Shawn Xu

How Can I Know the Toolchain's Include Path?

1

I am using `cc` to compile several `C` source files to generate static lib. And using `bindgen` to generate C header files's wrapper file. I need to provide the Header...

RISCV fpu context save and restore according to the MSTATUS.FS

7

RISCV has a FS filed in MSTATUS, it indicates the status of the fpu. It can be initial, clean, dirty of off. When dealing with the fpu context save and...

Register RA will be modified when TX_ENABLE_EXECUTION_CHANGE_NOTIFY is enabled

1

Let us discuss the code below(**ports/risc-v32/iar/src/tx_thread_context_save.s** and others asm code) ``` #ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY /* _tx_execution_isr_enter is called with thread stack pointer */ call _tx_execution_isr_enter ; Call the ISR execution enter...

https://github.com/EIPStackGroup/OpENer/blob/70d6947c6ef97c5c8ccbc908b94651432e18cf9c/source/src/ports/STM32/opener.c#L102 I use FreeRTOS and CMSIS_OS2, when program run to this line, task will exit without calling vTaskDelete(). This will cause an error on FreeRTOS.