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-rw-r--r--src/security/memory/memory.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/security/memory/memory.c b/src/security/memory/memory.c
new file mode 100644
index 000000000000..14f28578b5ee
--- /dev/null
+++ b/src/security/memory/memory.c
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 9elements Agency GmbH
+ * Copyright (C) 2019 Facebook Inc.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+#include "memory.h"
+
+/**
+ * To be called after DRAM init.
+ * Tells the caller if DRAM must be cleared as requested by the user,
+ * firmware or security framework.
+ */
+bool security_clear_dram_request(void)
+{
+ if (CONFIG(SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT))
+ return true;
+
+ /* TODO: Add TEE environments here */
+
+ return false;
+}