| | 1 | /** @file\r |
| | 2 | \r |
| | 3 | Copyright (c) 2006 - 2010, Intel Corporation \r |
| | 4 | All rights reserved. This program and the accompanying materials \r |
| | 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 |
| | 19 | **/\r |
| | 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 |
| | 26 | #define EFI_DXE_FILE_GUID \\r |
| | 27 | { 0xb1644c1a, 0xc16a, 0x4c5b, {0x88, 0xde, 0xea, 0xfb, 0xa9, 0x7e, 0x74, 0xd8 }}\r |
| | 28 | \r |
| | 29 | #define EFI_CPUID_EXTENDED_FUNCTION 0x80000000\r |
| | 30 | #define CPUID_EXTENDED_ADD_SIZE 0x80000008\r |
| | 31 | \r |
| | 32 | HOB_TEMPLATE gHobTemplate = {\r |
| | 33 | { // Phit\r |
| | 34 | { // Header\r |
| | 35 | EFI_HOB_TYPE_HANDOFF, // HobType\r |
| | 36 | sizeof (EFI_HOB_HANDOFF_INFO_TABLE), // HobLength\r |
| | 37 | 0 // Reserved\r |
| | 38 | },\r |
| | 39 | EFI_HOB_HANDOFF_TABLE_VERSION, // Version\r |
| | 40 | BOOT_WITH_FULL_CONFIGURATION, // BootMode\r |
| | 41 | 0, // EfiMemoryTop\r |
| | 42 | 0, // EfiMemoryBottom\r |
| | 43 | 0, // EfiFreeMemoryTop\r |
| | 44 | 0, // EfiFreeMemoryBottom\r |
| | 45 | 0 // EfiEndOfHobList\r |
| | 46 | }, \r |
| | 47 | { // Bfv\r |
| | 48 | {\r |
| | 49 | EFI_HOB_TYPE_FV, // HobType\r |
| | 50 | sizeof (EFI_HOB_FIRMWARE_VOLUME), // HobLength\r |
| | 51 | 0 // Reserved\r |
| | 52 | },\r |
| | 53 | 0, // BaseAddress\r |
| | 54 | 0 // Length\r |
| | 55 | },\r |
| | 56 | { // BfvResource\r |
| | 57 | {\r |
| | 58 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 59 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 60 | 0 // Reserved\r |
| | 61 | },\r |
| | 62 | {\r |
| | 63 | 0 // Owner Guid\r |
| | 64 | },\r |
| | 65 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r |
| | 66 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 67 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 68 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
| | 69 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r |
| | 70 | 0, // PhysicalStart\r |
| | 71 | 0 // ResourceLength\r |
| | 72 | },\r |
| | 73 | { // Cpu\r |
| | 74 | { // Header\r |
| | 75 | EFI_HOB_TYPE_CPU, // HobType\r |
| | 76 | sizeof (EFI_HOB_CPU), // HobLength\r |
| | 77 | 0 // Reserved\r |
| | 78 | },\r |
| | 79 | 52, // SizeOfMemorySpace - Architecture Max\r |
| | 80 | 16, // SizeOfIoSpace,\r |
| | 81 | {\r |
| | 82 | 0, 0, 0, 0, 0, 0 // Reserved[6]\r |
| | 83 | }\r |
| | 84 | },\r |
| | 85 | { // Stack HOB\r |
| | 86 | { // header\r |
| | 87 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r |
| | 88 | sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK), // Hob size\r |
| | 89 | 0 // reserved\r |
| | 90 | },\r |
| | 91 | {\r |
| | 92 | EFI_HOB_MEMORY_ALLOC_STACK_GUID,\r |
| | 93 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r |
| | 94 | 0x0, // UINT64 MemoryLength;\r |
| | 95 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r |
| | 96 | {0, 0, 0, 0} // Reserved Reserved[4]; \r |
| | 97 | }\r |
| | 98 | },\r |
| | 99 | { // MemoryAllocation for HOB's & Images\r |
| | 100 | {\r |
| | 101 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // HobType\r |
| | 102 | sizeof (EFI_HOB_MEMORY_ALLOCATION), // HobLength\r |
| | 103 | 0 // Reserved\r |
| | 104 | },\r |
| | 105 | {\r |
| | 106 | {\r |
| | 107 | 0, //EFI_HOB_MEMORY_ALLOC_MODULE_GUID // Name\r |
| | 108 | },\r |
| | 109 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r |
| | 110 | 0x0, // UINT64 MemoryLength;\r |
| | 111 | EfiBootServicesData, // EFI_MEMORY_TYPE MemoryType; \r |
| | 112 | {\r |
| | 113 | 0, 0, 0, 0 // Reserved Reserved[4]; \r |
| | 114 | }\r |
| | 115 | }\r |
| | 116 | },\r |
| | 117 | { // MemoryFreeUnder1MB for unused memory that DXE core will claim\r |
| | 118 | {\r |
| | 119 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 120 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 121 | 0 // Reserved\r |
| | 122 | },\r |
| | 123 | {\r |
| | 124 | 0 // Owner Guid\r |
| | 125 | },\r |
| | 126 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
| | 127 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 128 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
| | 129 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 130 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
| | 131 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
| | 132 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
| | 133 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
| | 134 | 0x0, // PhysicalStart\r |
| | 135 | 0 // ResourceLength\r |
| | 136 | },\r |
| | 137 | { // MemoryFreeAbove1MB for unused memory that DXE core will claim\r |
