projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| b303605e MK |
1 | /** @file\r |
| 2 | Defines data structure that is the volume header found.These data is intent\r | |
| 3 | to decouple FVB driver with FV header.\r | |
| 4 | \r | |
| 5 | Copyright (c) 2013 Intel Corporation.\r | |
| 6 | \r | |
| 7 | This program and the accompanying materials\r | |
| 8 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 9 | which accompanies this distribution. The full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php\r | |
| 11 | \r | |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | \r | |
| 15 | \r | |
| 16 | **/\r | |
| 17 | \r | |
| 18 | #include <PiDxe.h>\r | |
| 19 | #include "FwBlockService.h"\r | |
| 20 | \r | |
| 21 | \r | |
| 22 | //#define FVB_MEDIA_BLOCK_SIZE PcdGet32(PcdFlashMinEraseSize)\r | |
| 23 | #define FVB_MEDIA_BLOCK_SIZE 0x1000\r | |
| 24 | \r | |
| 25 | typedef struct {\r | |
| 26 | EFI_PHYSICAL_ADDRESS BaseAddress;\r | |
| 27 | EFI_FIRMWARE_VOLUME_HEADER FvbInfo;\r | |
| 28 | //\r | |
| 29 | //EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0\r | |
| 30 | //\r | |
| 31 | EFI_FV_BLOCK_MAP_ENTRY End[1];\r | |
| 32 | } EFI_FVB2_MEDIA_INFO;\r | |
| 33 | \r | |
| 34 | //\r | |
| 35 | // This data structure contains a template of all correct FV headers, which is used to restore\r | |
| 36 | // Fv header if it's corrupted.\r | |
| 37 | //\r | |
| 38 | EFI_FVB2_MEDIA_INFO mPlatformFvbMediaInfo[] = {\r | |
| 39 | //\r | |
| 40 | // Main BIOS FVB\r | |
| 41 | //\r | |
| 42 | {\r | |
| 43 | 0,\r | |
| 44 | {\r | |
| 45 | {0,}, //ZeroVector[16]\r | |
| 46 | EFI_FIRMWARE_FILE_SYSTEM2_GUID,\r | |
| 47 | 0,\r | |
| 48 | EFI_FVH_SIGNATURE,\r | |
| 49 | 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2\r | |
| 50 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
| 51 | 0, //CheckSum, check the FD for the value.\r | |
| 52 | 0, //ExtHeaderOffset\r | |
| 53 | {0,}, //Reserved[1]\r | |
| 54 | 2, //Revision\r | |
| 55 | {\r | |
| 56 | {\r | |
| 57 | 0,\r | |
| 58 | 0,\r | |
| 59 | }\r | |
| 60 | }\r | |
| 61 | },\r | |
| 62 | {\r | |
| 63 | {\r | |
| 64 | 0,\r | |
| 65 | 0\r | |
| 66 | }\r | |
| 67 | }\r | |
| 68 | },\r | |
| 69 | //\r | |
| 70 | // Systen NvStorage FVB\r | |
| 71 | //\r | |
| 72 | {\r | |
| 73 | 0,\r | |
| 74 | {\r | |
| 75 | {0,}, //ZeroVector[16]\r | |
| 76 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
| 77 | 0,\r | |
| 78 | EFI_FVH_SIGNATURE,\r | |
| 79 | 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2\r | |
| 80 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
| 81 | 0, //CheckSum which will be calucated dynamically.\r | |
| 82 | 0, //ExtHeaderOffset\r | |
| 83 | {0,}, //Reserved[1]\r | |
| 84 | 2, //Revision\r | |
| 85 | {\r | |
| 86 | {\r | |
| 87 | 0,\r | |
| 88 | 0,\r | |
| 89 | }\r | |
| 90 | }\r | |
| 91 | },\r | |
| 92 | {\r | |
| 93 | {\r | |
| 94 | 0,\r | |
| 95 | 0\r | |
| 96 | }\r | |
| 97 | }\r | |
| 98 | },\r | |
| 99 | //\r | |
| 100 | // Recovery BIOS FVB\r | |
| 101 | //\r | |
| 102 | {\r | |
| 103 | 0,\r | |
| 104 | {\r | |
| 105 | {0,}, //ZeroVector[16]\r | |
| 106 | EFI_FIRMWARE_FILE_SYSTEM2_GUID,\r | |
| 107 | 0,\r | |
| 108 | EFI_FVH_SIGNATURE,\r | |
| 109 | 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2\r | |
