Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+Trusted Firmware-A Documentation
+================================
+
+.. toctree::
+   :maxdepth: 1
+   :numbered:
+
+   Home<self>
+   about/index
+   getting_started/index
+   process/index
+   components/index
+   design/index
+   porting-guide
+   plat/index
+   perf/index
+   security_advisories/index
+   design_documents/index
+   threat_model/index
+   tools/index
+   change-log
+   glossary
+   license
+
+Trusted Firmware-A (TF-A) provides a reference implementation of secure world
+software for `Armv7-A and Armv8-A`_, including a `Secure Monitor`_ executing
+at Exception Level 3 (EL3). It implements various Arm interface standards,
+such as:
+
+-  The `Power State Coordination Interface (PSCI)`_
+-  `Trusted Board Boot Requirements CLIENT (TBBR-CLIENT)`_
+-  `SMC Calling Convention`_
+-  `System Control and Management Interface (SCMI)`_
+-  `Software Delegated Exception Interface (SDEI)`_
+-  `PSA FW update specification`_
+
+Where possible, the code is designed for reuse or porting to other Armv7-A and
+Armv8-A model and hardware platforms.
+
+This release provides a suitable starting point for productization of secure
+world boot and runtime firmware, in either the AArch32 or AArch64 execution
+states.
+
+Users are encouraged to do their own security validation, including penetration
+testing, on any secure world code derived from TF-A.
+
+In collaboration with interested parties, we will continue to enhance |TF-A|
+with reference implementations of Arm standards to benefit developers working
+with Armv7-A and Armv8-A TrustZone technology.
+
+Getting Started
+---------------
+
+The |TF-A| documentation contains guidance for obtaining and building the
+software for existing, supported platforms, as well as supporting information
+for porting the software to a new platform.
+
+The **About** chapter gives a high-level overview of |TF-A| features as well as
+some information on the project and how it is organized.
+
+Refer to the documents in the **Getting Started** chapter for information about
+the prerequisites and requirements for building |TF-A|.
+
+The **Processes & Policies** chapter explains the project's release schedule
+and process, how security disclosures are handled, and the guidelines for
+contributing to the project (including the coding style).
+
+The **Components** chapter holds documents that explain specific components
+that make up the |TF-A| software, the :ref:`Exception Handling Framework`, for
+example.
+
+In the **System Design** chapter you will find documents that explain the
+design of portions of the software that involve more than one component, such
+as the :ref:`Trusted Board Boot` process.
+
+**Platform Ports** provides a list of the supported hardware and software-model
+platforms that are supported upstream in |TF-A|. Most of these platforms also
+have additional documentation that has been provided by the maintainers of the
+platform.
+
+The results of any performance evaluations are added to the
+**Performance & Testing** chapter.
+
+**Security Advisories** holds a list of documents relating to |CVE| entries that
+have previously been raised against the software.
+
+--------------
+
+*Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.*
+
+.. _Armv7-A and Armv8-A: https://developer.arm.com/products/architecture/a-profile
+.. _Secure Monitor: http://www.arm.com/products/processors/technologies/trustzone/tee-smc.php
+.. _Power State Coordination Interface (PSCI): https://developer.arm.com/documentation/den0022/latest/
+.. _Trusted Board Boot Requirements CLIENT (TBBR-CLIENT): https://developer.arm.com/docs/den0006/latest/trusted-board-boot-requirements-client-tbbr-client-armv8-a
+.. _System Control and Management Interface (SCMI): http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/DEN0056A_System_Control_and_Management_Interface.pdf
+.. _Software Delegated Exception Interface (SDEI): http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf
+.. _SMC Calling Convention: https://developer.arm.com/docs/den0028/latest
+.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/a/