Doc: Restructured readme.rst

This patch converts the readme.rst, placed outside
of the documentation directory to a quick reference
page, using direct linking for hyperlinks. Doing so
would allow cgit to render it properly

Contents of the file have been moved to the index.rst.in

Change-Id: I6769465561ccaf98957af325103bef8b89b71026
Signed-off-by: Galanakis, Minos <minos.galanakis@arm.com>
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+##################
+Trusted Firmware M
+##################
+Trusted Firmware M provides a reference implementation of secure world software
+for ARMv8-M.
+
+.. Note::
+    The software implementation contained in this project is designed to be a
+    reference implementation of the Platform Security Architecture (PSA).
+    It currently does not implement all the features of that architecture,
+    however we expect the code to evolve along with the specifications.
+
+Terms ``TFM`` and ``TF-M`` are commonly used in documents and code and both
+refer to ``Trusted Firmware M.`` :doc:`Glossary </docs/glossary>` has the list
+of terms and abbreviations.
+
+#######
+License
+#######
+The software is provided under a BSD-3-Clause :doc:`License </docs/lic>`.
+Contributions to this project are accepted under the same license with developer
+sign-off as described in the :doc:`Contributing Guidelines </docs/contributing>`.
+
+This project contains code from other projects as listed below. The code from
+external projects is limited to ``app`` and ``platform`` folders.
+The original license text is included in those source files.
+
+- The ``platform`` folder currently contains drivers imported from external
+  project and the files have Apache 2.0 license.
+- The ``app`` folder contains files imported from CMSIS_5 project and the files
+  have Apache 2.0 license.
+- The ``bl2`` folder contains files imported from MCUBoot project and the files
+  have Apache 2.0 license.
+
+.. Note::
+    Any code that has license other than BSD-3-Clause is kept in specific sub
+    folders named ``ext`` so that it can isolated if required.
+
+############
+This Release
+############
+This release includes:
+
+    - A Secure FW with support for PSA Level 1 and 2 isolation on Armv8-M.
+    - The Interfaces exposed by the Secure FW to NS side.
+    - A secure fw model with NS application example.
+    - Secure services running within this SPE:
+
+        - Secure Storage Service (PSA Protected Storage API - 1.0-beta-2)
+        - Attestation (PSA API 1.0-beta-0)
+        - Crypto Service (PSA API 1.0-beta-1)
+        - TF-M Audit Log
+        - Platform Service
+        - Internal Trusted Storage (PSA API 1.0.0)
+
+    - PSA IPC support
+    - Support for Armv8-M mainline and baseline
+    - Testcases running baremetal and with RTX to test the functionality.
+    - BL2 bootloader for image authentication based on SHA256 and RSA-3072
+      digital signature.
+    - Build system based on cmake, supporting armclang and GNU Arm.
+
+*********
+Platforms
+*********
+Current release has been tested on:
+
+    - Cortex M33 based SSE-200 system:
+
+        - `FPGA image loaded on MPS2 board.
+          <https://developer.arm.com/products/system-design/development-boards/cortex-m-prototyping-systems/mps2>`__
+        - `Fast model FVP_MPS2_AEMv8M.
+          <https://developer.arm.com/products/system-design/fixed-virtual-platforms>`__
+        - `Musca-A test chip board.
+          <https://developer.arm.com/products/system-design/development-boards/iot-test-chips-and-boards/musca-a-test-chip-board>`__
+        - `Musca-B1 test chip board.
+          <https://developer.arm.com/products/system-design/development-boards/iot-test-chips-and-boards/musca-b-test-chip-board>`__
+        - `FPGA image loaded on MPS3 board.
+          <https://developer.arm.com/tools-and-software/development-boards/fpga-prototyping-boards/mps3>`__
+
+    - Cortex M23 based IoT Kit system:
+
+       - `FPGA image loaded on MPS2 board.
+         <https://developer.arm.com/products/system-design/development-boards/cortex-m-prototyping-systems/mps2>`__
+
+###############
+Getting Started
+###############
+
+************
+Prerequisite
+************
+Trusted Firmware M provides a reference implementation of PSA specifications.
+It is assumed that the reader is familiar with PSA concepts and terms. PSA
+specifications are currently not available in the public domain.
+
+The current TF-M implementation specifically targets TrustZone for ARMv8-M so a
+good understanding of the v8-M architecture is also necessary. A good place to
+get started with ARMv8-M is
+`developer.arm.com <https://developer.arm.com/technologies/trustzone>`__.
+
+**********************
+Really getting started
+**********************
+Trusted Firmware M source code is available on `git.trustedfirmware.org
+<https://git.trustedfirmware.org/trusted-firmware-m.git/>`__
+
+To build & run TF-M:
+
+    - Follow the :doc:`SW requirements guide </docs/user_guides/tfm_sw_requirement>`
+      to set up your environment.
+    - Follow the
+      :doc:`Build instructions </docs/user_guides/tfm_build_instruction>` to compile
+      and build the TF-M source.
+    - Follow the :doc:`User guide </docs/user_guides/tfm_user_guide>` for information
+      on running the example.
+
+To port TF-M to a another system or OS, follow the
+:doc:`OS Integration Guide </docs/user_guides/tfm_integration_guide>`
+
+Please also see the :doc:`glossary </docs/glossary>` of terms used in the project.
+
+:doc:`Contributing Guidelines </docs/contributing>` contains guidance on how to
+contribute to this project.
+
+Further documents can be found in the ``docs`` folder.
+
+
+####################
+Feedback and support
+####################
+For this early access release, feedback is requested via email to
+`support-trustedfirmware-m@arm.com <support-trustedfirmware-m@arm.com>`__.
+
+###############
+Version history
+###############
++-------------+--------------+--------------------+
+| Version     | Date         | Description        |
++=============+==============+====================+
+| v1.0-beta   | 2019-02-15   | 1.0-beta release   |
++-------------+--------------+--------------------+
+| v1.0-RC1    | 2019-05-31   | 1.0-RC1 release    |
++-------------+--------------+--------------------+
+| v1.0-RC2    | 2019-10-09   | 1.0-RC2 release    |
++-------------+--------------+--------------------+
+
+--------------
+
+*Copyright (c) 2017-2019, Arm Limited. All rights reserved.*