| 110 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
| 111 | 0, //CheckSum which will be calucated dynamically.\r | |
| 112 | 0, //ExtHeaderOffset\r | |
| 113 | {0,}, //Reserved[1]\r | |
| 114 | 2, //Revision\r | |
| 115 | {\r | |
| 116 | {\r | |
| 117 | 0,\r | |
| 118 | 0,\r | |
| 119 | }\r | |
| 120 | }\r | |
| 121 | },\r | |
| 122 | {\r | |
| 123 | {\r | |
| 124 | 0,\r | |
| 125 | 0\r | |
| 126 | }\r | |
| 127 | }\r | |
| 128 | },\r | |
| 129 | //\r | |
| 130 | // Payload FVB\r | |
| 131 | //\r | |
| 132 | {\r | |
| 133 | 0,\r | |
| 134 | {\r | |
| 135 | {0,}, //ZeroVector[16]\r | |
| 136 | EFI_FIRMWARE_FILE_SYSTEM2_GUID,\r | |
| 137 | 0,\r | |
| 138 | EFI_FVH_SIGNATURE,\r | |
| 139 | 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2\r | |
| 140 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
| 141 | 0, //CheckSum which will be calucated dynamically.\r | |
| 142 | 0x60, //ExtHeaderOffset\r | |
| 143 | {0,}, //Reserved[1]\r | |
| 144 | 2, //Revision\r | |
| 145 | {\r | |
| 146 | {\r | |
| 147 | 0,\r | |
| 148 | 0,\r | |
| 149 | }\r | |
| 150 | }\r | |
| 151 | },\r | |
| 152 | {\r | |
| 153 | {\r | |
| 154 | 0,\r | |
| 155 | 0\r | |
| 156 | }\r | |
| 157 | }\r | |
| 158 | }\r | |
| 159 | };\r | |
| 160 | \r | |
| 161 | \r | |
| 162 | //\r | |
| 163 | // FTW working space and FTW spare space don't have FV header.\r | |
| 164 | // We need create one for them and use it for FVB protocol.\r | |
| 165 | //\r | |
| 166 | EFI_FVB2_MEDIA_INFO mPlatformFtwFvbInfo[] = {\r | |
| 167 | //\r | |
| 168 | // System variable FTW working FVB\r | |
| 169 | //\r | |
| 170 | {\r | |
| 171 | 0,\r | |
| 172 | {\r | |
| 173 | {0,}, //ZeroVector[16]\r | |
| 174 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
| 175 | 0,\r | |
| 176 | EFI_FVH_SIGNATURE,\r | |
| 177 | 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2\r | |
| 178 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
| 179 | 0, //CheckSum which will be calucated dynamically.\r | |
| 180 | 0, //ExtHeaderOffset\r | |
| 181 | {0,}, //Reserved[1]\r | |
| 182 | 2, //Revision\r | |
| 183 | {\r | |
| 184 | {\r | |
| 185 | 0,\r | |
| 186 | 0,\r | |
| 187 | }\r | |
| 188 | }\r | |
| 189 | },\r | |
| 190 | {\r | |
| 191 | {\r | |
| 192 | 0,\r | |
| 193 | 0\r | |
| 194 | }\r | |
| 195 | }\r | |
| 196 | },\r | |
| 197 | //\r | |
| 198 | // Systen NV variable FTW spare FVB\r | |
| 199 | //\r | |
| 200 | {\r | |
| 201 | 0,\r | |
| 202 | {\r | |
| 203 | {0,}, //ZeroVector[16]\r | |
| 204 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
| 205 | 0,\r | |
| 206 | EFI_FVH_SIGNATURE,\r | |
| 207 | 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2\r | |
| 208 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
| 209 | 0, //CheckSum which will be calucated dynamically.\r | |
| 210 | 0, //ExtHeaderOffset\r | |
| 211 | {0,}, //Reserved[1]\r | |
| 212 | 2, //Revision\r | |
| 213 | {\r | |
| 214 | {\r | |
| 215 | 0,\r | |
| 216 | 0,\r | |
| 217 | }\r | |
| 218 | }\r | |
| 219 | },\r | |
| 220 | {\r | |
| 221 | {\r | |
| 222 | 0,\r | |
| 223 | 0\r | |
| 224 | }\r | |
| 225 | }\r | |
| 226 | }\r | |
| 227 | };\r | |
| 228 | \r | |
| 229 | \r | |
| 230 | \r | |
| 231 | EFI_STATUS\r | |
| 232 | GetFtwFvbInfo (\r | |
| 233 | IN EFI_PHYSICAL_ADDRESS FvBaseAddress,\r | |
