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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12093 6f19259b-4bc3-4df7-8a09-765794883524
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/** @file
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Intel x86 architecture (both Ia32 and X64) specific values for <limits.h>.
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Within this file, the ^ character is used in comments to represent exponentiation.
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Thus, 2^7 means "2 to the 7th power", NOT "2 XOR 7".
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Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _MACHINE_LIMITS_H
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#define _MACHINE_LIMITS_H
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/** Number of bits for smallest object that is not a bit-field (byte). **/
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#define __CHAR_BIT 8
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/** Minimum value for an object of type signed char. **/
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#define __SCHAR_MIN -128 // -(2^7 - 1)
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/** Maximum value for an object of type signed char. **/
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#define __SCHAR_MAX +127 // 2^7 - 1
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/** Maximum value for an object of type unsigned char. **/
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#define __UCHAR_MAX 255 // 2^8 - 1
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/** Minimum value for an object of type short int. **/
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#define __SHRT_MIN -32768 // -(2^15 - 1)
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/** Maximum value for an object of type short int. **/
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#define __SHRT_MAX +32767 // 2^15 - 1
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/** Maximum value for an object of type unsigned short int. **/
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#define __USHRT_MAX 65535 // 2^16 - 1
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/** Maximum value for an object of type int. **/
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#define __INT_MAX +2147483647 // 2^31 - 1
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/** Minimum value for an object of type int. **/
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#define __INT_MIN (-2147483647 - 1) // -(2^31 - 1)
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/** Maximum value for an object of type unsigned int. **/
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#define __UINT_MAX 0xffffffff // 2^32 - 1
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/** Minimum value for an object of type long long int. **/
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#define __LLONG_MIN (-9223372036854775807LL - 1LL) // -(2^63 - 1)
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/** Maximum value for an object of type long long int. **/
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#define __LLONG_MAX 9223372036854775807LL // 2^63 - 1
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/** Maximum value for an object of type unsigned long long int. **/
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#define __ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL // 2^64 - 1
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/** Intel extensions to <limits.h> for UEFI
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@{
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**/
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#define __SHORT_BIT 16 ///< Number of bits comprising a short int.
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#define __WCHAR_BIT 16 ///< Number of bits comprising a wide character.
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#define __INT_BIT 32 ///< Number of bits comprising an int.
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#define __LONG_LONG_BIT 64 ///< Number of bits comprising a long long int.
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/// @}
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#endif /* _MACHINE_LIMITS_H */
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