projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 03d486b2 JY |
1 | /** @file\r |
| 2 | UEFI PropertiesTable support\r | |
| 3 | \r | |
| 4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #include <PiDxe.h>\r | |
| 16 | #include <Library/BaseLib.h>\r | |
| 17 | #include <Library/BaseMemoryLib.h>\r | |
| 18 | #include <Library/MemoryAllocationLib.h>\r | |
| 19 | #include <Library/UefiBootServicesTableLib.h>\r | |
| 20 | #include <Library/DxeServicesTableLib.h>\r | |
| 21 | #include <Library/DebugLib.h>\r | |
| 22 | #include <Library/UefiLib.h>\r | |
| 23 | #include <Library/PcdLib.h>\r | |
| 24 | \r | |
| 25 | #include <Guid/EventGroup.h>\r | |
| 26 | #include <Protocol/DxeSmmReadyToLock.h>\r | |
| 27 | \r | |
| 28 | #include <Library/PeCoffLib.h>\r | |
| 29 | #include <Library/PeCoffGetEntryPointLib.h>\r | |
| 30 | #include <Protocol/Runtime.h>\r | |
| 31 | \r | |
| 32 | #include <Guid/PropertiesTable.h>\r | |
| 33 | \r | |
| 34 | #include "DxeMain.h"\r | |
| 35 | \r | |
| 36 | #define PREVIOUS_MEMORY_DESCRIPTOR(MemoryDescriptor, Size) \\r | |
| 37 | ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)(MemoryDescriptor) - (Size)))\r | |
| 38 | \r | |
| 39 | #define IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE SIGNATURE_32 ('I','P','R','C')\r | |
| 40 | \r | |
| 41 | typedef struct {\r | |
| 42 | UINT32 Signature;\r | |
| 43 | LIST_ENTRY Link;\r | |
| 44 | EFI_PHYSICAL_ADDRESS CodeSegmentBase;\r | |
| 45 | UINT64 CodeSegmentSize;\r | |
| 46 | } IMAGE_PROPERTIES_RECORD_CODE_SECTION;\r | |
| 47 | \r | |
| 48 | #define IMAGE_PROPERTIES_RECORD_SIGNATURE SIGNATURE_32 ('I','P','R','D')\r | |
| 49 | \r | |
| 50 | typedef struct {\r | |
| 51 | UINT32 Signature;\r | |
| 52 | LIST_ENTRY Link;\r | |
| 53 | EFI_PHYSICAL_ADDRESS ImageBase;\r | |
| 54 | UINT64 ImageSize;\r | |
| 55 | UINTN CodeSegmentCount;\r | |
| 56 | LIST_ENTRY CodeSegmentList;\r | |
| 57 | } IMAGE_PROPERTIES_RECORD;\r | |
| 58 | \r | |
| 59 | #define IMAGE_PROPERTIES_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('I','P','P','D')\r | |
| 60 | \r | |
| 61 | typedef struct {\r | |
| 62 | UINT32 Signature;\r | |
| 63 | UINTN ImageRecordCount;\r | |
| 64 | UINTN CodeSegmentCountMax;\r | |
| 65 | LIST_ENTRY ImageRecordList;\r | |
| 66 | } IMAGE_PROPERTIES_PRIVATE_DATA;\r | |
| 67 | \r | |
| 68 | IMAGE_PROPERTIES_PRIVATE_DATA mImagePropertiesPrivateData = {\r | |
| 69 | IMAGE_PROPERTIES_PRIVATE_DATA_SIGNATURE,\r | |
| 70 | 0,\r | |
| 71 | 0,\r | |
| 72 | INITIALIZE_LIST_HEAD_VARIABLE (mImagePropertiesPrivateData.ImageRecordList)\r | |
| 73 | };\r | |
| 74 | \r | |
| 75 | EFI_PROPERTIES_TABLE mPropertiesTable = {\r | |
| 76 | EFI_PROPERTIES_TABLE_VERSION,\r | |
| 77 | sizeof(EFI_PROPERTIES_TABLE),\r | |
| 78 | EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA\r | |
| 79 | };\r | |
| 80 | \r | |
| 81 | EFI_LOCK mPropertiesTableLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
| 82 | \r | |
| 83 | //\r | |
| 84 | // Below functions are for MemoryMap\r | |
| 85 | //\r | |
| 86 | \r | |
| 87 | /**\r | |
| 88 | Converts a number of EFI_PAGEs to a size in bytes.\r | |
| 89 | \r | |
| 90 | NOTE: Do not use EFI_PAGES_TO_SIZE because it handles UINTN only.\r | |
| 91 | \r | |
| 92 | @param Pages The number of EFI_PAGES.\r | |
| 93 | \r | |
| 94 | @return The number of bytes associated with the number of EFI_PAGEs specified\r | |
| 95 | by Pages.\r | |
| 96 | **/\r | |
| 97 | UINT64\r | |
| 98 | EfiPagesToSize (\r | |
| 99 | IN UINT64 Pages\r | |
| 100 | )\r | |
| 101 | {\r | |
| 102 | return LShiftU64 (Pages, EFI_PAGE_SHIFT);\r | |
| 103 | }\r | |
| 104 | \r | |
| 105 | /**\r | |
| 106 | Converts a size, in bytes, to a number of EFI_PAGESs.\r | |
| 107 | \r | |
| 108 | NOTE: Do not use EFI_SIZE_TO_PAGES because it handles UINTN only.\r | |
| 109 | \r | |
| 110 | @param Size A size in bytes.\r | |
| 111 | \r | |
| 112 | @return The number of EFI_PAGESs associated with the number of bytes specified\r | |
| 113 | by Size.\r | |
| 114 | \r | |
| 115 | **/\r | |
| 116 | UINT64\r | |
| 117 | EfiSizeToPages (\r | |
| 118 | IN UINT64 Size\r | |
| 119 | )\r | |
| 120 | {\r | |
| 121 | return RShiftU64 (Size, EFI_PAGE_SHIFT) + ((((UINTN)Size) & EFI_PAGE_MASK) ? 1 : 0);\r | |
| 122 | }\r | |
| 123 | \r | |
| 124 | /**\r | |
| 125 | Acquire memory lock on mPropertiesTableLock.\r | |
| 126 | **/\r | |
| 127 | VOID\r | |
| 128 | CoreAcquirePropertiesTableLock (\r | |
| 129 | VOID\r | |
| 130 | )\r | |
| 131 | {\r | |
| 132 | CoreAcquireLock (&mPropertiesTableLock);\r | |
| 133 | }\r | |
| 134 | \r | |
| 135 | /**\r | |
| 136 | Release memory lock on mPropertiesTableLock.\r | |
| 137 | **/\r | |
| 138 | VOID\r | |
| 139 | CoreReleasePropertiesTableLock (\r | |
| 140 | VOID\r | |
| 141 | )\r | |
| 142 | {\r | |
| 143 | CoreReleaseLock (&mPropertiesTableLock);\r | |
| 144 | }\r | |
| 145 | \r | |
| 146 | /**\r | |
| 147 | Dump memory map.\r | |
| 148 | \r | |
| 149 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 150 | the current memory map.\r | |
| 151 | @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r | |
| 152 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 153 | **/\r | |
| 154 | VOID\r | |
| 155 | DumpMemoryMap (\r | |
| 156 | IN EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 157 | IN UINTN MemoryMapSize,\r | |
| 158 | IN UINTN DescriptorSize\r | |
| 159 | )\r | |
| 160 | {\r | |
| 161 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
| 162 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
| 163 | UINT64 MemoryBlockLength;\r | |
| 164 | \r | |
| 165 | DEBUG ((EFI_D_VERBOSE, " MemoryMap:\n"));\r | |
| 166 | MemoryMapEntry = MemoryMap;\r | |
| 167 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r | |
| 168 | while (MemoryMapEntry < MemoryMapEnd) {\r | |
| 169 | MemoryBlockLength = (UINT64) (EfiPagesToSize (MemoryMapEntry->NumberOfPages));\r | |
| 170 | DEBUG ((EFI_D_VERBOSE, " Entry(0x%02x) 0x%016lx - 0x%016lx (0x%016lx)\n", MemoryMapEntry->Type, MemoryMapEntry->PhysicalStart, MemoryMapEntry->PhysicalStart + MemoryBlockLength, MemoryMapEntry->Attribute));\r | |
| 171 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 172 | }\r | |
| 173 | }\r | |
| 174 | \r | |
| 175 | /**\r | |
| 176 | Sort memory map entries based upon PhysicalStart, from low to high.\r | |
| 177 | \r | |
| 178 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 179 | the current memory map.\r | |
| 180 | @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r | |
| 181 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 182 | **/\r | |
| 183 | VOID\r | |
| 184 | SortMemoryMap (\r | |
| 185 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 186 | IN UINTN MemoryMapSize,\r | |
| 187 | IN UINTN DescriptorSize\r | |
| 188 | )\r | |
| 189 | {\r | |
| 190 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
| 191 | EFI_MEMORY_DESCRIPTOR *NextMemoryMapEntry;\r | |
| 192 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
| 193 | EFI_MEMORY_DESCRIPTOR TempMemoryMap;\r | |
| 194 | \r | |
| 195 | MemoryMapEntry = MemoryMap;\r | |
| 196 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 197 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r | |
| 198 | while (MemoryMapEntry < MemoryMapEnd) {\r | |
| 199 | while (NextMemoryMapEntry < MemoryMapEnd) {\r | |
| 200 | if (MemoryMapEntry->PhysicalStart > NextMemoryMapEntry->PhysicalStart) {\r | |
