EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c

   1 /******************************************************************************
   2  * Ventoy.c
   3  *
   4  * Copyright (c) 2020, longpanda <admin@ventoy.net>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 3 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include <Uefi.h>
  22 #include <Library/DebugLib.h>
  23 #include <Library/PrintLib.h>
  24 #include <Library/UefiLib.h>
  25 #include <Library/BaseMemoryLib.h>
  26 #include <Library/DevicePathLib.h>
  27 #include <Library/MemoryAllocationLib.h>
  28 #include <Library/UefiBootServicesTableLib.h>
  29 #include <Library/UefiRuntimeServicesTableLib.h>
  30 #include <Library/UefiApplicationEntryPoint.h>
  31 #include <Protocol/LoadedImage.h>
  32 #include <Guid/FileInfo.h>
  33 #include <Guid/FileSystemInfo.h>
  34 #include <Protocol/BlockIo.h>
  35 #include <Protocol/RamDisk.h>
  36 #include <Protocol/SimpleFileSystem.h>
  37 #include <Ventoy.h>
  38
  39 BOOLEAN gDebugPrint = FALSE;
  40 BOOLEAN gDotEfiBoot = FALSE;
  41 BOOLEAN gLoadIsoEfi = FALSE;
  42 ventoy_ram_disk g_ramdisk_param;
  43 ventoy_chain_head *g_chain;
  44 ventoy_img_chunk *g_chunk;
  45 UINT8 *g_os_param_reserved;
  46 UINT32 g_img_chunk_num;
  47 ventoy_override_chunk *g_override_chunk;
  48 UINT32 g_override_chunk_num;
  49 ventoy_virt_chunk *g_virt_chunk;
  50 UINT32 g_virt_chunk_num;
  51 vtoy_block_data gBlockData;
  52 static grub_env_get_pf grub_env_get = NULL;
  53 static grub_env_set_pf grub_env_set = NULL;
  54
  55 ventoy_grub_param_file_replace *g_file_replace_list = NULL;
  56 ventoy_efi_file_replace g_efi_file_replace;
  57
  58 CONST CHAR16 gIso9660EfiDriverPath[] = ISO9660_EFI_DRIVER_PATH;
  59
  60 BOOLEAN g_fix_windows_1st_cdrom_issue = FALSE;
  61
  62 STATIC BOOLEAN g_hook_keyboard = FALSE;
  63
  64 CHAR16 gFirstTryBootFile[256] = {0};
  65
  66 /* Boot filename */
  67 UINTN gBootFileStartIndex = 1;
  68 CONST CHAR16 *gEfiBootFileName[] =
  69 {
  70     L"@",
  71     EFI_REMOVABLE_MEDIA_FILE_NAME,
  72     L"\\EFI\\BOOT\\GRUBX64.EFI",
  73     L"\\EFI\\BOOT\\BOOTx64.EFI",
  74     L"\\EFI\\BOOT\\bootx64.efi",
  75     L"\\efi\\boot\\bootx64.efi",
  76 };
  77
  78 VOID EFIAPI VtoyDebug(IN CONST CHAR8  *Format, ...)
  79 {
  80     VA_LIST  Marker;
  81     CHAR16   Buffer[512];
  82
  83     VA_START (Marker, Format);
  84     UnicodeVSPrintAsciiFormat(Buffer, sizeof(Buffer), Format, Marker);
  85     VA_END (Marker);
  86
  87     gST->ConOut->OutputString(gST->ConOut, Buffer);
  88 }
  89
  90 VOID EFIAPI ventoy_clear_input(VOID)
  91 {
  92     EFI_INPUT_KEY Key;
  93
  94     gST->ConIn->Reset(gST->ConIn, FALSE);
  95     while (EFI_SUCCESS == gST->ConIn->ReadKeyStroke(gST->ConIn, &Key))
  96     {
  97         ;
  98     }
  99     gST->ConIn->Reset(gST->ConIn, FALSE);
 100 }
 101
 102 static void EFIAPI ventoy_dump_img_chunk(ventoy_chain_head *chain)
 103 {
 104     UINT32 i;
 105     int errcnt = 0;
 106     UINT64 img_sec = 0;
 107     ventoy_img_chunk *chunk;
 108
 109     chunk = (ventoy_img_chunk *)((char *)chain + chain->img_chunk_offset);
 110
 111     debug("##################### ventoy_dump_img_chunk #######################");
 112
 113     for (i = 0; i < chain->img_chunk_num; i++)
 114     {
 115         debug("%2u: [ %u - %u ] <==> [ %llu - %llu ]",
 116                i, chunk[i].img_start_sector, chunk[i].img_end_sector,
 117                chunk[i].disk_start_sector, chunk[i].disk_end_sector);
 118
 119         if (i > 0 && (chunk[i].img_start_sector != chunk[i - 1].img_end_sector + 1))
 120         {
 121             errcnt++;
 122         }
 123
 124         img_sec += chunk[i].img_end_sector - chunk[i].img_start_sector + 1;
 125     }
 126
 127     if (errcnt == 0 && (img_sec * 2048 == g_chain->real_img_size_in_bytes))
 128     {
 129         debug("image chunk size check success");
 130     }
 131     else
 132     {
 133         debug("image chunk size check failed %d", errcnt);
 134     }
 135
 136     ventoy_debug_pause();
 137 }
 138
 139 static void EFIAPI ventoy_dump_override_chunk(ventoy_chain_head *chain)
 140 {
 141     UINT32 i;
 142     ventoy_override_chunk *chunk;
 143
 144     chunk = (ventoy_override_chunk *)((char *)chain + chain->override_chunk_offset);
 145
 146     debug("##################### ventoy_dump_override_chunk #######################");
