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Rev | Author | Line No. | Line |
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7130 | dunkaist | 1 | ;********************************************************************* |
2 | ;* * |
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3 | ;* UEFI library for fasm by bzt, Public Domain * |
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4 | ;* * |
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5 | ;********************************************************************* |
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6 | |||
7 | ; EFI_MEMORY_TYPE |
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8 | EFI_RESERVED_MEMORY_TYPE = 0 |
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9 | EFI_LOADER_CODE = 1 |
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10 | EFI_LOADER_DATA = 2 |
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11 | EFI_BOOT_SERVICES_CODE = 3 |
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12 | EFI_BOOT_SERVICES_DATA = 4 |
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13 | EFI_RUNTIME_SERVICES_CODE = 5 |
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14 | EFI_RUNTIME_SERVICES_DATA = 6 |
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15 | EFI_CONVENTIONAL_MEMORY = 7 |
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16 | EFI_UNUSABLE_MEMORY = 8 |
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17 | EFI_ACPI_RECLAIM_MEMORY = 9 |
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18 | EFI_ACPI_MEMORY_NVS = 10 |
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19 | EFI_MEMORY_MAPPED_IO = 11 |
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20 | EFI_MEMORY_MAPPED_IO_PORT_SPACE = 12 |
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21 | EFI_PAL_CODE = 13 |
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22 | EFI_PERSISTENT_MEMORY = 14 |
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23 | EFI_MAX_MEMORY_TYPE = 15 |
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24 | |||
25 | EFI_MEMORY_UC = 0x0000000000000001 |
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26 | EFI_MEMORY_WC = 0x0000000000000002 |
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27 | EFI_MEMORY_WT = 0x0000000000000004 |
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28 | EFI_MEMORY_WB = 0x0000000000000008 |
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29 | EFI_MEMORY_UCE = 0x0000000000000010 |
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30 | EFI_MEMORY_WP = 0x0000000000001000 |
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31 | EFI_MEMORY_RP = 0x0000000000002000 |
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32 | EFI_MEMORY_XP = 0x0000000000004000 |
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33 | EFI_MEMORY_NV = 0x0000000000008000 |
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34 | EFI_MEMORY_MORE_RELIABLE = 0x0000000000010000 |
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35 | EFI_MEMORY_RO = 0x0000000000020000 |
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36 | EFI_MEMORY_RUNTIME = 0x8000000000000000 |
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37 | |||
38 | EFIERR = 0x8000000000000000 |
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39 | EFI_SUCCESS = 0 |
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40 | EFI_LOAD_ERROR = EFIERR or 1 |
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41 | EFI_INVALID_PARAMETER = EFIERR or 2 |
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42 | EFI_UNSUPPORTED = EFIERR or 3 |
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43 | EFI_BAD_BUFFER_SIZE = EFIERR or 4 |
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44 | EFI_BUFFER_TOO_SMALL = EFIERR or 5 |
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45 | EFI_NOT_READY = EFIERR or 6 |
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46 | EFI_DEVICE_ERROR = EFIERR or 7 |
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47 | EFI_WRITE_PROTECTED = EFIERR or 8 |
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48 | EFI_OUT_OF_RESOURCES = EFIERR or 9 |
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49 | EFI_VOLUME_CORRUPTED = EFIERR or 10 |
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50 | EFI_VOLUME_FULL = EFIERR or 11 |
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51 | EFI_NO_MEDIA = EFIERR or 12 |
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52 | EFI_MEDIA_CHANGED = EFIERR or 13 |
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53 | EFI_NOT_FOUND = EFIERR or 14 |
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54 | EFI_ACCESS_DENIED = EFIERR or 15 |
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55 | EFI_NO_RESPONSE = EFIERR or 16 |
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56 | EFI_NO_MAPPING = EFIERR or 17 |
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57 | EFI_TIMEOUT = EFIERR or 18 |
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58 | EFI_NOT_STARTED = EFIERR or 19 |
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59 | EFI_ALREADY_STARTED = EFIERR or 20 |
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60 | EFI_ABORTED = EFIERR or 21 |
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61 | EFI_ICMP_ERROR = EFIERR or 22 |
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62 | EFI_TFTP_ERROR = EFIERR or 23 |
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63 | EFI_PROTOCOL_ERROR = EFIERR or 24 |
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64 | |||
65 | EFI_SYSTEM_TABLE_SIGNATURE equ 0x49,0x42,0x49,0x20,0x53,0x59,0x53,0x54 |
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66 | struct EFI_TABLE_HEADER |
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67 | Signature dq ? |
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68 | Revision dd ? |
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69 | HeaderSize dd ? |
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70 | CRC32 dd ? |
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71 | Reserved dd ? |
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72 | ends |
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73 | |||
74 | struct EFI_SYSTEM_TABLE |
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75 | Hdr EFI_TABLE_HEADER |
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76 | FirmwareVendor dq ? |
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77 | FirmwareRevision dd ? |
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78 | dd ? |
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79 | ConsoleInHandle dq ? |
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80 | ConIn dq ? |
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81 | ConsoleOutHandle dq ? |
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82 | ConOut dq ? |