| 201 | CopyMem (&TempMemoryMap, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 202 | CopyMem (MemoryMapEntry, NextMemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 203 | CopyMem (NextMemoryMapEntry, &TempMemoryMap, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 204 | }\r | |
| 205 | \r | |
| 206 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (NextMemoryMapEntry, DescriptorSize);\r | |
| 207 | }\r | |
| 208 | \r | |
| 209 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 210 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 211 | }\r | |
| 212 | \r | |
| 213 | return ;\r | |
| 214 | }\r | |
| 215 | \r | |
| 216 | /**\r | |
| 217 | Merge continous memory map entries whose have same attributes.\r | |
| 218 | \r | |
| 219 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 220 | the current memory map.\r | |
| 221 | @param MemoryMapSize A pointer to the size, in bytes, of the\r | |
| 222 | MemoryMap buffer. On input, this is the size of\r | |
| 223 | the current memory map. On output,\r | |
| 224 | it is the size of new memory map after merge.\r | |
| 225 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 226 | **/\r | |
| 227 | VOID\r | |
| 228 | MergeMemoryMap (\r | |
| 229 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 230 | IN OUT UINTN *MemoryMapSize,\r | |
| 231 | IN UINTN DescriptorSize\r | |
| 232 | )\r | |
| 233 | {\r | |
| 234 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
| 235 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
| 236 | UINT64 MemoryBlockLength;\r | |
| 237 | EFI_MEMORY_DESCRIPTOR *NewMemoryMapEntry;\r | |
| 238 | EFI_MEMORY_DESCRIPTOR *NextMemoryMapEntry;\r | |
| 239 | \r | |
| 240 | MemoryMapEntry = MemoryMap;\r | |
| 241 | NewMemoryMapEntry = MemoryMap;\r | |
| 242 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + *MemoryMapSize);\r | |
| 243 | while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r | |
| 244 | CopyMem (NewMemoryMapEntry, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 245 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 246 | \r | |
| 247 | MemoryBlockLength = (UINT64) (EfiPagesToSize (MemoryMapEntry->NumberOfPages));\r | |
| 248 | if (((UINTN)NextMemoryMapEntry < (UINTN)MemoryMapEnd) &&\r | |
| 249 | (MemoryMapEntry->Type == NextMemoryMapEntry->Type) &&\r | |
| 250 | (MemoryMapEntry->Attribute == NextMemoryMapEntry->Attribute) &&\r | |
| 251 | ((MemoryMapEntry->PhysicalStart + MemoryBlockLength) == NextMemoryMapEntry->PhysicalStart)) {\r | |
| 252 | NewMemoryMapEntry->NumberOfPages += NextMemoryMapEntry->NumberOfPages;\r | |
| 253 | MemoryMapEntry = NextMemoryMapEntry;\r | |
| 254 | }\r | |
| 255 | \r | |
| 256 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 257 | NewMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (NewMemoryMapEntry, DescriptorSize);\r | |
| 258 | }\r | |
| 259 | \r | |
| 260 | *MemoryMapSize = (UINTN)NewMemoryMapEntry - (UINTN)MemoryMap;\r | |
| 261 | \r | |
| 262 | return ;\r | |
| 263 | }\r | |
| 264 | \r | |
| 265 | /**\r | |
| 266 | Enforce memory map attributes.\r | |
| 267 | This function will set EfiRuntimeServicesData/EfiMemoryMappedIO/EfiMemoryMappedIOPortSpace to be EFI_MEMORY_XP.\r | |
| 268 | \r | |
| 269 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 270 | the current memory map.\r | |
| 271 | @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r | |
| 272 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 273 | **/\r | |
| 274 | VOID\r | |
| 275 | EnforceMemoryMapAttribute (\r | |
| 276 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 277 | IN UINTN MemoryMapSize,\r | |
| 278 | IN UINTN DescriptorSize\r | |
| 279 | )\r | |
| 280 | {\r | |
| 281 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
| 282 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
| 283 | \r | |
| 284 | MemoryMapEntry = MemoryMap;\r | |
| 285 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r | |
| 286 | while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r | |
| 287 | switch (MemoryMapEntry->Type) {\r | |
| 288 | case EfiRuntimeServicesCode:\r | |
| 289 | // do nothing\r | |
| 290 | break;\r | |
| 291 | case EfiRuntimeServicesData:\r | |
| 292 | case EfiMemoryMappedIO:\r | |
| 293 | case EfiMemoryMappedIOPortSpace:\r | |
| 294 | MemoryMapEntry->Attribute |= EFI_MEMORY_XP;\r | |
| 295 | break;\r | |
| 296 | case EfiReservedMemoryType:\r | |
| 297 | case EfiACPIMemoryNVS:\r | |
| 298 | break;\r | |
| 299 | }\r | |
| 300 | \r | |
| 301 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 302 | }\r | |
| 303 | \r | |
| 304 | return ;\r | |
| 305 | }\r | |
| 306 | \r | |
| 307 | /**\r | |
| 308 | Sort memory map entries whose type is EfiRuntimeServicesCode/EfiRuntimeServicesData,\r | |
| 309 | from high to low.\r | |
| 310 | This function assumes memory map is already from low to high, so it just reverts them.\r | |
| 311 | \r | |
| 312 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 313 | the current memory map.\r | |
| 314 | @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r | |
| 315 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 316 | **/\r | |
| 317 | VOID\r | |
| 318 | RevertRuntimeMemoryMap (\r | |
| 319 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 320 | IN UINTN MemoryMapSize,\r | |
| 321 | IN UINTN DescriptorSize\r | |
| 322 | )\r | |
| 323 | {\r | |
| 324 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
| 325 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
| 326 | EFI_MEMORY_DESCRIPTOR TempMemoryMap;\r | |
| 327 | \r | |
| 328 | EFI_MEMORY_DESCRIPTOR *RuntimeMapEntryBegin;\r | |
| 329 | EFI_MEMORY_DESCRIPTOR *RuntimeMapEntryEnd;\r | |
| 330 | \r | |
| 331 | MemoryMapEntry = MemoryMap;\r | |
| 332 | RuntimeMapEntryBegin = NULL;\r | |
| 333 | RuntimeMapEntryEnd = NULL;\r | |
| 334 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r | |
| 335 | while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r | |
| 336 | if ((MemoryMapEntry->Type == EfiRuntimeServicesCode) ||\r | |
| 337 | (MemoryMapEntry->Type == EfiRuntimeServicesData)) {\r | |
| 338 | if (RuntimeMapEntryBegin == NULL) {\r | |
| 339 | RuntimeMapEntryBegin = MemoryMapEntry;\r | |
| 340 | }\r | |
| 341 | RuntimeMapEntryEnd = MemoryMapEntry;\r | |
| 342 | }\r | |
| 343 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 344 | }\r | |
| 345 | \r | |
| 346 | MemoryMapEntry = RuntimeMapEntryBegin;\r | |
| 347 | MemoryMapEnd = RuntimeMapEntryEnd;\r | |
| 348 | while (MemoryMapEntry < MemoryMapEnd) {\r | |
| 349 | CopyMem (&TempMemoryMap, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 350 | CopyMem (MemoryMapEntry, MemoryMapEnd, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 351 | CopyMem (MemoryMapEnd, &TempMemoryMap, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 352 | \r | |
| 353 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
| 354 | MemoryMapEnd = PREVIOUS_MEMORY_DESCRIPTOR (MemoryMapEnd, DescriptorSize);\r | |
| 355 | }\r | |
| 356 | \r | |
| 357 | return ;\r | |
| 358 | }\r | |
| 359 | \r | |
| 360 | /**\r | |
| 361 | Return the first image record, whose [ImageBase, ImageSize] covered by [Buffer, Length].\r | |
| 362 | \r | |
| 363 | @param Buffer Start Address\r | |
| 364 | @param Length Address length\r | |
| 365 | \r | |
| 366 | @return first image record covered by [buffer, length]\r | |
| 367 | **/\r | |
| 368 | IMAGE_PROPERTIES_RECORD *\r | |
| 369 | GetImageRecordByAddress (\r | |
| 370 | IN EFI_PHYSICAL_ADDRESS Buffer,\r | |
| 371 | IN UINT64 Length\r | |
| 372 | )\r | |
| 373 | {\r | |
| 374 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 375 | LIST_ENTRY *ImageRecordLink;\r | |
