projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 18b84857 | 1 | /** @file\r |
| ca162103 | 2 | \r |
| 55501e13 | 3 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r |
| b1f700a8 | 4 | This program and the accompanying materials \r |
| ca162103 | 5 | are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | which accompanies this distribution. The full text of the license may be found at \r | |
| 7 | http://opensource.org/licenses/bsd-license.php \r | |
| 8 | \r | |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
| 11 | \r | |
| 12 | Module Name:\r | |
| 13 | HobGeneration.c\r | |
| 14 | \r | |
| 15 | Abstract:\r | |
| 16 | \r | |
| 17 | Revision History:\r | |
| 18 | \r | |
| 18b84857 | 19 | **/\r |
| ca162103 | 20 | #include "DxeIpl.h"\r |
| 21 | #include "HobGeneration.h"\r | |
| 22 | #include "PpisNeededByDxeCore.h"\r | |
| 23 | #include "FlashLayout.h"\r | |
| 24 | #include "Debug.h"\r | |
| 25 | \r | |
| 4a1db20f | 26 | #define EFI_CPUID_EXTENDED_FUNCTION 0x80000000\r |
| 27 | #define CPUID_EXTENDED_ADD_SIZE 0x80000008\r | |
| 55501e13 | 28 | #define EBDA_VALUE_ADDRESS 0x40E\r |
| ca162103 | 29 | \r |
| 30 | HOB_TEMPLATE gHobTemplate = {\r | |
| 31 | { // Phit\r | |
| 32 | { // Header\r | |
| 33 | EFI_HOB_TYPE_HANDOFF, // HobType\r | |
| 34 | sizeof (EFI_HOB_HANDOFF_INFO_TABLE), // HobLength\r | |
| 35 | 0 // Reserved\r | |
| 36 | },\r | |
| 37 | EFI_HOB_HANDOFF_TABLE_VERSION, // Version\r | |
| 38 | BOOT_WITH_FULL_CONFIGURATION, // BootMode\r | |
| 39 | 0, // EfiMemoryTop\r | |
| 40 | 0, // EfiMemoryBottom\r | |
| 41 | 0, // EfiFreeMemoryTop\r | |
| 42 | 0, // EfiFreeMemoryBottom\r | |
| 43 | 0 // EfiEndOfHobList\r | |
| 44 | }, \r | |
| 45 | { // Bfv\r | |
| 46 | {\r | |
| 47 | EFI_HOB_TYPE_FV, // HobType\r | |
| 48 | sizeof (EFI_HOB_FIRMWARE_VOLUME), // HobLength\r | |
| 49 | 0 // Reserved\r | |
| 50 | },\r | |
| 51 | 0, // BaseAddress\r | |
| 52 | 0 // Length\r | |
| 53 | },\r | |
| 54 | { // BfvResource\r | |
| 55 | {\r | |
| 56 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 57 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 58 | 0 // Reserved\r | |
| 59 | },\r | |
| 60 | {\r | |
| 61 | 0 // Owner Guid\r | |
| 62 | },\r | |
| 63 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r | |
| 64 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 65 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 66 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
| 67 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r | |
| 68 | 0, // PhysicalStart\r | |
| 69 | 0 // ResourceLength\r | |
| 70 | },\r | |
| 71 | { // Cpu\r | |
| 72 | { // Header\r | |
| 73 | EFI_HOB_TYPE_CPU, // HobType\r | |
| 74 | sizeof (EFI_HOB_CPU), // HobLength\r | |
| 75 | 0 // Reserved\r | |
| 76 | },\r | |
| 77 | 52, // SizeOfMemorySpace - Architecture Max\r | |
| 78 | 16, // SizeOfIoSpace,\r | |
| 79 | {\r | |
| 80 | 0, 0, 0, 0, 0, 0 // Reserved[6]\r | |
| 81 | }\r | |
| 82 | },\r | |
| 83 | { // Stack HOB\r | |
| 84 | { // header\r | |
| 85 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r | |
| 86 | sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK), // Hob size\r | |
| 87 | 0 // reserved\r | |
| 88 | },\r | |
| 89 | {\r | |
| 90 | EFI_HOB_MEMORY_ALLOC_STACK_GUID,\r | |
| 91 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r | |
| 92 | 0x0, // UINT64 MemoryLength;\r | |
| 93 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r | |
| 9008db4a | 94 | {0, 0, 0, 0} // Reserved Reserved[4]; \r |
| ca162103 | 95 | }\r |
| 96 | },\r | |
| 97 | { // MemoryAllocation for HOB's & Images\r | |
| 98 | {\r | |
| 99 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // HobType\r | |
| 100 | sizeof (EFI_HOB_MEMORY_ALLOCATION), // HobLength\r | |
| 101 | 0 // Reserved\r | |
| 102 | },\r | |
| 103 | {\r | |
| 104 | {\r | |
| 105 | 0, //EFI_HOB_MEMORY_ALLOC_MODULE_GUID // Name\r | |
| 106 | },\r | |
| 107 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r | |
| 108 | 0x0, // UINT64 MemoryLength;\r | |
| 109 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r | |
| 110 | {\r | |
| 111 | 0, 0, 0, 0 // Reserved Reserved[4]; \r | |
| 112 | }\r | |
| 113 | }\r | |
| 114 | },\r | |
| 115 | { // MemoryFreeUnder1MB for unused memory that DXE core will claim\r | |
| 116 | {\r | |
| 117 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 118 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 119 | 0 // Reserved\r | |
| 120 | },\r | |
| 121 | {\r | |
| 122 | 0 // Owner Guid\r | |
| 123 | },\r | |
| 124 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
| 125 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 126 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
| 127 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 128 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
