I'm looking into adding RISC-V FreeRTOS support to OpenOCD, which means I'm trying to understand how the OpenOCD FreeRTOS support works.
The first thing I don't understand: Before the program I'm debugging has created any threads, uxCurrentNumberOfTasks is 0. So FreeRTOS_update_threads() creates a dummy thread representing execution on hardware, and gives it threadid 1. That seems pretty reasonable. But then in FreeRTOS_get_thread_reg_list(), the code tries to read the stack pointer for this thread from the stack. That doesn't make any sense for this special thread, which simply reflects the current execution thread. It seems like this code should just read the regular registers for this case. I don't see where that might be happening, though. How is this supposed to work? Thank you, Tim
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