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83 | StandardErrorHandle dq ? |
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84 | StdErr dq ? |
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85 | RuntimeServices dq ? |
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86 | BootServices dq ? |
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87 | NumberOfTableEntries dq ? |
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88 | ConfigurationTable dq ? |
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89 | ends |
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90 | |||
91 | struct SIMPLE_TEXT_OUTPUT_INTERFACE |
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92 | Reset dq ? |
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93 | OutputString dq ? |
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94 | TestString dq ? |
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95 | QueryMode dq ? |
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96 | SetMode dq ? |
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97 | SetAttribute dq ? |
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98 | ClearScreen dq ? |
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99 | SetCursorPosition dq ? |
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100 | EnableCursor dq ? |
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101 | Mode dq ? |
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102 | ends |
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103 | |||
104 | |||
105 | struct SIMPLE_INPUT_INTERFACE |
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106 | Reset dq ? |
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107 | ReadKeyStroke dq ? |
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108 | WaitForKey dq ? |
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109 | ends |
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110 | |||
111 | struct EFI_BOOT_SERVICES_TABLE |
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112 | Hdr EFI_TABLE_HEADER |
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113 | RaisePriority dq ? |
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114 | RestorePriority dq ? |
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115 | AllocatePages dq ? |
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116 | FreePages dq ? |
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117 | GetMemoryMap dq ? |
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118 | AllocatePool dq ? |
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119 | FreePool dq ? |
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120 | CreateEvent dq ? |
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121 | SetTimer dq ? |
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122 | WaitForEvent dq ? |
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123 | SignalEvent dq ? |
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124 | CloseEvent dq ? |
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125 | CheckEvent dq ? |
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126 | InstallProtocolInterface dq ? |
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127 | ReInstallProtocolInterface dq ? |
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128 | UnInstallProtocolInterface dq ? |
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129 | HandleProtocol dq ? |
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130 | Void dq ? |
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131 | RegisterProtocolNotify dq ? |
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132 | LocateHandle dq ? |
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133 | LocateDevicePath dq ? |
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134 | InstallConfigurationTable dq ? |
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135 | ImageLoad dq ? |
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136 | ImageStart dq ? |
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137 | Exit dq ? |
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138 | ImageUnLoad dq ? |
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139 | ExitBootServices dq ? |
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140 | GetNextMonotonicCount dq ? |
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141 | Stall dq ? |
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142 | SetWatchdogTimer dq ? |
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143 | ConnectController dq ? |
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144 | DisConnectController dq ? |
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145 | OpenProtocol dq ? |
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146 | CloseProtocol dq ? |
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147 | OpenProtocolInformation dq ? |
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148 | ProtocolsPerHandle dq ? |
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149 | LocateHandleBuffer dq ? |
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150 | LocateProtocol dq ? |
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151 | InstallMultipleProtocolInterfaces dq ? |
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152 | UnInstallMultipleProtocolInterfaces dq ? |
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153 | CalculateCrc32 dq ? |
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154 | CopyMem dq ? |
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155 | SetMem dq ? |
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156 | ends |
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157 | |||
158 | struct EFI_RUNTIME_SERVICES_TABLE |
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159 | Hdr EFI_TABLE_HEADER |
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160 | GetTime dq ? |
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161 | SetTime dq ? |
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162 | GetWakeUpTime dq ? |
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163 | SetWakeUpTime dq ? |
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164 | SetVirtualAddressMap dq ? |
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165 | ConvertPointer dq ? |
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166 | GetVariable dq ? |
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167 | GetNextVariableName dq ? |
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168 | SetVariable dq ? |
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169 | GetNextHighMonoCount dq ? |
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170 | ResetSystem dq ? |
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171 | ends |
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172 | |||
173 | struct EFI_TIME |
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174 | Year dw ? |
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175 | Month db ? |