| 129 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
| 130 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
| 131 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
| 132 | 0x0, // PhysicalStart\r | |
| 133 | 0 // ResourceLength\r | |
| 134 | },\r | |
| 135 | { // MemoryFreeAbove1MB for unused memory that DXE core will claim\r | |
| 136 | {\r | |
| 137 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 138 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 139 | 0 // Reserved\r | |
| 140 | },\r | |
| 141 | {\r | |
| 142 | 0 // Owner Guid\r | |
| 143 | },\r | |
| 144 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
| 145 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 146 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
| 147 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 148 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
| 149 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
| 150 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
| 151 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
| 152 | 0x0, // PhysicalStart\r | |
| 153 | 0 // ResourceLength\r | |
| 154 | },\r | |
| 155 | { // MemoryFreeAbove4GB for unused memory that DXE core will claim\r | |
| 156 | {\r | |
| 157 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 158 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 159 | 0 // Reserved\r | |
| 160 | },\r | |
| 161 | {\r | |
| 162 | 0 // Owner Guid\r | |
| 163 | },\r | |
| 164 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
| 165 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 166 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 167 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
| 168 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
| 169 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
| 170 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
| 171 | 0x0, // PhysicalStart\r | |
| 172 | 0 // ResourceLength\r | |
| 173 | },\r | |
| 174 | { // Memory Allocation Module for DxeCore\r | |
| 175 | { // header\r | |
| 176 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r | |
| 177 | sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE), // Hob size\r | |
| 178 | 0 // reserved\r | |
| 179 | },\r | |
| 180 | {\r | |
| 181 | EFI_HOB_MEMORY_ALLOC_MODULE_GUID,\r | |
| 182 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r | |
| 183 | 0x0, // UINT64 MemoryLength;\r | |
| 184 | EfiBootServicesCode, // EFI_MEMORY_TYPE MemoryType; \r | |
| 185 | {\r | |
| 186 | 0, 0, 0, 0 // UINT8 Reserved[4]; \r | |
| 187 | },\r | |
| 188 | },\r | |
| db4d3fa1 | 189 | DXE_CORE_FILE_NAME_GUID,\r |
| ca162103 | 190 | 0x0 // EFI_PHYSICAL_ADDRESS of EntryPoint;\r |
| 191 | },\r | |
| d569cbb0 | 192 | { // MemoryDxeCore\r |
| 193 | {\r | |
| 194 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 195 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 196 | 0 // Reserved\r | |
| 197 | },\r | |
| 198 | {\r | |
| 199 | 0 // Owner Guid\r | |
| 200 | },\r | |
| 201 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r | |
| 202 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 203 | // EFI_RESOURCE_ATTRIBUTE_TESTED | // Do not mark as TESTED, or DxeCore will find it and use it before check Allocation\r | |
| 204 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 205 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r | |
| 206 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r | |
| 207 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r | |
| 208 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r | |
| 209 | 0x0, // PhysicalStart\r | |
| 210 | 0 // ResourceLength\r | |
| 211 | },\r | |
| ca162103 | 212 | { // Memory Map Hints to reduce fragmentation in the memory map\r |
| 9008db4a | 213 | {\r |
| 214 | {\r | |
| 215 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 216 | sizeof (MEMORY_TYPE_INFORMATION_HOB), // Hob size\r | |
| 217 | 0, // reserved\r | |
| 218 | },\r | |
| 219 | EFI_MEMORY_TYPE_INFORMATION_GUID\r | |
| 220 | },\r | |
| ca162103 | 221 | {\r |
| 222 | {\r | |
| 223 | EfiACPIReclaimMemory,\r | |
| 224 | 0x80\r | |
| 225 | }, // 0x80 pages = 512k for ASL\r | |
| 226 | {\r | |
| 227 | EfiACPIMemoryNVS,\r | |
| 228 | 0x100\r | |
| 229 | }, // 0x100 pages = 1024k for S3, SMM, etc\r | |
| 230 | {\r | |
| 231 | EfiReservedMemoryType,\r | |
| 232 | 0x04\r | |
| 233 | }, // 16k for BIOS Reserved\r | |
| 234 | {\r | |
| 235 | EfiRuntimeServicesData,\r | |
| 236 | 0x100\r | |
| 237 | },\r | |
| 238 | {\r | |
| 239 | EfiRuntimeServicesCode,\r | |
| 240 | 0x100\r | |
| 241 | },\r | |
| 242 | {\r | |
| 243 | EfiBootServicesCode,\r | |
| 244 | 0x200\r | |
| 245 | },\r | |
| 246 | {\r | |
| 247 | EfiBootServicesData,\r | |
