ArmPlatformPkg/Bds/BootOptionSupport.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
   4 *
   5 *  This program and the accompanying materials
   6 *  are licensed and made available under the terms and conditions of the BSD License
   7 *  which accompanies this distribution.  The full text of the license may be found at
   8 *  http://opensource.org/licenses/bsd-license.php
   9 *
  10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 *
  13 **/
  14
  15 #include "BdsInternal.h"
  16
  17 #include <Library/NetLib.h>
  18
  19 #include <Protocol/BlockIo.h>
  20 #include <Protocol/DevicePathToText.h>
  21 #include <Protocol/PxeBaseCode.h>
  22 #include <Protocol/SimpleFileSystem.h>
  23 #include <Protocol/SimpleNetwork.h>
  24
  25 #include <Guid/FileSystemInfo.h>
  26
  27 #define IS_DEVICE_PATH_NODE(node,type,subtype) (((node)->Type == (type)) && ((node)->SubType == (subtype)))
  28
  29 EFI_STATUS
  30 BdsLoadOptionFileSystemList (
  31   IN OUT LIST_ENTRY* BdsLoadOptionList
  32   );
  33
  34 EFI_STATUS
  35 BdsLoadOptionFileSystemCreateDevicePath (
  36   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
  37   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
  38   OUT BDS_LOADER_TYPE   *BootType,
  39   OUT UINT32      *Attributes
  40   );
  41
  42 EFI_STATUS
  43 BdsLoadOptionFileSystemUpdateDevicePath (
  44   IN BDS_LOAD_OPTION *BootOption,
  45   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
  46   OUT BDS_LOADER_TYPE *BootType,
  47   OUT UINT32 *Attributes
  48   );
  49
  50 BOOLEAN
  51 BdsLoadOptionFileSystemIsSupported (
  52   IN BDS_LOAD_OPTION* BdsLoadOption
  53   );
  54
  55 EFI_STATUS
  56 BdsLoadOptionMemMapList (
  57   IN OUT LIST_ENTRY* BdsLoadOptionList
  58   );
  59
  60 EFI_STATUS
  61 BdsLoadOptionMemMapCreateDevicePath (
  62   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
  63   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
  64   OUT BDS_LOADER_TYPE   *BootType,
  65   OUT UINT32      *Attributes
  66   );
  67
  68 EFI_STATUS
  69 BdsLoadOptionMemMapUpdateDevicePath (
  70   IN BDS_LOAD_OPTION *BootOption,
  71   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
  72   OUT BDS_LOADER_TYPE *BootType,
  73   OUT UINT32 *Attributes
  74   );
  75
  76 BOOLEAN
  77 BdsLoadOptionMemMapIsSupported (
  78   IN BDS_LOAD_OPTION* BdsLoadOption
  79   );
  80
  81 EFI_STATUS
  82 BdsLoadOptionPxeList (
  83   IN OUT LIST_ENTRY* BdsLoadOptionList
  84   );
  85
  86 EFI_STATUS
  87 BdsLoadOptionPxeCreateDevicePath (
  88   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
  89   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
  90   OUT BDS_LOADER_TYPE   *BootType,
  91   OUT UINT32      *Attributes
  92   );
  93
  94 EFI_STATUS
  95 BdsLoadOptionPxeUpdateDevicePath (
  96   IN BDS_LOAD_OPTION *BootOption,
  97   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
  98   OUT BDS_LOADER_TYPE *BootType,
  99   OUT UINT32 *Attributes
 100   );
 101
 102 BOOLEAN
 103 BdsLoadOptionPxeIsSupported (
 104   IN BDS_LOAD_OPTION* BdsLoadOption
 105   );
 106
 107 EFI_STATUS
 108 BdsLoadOptionTftpList (
 109   IN OUT LIST_ENTRY* BdsLoadOptionList
 110   );
 111
 112 EFI_STATUS
 113 BdsLoadOptionTftpCreateDevicePath (
 114   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
 115   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
 116   OUT BDS_LOADER_TYPE   *BootType,
 117   OUT UINT32      *Attributes
 118   );
 119
 120 EFI_STATUS
 121 BdsLoadOptionTftpUpdateDevicePath (
 122   IN BDS_LOAD_OPTION *BootOption,
 123   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
 124   OUT BDS_LOADER_TYPE *BootType,
 125   OUT UINT32 *Attributes
 126   );
 127
 128 BOOLEAN
 129 BdsLoadOptionTftpIsSupported (
 130   IN BDS_LOAD_OPTION* BdsLoadOption
 131   );
