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[RFC] core: implement OCALLs #3673

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[RFC] core: implement OCALLs #3673

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Commits on Apr 5, 2021

  1. core: fix flag formatting 

    checkpatch suggests using the BIT macro instead of a left shift.

Signed-off-by: Hernan Gatta <hegatta@microsoft.com>
Reviewed-by: Jerome Forissier <jerome@forissier.org>
    @HernanGatta
    HernanGatta committed Apr 5, 2021
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  2. core: OCALL support 

    Adds the ability for TAs to perform "Out Calls", or OCALLs. OCALLs allow
TAs to invoke commands on their corresponding CA in the same way that CAs
can invoke commands on TAs. Also, adds a new capability that reports
whether OP-TEE was built with OCALL support.

Signed-off-by: Hernan Gatta <hegatta@microsoft.com>
Reviewed-by: Jerome Forissier <jerome@forissier.org>
    @HernanGatta
    HernanGatta committed Apr 5, 2021
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