1Firmware Framework for Armv8-A
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3The |FF-A| specification defines a software architecture that isolates Secure world firmware images from each other. The
4specification defines interfaces that standardize communication between various images. This includes communication
5between images in the Secure world and Normal world.
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7The Trusted Services project includes service providers that may be deployed within FF-A S-EL0 secure partitions. This
8includes service providers that form the security foundations needed for meeting PSA Certified requirements. Other secure
9partitions are available such as the SMM Gateway to provide Secure world backing for UEFI services.
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11The component :ref:`libsp` captures helpful abstractions to allow easy FF-A compliant S-EL0 SP development. S-EL0 SPs
12are SPMC agonistic and can be used with an SPMC running in any higher secure exception level (S-EL1 - S-EL3).
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16*Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.*
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18SPDX-License-Identifier: BSD-3-Clause
19