 132
 133 BDS_LOAD_OPTION_SUPPORT BdsLoadOptionSupportList[] = {
 134     {
 135         BDS_DEVICE_FILESYSTEM,
 136         BdsLoadOptionFileSystemList,
 137         BdsLoadOptionFileSystemIsSupported,
 138         BdsLoadOptionFileSystemCreateDevicePath,
 139         BdsLoadOptionFileSystemUpdateDevicePath
 140     },
 141     {
 142         BDS_DEVICE_MEMMAP,
 143         BdsLoadOptionMemMapList,
 144         BdsLoadOptionMemMapIsSupported,
 145         BdsLoadOptionMemMapCreateDevicePath,
 146         BdsLoadOptionMemMapUpdateDevicePath
 147     },
 148     {
 149         BDS_DEVICE_PXE,
 150         BdsLoadOptionPxeList,
 151         BdsLoadOptionPxeIsSupported,
 152         BdsLoadOptionPxeCreateDevicePath,
 153         BdsLoadOptionPxeUpdateDevicePath
 154     },
 155     {
 156         BDS_DEVICE_TFTP,
 157         BdsLoadOptionTftpList,
 158         BdsLoadOptionTftpIsSupported,
 159         BdsLoadOptionTftpCreateDevicePath,
 160         BdsLoadOptionTftpUpdateDevicePath
 161     }
 162 };
 163
 164 EFI_STATUS
 165 BootDeviceListSupportedInit (
 166   IN OUT LIST_ENTRY *SupportedDeviceList
 167   )
 168 {
 169   UINTN   Index;
 170
 171   // Initialize list of supported devices
 172   InitializeListHead (SupportedDeviceList);
 173
 174   for (Index = 0; Index < BDS_DEVICE_MAX; Index++) {
 175     BdsLoadOptionSupportList[Index].ListDevices(SupportedDeviceList);
 176   }
 177
 178   return EFI_SUCCESS;
 179 }
 180
 181 EFI_STATUS
 182 BootDeviceListSupportedFree (
 183   IN LIST_ENTRY *SupportedDeviceList
 184   )
 185 {
 186   LIST_ENTRY  *Entry;
 187   BDS_SUPPORTED_DEVICE* SupportedDevice;
 188
 189   Entry = GetFirstNode (SupportedDeviceList);
 190   while (Entry != SupportedDeviceList) {
 191     SupportedDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
 192     Entry = RemoveEntryList (Entry);
 193     FreePool(SupportedDevice);
 194   }
 195
 196   return EFI_SUCCESS;
 197 }
 198
 199 EFI_STATUS
 200 BootDeviceGetDeviceSupport (
 201   IN  BDS_LOAD_OPTION *BootOption,
 202   OUT BDS_LOAD_OPTION_SUPPORT**  DeviceSupport
 203   )
 204 {
 205   UINTN Index;
 206
 207   // Find which supported device is the most appropriate
 208   for (Index = 0; Index < BDS_DEVICE_MAX; Index++) {
 209     if (BdsLoadOptionSupportList[Index].IsSupported(BootOption)) {
 210       *DeviceSupport = &BdsLoadOptionSupportList[Index];
 211       return EFI_SUCCESS;
 212     }
 213   }
 214
 215   return EFI_UNSUPPORTED;
 216 }
 217
 218 STATIC
 219 EFI_STATUS
 220 BootDeviceGetType (
 221   IN  CHAR16* FileName,
 222   OUT BDS_LOADER_TYPE *BootType,
 223   OUT UINT32 *Attributes
 224   )
 225 {
 226   EFI_STATUS Status;
 227   BOOLEAN IsEfiApp;
 228   BOOLEAN IsBootLoader;
 229   BOOLEAN     HasFDTSupport;
 230
 231   if (FileName == NULL) {
 232     Print(L"Is an EFI Application? ");
 233     Status = GetHIInputBoolean (&IsEfiApp);
 234     if (EFI_ERROR(Status)) {
 235       return EFI_ABORTED;
 236     }
 237   } else if (HasFilePathEfiExtension(FileName)) {
 238     IsEfiApp = TRUE;
 239   } else {
 240     IsEfiApp = FALSE;
 241   }
 242
 243   if (IsEfiApp) {
 244     Print(L"Is your application is an OS loader? ");
 245     Status = GetHIInputBoolean (&IsBootLoader);
 246     if (EFI_ERROR(Status)) {
 247       return EFI_ABORTED;
 248     }
 249     if (!IsBootLoader) {
 250       *Attributes |= LOAD_OPTION_CATEGORY_APP;
 251     }
 252     *BootType = BDS_LOADER_EFI_APPLICATION;
 253   } else {
 254     Print(L"Has FDT support? ");
 255     Status = GetHIInputBoolean (&HasFDTSupport);
 256     if (EFI_ERROR(Status)) {
 257       return EFI_ABORTED;
 258     }
 259     if (HasFDTSupport) {
 260       *BootType = BDS_LOADER_KERNEL_LINUX_FDT;
 261     } else {
 262       *BootType = BDS_LOADER_KERNEL_LINUX_ATAG;
 263     }