| 248 | 0x200\r | |
| 249 | },\r | |
| 250 | {\r | |
| 251 | EfiLoaderCode,\r | |
| 252 | 0x100\r | |
| 253 | },\r | |
| 254 | {\r | |
| 255 | EfiLoaderData,\r | |
| 256 | 0x100\r | |
| 257 | },\r | |
| 258 | {\r | |
| 259 | EfiMaxMemoryType,\r | |
| 260 | 0\r | |
| 261 | }\r | |
| 262 | }\r | |
| 263 | },\r | |
| 264 | { // Pointer to ACPI Table\r | |
| 9008db4a | 265 | {\r |
| 266 | {\r | |
| 267 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 268 | sizeof (TABLE_HOB), // Hob size\r | |
| 269 | 0 // reserved\r | |
| 270 | },\r | |
| 271 | EFI_ACPI_TABLE_GUID\r | |
| 272 | },\r | |
| ca162103 | 273 | 0\r |
| 274 | },\r | |
| 275 | { // Pointer to ACPI20 Table\r | |
| 9008db4a | 276 | {\r |
| 277 | { \r | |
| 278 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 279 | sizeof (TABLE_HOB), // Hob size\r | |
| 280 | 0 // reserved\r | |
| 281 | },\r | |
| 282 | EFI_ACPI_20_TABLE_GUID\r | |
| 283 | },\r | |
| ca162103 | 284 | 0\r |
| 285 | },\r | |
| 286 | { // Pointer to SMBIOS Table\r | |
| 9008db4a | 287 | {\r |
| 288 | {\r | |
| 289 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 290 | sizeof (TABLE_HOB), // Hob size\r | |
| 291 | 0 // reserved\r | |
| 292 | },\r | |
| 7bc4989f | 293 | SMBIOS_TABLE_GUID\r |
| 9008db4a | 294 | },\r |
| ca162103 | 295 | 0\r |
| 296 | },\r | |
| 297 | { // Pointer to MPS Table\r | |
| 9008db4a | 298 | {\r |
| 299 | {\r | |
| 300 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 301 | sizeof (TABLE_HOB), // Hob size\r | |
| 302 | 0, // reserved\r | |
| 303 | },\r | |
| 304 | EFI_MPS_TABLE_GUID\r | |
| 305 | },\r | |
| ca162103 | 306 | 0\r |
| 307 | },\r | |
| 308 | /**\r | |
| 309 | { // Pointer to FlushInstructionCache\r | |
| 310 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 311 | sizeof (PROTOCOL_HOB), // Hob size\r | |
| 312 | 0, // reserved\r | |
| 313 | EFI_PEI_FLUSH_INSTRUCTION_CACHE_GUID,\r | |
| 314 | NULL\r | |
| 315 | },\r | |
| 316 | { // Pointer to TransferControl\r | |
| 317 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 318 | sizeof (PROTOCOL_HOB), // Hob size\r | |
| 319 | 0, // reserved\r | |
| 320 | EFI_PEI_TRANSFER_CONTROL_GUID,\r | |
| 321 | NULL\r | |
| 322 | },\r | |
| 323 | { // Pointer to PeCoffLoader\r | |
| 324 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 325 | sizeof (PROTOCOL_HOB), // Hob size\r | |
| 326 | 0, // reserved\r | |
| 327 | EFI_PEI_PE_COFF_LOADER_GUID,\r | |
| 328 | NULL\r | |
| 329 | },\r | |
| 330 | { // Pointer to EfiDecompress\r | |
| 331 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 332 | sizeof (PROTOCOL_HOB), // Hob size\r | |
| 333 | 0, // reserved\r | |
| 334 | EFI_DECOMPRESS_PROTOCOL_GUID,\r | |
| 335 | NULL\r | |
| 336 | },\r | |
| 337 | { // Pointer to TianoDecompress\r | |
| 338 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 339 | sizeof (PROTOCOL_HOB), // Hob size\r | |
| 340 | 0, // reserved\r | |
| 341 | EFI_TIANO_DECOMPRESS_PROTOCOL_GUID,\r | |
| 342 | NULL\r | |
| 343 | },\r | |
| 344 | **/\r | |
| 345 | { // Pointer to ReportStatusCode\r | |
| 9008db4a | 346 | {\r |
| 347 | {\r | |
| 348 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 349 | sizeof (PROTOCOL_HOB), // Hob size\r | |
| 350 | 0 // reserved\r | |
| 351 | },\r | |
| 352 | EFI_STATUS_CODE_RUNTIME_PROTOCOL_GUID\r | |
| 353 | },\r | |
| d555d90f | 354 | 0\r |
| ca162103 | 355 | },\r |
| 356 | { // EFILDR Memory Descriptor\r | |
| 9008db4a | 357 | {\r |
| 358 | {\r | |
| 359 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 360 | sizeof (MEMORY_DESC_HOB), // Hob size\r | |
| 361 | 0 // reserved\r | |
| 362 | },\r | |
| db4d3fa1 | 363 | LDR_MEMORY_DESCRIPTOR_GUID\r |
| 9008db4a | 364 | },\r |
| ca162103 | 365 | 0,\r |
| 366 | NULL\r | |
| 367 | },\r | |
| 368 | { // Pci Express Base Address Hob\r | |
| 9008db4a | 369 | {\r |
| 370 | {\r | |
| 371 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 372 | sizeof (PCI_EXPRESS_BASE_HOB), // Hob size\r | |
| 373 | 0 // reserved\r | |
| 374 | },\r | |
| 375 | EFI_PCI_EXPRESS_BASE_ADDRESS_GUID\r | |
| 376 | },\r | |
| ca162103 | 377 | {\r |
| 378 | 0,\r | |
| 379 | 0,\r | |
| 380 | 0,\r | |
| 381 | }\r | |
| 382 | },\r | |
| 383 | { // Acpi Description Hob\r | |
| ca162103 | 384 | {\r |
| 9008db4a | 385 | {\r |
| 386 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 387 | sizeof (ACPI_DESCRIPTION_HOB), // Hob size\r | |
| 388 | 0 // reserved\r | |
| 389 | },\r | |
| 390 | EFI_ACPI_DESCRIPTION_GUID\r | |
| 391 | },\r | |
| 392 | {\r | |
| 393 | {\r | |
| 394 | 0,\r | |
| 395 | },\r | |
| ca162103 | 396 | }\r |
| 397 | },\r | |
| 398 | { // NV Storage FV Resource\r | |
| 399 | {\r | |
| 400 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 401 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 402 | 0 // Reserved\r | |
