• CA7 MPCore中如何判断Core处于Non-Secure state?

    chinatiger
    chinatiger

    hi, experts:

    以Cortex-A7 MPCore为例:

    如何判断一个Core已经成功切换到Non-Secure state?

    MPCore reset后,通过读取SCR register,可知当前Core处于Secure state.

    执行相关Non-Secure state切换代码后:访问SCR会hang住,这代表切换Non-Secure state成功了吗?

    best wishes,

    • Answered
    • over 6 years ago
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