 264   }
 265
 266   return EFI_SUCCESS;
 267 }
 268
 269 EFI_STATUS
 270 BdsLoadOptionFileSystemList (
 271   IN OUT LIST_ENTRY* BdsLoadOptionList
 272   )
 273 {
 274   EFI_STATUS                        Status;
 275   UINTN                             HandleCount;
 276   EFI_HANDLE                        *HandleBuffer;
 277   UINTN                             Index;
 278   BDS_SUPPORTED_DEVICE              *SupportedDevice;
 279   EFI_SIMPLE_FILE_SYSTEM_PROTOCOL*  FileProtocol;
 280   EFI_FILE_HANDLE                   Fs;
 281   UINTN                             Size;
 282   EFI_FILE_SYSTEM_INFO*             FsInfo;
 283   EFI_DEVICE_PATH_PROTOCOL*         DevicePathProtocol;
 284
 285   // List all the Simple File System Protocols
 286   Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiSimpleFileSystemProtocolGuid, NULL, &HandleCount, &HandleBuffer);
 287   if (EFI_ERROR (Status)) {
 288     return Status;
 289   }
 290
 291   for (Index = 0; Index < HandleCount; Index++) {
 292     Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
 293     if (!EFI_ERROR(Status)) {
 294       // Allocate BDS Supported Device structure
 295       SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
 296
 297       FileProtocol = NULL;
 298       Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&FileProtocol);
 299       ASSERT_EFI_ERROR(Status);
 300
 301       FileProtocol->OpenVolume (FileProtocol, &Fs);
 302
 303       // Generate a Description from the file system
 304       Size = 0;
 305       FsInfo = NULL;
 306       Status = Fs->GetInfo (Fs, &gEfiFileSystemInfoGuid, &Size, FsInfo);
 307       if (Status == EFI_BUFFER_TOO_SMALL) {
 308         FsInfo = AllocatePool (Size);
 309         Status = Fs->GetInfo (Fs, &gEfiFileSystemInfoGuid, &Size, FsInfo);
 310       }
 311       UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"%s (%d MB)",FsInfo->VolumeLabel,(UINT32)(FsInfo->VolumeSize / (1024 * 1024)));
 312       FreePool(FsInfo);
 313       Fs->Close (Fs);
 314
 315       SupportedDevice->DevicePathProtocol = DevicePathProtocol;
 316       SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_FILESYSTEM];
 317
 318       InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
 319     }
 320   }
 321
 322   return EFI_SUCCESS;
 323 }
 324
 325 EFI_STATUS
 326 BdsLoadOptionFileSystemCreateDevicePath (
 327   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
 328   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
 329   OUT BDS_LOADER_TYPE   *BootType,
 330   OUT UINT32      *Attributes
 331   )
 332 {
 333   EFI_STATUS  Status;
 334   FILEPATH_DEVICE_PATH* FilePathDevicePath;
 335   CHAR8       AsciiBootFilePath[BOOT_DEVICE_FILEPATH_MAX];
 336   CHAR16      *BootFilePath;
 337   UINTN       BootFilePathSize;
 338
 339   Print(L"File path of the EFI Application or the kernel: ");
 340   Status = GetHIInputAscii (AsciiBootFilePath,BOOT_DEVICE_FILEPATH_MAX);
 341   if (EFI_ERROR(Status)) {
 342     return EFI_ABORTED;
 343   }
 344
 345   // Convert Ascii into Unicode
 346   BootFilePath = (CHAR16*)AllocatePool(AsciiStrSize(AsciiBootFilePath) * sizeof(CHAR16));
 347   AsciiStrToUnicodeStr (AsciiBootFilePath, BootFilePath);
 348   BootFilePathSize = StrSize(BootFilePath);
 349
 350   // Create the FilePath Device Path node
 351   FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
 352   FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
 353   FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
 354   SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
 355   CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
 356   FreePool (BootFilePath);
 357
 358   Status = BootDeviceGetType (FilePathDevicePath->PathName, BootType, Attributes);
 359   if (EFI_ERROR(Status)) {
 360     FreePool (FilePathDevicePath);
