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1 | /** @file\r | |
2 | Intel x86 architecture (both Ia32 and X64) specific values for <limits.h>.\r | |
3 | \r | |
4 | Within this file, the ^ character is used in comments to represent exponentiation.\r | |
5 | Thus, 2^7 means "2 to the 7th power", NOT "2 XOR 7".\r | |
6 | \r | |
7 | Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r | |
8 | This program and the accompanying materials are licensed and made available under\r | |
9 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
10 | The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | **/\r | |
16 | #ifndef _MACHINE_LIMITS_H\r | |
17 | #define _MACHINE_LIMITS_H\r | |
18 | \r | |
19 | /** Number of bits for smallest object that is not a bit-field (byte). **/\r | |
20 | #define __CHAR_BIT 8\r | |
21 | \r | |
22 | /** Minimum value for an object of type signed char. **/\r | |
23 | #define __SCHAR_MIN -128 // -(2^7 - 1)\r | |
24 | \r | |
25 | /** Maximum value for an object of type signed char. **/\r | |
26 | #define __SCHAR_MAX +127 // 2^7 - 1\r | |
27 | \r | |
28 | /** Maximum value for an object of type unsigned char. **/\r | |
29 | #define __UCHAR_MAX 255 // 2^8 - 1\r | |
30 | \r | |
31 | /** Minimum value for an object of type short int. **/\r | |
32 | #define __SHRT_MIN -32768 // -(2^15 - 1)\r | |
33 | \r | |
34 | /** Maximum value for an object of type short int. **/\r | |
35 | #define __SHRT_MAX +32767 // 2^15 - 1\r | |
36 | \r | |
37 | /** Maximum value for an object of type unsigned short int. **/\r | |
38 | #define __USHRT_MAX 65535 // 2^16 - 1\r | |
39 | \r | |
40 | /** Maximum value for an object of type int. **/\r | |
41 | #define __INT_MAX +2147483647 // 2^31 - 1\r | |
42 | \r | |
43 | /** Minimum value for an object of type int. **/\r | |
44 | #define __INT_MIN (-2147483647 - 1) // -(2^31 - 1)\r | |
45 | \r | |
46 | /** Maximum value for an object of type unsigned int. **/\r | |
47 | #define __UINT_MAX 0xffffffff // 2^32 - 1\r | |
48 | \r | |
49 | /** Minimum value for an object of type long long int. **/\r | |
50 | #define __LLONG_MIN (-9223372036854775807LL - 1LL) // -(2^63 - 1)\r | |
51 | \r | |
52 | /** Maximum value for an object of type long long int. **/\r | |
53 | #define __LLONG_MAX 9223372036854775807LL // 2^63 - 1\r | |
54 | \r | |
55 | /** Maximum value for an object of type unsigned long long int. **/\r | |
56 | #define __ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL // 2^64 - 1\r | |
57 | \r | |
58 | /** Intel extensions to <limits.h> for UEFI\r | |
59 | @{\r | |
60 | **/\r | |
61 | #define __SHORT_BIT 16 ///< Number of bits comprising a short int.\r | |
62 | #define __WCHAR_BIT 16 ///< Number of bits comprising a wide character.\r | |
63 | #define __INT_BIT 32 ///< Number of bits comprising an int.\r | |
64 | #define __LONG_LONG_BIT 64 ///< Number of bits comprising a long long int.\r | |
65 | /// @}\r | |
66 | \r | |
67 | #endif /* _MACHINE_LIMITS_H */\r |