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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@ -104,6 +104,14 @@ Arm Platform Build Options
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device tree. This flag is defined only when ``ARM_SPMC_MANIFEST_DTS`` manifest
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device tree. This flag is defined only when ``ARM_SPMC_MANIFEST_DTS`` manifest
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file name contains pattern optee_sp.
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file name contains pattern optee_sp.
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- ``ARM_GPT_SUPPORT``: Enable GPT parser to get the entry address and length of
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the various partitions present in the GPT image. This support is available
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only for the BL2 component, and it is disabled by default.
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The following diagram shows the view of the FIP partition inside the GPT
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image:
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|FIP in a GPT image|
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For a better understanding of these options, the Arm development platform memory
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For a better understanding of these options, the Arm development platform memory
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map is explained in the :ref:`Firmware Design`.
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map is explained in the :ref:`Firmware Design`.
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@ -140,4 +148,6 @@ Arm CSS Platform-Specific Build Options
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--------------
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--------------
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.. |FIP in a GPT image| image:: ../../resources/diagrams/FIP_in_a_GPT_image.png
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*Copyright (c) 2019-2021, Arm Limited. All rights reserved.*
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*Copyright (c) 2019-2021, Arm Limited. All rights reserved.*
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