1. Add defines for MAX values for UEFI data types.

[mirror_edk2.git] / MdePkg / Include / Base.h

diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index fa02f0f5307baf7cdaad89e2d07bb25fd44b95f6..e1ffa7d23b6434c2270a4f11885a5a126cef06cc 100644 (file)
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -6,7 +6,7 @@
   environment. There are a set of base libraries in the Mde Package that can\r
   be used to implement base modules.\r
 \r
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
 Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
@@ -206,6 +206,17 @@ struct _LIST_ENTRY {
 ///\r
 #define NULL  ((VOID *) 0)\r
 \r
+///\r
+/// Maximum values for common UEFI Data Types\r
+///\r
+#define MAX_INT8    ((INT8)0x7F)\r
+#define MAX_UINT8   ((UINT8)0xFF)\r
+#define MAX_INT16   ((INT16)0x7FFF)\r
+#define MAX_UINT16  ((UINT16)0xFFFF)\r
+#define MAX_INT32   ((INT32)0x7FFFFFFF)\r
+#define MAX_UINT32  ((UINT32)0xFFFFFFFF)\r
+#define MAX_INT64   ((INT64)0x7FFFFFFFFFFFFFFFULL)\r
+#define MAX_UINT64  ((UINT64)0xFFFFFFFFFFFFFFFFULL)\r
 \r
 #define  BIT0     0x00000001\r
 #define  BIT1     0x00000002\r