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authorManish V Badarkhe <Manish.Badarkhe@arm.com>2021-01-24 20:39:39 +0000
committerManish V Badarkhe <Manish.Badarkhe@arm.com>2021-02-09 15:54:19 +0000
commitd30a6615d1cc267164b3bf6d71e0e15b2ec4f8a1 (patch)
treeacd45db951ba552ce50790734503d32f5ca55e53
parente0cea7831f21f6d5fe12fe464c5b618d1176c1c9 (diff)
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doc: Build option to protect GICR frame
Added a build option 'FVP_GICR_REGION_PROTECTION' to make redistributor frame of fused/unused cores as read only. Change-Id: Ie85f86e2465b93321a92a888ce8712a3144e4ccb Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
-rw-r--r--docs/plat/arm/fvp/index.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/plat/arm/fvp/index.rst b/docs/plat/arm/fvp/index.rst
index ea72962e8..235b7b687 100644
--- a/docs/plat/arm/fvp/index.rst
+++ b/docs/plat/arm/fvp/index.rst
@@ -142,6 +142,11 @@ Arm FVP Platform Specific Build Options
HW_CONFIG blob instead of the DTS file. This option is useful to override
the default HW_CONFIG selected by the build system.
+- ``FVP_GICR_REGION_PROTECTION``: Mark the redistributor pages of
+ inactive/fused CPU cores as read-only. The default value of this option
+ is ``0``, which means the redistributor pages of all CPU cores are marked
+ as read and write.
+
Booting Firmware Update images
------------------------------