Added isolinux bootcode to syslinux package

x86/syslinux/boot/boot.in

@@ -0,0 +1,74 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: package/.../syslinux/boot/boot.in
+# Copyright (C) 2008 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+# converts a filename into norock,nojoliet names
+isolinux_filename() {
+	local dir= name= ext= extlen=
+	# only the last dot is kept, the rest are converted into _s
+	# and -s are also overted into _s
+	echo "$1" |
+		sed -e 's,\(.*/\)\?\([^/]*\)\.\([^\.]\+\)$,\1\t\2\t\3,' -e 's,\.,_,g' -e 's,-,_,g' |
+	while read dir name ext; do
+		# we have dir, name, ext separated and encoded now
+		# to be able to restrict to len( name + '.' + ext ) < 32
+		if [ -n "$ext" ]; then
+			extlen=$( echo -n "$ext" | wc -c )
+			name=$( echo -n "$name" | cut -c1-`expr 30 - $extlen` )
+		else
+			name=$( echo -n "$name" | cut -c1-31 )
+		fi
+			
+		echo "${dir}${name}${ext:+.$ext}"
+	done
+}
+
+# generates a label isolinux can understand
+isolinux_label() {
+	echo "$1" | md5sum | cut -d' ' -f1
+}
+
+boot_cd_pre() {
+	local isolinuxdir="$isofsdir/boot/isolinux"
+	mkdir -p "$isolinuxdir"
+	cp -f "$build_root/usr/lib/syslinux/"{isolinux.bin,menu.c32} "$isolinuxdir"
+
+	cat > "$isolinuxdir/isolinux.cfg" <<-EOT
+	DEFAULT menu.c32
+	PROMPT 0
+
+	MENU TITLE OpenSDE Installer
+
+	EOT
+}
+
+boot_cd_add() {
+	cat >> "$1/boot/isolinux/isolinux.cfg" <<-EOT
+	LABEL $( isolinux_label "$3 (Kernel: $2)" )
+	    MENU LABEL $3 (Kernel: $2)
+	    KERNEL $( isolinux_filename $4 )
+	    APPEND initrd=$( isolinux_filename $5 )
+
+	EOT
+}
+
+boot_cd_post() {
+	echo_status "Creating isofs_arch.txt file .."
+
+	cat > $build_toolchain/isofs_arch.txt <<- EOT
+	BOOT    -b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat -no-emul-boot
+	BOOTx   -boot-load-size 4 -boot-info-table
+	DISK1   $isofsdir/ /
+	EOT
+}
+