44binit_1

代码说明：

说明：  arm的非向量中断通过执行IsrIRQ判断中断源，找到相应Handle***的地址。 此程序是在arm上实现向量方式中断的初始化程序(arm of the non-vector interruption through the implementation IsrIRQ judgment interrupt source, find the corresponding Handle*** address. This procedure is the arm on the way to achieve vector interrupt the initialization procedures)