 147
 148     for (i = 0; i < g_override_chunk_num; i++)
 149     {
 150         debug("%2u: [ %llu, %u ]", i, chunk[i].img_offset, chunk[i].override_size);
 151     }
 152
 153     ventoy_debug_pause();
 154 }
 155
 156 static void EFIAPI ventoy_dump_virt_chunk(ventoy_chain_head *chain)
 157 {
 158     UINT32 i;
 159     ventoy_virt_chunk *node;
 160
 161     debug("##################### ventoy_dump_virt_chunk #######################");
 162     debug("virt_chunk_offset=%u", chain->virt_chunk_offset);
 163     debug("virt_chunk_num=%u",    chain->virt_chunk_num);
 164
 165     node = (ventoy_virt_chunk *)((char *)chain + chain->virt_chunk_offset);
 166     for (i = 0; i < chain->virt_chunk_num; i++, node++)
 167     {
 168         debug("%2u: mem:[ %u, %u, %u ]  remap:[ %u, %u, %u ]", i,
 169                node->mem_sector_start,
 170                node->mem_sector_end,
 171                node->mem_sector_offset,
 172                node->remap_sector_start,
 173                node->remap_sector_end,
 174                node->org_sector_start);
 175     }
 176
 177     ventoy_debug_pause();
 178 }
 179
 180 static void EFIAPI ventoy_dump_chain(ventoy_chain_head *chain)
 181 {
 182     UINT32 i = 0;
 183     UINT8 chksum = 0;
 184     UINT8 *guid;
 185
 186     guid = chain->os_param.vtoy_disk_guid;
 187     for (i = 0; i < sizeof(ventoy_os_param); i++)
 188     {
 189         chksum += *((UINT8 *)(&(chain->os_param)) + i);
 190     }
 191
 192     debug("##################### ventoy_dump_chain #######################");
 193
 194     debug("os_param->chksum=0x%x (%a)", chain->os_param.chksum, chksum ? "FAILED" : "SUCCESS");
 195     debug("os_param->vtoy_disk_guid=%02x%02x%02x%02x", guid[0], guid[1], guid[2], guid[3]);
 196     debug("os_param->vtoy_disk_size=%llu",     chain->os_param.vtoy_disk_size);
 197     debug("os_param->vtoy_disk_part_id=%u",    chain->os_param.vtoy_disk_part_id);
 198     debug("os_param->vtoy_disk_part_type=%u",  chain->os_param.vtoy_disk_part_type);
 199     debug("os_param->vtoy_img_path=<%a>",      chain->os_param.vtoy_img_path);
 200     debug("os_param->vtoy_img_size=<%llu>",    chain->os_param.vtoy_img_size);
 201     debug("os_param->vtoy_img_location_addr=<0x%llx>", chain->os_param.vtoy_img_location_addr);
 202     debug("os_param->vtoy_img_location_len=<%u>",    chain->os_param.vtoy_img_location_len);
 203     debug("os_param->vtoy_reserved=<%u %u %u %u %u>",
 204           g_os_param_reserved[0],
 205           g_os_param_reserved[1],
 206           g_os_param_reserved[2],
 207           g_os_param_reserved[3],
 208           g_os_param_reserved[4]
 209           );
 210
 211     ventoy_debug_pause();
 212
 213     debug("chain->disk_drive=0x%x",          chain->disk_drive);
 214     debug("chain->disk_sector_size=%u",      chain->disk_sector_size);
 215     debug("chain->real_img_size_in_bytes=%llu",   chain->real_img_size_in_bytes);
 216     debug("chain->virt_img_size_in_bytes=%llu", chain->virt_img_size_in_bytes);
 217     debug("chain->boot_catalog=%u",          chain->boot_catalog);
 218     debug("chain->img_chunk_offset=%u",      chain->img_chunk_offset);
 219     debug("chain->img_chunk_num=%u",         chain->img_chunk_num);
 220     debug("chain->override_chunk_offset=%u", chain->override_chunk_offset);
 221     debug("chain->override_chunk_num=%u",    chain->override_chunk_num);
 222
 223     ventoy_debug_pause();
 224
 225     ventoy_dump_img_chunk(chain);
 226     ventoy_dump_override_chunk(chain);
 227     ventoy_dump_virt_chunk(chain);
 228 }
 229
 230 static int ventoy_update_image_location(ventoy_os_param *param)
 231 {
 232     EFI_STATUS Status = EFI_SUCCESS;
 233     UINT8 chksum = 0;
 234     unsigned int i;
 235     unsigned int length;
 236     UINTN address = 0;
 237     void *buffer = NULL;
 238     ventoy_image_location *location = NULL;
 239     ventoy_image_disk_region *region = NULL;
 240     ventoy_img_chunk *chunk = g_chunk;
 241
 242     length = sizeof(ventoy_image_location) + (g_img_chunk_num - 1) * sizeof(ventoy_image_disk_region);
 243
 244     Status = gBS->AllocatePool(EfiRuntimeServicesData, length + 4096 * 2, &buffer);
 245     if (EFI_ERROR(Status) || NULL == buffer)
 246     {
 247         debug("Failed to allocate runtime pool %r\n", Status);
 248         return 1;