| 403 | },\r | |
| 404 | {\r | |
| 405 | 0 // Owner Guid\r | |
| 406 | },\r | |
| 407 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r | |
| 408 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 409 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 410 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
| 411 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r | |
| 412 | 0, // PhysicalStart (Fixed later)\r | |
| 413 | NV_STORAGE_FVB_SIZE // ResourceLength\r | |
| 414 | },\r | |
| 415 | { // FVB holding NV Storage\r | |
| ca162103 | 416 | {\r |
| 9008db4a | 417 | {\r |
| 418 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 419 | sizeof (FVB_HOB),\r | |
| 420 | 0\r | |
| 421 | },\r | |
| 422 | EFI_FLASH_MAP_HOB_GUID\r | |
| 423 | },\r | |
| 424 | {\r | |
| 425 | {0, 0, 0}, // Reserved[3]\r | |
| ca162103 | 426 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r |
| 204d0e01 | 427 | EFI_SYSTEM_NV_DATA_FV_GUID , // AreaTypeGuid\r |
| ca162103 | 428 | 1,\r |
| 429 | {\r | |
| 9008db4a | 430 | {\r |
| 431 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
| 432 | 0, // SubAreaData.Reserved\r | |
| 433 | 0, // SubAreaData.Base (Fixed later)\r | |
| 434 | NV_STORAGE_FVB_SIZE, // SubAreaData.Length\r | |
| 435 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
| 436 | }\r | |
| ca162103 | 437 | }, \r |
| 438 | 0, // VolumeSignature (Fixed later)\r | |
| 439 | NV_STORAGE_FILE_PATH, // Mapped file without padding\r | |
| 440 | // TotalFVBSize = FileSize + PaddingSize = multiple of BLOCK_SIZE\r | |
| 441 | NV_STORAGE_SIZE + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r | |
| 442 | // ActuralSize\r | |
| 443 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH\r | |
| 444 | }\r | |
| 445 | },\r | |
| 446 | { // NV Storage Hob\r | |
| ca162103 | 447 | {\r |
| 9008db4a | 448 | {\r |
| 449 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 450 | sizeof (FVB_HOB), // Hob size\r | |
| 451 | 0 // reserved\r | |
| 452 | },\r | |
| 453 | EFI_FLASH_MAP_HOB_GUID\r | |
| 454 | },\r | |
| 455 | {\r | |
| 456 | {0, 0, 0}, // Reserved[3]\r | |
| ca162103 | 457 | EFI_FLASH_AREA_EFI_VARIABLES, // AreaType\r |
| 458 | { 0 }, // AreaTypeGuid\r | |
| 459 | 1,\r | |
| 460 | {\r | |
| 9008db4a | 461 | {\r |
| 462 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
| 463 | 0, // SubAreaData.Reserved\r | |
| 464 | 0, // SubAreaData.Base (Fixed later)\r | |
| 465 | NV_STORAGE_SIZE, // SubAreaData.Length\r | |
| 466 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
| 467 | }\r | |
| ca162103 | 468 | }, \r |
| 469 | 0,\r | |
| 470 | NV_STORAGE_FILE_PATH,\r | |
| 471 | NV_STORAGE_SIZE,\r | |
| 472 | 0\r | |
| 473 | }\r | |
| 474 | },\r | |
| d569cbb0 | 475 | { // NV Ftw FV Resource\r |
| 476 | {\r | |
| 477 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r | |
| 478 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r | |
| 479 | 0 // Reserved\r | |
| 480 | },\r | |
| 481 | {\r | |
| 482 | 0 // Owner Guid\r | |
| 483 | },\r | |
| 484 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r | |
| 485 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r | |
| 486 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r | |
| 487 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r | |
| 488 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r | |
| 489 | 0, // PhysicalStart (Fixed later)\r | |
| 490 | NV_FTW_FVB_SIZE // ResourceLength\r | |
| 491 | }, \r | |
| ca162103 | 492 | { // FVB holding FTW spaces including Working & Spare space\r |
| ca162103 | 493 | {\r |
| 9008db4a | 494 | {\r |
| 495 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 496 | sizeof (FVB_HOB),\r | |
| 497 | 0\r | |
| 498 | },\r | |
| 499 | EFI_FLASH_MAP_HOB_GUID\r | |
| 500 | },\r | |
| 501 | {\r | |
| 502 | {0, 0, 0}, // Reserved[3]\r | |
| ca162103 | 503 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r |
| 204d0e01 | 504 | EFI_SYSTEM_NV_DATA_FV_GUID, // AreaTypeGuid\r |
| ca162103 | 505 | 1,\r |
| 506 | {\r | |
| 9008db4a | 507 | {\r |
| 508 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
| 509 | 0, // SubAreaData.Reserved\r | |
| 510 | 0, // SubAreaData.Base (Fixed later)\r | |
| 511 | NV_FTW_FVB_SIZE, // SubAreaData.Length\r | |
| 512 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
| 513 | }\r | |
| ca162103 | 514 | }, \r |
| 515 | 0,\r | |
| 516 | L"", // Empty String indicates using memory\r | |
| 517 | 0,\r | |
| 518 | 0\r | |
| 519 | }\r | |
| 520 | },\r | |
| 521 | { // NV Ftw working Hob\r | |
| ca162103 | 522 | {\r |
| 9008db4a | 523 | {\r |
| 524 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 525 | sizeof (FVB_HOB), // Hob size\r | |
| 526 | 0 // reserved\r | |
| 527 | },\r | |
| 528 | EFI_FLASH_MAP_HOB_GUID\r | |
