public void Add(long start, long end, IBusRegistered <IBusPeripheral> peripheral, PeripheralAccessMethods accessMethods)
{
// the idea here is that we prefer the peripheral to go to dictionary
// ideally it can go to dicitonary wholly, but we try to put there as much as we can
lock (sync)
{
var name = string.Format("{0} @ {1}.", peripheral.Peripheral.GetType().Name, peripheral.RegistrationPoint);
// TODO: check index (and start/stop)
var block = new Block {
Start = start, End = end, AccessMethods = accessMethods, Peripheral = peripheral
};
// let's decide whether block should go to array, dictionary or both
var goToDictionary = true;
// is the peripheral properly aligned?
if ((start & PageAlign) != 0)
{
sysbus.NoisyLog("{0} is at not aligned address - not using dictionary.", name);
goToDictionary = false;
}
// is the peripheral small enough?
var size = end - start;
var numOfPages = size / PageSize;
if (numOfPages > NumOfPagesThreshold)
{
sysbus.NoisyLog("{0} is too large - not using dictionary.", name);
goToDictionary = false;
}
var goToArray = !goToDictionary; // peripheral will go to array if we couldn't put it in dictionary
if (goToDictionary && size % PageSize != 0)
{
// but it should also go to array if it isn't properly aligned on its last page
goToArray = true;
}
if (goToArray)
{
blocks = blocks.Union(new [] { block }).OrderBy(x => x.Start).ToArray();
sysbus.NoisyLog("Added {0} to binary search array.", name);
}
if (!goToDictionary)
{
return;
}
// note that truncating is in fact good thing here
for (var i = 0; i < numOfPages; i++)
{
shortBlocks.Add(start + i * PageSize, block);
}
sysbus.NoisyLog("Added {0} to dictionary.", name);
}
}
public void Add(long start, long end, IBusRegistered<IBusPeripheral> peripheral, PeripheralAccessMethods accessMethods)
{
// the idea here is that we prefer the peripheral to go to dictionary
// ideally it can go to dicitonary wholly, but we try to put there as much as we can
lock(sync)
{
var name = string.Format("{0} @ {1}.", peripheral.Peripheral.GetType().Name, peripheral.RegistrationPoint);
// TODO: check index (and start/stop)
var block = new Block { Start = start, End = end, AccessMethods = accessMethods, Peripheral = peripheral };
// let's decide whether block should go to array, dictionary or both
var goToDictionary = true;
// is the peripheral properly aligned?
if((start & PageAlign) != 0)
{
sysbus.NoisyLog("{0} is at not aligned address - not using dictionary.", name);
goToDictionary = false;
}
// is the peripheral small enough?
var size = end - start;
var numOfPages = size/PageSize;
if(numOfPages > NumOfPagesThreshold)
{
sysbus.NoisyLog("{0} is too large - not using dictionary.", name);
goToDictionary = false;
}
var goToArray = !goToDictionary; // peripheral will go to array if we couldn't put it in dictionary
if(goToDictionary && size % PageSize != 0)
{
// but it should also go to array if it isn't properly aligned on its last page
goToArray = true;
}
if(goToArray)
{
blocks = blocks.Union(new [] { block }).OrderBy(x => x.Start).ToArray();
sysbus.NoisyLog("Added {0} to binary search array.", name);
}
if(!goToDictionary)
{
return;
}
// note that truncating is in fact good thing here
for(var i = 0; i < numOfPages; i++)
{
shortBlocks.Add(start + i*PageSize, block);
}
sysbus.NoisyLog("Added {0} to dictionary.", name);
}
}
public static IBusRegistered <TTo> Convert <TFrom, TTo>(this IBusRegistered <TFrom> conversionSource) where TTo : TFrom where TFrom : IBusPeripheral
{
return(new BusRegistered <TTo>((TTo)conversionSource.Peripheral, new BusRangeRegistration(conversionSource.RegistrationPoint.Range,
conversionSource.RegistrationPoint.Offset)));
}
