Function FixAny

rEFIt_UEFI/Platform/FixBiosDsdt.cpp:1770–1816

}

UINT32 FixAny (UINT8* dsdt, UINT32 len, const XBuffer<UINT8> ToFind, const XBuffer<UINT8> ToReplace)
{
  size_t sizeoffset;
  INT32 adr;
  UINT32 i;
  BOOLEAN found = FALSE;
  if ( ToFind.isEmpty() || ToReplace.isEmpty() ) {
    DBG(" invalid patches!\n");
    return len;
  }
  MsgLog(" pattern %02hhX%02hhX%02hhX%02hhX,", ToFind[0], ToFind[1], ToFind[2], ToFind[3]);
  if ((ToFind.size() + sizeof(EFI_ACPI_DESCRIPTION_HEADER)) > len) {
    MsgLog(" the patch is too large!\n");
    return len;
  }
  sizeoffset = ToReplace.size() - ToFind.size();
  if ( sizeoffset > MAX_INT32 ) {
    DBG(" invalid patches (sizeoffset > MAX_INT32)!\n");
    return len;
  }
  for (i = 20; i < len; ) {
    adr = FindBin(dsdt + i, len - i, ToFind);
    if (adr < 0) {
      if (found) {
        MsgLog(" ]\n");
      } else {
        MsgLog(" bin not found / already patched!\n");
      }
      return len;
    }

    if (!found) {
      MsgLog(" patched at: [");
      MsgLog(" (%X)", adr); //print once because whole duration is 26 seconds!!!
    }

//    MsgLog(" (%X)", adr);
    found = TRUE;
    len = move_data(adr + i, dsdt, len, (INT32)sizeoffset); // safe cast, sizeoffset > MAX_INT32
    CopyMem(dsdt + adr + i, ToReplace.data(), ToReplace.size());
    len = CorrectOuterMethod(dsdt, len, adr + i - 2, (INT32)sizeoffset); // safe cast, sizeoffset > MAX_INT32
    len = CorrectOuters(dsdt, len, adr + i - 3, (INT32)sizeoffset); // safe cast, sizeoffset > MAX_INT32
    i += adr + ToReplace.size();
  }
  MsgLog(" ]\n"); //should not be here
  return len;
}

//new method. by goodwin_c
UINT32 FixRenameByBridge2 (UINT8* dsdt, UINT32 len, const XBuffer<UINT8>& TgtBrgName, const XBuffer<UINT8>& ToFind, const XBuffer<UINT8>& ToReplace)