klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 1 | /*++
|
| 2 |
|
hhtian | b1f700a | 2010-04-28 12:39:50 +0000 | [diff] [blame] | 3 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
|
| 4 | This program and the accompanying materials
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 5 | are licensed and made available under the terms and conditions of the BSD License
|
| 6 | which accompanies this distribution. The full text of the license may be found at
|
| 7 | http://opensource.org/licenses/bsd-license.php
|
| 8 |
|
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
| 11 |
|
| 12 | Module Name:
|
| 13 | PeLoader.c
|
| 14 |
|
| 15 | Abstract:
|
| 16 |
|
| 17 | Revision History:
|
| 18 |
|
| 19 | --*/
|
| 20 | #include "EfiLdr.h"
|
| 21 | #include "Debug.h"
|
| 22 | #include "Support.h"
|
| 23 |
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 24 | EFI_STATUS
|
| 25 | EfiLdrPeCoffLoadPeRelocate (
|
| 26 | IN EFILDR_LOADED_IMAGE *Image,
|
| 27 | IN EFI_IMAGE_DATA_DIRECTORY *RelocDir,
|
| 28 | IN UINTN Adjust,
|
| 29 | IN UINTN *NumberOfMemoryMapEntries,
|
| 30 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor
|
| 31 | );
|
| 32 |
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 33 | EFI_STATUS
|
| 34 | EfiLdrPeCoffImageRead (
|
| 35 | IN VOID *FHand,
|
| 36 | IN UINTN Offset,
|
| 37 | IN OUT UINTN ReadSize,
|
| 38 | OUT VOID *Buffer
|
| 39 | );
|
| 40 |
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 41 | VOID *
|
| 42 | EfiLdrPeCoffImageAddress (
|
| 43 | IN EFILDR_LOADED_IMAGE *Image,
|
| 44 | IN UINTN Address
|
| 45 | );
|
| 46 |
|
| 47 |
|
| 48 | EFI_STATUS
|
| 49 | EfiLdrPeCoffSetImageType (
|
| 50 | IN OUT EFILDR_LOADED_IMAGE *Image,
|
| 51 | IN UINTN ImageType
|
| 52 | );
|
| 53 |
|
| 54 | EFI_STATUS
|
| 55 | EfiLdrPeCoffCheckImageMachineType (
|
| 56 | IN UINT16 MachineType
|
| 57 | );
|
| 58 |
|
| 59 | EFI_STATUS
|
| 60 | EfiLdrGetPeImageInfo (
|
| 61 | IN VOID *FHand,
|
| 62 | OUT UINT64 *ImageBase,
|
| 63 | OUT UINT32 *ImageSize
|
| 64 | )
|
| 65 | {
|
| 66 | EFI_STATUS Status;
|
| 67 | EFI_IMAGE_DOS_HEADER DosHdr;
|
| 68 | EFI_IMAGE_OPTIONAL_HEADER_UNION PeHdr;
|
| 69 |
|
| 70 | ZeroMem (&DosHdr, sizeof(DosHdr));
|
| 71 | ZeroMem (&PeHdr, sizeof(PeHdr));
|
| 72 |
|
| 73 | //
|
| 74 | // Read image headers
|
| 75 | //
|
| 76 |
|
| 77 | EfiLdrPeCoffImageRead (FHand, 0, sizeof(DosHdr), &DosHdr);
|
| 78 | if (DosHdr.e_magic != EFI_IMAGE_DOS_SIGNATURE) {
|
| 79 | return EFI_UNSUPPORTED;
|
| 80 | }
|
| 81 |
|
| 82 | EfiLdrPeCoffImageRead (FHand, DosHdr.e_lfanew, sizeof(PeHdr), &PeHdr);
|
| 83 |
|
| 84 | if (PeHdr.Pe32.Signature != EFI_IMAGE_NT_SIGNATURE) {
|
| 85 | return EFI_UNSUPPORTED;
|
| 86 | }
|
| 87 |
|
| 88 | //
|
| 89 | // Verify machine type
|
| 90 | //
|
| 91 |
|
| 92 | Status = EfiLdrPeCoffCheckImageMachineType (PeHdr.Pe32.FileHeader.Machine);
|
| 93 | if (EFI_ERROR(Status)) {
|
| 94 | return Status;
|
| 95 | }
|
| 96 |
|
| 97 | if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
|
| 98 | *ImageBase = (UINT32)PeHdr.Pe32.OptionalHeader.ImageBase;
|
| 99 | } else if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
|
| 100 | *ImageBase = PeHdr.Pe32Plus.OptionalHeader.ImageBase;
|
| 101 | } else {
|
| 102 | return EFI_UNSUPPORTED;
|
| 103 | }
|
| 104 |
|
| 105 | *ImageSize = PeHdr.Pe32.OptionalHeader.SizeOfImage;
|
| 106 |
|
| 107 | return EFI_SUCCESS;
|
| 108 | }
|
| 109 |
|
| 110 | EFI_STATUS
|