| | 138 | {\r |
| | 139 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 140 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 141 | 0 // Reserved\r |
| | 142 | },\r |
| | 143 | {\r |
| | 144 | 0 // Owner Guid\r |
| | 145 | },\r |
| | 146 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
| | 147 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 148 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
| | 149 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 150 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
| | 151 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
| | 152 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
| | 153 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
| | 154 | 0x0, // PhysicalStart\r |
| | 155 | 0 // ResourceLength\r |
| | 156 | },\r |
| | 157 | { // MemoryFreeAbove4GB for unused memory that DXE core will claim\r |
| | 158 | {\r |
| | 159 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 160 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 161 | 0 // Reserved\r |
| | 162 | },\r |
| | 163 | {\r |
| | 164 | 0 // Owner Guid\r |
| | 165 | },\r |
| | 166 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
| | 167 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 168 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 169 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
| | 170 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
| | 171 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
| | 172 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
| | 173 | 0x0, // PhysicalStart\r |
| | 174 | 0 // ResourceLength\r |
| | 175 | },\r |
| | 176 | { // Memory Allocation Module for DxeCore\r |
| | 177 | { // header\r |
| | 178 | EFI_HOB_TYPE_MEMORY_ALLOCATION, // Hob type\r |
| | 179 | sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE), // Hob size\r |
| | 180 | 0 // reserved\r |
| | 181 | },\r |
| | 182 | {\r |
| | 183 | EFI_HOB_MEMORY_ALLOC_MODULE_GUID,\r |
| | 184 | 0x0, // EFI_PHYSICAL_ADDRESS MemoryBaseAddress;\r |
| | 185 | 0x0, // UINT64 MemoryLength;\r |
| | 186 | EfiBootServicesCode, // EFI_MEMORY_TYPE MemoryType; \r |
| | 187 | {\r |
| | 188 | 0, 0, 0, 0 // UINT8 Reserved[4]; \r |
| | 189 | },\r |
| | 190 | },\r |
| | 191 | EFI_DXE_FILE_GUID,\r |
| | 192 | 0x0 // EFI_PHYSICAL_ADDRESS of EntryPoint;\r |
| | 193 | },\r |
| | 194 | { // MemoryDxeCore\r |
| | 195 | {\r |
| | 196 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 197 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 198 | 0 // Reserved\r |
| | 199 | },\r |
| | 200 | {\r |
| | 201 | 0 // Owner Guid\r |
| | 202 | },\r |
| | 203 | EFI_RESOURCE_SYSTEM_MEMORY, // ResourceType\r |
| | 204 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 205 | // EFI_RESOURCE_ATTRIBUTE_TESTED | // Do not mark as TESTED, or DxeCore will find it and use it before check Allocation\r |
| | 206 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 207 | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | \r |
| | 208 | EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | \r |
| | 209 | EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | \r |
| | 210 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), \r |
| | 211 | 0x0, // PhysicalStart\r |
| | 212 | 0 // ResourceLength\r |
| | 213 | },\r |
| | 214 | { // Memory Map Hints to reduce fragmentation in the memory map\r |
| | 215 | {\r |
| | 216 | {\r |
| | 217 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 218 | sizeof (MEMORY_TYPE_INFORMATION_HOB), // Hob size\r |
| | 219 | 0, // reserved\r |
| | 220 | },\r |
| | 221 | EFI_MEMORY_TYPE_INFORMATION_GUID\r |
| | 222 | },\r |
| | 223 | {\r |
| | 224 | {\r |
| | 225 | EfiACPIReclaimMemory,\r |
| | 226 | 0x80\r |
| | 227 | }, // 0x80 pages = 512k for ASL\r |
| | 228 | {\r |
| | 229 | EfiACPIMemoryNVS,\r |
| | 230 | 0x100\r |
| | 231 | }, // 0x100 pages = 1024k for S3, SMM, etc\r |
| | 232 | {\r |
| | 233 | EfiReservedMemoryType,\r |
| | 234 | 0x04\r |
| | 235 | }, // 16k for BIOS Reserved\r |
| | 236 | {\r |
| | 237 | EfiRuntimeServicesData,\r |
| | 238 | 0x100\r |
| | 239 | },\r |
| | 240 | {\r |
| | 241 | EfiRuntimeServicesCode,\r |
| | 242 | 0x100\r |
| | 243 | },\r |
| | 244 | {\r |
| | 245 | EfiBootServicesCode,\r |
| | 246 | 0x200\r |
| | 247 | },\r |
| | 248 | {\r |
| | 249 | EfiBootServicesData,\r |
| | 250 | 0x200\r |
| | 251 | },\r |
| | 252 | {\r |
| | 253 | EfiLoaderCode,\r |
| | 254 | 0x100\r |
| | 255 | },\r |
| | 256 | {\r |
| | 257 | EfiLoaderData,\r |
| | 258 | 0x100\r |