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176 | Day db ? |
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177 | Hour db ? |
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178 | Minute db ? |
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179 | Second db ? |
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180 | Pad1 db ? |
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181 | Nanosecond dd ? |
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182 | TimeZone dw ? |
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183 | Daylight db ? |
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184 | Pad2 db ? |
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185 | sizeof db ? |
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186 | ends |
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187 | |||
188 | EFI_LOADED_IMAGE_PROTOCOL_UUID equ 0xA1,0x31,0x1b,0x5b,0x62,0x95,0xd2,0x11,0x8E,0x3F,0x00,0xA0,0xC9,0x69,0x72,0x3B |
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189 | struct EFI_LOADED_IMAGE_PROTOCOL |
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190 | Revision dd ? |
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191 | dd ? |
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192 | ParentHandle dq ? |
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193 | SystemTable dq ? |
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194 | DeviceHandle dq ? |
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195 | FilePath dq ? |
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196 | Reserved dq ? |
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197 | LoadOptionsSize dd ? |
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198 | dd ? |
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199 | ImageBase dq ? |
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200 | ImageSize dq ? |
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201 | ImageCodeType dd ? |
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202 | ImageDataType dd ? |
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203 | UnLoad dq ? |
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204 | ends |
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205 | |||
206 | EFI_BLOCK_IO_PROTOCOL_UUID equ 0x21,0x5b,0x4e,0x96,0x59,0x64,0xd2,0x11,0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b |
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207 | struct EFI_BLOCK_IO_PROTOCOL |
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208 | Revision dq ? |
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209 | Media dq ? |
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210 | Reset dq ? |
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211 | ReadBlocks dq ? |
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212 | WriteBlocks dq ? |
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213 | FlushBlocks dq ? |
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214 | ends |
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215 | |||
216 | struct EFI_BLOCK_IO_MEDIA |
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217 | MediaId dd ? |
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218 | RemovableMedia db ? |
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219 | MediaPresent db ? |
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220 | LogicalPartition db ? |
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221 | ReadOnly db ? |
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222 | WriteCaching db ? |
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223 | rb 3 |
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224 | BlockSize dd ? |
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225 | IoAlign dd ? |
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226 | LastBlock dq ? |
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227 | ends |
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228 | |||
229 | EFI_GRAPHICS_OUTPUT_PROTOCOL_UUID equ 0xde,0xa9,0x42,0x90,0xdc,0x23,0x38,0x4a,0x96,0xfb,0x7a,0xde,0xd0,0x80,0x51,0x6a |
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230 | struct EFI_GRAPHICS_OUTPUT_PROTOCOL |
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231 | QueryMode dq ? |
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232 | SetMode dq ? |
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233 | Blt dq ? |
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234 | Mode dq ? |
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235 | ends |
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236 | |||
237 | struct EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE |
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238 | MaxMode dd ? |
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239 | Mode dd ? |
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240 | nfo dq ? |
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241 | SizeOfInfo dq ? |
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242 | FrameBufferBase dq ? |
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243 | FrameBufferSize dq ? |
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244 | ends |
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245 | |||
246 | struct EFI_GRAPHICS_OUTPUT_MODE_INFORMATION |
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247 | Version dd ? |
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248 | HorizontalResolution dd ? |
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249 | VerticalResolution dd ? |
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250 | PixelFormat dd ? |
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251 | RedMask dd ? |
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252 | GreenMask dd ? |
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253 | BlueMask dd ? |
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254 | Reserved dd ? |
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255 | PixelsPerScanLine dd ? |
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256 | ends |
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257 | |||
258 | ;---macros to make life easier--- |
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259 | ;call it early, after entry point is the best |
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260 | macro InitializeLib |
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261 | { |
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262 | clc |
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263 | test rdx, rdx |
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264 | jz .badout |
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265 | cmp dword[rdx], 'IBI ' ; 20494249h |
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266 | jz @f |
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267 | .badout: |
