--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loader.c	Thu Feb 14 01:43:26 2013 +0900
@@ -0,0 +1,74 @@
+/*
+ *  Copyright (C) 2001-2003 Hewlett-Packard Co.
+ *	Contributed by Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * This file is part of the ELILO, the EFI Linux boot loader.
+ *
+ *  ELILO 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, or (at your option)
+ *  any later version.
+ *
+ *  ELILO 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 ELILO; see the file COPYING.  If not, write to the Free
+ *  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ *  02111-1307, USA.
+ *
+ * Please check out the elilo.txt for complete documentation on how
+ * to use this program.
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "elilo.h"
+#include "loader.h"
+
+extern loader_ops_t plain_loader;
+extern loader_ops_t gzip_loader;
+
+static loader_ops_t *ldops_list;
+
+loader_ops_t *
+loader_probe(CHAR16 *kname)
+{
+	loader_ops_t *ops;
+	UINTN n = 0;
+
+	for (ops= ldops_list; ops; ops = ops->next) {
+		n++;
+		VERB_PRT(3, Print(L"Probing loader: %s\n", ops->ld_name));
+		if (ops->ld_probe(kname) == 0) {
+			return ops;
+		}
+	}
+	if (!n) {
+		ERR_PRT((L"No loaders registered"));
+	}
+	return NULL;
+}
+
+INTN
+loader_register(loader_ops_t *ldops)
+{
+	if (ldops == NULL) return -1;
+
+	/* cheap sanity check */
+	if (ldops->next) {
+		ERR_PRT((L"loader %s is already registered", ldops->ld_name));
+		return -1;
+	}
+
+	ldops->next = ldops_list;
+	ldops_list  = ldops;
+
+	VERB_PRT(3, Print(L"New loader registered: %s\n", ldops->ld_name));
+
+	return 0;
+}
+