tell me how to resolve these issues?

I am using: 

openOCD(for 32bits Windows) version: 1.22.0.xxx

System Workbench for STM32 - C/C++ Embedded Development Tools for MCU
Version: 2.8.1.201903050911

Eclipse GDB Hardware Debugging
Version: 9.2.1.201704050430

System Workbench for STM32 - C/C++ Debugging Tools for MCU
Version: 2.4.0.201902141520

MCU: STM32F746ZGTx (Arm Cortex-M7)
Board: NUCLEO-F746ZG


Thanks in advance

Regards,
Fenil

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