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docs: add build options for GPT support enablement 

Documented the build options used in Arm GPT parser enablement.

Change-Id: I9d7ef2f44b8f9d2731dd17c2639e5ed0eb6d0b3a
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
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Manish V Badarkhe 2021-03-10 18:33:36 +00:00 committed by Manish V Badarkhe
parent ef1daa420f
commit e3be1086c4
2 changed files with 10 additions and 0 deletions
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docs/plat/arm/arm-build-options.rst
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@ -104,6 +104,14 @@ Arm Platform Build Options
device tree. This flag is defined only when ``ARM_SPMC_MANIFEST_DTS`` manifest
file name contains pattern optee_sp.
- ``ARM_GPT_SUPPORT``: Enable GPT parser to get the entry address and length of
the various partitions present in the GPT image. This support is available
only for the BL2 component, and it is disabled by default.
The following diagram shows the view of the FIP partition inside the GPT
image:
|FIP in a GPT image|
For a better understanding of these options, the Arm development platform memory
map is explained in the :ref:`Firmware Design`.
@ -140,4 +148,6 @@ Arm CSS Platform-Specific Build Options
--------------
.. |FIP in a GPT image| image:: ../../resources/diagrams/FIP_in_a_GPT_image.png
*Copyright (c) 2019-2021, Arm Limited. All rights reserved.*

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