1 files changed, 47 insertions, 0 deletions

diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 548ffd077b..37d0b15586 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -658,6 +658,53 @@
     </para>
 </section>
 
+<section id='ref-classes-grub-efi'>
+    <title><filename>grub-efi.bbclass</filename></title>
+
+    <para>
+        The GRUB Extensible Firmware Interface (<filename>grub-efi</filename>)
+        class provides <filename>grub-efi</filename>-specific functions for
+        building bootable images.
+    </para>
+
+    <para>
+        This class supports several variables:
+        <itemizedlist>
+            <listitem><para>
+                <link linkend='var-INITRD'><filename>INITRD</filename></link>:
+                Indicates a filesystem image to use as an initrd (optional).
+                </para></listitem>
+            <listitem><para>
+                <link linkend='var-ROOTFS'><filename>ROOTFS</filename></link>:
+                Indicates a filesystem image to include as the root filesystem
+                (optional).</para></listitem>
+            <listitem><para>
+                <link linkend='var-GRUB_GFXSERIAL'><filename>GRUB_GFXSERIAL</filename></link>:
+                Set this to "1" to have graphics and serial in the boot menu.
+                </para></listitem>
+            <listitem><para>
+                <link linkend='var-LABELS'><filename>LABELS</filename></link>:
+                A list of targets for the automatic configuration.
+                </para></listitem>
+            <listitem><para>
+                <link linkend='var-APPEND'><filename>APPEND</filename></link>:
+                An override list of append strings for each
+                <filename>LABEL</filename>.
+                </para></listitem>
+            <listitem><para>
+                <link linkend='var-GRUB_OPTS'><filename>GRUB_OPTS</filename></link>:
+                Additional options to add to the configuration (optional).
+                Options are delimited using semi-colon characters
+                (<filename>;</filename>).</para></listitem>
+            <listitem><para>
+                <link linkend='var-GRUB_TIMEOUT'><filename>GRUB_TIMEOUT</filename></link>:
+                Timeout before executing the default <filename>LABEL</filename>
+                (optional).
+                </para></listitem>
+       </itemizedlist>
+   </para>
+</section>
+
 <section id='ref-classes-gtk-icon-cache'>
     <title><filename>gtk-icon-cache.bbclass</filename></title>