| | 259 | },\r |
| | 260 | {\r |
| | 261 | EfiMaxMemoryType,\r |
| | 262 | 0\r |
| | 263 | }\r |
| | 264 | }\r |
| | 265 | },\r |
| | 266 | { // Pointer to ACPI Table\r |
| | 267 | {\r |
| | 268 | {\r |
| | 269 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 270 | sizeof (TABLE_HOB), // Hob size\r |
| | 271 | 0 // reserved\r |
| | 272 | },\r |
| | 273 | EFI_ACPI_TABLE_GUID\r |
| | 274 | },\r |
| | 275 | 0\r |
| | 276 | },\r |
| | 277 | { // Pointer to ACPI20 Table\r |
| | 278 | {\r |
| | 279 | { \r |
| | 280 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 281 | sizeof (TABLE_HOB), // Hob size\r |
| | 282 | 0 // reserved\r |
| | 283 | },\r |
| | 284 | EFI_ACPI_20_TABLE_GUID\r |
| | 285 | },\r |
| | 286 | 0\r |
| | 287 | },\r |
| | 288 | { // Pointer to SMBIOS Table\r |
| | 289 | {\r |
| | 290 | {\r |
| | 291 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 292 | sizeof (TABLE_HOB), // Hob size\r |
| | 293 | 0 // reserved\r |
| | 294 | },\r |
| | 295 | SMBIOS_TABLE_GUID\r |
| | 296 | },\r |
| | 297 | 0\r |
| | 298 | },\r |
| | 299 | { // Pointer to MPS Table\r |
| | 300 | {\r |
| | 301 | {\r |
| | 302 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 303 | sizeof (TABLE_HOB), // Hob size\r |
| | 304 | 0, // reserved\r |
| | 305 | },\r |
| | 306 | EFI_MPS_TABLE_GUID\r |
| | 307 | },\r |
| | 308 | 0\r |
| | 309 | },\r |
| | 310 | /**\r |
| | 311 | { // Pointer to FlushInstructionCache\r |
| | 312 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 313 | sizeof (PROTOCOL_HOB), // Hob size\r |
| | 314 | 0, // reserved\r |
| | 315 | EFI_PEI_FLUSH_INSTRUCTION_CACHE_GUID,\r |
| | 316 | NULL\r |
| | 317 | },\r |
| | 318 | { // Pointer to TransferControl\r |
| | 319 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 320 | sizeof (PROTOCOL_HOB), // Hob size\r |
| | 321 | 0, // reserved\r |
| | 322 | EFI_PEI_TRANSFER_CONTROL_GUID,\r |
| | 323 | NULL\r |
| | 324 | },\r |
| | 325 | { // Pointer to PeCoffLoader\r |
| | 326 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 327 | sizeof (PROTOCOL_HOB), // Hob size\r |
| | 328 | 0, // reserved\r |
| | 329 | EFI_PEI_PE_COFF_LOADER_GUID,\r |
| | 330 | NULL\r |
| | 331 | },\r |
| | 332 | { // Pointer to EfiDecompress\r |
| | 333 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 334 | sizeof (PROTOCOL_HOB), // Hob size\r |
| | 335 | 0, // reserved\r |
| | 336 | EFI_DECOMPRESS_PROTOCOL_GUID,\r |
| | 337 | NULL\r |
| | 338 | },\r |
| | 339 | { // Pointer to TianoDecompress\r |
| | 340 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 341 | sizeof (PROTOCOL_HOB), // Hob size\r |
| | 342 | 0, // reserved\r |
| | 343 | EFI_TIANO_DECOMPRESS_PROTOCOL_GUID,\r |
| | 344 | NULL\r |
| | 345 | },\r |
| | 346 | **/\r |
| | 347 | { // Pointer to ReportStatusCode\r |
| | 348 | {\r |
| | 349 | {\r |
| | 350 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 351 | sizeof (PROTOCOL_HOB), // Hob size\r |
| | 352 | 0 // reserved\r |
| | 353 | },\r |
| | 354 | EFI_STATUS_CODE_RUNTIME_PROTOCOL_GUID\r |
| | 355 | },\r |
| | 356 | NULL\r |
| | 357 | },\r |
| | 358 | { // EFILDR Memory Descriptor\r |
| | 359 | {\r |
| | 360 | {\r |
| | 361 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 362 | sizeof (MEMORY_DESC_HOB), // Hob size\r |
| | 363 | 0 // reserved\r |
| | 364 | },\r |
| | 365 | EFI_LDR_MEMORY_DESCRIPTOR_GUID\r |
| | 366 | },\r |
| | 367 | 0,\r |
| | 368 | NULL\r |
| | 369 | },\r |
| | 370 | { // Pci Express Base Address Hob\r |
| | 371 | {\r |
| | 372 | {\r |
| | 373 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 374 | sizeof (PCI_EXPRESS_BASE_HOB), // Hob size\r |
| | 375 | 0 // reserved\r |
| | 376 | },\r |
| | 377 | EFI_PCI_EXPRESS_BASE_ADDRESS_GUID\r |
| | 378 | },\r |
| | 379 | {\r |
| | 380 | 0,\r |
| | 381 | 0,\r |
| | 382 | 0,\r |
| | 383 | }\r |
| | 384 | },\r |
| | 385 | { // Acpi Description Hob\r |
| | 386 | {\r |
| | 387 | {\r |
| | 388 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 389 | sizeof (ACPI_DESCRIPTION_HOB), // Hob size\r |
| | 390 | 0 // reserved\r |
| | 391 | },\r |
| | 392 | EFI_ACPI_DESCRIPTION_GUID\r |
| | 393 | },\r |
| | 394 | {\r |
| | 395 | {\r |
| | 396 | 0,\r |
| | 397 | },\r |
| | 398 | }\r |
| | 399 | },\r |
| | 400 | { // NV Storage FV Resource\r |
| | 401 | {\r |
| | 402 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 403 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 404 | 0 // Reserved\r |
| | 405 | },\r |
| | 406 | {\r |
| | 407 | 0 // Owner Guid\r |
| | 408 | },\r |
| | 409 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r |
