| 408 | // |
| 409 | |
| 410 | static VOID ScanVolumeBootcode(IN OUT REFIT_VOLUME *Volume, OUT BOOLEAN *Bootable) |
| 411 | { |
| 412 | EFI_STATUS Status; |
| 413 | UINT8 *SectorBuffer; |
| 414 | UINTN i; |
| 415 | //MBR_PARTITION_INFO *MbrTable; |
| 416 | //BOOLEAN MbrTableFound; |
| 417 | UINTN BlockSize = 0; |
| 418 | CHAR16 volumeName[255]; |
| 419 | CHAR8 tmp[64]; |
| 420 | UINT32 VCrc32; |
| 421 | // CHAR16 *kind = NULL; |
| 422 | |
| 423 | Volume->HasBootCode = FALSE; |
| 424 | Volume->LegacyOS->IconName.setEmpty(); |
| 425 | Volume->LegacyOS->Name.setEmpty(); |
| 426 | // Volume->BootType = BOOTING_BY_MBR; //default value |
| 427 | Volume->BootType = BOOTING_BY_EFI; |
| 428 | *Bootable = FALSE; |
| 429 | |
| 430 | if ((Volume->BlockIO == NULL) || (!Volume->BlockIO->Media->MediaPresent)) |
| 431 | return; |
| 432 | ZeroMem((CHAR8*)&tmp[0], 64); |
| 433 | BlockSize = Volume->BlockIO->Media->BlockSize; |
| 434 | if (BlockSize > 2048) |
| 435 | return; // our buffer is too small... the bred of thieve of cable |
| 436 | SectorBuffer = (__typeof__(SectorBuffer))AllocateAlignedPages(EFI_SIZE_TO_PAGES (2048), 16); //align to 16 byte?! Poher |
| 437 | ZeroMem((CHAR8*)&SectorBuffer[0], 2048); |
| 438 | // look at the boot sector (this is used for both hard disks and El Torito images!) |
| 439 | Status = Volume->BlockIO->ReadBlocks(Volume->BlockIO, Volume->BlockIO->Media->MediaId, |
| 440 | Volume->BlockIOOffset /*start lba*/, |
| 441 | 2048, SectorBuffer); |
| 442 | if (!EFI_ERROR(Status) && (SectorBuffer[1] != 0)) { |
| 443 | // calc crc checksum of first 2 sectors - it's used later for legacy boot BIOS drive num detection |
| 444 | // note: possible future issues with AF 4K disks |
| 445 | *Bootable = TRUE; |
| 446 | Volume->HasBootCode = TRUE; //we assume that all CD are bootable |
| 447 | /* DBG("check SectorBuffer\n"); |
| 448 | for (i=0; i<32; i++) { |
| 449 | DBG("%2hhX ", SectorBuffer[i]); |
| 450 | } |
| 451 | DBG("\n"); */ |
| 452 | VCrc32 = GetCrc32(SectorBuffer, 512 * 2); |
| 453 | Volume->DriveCRC32 = VCrc32; |
| 454 | //gBS->CalculateCrc32 (SectorBuffer, 2 * 512, &Volume->DriveCRC32); |
| 455 | /* switch (Volume->DiskKind ) { |
| 456 | case DISK_KIND_OPTICAL: |
| 457 | kind = L"DVD"; |
| 458 | break; |
| 459 | case DISK_KIND_INTERNAL: |
| 460 | kind = L"HDD"; |
| 461 | break; |
| 462 | case DISK_KIND_EXTERNAL: |
| 463 | kind = L"USB"; |
| 464 | break; |
| 465 | default: |
| 466 | break; |
| 467 | } |
no test coverage detected