| 234 | OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo\r | |
| 235 | )\r | |
| 236 | {\r | |
| 237 | UINTN Index;\r | |
| 238 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
| 239 | \r | |
| 240 | //\r | |
| 241 | // Init Fvb data\r | |
| 242 | //\r | |
| 243 | mPlatformFtwFvbInfo[0].BaseAddress = PcdGet32 (PcdFlashNvStorageFtwWorkingBase);\r | |
| 244 | mPlatformFtwFvbInfo[0].FvbInfo.FvLength = PcdGet32 (PcdFlashNvStorageFtwWorkingSize);\r | |
| 245 | mPlatformFtwFvbInfo[0].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashNvStorageFtwWorkingSize) / FVB_MEDIA_BLOCK_SIZE;\r | |
| 246 | mPlatformFtwFvbInfo[0].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;\r | |
| 247 | ASSERT ((PcdGet32 (PcdFlashNvStorageFtwWorkingSize) % FVB_MEDIA_BLOCK_SIZE) == 0);\r | |
| 248 | \r | |
| 249 | mPlatformFtwFvbInfo[1].BaseAddress = PcdGet32 (PcdFlashNvStorageFtwSpareBase);\r | |
| 250 | mPlatformFtwFvbInfo[1].FvbInfo.FvLength = PcdGet32 (PcdFlashNvStorageFtwSpareSize);\r | |
| 251 | mPlatformFtwFvbInfo[1].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashNvStorageFtwSpareSize) / FVB_MEDIA_BLOCK_SIZE;\r | |
| 252 | mPlatformFtwFvbInfo[1].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;\r | |
| 253 | ASSERT ((PcdGet32 (PcdFlashNvStorageFtwSpareSize) % FVB_MEDIA_BLOCK_SIZE) == 0);\r | |
| 254 | \r | |
| 255 | for (Index=0; Index < sizeof (mPlatformFtwFvbInfo)/sizeof (mPlatformFtwFvbInfo[0]); Index += 1) {\r | |
| 256 | if (mPlatformFtwFvbInfo[Index].BaseAddress == FvBaseAddress) {\r | |
| 257 | FvHeader = &mPlatformFtwFvbInfo[Index].FvbInfo;\r | |
| 258 | //\r | |
| 259 | // Update the checksum value of FV header.\r | |
| 260 | //\r | |
| 261 | FvHeader->Checksum = CalculateCheckSum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));\r | |
| 262 | \r | |
| 263 | *FvbInfo = FvHeader;\r | |
| 264 | \r | |
| 265 | DEBUG ((EFI_D_INFO, "\nFTW BaseAddr: 0x%lx \n", FvBaseAddress));\r | |
| 266 | DEBUG ((EFI_D_INFO, "FvLength: 0x%lx \n", (*FvbInfo)->FvLength));\r | |
| 267 | DEBUG ((EFI_D_INFO, "HeaderLength: 0x%x \n", (*FvbInfo)->HeaderLength));\r | |
| 268 | DEBUG ((EFI_D_INFO, "FvBlockMap[0].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[0].NumBlocks));\r | |
| 269 | DEBUG ((EFI_D_INFO, "FvBlockMap[0].BlockLength: 0x%x \n", (*FvbInfo)->BlockMap[0].Length));\r | |
| 270 | DEBUG ((EFI_D_INFO, "FvBlockMap[1].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[1].NumBlocks));\r | |
| 271 | DEBUG ((EFI_D_INFO, "FvBlockMap[1].BlockLength: 0x%x \n\n", (*FvbInfo)->BlockMap[1].Length));\r | |
| 272 | \r | |
| 273 | return EFI_SUCCESS;\r | |
| 274 | }\r | |
| 275 | }\r | |
| 276 | return EFI_NOT_FOUND;\r | |
| 277 | }\r | |
| 278 | \r | |
| 279 | \r | |
| 280 | EFI_STATUS\r | |
| 281 | GetFvbInfo (\r | |
| 282 | IN EFI_PHYSICAL_ADDRESS FvBaseAddress,\r | |
| 283 | OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo\r | |
| 284 | )\r | |
| 285 | {\r | |
| 286 | UINTN Index;\r | |
| 287 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
| 288 | \r | |
| 289 | //\r | |
| 290 | // Init Fvb data\r | |
| 291 | //\r | |
| 292 | mPlatformFvbMediaInfo[0].BaseAddress = PcdGet32 (PcdFlashFvMainBase);\r | |
| 293 | mPlatformFvbMediaInfo[0].FvbInfo.FvLength = PcdGet32 (PcdFlashFvMainSize);\r | |