| | 410 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 411 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 412 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
| | 413 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r |
| | 414 | 0, // PhysicalStart (Fixed later)\r |
| | 415 | NV_STORAGE_FVB_SIZE // ResourceLength\r |
| | 416 | },\r |
| | 417 | { // FVB holding NV Storage\r |
| | 418 | {\r |
| | 419 | {\r |
| | 420 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 421 | sizeof (FVB_HOB),\r |
| | 422 | 0\r |
| | 423 | },\r |
| | 424 | EFI_FLASH_MAP_HOB_GUID\r |
| | 425 | },\r |
| | 426 | {\r |
| | 427 | {0, 0, 0}, // Reserved[3]\r |
| | 428 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r |
| | 429 | EFI_SYSTEM_NV_DATA_FV_GUID , // AreaTypeGuid\r |
| | 430 | 1,\r |
| | 431 | {\r |
| | 432 | {\r |
| | 433 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
| | 434 | 0, // SubAreaData.Reserved\r |
| | 435 | 0, // SubAreaData.Base (Fixed later)\r |
| | 436 | NV_STORAGE_FVB_SIZE, // SubAreaData.Length\r |
| | 437 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
| | 438 | }\r |
| | 439 | }, \r |
| | 440 | 0, // VolumeSignature (Fixed later)\r |
| | 441 | NV_STORAGE_FILE_PATH, // Mapped file without padding\r |
| | 442 | // TotalFVBSize = FileSize + PaddingSize = multiple of BLOCK_SIZE\r |
| | 443 | NV_STORAGE_SIZE + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r |
| | 444 | // ActuralSize\r |
| | 445 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH\r |
| | 446 | }\r |
| | 447 | },\r |
| | 448 | { // NV Storage Hob\r |
| | 449 | {\r |
| | 450 | {\r |
| | 451 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 452 | sizeof (FVB_HOB), // Hob size\r |
| | 453 | 0 // reserved\r |
| | 454 | },\r |
| | 455 | EFI_FLASH_MAP_HOB_GUID\r |
| | 456 | },\r |
| | 457 | {\r |
| | 458 | {0, 0, 0}, // Reserved[3]\r |
| | 459 | EFI_FLASH_AREA_EFI_VARIABLES, // AreaType\r |
| | 460 | { 0 }, // AreaTypeGuid\r |
| | 461 | 1,\r |
| | 462 | {\r |
| | 463 | {\r |
| | 464 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
| | 465 | 0, // SubAreaData.Reserved\r |
| | 466 | 0, // SubAreaData.Base (Fixed later)\r |
| | 467 | NV_STORAGE_SIZE, // SubAreaData.Length\r |
| | 468 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
| | 469 | }\r |
| | 470 | }, \r |
| | 471 | 0,\r |
| | 472 | NV_STORAGE_FILE_PATH,\r |
| | 473 | NV_STORAGE_SIZE,\r |
| | 474 | 0\r |
| | 475 | }\r |
| | 476 | },\r |
| | 477 | { // NV Ftw FV Resource\r |
| | 478 | {\r |
| | 479 | EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, // HobType\r |
| | 480 | sizeof (EFI_HOB_RESOURCE_DESCRIPTOR), // HobLength\r |
| | 481 | 0 // Reserved\r |
| | 482 | },\r |
| | 483 | {\r |
| | 484 | 0 // Owner Guid\r |
| | 485 | },\r |
| | 486 | EFI_RESOURCE_FIRMWARE_DEVICE, // ResourceType\r |
| | 487 | (EFI_RESOURCE_ATTRIBUTE_PRESENT |\r |
| | 488 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r |
| | 489 | EFI_RESOURCE_ATTRIBUTE_TESTED |\r |
| | 490 | EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE), // ResourceAttribute\r |
| | 491 | 0, // PhysicalStart (Fixed later)\r |
| | 492 | NV_FTW_FVB_SIZE // ResourceLength\r |
| | 493 | }, \r |
| | 494 | { // FVB holding FTW spaces including Working & Spare space\r |
| | 495 | {\r |
| | 496 | {\r |
| | 497 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 498 | sizeof (FVB_HOB),\r |
| | 499 | 0\r |
| | 500 | },\r |
| | 501 | EFI_FLASH_MAP_HOB_GUID\r |
| | 502 | },\r |
| | 503 | {\r |
| | 504 | {0, 0, 0}, // Reserved[3]\r |
| | 505 | EFI_FLASH_AREA_GUID_DEFINED, // AreaType\r |
| | 506 | EFI_SYSTEM_NV_DATA_FV_GUID, // AreaTypeGuid\r |
| | 507 | 1,\r |
| | 508 | {\r |
| | 509 | {\r |
| | 510 | EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
| | 511 | 0, // SubAreaData.Reserved\r |
| | 512 | 0, // SubAreaData.Base (Fixed later)\r |
| | 513 | NV_FTW_FVB_SIZE, // SubAreaData.Length\r |
| | 514 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
| | 515 | }\r |
| | 516 | }, \r |
| | 517 | 0,\r |
| | 518 | L"", // Empty String indicates using memory\r |
| | 519 | 0,\r |
| | 520 | 0\r |
| | 521 | }\r |
| | 522 | },\r |
| | 523 | { // NV Ftw working Hob\r |
| | 524 | {\r |
| | 525 | {\r |
| | 526 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 527 | sizeof (FVB_HOB), // Hob size\r |
| | 528 | 0 // reserved\r |
| | 529 | },\r |
| | 530 | EFI_FLASH_MAP_HOB_GUID\r |
| | 531 | },\r |
| | 532 | {\r |
| | 533 | {0, 0, 0}, // Reserved[3]\r |
| | 534 | EFI_FLASH_AREA_FTW_STATE, // AreaType\r |
| | 535 | { 0 }, // AreaTypeGuid\r |
