my_pro\my_pro.axf: Error: L6218E: Undefined symbol OS_CPU_SR_Restore (referred from os_core.o). my_pro\my_pro.axf: Error: L6218E: Undefined symbol OS_CPU_SR_Save (referred from os_core.o). my_pro\my_pro.axf: Error: L6218E: Undefined symbol OSTaskReturnHook (referred from os_task.o). my_pro\my_pro.axf: Error: L6218E: Undefined symbol IrqFinish (referred from os_cpu_a.o). my_pro\my_pro.axf: Error: L6218E: Undefined symbol IrqStart (referred from os_cpu_a.o). my_pro\my_pro.axf: Error: L6218E: Undefined symbol need_to_swap_context (referred from os_cpu_a.o).
i AM TRY TO PORT UCOSII ON STM32L152RC.i AM GEETING FLOOWING ERRORS PLEASE HELP ME IN RESOLVING THEM