1 | /*++ |
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2 | |
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3 | Copyright (c) 1998 Intel Corporation |
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4 | |
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5 | Module Name: |
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6 | |
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7 | efefind.h |
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8 | |
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9 | Abstract: |
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10 | |
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11 | EFI to compile bindings |
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12 | |
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13 | |
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14 | |
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15 | |
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16 | Revision History |
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17 | |
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18 | --*/ |
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19 | |
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20 | #ifndef __GNUC__ |
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21 | #pragma pack() |
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22 | #endif |
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23 | |
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24 | // |
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25 | // Basic int types of various widths |
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26 | // |
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27 | |
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28 | #if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) |
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29 | |
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30 | // No ANSI C 1999/2000 stdint.h integer width declarations |
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31 | |
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32 | #if defined(_MSC_EXTENSIONS) |
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33 | |
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34 | // Use Microsoft C compiler integer width declarations |
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35 | |
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36 | typedef unsigned __int64 uint64_t; |
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37 | typedef __int64 int64_t; |
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38 | typedef unsigned __int32 uint32_t; |
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39 | typedef __int32 int32_t; |
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40 | typedef unsigned short uint16_t; |
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41 | typedef short int16_t; |
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42 | typedef unsigned char uint8_t; |
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43 | typedef char int8_t; |
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44 | #elif defined(__GNUC__) |
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45 | typedef int __attribute__((__mode__(__DI__))) int64_t; |
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46 | typedef unsigned int __attribute__((__mode__(__DI__))) uint64_t; |
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47 | typedef unsigned int uint32_t; |
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48 | typedef int int32_t; |
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49 | typedef unsigned short uint16_t; |
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50 | typedef short int16_t; |
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51 | typedef unsigned char uint8_t; |
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52 | typedef signed char int8_t; |
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53 | #elif defined(UNIX_LP64) |
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54 | |
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55 | /* Use LP64 programming model from C_FLAGS for integer width declarations */ |
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56 | |
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57 | typedef unsigned long uint64_t; |
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58 | typedef long int64_t; |
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59 | typedef unsigned int uint32_t; |
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60 | typedef int int32_t; |
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61 | typedef unsigned short uint16_t; |
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62 | typedef short int16_t; |
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63 | typedef unsigned char uint8_t; |
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64 | typedef char int8_t; |
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65 | #else |
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66 | |
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67 | /* Assume P64 programming model from C_FLAGS for integer width declarations */ |
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68 | |
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69 | typedef unsigned long long uint64_t __attribute__((aligned (8))); |
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70 | typedef long long int64_t __attribute__((aligned (8))); |
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71 | typedef unsigned int uint32_t; |
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72 | typedef int int32_t; |
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73 | typedef unsigned short uint16_t; |
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74 | typedef short int16_t; |
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75 | typedef unsigned char uint8_t; |
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76 | typedef char int8_t; |
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77 | #endif |
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78 | #elif defined(__GNUC__) |
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79 | #include <stdint.h> |
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80 | #endif |
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81 | |
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82 | // |
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83 | // Basic EFI types of various widths |
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84 | // |
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85 | |
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86 | #ifndef __WCHAR_TYPE__ |
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87 | # define __WCHAR_TYPE__ short |
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88 | #endif |
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89 | |
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90 | typedef uint64_t UINT64; |
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91 | typedef int64_t INT64; |
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92 | |
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93 | #ifndef _BASETSD_H_ |
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94 | typedef uint32_t UINT32; |
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95 | typedef int32_t INT32; |
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96 | #endif |
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97 | |
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98 | typedef uint16_t UINT16; |
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99 | typedef int16_t INT16; |
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100 | typedef uint8_t UINT8; |
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101 | typedef int8_t INT8; |
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102 | typedef __WCHAR_TYPE__ WCHAR; |
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103 | |
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104 | #undef VOID |
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105 | #define VOID void |
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106 | |
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107 | |
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108 | typedef int32_t INTN; |
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109 | typedef uint32_t UINTN; |
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110 | |
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111 | #ifdef EFI_NT_EMULATOR |
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112 | #define POST_CODE(_Data) |
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113 | #else |
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114 | #ifdef EFI_DEBUG |
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115 | #define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al |
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116 | #else |
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117 | #define POST_CODE(_Data) |
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118 | #endif |
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119 | #endif |
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120 | |
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121 | #define EFIERR(a) (0x80000000 | a) |
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122 | #define EFI_ERROR_MASK 0x80000000 |
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123 | #define EFIERR_OEM(a) (0xc0000000 | a) |
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124 | |
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125 | |
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126 | #define BAD_POINTER 0xFBFBFBFB |
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127 | #define MAX_ADDRESS 0xFFFFFFFF |
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128 | |
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129 | #ifdef EFI_NT_EMULATOR |
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130 | #define BREAKPOINT() __asm { int 3 } |
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131 | #else |
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132 | #define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32 |
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133 | #endif |
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134 | |
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135 | // |
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136 | // Pointers must be aligned to these address to function |
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137 | // |
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138 | |
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139 | #define MIN_ALIGNMENT_SIZE 4 |
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140 | |
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141 | #define ALIGN_VARIABLE(Value ,Adjustment) \ |
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142 | (UINTN)Adjustment = 0; \ |
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143 | if((UINTN)Value % MIN_ALIGNMENT_SIZE) \ |
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144 | (UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \ |
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145 | Value = (UINTN)Value + (UINTN)Adjustment |
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146 | |
