About this repo

This is a repo to share the project reproduce the Kernel issue for FreeRTOS for RL78 MCU. FreeRTOS/FreeRTOS-Kernel#740

Test environment

• Kit : FPB-RL78/G23
• Compiler : CC-RL v1.12.01
• IDE : e2 studio v2024-04 (eclipse base IDE)

Test project configuration

You can select the project behavior by setting TEST_DO_CORRECT_KERNEL_CODE macro on IDE. Please open the setting window of IDE and select C/C++ General -> Paths and Symbols. Please change the value of TEST_DO_CORRECT_KERNEL_CODE as you want to check. Build it and Run.

Macro name: TEST_DO_CORRECT_KERNEL_CODE

0: Don’t fixed portYIELD_FROM_ISR() : Default setting

1: Fixed portYIELD_FROM_ISR()

about Workround code

It is fixed when change the below code in portmacro.h.

From #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext() to #define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) portYIELD()

• portmacro.h

Run result

You can see the log output on the Terminal window just running the project and check whether the issue is happening or not.

When the issue reproduced(Set `TEST_DO_CORRECT_KERNEL_CODE=0(don’t fixed))

It stopped the log output.

When the fixing code adapted(Set `TEST_DO_CORRECT_KERNEL_CODE=1'(fixed))

It shows the log output