| | 536 | 1,\r |
| | 537 | {\r |
| | 538 | {\r |
| | 539 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
| | 540 | 0, // SubAreaData.Reserved\r |
| | 541 | 0, // SubAreaData.Base (Fixed later)\r |
| | 542 | NV_FTW_WORKING_SIZE, // SubAreaData.Length\r |
| | 543 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
| | 544 | }\r |
| | 545 | }, \r |
| | 546 | 0, // VolumeSignature\r |
| | 547 | L"",\r |
| | 548 | 0,\r |
| | 549 | 0\r |
| | 550 | }\r |
| | 551 | },\r |
| | 552 | { // NV Ftw spare Hob\r |
| | 553 | {\r |
| | 554 | {\r |
| | 555 | EFI_HOB_TYPE_GUID_EXTENSION, // Hob type\r |
| | 556 | sizeof (FVB_HOB), // Hob size\r |
| | 557 | 0 // reserved\r |
| | 558 | },\r |
| | 559 | EFI_FLASH_MAP_HOB_GUID\r |
| | 560 | },\r |
| | 561 | {\r |
| | 562 | {0, 0, 0}, // Reserved[3]\r |
| | 563 | EFI_FLASH_AREA_FTW_BACKUP, // AreaType\r |
| | 564 | { 0 }, // AreaTypeGuid\r |
| | 565 | 1,\r |
| | 566 | {\r |
| | 567 | {\r |
| | 568 | EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV, // SubAreaData.Attributes\r |
| | 569 | 0, // SubAreaData.Reserved\r |
| | 570 | 0, // SubAreaData.Base (Fixed later)\r |
| | 571 | NV_FTW_SPARE_SIZE, // SubAreaData.Length\r |
| | 572 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID // SubAreaData.FileSystem\r |
| | 573 | }\r |
| | 574 | }, \r |
| | 575 | 0,\r |
| | 576 | L"",\r |
| | 577 | 0,\r |
| | 578 | 0\r |
| | 579 | }\r |
| | 580 | },\r |
| | 581 | { // EndOfHobList\r |
| | 582 | EFI_HOB_TYPE_END_OF_HOB_LIST, // HobType\r |
| | 583 | sizeof (EFI_HOB_GENERIC_HEADER), // HobLength\r |
| | 584 | 0 // Reserved\r |
| | 585 | }\r |
| | 586 | };\r |
| | 587 | \r |
| | 588 | HOB_TEMPLATE *gHob = &gHobTemplate;\r |
| | 589 | \r |
| | 590 | VOID *\r |
| | 591 | PrepareHobMemory (\r |
| | 592 | IN UINTN NumberOfMemoryMapEntries,\r |
| | 593 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor\r |
| | 594 | )\r |
| | 595 | /*++\r |
| | 596 | Description:\r |
| | 597 | Update the Hob filling MemoryFreeUnder1MB, MemoryAbove1MB, MemoryAbove4GB\r |
| | 598 | \r |
| | 599 | Arguments:\r |
| | 600 | NumberOfMemoryMapEntries - Count of Memory Descriptors\r |
| | 601 | EfiMemoryDescriptor - Point to the buffer containing NumberOfMemoryMapEntries Memory Descriptors\r |
| | 602 | \r |
| | 603 | Return:\r |
| | 604 | VOID * : The end address of MemoryAbove1MB (or the top free memory under 4GB)\r |
| | 605 | --*/\r |
| | 606 | {\r |
| | 607 | UINTN Index;\r |
| | 608 | \r |
| | 609 | //\r |
| | 610 | // Prepare Low Memory\r |
| | 611 | // 0x18 pages is 72 KB.\r |
| | 612 | //\r |
| | 613 | gHob->MemoryFreeUnder1MB.ResourceLength = EFI_MEMORY_BELOW_1MB_END - EFI_MEMORY_BELOW_1MB_START;\r |
| | 614 | gHob->MemoryFreeUnder1MB.PhysicalStart = EFI_MEMORY_BELOW_1MB_START;\r |
| | 615 | \r |
| | 616 | //\r |
| | 617 | // Prepare High Memory\r |
| | 618 | // Assume Memory Map is ordered from low to high\r |
| | 619 | //\r |
| | 620 | gHob->MemoryAbove1MB.PhysicalStart = 0;\r |
| | 621 | gHob->MemoryAbove1MB.ResourceLength = 0;\r |
| | 622 | gHob->MemoryAbove4GB.PhysicalStart = 0;\r |
| | 623 | gHob->MemoryAbove4GB.ResourceLength = 0;\r |
| | 624 | \r |
| | 625 | for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {\r |
| | 626 | //\r |
| | 627 | // Skip regions below 1MB\r |
| | 628 | //\r |
| | 629 | if (EfiMemoryDescriptor[Index].PhysicalStart < 0x100000) {\r |
| | 630 | continue;\r |
| | 631 | }\r |
| | 632 | //\r |
| | 633 | // Process regions above 1MB\r |
| | 634 | //\r |
| | 635 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000) {\r |
| | 636 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r |
| | 637 | if (gHob->MemoryAbove1MB.PhysicalStart == 0) {\r |
| | 638 | gHob->MemoryAbove1MB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r |
| | 639 | gHob->MemoryAbove1MB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
| | 640 | } else if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength == EfiMemoryDescriptor[Index].PhysicalStart) {\r |
| | 641 | gHob->MemoryAbove1MB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
| | 642 | }\r |
| | 643 | }\r |
| | 644 | if ((EfiMemoryDescriptor[Index].Type == EfiReservedMemoryType) ||\r |
| | 645 | (EfiMemoryDescriptor[Index].Type >= EfiACPIReclaimMemory) ) {\r |
| | 646 | continue;\r |
| | 647 | }\r |
| | 648 | if ((EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesCode) ||\r |
| | 649 | (EfiMemoryDescriptor[Index].Type == EfiRuntimeServicesData)) {\r |
| | 650 | break;\r |
| | 651 | }\r |
| | 652 | }\r |
| | 653 | //\r |
| | 654 | // Process region above 4GB\r |
| | 655 | //\r |
