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电子工程专辑
4 年
扒开ARM中断控制器的底裤来看看!
GIC,Generic Interrupt Controller。是ARM公司提供的一个通用的中断控制器。主要作用为:接受硬件中断信号,并经过一定处理后,分发给对应的CPU进行处理。 当前GIC 有四个版本,GIC v1~v4, 本文主要介绍GIC v3控制器。 GIC v3中断类别 GICv3定义了以下中断类型: SGI (Software ...
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