 249     }
 250
 251     address = (UINTN)buffer;
 252
 253     if (address % 4096)
 254     {
 255         address += 4096 - (address % 4096);
 256     }
 257
 258     param->chksum = 0;
 259     param->vtoy_img_location_addr = address;
 260     param->vtoy_img_location_len = length;
 261
 262     /* update check sum */
 263     for (i = 0; i < sizeof(ventoy_os_param); i++)
 264     {
 265         chksum += *((UINT8 *)param + i);
 266     }
 267     param->chksum = (chksum == 0) ? 0 : (UINT8)(0x100 - chksum);
 268
 269     location = (ventoy_image_location *)(unsigned long)(param->vtoy_img_location_addr);
 270     if (NULL == location)
 271     {
 272         return 0;
 273     }
 274
 275     CopyMem(&location->guid, &param->guid, sizeof(ventoy_guid));
 276     location->image_sector_size = 2048;
 277     location->disk_sector_size  = g_chain->disk_sector_size;
 278     location->region_count = g_img_chunk_num;
 279
 280     region = location->regions;
 281
 282     for (i = 0; i < g_img_chunk_num; i++)
 283     {
 284         region->image_sector_count = chunk->img_end_sector - chunk->img_start_sector + 1;
 285         region->image_start_sector = chunk->img_start_sector;
 286         region->disk_start_sector  = chunk->disk_start_sector;
 287         region++;
 288         chunk++;
 289     }
 290
 291     return 0;
 292 }
 293
 294 EFI_HANDLE EFIAPI ventoy_get_parent_handle(IN EFI_DEVICE_PATH_PROTOCOL *pDevPath)
 295 {
 296     EFI_HANDLE Handle = NULL;
 297     EFI_STATUS Status = EFI_SUCCESS;
 298     EFI_DEVICE_PATH_PROTOCOL *pLastNode = NULL;
 299     EFI_DEVICE_PATH_PROTOCOL *pCurNode = NULL;
 300     EFI_DEVICE_PATH_PROTOCOL *pTmpDevPath = NULL;
 301
 302     pTmpDevPath = DuplicateDevicePath(pDevPath);
 303     if (!pTmpDevPath)
 304     {
 305         return NULL;
 306     }
 307
 308     pCurNode = pTmpDevPath;
 309     while (!IsDevicePathEnd(pCurNode))
 310     {
 311         pLastNode = pCurNode;
 312         pCurNode = NextDevicePathNode(pCurNode);
 313     }
 314     if (pLastNode)
 315     {
 316         CopyMem(pLastNode, pCurNode, sizeof(EFI_DEVICE_PATH_PROTOCOL));
 317     }
 318
 319     pCurNode = pTmpDevPath;
 320     Status = gBS->LocateDevicePath(&gEfiDevicePathProtocolGuid, &pCurNode, &Handle);
 321     debug("Status:%r Parent Handle:%p DP:%s", Status, Handle, ConvertDevicePathToText(pTmpDevPath, FALSE, FALSE));
 322
 323     FreePool(pTmpDevPath);
 324
 325     return Handle;
 326 }
 327
 328 EFI_STATUS EFIAPI ventoy_save_ramdisk_param(VOID)
 329 {
 330     EFI_STATUS Status = EFI_SUCCESS;
 331     EFI_GUID VarGuid = VENTOY_GUID;
 332
 333     Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
 334                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 335                   sizeof(g_ramdisk_param), &(g_ramdisk_param));
 336     debug("set ramdisk variable %r", Status);
 337
 338     return Status;
 339 }
 340
 341 EFI_STATUS EFIAPI ventoy_delete_ramdisk_param(VOID)
 342 {
 343     EFI_STATUS Status = EFI_SUCCESS;
 344     EFI_GUID VarGuid = VENTOY_GUID;
 345
 346     Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
 347                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 348                   0, NULL);
 349     debug("delete efi variable %r", Status);
 350
 351     return Status;
 352 }
 353
 354
 355 EFI_STATUS EFIAPI ventoy_save_variable(VOID)
 356 {
 357     EFI_STATUS Status = EFI_SUCCESS;
 358     EFI_GUID VarGuid = VENTOY_GUID;
 359
 360     Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid,
 361                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 362                   sizeof(g_chain->os_param), &(g_chain->os_param));
 363     debug("set efi variable %r", Status);
 364
 365     return Status;
 366 }
 367
 368 EFI_STATUS EFIAPI ventoy_delete_variable(VOID)
 369 {
 370     EFI_STATUS Status = EFI_SUCCESS;
 371     EFI_GUID VarGuid = VENTOY_GUID;
 372
 373     Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid,
 374                   EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 375                   0, NULL);
 376     debug("delete efi variable %r", Status);
 377
 378     return Status;
 379 }
 380
 381 STATIC EFI_STATUS EFIAPI ventoy_load_image
 382 (
 383     IN EFI_HANDLE ImageHandle,
 384     IN EFI_DEVICE_PATH_PROTOCOL *pDevicePath,
 385     IN CONST CHAR16 *FileName,