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147 | |
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148 | // |
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149 | // Define macros to build data structure signatures from characters. |
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150 | // |
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151 | |
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152 | #define EFI_SIGNATURE_16(A,B) ((A) | (B<<8)) |
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153 | #define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16)) |
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154 | #define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) | ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32)) |
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155 | // |
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156 | // To export & import functions in the EFI emulator environment |
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157 | // |
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158 | |
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159 | #ifdef EFI_NT_EMULATOR |
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160 | #define EXPORTAPI __declspec( dllexport ) |
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161 | #else |
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162 | #define EXPORTAPI |
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163 | #endif |
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164 | |
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165 | |
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166 | // |
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167 | // EFIAPI - prototype calling convention for EFI function pointers |
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168 | // BOOTSERVICE - prototype for implementation of a boot service interface |
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169 | // RUNTIMESERVICE - prototype for implementation of a runtime service interface |
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170 | // RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service |
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171 | // RUNTIME_CODE - pragma macro for declaring runtime code |
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172 | // |
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173 | |
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174 | #ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options |
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175 | #ifdef _MSC_EXTENSIONS |
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176 | #define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler |
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177 | #else |
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178 | #define EFIAPI // Substitute expresion to force C calling convention |
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179 | #endif |
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180 | #endif |
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181 | |
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182 | #define BOOTSERVICE |
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183 | //#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a |
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184 | //#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a |
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185 | #define RUNTIMESERVICE |
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186 | #define RUNTIMEFUNCTION |
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187 | |
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188 | |
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189 | #define RUNTIME_CODE(a) alloc_text("rtcode", a) |
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190 | #define BEGIN_RUNTIME_DATA() data_seg("rtdata") |
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191 | #define END_RUNTIME_DATA() data_seg("") |
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192 | |
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193 | #define VOLATILE volatile |
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194 | |
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195 | #define MEMORY_FENCE() |
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196 | |
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197 | #ifdef EFI_NT_EMULATOR |
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198 | |
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199 | // |
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200 | // To help ensure proper coding of integrated drivers, they are |
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201 | // compiled as DLLs. In NT they require a dll init entry pointer. |
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202 | // The macro puts a stub entry point into the DLL so it will load. |
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203 | // |
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204 | |
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205 | #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ |
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206 | UINTN \ |
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207 | __stdcall \ |
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208 | _DllMainCRTStartup ( \ |
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209 | UINTN Inst, \ |
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210 | UINTN reason_for_call, \ |
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211 | VOID *rserved \ |
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212 | ) \ |
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213 | { \ |
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214 | return 1; \ |
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215 | } \ |
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216 | \ |
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217 | int \ |
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218 | EXPORTAPI \ |
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219 | __cdecl \ |
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220 | InitializeDriver ( \ |
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221 | void *ImageHandle, \ |
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222 | void *SystemTable \ |
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223 | ) \ |
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224 | { \ |
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225 | return InitFunction(ImageHandle, SystemTable); \ |
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226 | } |
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227 | |
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228 | |
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229 | #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ |
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230 | (_if)->LoadInternal(type, name, NULL) |
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231 | |
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232 | #else // EFI_NT_EMULATOR |
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233 | |
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234 | // |
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235 | // When build similiar to FW, then link everything together as |
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236 | // one big module. |
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237 | // |
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238 | |
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239 | #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ |
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240 | UINTN \ |
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241 | InitializeDriver ( \ |
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242 | VOID *ImageHandle, \ |
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243 | VOID *SystemTable \ |
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244 | ) \ |
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245 | { \ |
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246 | return InitFunction(ImageHandle, \ |
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247 | SystemTable); \ |
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248 | } \ |
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249 | \ |
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250 | EFI_STATUS efi_main( \ |
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251 | EFI_HANDLE image, \ |
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252 | EFI_SYSTEM_TABLE *systab \ |
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253 | ) __attribute__((weak, \ |
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254 | alias ("InitializeDriver"))); |
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255 | |
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256 | #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ |
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257 | (_if)->LoadInternal(type, name, entry) |
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258 | |
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259 | #endif // EFI_FW_NT |
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260 | |
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261 | // |
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262 | // Some compilers don't support the forward reference construct: |
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263 | // typedef struct XXXXX |
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264 | // |
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265 | // The following macro provide a workaround for such cases. |
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266 | // |
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267 | #ifdef NO_INTERFACE_DECL |
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268 | #define INTERFACE_DECL(x) |
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269 | #else |
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270 | #ifdef __GNUC__ |
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271 | #define INTERFACE_DECL(x) struct x |
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272 | #else |
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273 | #define INTERFACE_DECL(x) typedef struct x |
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274 | #endif |
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275 | #endif |
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276 | |
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277 | /* No efi call wrapper for IA32 architecture */ |
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278 | #define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__) |
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279 | #define EFI_FUNCTION |
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280 | |
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281 | #ifdef _MSC_EXTENSIONS |
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282 | #pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP |
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283 | #endif |
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284 | |
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