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diff --git a/StdLib/Include/x86/limits.h b/StdLib/Include/x86/limits.h
new file mode 100644
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+++ b/StdLib/Include/x86/limits.h
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+/** @file
+  Machine specific values for <limits.h>.
+
+  Within this file, the ^ character is used in comments to represent exponentiation.
+  Thus, 2^7 means "2 to the 7th power", NOT "2 XOR 7".
+
+  Copyright (c) 2010, 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
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+#ifndef _MACHINE_LIMITS_H
+#define _MACHINE_LIMITS_H
+
+/** Number of bits for smallest object that is not a bit-field (byte). **/
+#define __CHAR_BIT    8
+
+/** minimum value for an object of type signed char **/
+#define __SCHAR_MIN   -128 // -(2^7 - 1)
+
+/** maximum value for an object of type signed char **/
+#define __SCHAR_MAX   +127 // 2^7 - 1
+
+/** maximum value for an object of type unsigned char **/
+#define __UCHAR_MAX   255  // 2^8 - 1
+
+/** minimum value for an object of type short int **/
+#define __SHRT_MIN    -32768 // -(2^15 - 1)
+
+/** maximum value for an object of type short int **/
+#define __SHRT_MAX    +32767 // 2^15 - 1
+
+/** maximum value for an object of type unsigned short int **/
+#define __USHRT_MAX   65535 // 2^16 - 1
+
+/** maximum value for an object of type int **/
+#define __INT_MAX     +2147483647 // 2^31 - 1
+
+/** minimum value for an object of type int **/
+#define __INT_MIN     (-2147483647 - 1) // -(2^31 - 1)
+
+/** maximum value for an object of type unsigned int **/
+#define __UINT_MAX    0xffffffff // 2^32 - 1
+
+/** minimum value for an object of type long int **/
+#define __LONG_MIN    (-2147483647L - 1L) // -(2^31 - 1)
+
+/** maximum value for an object of type long int **/
+#define __LONG_MAX    +2147483647L // 2^31 - 1
+
+/** maximum value for an object of type unsigned long int **/
+#define __ULONG_MAX   0xffffffff // 2^32 - 1
+
+/** minimum value for an object of type long long int **/
+//#define __LLONG_MIN   -9223372036854775808LL // -(2^63 - 1)
+//#define __LLONG_MIN   ((-9223372036854775807LL)-1) // -(2^63 - 1)
+#define __LLONG_MIN   (-9223372036854775807LL - 1LL) // -(2^63 - 1)
+
+/** maximum value for an object of type long long int **/
+#define __LLONG_MAX   9223372036854775807LL // 2^63 - 1
+
+/** maximum value for an object of type unsigned long long int **/
+//#define __ULLONG_MAX  18446744073709551615ULL // 2^64 - 1
+#define __ULLONG_MAX  0xFFFFFFFFFFFFFFFFULL // 2^64 - 1
+
+/* Intel extensions to <limits.h> for UEFI */
+#define __SHORT_BIT     16
+#define __WCHAR_BIT     16
+#define __INT_BIT       32
+#define __LONG_BIT      32    /* Compiler dependent */
+#define __LONG_LONG_BIT 64
+
+#endif    /* _MACHINE_LIMITS_H */