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authorSandrine Bailleux <sandrine.bailleux@arm.com>2021-06-10 11:18:04 +0200
committerSandrine Bailleux <sandrine.bailleux@arm.com>2021-06-29 15:14:23 +0200
commitcc255b9f85c1bed5ad57dea9dfe896c2f4caaab7 (patch)
tree39c14a141427c68a9df79d181d0eb9e711d50b1a /docs
parenta5394205e94b70faf7ddd34841528ec631711d1a (diff)
downloadtrusted-firmware-a-cc255b9f85c1bed5ad57dea9dfe896c2f4caaab7.tar.gz
docs: explain Measured Boot dependency on Trusted Boot
Change-Id: I04d9439d5967e93896dfdb0f3d7b0aec96c743f9 Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Diffstat (limited to 'docs')
-rw-r--r--docs/getting_started/build-options.rst5
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 99fc21db32..6f60a8e38b 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -463,7 +463,10 @@ Common build options
the build. The default value is 40 in debug builds and 20 in release builds.
- ``MEASURED_BOOT``: Boolean flag to include support for the Measured Boot
- feature. If this flag is enabled ``TRUSTED_BOARD_BOOT`` must be set.
+ feature. If this flag is enabled ``TRUSTED_BOARD_BOOT`` must be set as well
+ in order to provide trust that the code taking the measurements and recording
+ them has not been tampered with.
+
This option defaults to 0 and is an experimental feature in the stage of
development.