MdePkg: Add %u and %lu support for PrintLib and DebugLib.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17571 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/Library/PrintLib.h

@@ -2,7 +2,7 @@
   Provides services to print a formatted string to a buffer. All combinations of
   Unicode and ASCII strings are supported.
 
-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials are licensed and made available under 
 the terms and conditions of the BSD License that accompanies this distribution.  
 The full text of the license may be found at
@@ -89,6 +89,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     - d
       - The argument is a signed decimal number.  If the flag 'L' is not specified, 
         then the argument is assumed to be size int.  
+    - u
+      - The argument is a unsigned decimal number.  If the flag 'L' is not specified, 
+        then the argument is assumed to be size int.
     - p
       - The argument is a pointer that is a (VOID *), and it is printed as an 
         unsigned hexadecimal number  The characters used are 0..9 and A..F.

MdePkg/Library/BasePrintLib/PrintLibInternal.c

@@ -1,7 +1,7 @@
 /** @file
   Print Library internal worker functions.
 
-  Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -547,10 +547,18 @@ BasePrintLibSPrintMarker (
         //
         // break skipped on purpose
         //
+      case 'u':
+        if ((Flags & RADIX_HEX) == 0) {
+          Flags &= ~((UINTN) (PREFIX_SIGN));
+          Flags |= UNSIGNED_TYPE;
+        }
+        //
+        // break skipped on purpose
+        //
       case 'd':
         if ((Flags & LONG_TYPE) == 0) {
           //
-          // 'd','x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
+          // 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
           // This assumption is made so the format string definition is compatible with the ANSI C
           // Specification for formatted strings.  It is recommended that the Base Types be used 
           // everywhere, but in this one case, compliance with ANSI C is more important, and 
@@ -584,17 +592,27 @@ BasePrintLibSPrintMarker (
             Flags &= ~((UINTN) PREFIX_ZERO);
             Precision = 1;
           }
-          if (Value < 0) {
+          if (Value < 0 && (Flags & UNSIGNED_TYPE) == 0) {
             Flags |= PREFIX_SIGN;
             Prefix = '-';
             Value = -Value;
+          } else if ((Flags & UNSIGNED_TYPE) != 0 && (Flags & LONG_TYPE) == 0) {
+            //
+            // 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
+            // This assumption is made so the format string definition is compatible with the ANSI C
+            // Specification for formatted strings.  It is recommended that the Base Types be used 
+            // everywhere, but in this one case, compliance with ANSI C is more important, and 
+            // provides an implementation that is compatible with that largest possible set of CPU 
+            // architectures.  This is why the type "unsigned int" is used in this one case.
+            //
+            Value = (unsigned int)Value;
           }
         } else {
           Radix = 16;
           Comma = FALSE;
           if ((Flags & LONG_TYPE) == 0 && Value < 0) {
             //
-            // 'd','x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
+            // 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
             // This assumption is made so the format string definition is compatible with the ANSI C
             // Specification for formatted strings.  It is recommended that the Base Types be used 
             // everywhere, but in this one case, compliance with ANSI C is more important, and 

MdePkg/Library/BasePrintLib/PrintLibInternal.h

@@ -1,7 +1,7 @@
 /** @file
   Base Print Library instance Internal Functions definition.
 
-  Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -34,6 +34,7 @@
 #define PRECISION             BIT11
 #define ARGUMENT_REVERSED     BIT12
 #define COUNT_ONLY_NO_PRINT   BIT13
+#define UNSIGNED_TYPE         BIT14
 
 //
 // Record date and time information