 361   } else {
 362     *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)FilePathDevicePath;
 363   }
 364
 365   return Status;
 366 }
 367
 368 EFI_STATUS
 369 BdsLoadOptionFileSystemUpdateDevicePath (
 370   IN BDS_LOAD_OPTION *BootOption,
 371   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
 372   OUT BDS_LOADER_TYPE *BootType,
 373   OUT UINT32 *Attributes
 374   )
 375 {
 376   EFI_STATUS  Status;
 377   CHAR8       AsciiBootFilePath[BOOT_DEVICE_FILEPATH_MAX];
 378   CHAR16      *BootFilePath;
 379   UINTN       BootFilePathSize;
 380   FILEPATH_DEVICE_PATH* EndingDevicePath;
 381   FILEPATH_DEVICE_PATH* FilePathDevicePath;
 382   EFI_DEVICE_PATH*  DevicePath;
 383
 384   DevicePath = DuplicateDevicePath (BootOption->FilePathList);
 385   EndingDevicePath = (FILEPATH_DEVICE_PATH*)GetLastDevicePathNode (DevicePath);
 386
 387   Print(L"File path of the EFI Application or the kernel: ");
 388   UnicodeStrToAsciiStr (EndingDevicePath->PathName,AsciiBootFilePath);
 389   Status = EditHIInputAscii(AsciiBootFilePath,BOOT_DEVICE_FILEPATH_MAX);
 390   if (EFI_ERROR(Status)) {
 391     return Status;
 392   }
 393
 394   // Convert Ascii into Unicode
 395   BootFilePath = (CHAR16*)AllocatePool(AsciiStrSize(AsciiBootFilePath) * sizeof(CHAR16));
 396   AsciiStrToUnicodeStr (AsciiBootFilePath, BootFilePath);
 397   BootFilePathSize = StrSize(BootFilePath);
 398
 399   // Create the FilePath Device Path node
 400   FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
 401   FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
 402   FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
 403   SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
 404   CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
 405   FreePool (BootFilePath);
 406
 407   // Generate the new Device Path by replacing the last node by the updated node
 408   SetDevicePathEndNode (EndingDevicePath);
 409   *NewDevicePath = AppendDevicePathNode (DevicePath, (CONST EFI_DEVICE_PATH_PROTOCOL *)FilePathDevicePath);
 410   FreePool(DevicePath);
 411
 412   return BootDeviceGetType (FilePathDevicePath->PathName, BootType, Attributes);
 413 }
 414
 415 BOOLEAN
 416 BdsLoadOptionFileSystemIsSupported (
 417   IN BDS_LOAD_OPTION* BdsLoadOption
 418   )
 419 {
 420   EFI_DEVICE_PATH*  DevicePathNode;
 421
 422   DevicePathNode = GetLastDevicePathNode (BdsLoadOption->FilePathList);
 423
 424   return IS_DEVICE_PATH_NODE(DevicePathNode,MEDIA_DEVICE_PATH,MEDIA_FILEPATH_DP);
 425 }
 426
 427 STATIC
 428 BOOLEAN
 429 IsParentDevicePath (
 430   IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
 431   IN EFI_DEVICE_PATH_PROTOCOL *ChildDevicePath
 432   )
 433 {
 434   UINTN ParentSize;
 435   UINTN ChildSize;
 436
 437   ParentSize = GetDevicePathSize (ParentDevicePath);
 438   ChildSize = GetDevicePathSize (ChildDevicePath);
 439
 440   if (ParentSize > ChildSize) {
 441     return FALSE;
 442   }
 443
 444   if (CompareMem (ParentDevicePath, ChildDevicePath, ParentSize - END_DEVICE_PATH_LENGTH) != 0) {
 445     return FALSE;
 446   }
 447
 448   return TRUE;
 449 }
 450
 451 EFI_STATUS
 452 BdsLoadOptionMemMapList (
 453   IN OUT LIST_ENTRY* BdsLoadOptionList
 454   )
 455 {
 456   EFI_STATUS                        Status;
 457   UINTN                             HandleCount;
 458   EFI_HANDLE                        *HandleBuffer;
 459   UINTN                             DevicePathHandleCount;
 460   EFI_HANDLE                        *DevicePathHandleBuffer;
 461   BOOLEAN                           IsParent;
 462   UINTN                             Index;
 463   UINTN                             Index2;
 464   BDS_SUPPORTED_DEVICE              *SupportedDevice;
 465   EFI_DEVICE_PATH_PROTOCOL*         DevicePathProtocol;