| 529 | },\r | |
| 530 | {\r | |
| 531 | {0, 0, 0}, // Reserved[3]\r | |
| ca162103 | 532 | EFI_FLASH_AREA_FTW_STATE, // AreaType\r |
| 533 | { 0 }, // AreaTypeGuid\r | |
| 534 | 1,\r | |
| 535 | {\r | |
| 9008db4a | 536 | {\r |
| 537 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
| 538 | 0, // SubAreaData.Reserved\r | |
| 539 | 0, // SubAreaData.Base (Fixed later)\r | |
| 540 | NV_FTW_WORKING_SIZE, // SubAreaData.Length\r | |
| 541 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
| 542 | }\r | |
| ca162103 | 543 | }, \r |
| 544 | 0, // VolumeSignature\r | |
| 545 | L"",\r | |
| 546 | 0,\r | |
| 547 | 0\r | |
| 548 | }\r | |
| 549 | },\r | |
| 550 | { // NV Ftw spare Hob\r | |
| ca162103 | 551 | {\r |
| 9008db4a | 552 | {\r |
| 553 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r | |
| 554 | sizeof (FVB_HOB), // Hob size\r | |
| 555 | 0 // reserved\r | |
| 556 | },\r | |
| 557 | EFI_FLASH_MAP_HOB_GUID\r | |
| 558 | },\r | |
| 559 | {\r | |
| 560 | {0, 0, 0}, // Reserved[3]\r | |
| ca162103 | 561 | EFI_FLASH_AREA_FTW_BACKUP, // AreaType\r |
| 562 | { 0 }, // AreaTypeGuid\r | |
| 563 | 1,\r | |
| 564 | {\r | |
| 9008db4a | 565 | {\r |
| 566 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r | |
| 567 | 0, // SubAreaData.Reserved\r | |
| 568 | 0, // SubAreaData.Base (Fixed later)\r | |
| 569 | NV_FTW_SPARE_SIZE, // SubAreaData.Length\r | |
| 570 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r | |
| 571 | }\r | |
| ca162103 | 572 | }, \r |
| 573 | 0,\r | |
| 574 | L"",\r | |
| 575 | 0,\r | |
| 576 | 0\r | |
| 577 | }\r | |
| 578 | },\r | |
| 579 | { // EndOfHobList\r | |
| 580 | EFI_HOB_TYPE_END_OF_HOB_LIST, // HobType\r | |
| 581 | sizeof (EFI_HOB_GENERIC_HEADER), // HobLength\r | |
| 582 | 0 // Reserved\r | |
| 583 | }\r | |
| 584 | };\r | |
| 585 | \r | |
| 586 | HOB_TEMPLATE *gHob = &gHobTemplate;\r | |
| 587 | \r | |
| 588 | VOID *\r | |
| 589 | PrepareHobMemory (\r | |
| 590 | IN UINTN NumberOfMemoryMapEntries,\r | |
| 591 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor\r | |
| 592 | )\r | |
| 593 | /*++\r | |
| 594 | Description:\r | |
| 595 | Update the Hob filling MemoryFreeUnder1MB, MemoryAbove1MB, MemoryAbove4GB\r | |
| 596 | \r | |
| 597 | Arguments:\r | |
| 598 | NumberOfMemoryMapEntries - Count of Memory Descriptors\r | |
| 599 | EfiMemoryDescriptor - Point to the buffer containing NumberOfMemoryMapEntries Memory Descriptors\r | |
| 600 | \r | |
| 601 | Return:\r | |
| 602 | VOID * : The end address of MemoryAbove1MB (or the top free memory under 4GB)\r | |
| 603 | --*/\r | |
| 604 | {\r | |
| 605 | UINTN Index;\r | |
| 55501e13 | 606 | UINT64 EbdaAddress;\r |
| ca162103 | 607 | \r |
| 608 | //\r | |
| 609 | // Prepare Low Memory\r | |
| 610 | // 0x18 pages is 72 KB.\r | |
| 611 | //\r | |
| 55501e13 ED |
612 | EbdaAddress = ((UINT64)(*(UINT16 *)(UINTN)(EBDA_VALUE_ADDRESS))) << 4;\r |
| 613 | if (EbdaAddress < 0x9A000 || EbdaAddress > EFI_MEMORY_BELOW_1MB_END) {\r | |
| 614 | //\r | |
| 615 | // EBDA should not go below 0x9A000 in any implementation,\r | |
| 616 | // so add check here to make sure EBDA_VALUE_ADDRESS has a valid value.\r | |
| 617 | //\r | |
| 618 | EbdaAddress = EFI_MEMORY_BELOW_1MB_END;\r | |
| 619 | }\r | |
| 620 | gHob->MemoryFreeUnder1MB.ResourceLength = EbdaAddress - EFI_MEMORY_BELOW_1MB_START;\r | |
| ca162103 | 621 | gHob->MemoryFreeUnder1MB.PhysicalStart = EFI_MEMORY_BELOW_1MB_START;\r |
| 622 | \r | |
| 623 | //\r | |
| 624 | // Prepare High Memory\r | |
| 625 | // Assume Memory Map is ordered from low to high\r | |
| 626 | //\r | |
| 627 | gHob->MemoryAbove1MB.PhysicalStart = 0;\r | |
| 628 | gHob->MemoryAbove1MB.ResourceLength = 0;\r | |
| 629 | gHob->MemoryAbove4GB.PhysicalStart = 0;\r | |
| 630 | gHob->MemoryAbove4GB.ResourceLength = 0;\r | |
| 631 | \r | |
| 632 | for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {\r | |
| 633 | //\r | |
| 634 | // Skip regions below 1MB\r | |
| 635 | //\r | |
| 636 | if (EfiMemoryDescriptor[Index].PhysicalStart < 0x100000) {\r | |
| 637 | continue;\r | |
| 638 | }\r | |
| 639 | //\r | |
| 640 | // Process regions above 1MB\r | |
| 641 | //\r | |
| 642 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000) {\r | |
| 643 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r | |
| 644 | if (gHob->MemoryAbove1MB.PhysicalStart == 0) {\r | |
| 645 | gHob->MemoryAbove1MB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r | |
| 646 | gHob->MemoryAbove1MB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
| 647 | } else if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength == EfiMemoryDescriptor[Index].PhysicalStart) {\r | |
| 648 | gHob->MemoryAbove1MB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
| 649 | }\r | |
| 650 | }\r | |
