1 files changed, 48 insertions, 0 deletions
diff --git a/OvmfPkg/Library/MemDebugLogLib/MemDebugLogSec.c b/OvmfPkg/Library/MemDebugLogLib/MemDebugLogSec.c
new file mode 100644
index 0000000..62905fc
--- /dev/null
+++ b/OvmfPkg/Library/MemDebugLogLib/MemDebugLogSec.c
@@ -0,0 +1,48 @@
+/** @file
+ *
+  Memory Debug Log Library - SEC Phase
+
+  Copyright (C) 2025, Oracle and/or its affiliates.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Library/MemDebugLogLib.h>
+
+EFI_STATUS
+EFIAPI
+MemDebugLogWrite (
+  IN  CHAR8  *Buffer,
+  IN  UINTN  Length
+  )
+{
+  EFI_STATUS  Status;
+
+  if (FixedPcdGet32 (PcdOvmfEarlyMemDebugLogBase) != 0x0) {
+    Status = MemDebugLogWriteBuffer (
+               (EFI_PHYSICAL_ADDRESS)(UINTN)FixedPcdGet32 (PcdOvmfEarlyMemDebugLogBase),
+               Buffer,
+               Length
+               );
+  } else {
+    Status = EFI_NOT_FOUND;
+  }
+
+  return Status;
+}
+
+RETURN_STATUS
+EFIAPI
+MemDebugLogLibConstructor (
+  VOID
+  )
+{
+  if (FixedPcdGet32 (PcdOvmfEarlyMemDebugLogSize) != 0) {
+    MemDebugLogInit (
+      (EFI_PHYSICAL_ADDRESS)(UINTN)FixedPcdGet32 (PcdOvmfEarlyMemDebugLogBase),
+      (UINT32)FixedPcdGet32 (PcdOvmfEarlyMemDebugLogSize)
+      );
+  }
+
+  return RETURN_SUCCESS;
+}