 466   EFI_DEVICE_PATH*                  DevicePath;
 467
 468   // List all the BlockIo Protocols
 469   Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &HandleCount, &HandleBuffer);
 470   if (EFI_ERROR (Status)) {
 471     return Status;
 472   }
 473
 474   for (Index = 0; Index < HandleCount; Index++) {
 475     // We only select the handle WITH a Device Path AND not part of Media (to avoid duplication with HardDisk, CDROM, etc)
 476     Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
 477     if (!EFI_ERROR(Status)) {
 478       // BlockIo is not part of Media Device Path
 479       DevicePath = DevicePathProtocol;
 480       while (!IsDevicePathEndType (DevicePath) && (DevicePathType (DevicePath) != MEDIA_DEVICE_PATH)) {
 481         DevicePath = NextDevicePathNode (DevicePath);
 482       }
 483       if (DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) {
 484         continue;
 485       }
 486
 487       // Open all the handle supporting the DevicePath protocol and verify this handle has not got any child
 488       Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiDevicePathProtocolGuid, NULL, &DevicePathHandleCount, &DevicePathHandleBuffer);
 489       ASSERT_EFI_ERROR (Status);
 490       IsParent = FALSE;
 491       for (Index2 = 0; (Index2 < DevicePathHandleCount) && !IsParent; Index2++) {
 492         if (HandleBuffer[Index] != DevicePathHandleBuffer[Index2]) {
 493           gBS->HandleProtocol (DevicePathHandleBuffer[Index2], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
 494           if (IsParentDevicePath (DevicePathProtocol, DevicePath)) {
 495             IsParent = TRUE;
 496           }
 497         }
 498       }
 499       if (IsParent) {
 500         continue;
 501       }
 502
 503       // Allocate BDS Supported Device structure
 504       SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
 505
 506       Status = GenerateDeviceDescriptionName (HandleBuffer[Index], SupportedDevice->Description);
 507       ASSERT_EFI_ERROR (Status);
 508
 509       SupportedDevice->DevicePathProtocol = DevicePathProtocol;
 510       SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_MEMMAP];
 511
 512       InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
 513     }
 514   }
 515
 516   return EFI_SUCCESS;
 517 }
 518
 519 EFI_STATUS
 520 BdsLoadOptionMemMapCreateDevicePath (
 521   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
 522   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
 523   OUT BDS_LOADER_TYPE   *BootType,
 524   OUT UINT32      *Attributes
 525   )
 526 {
 527   EFI_STATUS  Status;
 528   MEMMAP_DEVICE_PATH* MemMapDevicePath;
 529   CHAR8       AsciiStartingAddress[BOOT_DEVICE_ADDRESS_MAX];
 530   CHAR8       AsciiEndingAddress[BOOT_DEVICE_ADDRESS_MAX];
 531
 532   Print(L"Starting Address of the binary: ");
 533   Status = GetHIInputAscii (AsciiStartingAddress,BOOT_DEVICE_ADDRESS_MAX);
 534   if (EFI_ERROR(Status)) {
 535     return EFI_ABORTED;
 536   }
 537
 538   Print(L"Ending Address of the binary: ");
 539   Status = GetHIInputAscii (AsciiEndingAddress,BOOT_DEVICE_ADDRESS_MAX);
 540   if (EFI_ERROR(Status)) {
 541     return EFI_ABORTED;
 542   }
 543
 544   // Create the MemMap Device Path Node
 545   MemMapDevicePath = (MEMMAP_DEVICE_PATH*)AllocatePool(sizeof(MEMMAP_DEVICE_PATH));
 546   MemMapDevicePath->Header.Type = HARDWARE_DEVICE_PATH;
 547   MemMapDevicePath->Header.SubType = HW_MEMMAP_DP;
 548   MemMapDevicePath->MemoryType = EfiBootServicesData;
 549   MemMapDevicePath->StartingAddress = AsciiStrHexToUint64 (AsciiStartingAddress);
 550   MemMapDevicePath->EndingAddress = AsciiStrHexToUint64 (AsciiEndingAddress);
 551
 552   Status = BootDeviceGetType (NULL, BootType, Attributes);
 553   if (EFI_ERROR(Status)) {
 554     FreePool (MemMapDevicePath);