| 651 | if ((EfiMemoryDescriptor[Index].Type == EfiReservedMemoryType) ||\r | |
| 652 | (EfiMemoryDescriptor[Index].Type >= EfiACPIReclaimMemory) ) {\r | |
| 653 | continue;\r | |
| 654 | }\r | |
| 655 | if ((EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesCode) ||\r | |
| 656 | (EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesData)) {\r | |
| 657 | break;\r | |
| 658 | }\r | |
| 659 | }\r | |
| 660 | //\r | |
| 661 | // Process region above 4GB\r | |
| 662 | //\r | |
| f40bbc08 | 663 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000000LL) {\r |
| ca162103 | 664 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r |
| 665 | if (gHob->MemoryAbove4GB.PhysicalStart == 0) {\r | |
| 666 | gHob->MemoryAbove4GB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r | |
| 667 | gHob->MemoryAbove4GB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
| 668 | }\r | |
| 669 | if (gHob->MemoryAbove4GB.PhysicalStart + gHob->MemoryAbove4GB.ResourceLength == \r | |
| 670 | EfiMemoryDescriptor[Index].PhysicalStart) {\r | |
| 671 | gHob->MemoryAbove4GB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r | |
| 672 | }\r | |
| 673 | }\r | |
| 674 | }\r | |
| 675 | }\r | |
| 676 | \r | |
| 677 | if (gHob->MemoryAbove4GB.ResourceLength == 0) {\r | |
| 678 | //\r | |
| 679 | // If there is no memory above 4GB then change the resource descriptor HOB\r | |
| 680 | // into another type. I'm doing this as it's unclear if a resource\r | |
| 681 | // descriptor HOB of length zero is valid. Spec does not say it's illegal,\r | |
| 682 | // but code in EDK does not seem to handle this case.\r | |
| 683 | //\r | |
| 684 | gHob->MemoryAbove4GB.Header.HobType = EFI_HOB_TYPE_UNUSED;\r | |
| 685 | }\r | |
| 686 | \r | |
| 687 | return (VOID *)(UINTN)(gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength);\r | |
| 688 | }\r | |
| 689 | \r | |
| 690 | VOID *\r | |
| 691 | PrepareHobStack (\r | |
| 692 | IN VOID *StackTop\r | |
| 693 | )\r | |
| 694 | {\r | |
| 695 | gHob->Stack.AllocDescriptor.MemoryLength = EFI_MEMORY_STACK_PAGE_NUM * EFI_PAGE_SIZE;\r | |
| 696 | gHob->Stack.AllocDescriptor.MemoryBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)StackTop - gHob->Stack.AllocDescriptor.MemoryLength;\r | |
| 697 | \r | |
| 698 | return (VOID *)(UINTN)gHob->Stack.AllocDescriptor.MemoryBaseAddress;\r | |
| 699 | }\r | |
| 700 | \r | |
| 701 | VOID *\r | |
| 702 | PrepareHobMemoryDescriptor (\r | |
| 703 | VOID *MemoryDescriptorTop,\r | |
| 704 | UINTN MemDescCount,\r | |
| 705 | EFI_MEMORY_DESCRIPTOR *MemDesc\r | |
| 706 | )\r | |
| 707 | {\r | |
| 708 | gHob->MemoryDescriptor.MemDescCount = MemDescCount;\r | |
| 709 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryDescriptorTop - MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 710 | //\r | |
| 711 | // Make MemoryDescriptor.MemDesc page aligned\r | |
| 712 | //\r | |
| 713 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN) gHob->MemoryDescriptor.MemDesc & ~EFI_PAGE_MASK);\r | |
| 714 | \r | |
| 715 | CopyMem (gHob->MemoryDescriptor.MemDesc, MemDesc, MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 716 | \r | |
| 717 | return gHob->MemoryDescriptor.MemDesc;\r | |
| 718 | }\r | |
| 719 | \r | |
| 720 | VOID\r | |
| 721 | PrepareHobBfv (\r | |
| 722 | VOID *Bfv,\r | |
| 723 | UINTN BfvLength\r | |
| 724 | )\r | |
| 725 | {\r | |
| e188a609 | 726 | //UINTN BfvLengthPageSize;\r |
| ca162103 | 727 | \r |
| 728 | //\r | |
| 729 | // Calculate BFV location at top of the memory region.\r | |
| 34f5c234 | 730 | // This is like a RAM Disk. Align to page boundary.\r |
| ca162103 | 731 | //\r |
| e188a609 | 732 | //BfvLengthPageSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (BfvLength));\r |
| ca162103 | 733 | \r |
| 734 | gHob->Bfv.BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Bfv;\r | |
| 735 | gHob->Bfv.Length = BfvLength;\r | |
| 736 | \r | |
| 737 | //\r | |
| 738 | // Resource descriptor for the FV\r | |
| 739 | //\r | |
| 740 | gHob->BfvResource.PhysicalStart = gHob->Bfv.BaseAddress;\r | |
| 741 | gHob->BfvResource.ResourceLength = gHob->Bfv.Length;\r | |
| 742 | }\r | |
| 743 | \r | |
| 744 | VOID\r | |
| 745 | PrepareHobDxeCore (\r | |
| 746 | VOID *DxeCoreEntryPoint,\r | |
| 747 | EFI_PHYSICAL_ADDRESS DxeCoreImageBase,\r | |
| 748 | UINT64 DxeCoreLength\r | |
| 749 | )\r | |
| 750 | {\r | |
| d569cbb0 | 751 | gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress = DxeCoreImageBase;\r |
| ca162103 | 752 | gHob->DxeCore.MemoryAllocationHeader.MemoryLength = DxeCoreLength;\r |
| 753 | gHob->DxeCore.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)DxeCoreEntryPoint;\r | |
| d569cbb0 | 754 | \r |
| 755 | \r | |
| 756 | gHob->MemoryDxeCore.PhysicalStart = DxeCoreImageBase;\r | |
