public void AddEntry(int vpn, int pfn)
{
bool success = false;
for (int i = 0; i < _entries.Length; i++)
{
if (_entries[i] == null || !_entries[i].Valid)
{
success = true;
_entries[i] = new TLBEntry()
{
Valid = true,
VPN = vpn,
PFN = pfn
};
}
}
while (!success)
{
//Eject a random entry (only if it's not marked as permanent)
int index = new Random().Next(_entries.Length);
if (!_entries[index].Permanent)
{
_entries[index] = new TLBEntry()
{
Valid = true,
VPN = vpn,
PFN = pfn
};
success = true;
}
}
}
public void AddEntry(int vpn, int pfn)
{
bool success = false;
for (int i = 0; i < _entries.Length; i++)
{
if (_entries[i] == null || !_entries[i].Valid)
{
success = true;
_entries[i] = new TLBEntry()
{
Valid = true,
VPN = vpn,
PFN = pfn
};
}
}
while (!success)
{
//Eject a random entry (only if it's not marked as permanent)
int index = new Random().Next(_entries.Length);
if (!_entries[index].Permanent)
{
_entries[index] = new TLBEntry()
{
Valid = true,
VPN = vpn,
PFN = pfn
};
success = true;
}
}
}