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268 | xor ecx, ecx |
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269 | xor edx, edx |
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270 | stc |
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271 | @@: |
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272 | mov [efi_handler], rcx ; ImageHandle |
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273 | mov [efi_ptr], rdx ; pointer to SystemTable |
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274 | } |
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275 | |||
276 | ;invoke an UEFI function |
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277 | macro uefi_call_wrapper interface,function,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11 |
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278 | { |
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279 | numarg = 0 |
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280 | |||
281 | if ~ arg11 eq |
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282 | numarg = numarg + 1 |
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283 | if ~ arg11 eq rdi |
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284 | mov rdi, arg11 |
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285 | end if |
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286 | end if |
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287 | |||
288 | if ~ arg10 eq |
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289 | numarg = numarg + 1 |
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290 | if ~ arg10 eq rsi |
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291 | mov rsi, arg10 |
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292 | end if |
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293 | end if |
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294 | |||
295 | if ~ arg9 eq |
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296 | numarg = numarg + 1 |
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297 | if ~ arg9 eq r14 |
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298 | mov r14, arg9 |
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299 | end if |
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300 | end if |
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301 | |||
302 | if ~ arg8 eq |
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303 | numarg = numarg + 1 |
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304 | if ~ arg8 eq r13 |
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305 | mov r13, arg8 |
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306 | end if |
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307 | end if |
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308 | |||
309 | if ~ arg7 eq |
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310 | numarg = numarg + 1 |
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311 | if ~ arg7 eq r12 |
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312 | mov r12, arg7 |
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313 | end if |
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314 | end if |
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315 | |||
316 | if ~ arg6 eq |
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317 | numarg = numarg + 1 |
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318 | if ~ arg6 eq r11 |
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319 | mov r11, arg6 |
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320 | end if |
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321 | end if |
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322 | |||
323 | if ~ arg5 eq |
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324 | numarg = numarg + 1 |
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325 | if ~ arg5 eq r10 |
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326 | mov r10, arg5 |
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327 | end if |
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328 | end if |
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329 | |||
330 | if ~ arg4 eq |
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331 | numarg = numarg + 1 |
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332 | if ~ arg4 eq r9 |
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333 | mov r9, arg4 |
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334 | end if |
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335 | end if |
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336 | |||
337 | if ~ arg3 eq |
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338 | numarg = numarg + 1 |
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339 | if ~ arg3 eq r8 |
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340 | mov r8, arg3 |
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341 | end if |
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342 | end if |
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343 | |||
344 | if ~ arg2 eq |
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345 | numarg = numarg + 1 |
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346 | if ~ arg2 eq rdx |
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347 | mov rdx, arg2 |
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348 | end if |
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349 | end if |
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350 | |||
351 | if ~ arg1 eq |
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352 | numarg = numarg + 1 |
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353 | if ~ arg1 eq rcx |
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354 | if ~ arg1 in |
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355 | mov rcx, arg1 |
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356 | end if |
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357 | end if |
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358 | end if |
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359 | |||
360 | xor rax, rax |
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361 | mov al, numarg |
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362 | |||
363 | if interface in |
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364 | mov rbx, [efi_ptr] |
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365 | mov rbx, [rbx + EFI_SYSTEM_TABLE.#interface] |
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366 | else |
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367 | if ~ interface eq rbx |
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368 | mov rbx, interface |
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369 | end if |
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370 | end if |
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371 | |||
372 | if arg1 in |