| 757 | gHob->MemoryDxeCore.ResourceLength = DxeCoreLength; \r | |
| ca162103 | 758 | }\r |
| 759 | \r | |
| 760 | VOID *\r | |
| 761 | PrepareHobNvStorage (\r | |
| 762 | VOID *NvStorageTop\r | |
| 763 | )\r | |
| 764 | /*\r | |
| 765 | Initialize Block-Aligned Firmware Block.\r | |
| 766 | \r | |
| 767 | Variable:\r | |
| 768 | +-------------------+\r | |
| 769 | | FV_Header |\r | |
| 770 | +-------------------+\r | |
| 771 | | |\r | |
| 772 | |VAR_STORAGE(0x4000)|\r | |
| 773 | | |\r | |
| 774 | +-------------------+\r | |
| 775 | FTW:\r | |
| 776 | +-------------------+\r | |
| 777 | | FV_Header |\r | |
| 778 | +-------------------+\r | |
| 779 | | |\r | |
| 780 | | Working(0x2000) |\r | |
| 781 | | |\r | |
| 782 | +-------------------+\r | |
| 783 | | |\r | |
| 784 | | Spare(0x10000) |\r | |
| 785 | | |\r | |
| 786 | +-------------------+\r | |
| 787 | */\r | |
| 788 | {\r | |
| e56dd2ce | 789 | STATIC VARIABLE_STORE_HEADER VarStoreHeader = {\r |
| 439c34f3 | 790 | VARIABLE_STORE_SIGNATURE,\r |
| ca162103 | 791 | 0xffffffff, // will be fixed in Variable driver\r |
| 792 | VARIABLE_STORE_FORMATTED,\r | |
| 793 | VARIABLE_STORE_HEALTHY,\r | |
| 794 | 0,\r | |
| 795 | 0\r | |
| 796 | };\r | |
| 797 | \r | |
| e56dd2ce | 798 | STATIC EFI_FIRMWARE_VOLUME_HEADER NvStorageFvbHeader = {\r |
| ca162103 | 799 | {\r |
| 800 | 0,\r | |
| 801 | }, // ZeroVector[16]\r | |
| 802 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
| 803 | NV_STORAGE_FVB_SIZE,\r | |
| 804 | EFI_FVH_SIGNATURE,\r | |
| 805 | EFI_FVB_READ_ENABLED_CAP |\r | |
| 806 | EFI_FVB_READ_STATUS |\r | |
| 807 | EFI_FVB_WRITE_ENABLED_CAP |\r | |
| 808 | EFI_FVB_WRITE_STATUS |\r | |
| 809 | EFI_FVB_ERASE_POLARITY,\r | |
| 810 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r | |
| 811 | 0, // CheckSum\r | |
| 812 | 0, // ExtHeaderOffset\r | |
| 813 | {\r | |
| 814 | 0,\r | |
| 815 | }, // Reserved[1]\r | |
| 816 | 1, // Revision\r | |
| 817 | {\r | |
| 818 | {\r | |
| 819 | NV_STORAGE_FVB_BLOCK_NUM,\r | |
| 820 | FV_BLOCK_SIZE,\r | |
| 821 | }\r | |
| 822 | }\r | |
| 823 | };\r | |
| 824 | \r | |
| e56dd2ce | 825 | STATIC EFI_FV_BLOCK_MAP_ENTRY BlockMapEntryEnd = {0, 0};\r |
| ca162103 | 826 | \r |
| 827 | EFI_PHYSICAL_ADDRESS StorageFvbBase;\r | |
| 828 | EFI_PHYSICAL_ADDRESS FtwFvbBase;\r | |
| 829 | \r | |
| 830 | UINT16 *Ptr;\r | |
| 831 | UINT16 Checksum;\r | |
| 832 | \r | |
| 833 | \r | |
| 834 | //\r | |
| 835 | // Use first 16-byte Reset Vector of FVB to store extra information\r | |
| 836 | // UINT32 Offset 0 stores the volume signature\r | |
| 837 | // UINT8 Offset 4 : should init the Variable Store Header if non-zero\r | |
| 838 | //\r | |
| 839 | gHob->NvStorageFvb.FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r | |
| 840 | gHob->NvStorage. FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r | |
| 841 | \r | |
| 842 | //\r | |
| 843 | // *(NV_STORAGE_STATE + 4):\r | |
| 844 | // 2 - Size error\r | |
| 845 | // 1 - File not exist\r | |
| 846 | // 0 - File exist with correct size\r | |
| 847 | //\r | |
| 848 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) == 2) {\r | |
| 849 | ClearScreen ();\r | |
| 850 | PrintString ("Error: Size of Efivar.bin should be 16k!\n");\r | |
| 851 | CpuDeadLoop();\r | |
| 852 | }\r | |
| 853 | \r | |
| 854 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) != 0) {\r | |
| 855 | //\r | |
| 856 | // Efivar.bin doesn't exist\r | |
| 857 | // 1. Init variable storage header to valid header\r | |
| 858 | //\r | |
| 859 | CopyMem (\r | |
| 860 | (VOID *) (UINTN) NV_STORAGE_START,\r | |
| 861 | &VarStoreHeader,\r | |
| 862 | sizeof (VARIABLE_STORE_HEADER)\r | |
| 863 | );\r | |
| 864 | //\r | |
| 865 | // 2. set all bits in variable storage body to 1\r | |
| 866 | //\r | |
| 867 | SetMem (\r | |
| 868 | (VOID *) (UINTN) (NV_STORAGE_START + sizeof (VARIABLE_STORE_HEADER)),\r | |
| 869 | NV_STORAGE_SIZE - sizeof (VARIABLE_STORE_HEADER),\r | |
| 870 | 0xff\r | |
| 871 | );\r | |
| 872 | }\r | |
| 873 | \r | |
| 874 | //\r | |
| 875 | // Relocate variable storage\r | |
| 876 | // \r | |
| 877 | // 1. Init FVB Header to valid header: First 0x48 bytes\r | |
| 878 | // In real platform, these fields are fixed by tools\r | |
| 879 | //\r | |
| 880 | //\r | |
| 881 | Checksum = 0;\r | |
| 882 | for (\r | |
| 883 | Ptr = (UINT16 *) &NvStorageFvbHeader; \r | |
| 884 | Ptr < (UINT16 *) ((UINTN) (UINT8 *) &NvStorageFvbHeader + sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r | |
| 885 | ++Ptr\r | |
| 886 | ) {\r | |
| 887 | Checksum = (UINT16) (Checksum + (*Ptr));\r | |
| 888 | }\r | |
| 889 | NvStorageFvbHeader.Checksum = (UINT16) (0x10000 - Checksum);\r | |
| 890 | StorageFvbBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)NvStorageTop - NV_STORAGE_FVB_SIZE - NV_FTW_FVB_SIZE) & ~EFI_PAGE_MASK);\r | |