| 111 | EfiLdrPeCoffLoadPeImage (
|
| 112 | IN VOID *FHand,
|
| 113 | IN EFILDR_LOADED_IMAGE *Image,
|
| 114 | IN UINTN *NumberOfMemoryMapEntries,
|
| 115 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor
|
| 116 | )
|
| 117 | {
|
| 118 | EFI_IMAGE_DOS_HEADER DosHdr;
|
| 119 | EFI_IMAGE_OPTIONAL_HEADER_UNION PeHdr;
|
| 120 | EFI_IMAGE_SECTION_HEADER *FirstSection;
|
| 121 | EFI_IMAGE_SECTION_HEADER *Section;
|
| 122 | UINTN Index;
|
| 123 | EFI_STATUS Status;
|
| 124 | UINT8 *Base;
|
| 125 | UINT8 *End;
|
| 126 | EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;
|
| 127 | UINTN DirCount;
|
| 128 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY TempDebugEntry;
|
| 129 | EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;
|
| 130 | UINTN CodeViewSize;
|
| 131 | UINTN CodeViewOffset;
|
| 132 | UINTN CodeViewFileOffset;
|
| 133 | UINTN OptionalHeaderSize;
|
| 134 | UINTN PeHeaderSize;
|
| 135 | UINT32 NumberOfRvaAndSizes;
|
| 136 | EFI_IMAGE_DATA_DIRECTORY *DataDirectory;
|
| 137 | UINT64 ImageBase;
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 138 | CHAR8 PrintBuffer[256];
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 139 |
|
| 140 | ZeroMem (&DosHdr, sizeof(DosHdr));
|
| 141 | ZeroMem (&PeHdr, sizeof(PeHdr));
|
| 142 |
|
| 143 | //
|
| 144 | // Read image headers
|
| 145 | //
|
| 146 |
|
| 147 | EfiLdrPeCoffImageRead (FHand, 0, sizeof(DosHdr), &DosHdr);
|
| 148 | if (DosHdr.e_magic != EFI_IMAGE_DOS_SIGNATURE) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 149 | AsciiSPrint (PrintBuffer, 256, "PeCoffLoadPeImage: Dos header signature not found\n");
|
| 150 | PrintString (PrintBuffer);
|
| 151 | PrintHeader ('F');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 152 | return EFI_UNSUPPORTED;
|
| 153 | }
|
| 154 |
|
| 155 | EfiLdrPeCoffImageRead (FHand, DosHdr.e_lfanew, sizeof(PeHdr), &PeHdr);
|
| 156 |
|
| 157 | if (PeHdr.Pe32.Signature != EFI_IMAGE_NT_SIGNATURE) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 158 | AsciiSPrint (PrintBuffer, 256, "PeCoffLoadPeImage: PE image header signature not found\n");
|
| 159 | PrintString (PrintBuffer);
|
| 160 | PrintHeader ('G');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 161 | return EFI_UNSUPPORTED;
|
| 162 | }
|
| 163 |
|
| 164 | //
|
| 165 | // Set the image subsystem type
|
| 166 | //
|
| 167 |
|
| 168 | Status = EfiLdrPeCoffSetImageType (Image, PeHdr.Pe32.OptionalHeader.Subsystem);
|
| 169 | if (EFI_ERROR(Status)) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 170 | AsciiSPrint (PrintBuffer, 256, "PeCoffLoadPeImage: Subsystem type not known\n");
|
| 171 | PrintString (PrintBuffer);
|
| 172 | PrintHeader ('H');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 173 | return Status;
|
| 174 | }
|
| 175 |
|
| 176 | //
|
| 177 | // Verify machine type
|
| 178 | //
|
| 179 |
|
| 180 | Status = EfiLdrPeCoffCheckImageMachineType (PeHdr.Pe32.FileHeader.Machine);
|
| 181 | if (EFI_ERROR(Status)) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 182 | AsciiSPrint (PrintBuffer, 256, "PeCoffLoadPeImage: Incorrect machine type\n");
|
| 183 | PrintString (PrintBuffer);
|
| 184 | PrintHeader ('I');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 185 | return Status;
|
| 186 | }
|
| 187 |
|
| 188 | //
|
| 189 | // Compute the amount of memory needed to load the image and
|
| 190 | // allocate it. This will include all sections plus the codeview debug info.
