From d30a6615d1cc267164b3bf6d71e0e15b2ec4f8a1 Mon Sep 17 00:00:00 2001 From: Manish V Badarkhe Date: Sun, 24 Jan 2021 20:39:39 +0000 Subject: [PATCH] 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 --- docs/plat/arm/fvp/index.rst | 5 +++++ 1 file changed, 5 insertions(+) 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 ------------------------------