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+Porting
+=======
+
+.. toctree::
+   :maxdepth: 1
+
+   requirements
+   storage
+   build-flags
+   mandatory-mods
+   optional-mods
+
+Porting the TF-A Tests to a new platform involves making some mandatory and
+optional modifications for both the cold and warm boot paths. Modifications
+consist of:
+
+*   Implementing a platform-specific function or variable,
+*   Setting up the execution context in a certain way, or
+*   Defining certain constants (for example #defines).
+
+The platform-specific functions and variables are all declared in
+``include/plat/common/platform.h``. The framework provides a default
+implementation of variables and functions to fulfill the optional requirements.
+These implementations are all weakly defined; they are provided to ease the
+porting effort. Each platform port can override them with its own implementation
+if the default implementation is inadequate.
+
+--------------
+
+*Copyright (c) 2019, Arm Limited. All rights reserved.*