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373 | mov rcx, rbx |
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374 | end if |
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375 | |||
376 | if defined SIMPLE_INPUT_INTERFACE.#function |
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377 | mov rbx, [rbx + SIMPLE_INPUT_INTERFACE.#function] |
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378 | else |
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379 | if defined SIMPLE_TEXT_OUTPUT_INTERFACE.#function |
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380 | mov rbx, [rbx + SIMPLE_TEXT_OUTPUT_INTERFACE.#function] |
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381 | else |
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382 | if defined EFI_BOOT_SERVICES_TABLE.#function |
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383 | mov rbx, [rbx + EFI_BOOT_SERVICES_TABLE.#function] |
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384 | else |
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385 | if defined EFI_RUNTIME_SERVICES_TABLE.#function |
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386 | mov rbx, [rbx + EFI_RUNTIME_SERVICES_TABLE.#function] |
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387 | else |
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388 | if defined EFI_GRAPHICS_OUTPUT_PROTOCOL.#function |
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389 | mov rbx, [rbx + EFI_GRAPHICS_OUTPUT_PROTOCOL.#function] |
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390 | else |
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391 | if defined EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.#function |
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392 | mov rbx, [rbx + EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.#function] |
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393 | else |
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394 | mov rbx, [rbx + function] |
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395 | end if |
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396 | end if |
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397 | end if |
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398 | end if |
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399 | end if |
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400 | end if |
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401 | call uefifunc |
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402 | } |
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403 | |||
404 | ;********************************************************************* |
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405 | ;* Library functions * |
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406 | ;********************************************************************* |
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407 | |||
408 | section '.text' code executable readable |
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409 | |||
410 | uefifunc: |
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411 | ;save stack pointer |
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412 | mov qword [uefi_rsptmp], rsp |
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413 | ;set up new aligned stack |
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414 | and esp, 0xFFFFFFF0 |
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415 | ;alignment check on arguments |
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416 | bt eax, 0 |
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417 | jnc @f |
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418 | push rax |
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419 | ;arguments |
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420 | @@: |
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421 | cmp al, 11 |
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422 | jb @f |
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423 | push rdi |
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424 | @@: |
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425 | cmp al, 10 |
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426 | jb @f |
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427 | push rsi |
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428 | @@: |
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429 | cmp al, 9 |
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430 | jb @f |
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431 | push r14 |
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432 | @@: |
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433 | cmp al, 8 |
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434 | jb @f |
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435 | push r13 |
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436 | @@: |
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437 | cmp al, 7 |
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438 | jb @f |
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439 | push r12 |
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440 | @@: |
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441 | cmp al, 6 |
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442 | jb @f |
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443 | push r11 |
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444 | @@: |
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445 | cmp al, 5 |
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446 | jb @f |
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447 | push r10 |
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448 | @@: |
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449 | ;space for |
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450 | ;r9 |
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451 | ;r8 |
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452 | ;rdx |
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453 | ;rcx |
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454 | sub rsp, 4*8 |
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455 | ;call function |
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456 | call rbx |
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457 | ;restore old stack |
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458 | mov rsp, qword [uefi_rsptmp] |
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459 | ret |
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460 | |||
461 | section '.data' data readable writeable |
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462 | efi_handler dq 0 |
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463 | efi_ptr dq 0 |
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464 | uefi_rsptmp dq 0 |