 555   } else {
 556     *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)MemMapDevicePath;
 557   }
 558
 559   return Status;
 560 }
 561
 562 EFI_STATUS
 563 BdsLoadOptionMemMapUpdateDevicePath (
 564   IN BDS_LOAD_OPTION *BootOption,
 565   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
 566   OUT BDS_LOADER_TYPE *BootType,
 567   OUT UINT32 *Attributes
 568   )
 569 {
 570   ASSERT(0);
 571   //TODO: Implement me
 572   return EFI_SUCCESS;
 573 }
 574
 575 BOOLEAN
 576 BdsLoadOptionMemMapIsSupported (
 577   IN BDS_LOAD_OPTION* BdsLoadOption
 578   )
 579 {
 580   EFI_DEVICE_PATH*  DevicePathNode;
 581
 582   DevicePathNode = GetLastDevicePathNode (BdsLoadOption->FilePathList);
 583
 584   return IS_DEVICE_PATH_NODE(DevicePathNode,HARDWARE_DEVICE_PATH,HW_MEMMAP_DP);
 585 }
 586
 587 EFI_STATUS
 588 BdsLoadOptionPxeList (
 589   IN OUT LIST_ENTRY* BdsLoadOptionList
 590   )
 591 {
 592   EFI_STATUS                        Status;
 593   UINTN                             HandleCount;
 594   EFI_HANDLE                        *HandleBuffer;
 595   UINTN                             Index;
 596   BDS_SUPPORTED_DEVICE              *SupportedDevice;
 597   EFI_DEVICE_PATH_PROTOCOL*         DevicePathProtocol;
 598   EFI_SIMPLE_NETWORK_PROTOCOL*      SimpleNet;
 599   CHAR16                            DeviceDescription[BOOT_DEVICE_DESCRIPTION_MAX];
 600   EFI_MAC_ADDRESS                   *Mac;
 601
 602   // List all the PXE Protocols
 603   Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiPxeBaseCodeProtocolGuid, NULL, &HandleCount, &HandleBuffer);
 604   if (EFI_ERROR (Status)) {
 605     return Status;
 606   }
 607
 608   for (Index = 0; Index < HandleCount; Index++) {
 609     // We only select the handle WITH a Device Path AND the PXE Protocol
 610     Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
 611     if (!EFI_ERROR(Status)) {
 612       // Allocate BDS Supported Device structure
 613       SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
 614
 615       Status = gBS->LocateProtocol (&gEfiSimpleNetworkProtocolGuid, NULL, (VOID **)&SimpleNet);
 616       if (!EFI_ERROR(Status)) {
 617         Mac = &SimpleNet->Mode->CurrentAddress;
 618         UnicodeSPrint (DeviceDescription,BOOT_DEVICE_DESCRIPTION_MAX,L"MAC Address: %02x:%02x:%02x:%02x:%02x:%02x", Mac->Addr[0],  Mac->Addr[1],  Mac->Addr[2],  Mac->Addr[3],  Mac->Addr[4],  Mac->Addr[5]);
 619       } else {
 620         Status = GenerateDeviceDescriptionName (HandleBuffer[Index], DeviceDescription);
 621         ASSERT_EFI_ERROR (Status);
 622       }
 623       UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"PXE on %s",DeviceDescription);
 624
 625       SupportedDevice->DevicePathProtocol = DevicePathProtocol;
 626       SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_PXE];
 627
 628       InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
 629     }
 630   }
 631
 632   return EFI_SUCCESS;
 633 }
 634
 635 EFI_STATUS
 636 BdsLoadOptionPxeCreateDevicePath (
 637   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
 638   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
 639   OUT BDS_LOADER_TYPE   *BootType,
 640   OUT UINT32      *Attributes
 641   )
 642 {
 643   *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH);
 644   SetDevicePathEndNode (*DevicePathNode);
 645   *BootType = BDS_LOADER_EFI_APPLICATION;
 646   return EFI_SUCCESS;
 647 }
 648
 649 EFI_STATUS
 650 BdsLoadOptionPxeUpdateDevicePath (
 651   IN BDS_LOAD_OPTION *BootOption,
 652   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
 653   OUT BDS_LOADER_TYPE *BootType,
 654   OUT UINT32 *Attributes
 655   )
 656 {
 657   ASSERT (0);
 658   return EFI_SUCCESS;
 659 }
 660
 661 BOOLEAN
 662 BdsLoadOptionPxeIsSupported (
 663   IN BDS_LOAD_OPTION* BdsLoadOption