| | 656 | if (EfiMemoryDescriptor[Index].PhysicalStart >= 0x100000000LL) {\r |
| | 657 | if (EfiMemoryDescriptor[Index].Type == EfiConventionalMemory) {\r |
| | 658 | if (gHob->MemoryAbove4GB.PhysicalStart == 0) {\r |
| | 659 | gHob->MemoryAbove4GB.PhysicalStart = EfiMemoryDescriptor[Index].PhysicalStart;\r |
| | 660 | gHob->MemoryAbove4GB.ResourceLength = LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
| | 661 | }\r |
| | 662 | if (gHob->MemoryAbove4GB.PhysicalStart + gHob->MemoryAbove4GB.ResourceLength == \r |
| | 663 | EfiMemoryDescriptor[Index].PhysicalStart) {\r |
| | 664 | gHob->MemoryAbove4GB.ResourceLength += LShiftU64 (EfiMemoryDescriptor[Index].NumberOfPages, EFI_PAGE_SHIFT);\r |
| | 665 | }\r |
| | 666 | }\r |
| | 667 | }\r |
| | 668 | }\r |
| | 669 | \r |
| | 670 | if (gHob->MemoryAbove4GB.ResourceLength == 0) {\r |
| | 671 | //\r |
| | 672 | // If there is no memory above 4GB then change the resource descriptor HOB\r |
| | 673 | // into another type. I'm doing this as it's unclear if a resource\r |
| | 674 | // descriptor HOB of length zero is valid. Spec does not say it's illegal,\r |
| | 675 | // but code in EDK does not seem to handle this case.\r |
| | 676 | //\r |
| | 677 | gHob->MemoryAbove4GB.Header.HobType = EFI_HOB_TYPE_UNUSED;\r |
| | 678 | }\r |
| | 679 | \r |
| | 680 | return (VOID *)(UINTN)(gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength);\r |
| | 681 | }\r |
| | 682 | \r |
| | 683 | VOID *\r |
| | 684 | PrepareHobStack (\r |
| | 685 | IN VOID *StackTop\r |
| | 686 | )\r |
| | 687 | {\r |
| | 688 | gHob->Stack.AllocDescriptor.MemoryLength = EFI_MEMORY_STACK_PAGE_NUM * EFI_PAGE_SIZE;\r |
| | 689 | gHob->Stack.AllocDescriptor.MemoryBaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)StackTop - gHob->Stack.AllocDescriptor.MemoryLength;\r |
| | 690 | \r |
| | 691 | return (VOID *)(UINTN)gHob->Stack.AllocDescriptor.MemoryBaseAddress;\r |
| | 692 | }\r |
| | 693 | \r |
| | 694 | VOID *\r |
| | 695 | PrepareHobMemoryDescriptor (\r |
| | 696 | VOID *MemoryDescriptorTop,\r |
| | 697 | UINTN MemDescCount,\r |
| | 698 | EFI_MEMORY_DESCRIPTOR *MemDesc\r |
| | 699 | )\r |
| | 700 | {\r |
| | 701 | gHob->MemoryDescriptor.MemDescCount = MemDescCount;\r |
| | 702 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN)MemoryDescriptorTop - MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r |
| | 703 | //\r |
| | 704 | // Make MemoryDescriptor.MemDesc page aligned\r |
| | 705 | //\r |
| | 706 | gHob->MemoryDescriptor.MemDesc = (EFI_MEMORY_DESCRIPTOR *)((UINTN) gHob->MemoryDescriptor.MemDesc & ~EFI_PAGE_MASK);\r |
| | 707 | \r |
| | 708 | CopyMem (gHob->MemoryDescriptor.MemDesc, MemDesc, MemDescCount * sizeof(EFI_MEMORY_DESCRIPTOR));\r |
| | 709 | \r |
| | 710 | return gHob->MemoryDescriptor.MemDesc;\r |
| | 711 | }\r |
| | 712 | \r |
| | 713 | VOID\r |
| | 714 | PrepareHobBfv (\r |
| | 715 | VOID *Bfv,\r |
| | 716 | UINTN BfvLength\r |
| | 717 | )\r |
| | 718 | {\r |
| | 719 | //UINTN BfvLengthPageSize;\r |
| | 720 | \r |
| | 721 | //\r |
| | 722 | // Calculate BFV location at top of the memory region.\r |
| | 723 | // This is like a RAM Disk. Align to page boundry.\r |
| | 724 | //\r |
| | 725 | //BfvLengthPageSize = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (BfvLength));\r |
| | 726 | \r |
| | 727 | gHob->Bfv.BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Bfv;\r |
| | 728 | gHob->Bfv.Length = BfvLength;\r |
| | 729 | \r |
| | 730 | //\r |
| | 731 | // Resource descriptor for the FV\r |
| | 732 | //\r |
| | 733 | gHob->BfvResource.PhysicalStart = gHob->Bfv.BaseAddress;\r |
| | 734 | gHob->BfvResource.ResourceLength = gHob->Bfv.Length;\r |
| | 735 | }\r |
| | 736 | \r |
| | 737 | VOID\r |
| | 738 | PrepareHobDxeCore (\r |
| | 739 | VOID *DxeCoreEntryPoint,\r |
| | 740 | EFI_PHYSICAL_ADDRESS DxeCoreImageBase,\r |
| | 741 | UINT64 DxeCoreLength\r |
| | 742 | )\r |
| | 743 | {\r |
| | 744 | gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress = DxeCoreImageBase;\r |
| | 745 | gHob->DxeCore.MemoryAllocationHeader.MemoryLength = DxeCoreLength;\r |
| | 746 | gHob->DxeCore.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)DxeCoreEntryPoint;\r |
| | 747 | \r |
| | 748 | \r |
| | 749 | gHob->MemoryDxeCore.PhysicalStart = DxeCoreImageBase;\r |
| | 750 | gHob->MemoryDxeCore.ResourceLength = DxeCoreLength; \r |
| | 751 | }\r |
| | 752 | \r |
| | 753 | VOID *\r |
| | 754 | PrepareHobNvStorage (\r |
| | 755 | VOID *NvStorageTop\r |
| | 756 | )\r |
| | 757 | /*\r |
| | 758 | Initialize Block-Aligned Firmware Block.\r |
