check if this entry corresponds to Boot# variable and then set BootCurrent
| 341 | // check if this entry corresponds to Boot# variable and then set BootCurrent |
| 342 | // |
| 343 | VOID |
| 344 | SetBootCurrent(REFIT_MENU_ITEM_BOOTNUM *Entry) |
| 345 | { |
| 346 | EFI_STATUS Status; |
| 347 | BO_BOOT_OPTION BootOption; |
| 348 | XStringW VarName; |
| 349 | UINTN VarSize = 0; |
| 350 | UINT8 *BootVariable; |
| 351 | UINTN NameSize; |
| 352 | UINT8 *Data; |
| 353 | UINT16 *BootOrder; |
| 354 | UINT16 *BootOrderNew; |
| 355 | UINT16 *Ptr; |
| 356 | UINTN BootOrderSize; |
| 357 | INTN BootIndex = 0, Index; |
| 358 | |
| 359 | |
| 360 | VarName = SWPrintf("Boot%04llX", Entry->BootNum); |
| 361 | BootVariable = (UINT8*)GetNvramVariable(VarName.wc_str(), &gEfiGlobalVariableGuid, NULL, &VarSize); |
| 362 | if ((BootVariable == NULL) || (VarSize == 0)) { |
| 363 | DBG("Boot option %ls not found\n", VarName.wc_str()); |
| 364 | return; |
| 365 | } |
| 366 | |
| 367 | //decode the variable |
| 368 | BootOption.Variable = BootVariable; |
| 369 | BootOption.VariableSize = VarSize; |
| 370 | ParseBootOption (&BootOption); |
| 371 | |
| 372 | if ((BootOption.OptionalDataSize == 0) || |
| 373 | (BootOption.OptionalData == NULL) || |
| 374 | (*(UINT32*)BootOption.OptionalData != CLOVER_SIGN)) { |
| 375 | DBG("BootVariable of the entry is empty\n"); |
| 376 | FreePool(BootVariable); |
| 377 | return; |
| 378 | } |
| 379 | |
| 380 | Data = BootOption.OptionalData + 4; |
| 381 | NameSize = *(UINT16*)Data; |
| 382 | Data += 2; |
| 383 | if (StriCmp((CHAR16*)Data, Entry->Volume->VolName.wc_str()) != 0) { |
| 384 | DBG("Boot option %llu has other volume name %ls\n", Entry->BootNum, (CHAR16*)Data); |
| 385 | FreePool(BootVariable); |
| 386 | return; |
| 387 | } |
| 388 | |
| 389 | if (VarSize > NameSize + 6) { |
| 390 | Data += NameSize; |
| 391 | if (StriCmp((CHAR16*)Data, Basename(Entry->LoaderPath.wc_str())) != 0) { |
| 392 | DBG("Boot option %llu has other loader name %ls\n", Entry->BootNum, (CHAR16*)Data); |
| 393 | FreePool(BootVariable); |
| 394 | return; |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | FreePool(BootVariable); |
| 399 | //all check passed, save the number |
| 400 | Status = SetNvramVariable (L"BootCurrent", |
no test coverage detected