|
| 191 | // Since the codeview info is actually outside of the image, we calculate
|
| 192 | // its size seperately and add it to the total.
|
| 193 | //
|
| 194 | // Memory starts off as data
|
| 195 | //
|
| 196 |
|
| 197 | CodeViewSize = 0;
|
| 198 | CodeViewFileOffset = 0;
|
| 199 | if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
|
| 200 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(PeHdr.Pe32.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);
|
| 201 | } else if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
|
| 202 | DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(PeHdr.Pe32Plus.OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);
|
| 203 | } else {
|
| 204 | return EFI_UNSUPPORTED;
|
| 205 | }
|
| 206 | for (DirCount = 0;
|
| 207 | (DirCount < DirectoryEntry->Size / sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY)) && (CodeViewSize == 0);
|
| 208 | DirCount++) {
|
| 209 | Status = EfiLdrPeCoffImageRead (
|
| 210 | FHand,
|
| 211 | DirectoryEntry->VirtualAddress + DirCount * sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY),
|
| 212 | sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY),
|
| 213 | &TempDebugEntry
|
| 214 | );
|
| 215 | if (!EFI_ERROR (Status)) {
|
| 216 | if (TempDebugEntry.Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {
|
| 217 | CodeViewSize = TempDebugEntry.SizeOfData;
|
| 218 | CodeViewFileOffset = TempDebugEntry.FileOffset;
|
| 219 | }
|
| 220 | }
|
| 221 | }
|
| 222 |
|
| 223 | CodeViewOffset = PeHdr.Pe32.OptionalHeader.SizeOfImage + PeHdr.Pe32.OptionalHeader.SectionAlignment;
|
| 224 | Image->NoPages = EFI_SIZE_TO_PAGES (CodeViewOffset + CodeViewSize);
|
| 225 |
|
| 226 | //
|
| 227 | // Compute the amount of memory needed to load the image and
|
| 228 | // allocate it. Memory starts off as data
|
| 229 | //
|
| 230 |
|
| 231 | Image->ImageBasePage = (EFI_PHYSICAL_ADDRESS)FindSpace (Image->NoPages, NumberOfMemoryMapEntries, EfiMemoryDescriptor, EfiRuntimeServicesCode, EFI_MEMORY_WB);
|
| 232 | if (Image->ImageBasePage == 0) {
|
| 233 | return EFI_OUT_OF_RESOURCES;
|
| 234 | }
|
| 235 |
|
| 236 | if (EFI_ERROR(Status)) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 237 | PrintHeader ('J');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 238 | return Status;
|
| 239 | }
|
| 240 |
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 241 | AsciiSPrint (PrintBuffer, 256, "LoadPe: new image base %lx\n", Image->ImageBasePage);
|
| 242 | PrintString (PrintBuffer);
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 243 | Image->Info.ImageBase = (VOID *)(UINTN)Image->ImageBasePage;
|
| 244 | Image->Info.ImageSize = (Image->NoPages << EFI_PAGE_SHIFT) - 1;
|
| 245 | Image->ImageBase = (UINT8 *)(UINTN)Image->ImageBasePage;
|
| 246 | Image->ImageEof = Image->ImageBase + Image->Info.ImageSize;
|
| 247 | Image->ImageAdjust = Image->ImageBase;
|
| 248 |
|
| 249 | //
|
| 250 | // Copy the Image header to the base location
|
| 251 | //
|
| 252 | Status = EfiLdrPeCoffImageRead (
|
| 253 | FHand,
|
| 254 | 0,
|
| 255 | PeHdr.Pe32.OptionalHeader.SizeOfHeaders,
|
| 256 | Image->ImageBase
|
| 257 | );
|
| 258 |
|
| 259 | if (EFI_ERROR(Status)) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 260 | PrintHeader ('K');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 261 | return Status;
|
| 262 | }
|
| 263 |
|
| 264 | //
|
| 265 | // Load each directory of the image into memory...
