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  • Data abort, External abort.. How can i find cause????

    Hi, experts

    I'm developing Secure OS on A57/53 bit.LITTLE SoC. But as you know.. Cuz i'm really beginner..

    I beg your wisdom...

    Current situation is :

    • For making a TA. Bring the related data from REE and Mapping TEE side's NON-SECURE memory. (Data…