--- /dev/null
+/*
+ * refind/apple.h
+ *
+ * Copyright (c) 2015 Roderick W. Smith
+ *
+ * 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 3 of the License, or
+ * (at your option) 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+extern CHAR16 *gCsrStatus;
+
+INTN GetCsrStatus(VOID);
+VOID RecordgCsrStatus(INTN CsrStatus);
+INTN RotateCsrValue(VOID);
+EFI_STATUS SetAppleOSInfo();