|
| 266 | // Save the address of the Debug directory for later
|
| 267 | //
|
| 268 | if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
|
| 269 | NumberOfRvaAndSizes = PeHdr.Pe32.OptionalHeader.NumberOfRvaAndSizes;
|
| 270 | DataDirectory = PeHdr.Pe32.OptionalHeader.DataDirectory;
|
| 271 | } else {
|
| 272 | NumberOfRvaAndSizes = PeHdr.Pe32Plus.OptionalHeader.NumberOfRvaAndSizes;
|
| 273 | DataDirectory = PeHdr.Pe32Plus.OptionalHeader.DataDirectory;
|
| 274 | }
|
| 275 | DebugEntry = NULL;
|
| 276 | for (Index = 0; Index < NumberOfRvaAndSizes; Index++) {
|
| 277 | if ((DataDirectory[Index].VirtualAddress != 0) && (DataDirectory[Index].Size != 0)) {
|
| 278 | Status = EfiLdrPeCoffImageRead (
|
| 279 | FHand,
|
| 280 | DataDirectory[Index].VirtualAddress,
|
| 281 | DataDirectory[Index].Size,
|
| 282 | Image->ImageBase + DataDirectory[Index].VirtualAddress
|
| 283 | );
|
| 284 | if (EFI_ERROR(Status)) {
|
| 285 | return Status;
|
| 286 | }
|
| 287 | if (Index == EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {
|
| 288 | DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) (Image->ImageBase + DataDirectory[Index].VirtualAddress);
|
| 289 | }
|
| 290 | }
|
| 291 | }
|
| 292 |
|
| 293 | //
|
| 294 | // Load each section of the image
|
| 295 | //
|
| 296 |
|
| 297 | // BUGBUG: change this to use the in memory copy
|
| 298 | if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
|
| 299 | OptionalHeaderSize = sizeof(EFI_IMAGE_OPTIONAL_HEADER32);
|
| 300 | PeHeaderSize = sizeof(EFI_IMAGE_NT_HEADERS32);
|
| 301 | } else {
|
| 302 | OptionalHeaderSize = sizeof(EFI_IMAGE_OPTIONAL_HEADER64);
|
| 303 | PeHeaderSize = sizeof(EFI_IMAGE_NT_HEADERS64);
|
| 304 | }
|
| 305 | FirstSection = (EFI_IMAGE_SECTION_HEADER *) (
|
| 306 | Image->ImageBase +
|
| 307 | DosHdr.e_lfanew +
|
| 308 | PeHeaderSize +
|
| 309 | PeHdr.Pe32.FileHeader.SizeOfOptionalHeader -
|
| 310 | OptionalHeaderSize
|
| 311 | );
|
| 312 |
|
| 313 | Section = FirstSection;
|
| 314 | for (Index=0; Index < PeHdr.Pe32.FileHeader.NumberOfSections; Index += 1) {
|
| 315 |
|
| 316 | //
|
| 317 | // Compute sections address
|
| 318 | //
|
| 319 |
|
| 320 | Base = EfiLdrPeCoffImageAddress (Image, (UINTN)Section->VirtualAddress);
|
| 321 | End = EfiLdrPeCoffImageAddress (Image, (UINTN)(Section->VirtualAddress + Section->Misc.VirtualSize));
|
| 322 |
|
| 323 | if (EFI_ERROR(Status) || !Base || !End) {
