Code scrub:

MdePkg/Library/BaseCacheMaintenanceLib
MdePkg/Library/BaseDebugLibNull
MdePkg/Library/BaseIoLibIntrinsic
MdePkg/Library/BaseLib
MdePkg/Library/BasePeCoffLib
MdePkg/Library/CpuLib
MdePkg/Library/DxeMemoryLib
MdePkg/Library/DxePiLib
MdePkg/Library/PeiIoLib
MdePkg/Library/PeiMemoryLib
MdePkg/Library/UefiBootServicesTableLib
MdePkg/Library/UefiLib
MdePkg/Library/UefiRuntimeLib


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5464 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/DxeMemoryLib/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 gBS->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 (
@@ -26,6 +38,18 @@ InternalMemCopyMem (
   return Destination;
 }
 
+/**
+  Fills a target buffer with a byte value, and returns the target buffer.
+
+  This function wraps the gBS->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 (