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请问如何理解Secure和Non-secure？

源方 over 10 years ago

我在看ARMv7异常部分，看到Vector tables发现和以前不一样了，有Secure和Non-secure状态（还有Hyp和Monitor），请问怎么理解这两种状态？读那个寄存器可以知道当前ARM处于哪种状态？

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