 386     IN UINTN FileNameLen,
 387     OUT EFI_HANDLE *Image
 388 )
 389 {
 390     EFI_STATUS Status = EFI_SUCCESS;
 391     CHAR16 TmpBuf[256] = {0};
 392     FILEPATH_DEVICE_PATH *pFilePath = NULL;
 393     EFI_DEVICE_PATH_PROTOCOL *pImgPath = NULL;
 394
 395     pFilePath = (FILEPATH_DEVICE_PATH *)TmpBuf;
 396     pFilePath->Header.Type = MEDIA_DEVICE_PATH;
 397     pFilePath->Header.SubType = MEDIA_FILEPATH_DP;
 398     pFilePath->Header.Length[0] = FileNameLen + sizeof(EFI_DEVICE_PATH_PROTOCOL);
 399     pFilePath->Header.Length[1] = 0;
 400     CopyMem(pFilePath->PathName, FileName, FileNameLen);
 401
 402     pImgPath = AppendDevicePathNode(pDevicePath, (EFI_DEVICE_PATH_PROTOCOL *)pFilePath);
 403     if (!pImgPath)
 404     {
 405         return EFI_NOT_FOUND;
 406     }
 407
 408     Status = gBS->LoadImage(FALSE, ImageHandle, pImgPath, NULL, 0, Image);
 409
 410     debug("Load Image File %r DP: <%s>", Status, ConvertDevicePathToText(pImgPath, FALSE, FALSE));
 411
 412     FreePool(pImgPath);
 413
 414     return Status;
 415 }
 416
 417
 418 STATIC EFI_STATUS EFIAPI ventoy_find_iso_disk(IN EFI_HANDLE ImageHandle)
 419 {
 420     UINTN i = 0;
 421     UINTN Count = 0;
 422     UINT64 DiskSize = 0;
 423     UINT8 *pBuffer = NULL;
 424     EFI_HANDLE *Handles;
 425     EFI_STATUS Status = EFI_SUCCESS;
 426     EFI_BLOCK_IO_PROTOCOL *pBlockIo;
 427
 428     pBuffer = AllocatePool(2048);
 429     if (!pBuffer)
 430     {
 431         return EFI_OUT_OF_RESOURCES;
 432     }
 433
 434     Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiBlockIoProtocolGuid,
 435                                      NULL, &Count, &Handles);
 436     if (EFI_ERROR(Status))
 437     {
 438         FreePool(pBuffer);
 439         return Status;
 440     }
 441
 442     for (i = 0; i < Count; i++)
 443     {
 444         Status = gBS->HandleProtocol(Handles[i], &gEfiBlockIoProtocolGuid, (VOID **)&pBlockIo);
 445         if (EFI_ERROR(Status))
 446         {
 447             continue;
 448         }
 449
 450         DiskSize = (pBlockIo->Media->LastBlock + 1) * pBlockIo->Media->BlockSize;
 451         debug("This Disk size: %llu", DiskSize);
 452         if (g_chain->os_param.vtoy_disk_size != DiskSize)
 453         {
 454             continue;
 455         }
 456
 457         Status = pBlockIo->ReadBlocks(pBlockIo, pBlockIo->Media->MediaId, 0, 512, pBuffer);
 458         if (EFI_ERROR(Status))
 459         {
 460             debug("ReadBlocks filed %r", Status);
 461             continue;
 462         }
 463
 464         if (CompareMem(g_chain->os_param.vtoy_disk_guid, pBuffer + 0x180, 16) == 0)
 465         {
 466             gBlockData.RawBlockIoHandle = Handles[i];
 467             gBlockData.pRawBlockIo = pBlockIo;
 468             gBS->OpenProtocol(Handles[i], &gEfiDevicePathProtocolGuid,
 469                               (VOID **)&(gBlockData.pDiskDevPath),
 470                               ImageHandle,
 471                               Handles[i],
 472                               EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 473
 474             debug("Find Ventoy Disk Handle:%p DP:%s", Handles[i],
 475                 ConvertDevicePathToText(gBlockData.pDiskDevPath, FALSE, FALSE));
 476             break;
 477         }
 478     }
 479
 480     FreePool(Handles);
 481
 482     if (i >= Count)
 483     {
 484         return EFI_NOT_FOUND;
 485     }
 486     else
 487     {
 488         return EFI_SUCCESS;
 489     }
 490 }
 491
 492
 493 STATIC EFI_STATUS EFIAPI ventoy_find_iso_disk_fs(IN EFI_HANDLE ImageHandle)
 494 {
 495     UINTN i = 0;
 496     UINTN Count = 0;
 497     EFI_HANDLE Parent = NULL;
 498     EFI_HANDLE *Handles = NULL;
 499     EFI_STATUS Status = EFI_SUCCESS;
 500     EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *pFile = NULL;
 501     EFI_DEVICE_PATH_PROTOCOL *pDevPath = NULL;
 502
 503     Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiSimpleFileSystemProtocolGuid,
 504                                      NULL, &Count, &Handles);
 505     if (EFI_ERROR(Status))
 506     {
 507         return Status;
 508     }
 509
 510     debug("ventoy_find_iso_disk_fs fs count:%u", Count);
 511
 512     for (i = 0; i < Count; i++)
 513     {
 514         Status = gBS->HandleProtocol(Handles[i], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&pFile);