| 376 | LIST_ENTRY *ImageRecordList;\r | |
| 377 | \r | |
| 378 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
| 379 | \r | |
| 380 | for (ImageRecordLink = ImageRecordList->ForwardLink;\r | |
| 381 | ImageRecordLink != ImageRecordList;\r | |
| 382 | ImageRecordLink = ImageRecordLink->ForwardLink) {\r | |
| 383 | ImageRecord = CR (\r | |
| 384 | ImageRecordLink,\r | |
| 385 | IMAGE_PROPERTIES_RECORD,\r | |
| 386 | Link,\r | |
| 387 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
| 388 | );\r | |
| 389 | \r | |
| 390 | if ((Buffer <= ImageRecord->ImageBase) &&\r | |
| 391 | (Buffer + Length >= ImageRecord->ImageBase + ImageRecord->ImageSize)) {\r | |
| 392 | return ImageRecord;\r | |
| 393 | }\r | |
| 394 | }\r | |
| 395 | \r | |
| 396 | return NULL;\r | |
| 397 | }\r | |
| 398 | \r | |
| 399 | /**\r | |
| 400 | Set the memory map to new entries, according to one old entry,\r | |
| 401 | based upon PE code section and data section in image record\r | |
| 402 | \r | |
| 403 | @param ImageRecord An image record whose [ImageBase, ImageSize] covered\r | |
| 404 | by old memory map entry.\r | |
| 405 | @param NewRecord A pointer to several new memory map entries.\r | |
| 406 | The caller gurantee the buffer size be 1 +\r | |
| 407 | (SplitRecordCount * DescriptorSize) calculated\r | |
| 408 | below.\r | |
| 409 | @param OldRecord A pointer to one old memory map entry.\r | |
| 410 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 411 | **/\r | |
| 412 | UINTN\r | |
| 413 | SetNewRecord (\r | |
| 414 | IN IMAGE_PROPERTIES_RECORD *ImageRecord,\r | |
| 415 | IN OUT EFI_MEMORY_DESCRIPTOR *NewRecord,\r | |
| 416 | IN EFI_MEMORY_DESCRIPTOR *OldRecord,\r | |
| 417 | IN UINTN DescriptorSize\r | |
| 418 | )\r | |
| 419 | {\r | |
| 420 | EFI_MEMORY_DESCRIPTOR TempRecord;\r | |
| 421 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
| 422 | LIST_ENTRY *ImageRecordCodeSectionLink;\r | |
| 423 | LIST_ENTRY *ImageRecordCodeSectionEndLink;\r | |
| 424 | LIST_ENTRY *ImageRecordCodeSectionList;\r | |
| 425 | UINTN NewRecordCount;\r | |
| 426 | UINT64 PhysicalEnd;\r | |
| 427 | UINT64 ImageEnd;\r | |
| 428 | \r | |
| 429 | CopyMem (&TempRecord, OldRecord, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 430 | PhysicalEnd = TempRecord.PhysicalStart + EfiPagesToSize(TempRecord.NumberOfPages);\r | |
| 431 | NewRecordCount = 0;\r | |
| 432 | \r | |
| 433 | ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r | |
| 434 | \r | |
| 435 | ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r | |
| 436 | ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r | |
| 437 | while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
| 438 | ImageRecordCodeSection = CR (\r | |
| 439 | ImageRecordCodeSectionLink,\r | |
| 440 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
| 441 | Link,\r | |
| 442 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
| 443 | );\r | |
| 444 | ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
| 445 | \r | |
| 446 | if (TempRecord.PhysicalStart <= ImageRecordCodeSection->CodeSegmentBase) {\r | |
| 447 | //\r | |
| 448 | // DATA\r | |
| 449 | //\r | |
| 450 | NewRecord->Type = EfiRuntimeServicesData;\r | |
| 451 | NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r | |
| 452 | NewRecord->VirtualStart = 0;\r | |
| 453 | NewRecord->NumberOfPages = EfiSizeToPages(ImageRecordCodeSection->CodeSegmentBase - NewRecord->PhysicalStart);\r | |
| 454 | NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r | |
| 455 | if (NewRecord->NumberOfPages != 0) {\r | |
| 456 | NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
| 457 | NewRecordCount ++;\r | |
| 458 | }\r | |
| 459 | \r | |
| 460 | //\r | |
| 461 | // CODE\r | |
| 462 | //\r | |
| 463 | NewRecord->Type = EfiRuntimeServicesCode;\r | |
| 464 | NewRecord->PhysicalStart = ImageRecordCodeSection->CodeSegmentBase;\r | |
| 465 | NewRecord->VirtualStart = 0;\r | |
| 466 | NewRecord->NumberOfPages = EfiSizeToPages(ImageRecordCodeSection->CodeSegmentSize);\r | |
| 467 | NewRecord->Attribute = (TempRecord.Attribute & (~EFI_MEMORY_XP)) | EFI_MEMORY_RO;\r | |
| 468 | if (NewRecord->NumberOfPages != 0) {\r | |
| 469 | NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
| 470 | NewRecordCount ++;\r | |
| 471 | }\r | |
| 472 | \r | |
| 473 | TempRecord.PhysicalStart = ImageRecordCodeSection->CodeSegmentBase + EfiPagesToSize (EfiSizeToPages(ImageRecordCodeSection->CodeSegmentSize));\r | |
| 474 | TempRecord.NumberOfPages = EfiSizeToPages(PhysicalEnd - TempRecord.PhysicalStart);\r | |
| 475 | if (TempRecord.NumberOfPages == 0) {\r | |
| 476 | break;\r | |
| 477 | }\r | |
| 478 | }\r | |
| 479 | }\r | |
| 480 | \r | |
| 481 | ImageEnd = ImageRecord->ImageBase + ImageRecord->ImageSize;\r | |
| 482 | \r | |
| 483 | //\r | |
| 484 | // Final DATA\r | |
| 485 | //\r | |
| 486 | if (TempRecord.PhysicalStart < ImageEnd) {\r | |
| 487 | NewRecord->Type = EfiRuntimeServicesData;\r | |
| 488 | NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r | |
| 489 | NewRecord->VirtualStart = 0;\r | |
| 490 | NewRecord->NumberOfPages = EfiSizeToPages (ImageEnd - TempRecord.PhysicalStart);\r | |
| 491 | NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r | |
| 492 | NewRecordCount ++;\r | |
| 493 | }\r | |
| 494 | \r | |
| 495 | return NewRecordCount;\r | |
| 496 | }\r | |
| 497 | \r | |
| 498 | /**\r | |
| 499 | Return the max number of new splitted entries, according to one old entry,\r | |
| 500 | based upon PE code section and data section.\r | |
| 501 | \r | |
| 502 | @param OldRecord A pointer to one old memory map entry.\r | |
| 503 | \r | |
| 504 | @retval 0 no entry need to be splitted.\r | |
| 505 | @return the max number of new splitted entries\r | |
| 506 | **/\r | |
| 507 | UINTN\r | |
| 508 | GetMaxSplitRecordCount (\r | |
| 509 | IN EFI_MEMORY_DESCRIPTOR *OldRecord\r | |
| 510 | )\r | |
| 511 | {\r | |
| 512 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 513 | UINTN SplitRecordCount;\r | |
| 514 | UINT64 PhysicalStart;\r | |
| 515 | UINT64 PhysicalEnd;\r | |
| 516 | \r | |
| 517 | SplitRecordCount = 0;\r | |
| 518 | PhysicalStart = OldRecord->PhysicalStart;\r | |
| 519 | PhysicalEnd = OldRecord->PhysicalStart + EfiPagesToSize(OldRecord->NumberOfPages);\r | |
| 520 | \r | |
| 521 | do {\r | |
| 522 | ImageRecord = GetImageRecordByAddress (PhysicalStart, PhysicalEnd - PhysicalStart);\r | |
| 523 | if (ImageRecord == NULL) {\r | |
| 524 | break;\r | |
| 525 | }\r | |
| 526 | SplitRecordCount += (2 * ImageRecord->CodeSegmentCount + 1);\r | |
| 527 | PhysicalStart = ImageRecord->ImageBase + ImageRecord->ImageSize;\r | |
| 528 | } while ((ImageRecord != NULL) && (PhysicalStart < PhysicalEnd));\r | |
| 529 | \r | |
| 530 | if (SplitRecordCount != 0) {\r | |
| 531 | SplitRecordCount--;\r | |
| 532 | }\r | |
| 533 | \r | |
| 534 | return SplitRecordCount;\r | |
| 535 | }\r | |
| 536 | \r | |
| 537 | /**\r | |
| 538 | Split the memory map to new entries, according to one old entry,\r | |
| 539 | based upon PE code section and data section.\r | |
| 540 | \r | |
| 541 | @param OldRecord A pointer to one old memory map entry.\r | |
| 542 | @param NewRecord A pointer to several new memory map entries.\r | |
| 543 | The caller gurantee the buffer size be 1 +\r | |
| 544 | (SplitRecordCount * DescriptorSize) calculated\r | |
| 545 | below.\r | |
| 546 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 547 | \r | |
| 548 | @retval 0 no entry is splitted.\r | |
| 549 | @return the real number of splitted record.\r | |
