terms

.. SPDX-FileCopyrightText: Copyright 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
.. SPDX-License-Identifier: CC-BY-SA-4.0 AND LicenseRef-Patent-license

.. scterm:: Implementation Defined

    Behavior that is not defined by the this specification, but is defined and documented by individual implementations.

    Software developers can choose to depend on :sc:`IMPLEMENTATION DEFINED` behavior, but must be aware that their code might not be portable to another implementation.

.. scterm:: Programmer error

    An error that is caused by the misuse of a programming interface.

    A :sc:`PROGRAMMER ERROR` is in the caller of the interface, but it is detected by the implementer of the interface.

.. term:: Root of Trust
    :abbr: RoT

    This is the minimal set of software, hardware and data that is implicitly trusted in the platform --- there is no software or hardware at a deeper level that can verify that the Root of Trust is authentic and unmodified.

.. term:: Root of Trust Service
    :abbr: RoT Service

    A set of related security operations that are implemented in a :term:`Root of Trust`.

.. term:: Secure Partition Manager
    :abbr: SPM

    Part of :cite-title:`PSA-FFM` that is responsible for isolating software in Partitions, managing the execution of software within Partitions, and providing communication between Partitions.