| | 759 | \r |
| | 760 | Variable:\r |
| | 761 | +-------------------+\r |
| | 762 | | FV_Header |\r |
| | 763 | +-------------------+\r |
| | 764 | | |\r |
| | 765 | |VAR_STORAGE(0x4000)|\r |
| | 766 | | |\r |
| | 767 | +-------------------+\r |
| | 768 | FTW:\r |
| | 769 | +-------------------+\r |
| | 770 | | FV_Header |\r |
| | 771 | +-------------------+\r |
| | 772 | | |\r |
| | 773 | | Working(0x2000) |\r |
| | 774 | | |\r |
| | 775 | +-------------------+\r |
| | 776 | | |\r |
| | 777 | | Spare(0x10000) |\r |
| | 778 | | |\r |
| | 779 | +-------------------+\r |
| | 780 | */\r |
| | 781 | {\r |
| | 782 | STATIC VARIABLE_STORE_HEADER VarStoreHeader = {\r |
| | 783 | VARIABLE_STORE_SIGNATURE,\r |
| | 784 | 0xffffffff, // will be fixed in Variable driver\r |
| | 785 | VARIABLE_STORE_FORMATTED,\r |
| | 786 | VARIABLE_STORE_HEALTHY,\r |
| | 787 | 0,\r |
| | 788 | 0\r |
| | 789 | };\r |
| | 790 | \r |
| | 791 | STATIC EFI_FIRMWARE_VOLUME_HEADER NvStorageFvbHeader = {\r |
| | 792 | {\r |
| | 793 | 0,\r |
| | 794 | }, // ZeroVector[16]\r |
| | 795 | EFI_SYSTEM_NV_DATA_FV_GUID,\r |
| | 796 | NV_STORAGE_FVB_SIZE,\r |
| | 797 | EFI_FVH_SIGNATURE,\r |
| | 798 | EFI_FVB_READ_ENABLED_CAP |\r |
| | 799 | EFI_FVB_READ_STATUS |\r |
| | 800 | EFI_FVB_WRITE_ENABLED_CAP |\r |
| | 801 | EFI_FVB_WRITE_STATUS |\r |
| | 802 | EFI_FVB_ERASE_POLARITY,\r |
| | 803 | EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r |
| | 804 | 0, // CheckSum\r |
| | 805 | 0, // ExtHeaderOffset\r |
| | 806 | {\r |
| | 807 | 0,\r |
| | 808 | }, // Reserved[1]\r |
| | 809 | 1, // Revision\r |
| | 810 | {\r |
| | 811 | {\r |
| | 812 | NV_STORAGE_FVB_BLOCK_NUM,\r |
| | 813 | FV_BLOCK_SIZE,\r |
| | 814 | }\r |
| | 815 | }\r |
| | 816 | };\r |
| | 817 | \r |
| | 818 | STATIC EFI_FV_BLOCK_MAP_ENTRY BlockMapEntryEnd = {0, 0};\r |
| | 819 | \r |
| | 820 | EFI_PHYSICAL_ADDRESS StorageFvbBase;\r |
| | 821 | EFI_PHYSICAL_ADDRESS FtwFvbBase;\r |
| | 822 | \r |
| | 823 | UINT16 *Ptr;\r |
| | 824 | UINT16 Checksum;\r |
| | 825 | \r |
| | 826 | \r |
| | 827 | //\r |
| | 828 | // Use first 16-byte Reset Vector of FVB to store extra information\r |
| | 829 | // UINT32 Offset 0 stores the volume signature\r |
| | 830 | // UINT8 Offset 4 : should init the Variable Store Header if non-zero\r |
| | 831 | //\r |
| | 832 | gHob->NvStorageFvb.FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r |
| | 833 | gHob->NvStorage. FvbInfo.VolumeId = *(UINT32 *) (UINTN) (NV_STORAGE_STATE);\r |
| | 834 | \r |
| | 835 | //\r |
| | 836 | // *(NV_STORAGE_STATE + 4):\r |
| | 837 | // 2 - Size error\r |
| | 838 | // 1 - File not exist\r |
| | 839 | // 0 - File exist with correct size\r |
| | 840 | //\r |
| | 841 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) == 2) {\r |
| | 842 | ClearScreen ();\r |
| | 843 | PrintString ("Error: Size of Efivar.bin should be 16k!\n");\r |
| | 844 | CpuDeadLoop();\r |
| | 845 | }\r |
| | 846 | \r |
| | 847 | if (*(UINT8 *) (UINTN) (NV_STORAGE_STATE + 4) != 0) {\r |
| | 848 | //\r |
| | 849 | // Efivar.bin doesn't exist\r |
| | 850 | // 1. Init variable storage header to valid header\r |
| | 851 | //\r |
| | 852 | CopyMem (\r |
| | 853 | (VOID *) (UINTN) NV_STORAGE_START,\r |
| | 854 | &VarStoreHeader,\r |
| | 855 | sizeof (VARIABLE_STORE_HEADER)\r |
| | 856 | );\r |
| | 857 | //\r |
| | 858 | // 2. set all bits in variable storage body to 1\r |
| | 859 | //\r |
| | 860 | SetMem (\r |
| | 861 | (VOID *) (UINTN) (NV_STORAGE_START + sizeof (VARIABLE_STORE_HEADER)),\r |
| | 862 | NV_STORAGE_SIZE - sizeof (VARIABLE_STORE_HEADER),\r |
| | 863 | 0xff\r |
| | 864 | );\r |
| | 865 | }\r |
| | 866 | \r |
| | 867 | //\r |
| | 868 | // Relocate variable storage\r |
| | 869 | // \r |
| | 870 | // 1. Init FVB Header to valid header: First 0x48 bytes\r |
| | 871 | // In real platform, these fields are fixed by tools\r |
| | 872 | //\r |
| | 873 | //\r |
| | 874 | Checksum = 0;\r |
| | 875 | for (\r |
| | 876 | Ptr = (UINT16 *) &NvStorageFvbHeader; \r |
| | 877 | Ptr < (UINT16 *) ((UINTN) (UINT8 *) &NvStorageFvbHeader + sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r |
| | 878 | ++Ptr\r |
| | 879 | ) {\r |
| | 880 | Checksum = (UINT16) (Checksum + (*Ptr));\r |
| | 881 | }\r |
| | 882 | NvStorageFvbHeader.Checksum = (UINT16) (0x10000 - Checksum);\r |
| | 883 | StorageFvbBase = (EFI_PHYSICAL_ADDRESS)(((UINTN)NvStorageTop - NV_STORAGE_FVB_SIZE - NV_FTW_FVB_SIZE) & ~EFI_PAGE_MASK);\r |
| | 884 | CopyMem ((VOID *) (UINTN) StorageFvbBase, &NvStorageFvbHeader, sizeof (EFI_FIRMWARE_VOLUME_HEADER));\r |