| 550 | **/\r | |
| 551 | UINTN\r | |
| 552 | SplitRecord (\r | |
| 553 | IN EFI_MEMORY_DESCRIPTOR *OldRecord,\r | |
| 554 | IN OUT EFI_MEMORY_DESCRIPTOR *NewRecord,\r | |
| 555 | IN UINTN MaxSplitRecordCount,\r | |
| 556 | IN UINTN DescriptorSize\r | |
| 557 | )\r | |
| 558 | {\r | |
| 559 | EFI_MEMORY_DESCRIPTOR TempRecord;\r | |
| 560 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 561 | IMAGE_PROPERTIES_RECORD *NewImageRecord;\r | |
| 562 | UINT64 PhysicalStart;\r | |
| 563 | UINT64 PhysicalEnd;\r | |
| 564 | UINTN NewRecordCount;\r | |
| 565 | UINTN TotalNewRecordCount;\r | |
| 566 | \r | |
| 567 | if (MaxSplitRecordCount == 0) {\r | |
| 568 | CopyMem (NewRecord, OldRecord, DescriptorSize);\r | |
| 569 | return 0;\r | |
| 570 | }\r | |
| 571 | \r | |
| 572 | TotalNewRecordCount = 0;\r | |
| 573 | \r | |
| 574 | //\r | |
| 575 | // Override previous record\r | |
| 576 | //\r | |
| 577 | CopyMem (&TempRecord, OldRecord, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
| 578 | PhysicalStart = TempRecord.PhysicalStart;\r | |
| 579 | PhysicalEnd = TempRecord.PhysicalStart + EfiPagesToSize(TempRecord.NumberOfPages);\r | |
| 580 | \r | |
| 581 | ImageRecord = NULL;\r | |
| 582 | do {\r | |
| 583 | NewImageRecord = GetImageRecordByAddress (PhysicalStart, PhysicalEnd - PhysicalStart);\r | |
| 584 | if (NewImageRecord == NULL) {\r | |
| 585 | //\r | |
| 586 | // No more image covered by this range, stop\r | |
| 587 | //\r | |
| 588 | if ((PhysicalEnd > PhysicalStart) && (ImageRecord != NULL)) {\r | |
| 589 | //\r | |
| 590 | // If this is still address in this record, need record.\r | |
| 591 | //\r | |
| 592 | NewRecord = PREVIOUS_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
| 593 | if (NewRecord->Type == EfiRuntimeServicesData) {\r | |
| 594 | //\r | |
| 595 | // Last record is DATA, just merge it.\r | |
| 596 | //\r | |
| 597 | NewRecord->NumberOfPages = EfiSizeToPages(PhysicalEnd - NewRecord->PhysicalStart);\r | |
| 598 | } else {\r | |
| 599 | //\r | |
| 600 | // Last record is CODE, create a new DATA entry.\r | |
| 601 | //\r | |
| 602 | NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
| 603 | NewRecord->Type = EfiRuntimeServicesData;\r | |
| 604 | NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r | |
| 605 | NewRecord->VirtualStart = 0;\r | |
| 606 | NewRecord->NumberOfPages = TempRecord.NumberOfPages;\r | |
| 607 | NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r | |
| 608 | TotalNewRecordCount ++;\r | |
| 609 | }\r | |
| 610 | }\r | |
| 611 | break;\r | |
| 612 | }\r | |
| 613 | ImageRecord = NewImageRecord;\r | |
| 614 | \r | |
| 615 | //\r | |
| 616 | // Set new record\r | |
| 617 | //\r | |
| 618 | NewRecordCount = SetNewRecord (ImageRecord, NewRecord, &TempRecord, DescriptorSize);\r | |
| 619 | TotalNewRecordCount += NewRecordCount;\r | |
| 620 | NewRecord = (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)NewRecord + NewRecordCount * DescriptorSize);\r | |
| 621 | \r | |
| 622 | //\r | |
| 623 | // Update PhysicalStart, in order to exclude the image buffer already splitted.\r | |
| 624 | //\r | |
| 625 | PhysicalStart = ImageRecord->ImageBase + ImageRecord->ImageSize;\r | |
| 626 | TempRecord.PhysicalStart = PhysicalStart;\r | |
| 627 | TempRecord.NumberOfPages = EfiSizeToPages (PhysicalEnd - PhysicalStart);\r | |
| 628 | } while ((ImageRecord != NULL) && (PhysicalStart < PhysicalEnd));\r | |
| 629 | \r | |
| 630 | return TotalNewRecordCount - 1;\r | |
| 631 | }\r | |
| 632 | \r | |
| 633 | /**\r | |
| 634 | Split the original memory map, and add more entries to describe PE code section and data section.\r | |
| 635 | This function will set EfiRuntimeServicesData to be EFI_MEMORY_XP.\r | |
| 636 | This function will merge entries with same attributes finally.\r | |
| 637 | \r | |
| 638 | NOTE: It assumes PE code/data section are page aligned.\r | |
| 639 | NOTE: It assumes enough entry is prepared for new memory map.\r | |
| 640 | \r | |
| 641 | Split table:\r | |
| 642 | +---------------+\r | |
| 643 | | Record X |\r | |
| 644 | +---------------+\r | |
| 645 | | Record RtCode |\r | |
| 646 | +---------------+\r | |
| 647 | | Record Y |\r | |
| 648 | +---------------+\r | |
| 649 | ==>\r | |
| 650 | +---------------+\r | |
| 651 | | Record X |\r | |
| 652 | +---------------+ ----\r | |
| 653 | | Record RtData | |\r | |
| 654 | +---------------+ |\r | |
| 655 | | Record RtCode | |-> PE/COFF1\r | |
| 656 | +---------------+ |\r | |
| 657 | | Record RtData | |\r | |
| 658 | +---------------+ ----\r | |
| 659 | | Record RtData | |\r | |
| 660 | +---------------+ |\r | |
| 661 | | Record RtCode | |-> PE/COFF2\r | |
| 662 | +---------------+ |\r | |
| 663 | | Record RtData | |\r | |
| 664 | +---------------+ ----\r | |
| 665 | | Record Y |\r | |
| 666 | +---------------+\r | |
| 667 | \r | |
| 668 | @param MemoryMapSize A pointer to the size, in bytes, of the\r | |
| 669 | MemoryMap buffer. On input, this is the size of\r | |
| 670 | old MemoryMap before split. The actual buffer\r | |
| 671 | size of MemoryMap is MemoryMapSize +\r | |
| 672 | (AdditionalRecordCount * DescriptorSize) calculated\r | |
| 673 | below. On output, it is the size of new MemoryMap\r | |
| 674 | after split.\r | |
| 675 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 676 | the current memory map.\r | |
| 677 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
| 678 | **/\r | |
| 679 | VOID\r | |
| 680 | SplitTable (\r | |
| 681 | IN OUT UINTN *MemoryMapSize,\r | |
| 682 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 683 | IN UINTN DescriptorSize\r | |
| 684 | )\r | |
| 685 | {\r | |
| 686 | INTN IndexOld;\r | |
| 687 | INTN IndexNew;\r | |
| 688 | UINTN MaxSplitRecordCount;\r | |
| 689 | UINTN RealSplitRecordCount;\r | |
| 690 | UINTN TotalSplitRecordCount;\r | |
| 691 | UINTN AdditionalRecordCount;\r | |
| 692 | \r | |
| 693 | AdditionalRecordCount = (2 * mImagePropertiesPrivateData.CodeSegmentCountMax + 1) * mImagePropertiesPrivateData.ImageRecordCount;\r | |
| 694 | \r | |
| 695 | TotalSplitRecordCount = 0;\r | |
| 696 | //\r | |
| 697 | // Let old record point to end of valid MemoryMap buffer.\r | |
| 698 | //\r | |
| 699 | IndexOld = ((*MemoryMapSize) / DescriptorSize) - 1;\r | |
| 700 | //\r | |
| 701 | // Let new record point to end of full MemoryMap buffer.\r | |
| 702 | //\r | |
| 703 | IndexNew = ((*MemoryMapSize) / DescriptorSize) - 1 + AdditionalRecordCount;\r | |
| 704 | for (; IndexOld >= 0; IndexOld--) {\r | |
| 705 | MaxSplitRecordCount = GetMaxSplitRecordCount ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexOld * DescriptorSize));\r | |
| 706 | //\r | |
| 707 | // Split this MemoryMap record\r | |
| 708 | //\r | |
| 709 | IndexNew -= MaxSplitRecordCount;\r | |
| 710 | RealSplitRecordCount = SplitRecord (\r | |
| 711 | (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexOld * DescriptorSize),\r | |
| 712 | (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexNew * DescriptorSize),\r | |
| 713 | MaxSplitRecordCount,\r | |
| 714 | DescriptorSize\r | |
| 715 | );\r | |
| 716 | //\r | |
| 717 | // Adjust IndexNew according to real split.\r | |
| 718 | //\r | |
| 719 | CopyMem (\r | |
| 720 | ((UINT8 *)MemoryMap + (IndexNew + MaxSplitRecordCount - RealSplitRecordCount) * DescriptorSize),\r | |
| 721 | ((UINT8 *)MemoryMap + IndexNew * DescriptorSize),\r | |
| 722 | RealSplitRecordCount * DescriptorSize\r | |
| 723 | );\r | |
| 724 | IndexNew = IndexNew + MaxSplitRecordCount - RealSplitRecordCount;\r | |