|
| 324 | // DEBUG((D_LOAD|D_ERROR, "LoadPe: Section %d was not loaded\n", Index));
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 325 | PrintHeader ('L');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 326 | return EFI_LOAD_ERROR;
|
| 327 | }
|
| 328 |
|
| 329 | // DEBUG((D_LOAD, "LoadPe: Section %d, loaded at %x\n", Index, Base));
|
| 330 |
|
| 331 | //
|
| 332 | // Read the section
|
| 333 | //
|
| 334 |
|
| 335 | if (Section->SizeOfRawData) {
|
| 336 | Status = EfiLdrPeCoffImageRead (FHand, Section->PointerToRawData, Section->SizeOfRawData, Base);
|
| 337 | if (EFI_ERROR(Status)) {
|
| 338 | PrintHeader ('M');
|
| 339 | return Status;
|
| 340 | }
|
| 341 | }
|
| 342 |
|
| 343 | //
|
| 344 | // If raw size is less then virt size, zero fill the remaining
|
| 345 | //
|
| 346 |
|
| 347 | if (Section->SizeOfRawData < Section->Misc.VirtualSize) {
|
| 348 | ZeroMem (
|
| 349 | Base + Section->SizeOfRawData,
|
| 350 | Section->Misc.VirtualSize - Section->SizeOfRawData
|
| 351 | );
|
| 352 | }
|
| 353 |
|
| 354 | //
|
| 355 | // Next Section
|
| 356 | //
|
| 357 |
|
| 358 | Section += 1;
|
| 359 | }
|
| 360 |
|
| 361 | //
|
| 362 | // Copy in CodeView information if it exists
|
| 363 | //
|
| 364 | if (CodeViewSize != 0) {
|
| 365 | Status = EfiLdrPeCoffImageRead (FHand, CodeViewFileOffset, CodeViewSize, Image->ImageBase + CodeViewOffset);
|
| 366 | DebugEntry->RVA = (UINT32) (CodeViewOffset);
|
| 367 | }
|
| 368 |
|
| 369 | //
|
| 370 | // Apply relocations only if needed
|
| 371 | //
|
| 372 | if (PeHdr.Pe32.OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
|
| 373 | ImageBase = (UINT64)PeHdr.Pe32.OptionalHeader.ImageBase;
|
| 374 | } else {
|
| 375 | ImageBase = PeHdr.Pe32Plus.OptionalHeader.ImageBase;
|
| 376 | }
|
| 377 | if ((UINTN)(Image->ImageBase) != (UINTN) (ImageBase)) {
|
| 378 | Status = EfiLdrPeCoffLoadPeRelocate (
|
| 379 | Image,
|
| 380 | &DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_BASERELOC],
|
| 381 | (UINTN) Image->ImageBase - (UINTN)ImageBase,
|
| 382 | NumberOfMemoryMapEntries,
|
| 383 | EfiMemoryDescriptor
|
| 384 | );
|
| 385 |
|
| 386 | if (EFI_ERROR(Status)) {
|
klu2 | 3da85e6 | 2008-04-25 09:30:24 +0000 | [diff] [blame] | 387 | PrintHeader ('N');
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 388 | return Status;
|
| 389 | }
|
| 390 | }
|
| 391 |
|
| 392 | //
|
