ProcessorBind.h

   1 /** @file
   2   Processor or Compiler specific defines and types for x64.
   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_IA32
  24
  25 //
  26 // Make sure we are useing the correct packing rules per EFI specification
  27 //
  28 #ifndef __GNUC__
  29 #pragma pack()
  30 #endif
  31
  32 #if _MSC_EXTENSIONS
  33
  34 //
  35 // Disable warning that make it impossible to compile at /W4
  36 // This only works for Microsoft* tools
  37 //
  38
  39 //
  40 // Disabling bitfield type checking warnings.
  41 //
  42 #pragma warning ( disable : 4214 )
  43
  44 //
  45 // Disabling the unreferenced formal parameter warnings.
  46 //
  47 #pragma warning ( disable : 4100 )
  48
  49 //
  50 // Disable slightly different base types warning as CHAR8 * can not be set
  51 // to a constant string.
  52 //
  53 #pragma warning ( disable : 4057 )
  54
  55 //
  56 // ASSERT(FALSE) or while (TRUE) are legal constructes so supress this warning
  57 //
  58 #pragma warning ( disable : 4127 )
  59
  60 //
  61 // This warning is caused by functions defined but not used. For precompiled header only.
  62 //
  63 #pragma warning ( disable : 4505 )
  64
  65 //
  66 // This warning is caused by empty (after preprocessing) souce file. For precompiled header only.
  67 //
  68 #pragma warning ( disable : 4206 )
  69
  70 #endif
  71
  72
  73 #if !defined(__GNUC__) && (__STDC_VERSION__ < 199901L)
  74   //
  75   // No ANSI C 2000 stdint.h integer width declarations, so define equivalents
  76   //
  77
  78   #if _MSC_EXTENSIONS
  79
  80     //
  81     // use Microsoft* C complier dependent interger width types
  82     //
  83     typedef unsigned __int64    UINT64;
  84     typedef __int64             INT64;
  85     typedef unsigned __int32    UINT32;
  86     typedef __int32             INT32;
  87     typedef unsigned short      UINT16;
  88     typedef unsigned short      CHAR16;
  89     typedef short               INT16;
  90     typedef unsigned char       BOOLEAN;
  91     typedef unsigned char       UINT8;
  92     typedef char                CHAR8;
  93     typedef char                INT8;
  94   #else
  95
  96     //
  97     // Assume standard IA-32 alignment.
  98     // Need to check portability of long long
  99     //
 100     typedef unsigned long long  UINT64;
 101     typedef long long           INT64;
 102     typedef unsigned int        UINT32;
 103     typedef int                 INT32;
 104     typedef unsigned short      UINT16;
 105     typedef unsigned short      CHAR16;
 106     typedef short               INT16;
 107     typedef unsigned char       BOOLEAN;
 108     typedef unsigned char       UINT8;
 109     typedef char                CHAR8;
 110     typedef char                INT8;
 111   #endif
 112
 113   #define UINT8_MAX 0xff
 114
 115 #else
 116   //
 117   // Use ANSI C 2000 stdint.h integer width declarations
 118   //
 119   #include "stdint.h"
 120   typedef uint8_t   BOOLEAN;
 121   typedef int8_t    INT8;
 122   typedef uint8_t   UINT8;
 123   typedef int16_t   INT16;
 124   typedef uint16_t  UINT16;
 125   typedef int32_t   INT32;
 126   typedef uint32_t  UINT32;
 127   typedef int64_t   INT64;
 128   typedef uint64_t  UINT64;
 129   typedef char      CHAR8;
 130   typedef uint16_t  CHAR16;
 131
 132 #endif
 133
 134 typedef UINT32  UINTN;
 135 typedef INT32   INTN;
 136
 137
 138 //
 139 // Processor specific defines
 140 //
 141 #define MAX_BIT     0x80000000
 142 #define MAX_2_BITS  0xC0000000
 143
 144 //
 145 // Maximum legal IA-32 address
 146 //
 147 #define MAX_ADDRESS   0xFFFFFFFF
 148
 149 //
 150 // The stack alignment required for IA-32
 151 //
 152 #define CPU_STACK_ALIGNMENT   sizeof(UINTN)
 153
 154 //
 155 // Modifier to ensure that all protocol member functions and EFI intrinsics
 156 // use the correct C calling convention. All protocol member functions and
 157 // EFI intrinsics are required to modify thier member functions with EFIAPI.
 158 //
 159 #if _MSC_EXTENSIONS
 160   //
 161   // Microsoft* compiler requires _EFIAPI useage, __cdecl is Microsoft* specific C.
 162   //
 163   #define EFIAPI __cdecl
 164 #endif
 165
 166 #if __GNUC__
 167   #define EFIAPI __attribute__((cdecl))
 168 #endif
 169
 170 //
 171 // The Microsoft* C compiler can removed references to unreferenced data items
 172 //  if the /OPT:REF linker option is used. We defined a macro as this is a
 173 //  a non standard extension
 174 //
 175 #if _MSC_EXTENSIONS
 176   #define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
 177 #else
 178   #define GLOBAL_REMOVE_IF_UNREFERENCED
 179 #endif
 180
 181 #endif
 182