Index: boot/genarch/src/efi.c
===================================================================
--- boot/genarch/src/efi.c	(revision 666d6dcbca1635a8588aa395e8b8ce2b2cc41911)
+++ boot/genarch/src/efi.c	(revision 666d6dcbca1635a8588aa395e8b8ce2b2cc41911)
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2011 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <genarch/efi.h>
+#include <arch/types.h>
+#include <typedefs.h>
+
+void *efi_vendor_table_find(efi_system_table_t *st, efi_guid_t guid)
+{
+	sysarg_t i;
+
+	for (i = 0; i < st->conf_table_entries; i++)
+		if ((st->conf_table[i].guid.low == guid.low) &&
+		    (st->conf_table[i].guid.high == guid.high))
+			return st->conf_table[i].table;
+
+	return NULL;
+}
+