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JTAG工具如何让CPU停下来?

hi, experts:

通过JTAG 接口,debug ARM Cortex-A7平台时:

JTAG tool与CPU Core连接后,通过halt命令,会让CPU停下来?

这是如何做到的?会做一些CoreSight相关register设置吗?

按我的理解:

1. 当我们设置Software breakpoint / Hardware breakpoint时,才会做一些register设置。

best wishes,

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