 515         if (EFI_ERROR(Status))
 516         {
 517             continue;
 518         }
 519
 520         Status = gBS->OpenProtocol(Handles[i], &gEfiDevicePathProtocolGuid,
 521                                    (VOID **)&pDevPath,
 522                                    ImageHandle,
 523                                    Handles[i],
 524                                    EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 525         if (EFI_ERROR(Status))
 526         {
 527             debug("Failed to open device path protocol %r", Status);
 528             continue;
 529         }
 530
 531         debug("Handle:%p FS DP: <%s>", Handles[i], ConvertDevicePathToText(pDevPath, FALSE, FALSE));
 532         Parent = ventoy_get_parent_handle(pDevPath);
 533
 534         if (Parent == gBlockData.RawBlockIoHandle)
 535         {
 536             debug("Find ventoy disk fs");
 537             gBlockData.DiskFsHandle = Handles[i];
 538             gBlockData.pDiskFs = pFile;
 539             gBlockData.pDiskFsDevPath = pDevPath;
 540             break;
 541         }
 542     }
 543
 544     FreePool(Handles);
 545
 546     return EFI_SUCCESS;
 547 }
 548
 549 STATIC EFI_STATUS EFIAPI ventoy_load_isoefi_driver(IN EFI_HANDLE ImageHandle)
 550 {
 551     EFI_HANDLE Image = NULL;
 552     EFI_STATUS Status = EFI_SUCCESS;
 553     CHAR16 LogVar[4] = L"5";
 554
 555     Status = ventoy_load_image(ImageHandle, gBlockData.pDiskFsDevPath,
 556                                gIso9660EfiDriverPath,
 557                                sizeof(gIso9660EfiDriverPath),
 558                                &Image);
 559     debug("load iso efi driver status:%r", Status);
 560
 561     if (gDebugPrint)
 562     {
 563         gRT->SetVariable(L"FS_LOGGING", &gShellVariableGuid,
 564                          EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 565                          sizeof(LogVar), LogVar);
 566     }
 567
 568     gRT->SetVariable(L"FS_NAME_NOCASE", &gShellVariableGuid,
 569                      EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 570                      sizeof(LogVar), LogVar);
 571
 572     gBlockData.IsoDriverImage = Image;
 573     Status = gBS->StartImage(Image, NULL, NULL);
 574     debug("Start iso efi driver status:%r", Status);
 575
 576     return EFI_SUCCESS;
 577 }
 578
 579 STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
 580 {
 581     UINT32 i = 0;
 582     UINT32 old_cnt = 0;
 583     UINTN size = 0;
 584     UINT8 chksum = 0;
 585     CHAR16 *pPos = NULL;
 586     CHAR16 *pCmdLine = NULL;
 587     EFI_STATUS Status = EFI_SUCCESS;
 588     ventoy_grub_param *pGrubParam = NULL;
 589     EFI_LOADED_IMAGE_PROTOCOL *pImageInfo = NULL;
 590     ventoy_chain_head *chain = NULL;
 591
 592     Status = gBS->HandleProtocol(ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **)&pImageInfo);
 593     if (EFI_ERROR(Status))
 594     {
 595         VtoyDebug("Failed to handle load image protocol %r", Status);
 596         return Status;
 597     }
 598
 599     pCmdLine = (CHAR16 *)AllocatePool(pImageInfo->LoadOptionsSize + 4);
 600     SetMem(pCmdLine, pImageInfo->LoadOptionsSize + 4, 0);
 601     CopyMem(pCmdLine, pImageInfo->LoadOptions, pImageInfo->LoadOptionsSize);
 602
 603     if (StrStr(pCmdLine, L"debug"))
 604     {
 605         gDebugPrint = TRUE;
 606     }
 607
 608     if (StrStr(pCmdLine, L"dotefi"))
 609     {
 610         gDotEfiBoot = TRUE;
 611     }
 612
 613     if (StrStr(pCmdLine, L"isoefi=on"))
 614     {
 615         gLoadIsoEfi = TRUE;
 616     }
 617
 618     pPos = StrStr(pCmdLine, L"FirstTry=@");
 619     if (pPos)
 620     {
 621         pPos += StrLen(L"FirstTry=");
 622         for (i = 0; i < ARRAY_SIZE(gFirstTryBootFile); i++, pPos++)
 623         {
 624             if (*pPos != L' ' && *pPos != L'\t' && *pPos)
 625             {
 626                 gFirstTryBootFile[i] = (*pPos == '@') ? '\\' : *pPos;
 627             }
 628             else
 629             {
 630                 break;
 631             }
 632         }
 633
 634         gEfiBootFileName[0] = gFirstTryBootFile;
 635         gBootFileStartIndex = 0;
 636     }
 637
 638     debug("cmdline:<%s>", pCmdLine);
 639
 640     if (gFirstTryBootFile[0])
 641     {
 642         debug("First Try:<%s>", gFirstTryBootFile);
 643     }