| | 885 | CopyMem (\r |
| | 886 | (VOID *) (UINTN) (StorageFvbBase + sizeof (EFI_FIRMWARE_VOLUME_HEADER)),\r |
| | 887 | &BlockMapEntryEnd,\r |
| | 888 | sizeof (EFI_FV_BLOCK_MAP_ENTRY)\r |
| | 889 | );\r |
| | 890 | \r |
| | 891 | //\r |
| | 892 | // 2. Relocate variable data\r |
| | 893 | //\r |
| | 894 | CopyMem (\r |
| | 895 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH),\r |
| | 896 | (VOID *) (UINTN) NV_STORAGE_START,\r |
| | 897 | NV_STORAGE_SIZE\r |
| | 898 | );\r |
| | 899 | \r |
| | 900 | //\r |
| | 901 | // 3. Set the remaining memory to 0xff\r |
| | 902 | //\r |
| | 903 | SetMem (\r |
| | 904 | (VOID *) (UINTN) (StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_STORAGE_SIZE),\r |
| | 905 | NV_STORAGE_FVB_SIZE - NV_STORAGE_SIZE - EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH,\r |
| | 906 | 0xff\r |
| | 907 | );\r |
| | 908 | \r |
| | 909 | //\r |
| | 910 | // Create the FVB holding NV Storage in memory\r |
| | 911 | //\r |
| | 912 | gHob->NvStorageFvResource.PhysicalStart =\r |
| | 913 | gHob->NvStorageFvb.FvbInfo.Entries[0].Base = StorageFvbBase;\r |
| | 914 | //\r |
| | 915 | // Create the NV Storage Hob\r |
| | 916 | //\r |
| | 917 | gHob->NvStorage.FvbInfo.Entries[0].Base = StorageFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r |
| | 918 | \r |
| | 919 | //\r |
| | 920 | // Create the FVB holding FTW spaces\r |
| | 921 | //\r |
| | 922 | FtwFvbBase = (EFI_PHYSICAL_ADDRESS)((UINTN) StorageFvbBase + NV_STORAGE_FVB_SIZE);\r |
| | 923 | gHob->NvFtwFvResource.PhysicalStart =\r |
| | 924 | gHob->NvFtwFvb.FvbInfo.Entries[0].Base = FtwFvbBase;\r |
| | 925 | //\r |
| | 926 | // Put FTW Working in front\r |
| | 927 | //\r |
| | 928 | gHob->NvFtwWorking.FvbInfo.Entries[0].Base = FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH;\r |
| | 929 | \r |
| | 930 | //\r |
| | 931 | // Put FTW Spare area after FTW Working area\r |
| | 932 | //\r |
| | 933 | gHob->NvFtwSpare.FvbInfo.Entries[0].Base = \r |
| | 934 | (EFI_PHYSICAL_ADDRESS)((UINTN) FtwFvbBase + EFI_RUNTIME_UPDATABLE_FV_HEADER_LENGTH + NV_FTW_WORKING_SIZE);\r |
| | 935 | \r |
| | 936 | return (VOID *)(UINTN)StorageFvbBase;\r |
| | 937 | }\r |
| | 938 | \r |
| | 939 | VOID\r |
| | 940 | PrepareHobPhit (\r |
| | 941 | VOID *MemoryTop,\r |
| | 942 | VOID *FreeMemoryTop\r |
| | 943 | )\r |
| | 944 | {\r |
| | 945 | gHob->Phit.EfiMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryTop;\r |
| | 946 | gHob->Phit.EfiMemoryBottom = gHob->Phit.EfiMemoryTop - CONSUMED_MEMORY;\r |
| | 947 | gHob->Phit.EfiFreeMemoryTop = (EFI_PHYSICAL_ADDRESS)(UINTN)FreeMemoryTop;\r |
| | 948 | gHob->Phit.EfiFreeMemoryBottom = gHob->Phit.EfiMemoryBottom + sizeof(HOB_TEMPLATE);\r |
| | 949 | \r |
| | 950 | CopyMem ((VOID *)(UINTN)gHob->Phit.EfiMemoryBottom, gHob, sizeof(HOB_TEMPLATE));\r |
| | 951 | gHob = (HOB_TEMPLATE *)(UINTN)gHob->Phit.EfiMemoryBottom;\r |
| | 952 | \r |
| | 953 | gHob->Phit.EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)&gHob->EndOfHobList;\r |
| | 954 | }\r |
| | 955 | \r |
| | 956 | VOID\r |
| | 957 | PrepareHobCpu (\r |
| | 958 | VOID\r |
| | 959 | )\r |
| | 960 | {\r |
| | 961 | UINT32 CpuidEax;\r |
| | 962 | \r |
| | 963 | //\r |
| | 964 | // Create a CPU hand-off information\r |
| | 965 | //\r |
| | 966 | gHob->Cpu.SizeOfMemorySpace = 36;\r |
| | 967 | \r |
| | 968 | AsmCpuid (EFI_CPUID_EXTENDED_FUNCTION, &CpuidEax, NULL, NULL, NULL);\r |
| | 969 | if (CpuidEax >= CPUID_EXTENDED_ADD_SIZE) {\r |
| | 970 | AsmCpuid (CPUID_EXTENDED_ADD_SIZE, &CpuidEax, NULL, NULL, NULL);\r |
| | 971 | gHob->Cpu.SizeOfMemorySpace = (UINT8)(CpuidEax & 0xFF);\r |
| | 972 | }\r |
| | 973 | }\r |
| | 974 | \r |
| | 975 | VOID\r |
| | 976 | CompleteHobGeneration (\r |
| | 977 | VOID\r |
| | 978 | )\r |
| | 979 | {\r |
| | 980 | gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress = gHob->Phit.EfiFreeMemoryTop;\r |
| | 981 | //\r |
| | 982 | // Reserve all the memory under Stack above FreeMemoryTop as allocated\r |
| | 983 | //\r |
| | 984 | gHob->MemoryAllocation.AllocDescriptor.MemoryLength = gHob->Stack.AllocDescriptor.MemoryBaseAddress - gHob->Phit.EfiFreeMemoryTop;\r |
| | 985 | \r |
| | 986 | //\r |
| | 987 | // adjust Above1MB ResourceLength\r |
| | 988 | //\r |
| | 989 | if (gHob->MemoryAbove1MB.PhysicalStart + gHob->MemoryAbove1MB.ResourceLength > gHob->Phit.EfiMemoryTop) {\r |
| | 990 | gHob->MemoryAbove1MB.ResourceLength = gHob->Phit.EfiMemoryTop - gHob->MemoryAbove1MB.PhysicalStart;\r |
| | 991 | }\r |
| | 992 | }\r |
| | 993 | \r |
projects / mirror_edk2.git / blame_incremental