 664   )
 665 {
 666   EFI_STATUS  Status;
 667   EFI_HANDLE Handle;
 668   EFI_DEVICE_PATH_PROTOCOL  *RemainingDevicePath;
 669   EFI_PXE_BASE_CODE_PROTOCOL  *PxeBcProtocol;
 670
 671   Status = BdsConnectDevicePath (BdsLoadOption->FilePathList, &Handle, &RemainingDevicePath);
 672   if (EFI_ERROR(Status)) {
 673     return FALSE;
 674   }
 675
 676   if (!IsDevicePathEnd(RemainingDevicePath)) {
 677     return FALSE;
 678   }
 679
 680   Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);
 681   if (EFI_ERROR (Status)) {
 682     return FALSE;
 683   } else {
 684     return TRUE;
 685   }
 686 }
 687
 688 EFI_STATUS
 689 BdsLoadOptionTftpList (
 690   IN OUT LIST_ENTRY* BdsLoadOptionList
 691   )
 692 {
 693   EFI_STATUS                        Status;
 694   UINTN                             HandleCount;
 695   EFI_HANDLE                        *HandleBuffer;
 696   UINTN                             Index;
 697   BDS_SUPPORTED_DEVICE              *SupportedDevice;
 698   EFI_DEVICE_PATH_PROTOCOL*         DevicePathProtocol;
 699   EFI_SIMPLE_NETWORK_PROTOCOL*      SimpleNet;
 700   CHAR16                            DeviceDescription[BOOT_DEVICE_DESCRIPTION_MAX];
 701   EFI_MAC_ADDRESS                   *Mac;
 702
 703   // List all the PXE Protocols
 704   Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiPxeBaseCodeProtocolGuid, NULL, &HandleCount, &HandleBuffer);
 705   if (EFI_ERROR (Status)) {
 706     return Status;
 707   }
 708
 709   for (Index = 0; Index < HandleCount; Index++) {
 710     // We only select the handle WITH a Device Path AND the PXE Protocol AND the TFTP Protocol (the TFTP protocol is required to start PXE)
 711     Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
 712     if (!EFI_ERROR(Status)) {
 713       // Allocate BDS Supported Device structure
 714       SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
 715
 716       Status = gBS->LocateProtocol (&gEfiSimpleNetworkProtocolGuid, NULL, (VOID **)&SimpleNet);
 717       if (!EFI_ERROR(Status)) {
 718         Mac = &SimpleNet->Mode->CurrentAddress;
 719         UnicodeSPrint (DeviceDescription,BOOT_DEVICE_DESCRIPTION_MAX,L"MAC Address: %02x:%02x:%02x:%02x:%02x:%02x", Mac->Addr[0],  Mac->Addr[1],  Mac->Addr[2],  Mac->Addr[3],  Mac->Addr[4],  Mac->Addr[5]);
 720       } else {
 721         Status = GenerateDeviceDescriptionName (HandleBuffer[Index], DeviceDescription);
 722         ASSERT_EFI_ERROR (Status);
 723       }
 724       UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"TFP on %s",DeviceDescription);
 725
 726       SupportedDevice->DevicePathProtocol = DevicePathProtocol;
 727       SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_TFTP];
 728
 729       InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
 730     }
 731   }
 732
 733   return EFI_SUCCESS;
 734 }
 735
 736 EFI_STATUS
 737 BdsLoadOptionTftpCreateDevicePath (
 738   IN  BDS_SUPPORTED_DEVICE* BdsLoadOption,
 739   OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
 740   OUT BDS_LOADER_TYPE   *BootType,
 741   OUT UINT32      *Attributes
 742   )
 743 {
 744   EFI_STATUS    Status;
 745   BOOLEAN       IsDHCP;
 746   EFI_IP_ADDRESS  LocalIp;
 747   EFI_IP_ADDRESS  RemoteIp;
 748   IPv4_DEVICE_PATH*   IPv4DevicePathNode;
 749   FILEPATH_DEVICE_PATH* FilePathDevicePath;
 750   CHAR8       AsciiBootFilePath[BOOT_DEVICE_FILEPATH_MAX];
 751   CHAR16*     BootFilePath;
 752   UINTN       BootFilePathSize;
 753
 754   Print(L"Get the IP address from DHCP: ");
 755   Status = GetHIInputBoolean (&IsDHCP);
 756   if (EFI_ERROR(Status)) {
 757     return EFI_ABORTED;
 758   }
 759
 760   if (!IsDHCP) {
 761     Print(L"Get the static IP address: ");
 762     Status = GetHIInputIP (&LocalIp);
 763     if (EFI_ERROR(Status)) {
