2 files changed, 68 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/FdtLib.h b/MdePkg/Include/Library/FdtLib.h
index ae2025ec72..9e085b0b60 100644
--- a/MdePkg/Include/Library/FdtLib.h
+++ b/MdePkg/Include/Library/FdtLib.h
@@ -287,6 +287,37 @@ FdtCheckHeader (
   );
 
 /**
+  Unpack FDT blob into new buffer
+
+  @param[in]  Fdt            The pointer to FDT blob.
+  @param[out] Buffer         Pointer to destination buffer.
+  @param[in]  BufferSize     The size of destination buffer.
+
+  @return Zero for successfully, otherwise failed.
+
+ **/
+INT32
+EFIAPI
+FdtOpenInto (
+  IN  CONST VOID  *Fdt,
+  OUT VOID        *Buffer,
+  IN  INT32       BufferSize
+  );
+
+/**
+  Pack FDT blob in place.
+
+  @param[in][out]  Fdt            The pointer to FDT blob.
+
+  @return Zero.
+**/
+INT32
+EFIAPI
+FdtPack (
+  IN OUT VOID  *Fdt
+  );
+
+/**
   Create a empty Flattened Device Tree.
 
   @param[in] Buffer         The pointer to allocate a pool for FDT blob.
diff --git a/MdePkg/Library/BaseFdtLib/FdtLib.c b/MdePkg/Library/BaseFdtLib/FdtLib.c
index 04e2f5552c..ca25a292cd 100644
--- a/MdePkg/Library/BaseFdtLib/FdtLib.c
+++ b/MdePkg/Library/BaseFdtLib/FdtLib.c
@@ -149,6 +149,43 @@ FdtCreateEmptyTree (
 }
 
 /**
+  Unpack FDT blob into new buffer
+
+  @param[in]  Fdt            The pointer to FDT blob.
+  @param[out] Buffer         Pointer to destination buffer.
+  @param[in]  BufferSize     The size of destination buffer.
+
+  @return Zero for successfully, otherwise failed.
+
+ **/
+INT32
+EFIAPI
+FdtOpenInto (
+  IN  CONST VOID  *Fdt,
+  OUT VOID        *Buffer,
+  IN  INT32       BufferSize
+  )
+{
+  return fdt_open_into (Fdt, Buffer, BufferSize);
+}
+
+/**
+  Pack FDT blob in place.
+
+  @param[in][out]  Fdt            The pointer to FDT blob.
+
+  @return Zero.
+**/
+INT32
+EFIAPI
+FdtPack (
+  IN OUT VOID  *Fdt
+  )
+{
+  return fdt_pack (Fdt);
+}
+
+/**
   Returns a offset of next node from the given node.
 
   @param[in] Fdt            The pointer to FDT blob.