| 891 | CopyMem ((VOID *) (UINTN) StorageFvbBase, &NvStorageFvbHeader, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r | |
| 892 | CopyMem (\r | |
| 893 | (VOID *) (UINTN) (StorageFvbBase + sizeof (EFI_FIRMWARE_VOLUME_HEADER)),\r | |
| 894 | &BlockMapEntryEnd,\r | |
| 895 | sizeof (EFI_FV_BLOCK_MAP_ENTRY)\r | |
| 896 | );\r | |
| 897 | \r | |
| 898 | //\r | |
| 899 | // 2. Relocate variable data\r | |
| 900 | //\r | |
| 901 | CopyMem (\r | |
| 902 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH),\r | |
| 903 | (VOID *) (UINTN) NV_STORAGE_START,\r | |
| 904 | NV_STORAGE_SIZE\r | |
| 905 | );\r | |
| 906 | \r | |
| 907 | //\r | |
| 908 | // 3. Set the remaining memory to 0xff\r | |
| 909 | //\r | |
| 910 | SetMem (\r | |
| 911 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_STORAGE_SIZE),\r | |
| 912 | NV_STORAGE_FVB_SIZE - NV_STORAGE_SIZE - EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r | |
| 913 | 0xff\r | |
| 914 | );\r | |
| 915 | \r | |
| 916 | //\r | |
| 917 | // Create the FVB holding NV Storage in memory\r | |
| 918 | //\r | |
| 919 | gHob->NvStorageFvResource.PhysicalStart =\r | |
| 920 | gHob->NvStorageFvb.FvbInfo.Entries[0].Base = StorageFvbBase;\r | |
| 921 | //\r | |
| 922 | // Create the NV Storage Hob\r | |
| 923 | //\r | |
| 924 | gHob->NvStorage.FvbInfo.Entries[0].Base = StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r | |
| 925 | \r | |
| 926 | //\r | |
| 927 | // Create the FVB holding FTW spaces\r | |
| 928 | //\r | |
| 929 | FtwFvbBase = (EFI_PHYSICAL_ADDRESS)((UINTN) StorageFvbBase + NV_STORAGE_FVB_SIZE);\r | |
| d569cbb0 | 930 | gHob->NvFtwFvResource.PhysicalStart =\r |
| 931 | gHob->NvFtwFvb.FvbInfo.Entries[0].Base = FtwFvbBase;\r | |
| ca162103 | 932 | //\r |
| 933 | // Put FTW Working in front\r | |
| 934 | //\r | |
| 935 | gHob->NvFtwWorking.FvbInfo.Entries[0].Base = FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r | |
| 936 | \r | |
| 937 | //\r | |
| 938 | // Put FTW Spare area after FTW Working area\r | |
| 939 | //\r | |
| 940 | gHob->NvFtwSpare.FvbInfo.Entries[0].Base = \r | |
| 941 | (EFI_PHYSICAL_ADDRESS)((UINTN) FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_FTW_WORKING_SIZE);\r | |
| 942 | \r | |
| 943 | return (VOID *)(UINTN)StorageFvbBase;\r | |
| 944 | }\r | |
| 945 | \r | |
| 946 | VOID\r | |
| 947 | PrepareHobPhit (\r | |
| 948 | VOID *MemoryTop,\r | |
| 949 | VOID *FreeMemoryTop\r | |
| 950 | )\r | |
| 951 | {\r | |
| 952 | gHob->Phit.EfiMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryTop;\r | |
| 953 | gHob->Phit.EfiMemoryBottom = gHob->Phit.EfiMemoryTop - CONSUMED_MEMORY;\r | |
| 954 | gHob->Phit.EfiFreeMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)FreeMemoryTop;\r | |
| 955 | gHob->Phit.EfiFreeMemoryBottom = gHob->Phit.EfiMemoryBottom + sizeof(HOB_TEMPLATE);\r | |
| 956 | \r | |
| 957 | CopyMem ((VOID *)(UINTN)gHob->Phit.EfiMemoryBottom, gHob, sizeof(HOB_TEMPLATE));\r | |
| 958 | gHob = (HOB_TEMPLATE *)(UINTN)gHob->Phit.EfiMemoryBottom;\r | |
| 959 | \r | |
| 960 | gHob->Phit.EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)&gHob->EndOfHobList;\r | |
| 961 | }\r | |
| 962 | \r | |
| 963 | VOID\r | |
| 964 | PrepareHobCpu (\r | |
| 965 | VOID\r | |
| 966 | )\r | |
| 967 | {\r | |
| 4a1db20f | 968 | UINT32 CpuidEax;\r |
| ca162103 | 969 | \r |
| 970 | //\r | |
| 971 | // Create a CPU hand-off information\r | |
| 972 | //\r | |
| 4a1db20f | 973 | gHob->Cpu.SizeOfMemorySpace = 36;\r |
| ca162103 | 974 | \r |
| 4a1db20f | 975 | AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &CpuidEax, NULL, NULL, NULL);\r |
| 976 | if (CpuidEax >= CPUID_EXTENDED_ADD_SIZE) {\r | |
| 977 | AsmCpuid (CPUID_EXTENDED_ADD_SIZE, &CpuidEax, NULL, NULL, NULL);\r | |
| 978 | gHob->Cpu.SizeOfMemorySpace = (UINT8)(CpuidEax & 0xFF);\r | |
| ca162103 | 979 | }\r |
| ca162103 | 980 | }\r |
| 981 | \r | |
| 982 | VOID\r | |
| 983 | CompleteHobGeneration (\r | |
| 984 | VOID\r | |
| 985 | )\r | |
| 986 | {\r | |
| 987 | gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress = gHob->Phit.EfiFreeMemoryTop;\r | |
| 988 | //\r | |
| 989 | // Reserve all the memory under Stack above FreeMemoryTop as allocated\r | |
| 990 | //\r | |
| 991 | gHob->MemoryAllocation.AllocDescriptor.MemoryLength = gHob->Stack.AllocDescriptor.MemoryBaseAddress - gHob->Phit.EfiFreeMemoryTop;\r | |
| 992 | \r | |
| 993 | //\r | |
| 994 | // adjust Above1MB ResourceLength\r | |
| 995 | //\r | |
| 996 | if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength > gHob->Phit.EfiMemoryTop) {\r | |
| 997 | gHob->MemoryAbove1MB.ResourceLength = gHob->Phit.EfiMemoryTop - gHob->MemoryAbove1MB.PhysicalStart;\r | |
| 998 | }\r | |
| 999 | }\r | |
| 1000 | \r |