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看到数据手册上IPCGR寄存器有28个源，是否可以把这28个源映射到12个不可屏蔽中断？如何映射？是否有参考文档？
不能，IPCGR对每个核只产生同一个事件，6670是Event 90，只能把它映射到某一个中断上，你需要在中断函数里查询IPCGR被置位的bit后再做相应的处理。