 644
 645     pPos = StrStr(pCmdLine, L"env_param=");
 646     if (!pPos)
 647     {
 648         return EFI_INVALID_PARAMETER;
 649     }
 650
 651     pGrubParam = (ventoy_grub_param *)StrHexToUintn(pPos + StrLen(L"env_param="));
 652     grub_env_get = pGrubParam->grub_env_get;
 653     grub_env_set = pGrubParam->grub_env_set;
 654
 655     g_file_replace_list = &pGrubParam->file_replace;
 656     old_cnt = g_file_replace_list->old_file_cnt;
 657     debug("file replace: magic:0x%x virtid:%u name count:%u <%a> <%a> <%a> <%a>",
 658         g_file_replace_list->magic,
 659         g_file_replace_list->new_file_virtual_id,
 660         old_cnt,
 661         old_cnt > 0 ? g_file_replace_list->old_file_name[0] : "",
 662         old_cnt > 1 ? g_file_replace_list->old_file_name[1] : "",
 663         old_cnt > 2 ? g_file_replace_list->old_file_name[2] : "",
 664         old_cnt > 3 ? g_file_replace_list->old_file_name[3] : ""
 665         );
 666
 667     pPos = StrStr(pCmdLine, L"mem:");
 668     chain = (ventoy_chain_head *)StrHexToUintn(pPos + 4);
 669
 670     pPos = StrStr(pPos, L"size:");
 671     size = StrDecimalToUintn(pPos + 5);
 672
 673     debug("memory addr:%p size:%lu", chain, size);
 674
 675     if (StrStr(pCmdLine, L"sector512"))
 676     {
 677         gSector512Mode = TRUE;
 678     }
 679
 680     if (StrStr(pCmdLine, L"memdisk"))
 681     {
 682         g_iso_data_buf = (UINT8 *)chain + sizeof(ventoy_chain_head);
 683         g_iso_buf_size = size - sizeof(ventoy_chain_head);
 684         debug("memdisk mode iso_buf_size:%u", g_iso_buf_size);
 685
 686         g_chain = chain;
 687         gMemdiskMode = TRUE;
 688     }
 689     else
 690     {
 691         debug("This is normal mode");
 692         g_chain = AllocatePool(size);
 693         CopyMem(g_chain, chain, size);
 694
 695         g_chunk = (ventoy_img_chunk *)((char *)g_chain + g_chain->img_chunk_offset);
 696         g_img_chunk_num = g_chain->img_chunk_num;
 697         g_override_chunk = (ventoy_override_chunk *)((char *)g_chain + g_chain->override_chunk_offset);
 698         g_override_chunk_num = g_chain->override_chunk_num;
 699         g_virt_chunk = (ventoy_virt_chunk *)((char *)g_chain + g_chain->virt_chunk_offset);
 700         g_virt_chunk_num = g_chain->virt_chunk_num;
 701
 702         g_os_param_reserved = (UINT8 *)(g_chain->os_param.vtoy_reserved);
 703
 704         /* Workaround for Windows & ISO9660 */
 705         if (g_os_param_reserved[2] == ventoy_chain_windows && g_os_param_reserved[3] == 0)
 706         {
 707             g_fixup_iso9660_secover_enable = TRUE;
 708         }
 709
 710         if (g_os_param_reserved[2] == ventoy_chain_windows && g_os_param_reserved[4] != 1)
 711         {
 712             g_hook_keyboard = TRUE;
 713         }
 714
 715         debug("internal param: secover:%u keyboard:%u", g_fixup_iso9660_secover_enable, g_hook_keyboard);
 716
 717         for (i = 0; i < sizeof(ventoy_os_param); i++)
 718         {
 719             chksum += *((UINT8 *)(&(g_chain->os_param)) + i);
 720         }
 721
 722         if (gDebugPrint)
 723         {
 724             debug("os param checksum: 0x%x %a", g_chain->os_param.chksum, chksum ? "FAILED" : "SUCCESS");
 725         }
 726
 727         ventoy_update_image_location(&(g_chain->os_param));
 728
 729         if (gDebugPrint)
 730         {
 731             ventoy_dump_chain(g_chain);
 732         }
 733     }
 734
 735     g_fix_windows_1st_cdrom_issue = FALSE;
 736     if (ventoy_chain_windows == g_os_param_reserved[2] ||
 737         ventoy_chain_wim == g_os_param_reserved[2])
 738     {
 739         if (ventoy_is_cdrom_dp_exist())
 740         {
 741             debug("fixup the 1st cdrom influences when boot windows ...");
 742             g_fix_windows_1st_cdrom_issue = TRUE;
 743         }
 744     }
 745
 746     ventoy_debug_pause();
 747
 748     FreePool(pCmdLine);
 749     return EFI_SUCCESS;
 750 }
 751
 752 EFI_STATUS EFIAPI ventoy_clean_env(VOID)
 753 {
 754     FreePool(g_sector_flag);
 755     g_sector_flag_num = 0;
 756
 757     if (gLoadIsoEfi && gBlockData.IsoDriverImage)
 758     {
 759         gBS->UnloadImage(gBlockData.IsoDriverImage);
 760     }
 761
 762     gBS->DisconnectController(gBlockData.Handle, NULL, NULL);
 763
 764     gBS->UninstallMultipleProtocolInterfaces(gBlockData.Handle,