| 725 | TotalSplitRecordCount += RealSplitRecordCount;\r | |
| 726 | IndexNew --;\r | |
| 727 | }\r | |
| 728 | //\r | |
| 729 | // Move all records to the beginning.\r | |
| 730 | //\r | |
| 731 | CopyMem (\r | |
| 732 | MemoryMap,\r | |
| 733 | (UINT8 *)MemoryMap + (AdditionalRecordCount - TotalSplitRecordCount) * DescriptorSize,\r | |
| 734 | (*MemoryMapSize) + TotalSplitRecordCount * DescriptorSize\r | |
| 735 | );\r | |
| 736 | \r | |
| 737 | *MemoryMapSize = (*MemoryMapSize) + DescriptorSize * TotalSplitRecordCount;\r | |
| 738 | \r | |
| 739 | //\r | |
| 740 | // Sort from low to high (Just in case)\r | |
| 741 | //\r | |
| 742 | SortMemoryMap (MemoryMap, *MemoryMapSize, DescriptorSize);\r | |
| 743 | \r | |
| 744 | //\r | |
| 745 | // Set RuntimeData to XP\r | |
| 746 | //\r | |
| 747 | EnforceMemoryMapAttribute (MemoryMap, *MemoryMapSize, DescriptorSize);\r | |
| 748 | \r | |
| 749 | //\r | |
| 750 | // Merge same type to save entry size\r | |
| 751 | //\r | |
| 752 | MergeMemoryMap (MemoryMap, MemoryMapSize, DescriptorSize);\r | |
| 753 | \r | |
| 754 | return ;\r | |
| 755 | }\r | |
| 756 | \r | |
| 757 | /**\r | |
| 758 | This function for GetMemoryMap() with properties table.\r | |
| 759 | \r | |
| 760 | It calls original GetMemoryMap() to get the original memory map information. Then\r | |
| 761 | plus the additional memory map entries for PE Code/Data seperation.\r | |
| 762 | \r | |
| 763 | @param MemoryMapSize A pointer to the size, in bytes, of the\r | |
| 764 | MemoryMap buffer. On input, this is the size of\r | |
| 765 | the buffer allocated by the caller. On output,\r | |
| 766 | it is the size of the buffer returned by the\r | |
| 767 | firmware if the buffer was large enough, or the\r | |
| 768 | size of the buffer needed to contain the map if\r | |
| 769 | the buffer was too small.\r | |
| 770 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
| 771 | the current memory map.\r | |
| 772 | @param MapKey A pointer to the location in which firmware\r | |
| 773 | returns the key for the current memory map.\r | |
| 774 | @param DescriptorSize A pointer to the location in which firmware\r | |
| 775 | returns the size, in bytes, of an individual\r | |
| 776 | EFI_MEMORY_DESCRIPTOR.\r | |
| 777 | @param DescriptorVersion A pointer to the location in which firmware\r | |
| 778 | returns the version number associated with the\r | |
| 779 | EFI_MEMORY_DESCRIPTOR.\r | |
| 780 | \r | |
| 781 | @retval EFI_SUCCESS The memory map was returned in the MemoryMap\r | |
| 782 | buffer.\r | |
| 783 | @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current\r | |
| 784 | buffer size needed to hold the memory map is\r | |
| 785 | returned in MemoryMapSize.\r | |
| 786 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
| 787 | \r | |
| 788 | **/\r | |
| 789 | EFI_STATUS\r | |
| 790 | EFIAPI\r | |
| 791 | CoreGetMemoryMapPropertiesTable (\r | |
| 792 | IN OUT UINTN *MemoryMapSize,\r | |
| 793 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
| 794 | OUT UINTN *MapKey,\r | |
| 795 | OUT UINTN *DescriptorSize,\r | |
| 796 | OUT UINT32 *DescriptorVersion\r | |
| 797 | )\r | |
| 798 | {\r | |
| 799 | EFI_STATUS Status;\r | |
| 800 | UINTN OldMemoryMapSize;\r | |
| 801 | UINTN AdditionalRecordCount;\r | |
| 802 | \r | |
| 803 | //\r | |
| 804 | // If PE code/data is not aligned, just return.\r | |
| 805 | //\r | |
| 806 | if ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) == 0) {\r | |
| 807 | return CoreGetMemoryMap (MemoryMapSize, MemoryMap, MapKey, DescriptorSize, DescriptorVersion);\r | |
| 808 | }\r | |
| 809 | \r | |
| 810 | if (MemoryMapSize == NULL) {\r | |
| 811 | return EFI_INVALID_PARAMETER;\r | |
| 812 | }\r | |
| 813 | \r | |
| 814 | CoreAcquirePropertiesTableLock ();\r | |
| 815 | \r | |
| 816 | AdditionalRecordCount = (2 * mImagePropertiesPrivateData.CodeSegmentCountMax + 1) * mImagePropertiesPrivateData.ImageRecordCount;\r | |
| 817 | \r | |
| 818 | OldMemoryMapSize = *MemoryMapSize;\r | |
| 819 | Status = CoreGetMemoryMap (MemoryMapSize, MemoryMap, MapKey, DescriptorSize, DescriptorVersion);\r | |
| 820 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
| 821 | *MemoryMapSize = *MemoryMapSize + (*DescriptorSize) * AdditionalRecordCount;\r | |
| 822 | } else if (Status == EFI_SUCCESS) {\r | |
| 823 | if (OldMemoryMapSize - *MemoryMapSize < (*DescriptorSize) * AdditionalRecordCount) {\r | |
| 824 | *MemoryMapSize = *MemoryMapSize + (*DescriptorSize) * AdditionalRecordCount;\r | |
| 825 | //\r | |
| 826 | // Need update status to buffer too small\r | |
| 827 | //\r | |
| 828 | Status = EFI_BUFFER_TOO_SMALL;\r | |
| 829 | } else {\r | |
| 830 | //\r | |
| 831 | // Split PE code/data\r | |
| 832 | //\r | |
| 833 | SplitTable (MemoryMapSize, MemoryMap, *DescriptorSize);\r | |
| 834 | }\r | |
| 835 | }\r | |
| 836 | \r | |
| 837 | CoreReleasePropertiesTableLock ();\r | |
| 838 | return Status;\r | |
| 839 | }\r | |
| 840 | \r | |
| 841 | //\r | |
| 842 | // Below functions are for ImageRecord\r | |
| 843 | //\r | |
| 844 | \r | |
| 845 | /**\r | |
| 846 | Set PropertiesTable accroding to PE/COFF image section alignment.\r | |
| 847 | \r | |
| 848 | @param SectionAlignment PE/COFF section alignment\r | |
| 849 | **/\r | |
| 850 | VOID\r | |
| 851 | SetPropertiesTableSectionAlignment (\r | |
| 852 | IN UINT32 SectionAlignment\r | |
| 853 | )\r | |
| 854 | {\r | |
| 855 | if (((SectionAlignment & (SIZE_4KB - 1)) != 0) &&\r | |
| 856 | ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) != 0)) {\r | |
| 857 | DEBUG ((EFI_D_VERBOSE, "SetPropertiesTableSectionAlignment - Clear\n"));\r | |
| 858 | mPropertiesTable.MemoryProtectionAttribute &= ~EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA;\r | |
| 859 | gBS->GetMemoryMap = CoreGetMemoryMap;\r | |
| 860 | gBS->Hdr.CRC32 = 0;\r | |
| 861 | gBS->CalculateCrc32 ((UINT8 *)gBS, gBS->Hdr.HeaderSize, &gBS->Hdr.CRC32);\r | |
| 862 | }\r | |
| 863 | }\r | |
| 864 | \r | |
| 865 | /**\r | |
| 866 | Swap two code sections in image record.\r | |
| 867 | \r | |
| 868 | @param FirstImageRecordCodeSection first code section in image record\r | |
| 869 | @param SecondImageRecordCodeSection second code section in image record\r | |
| 870 | **/\r | |
| 871 | VOID\r | |
| 872 | SwapImageRecordCodeSection (\r | |
| 873 | IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *FirstImageRecordCodeSection,\r | |
| 874 | IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *SecondImageRecordCodeSection\r | |
| 875 | )\r | |
| 876 | {\r | |
| 877 | IMAGE_PROPERTIES_RECORD_CODE_SECTION TempImageRecordCodeSection;\r | |
| 878 | \r | |
| 879 | TempImageRecordCodeSection.CodeSegmentBase = FirstImageRecordCodeSection->CodeSegmentBase;\r | |
| 880 | TempImageRecordCodeSection.CodeSegmentSize = FirstImageRecordCodeSection->CodeSegmentSize;\r | |
| 881 | \r | |
| 882 | FirstImageRecordCodeSection->CodeSegmentBase = SecondImageRecordCodeSection->CodeSegmentBase;\r | |
| 883 | FirstImageRecordCodeSection->CodeSegmentSize = SecondImageRecordCodeSection->CodeSegmentSize;\r | |
| 884 | \r | |
| 885 | SecondImageRecordCodeSection->CodeSegmentBase = TempImageRecordCodeSection.CodeSegmentBase;\r | |
| 886 | SecondImageRecordCodeSection->CodeSegmentSize = TempImageRecordCodeSection.CodeSegmentSize;\r | |
| 887 | }\r | |
| 888 | \r | |
| 889 | /**\r | |
| 890 | Sort code section in image record, based upon CodeSegmentBase from low to high.\r | |
| 891 | \r | |