| 393 | // Use exported EFI specific interface if present, else use the image's entry point
|
| 394 | //
|
| 395 | Image->EntryPoint = (EFI_IMAGE_ENTRY_POINT)(UINTN)
|
| 396 | (EfiLdrPeCoffImageAddress(
|
| 397 | Image,
|
| 398 | PeHdr.Pe32.OptionalHeader.AddressOfEntryPoint
|
| 399 | ));
|
| 400 |
|
| 401 | return Status;
|
| 402 | }
|
| 403 |
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 404 | EFI_STATUS
|
| 405 | EfiLdrPeCoffLoadPeRelocate (
|
| 406 | IN EFILDR_LOADED_IMAGE *Image,
|
| 407 | IN EFI_IMAGE_DATA_DIRECTORY *RelocDir,
|
| 408 | IN UINTN Adjust,
|
| 409 | IN UINTN *NumberOfMemoryMapEntries,
|
| 410 | IN EFI_MEMORY_DESCRIPTOR *EfiMemoryDescriptor
|
| 411 | )
|
| 412 | {
|
| 413 | EFI_IMAGE_BASE_RELOCATION *RelocBase;
|
| 414 | EFI_IMAGE_BASE_RELOCATION *RelocBaseEnd;
|
| 415 | UINT16 *Reloc;
|
| 416 | UINT16 *RelocEnd;
|
| 417 | UINT8 *Fixup;
|
| 418 | UINT8 *FixupBase;
|
| 419 | UINT16 *F16;
|
| 420 | UINT32 *F32;
|
| 421 | UINT64 *F64;
|
| 422 | UINT8 *FixupData;
|
| 423 | UINTN NoFixupPages;
|
| 424 |
|
| 425 | //
|
| 426 | // Find the relocation block
|
| 427 | //
|
| 428 |
|
| 429 | RelocBase = EfiLdrPeCoffImageAddress (Image, RelocDir->VirtualAddress);
|
| 430 | RelocBaseEnd = EfiLdrPeCoffImageAddress (Image, RelocDir->VirtualAddress + RelocDir->Size);
|
| 431 | if (!RelocBase || !RelocBaseEnd) {
|
| 432 | PrintHeader ('O');
|
| 433 | return EFI_LOAD_ERROR;
|
| 434 | }
|
| 435 |
|
| 436 | NoFixupPages = EFI_SIZE_TO_PAGES(RelocDir->Size / sizeof(UINT16) * sizeof(UINTN));
|
| 437 | Image->FixupData = (UINT8*) FindSpace (NoFixupPages, NumberOfMemoryMapEntries, EfiMemoryDescriptor, EfiRuntimeServicesData, EFI_MEMORY_WB);
|
| 438 | if (Image->FixupData == 0) {
|
| 439 | return EFI_OUT_OF_RESOURCES;
|
| 440 | }
|
| 441 |
|
| 442 | //
|
| 443 | // Run the whole relocation block
|
| 444 | //
|
| 445 |
|
| 446 | FixupData = Image->FixupData;
|
| 447 | while (RelocBase < RelocBaseEnd) {
|
| 448 |
|
| 449 | Reloc = (UINT16 *) ((UINT8 *) RelocBase + sizeof(EFI_IMAGE_BASE_RELOCATION));
|
| 450 | RelocEnd = (UINT16 *) ((UINT8 *) RelocBase + RelocBase->SizeOfBlock);
|
| 451 | FixupBase = EfiLdrPeCoffImageAddress (Image, RelocBase->VirtualAddress);
|
| 452 | if ((UINT8 *) RelocEnd < Image->ImageBase || (UINT8 *) RelocEnd > Image->ImageEof) {
|
| 453 | PrintHeader ('P');
|
| 454 | return EFI_LOAD_ERROR;
|
| 455 | }
|
| 456 |
|
| 457 | //
|
| 458 | // Run this relocation record
