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请教:REE与TEE相互切换时,MONITOR保存REE/TEE上下文位置的信息是存放在TEE管控的TEE内存中吗?其存放位置区域是否是固定的?还是由MONITOR软件自己设计定义的?谢谢。
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请教:REE与TEE相互切换时,MONITOR保存REE/TEE上下文位置的信息是存放在TEE管控的TEE内存中吗?其存放位置区域是否是固定的?还是由MONITOR软件自己设计定义的?谢谢。
MTS
over 6 years ago
同上
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jtzhou
over 6 years ago
+2
verified
Hi MTS 对于ARMv8 AArch64架构来说, secure monitor 代码运行在EL3, EL3是属于secure world。Secure monitor 的代码一般是运行在secure secure sram, 以runtime service 的方式为secure world/normal world 切换进行提供服务。 Secure monitor 保存的REE/TEE...