public long GetPageForPhysAddr(HARDWARE_ADDRESS_ENTRY PAddr, ref long[] block, ref bool GotData, bool NoCache = true)
{
long rv = 0;
// convert PAddr to PFN
var aPFN = PAddr.NextTable_PFN;
GotData = false;
//NoCache = true;
if (!NoCache && PageCache.ContainsKey(aPFN))
{
do
{
PageCache.TryGetValue(aPFN, out block);
}while (block == null);
// shift down since were loading a long[]
GotData = true;
return(block[(PAddr >> 3) & 0x1ff]);
}
// should return with - error_value
if (aPFN > int.MaxValue || aPFN < 0)
{
return(0);
}
#if USE_BITMAP
if (pfnTableIdx != null)
{
pfnTableIdx.Set((int)PFN, true);
}
#endif
// paranoid android setting
var FileOffset = OffsetToMemIndex(aPFN);
if (FileOffset < 0)
{
rv = MagicNumbers.BAD_RUN_CONFIG_READ;
}
else
{
// add back in the file offset for possible exact byte lookup
rv = GetPageFromFileOffset(FileOffset + PAddr.AddressOffset, ref block, ref GotData);
}
if (!GotData)
{
rv = MagicNumbers.BAD_VALUE_READ;
}
if (!NoCache && GotData)
{
PageCache.TryAdd(aPFN, block);
}
return(rv);
}