|
| 459 | //
|
| 460 |
|
| 461 | while (Reloc < RelocEnd) {
|
| 462 |
|
| 463 | Fixup = FixupBase + (*Reloc & 0xFFF);
|
| 464 | switch ((*Reloc) >> 12) {
|
| 465 |
|
| 466 | case EFI_IMAGE_REL_BASED_ABSOLUTE:
|
| 467 | break;
|
| 468 |
|
| 469 | case EFI_IMAGE_REL_BASED_HIGH:
|
| 470 | F16 = (UINT16 *) Fixup;
|
| 471 | *F16 = (UINT16) (*F16 + (UINT16)(((UINT32)Adjust) >> 16));
|
| 472 | if (FixupData != NULL) {
|
| 473 | *(UINT16 *) FixupData = *F16;
|
| 474 | FixupData = FixupData + sizeof(UINT16);
|
| 475 | }
|
| 476 | break;
|
| 477 |
|
| 478 | case EFI_IMAGE_REL_BASED_LOW:
|
| 479 | F16 = (UINT16 *) Fixup;
|
klu2 | e188a60 | 2008-11-26 17:59:34 +0000 | [diff] [blame] | 480 | *F16 = (UINT16) (*F16 + (UINT16) Adjust);
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 481 | if (FixupData != NULL) {
|
| 482 | *(UINT16 *) FixupData = *F16;
|
| 483 | FixupData = FixupData + sizeof(UINT16);
|
| 484 | }
|
| 485 | break;
|
| 486 |
|
| 487 | case EFI_IMAGE_REL_BASED_HIGHLOW:
|
| 488 | F32 = (UINT32 *) Fixup;
|
| 489 | *F32 = *F32 + (UINT32) Adjust;
|
| 490 | if (FixupData != NULL) {
|
| 491 | FixupData = ALIGN_POINTER(FixupData, sizeof(UINT32));
|
| 492 | *(UINT32 *) FixupData = *F32;
|
| 493 | FixupData = FixupData + sizeof(UINT32);
|
| 494 | }
|
| 495 | break;
|
| 496 |
|
| 497 | case EFI_IMAGE_REL_BASED_DIR64:
|
| 498 | F64 = (UINT64 *) Fixup;
|
| 499 | *F64 = *F64 + (UINT64) Adjust;
|
| 500 | if (FixupData != NULL) {
|
| 501 | FixupData = ALIGN_POINTER(FixupData, sizeof(UINT64));
|
| 502 | *(UINT64 *) FixupData = *F64;
|
| 503 | FixupData = FixupData + sizeof(UINT64);
|
| 504 | }
|
| 505 | break;
|
| 506 |
|
| 507 | case EFI_IMAGE_REL_BASED_HIGHADJ:
|
| 508 | CpuDeadLoop(); // BUGBUG: not done
|
| 509 | break;
|
| 510 |
|
| 511 | default:
|
| 512 | // DEBUG((D_LOAD|D_ERROR, "PeRelocate: unknown fixed type\n"));
|
| 513 | PrintHeader ('Q');
|
| 514 | CpuDeadLoop();
|
| 515 | return EFI_LOAD_ERROR;
|
| 516 | }
|
| 517 |
|
| 518 | // Next reloc record
|
| 519 | Reloc += 1;
|
| 520 | }
|
| 521 |
|
| 522 | // next reloc block
|
| 523 | RelocBase = (EFI_IMAGE_BASE_RELOCATION *) RelocEnd;
|
| 524 | }
|
| 525 |
|
| 526 | //
|
| 527 | // Add Fixup data to whole Image (assume Fixup data just below the image), so that there is no hole in the descriptor.
|
| 528 | // Because only NoPages or ImageBasePage will be used in EfiLoader(), we update these 2 fields.
