protected void ProcessSoftwareEntry(SoftwarePageTableEntry spte, ulong virtualAddress)
{
if (spte.Entry == 0)
{
return;
}
if (spte.IsTransition && !spte.IsPrototype)
{
AddressRecord ar = new AddressRecord();
ar.VirtualAddress = virtualAddress;
ar.PhysicalAddress = spte.RealEntry;
ar.Size = 0x1000;
ar.Flags = spte.Flags;
_translationLookasideBuffer.Add(ar);
}
else
{
AddressRecord ar = new AddressRecord();
ar.VirtualAddress = virtualAddress;
ar.PhysicalAddress = spte.Entry; // full original entry
ar.Size = 0x1000;
ar.Flags = spte.Flags;
ar.IsSoftware = true;
_translationLookasideBuffer.Add(ar);
}
}
protected void ProcessLargePdeEntry(LargePageDirectoryEntry lpde, ulong virtualAddress)
{
AddressRecord ar = new AddressRecord();
ar.VirtualAddress = virtualAddress;
ar.PhysicalAddress = lpde.RealEntry;
ar.Size = 0x200000;
ar.Flags = lpde.Flags;
_translationLookasideBuffer.Add(ar);
}
protected void ProcessPteEntry(PageTableEntry pte, ulong virtualAddress)
{
AddressRecord ar = new AddressRecord();
ar.VirtualAddress = virtualAddress;
ar.PhysicalAddress = pte.RealEntry;
ar.Size = 0x1000;
ar.Flags = pte.Flags;
_translationLookasideBuffer.Add(ar);
}
protected List <AddressRecord> BuildMemoryMap(ulong startAddress, ulong endAddress)
{
List <AddressRecord> memoryRecords = new List <AddressRecord>();
PopulateTlb(startAddress, endAddress);
UInt64 contiguousVOffset = 0;
UInt64 contiguousPOffset = 0;
UInt32 totalLength = 0;
if (_translationLookasideBuffer == null)
{
return(null);
}
uint lastFlag = _translationLookasideBuffer[0].Flags;
foreach (AddressRecord ar in _translationLookasideBuffer)
{
if (ar.IsSoftware)
{
memoryRecords.Add(ar);
continue;
}
if (ar.VirtualAddress == contiguousVOffset + totalLength && ar.PhysicalAddress == contiguousPOffset + totalLength)
{
totalLength += ar.Size;
lastFlag = ar.Flags;
}
else
{
if (totalLength > 0)
{
AddressRecord ar2 = new AddressRecord();
ar2.VirtualAddress = contiguousVOffset;
ar2.PhysicalAddress = contiguousPOffset;
ar2.Size = totalLength;
ar2.Flags = lastFlag;
memoryRecords.Add(ar2);
}
contiguousPOffset = ar.PhysicalAddress;
contiguousVOffset = ar.VirtualAddress;
totalLength = ar.Size;
lastFlag = ar.Flags;
}
}
if (totalLength > 0)
{
AddressRecord ar2 = new AddressRecord();
ar2.VirtualAddress = contiguousVOffset;
ar2.PhysicalAddress = contiguousPOffset;
ar2.Size = totalLength;
ar2.Flags = lastFlag;
memoryRecords.Add(ar2);
}
return(memoryRecords);
}