1 #include <efi.h> 2 #include <efilib.h> 3 4 EFI_STATUS 5 efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab) 6 { 7 EFI_STATUS status; 8 CHAR16 name[256], *val, fmt[20]; 9 EFI_GUID vendor; 10 UINTN size; 11 12 InitializeLib(image, systab); 13 14 name[0] = 0; 15 vendor = NullGuid; 16 17 Print(L"GUID Variable Name Value\n"); 18 Print(L"=================================== ==================== ========\n"); 19 20 StrCpy(fmt, L"%.-35g %.-20s %s\n"); 21 while (1) { 22 size = sizeof(name); 23 status = uefi_call_wrapper(RT->GetNextVariableName, 3, &size, name, &vendor); 24 if (status != EFI_SUCCESS) 25 break; 26 27 val = LibGetVariable(name, &vendor); 28 Print(fmt, &vendor, name, val); 29 FreePool(val); 30 } 31 return EFI_SUCCESS; 32 } 33
