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67eebf7213
Appended DTB support is mostly intended to be used on legacy systems, but it is a valid feature that can be enabled for generic platform, which currently doesn't support it - if selected, the appended DTB will be ignored by the platform startup code. During kernel startup, the appended DTB's location is stored in fw_passed_dtb if the init code finds what appears to be a valid DTB. Otherwise (if a0 == -2), a1 is stored in fw_passed_dtb, so either way it will always point to either a user-passed DTB or built-in DTB. Signed-off-by: Marcin Nowakowski <marcin.nowakowski@fungible.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.