| 892 | @param ImageRecord image record to be sorted\r | |
| 893 | **/\r | |
| 894 | VOID\r | |
| 895 | SortImageRecordCodeSection (\r | |
| 896 | IN IMAGE_PROPERTIES_RECORD *ImageRecord\r | |
| 897 | )\r | |
| 898 | {\r | |
| 899 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
| 900 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *NextImageRecordCodeSection;\r | |
| 901 | LIST_ENTRY *ImageRecordCodeSectionLink;\r | |
| 902 | LIST_ENTRY *NextImageRecordCodeSectionLink;\r | |
| 903 | LIST_ENTRY *ImageRecordCodeSectionEndLink;\r | |
| 904 | LIST_ENTRY *ImageRecordCodeSectionList;\r | |
| 905 | \r | |
| 906 | ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r | |
| 907 | \r | |
| 908 | ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r | |
| 909 | NextImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
| 910 | ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r | |
| 911 | while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
| 912 | ImageRecordCodeSection = CR (\r | |
| 913 | ImageRecordCodeSectionLink,\r | |
| 914 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
| 915 | Link,\r | |
| 916 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
| 917 | );\r | |
| 918 | while (NextImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
| 919 | NextImageRecordCodeSection = CR (\r | |
| 920 | NextImageRecordCodeSectionLink,\r | |
| 921 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
| 922 | Link,\r | |
| 923 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
| 924 | );\r | |
| 925 | if (ImageRecordCodeSection->CodeSegmentBase > NextImageRecordCodeSection->CodeSegmentBase) {\r | |
| 926 | SwapImageRecordCodeSection (ImageRecordCodeSection, NextImageRecordCodeSection);\r | |
| 927 | }\r | |
| 928 | NextImageRecordCodeSectionLink = NextImageRecordCodeSectionLink->ForwardLink;\r | |
| 929 | }\r | |
| 930 | \r | |
| 931 | ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
| 932 | NextImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
| 933 | }\r | |
| 934 | }\r | |
| 935 | \r | |
| 936 | /**\r | |
| 937 | Check if code section in image record is valid\r | |
| 938 | \r | |
| 939 | @param ImageRecord image record to be checked\r | |
| 940 | \r | |
| 941 | @retval TRUE image record is valid\r | |
| 942 | @retval FALSE image record is invalid\r | |
| 943 | **/\r | |
| 944 | BOOLEAN\r | |
| 945 | IsImageRecordCodeSectionValid (\r | |
| 946 | IN IMAGE_PROPERTIES_RECORD *ImageRecord\r | |
| 947 | )\r | |
| 948 | {\r | |
| 949 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
| 950 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *LastImageRecordCodeSection;\r | |
| 951 | LIST_ENTRY *ImageRecordCodeSectionLink;\r | |
| 952 | LIST_ENTRY *ImageRecordCodeSectionEndLink;\r | |
| 953 | LIST_ENTRY *ImageRecordCodeSectionList;\r | |
| 954 | \r | |
| 955 | DEBUG ((EFI_D_VERBOSE, "ImageCode SegmentCount - 0x%x\n", ImageRecord->CodeSegmentCount));\r | |
| 956 | \r | |
| 957 | ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r | |
| 958 | \r | |
| 959 | ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r | |
| 960 | ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r | |
| 961 | LastImageRecordCodeSection = NULL;\r | |
| 962 | while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
| 963 | ImageRecordCodeSection = CR (\r | |
| 964 | ImageRecordCodeSectionLink,\r | |
| 965 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
| 966 | Link,\r | |
| 967 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
| 968 | );\r | |
| 969 | if (ImageRecordCodeSection->CodeSegmentSize == 0) {\r | |
| 970 | return FALSE;\r | |
| 971 | }\r | |
| 972 | if (ImageRecordCodeSection->CodeSegmentBase < ImageRecord->ImageBase) {\r | |
| 973 | return FALSE;\r | |
| 974 | }\r | |
| 975 | if (ImageRecordCodeSection->CodeSegmentBase >= MAX_ADDRESS - ImageRecordCodeSection->CodeSegmentSize) {\r | |
| 976 | return FALSE;\r | |
| 977 | }\r | |
| 978 | if ((ImageRecordCodeSection->CodeSegmentBase + ImageRecordCodeSection->CodeSegmentSize) > (ImageRecord->ImageBase + ImageRecord->ImageSize)) {\r | |
| 979 | return FALSE;\r | |
| 980 | }\r | |
| 981 | if (LastImageRecordCodeSection != NULL) {\r | |
| 982 | if ((LastImageRecordCodeSection->CodeSegmentBase + LastImageRecordCodeSection->CodeSegmentSize) > ImageRecordCodeSection->CodeSegmentBase) {\r | |
| 983 | return FALSE;\r | |
| 984 | }\r | |
| 985 | }\r | |
| 986 | \r | |
| 987 | LastImageRecordCodeSection = ImageRecordCodeSection;\r | |
| 988 | ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
| 989 | }\r | |
| 990 | \r | |
| 991 | return TRUE;\r | |
| 992 | }\r | |
| 993 | \r | |
| 994 | /**\r | |
| 995 | Swap two image records.\r | |
| 996 | \r | |
| 997 | @param FirstImageRecord first image record.\r | |
| 998 | @param SecondImageRecord second image record.\r | |
| 999 | **/\r | |
| 1000 | VOID\r | |
| 1001 | SwapImageRecord (\r | |
| 1002 | IN IMAGE_PROPERTIES_RECORD *FirstImageRecord,\r | |
| 1003 | IN IMAGE_PROPERTIES_RECORD *SecondImageRecord\r | |
| 1004 | )\r | |
| 1005 | {\r | |
| 1006 | IMAGE_PROPERTIES_RECORD TempImageRecord;\r | |
| 1007 | \r | |
| 1008 | TempImageRecord.ImageBase = FirstImageRecord->ImageBase;\r | |
| 1009 | TempImageRecord.ImageSize = FirstImageRecord->ImageSize;\r | |
| 1010 | TempImageRecord.CodeSegmentCount = FirstImageRecord->CodeSegmentCount;\r | |
| 1011 | \r | |
| 1012 | FirstImageRecord->ImageBase = SecondImageRecord->ImageBase;\r | |
| 1013 | FirstImageRecord->ImageSize = SecondImageRecord->ImageSize;\r | |
| 1014 | FirstImageRecord->CodeSegmentCount = SecondImageRecord->CodeSegmentCount;\r | |
| 1015 | \r | |
| 1016 | SecondImageRecord->ImageBase = TempImageRecord.ImageBase;\r | |
| 1017 | SecondImageRecord->ImageSize = TempImageRecord.ImageSize;\r | |
| 1018 | SecondImageRecord->CodeSegmentCount = TempImageRecord.CodeSegmentCount;\r | |
| 1019 | \r | |
| 1020 | SwapListEntries (&FirstImageRecord->CodeSegmentList, &SecondImageRecord->CodeSegmentList);\r | |
| 1021 | }\r | |
| 1022 | \r | |
| 1023 | /**\r | |
| 1024 | Sort image record based upon the ImageBase from low to high.\r | |
| 1025 | **/\r | |
| 1026 | VOID\r | |
| 1027 | SortImageRecord (\r | |
| 1028 | VOID\r | |
| 1029 | )\r | |
| 1030 | {\r | |
| 1031 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 1032 | IMAGE_PROPERTIES_RECORD *NextImageRecord;\r | |
| 1033 | LIST_ENTRY *ImageRecordLink;\r | |
| 1034 | LIST_ENTRY *NextImageRecordLink;\r | |
| 1035 | LIST_ENTRY *ImageRecordEndLink;\r | |
| 1036 | LIST_ENTRY *ImageRecordList;\r | |
| 1037 | \r | |
| 1038 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
| 1039 | \r | |
| 1040 | ImageRecordLink = ImageRecordList->ForwardLink;\r | |
| 1041 | NextImageRecordLink = ImageRecordLink->ForwardLink;\r | |
| 1042 | ImageRecordEndLink = ImageRecordList;\r | |
| 1043 | while (ImageRecordLink != ImageRecordEndLink) {\r | |
| 1044 | ImageRecord = CR (\r | |
| 1045 | ImageRecordLink,\r | |
| 1046 | IMAGE_PROPERTIES_RECORD,\r | |
| 1047 | Link,\r | |
| 1048 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
| 1049 | );\r | |
| 1050 | while (NextImageRecordLink != ImageRecordEndLink) {\r | |
| 1051 | NextImageRecord = CR (\r | |
| 1052 | NextImageRecordLink,\r | |
| 1053 | IMAGE_PROPERTIES_RECORD,\r | |
| 1054 | Link,\r | |
| 1055 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
| 1056 | );\r | |
| 1057 | if (ImageRecord->ImageBase > NextImageRecord->ImageBase) {\r | |
| 1058 | SwapImageRecord (ImageRecord, NextImageRecord);\r | |
| 1059 | }\r | |
