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ref-manual/variables: document the KERNEL_CONSOLE variable

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This variables holds the value of the `console` kernel command line
parameter.

Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
(From yocto-docs rev: ea638e85316d0bc5c9917cefacef168782e4d92b)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Antonin Godard
2024-12-20 13:16:28 +01:00
committed by Richard Purdie
parent 332ff4d1cf
commit 60e143a589
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documentation/ref-manual/variables.rst
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@@ -4578,6 +4578,19 @@ system and gives an overview of their function and contents.
You can register custom kernel image types with the
:ref:`ref-classes-kernel` class using this variable.
:term:`KERNEL_CONSOLE`
The :term:`KERNEL_CONSOLE` variable holds the value of the ``console``
parameter of the kernel command line and can be used in places such as a
``wks`` description file for :ref:`Wic images <dev-manual/wic:creating
partitioned images using wic>`.
The default value of this variable is extracted from the first console
device and setting in :term:`SERIAL_CONSOLES`. If nothing is found in
:term:`SERIAL_CONSOLES`, the default value is set to ``ttyS0,115200``).
For more information, see the `Kernel command-line documentation
<https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html>`__.
:term:`KERNEL_DANGLING_FEATURES_WARN_ONLY`
When kernel configuration fragments are missing for some
:term:`KERNEL_FEATURES` specified by layers or BSPs,