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Diffstat (limited to 'man/systemd-stub.xml')
| -rw-r--r-- | man/systemd-stub.xml | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/man/systemd-stub.xml b/man/systemd-stub.xml index 439d999c64..6625fca91e 100644 --- a/man/systemd-stub.xml +++ b/man/systemd-stub.xml @@ -79,6 +79,20 @@ <listitem><para>A <literal>.dtb</literal> section with a compiled binary DeviceTree.</para></listitem> + <listitem><para>Zero or more <literal>.dtbauto</literal> sections. Stub will always try to find first matching one. + Matching process extracts first <varname>compatible</varname> string from <literal>.dtbauto</literal> + section and compares it with the first Devicetree's <varname>compatible</varname> string supplied by + the firmware in configuration tables. If firmware does not provide Devicetree, matching with + <varname>.hwids</varname> section will be used instead. Stub will use SMBIOS data to calculate hardware + IDs of the machine (as per <ulink url="https://learn.microsoft.com/en-us/windows-hardware/drivers/install/specifying-hardware-ids-for-a-computer">specification</ulink>), + then it will proceed to trying to find any of them in <literal>.hwids</literal> section and will use first + matching entry's <varname>compatible</varname> as a search key among the <literal>.dtbauto</literal> + entries, in a similar fashion as the use of <varname>compatible</varname> string read from the firmware + provided Devicetree was described before. First matching <literal>.dtbauto</literal> section will be + loaded and will override <varname>.dtb</varname> if present.</para></listitem> + + <listitem><para>A <literal>.hwids</literal> section with hardware IDs of the machines to match Devicetrees (refer to <literal>.dtbauto</literal> section description).</para></listitem> + <listitem><para>A <literal>.uname</literal> section with the kernel version information, i.e. the output of <command>uname -r</command> for the kernel included in the <literal>.linux</literal> section.</para></listitem> |