| 1060 | NextImageRecordLink = NextImageRecordLink->ForwardLink;\r | |
| 1061 | }\r | |
| 1062 | \r | |
| 1063 | ImageRecordLink = ImageRecordLink->ForwardLink;\r | |
| 1064 | NextImageRecordLink = ImageRecordLink->ForwardLink;\r | |
| 1065 | }\r | |
| 1066 | }\r | |
| 1067 | \r | |
| 1068 | /**\r | |
| 1069 | Dump image record\r | |
| 1070 | **/\r | |
| 1071 | VOID\r | |
| 1072 | DumpImageRecord (\r | |
| 1073 | VOID\r | |
| 1074 | )\r | |
| 1075 | {\r | |
| 1076 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 1077 | LIST_ENTRY *ImageRecordLink;\r | |
| 1078 | LIST_ENTRY *ImageRecordList;\r | |
| 1079 | UINTN Index;\r | |
| 1080 | \r | |
| 1081 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
| 1082 | \r | |
| 1083 | for (ImageRecordLink = ImageRecordList->ForwardLink, Index= 0;\r | |
| 1084 | ImageRecordLink != ImageRecordList;\r | |
| 1085 | ImageRecordLink = ImageRecordLink->ForwardLink, Index++) {\r | |
| 1086 | ImageRecord = CR (\r | |
| 1087 | ImageRecordLink,\r | |
| 1088 | IMAGE_PROPERTIES_RECORD,\r | |
| 1089 | Link,\r | |
| 1090 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
| 1091 | );\r | |
| 1092 | DEBUG ((EFI_D_VERBOSE, " Image[%d]: 0x%016lx - 0x%016lx\n", Index, ImageRecord->ImageBase, ImageRecord->ImageSize));\r | |
| 1093 | }\r | |
| 1094 | }\r | |
| 1095 | \r | |
| 1096 | /**\r | |
| 1097 | Insert image record.\r | |
| 1098 | \r | |
| 1099 | @param RuntimeImage Runtime image information\r | |
| 1100 | **/\r | |
| 1101 | VOID\r | |
| 1102 | InsertImageRecord (\r | |
| 1103 | IN EFI_RUNTIME_IMAGE_ENTRY *RuntimeImage\r | |
| 1104 | )\r | |
| 1105 | {\r | |
| 1106 | VOID *ImageAddress;\r | |
| 1107 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
| 1108 | UINT32 PeCoffHeaderOffset;\r | |
| 1109 | UINT32 SectionAlignment;\r | |
| 03d486b2 JY |
1110 | EFI_IMAGE_SECTION_HEADER *Section;\r |
| 1111 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
| 03d486b2 JY |
1112 | UINT8 *Name;\r |
| 1113 | UINTN Index;\r | |
| 1114 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 1115 | CHAR8 *PdbPointer;\r | |
| 1116 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
| 1117 | \r | |
| 1118 | DEBUG ((EFI_D_VERBOSE, "InsertImageRecord - 0x%x\n", RuntimeImage));\r | |
| 1119 | DEBUG ((EFI_D_VERBOSE, "InsertImageRecord - 0x%016lx - 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize));\r | |
| 1120 | \r | |
| 1121 | ImageRecord = AllocatePool (sizeof(*ImageRecord));\r | |
| 1122 | if (ImageRecord == NULL) {\r | |
| 1123 | return ;\r | |
| 1124 | }\r | |
| 1125 | ImageRecord->Signature = IMAGE_PROPERTIES_RECORD_SIGNATURE;\r | |
| 1126 | \r | |
| 1127 | DEBUG ((EFI_D_VERBOSE, "ImageRecordCount - 0x%x\n", mImagePropertiesPrivateData.ImageRecordCount));\r | |
| 1128 | \r | |
| 1129 | //\r | |
| 1130 | // Step 1: record whole region\r | |
| 1131 | //\r | |
| 1132 | ImageRecord->ImageBase = (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase;\r | |
| 1133 | ImageRecord->ImageSize = RuntimeImage->ImageSize;\r | |
| 1134 | \r | |
| 1135 | ImageAddress = RuntimeImage->ImageBase;\r | |
| 1136 | \r | |
| 1137 | PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r | |
| 1138 | if (PdbPointer != NULL) {\r | |
| 1139 | DEBUG ((EFI_D_VERBOSE, " Image - %a\n", PdbPointer));\r | |
| 1140 | }\r | |
| 1141 | \r | |
| 1142 | //\r | |
| 1143 | // Check PE/COFF image\r | |
| 1144 | //\r | |
| 1145 | DosHdr = (EFI_IMAGE_DOS_HEADER *) (UINTN) ImageAddress;\r | |
| 1146 | PeCoffHeaderOffset = 0;\r | |
| 1147 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
| 1148 | PeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
| 1149 | }\r | |
| 1150 | \r | |
| 1151 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINT8 *) (UINTN) ImageAddress + PeCoffHeaderOffset);\r | |
| 1152 | if (Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
| 1153 | DEBUG ((EFI_D_VERBOSE, "Hdr.Pe32->Signature invalid - 0x%x\n", Hdr.Pe32->Signature));\r | |
| 1154 | // It might be image in SMM.\r | |
| 1155 | goto Finish;\r | |
| 1156 | }\r | |
| 1157 | \r | |
| 1158 | //\r | |
| 1159 | // Measuring PE/COFF Image Header;\r | |
| 1160 | // But CheckSum field and SECURITY data directory (certificate) are excluded\r | |
| 1161 | //\r | |
| 1162 | if (Hdr.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
| 1163 | //\r | |
| 1164 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r | |
| 1165 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
| 1166 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r | |
| 1167 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
| 1168 | //\r | |
| 03d486b2 JY |
1169 | SectionAlignment = Hdr.Pe32->OptionalHeader.SectionAlignment;\r |
| 1170 | } else {\r | |
| 1171 | //\r | |
| 1172 | // Get the magic value from the PE/COFF Optional Header\r | |
| 1173 | //\r | |
| 03d486b2 JY |
1174 | SectionAlignment = Hdr.Pe32Plus->OptionalHeader.SectionAlignment;\r |
| 1175 | }\r | |
| 1176 | \r | |
| 1177 | SetPropertiesTableSectionAlignment (SectionAlignment);\r | |
| 1178 | if ((SectionAlignment & (SIZE_4KB - 1)) != 0) {\r | |
| 1179 | DEBUG ((EFI_D_ERROR, "!!!!!!!! InsertImageRecord - Section Alignment(0x%x) is not 4K !!!!!!!!\n", SectionAlignment));\r | |
| 1180 | PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r | |
| 1181 | if (PdbPointer != NULL) {\r | |
| 1182 | DEBUG ((EFI_D_ERROR, "!!!!!!!! Image - %a !!!!!!!!\n", PdbPointer));\r | |
| 1183 | }\r | |
| 1184 | goto Finish;\r | |
| 1185 | }\r | |
| 1186 | \r | |
| 1187 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
| 1188 | (UINT8 *) (UINTN) ImageAddress +\r | |
| 1189 | PeCoffHeaderOffset +\r | |
| 1190 | sizeof(UINT32) +\r | |
| 1191 | sizeof(EFI_IMAGE_FILE_HEADER) +\r | |
| 1192 | Hdr.Pe32->FileHeader.SizeOfOptionalHeader\r | |
| 1193 | );\r | |
| 1194 | ImageRecord->CodeSegmentCount = 0;\r | |
| 1195 | InitializeListHead (&ImageRecord->CodeSegmentList);\r | |
| 1196 | for (Index = 0; Index < Hdr.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
| 1197 | Name = Section[Index].Name;\r | |
| 1198 | DEBUG ((\r | |
| 1199 | EFI_D_VERBOSE,\r | |
| 1200 | " Section - '%c%c%c%c%c%c%c%c'\n",\r | |
| 1201 | Name[0],\r | |
| 1202 | Name[1],\r | |
| 1203 | Name[2],\r | |
| 1204 | Name[3],\r | |
| 1205 | Name[4],\r | |
| 1206 | Name[5],\r | |
| 1207 | Name[6],\r | |
| 1208 | Name[7]\r | |
| 1209 | ));\r | |
| 1210 | \r | |
| 1211 | if ((Section[Index].Characteristics & EFI_IMAGE_SCN_CNT_CODE) != 0) {\r | |
| 1212 | DEBUG ((EFI_D_VERBOSE, " VirtualSize - 0x%08x\n", Section[Index].Misc.VirtualSize));\r | |
| 1213 | DEBUG ((EFI_D_VERBOSE, " VirtualAddress - 0x%08x\n", Section[Index].VirtualAddress));\r | |
| 1214 | DEBUG ((EFI_D_VERBOSE, " SizeOfRawData - 0x%08x\n", Section[Index].SizeOfRawData));\r | |
| 1215 | DEBUG ((EFI_D_VERBOSE, " PointerToRawData - 0x%08x\n", Section[Index].PointerToRawData));\r | |
| 1216 | DEBUG ((EFI_D_VERBOSE, " PointerToRelocations - 0x%08x\n", Section[Index].PointerToRelocations));\r | |
| 1217 | DEBUG ((EFI_D_VERBOSE, " PointerToLinenumbers - 0x%08x\n", Section[Index].PointerToLinenumbers));\r | |
| 1218 | DEBUG ((EFI_D_VERBOSE, " NumberOfRelocations - 0x%08x\n", Section[Index].NumberOfRelocations));\r | |
| 1219 | DEBUG ((EFI_D_VERBOSE, " NumberOfLinenumbers - 0x%08x\n", Section[Index].NumberOfLinenumbers));\r | |
| 1220 | DEBUG ((EFI_D_VERBOSE, " Characteristics - 0x%08x\n", Section[Index].Characteristics));\r | |
| 1221 | \r | |
| 1222 | //\r | |
| 1223 | // Step 2: record code section\r | |
| 1224 | //\r | |
