Fix some Linux's build issue.
[mirror_edk2.git] / MdePkg / Include / x64 / ProcessorBind.h
1 /** @file
2 Processor or Compiler specific defines and types x64 (Intel(r) EM64T, AMD64).
3
4 Copyright (c) 2006, Intel Corporation
5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13 Module Name: ProcessorBind.h
14
15 **/
16
17 #ifndef __PROCESSOR_BIND_H__
18 #define __PROCESSOR_BIND_H__
19
20 //
21 // Define the processor type so other code can make processor based choices
22 //
23 #define MDE_CPU_X64
24
25
26 //
27 // Make sure we are useing the correct packing rules per EFI specification
28 //
29 #ifndef __GNUC__
30 #pragma pack()
31 #endif
32
33 #if _MSC_EXTENSIONS
34
35 //
36 // Disable warning that make it impossible to compile at /W4
37 // This only works for Microsoft* tools
38 //
39
40 //
41 // Disabling bitfield type checking warnings.
42 //
43 #pragma warning ( disable : 4214 )
44
45 //
46 // Disabling the unreferenced formal parameter warnings.
47 //
48 #pragma warning ( disable : 4100 )
49
50 //
51 // Disable slightly different base types warning as CHAR8 * can not be set
52 // to a constant string.
53 //
54 #pragma warning ( disable : 4057 )
55
56 //
57 // ASSERT(FALSE) or while (TRUE) are legal constructes so supress this warning
58 //
59 #pragma warning ( disable : 4127 )
60
61 //
62 // This warning is caused by functions defined but not used. For precompiled header only.
63 //
64 #pragma warning ( disable : 4505 )
65
66 //
67 // This warning is caused by empty (after preprocessing) souce file. For precompiled header only.
68 //
69 #pragma warning ( disable : 4206 )
70
71 #endif
72
73
74 #if !defined(__GNUC__) && (__STDC_VERSION__ < 199901L)
75 //
76 // No ANSI C 2000 stdint.h integer width declarations, so define equivalents
77 //
78
79 #if _MSC_EXTENSIONS
80
81
82 //
83 // use Microsoft C complier dependent interger width types
84 //
85 typedef unsigned __int64 UINT64;
86 typedef __int64 INT64;
87 typedef unsigned __int32 UINT32;
88 typedef __int32 INT32;
89 typedef unsigned short UINT16;
90 typedef unsigned short CHAR16;
91 typedef short INT16;
92 typedef unsigned char BOOLEAN;
93 typedef unsigned char UINT8;
94 typedef char CHAR8;
95 typedef char INT8;
96 #else
97 #ifdef _EFI_P64
98 //
99 // P64 - is Intel Itanium(TM) speak for pointers being 64-bit and longs and ints
100 // are 32-bits
101 //
102 typedef unsigned long long UINT64;
103 typedef long long INT64;
104 typedef unsigned int UINT32;
105 typedef int INT32;
106 typedef unsigned short CHAR16;
107 typedef unsigned short UINT16;
108 typedef short INT16;
109 typedef unsigned char BOOLEAN;
110 typedef unsigned char UINT8;
111 typedef char CHAR8;
112 typedef char INT8;
113 #else
114 //
115 // Assume LP64 - longs and pointers are 64-bit. Ints are 32-bit.
116 //
117 typedef unsigned long UINT64;
118 typedef long INT64;
119 typedef unsigned int UINT32;
120 typedef int INT32;
121 typedef unsigned short UINT16;
122 typedef unsigned short CHAR16;
123 typedef short INT16;
124 typedef unsigned char BOOLEAN;
125 typedef unsigned char UINT8;
126 typedef char CHAR8;
127 typedef char INT8;
128 #endif
129 #endif
130
131 #define UINT8_MAX 0xff
132
133 #else
134 //
135 // Use ANSI C 2000 stdint.h integer width declarations
136 //
137 #include <stdint.h>
138 typedef uint8_t BOOLEAN;
139 typedef int8_t INT8;
140 typedef uint8_t UINT8;
141 typedef int16_t INT16;
142 typedef uint16_t UINT16;
143 typedef int32_t INT32;
144 typedef uint32_t UINT32;
145 typedef int64_t INT64;
146 typedef uint64_t UINT64;
147 typedef char CHAR8;
148 typedef uint16_t CHAR16;
149
150 #endif
151
152 typedef UINT64 UINTN;
153 typedef INT64 INTN;
154
155
156 //
157 // Processor specific defines
158 //
159 #define MAX_BIT 0x8000000000000000ULL
160 #define MAX_2_BITS 0xC000000000000000ULL
161
162 //
163 // Maximum legal X64 address
164 //
165 #define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
166
167 //
168 // The stack alignment required for X64
169 //
170 #define CPU_STACK_ALIGNMENT 16
171
172 //
173 // Modifier to ensure that all protocol member functions and EFI intrinsics
174 // use the correct C calling convention. All protocol member functions and
175 // EFI intrinsics are required to modify thier member functions with EFIAPI.
176 //
177 #if _MSC_EXTENSIONS
178 ///
179 /// Define the standard calling convention reguardless of optimization level.
180 /// __cdecl is Microsoft* specific C extension.
181 ///
182 #define EFIAPI __cdecl
183 #elif __GNUC__
184 ///
185 /// Define the standard calling convention reguardless of optimization level.
186 /// The GCC support assumes a GCC compiler that supports the EFI ABI. The EFI
187 /// ABI is much closer to the x64 Microsoft* ABI than standard x64 (x86-64)
188 /// GCC ABI. Thus a standard x64 (x86-64) GCC compiler can not be used for
189 /// x64. Warning the assembly code in the MDE x64 does not follow the correct
190 /// ABI for the standard x64 (x86-64) GCC.
191 ///
192 #define EFIAPI
193 #else
194 ///
195 /// The default for a non Microsoft* or GCC compiler is to assume the EFI ABI
196 /// is the standard.
197 ///
198 #define EFIAPI
199 #endif
200
201 //
202 // The Microsoft* C compiler can removed references to unreferenced data items
203 // if the /OPT:REF linker option is used. We defined a macro as this is a
204 // a non standard extension
205 //
206 #if _MSC_EXTENSIONS
207 #define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
208 #else
209 #define GLOBAL_REMOVE_IF_UNREFERENCED
210 #endif
211
212 #endif
213