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man: document the new systemd-boot drop-in driver dir logic
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@ -280,17 +280,29 @@
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usually mounted to <filename>/efi/</filename>, <filename>/boot/</filename> or
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<filename>/boot/efi/</filename> during OS runtime. It also processes files on the Extended Boot Loader
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partition which is typically mounted to <filename>/boot/</filename>, if it
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exists. <command>systemd-boot</command> reads runtime configuration such as the boot timeout and default
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exists.</para>
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<para><command>systemd-boot</command> reads runtime configuration such as the boot timeout and default
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entry from <filename>/loader/loader.conf</filename> on the ESP (in combination with data read from EFI
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variables). See
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<citerefentry><refentrytitle>loader.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. Boot
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entry description files following the <ulink url="https://systemd.io/BOOT_LOADER_SPECIFICATION">Boot
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Loader Specification</ulink> are read from <filename>/loader/entries/</filename> on the ESP and the
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Extended Boot Loader partition. Unified kernel boot entries following the <ulink
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<citerefentry><refentrytitle>loader.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
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<para>Boot entry description files following the <ulink
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url="https://systemd.io/BOOT_LOADER_SPECIFICATION">Boot Loader Specification</ulink> are read from
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<filename>/EFI/Linux/</filename> on the ESP and the Extended Boot Loader partition. Optionally, a random
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seed for early boot entropy pool provisioning is stored in <filename>/loader/random-seed</filename> in
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the ESP.</para>
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<filename>/loader/entries/</filename> on the ESP and the Extended Boot Loader partition.</para>
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<para>Unified kernel boot entries following the <ulink
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url="https://systemd.io/BOOT_LOADER_SPECIFICATION">Boot Loader Specification</ulink> are read from
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<filename>/EFI/Linux/</filename> on the ESP and the Extended Boot Loader partition.</para>
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<para>Optionally, a random seed for early boot entropy pool provisioning is stored in
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<filename>/loader/random-seed</filename> in the ESP.</para>
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<para>During initialization, <command>sd-boot</command> automatically loads all driver files placed in
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the <filename>/EFI/systemd/drivers/</filename> directory of the ESP. The files placed there must have an
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extension of the EFI architecture ID followed by <filename>.efi</filename> (e.g. for x86-64 this means a
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suffix of <filename>x64.efi</filename>). This may be used to automatically load file system drivers and
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similar, to extend the native firmware support.</para>
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</refsect1>
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<refsect1>
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