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docs: add PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE to porting-guide.rst

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Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: I79761347919a0dfa86a29b5424f1d34fc4ab91cb
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Tamas Ban 2022-09-16 14:09:30 +02:00
parent 6aa71542f3
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docs/getting_started/porting-guide.rst
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@ -242,6 +242,11 @@ likely to be suitable for all platform ports.
Defines the maximum address in secure RAM that the BL31 image can occupy.
- **#define : PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE**
Defines the maximum message size between AP and RSS. Need to define if
platform supports RSS.
For every image, the platform must define individual identifiers that will be
used by BL1 or BL2 to load the corresponding image into memory from non-volatile
storage. For the sake of performance, integer numbers will be used as