|
| 529 | //
|
| 530 | Image->NoPages += NoFixupPages;
|
| 531 | Image->ImageBasePage -= (NoFixupPages << EFI_PAGE_SHIFT);
|
| 532 |
|
| 533 | return EFI_SUCCESS;
|
| 534 | }
|
| 535 |
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 536 | EFI_STATUS
|
| 537 | EfiLdrPeCoffImageRead (
|
| 538 | IN VOID *FHand,
|
| 539 | IN UINTN Offset,
|
| 540 | IN OUT UINTN ReadSize,
|
| 541 | OUT VOID *Buffer
|
| 542 | )
|
| 543 | {
|
| 544 | CopyMem (Buffer, (VOID *)((UINTN)FHand + Offset), ReadSize);
|
| 545 |
|
| 546 | return EFI_SUCCESS;
|
| 547 | }
|
| 548 |
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 549 | VOID *
|
| 550 | EfiLdrPeCoffImageAddress (
|
| 551 | IN EFILDR_LOADED_IMAGE *Image,
|
| 552 | IN UINTN Address
|
| 553 | )
|
| 554 | {
|
| 555 | UINT8 *FixedAddress;
|
| 556 |
|
| 557 | FixedAddress = Image->ImageAdjust + Address;
|
| 558 |
|
| 559 | if ((FixedAddress < Image->ImageBase) || (FixedAddress > Image->ImageEof)) {
|
| 560 | // DEBUG((D_LOAD|D_ERROR, "PeCoffImageAddress: pointer is outside of image\n"));
|
| 561 | FixedAddress = NULL;
|
| 562 | }
|
| 563 |
|
| 564 | // DEBUG((
|
| 565 | // D_LOAD,
|
| 566 | // "PeCoffImageAddress: ImageBase %x, ImageEof %x, Address %x, FixedAddress %x\n",
|
| 567 | // Image->ImageBase,
|
| 568 | // Image->ImageEof,
|
| 569 | // Address,
|
| 570 | // FixedAddress
|
| 571 | // ));
|
| 572 | return FixedAddress;
|
| 573 | }
|
| 574 |
|
| 575 |
|
| 576 | EFI_STATUS
|
| 577 | EfiLdrPeCoffSetImageType (
|
| 578 | IN OUT EFILDR_LOADED_IMAGE *Image,
|
| 579 | IN UINTN ImageType
|
| 580 | )
|
| 581 | {
|
| 582 | EFI_MEMORY_TYPE CodeType;
|
| 583 | EFI_MEMORY_TYPE DataType;
|
| 584 |
|
| 585 | switch (ImageType) {
|
| 586 | case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION:
|
| 587 | CodeType = EfiLoaderCode;
|
| 588 | DataType = EfiLoaderData;
|
| 589 | break;
|
| 590 |
|
| 591 | case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:
|
| 592 | CodeType = EfiBootServicesCode;
|
| 593 | DataType = EfiBootServicesData;
|
| 594 | break;
|
| 595 |
|
| 596 | case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:
|
| 597 | CodeType = EfiRuntimeServicesCode;
|
| 598 | DataType = EfiRuntimeServicesData;
|
| 599 | break;
|
| 600 |
|
| 601 | default:
|
| 602 | return EFI_INVALID_PARAMETER;
|
| 603 | }
|
| 604 |
|
| 605 | Image->Type = ImageType;
|
| 606 | Image->Info.ImageCodeType = CodeType;
|
| 607 | Image->Info.ImageDataType = DataType;
|
| 608 |
|
| 609 | return EFI_SUCCESS;
|
| 610 | }
|
| 611 |
|
| 612 | EFI_STATUS
|
| 613 | EfiLdrPeCoffCheckImageMachineType (
|
| 614 | IN UINT16 MachineType
|
| 615 | )
|
| 616 | {
|
| 617 | EFI_STATUS Status;
|
| 618 |
|
| 619 | Status = EFI_UNSUPPORTED;
|
| 620 |
|
klu2 | 72be1c7 | 2009-04-16 06:27:51 +0000 | [diff] [blame] | 621 | #ifdef MDE_CPU_IA32
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 622 | if (MachineType == EFI_IMAGE_MACHINE_IA32) {
|
| 623 | Status = EFI_SUCCESS;
|
| 624 | }
|
| 625 | #endif
|
| 626 |
|
klu2 | 72be1c7 | 2009-04-16 06:27:51 +0000 | [diff] [blame] | 627 | #ifdef MDE_CPU_X64
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 628 | if (MachineType == EFI_IMAGE_MACHINE_X64) {
|
| 629 | Status = EFI_SUCCESS;
|
| 630 | }
|
| 631 | #endif
|
| 632 |
|
klu2 | 72be1c7 | 2009-04-16 06:27:51 +0000 | [diff] [blame] | 633 | #ifdef MDE_CPU_IPF
|
klu2 | 9071550 | 2008-04-18 03:09:54 +0000 | [diff] [blame] | 634 | if (MachineType == EFI_IMAGE_MACHINE_IA64) {
|
| 635 | Status = EFI_SUCCESS;
|
| 636 | }
|
| 637 | #endif
|
| 638 |
|
| 639 | return Status;
|
| 640 | }
|
| 641 |
|