 765             &gEfiBlockIoProtocolGuid, &gBlockData.BlockIo,
 766             &gEfiDevicePathProtocolGuid, gBlockData.Path,
 767             NULL);
 768
 769     ventoy_delete_variable();
 770
 771     if (g_chain->os_param.vtoy_img_location_addr)
 772     {
 773         FreePool((VOID *)(UINTN)g_chain->os_param.vtoy_img_location_addr);
 774     }
 775
 776     FreePool(g_chain);
 777
 778     return EFI_SUCCESS;
 779 }
 780
 781 STATIC EFI_STATUS ventoy_hook_start(VOID)
 782 {
 783     /* don't add debug print in this function */
 784
 785     if (g_fix_windows_1st_cdrom_issue)
 786     {
 787         ventoy_hook_1st_cdrom_start();
 788     }
 789
 790     /* let this the last */
 791     if (g_hook_keyboard)
 792     {
 793         ventoy_hook_keyboard_start();
 794     }
 795
 796     return EFI_SUCCESS;
 797 }
 798
 799 STATIC EFI_STATUS ventoy_hook_stop(VOID)
 800 {
 801     /* don't add debug print in this function */
 802
 803     if (g_fix_windows_1st_cdrom_issue)
 804     {
 805         ventoy_hook_1st_cdrom_stop();
 806     }
 807
 808     /* let this the last */
 809     if (g_hook_keyboard)
 810     {
 811         ventoy_hook_keyboard_stop();
 812     }
 813
 814     return EFI_SUCCESS;
 815 }
 816
 817 EFI_STATUS EFIAPI ventoy_boot(IN EFI_HANDLE ImageHandle)
 818 {
 819     UINTN t = 0;
 820     UINTN i = 0;
 821     UINTN j = 0;
 822     UINTN Find = 0;
 823     UINTN Count = 0;
 824     EFI_HANDLE Image = NULL;
 825     EFI_HANDLE *Handles = NULL;
 826     EFI_STATUS Status = EFI_SUCCESS;
 827     EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *pFile = NULL;
 828     EFI_DEVICE_PATH_PROTOCOL *pDevPath = NULL;
 829
 830     for (t = 0; t < 3; t++)
 831     {
 832         Count = 0;
 833         Handles = NULL;
 834
 835         Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiSimpleFileSystemProtocolGuid,
 836                                      NULL, &Count, &Handles);
 837         if (EFI_ERROR(Status))
 838         {
 839             return Status;
 840         }
 841
 842         debug("ventoy_boot fs count:%u", Count);
 843
 844         for (i = 0; i < Count; i++)
 845         {
 846             Status = gBS->HandleProtocol(Handles[i], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&pFile);
 847             if (EFI_ERROR(Status))
 848             {
 849                 continue;
 850             }
 851
 852             debug("FS:%u Protocol:%p  OpenVolume:%p", i, pFile, pFile->OpenVolume);
 853
 854             Status = gBS->OpenProtocol(Handles[i], &gEfiDevicePathProtocolGuid,
 855                                        (VOID **)&pDevPath,
 856                                        ImageHandle,
 857                                        Handles[i],
 858                                        EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 859             if (EFI_ERROR(Status))
 860             {
 861                 debug("Failed to open device path protocol %r", Status);
 862                 continue;
 863             }
 864
 865             debug("Handle:%p FS DP: <%s>", Handles[i], ConvertDevicePathToText(pDevPath, FALSE, FALSE));
 866             if (CompareMem(gBlockData.Path, pDevPath, gBlockData.DevicePathCompareLen))
 867             {
 868                 debug("Not ventoy disk file system");
 869                 continue;
 870             }
 871
 872             for (j = gBootFileStartIndex; j < ARRAY_SIZE(gEfiBootFileName); j++)
 873             {
 874                 Status = ventoy_load_image(ImageHandle, pDevPath, gEfiBootFileName[j],
 875                                            StrSize(gEfiBootFileName[j]), &Image);
 876                 if (EFI_SUCCESS == Status)
 877                 {
 878                     break;
 879                 }
 880                 debug("Failed to load image %r <%s>", Status, gEfiBootFileName[j]);
 881             }
 882
 883             if (j >= ARRAY_SIZE(gEfiBootFileName))
 884             {
 885                 continue;
 886             }
 887
 888             Find++;
 889             debug("Find boot file, now try to boot .....");
 890             ventoy_debug_pause();
 891
 892             if (gDebugPrint)
 893             {
 894                 gST->ConIn->Reset(gST->ConIn, FALSE);
 895             }
 896
 897             if (g_file_replace_list && g_file_replace_list->magic == GRUB_FILE_REPLACE_MAGIC)
