1 files changed, 56 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h
index 0247ddbb2d..47033d70a0 100644
--- a/MdePkg/Include/Library/BaseMemoryLib.h
+++ b/MdePkg/Include/Library/BaseMemoryLib.h
@@ -148,6 +148,33 @@ SetMem64 (
   );
 
 /**
+  Fills a target buffer with a value that is size UINTN, and returns the target buffer.
+
+  This function fills Length bytes of Buffer with the UINTN sized value specified by
+  Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length
+  bytes of Buffer.
+
+  If Length > 0 and Buffer is NULL, then ASSERT().
+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+  If Buffer is not aligned on a UINTN boundary, then ASSERT().
+  If Length is not aligned on a UINTN boundary, then ASSERT().
+
+  @param  Buffer  Pointer to the target buffer to fill.
+  @param  Length  Number of bytes in Buffer to fill.
+  @param  Value   Value with which to fill Length bytes of Buffer.
+
+  @return Buffer.
+
+**/
+VOID *
+EFIAPI
+SetMemN (
+  OUT VOID  *Buffer,
+  IN UINTN  Length,
+  IN UINTN  Value
+  );
+
+/**
   Fills a target buffer with zeros, and returns the target buffer.
 
   This function fills Length bytes of Buffer with zeros, and returns Buffer.
@@ -313,6 +340,35 @@ ScanMem64 (
   );
 
 /**
+  Scans a target buffer for a UINTN sized value, and returns a pointer to the matching 
+  UINTN sized value in the target buffer.
+
+  This function searches target the buffer specified by Buffer and Length from the lowest
+  address to the highest address for a UINTN sized value that matches Value.  If a match is found,
+  then a pointer to the matching byte in the target buffer is returned.  If no match is found,
+  then NULL is returned.  If Length is 0, then NULL is returned.
+  
+  If Length > 0 and Buffer is NULL, then ASSERT().
+  If Buffer is not aligned on a UINTN boundary, then ASSERT().
+  If Length is not aligned on a UINTN boundary, then ASSERT().
+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+  @param  Buffer      Pointer to the target buffer to scan.
+  @param  Length      Number of bytes in Buffer to scan.
+  @param  Value       Value to search for in the target buffer.
+
+  @return A pointer to the matching byte in the target buffer or NULL otherwise.
+
+**/
+VOID *
+EFIAPI
+ScanMemN (
+  IN CONST VOID  *Buffer,
+  IN UINTN       Length,
+  IN UINTN       Value
+  );
+  
+/**
   Copies a source GUID to a destination GUID.
 
   This function copies the contents of the 128-bit GUID specified by SourceGuid to