 764       return EFI_ABORTED;
 765     }
 766   }
 767
 768   Print(L"Get the TFTP server IP address: ");
 769   Status = GetHIInputIP (&RemoteIp);
 770   if (EFI_ERROR(Status)) {
 771     return EFI_ABORTED;
 772   }
 773
 774   Print(L"File path of the EFI Application or the kernel: ");
 775   Status = GetHIInputAscii (AsciiBootFilePath,BOOT_DEVICE_FILEPATH_MAX);
 776   if (EFI_ERROR(Status)) {
 777     return EFI_ABORTED;
 778   }
 779
 780   // Convert Ascii into Unicode
 781   BootFilePath = (CHAR16*)AllocatePool(AsciiStrSize(AsciiBootFilePath) * sizeof(CHAR16));
 782   AsciiStrToUnicodeStr (AsciiBootFilePath, BootFilePath);
 783   BootFilePathSize = StrSize(BootFilePath);
 784
 785   // Allocate the memory for the IPv4 + File Path Device Path Nodes
 786   IPv4DevicePathNode = (IPv4_DEVICE_PATH*)AllocatePool(sizeof(IPv4_DEVICE_PATH) + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
 787
 788   // Create the IPv4 Device Path
 789   IPv4DevicePathNode->Header.Type    = MESSAGING_DEVICE_PATH;
 790   IPv4DevicePathNode->Header.SubType = MSG_IPv4_DP;
 791   SetDevicePathNodeLength (&IPv4DevicePathNode->Header, sizeof(IPv4_DEVICE_PATH));
 792   CopyMem (&IPv4DevicePathNode->LocalIpAddress, &LocalIp.v4, sizeof (EFI_IPv4_ADDRESS));
 793   CopyMem (&IPv4DevicePathNode->RemoteIpAddress, &RemoteIp.v4, sizeof (EFI_IPv4_ADDRESS));
 794   IPv4DevicePathNode->LocalPort  = 0;
 795   IPv4DevicePathNode->RemotePort = 0;
 796   IPv4DevicePathNode->Protocol = EFI_IP_PROTO_TCP;
 797   IPv4DevicePathNode->StaticIpAddress = (IsDHCP != TRUE);
 798
 799   // Create the FilePath Device Path node
 800   FilePathDevicePath = (FILEPATH_DEVICE_PATH*)(IPv4DevicePathNode + 1);
 801   FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
 802   FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
 803   SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
 804   CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
 805   FreePool (BootFilePath);
 806
 807   Status = BootDeviceGetType (NULL, BootType, Attributes);
 808   if (EFI_ERROR(Status)) {
 809     FreePool (IPv4DevicePathNode);
 810   } else {
 811     *DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)IPv4DevicePathNode;
 812   }
 813
 814   return Status;
 815 }
 816
 817 EFI_STATUS
 818 BdsLoadOptionTftpUpdateDevicePath (
 819   IN BDS_LOAD_OPTION *BootOption,
 820   OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath,
 821   OUT BDS_LOADER_TYPE *BootType,
 822   OUT UINT32 *Attributes
 823   )
 824 {
 825   ASSERT (0);
 826   return EFI_SUCCESS;
 827 }
 828
 829 BOOLEAN
 830 BdsLoadOptionTftpIsSupported (
 831   IN BDS_LOAD_OPTION* BdsLoadOption
 832   )
 833 {
 834   EFI_STATUS  Status;
 835   EFI_HANDLE Handle;
 836   EFI_DEVICE_PATH  *RemainingDevicePath;
 837   EFI_DEVICE_PATH  *NextDevicePath;
 838   EFI_PXE_BASE_CODE_PROTOCOL  *PxeBcProtocol;
 839
 840   Status = BdsConnectDevicePath (BdsLoadOption->FilePathList, &Handle, &RemainingDevicePath);
 841   if (EFI_ERROR(Status)) {
 842     return FALSE;
 843   }
 844
 845   // Validate the Remaining Device Path
 846   if (IsDevicePathEnd(RemainingDevicePath)) {
 847     return FALSE;
 848   }
 849   if (!IS_DEVICE_PATH_NODE(RemainingDevicePath,MESSAGING_DEVICE_PATH,MSG_IPv4_DP) &&
 850       !IS_DEVICE_PATH_NODE(RemainingDevicePath,MESSAGING_DEVICE_PATH,MSG_IPv6_DP)) {
 851     return FALSE;
 852   }
 853   NextDevicePath = NextDevicePathNode (RemainingDevicePath);
 854   if (IsDevicePathEnd(NextDevicePath)) {
 855     return FALSE;
 856   }
 857   if (!IS_DEVICE_PATH_NODE(NextDevicePath,MEDIA_DEVICE_PATH,MEDIA_FILEPATH_DP)) {
 858     return FALSE;
 859   }
 860
 861   Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);
 862   if (EFI_ERROR (Status)) {
 863     return FALSE;
 864   } else {
 865     return TRUE;
 866   }
 867 }