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diff --git a/src/arch/i386/image/initrd.c b/src/arch/i386/image/initrd.c
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+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * 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; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/**
+ * @file
+ *
+ * Linux initrd image format
+ *
+ * This file does nothing except provide a way to mark images as being
+ * initrds. The actual processing is done in the Linux kernel image
+ * code; this file exists so that we can include the "initrd" command
+ * without necessarily dragging in the Linux image format.
+ *
+ */
+
+#include <initrd.h>
+#include <gpxe/image.h>
+
+/** Linux initrd image type */
+struct image_type initrd_image_type __image_type ( PROBE_NORMAL ) = {
+ .name = "initrd",
+};