/**
* Completes RegisterRead and RegisterWrite connections passed up to the top-level as side-band
* ports and buses.
*
* @param design the Design which has Registers
* @param frame the ConnectionFrame which describes the read/write connections
*/
private void connectGlobalRegisters(Design design, ConnectionFrame frame) {
// boolean isLittleEndian = EngineThread.getGenericJob()
// .getUnscopedBooleanOptionValue(OptionRegistry.LITTLE_ENDIAN);
for (Register register : design.getRegisters()) {
List<Connection> readList = frame.getReadConnections(register);
List<Connection> writeList = frame.getWriteConnections(register);
if (readList.isEmpty() && writeList.isEmpty()) {
continue;
}
Component regPhys = register.makePhysicalComponent(readList, writeList);
if (register.getInputSwapper() != null) {
design.getDesignModule().addComponent(register.getInputSwapper());
}
design.getDesignModule().addComponent(regPhys);
if (register.getOutputSwapper() != null) {
design.getDesignModule().addComponent(register.getOutputSwapper());
}
assert regPhys != null;
if (!writeList.isEmpty()) {
final Iterator<Port> writePortIter = regPhys.getDataPorts().iterator();
for (Iterator<Connection> writeListIter = writeList.iterator(); writeListIter.hasNext(); ) {
final RegisterWriteConnection writeConn = (RegisterWriteConnection) writeListIter.next();
if (writeConn != null) {
assert writePortIter.hasNext() : "Too few ports on register physical (enable)";
final Port enablePort = writePortIter.next();
assert writePortIter.hasNext() : "Too few ports on register physical (data)";
final Port dataPort = writePortIter.next();
enablePort.setBus(writeConn.getEnable());
dataPort.setBus(writeConn.getData());
}
}
}
if (!readList.isEmpty()) {
Bus registerResultBus = null;
Exit physicalExit = regPhys.getExit(Exit.DONE);
registerResultBus = physicalExit.getDataBuses().get(0);
for (Connection connection : readList) {
RegisterReadConnection rp = (RegisterReadConnection) connection;
// The read connetion may be null because we had
// to pad out the pairs in the connection list for
// the referee.
if (rp != null) {
rp.getDataPort().setBus(registerResultBus);
}
}
}
}
}
/**
* Creates Pins on the design to connect each task's I/O.
*
* @param design the Design to be connected
*/
@SuppressWarnings("deprecation")
private void connectTasks(Design design) {
// Map kickers = new HashMap();
for (Task task : design.getTasks()) {
Call call = task.getCall();
// Note: when creating the InputPins, they are based on the related
// procedure port instead of the call port, because the InputPin
// needs
// the Port's peer bus to get sizing information
// might have a this port
if (task.getCall().getThisPort() != null) {
int width = task.getCall().getThisPort().getValue().getSize();
/*
* The base address of the top level object reference is always
* 0, since it isn't actually stored in memory.
*/
Constant constant = new SimpleConstant(0, width, false);
task.setHiddenConstant(constant);
}
// If module_builder, then publish the ports, and don't use a kicker
if (EngineThread.getGenericJob()
.getUnscopedBooleanOptionValue(OptionRegistry.MODULE_BUILDER)) {
// get the entry method
EntryMethod em = call.getProcedure().getEntryMethod();
Port go = call.getGoPort();
if (go.isUsed()) {
Pin p = connectInputPin(design, call, go, call.getGoName());
if (em != null) {
p.setApiPin(em.getGoPin());
}
}
List<Port> dataPorts = new ArrayList<Port>(call.getDataPorts());
// 'this' port is handled specially.
dataPorts.remove(call.getThisPort());
int index = 0;
for (Port port : dataPorts) {
if (port.getTag().equals(Component.NORMAL)) {
if (port.isUsed()) {
Pin p = connectInputPin(design, call, port, null);
if (em != null) {
p.setApiPin(em.getArgPin(index));
}
}
}
index++;
}
Exit exit = call.getExit(Exit.DONE);
Bus done = exit.getDoneBus();
if (done.isUsed()) {
OutputPin pin = connectOutputPin(design, call, done, call.getProcedure().getDoneName());
if (em != null) {
pin.setApiPin(em.getDonePin());
}
}
for (Bus bus : exit.getDataBuses()) {
if (bus.getTag().equals(Component.NORMAL)) {
if (bus.isUsed()) {
OutputPin pin =
connectOutputPin(design, call, bus, call.getProcedure().getResultName());
if (em != null) {
pin.setApiPin(em.getResultPin());
}
}
}
}
}
}
}
