1 files changed, 48 insertions, 0 deletions

diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 756acee71c..bd1ec36ae3 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1979,6 +1979,54 @@
     </para>
 </section>
 
+<section id='ref-classes-syslinux'>
+    <title><filename>syslinux.bbclass</filename></title>
+
+    <para>
+        The <filename>syslinux</filename> class provides syslinux-specific
+        functions for building bootable images.
+    </para>
+
+    <para>
+        The class supports the following variables:
+        <itemizedlist>
+            <listitem><para><emphasis><link linkend='var-INITRD'><filename>INITRD</filename></link>:</emphasis>
+                Indicates a filesystem image to use as an initial RAM disk
+                (initrd).
+                This variable is optional.</para></listitem>
+            <listitem><para><emphasis><link linkend='var-ROOTFS'><filename>ROOTFS</filename></link>:</emphasis>
+                Indicates a filesystem image to include as the root filesystem.
+                This variable is optional.</para></listitem>
+            <listitem><para><emphasis><link linkend='var-AUTO_SYSLINUXMENU'><filename>AUTO_SYSLINUXMENU</filename></link>:</emphasis>
+                Enables creating an automatic menu when set to "1".
+                </para></listitem>
+            <listitem><para><emphasis><link linkend='var-LABELS'><filename>LABELS</filename></link>:</emphasis>
+                Lists targets for automatic configuration.
+                </para></listitem>
+            <listitem><para><emphasis><link linkend='var-APPEND'><filename>APPEND</filename></link>:</emphasis>
+                Lists append string overrides for each label.
+                </para></listitem>
+            <listitem><para><emphasis><link linkend='var-SYSLINUX_OPTS'><filename>SYSLINUX_OPTS</filename></link>:</emphasis>
+                Lists additional options to add to the syslinux file.
+                Semicolon characters separate multiple options.
+                </para></listitem>
+            <listitem><para><emphasis><link linkend='var-SYSLINUX_SPLASH'><filename>SYSLINUX_SPLASH</filename></link>:</emphasis>
+                Lists a background for the VGA boot menu when you are using the
+                boot menu.</para></listitem>
+            <listitem><para><emphasis><link linkend='var-SYSLINUX_DEFAULT_CONSOLE'><filename>SYSLINUX_DEFAULT_CONSOLE</filename></link>:</emphasis>
+                Set to "console=ttyX" to change kernel boot default console.
+                </para></listitem>
+            <listitem><para><emphasis><link linkend='var-SYSLINUX_SERIAL'><filename>SYSLINUX_SERIAL</filename></link>:</emphasis>
+                Sets an alternate serial port.
+                Or, turns off serial when the variable is set with an
+                empty string.</para></listitem>
+            <listitem><para><emphasis><link linkend='var-SYSLINUX_SERIAL_TTY'><filename>SYSLINUX_SERIAL_TTY</filename></link>:</emphasis>
+                Sets an alternate "console=tty..." kernel boot argument.
+                </para></listitem>
+        </itemizedlist>
+    </para>
+</section>
+
 <section id='ref-classes-package_tar'>
     <title><filename>package_tar.bbclass</filename></title>