| 294 | mPlatformFvbMediaInfo[0].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashFvMainSize) / FVB_MEDIA_BLOCK_SIZE;\r | |
| 295 | mPlatformFvbMediaInfo[0].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;\r | |
| 296 | ASSERT ((PcdGet32 (PcdFlashFvMainSize) % FVB_MEDIA_BLOCK_SIZE) == 0);\r | |
| 297 | \r | |
| 298 | mPlatformFvbMediaInfo[1].BaseAddress = PcdGet32 (PcdFlashNvStorageVariableBase);\r | |
| 299 | mPlatformFvbMediaInfo[1].FvbInfo.FvLength = PcdGet32 (PcdFlashNvStorageVariableSize);\r | |
| 300 | mPlatformFvbMediaInfo[1].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashNvStorageVariableSize) / FVB_MEDIA_BLOCK_SIZE;\r | |
| 301 | mPlatformFvbMediaInfo[1].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;\r | |
| 302 | ASSERT ((PcdGet32 (PcdFlashNvStorageVariableSize) % FVB_MEDIA_BLOCK_SIZE) == 0);\r | |
| 303 | \r | |
| 304 | mPlatformFvbMediaInfo[2].BaseAddress = PcdGet32 (PcdFlashFvRecoveryBase);\r | |
| 305 | mPlatformFvbMediaInfo[2].FvbInfo.FvLength = PcdGet32 (PcdFlashFvRecoverySize);\r | |
| 306 | mPlatformFvbMediaInfo[2].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashFvRecoverySize) / FVB_MEDIA_BLOCK_SIZE;\r | |
| 307 | mPlatformFvbMediaInfo[2].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;\r | |
| 308 | ASSERT ((PcdGet32 (PcdFlashFvRecoverySize) % FVB_MEDIA_BLOCK_SIZE) == 0);\r | |
| 309 | \r | |
| 310 | mPlatformFvbMediaInfo[3].BaseAddress = PcdGet32 (PcdFlashFvPayloadBase);\r | |
| 311 | mPlatformFvbMediaInfo[3].FvbInfo.FvLength = PcdGet32 (PcdFlashFvPayloadSize);\r | |
| 312 | mPlatformFvbMediaInfo[3].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashFvPayloadSize) / FVB_MEDIA_BLOCK_SIZE;\r | |
| 313 | mPlatformFvbMediaInfo[3].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;\r | |
| 314 | ASSERT ((PcdGet32 (PcdFlashFvPayloadSize) % FVB_MEDIA_BLOCK_SIZE) == 0);\r | |
| 315 | \r | |
| 316 | for (Index=0; Index < sizeof (mPlatformFvbMediaInfo)/sizeof (mPlatformFvbMediaInfo[0]); Index += 1) {\r | |
| 317 | if (mPlatformFvbMediaInfo[Index].BaseAddress == FvBaseAddress) {\r | |
| 318 | FvHeader = &mPlatformFvbMediaInfo[Index].FvbInfo;\r | |
| 319 | //\r | |
| 320 | // Update the checksum value of FV header.\r | |
| 321 | //\r | |
| 322 | FvHeader->Checksum = CalculateCheckSum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));\r | |
| 323 | \r | |
| 324 | *FvbInfo = FvHeader;\r | |
| 325 | \r | |
| 326 | DEBUG ((EFI_D_INFO, "\nBaseAddr: 0x%lx \n", FvBaseAddress));\r | |
| 327 | DEBUG ((EFI_D_INFO, "FvLength: 0x%lx \n", (*FvbInfo)->FvLength));\r | |
| 328 | DEBUG ((EFI_D_INFO, "HeaderLength: 0x%x \n", (*FvbInfo)->HeaderLength));\r | |
| 329 | DEBUG ((EFI_D_INFO, "FvBlockMap[0].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[0].NumBlocks));\r | |
| 330 | DEBUG ((EFI_D_INFO, "FvBlockMap[0].BlockLength: 0x%x \n", (*FvbInfo)->BlockMap[0].Length));\r | |
| 331 | DEBUG ((EFI_D_INFO, "FvBlockMap[1].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[1].NumBlocks));\r | |
| 332 | DEBUG ((EFI_D_INFO, "FvBlockMap[1].BlockLength: 0x%x \n\n", (*FvbInfo)->BlockMap[1].Length));\r | |
| 333 | \r | |
| 334 | return EFI_SUCCESS;\r | |
| 335 | }\r | |
| 336 | }\r | |
| 337 | return EFI_NOT_FOUND;\r | |
| 338 | }\r |