changed build structure

DRAM/dram/core/refresh/RefreshManager.cpp

@@ -0,0 +1,89 @@
+/*
+ * RefreshManager.cpp
+ *
+ *  Created on: Mar 6, 2014
+ *      Author: jonny
+ */
+
+#include <core/refresh/RefreshManager.h>
+#include "core/utils/Utils.h"
+
+
+
+namespace controller {
+
+RefreshManager::RefreshManager(const RefreshTiming& refreshTiming,
+		IInternalScheduler& internalScheduler) :
+		refreshTiming(refreshTiming), internalScheduler(internalScheduler)
+{
+	setupTransaction(refreshTransaction, Bank(0));
+	nextPlannedRefresh = new ScheduledCommand(refreshTransaction, Refresh, SC_ZERO_TIME,
+			refreshTiming.tRFC);
+	planNextRefresh(*nextPlannedRefresh);
+}
+
+RefreshManager::RefreshManager(const RefreshTiming& refreshTiming,
+		IInternalScheduler& internalScheduler, Bank bank) :
+		refreshTiming(refreshTiming), internalScheduler(internalScheduler)
+{
+	setupTransaction(refreshTransaction, bank);
+	nextPlannedRefresh = new ScheduledCommand(refreshTransaction, Refresh, SC_ZERO_TIME,
+			refreshTiming.tRFC);
+	planNextRefresh(*nextPlannedRefresh);
+}
+
+RefreshManager::~RefreshManager()
+{
+	delete nextPlannedRefresh;
+}
+
+/*
+ * Checks for a scheduled CommandSequence, if there is a collision with the current planned,
+ * not yet scheduled, refresh command. In case of a collision the manager schedules the refresh
+ * (sends it out) and plans the next refresh. Afterwards the CommandSequence is re-scheduled
+ * with the new controller state (earliest start time is the end of the just scheduled refresh).
+ */
+bool RefreshManager::hasCollision(const CommandSchedule& schedule)
+{
+	if (schedule.getEnd() < nextPlannedRefresh->getStart())
+	{
+		return false;
+	}
+	else
+	{
+		return true;
+	}
+}
+
+void RefreshManager::scheduleRefresh(sc_time time)
+{
+	if (time <= nextPlannedRefresh->getStart())
+		scheduleRefresh(*nextPlannedRefresh);
+}
+
+void RefreshManager::scheduleRefresh(ScheduledCommand& refresh)
+{
+	internalScheduler.scheduleCommand(refresh);
+	planNextRefresh(refresh);
+}
+
+void RefreshManager::planNextRefresh(ScheduledCommand& refresh) //TODO nicer to return the reference ?
+{
+	refresh.delayStart(refreshTiming.tREFI);
+	internalScheduler.scheduleTrigger(RefreshTrigger, refresh.getStart());
+}
+
+void RefreshManager::setupTransaction(tlm::tlm_generic_payload& transaction, Bank bank)
+{
+	transaction.set_address(getStartAddress(bank));
+	transaction.set_command(tlm::TLM_READ_COMMAND);
+	transaction.set_data_length(0);
+	transaction.set_response_status(tlm::TLM_OK_RESPONSE);
+	transaction.set_dmi_allowed(false);
+	transaction.set_byte_enable_length(0);
+	transaction.set_streaming_width(0);
+
+	transaction.set_extension(new DramExtension(Thread(0), bank, Row(0), Column(0))); //payload takes ownership
+}
+
+} /* namespace controller */