| 1225 | ImageRecordCodeSection = AllocatePool (sizeof(*ImageRecordCodeSection));\r | |
| 1226 | if (ImageRecordCodeSection == NULL) {\r | |
| 1227 | return ;\r | |
| 1228 | }\r | |
| 1229 | ImageRecordCodeSection->Signature = IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE;\r | |
| 1230 | \r | |
| 1231 | ImageRecordCodeSection->CodeSegmentBase = (UINTN)ImageAddress + Section[Index].VirtualAddress;\r | |
| 1232 | ImageRecordCodeSection->CodeSegmentSize = Section[Index].SizeOfRawData;\r | |
| 1233 | \r | |
| 1234 | DEBUG ((EFI_D_VERBOSE, "ImageCode: 0x%016lx - 0x%016lx\n", ImageRecordCodeSection->CodeSegmentBase, ImageRecordCodeSection->CodeSegmentSize));\r | |
| 1235 | \r | |
| 1236 | InsertTailList (&ImageRecord->CodeSegmentList, &ImageRecordCodeSection->Link);\r | |
| 1237 | ImageRecord->CodeSegmentCount++;\r | |
| 1238 | }\r | |
| 1239 | }\r | |
| 1240 | \r | |
| 1241 | if (ImageRecord->CodeSegmentCount == 0) {\r | |
| 1242 | SetPropertiesTableSectionAlignment (1);\r | |
| 1243 | DEBUG ((EFI_D_ERROR, "!!!!!!!! InsertImageRecord - CodeSegmentCount is 0 !!!!!!!!\n"));\r | |
| 1244 | PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r | |
| 1245 | if (PdbPointer != NULL) {\r | |
| 1246 | DEBUG ((EFI_D_ERROR, "!!!!!!!! Image - %a !!!!!!!!\n", PdbPointer));\r | |
| 1247 | }\r | |
| 1248 | goto Finish;\r | |
| 1249 | }\r | |
| 1250 | \r | |
| 1251 | //\r | |
| 1252 | // Final\r | |
| 1253 | //\r | |
| 1254 | SortImageRecordCodeSection (ImageRecord);\r | |
| 1255 | //\r | |
| 1256 | // Check overlap all section in ImageBase/Size\r | |
| 1257 | //\r | |
| 1258 | if (!IsImageRecordCodeSectionValid (ImageRecord)) {\r | |
| 1259 | DEBUG ((EFI_D_ERROR, "IsImageRecordCodeSectionValid - FAIL\n"));\r | |
| 1260 | goto Finish;\r | |
| 1261 | }\r | |
| 1262 | \r | |
| 1263 | InsertTailList (&mImagePropertiesPrivateData.ImageRecordList, &ImageRecord->Link);\r | |
| 1264 | mImagePropertiesPrivateData.ImageRecordCount++;\r | |
| 1265 | \r | |
| 1266 | SortImageRecord ();\r | |
| 1267 | \r | |
| 1268 | if (mImagePropertiesPrivateData.CodeSegmentCountMax < ImageRecord->CodeSegmentCount) {\r | |
| 1269 | mImagePropertiesPrivateData.CodeSegmentCountMax = ImageRecord->CodeSegmentCount;\r | |
| 1270 | }\r | |
| 1271 | \r | |
| 1272 | Finish:\r | |
| 1273 | return ;\r | |
| 1274 | }\r | |
| 1275 | \r | |
| 1276 | /**\r | |
| 1277 | Find image record accroding to image base and size.\r | |
| 1278 | \r | |
| 1279 | @param ImageBase Base of PE image\r | |
| 1280 | @param ImageSize Size of PE image\r | |
| 1281 | \r | |
| 1282 | @return image record\r | |
| 1283 | **/\r | |
| 1284 | IMAGE_PROPERTIES_RECORD *\r | |
| 1285 | FindImageRecord (\r | |
| 1286 | IN EFI_PHYSICAL_ADDRESS ImageBase,\r | |
| 1287 | IN UINT64 ImageSize\r | |
| 1288 | )\r | |
| 1289 | {\r | |
| 1290 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 1291 | LIST_ENTRY *ImageRecordLink;\r | |
| 1292 | LIST_ENTRY *ImageRecordList;\r | |
| 1293 | \r | |
| 1294 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
| 1295 | \r | |
| 1296 | for (ImageRecordLink = ImageRecordList->ForwardLink;\r | |
| 1297 | ImageRecordLink != ImageRecordList;\r | |
| 1298 | ImageRecordLink = ImageRecordLink->ForwardLink) {\r | |
| 1299 | ImageRecord = CR (\r | |
| 1300 | ImageRecordLink,\r | |
| 1301 | IMAGE_PROPERTIES_RECORD,\r | |
| 1302 | Link,\r | |
| 1303 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
| 1304 | );\r | |
| 1305 | \r | |
| 1306 | if ((ImageBase == ImageRecord->ImageBase) &&\r | |
| 1307 | (ImageSize == ImageRecord->ImageSize)) {\r | |
| 1308 | return ImageRecord;\r | |
| 1309 | }\r | |
| 1310 | }\r | |
| 1311 | \r | |
| 1312 | return NULL;\r | |
| 1313 | }\r | |
| 1314 | \r | |
| 1315 | /**\r | |
| 1316 | Remove Image record.\r | |
| 1317 | \r | |
| 1318 | @param RuntimeImage Runtime image information\r | |
| 1319 | **/\r | |
| 1320 | VOID\r | |
| 1321 | RemoveImageRecord (\r | |
| 1322 | IN EFI_RUNTIME_IMAGE_ENTRY *RuntimeImage\r | |
| 1323 | )\r | |
| 1324 | {\r | |
| 1325 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
| 1326 | LIST_ENTRY *CodeSegmentListHead;\r | |
| 1327 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
| 1328 | \r | |
| 1329 | DEBUG ((EFI_D_VERBOSE, "RemoveImageRecord - 0x%x\n", RuntimeImage));\r | |
| 1330 | DEBUG ((EFI_D_VERBOSE, "RemoveImageRecord - 0x%016lx - 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize));\r | |
| 1331 | \r | |
| 1332 | ImageRecord = FindImageRecord ((EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize);\r | |
| 1333 | if (ImageRecord == NULL) {\r | |
| 1334 | DEBUG ((EFI_D_ERROR, "!!!!!!!! ImageRecord not found !!!!!!!!\n"));\r | |
| 1335 | return ;\r | |
| 1336 | }\r | |
| 1337 | \r | |
| 1338 | CodeSegmentListHead = &ImageRecord->CodeSegmentList;\r | |
| 1339 | while (!IsListEmpty (CodeSegmentListHead)) {\r | |
| 1340 | ImageRecordCodeSection = CR (\r | |
| 1341 | CodeSegmentListHead->ForwardLink,\r | |
| 1342 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
| 1343 | Link,\r | |
| 1344 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
| 1345 | );\r | |
| 1346 | RemoveEntryList (&ImageRecordCodeSection->Link);\r | |
| 1347 | FreePool (ImageRecordCodeSection);\r | |
| 1348 | }\r | |
| 1349 | \r | |
| 1350 | RemoveEntryList (&ImageRecord->Link);\r | |
| 1351 | FreePool (ImageRecord);\r | |
| 1352 | mImagePropertiesPrivateData.ImageRecordCount--;\r | |
| 1353 | }\r | |
| 1354 | \r | |
| 1355 | \r | |
| 1356 | /**\r | |
| 1357 | Install PropertiesTable.\r | |
| 1358 | \r | |
| 1359 | @param[in] Event The Event this notify function registered to.\r | |
| 1360 | @param[in] Context Pointer to the context data registered to the Event.\r | |
| 1361 | **/\r | |
| 1362 | VOID\r | |
| 1363 | EFIAPI\r | |
| 1364 | InstallPropertiesTable (\r | |
| 1365 | EFI_EVENT Event,\r | |
| 1366 | VOID *Context\r | |
| 1367 | )\r | |
| 1368 | {\r | |
| 1369 | if (PcdGetBool (PropertiesTableEnable)) {\r | |
| 1370 | EFI_STATUS Status;\r | |
| 1371 | \r | |
| 1372 | Status = gBS->InstallConfigurationTable (&gEfiPropertiesTableGuid, &mPropertiesTable);\r | |
| 1373 | ASSERT_EFI_ERROR (Status);\r | |
| 1374 | \r | |
| 1375 | DEBUG ((EFI_D_INFO, "MemoryProtectionAttribute - 0x%016lx\n", mPropertiesTable.MemoryProtectionAttribute));\r | |
| 1376 | if ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) == 0) {\r | |
| 1377 | return ;\r | |
| 1378 | }\r | |
| 1379 | \r | |
| 1380 | gBS->GetMemoryMap = CoreGetMemoryMapPropertiesTable;\r | |
| 1381 | gBS->Hdr.CRC32 = 0;\r | |
| 1382 | gBS->CalculateCrc32 ((UINT8 *)gBS, gBS->Hdr.HeaderSize, &gBS->Hdr.CRC32);\r | |
| 1383 | \r | |
| 1384 | DEBUG ((EFI_D_VERBOSE, "Total Image Count - 0x%x\n", mImagePropertiesPrivateData.ImageRecordCount));\r | |
| 1385 | DEBUG ((EFI_D_VERBOSE, "Dump ImageRecord:\n"));\r | |
| 1386 | DumpImageRecord ();\r | |
| 1387 | }\r | |
| 1388 | }\r | |
| 1389 | \r | |
| 1390 | /**\r | |
| 1391 | Initialize PropertiesTable support.\r | |
| 1392 | **/\r | |
| 1393 | VOID\r | |
| 1394 | EFIAPI\r | |
| 1395 | CoreInitializePropertiesTable (\r | |
| 1396 | VOID\r | |
| 1397 | )\r | |
| 1398 | {\r | |
| 1399 | EFI_STATUS Status;\r | |
| 1400 | EFI_EVENT EndOfDxeEvent;\r | |
| 1401 | \r | |
| 1402 | Status = gBS->CreateEventEx (\r | |
| 1403 | EVT_NOTIFY_SIGNAL,\r | |
| 1404 | TPL_NOTIFY,\r | |
| 1405 | InstallPropertiesTable,\r | |
| 1406 | NULL,\r | |
| 1407 | &gEfiEndOfDxeEventGroupGuid,\r | |
| 1408 | &EndOfDxeEvent\r | |
| 1409 | );\r | |
| 1410 | ASSERT_EFI_ERROR (Status);\r | |
| 1411 | return ;\r | |
| 1412 | }\r |