 898             {
 899                 ventoy_wrapper_push_openvolume(pFile->OpenVolume);
 900                 pFile->OpenVolume = ventoy_wrapper_open_volume;
 901             }
 902
 903             ventoy_hook_start();
 904             /* can't add debug print here */
 905             //ventoy_wrapper_system();
 906             Status = gBS->StartImage(Image, NULL, NULL);
 907             ventoy_hook_stop();
 908
 909             if (EFI_ERROR(Status))
 910             {
 911                 debug("Failed to start image %r", Status);
 912                 sleep(3);
 913                 gBS->UnloadImage(Image);
 914                 break;
 915             }
 916         }
 917
 918         FreePool(Handles);
 919
 920         if (Find == 0)
 921         {
 922             if (gDotEfiBoot)
 923             {
 924                 break;
 925             }
 926
 927             debug("Fs not found, now wait and retry...");
 928             sleep(2);
 929         }
 930     }
 931
 932     if (Find == 0)
 933     {
 934         return EFI_NOT_FOUND;
 935     }
 936
 937     return EFI_SUCCESS;
 938 }
 939
 940 EFI_STATUS EFIAPI VentoyEfiMain
 941 (
 942     IN EFI_HANDLE         ImageHandle,
 943     IN EFI_SYSTEM_TABLE  *SystemTable
 944 )
 945 {
 946     EFI_STATUS Status = EFI_SUCCESS;
 947     EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *Protocol;
 948
 949     g_sector_flag_num = 512; /* initial value */
 950
 951     g_sector_flag = AllocatePool(g_sector_flag_num * sizeof(ventoy_sector_flag));
 952     if (NULL == g_sector_flag)
 953     {
 954         return EFI_OUT_OF_RESOURCES;
 955     }
 956
 957     Status = gBS->HandleProtocol(gST->ConsoleInHandle, &gEfiSimpleTextInputExProtocolGuid, (VOID **)&Protocol);
 958     if (EFI_SUCCESS == Status)
 959     {
 960         g_con_simple_input_ex = Protocol;
 961     }
 962
 963     gST->ConOut->ClearScreen(gST->ConOut);
 964     ventoy_clear_input();
 965
 966     ventoy_parse_cmdline(ImageHandle);
 967
 968     if (gMemdiskMode)
 969     {
 970         g_ramdisk_param.PhyAddr = (UINT64)(UINTN)g_iso_data_buf;
 971         g_ramdisk_param.DiskSize = (UINT64)g_iso_buf_size;
 972
 973         ventoy_save_ramdisk_param();
 974
 975         if (gLoadIsoEfi)
 976         {
 977             ventoy_find_iso_disk(ImageHandle);
 978             ventoy_find_iso_disk_fs(ImageHandle);
 979             ventoy_load_isoefi_driver(ImageHandle);
 980         }
 981
 982         ventoy_install_blockio(ImageHandle, g_iso_buf_size);
 983         ventoy_debug_pause();
 984
 985         Status = ventoy_boot(ImageHandle);
 986
 987         ventoy_delete_ramdisk_param();
 988
 989         if (gLoadIsoEfi && gBlockData.IsoDriverImage)
 990         {
 991             gBS->UnloadImage(gBlockData.IsoDriverImage);
 992         }
 993
 994         gBS->DisconnectController(gBlockData.Handle, NULL, NULL);
 995         gBS->UninstallMultipleProtocolInterfaces(gBlockData.Handle,
 996                 &gEfiBlockIoProtocolGuid, &gBlockData.BlockIo,
 997                 &gEfiDevicePathProtocolGuid, gBlockData.Path,
 998                 NULL);
 999     }
1000     else
1001     {
1002         ventoy_save_variable();
1003         ventoy_find_iso_disk(ImageHandle);
1004
1005         if (gLoadIsoEfi)
1006         {
1007             ventoy_find_iso_disk_fs(ImageHandle);
1008             ventoy_load_isoefi_driver(ImageHandle);
1009         }
1010
1011         ventoy_debug_pause();
1012
1013         ventoy_install_blockio(ImageHandle, g_chain->virt_img_size_in_bytes);
1014
1015         ventoy_debug_pause();
1016
1017         Status = ventoy_boot(ImageHandle);
1018
1019         ventoy_clean_env();
1020     }
1021
1022     if (FALSE == gDotEfiBoot)
1023     {
1024         if (EFI_NOT_FOUND == Status)
1025         {
1026             gST->ConOut->OutputString(gST->ConOut, L"No bootfile found for UEFI!\r\n");
1027             gST->ConOut->OutputString(gST->ConOut, L"Maybe the image does not support " VENTOY_UEFI_DESC  L"!\r\n");
1028             sleep(30);
1029         }
1030     }
1031
1032     ventoy_clear_input();
1033     gST->ConOut->ClearScreen(gST->ConOut);
1034
1035     if (gDotEfiBoot && (EFI_NOT_FOUND == Status))
1036     {
1037         grub_env_set("vtoy_dotefi_retry", "YES");
1038     }
1039
1040     return EFI_SUCCESS;
1041 }
1042