1 files changed, 24 insertions, 0 deletions
diff --git a/MdePkg/Library/PeiMemoryLib/MemLib.c b/MdePkg/Library/PeiMemoryLib/MemLib.c
index ddb8b445bc..207f580d45 100644
--- a/MdePkg/Library/PeiMemoryLib/MemLib.c
+++ b/MdePkg/Library/PeiMemoryLib/MemLib.c
@@ -14,6 +14,18 @@
 
 #include "MemLibInternals.h"
 
+/**
+  Copies a source buffer to a destination buffer, and returns the destination buffer.
+
+  This function wraps the gPS->CopyMem ().
+  
+  @param  DestinationBuffer   Pointer to the destination buffer of the memory copy.
+  @param  SourceBuffer        Pointer to the source buffer of the memory copy.
+  @param  Length              Number of bytes to copy from SourceBuffer to DestinationBuffer.
+
+  @return DestinationBuffer.
+
+**/
 VOID *
 EFIAPI
 InternalMemCopyMem (
@@ -30,6 +42,18 @@ InternalMemCopyMem (
   return Destination;
 }
 
+/**
+  Fills a target buffer with a byte value, and returns the target buffer.
+
+  This function wraps the gPS->SetMem ().
+  
+  @param  Buffer    Memory to set.
+  @param  Length    Number of bytes to set.
+  @param  Value     Value of the set operation.
+
+  @return Buffer.
+
+**/
 VOID *
 EFIAPI
 InternalMemSetMem (