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doc: capsule: Add documentation for the capsule dump feature

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Add documentation to explain the printing of the capsule headers
through the mkeficapsule tool.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sughosh Ganu 2023-10-10 14:40:55 +05:30 committed by Simon Glass
parent 6984077de0
commit ba5b960dcb
1 changed files with 17 additions and 0 deletions
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doc/develop/uefi/uefi.rst
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@ -385,6 +385,23 @@ capsules. Refer :ref:`etype_efi_capsule` for documentation about the
efi-capsule binman entry type, which describes all the properties that
can be specified.
Dumping capsule headers
***********************
The mkeficapsule tool also provides a command-line option to dump the
contents of the capsule header. This is a useful functionality when
trying to understand the structure of a capsule and is also used in
capsule verification. This feature is used in testing the capsule
contents in binman's test framework.
To check the contents of the capsule headers, the mkeficapsule command
can be used.
.. code-block:: console
$ mkeficapsule --dump-capsule \
<capsule_file_name>
Performing the update
*********************