SimCon interface update: save returns a boolean, now (+ redundant virtual keywords removed).

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1724 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

src/core/sal/SimulatorController.hpp

@@ -108,8 +108,9 @@ public:
 	/**
 	 * Save simulator state.
 	 * @param path Location to store state information
+	 * @return \c true if the state has been successfully saved, \c false otherwise
 	 */
-	virtual void save(const std::string& path) = 0;
+	virtual bool save(const std::string& path) = 0;
 	/**
 	 * Restore simulator state.  Implicitly discards all previously
 	 * registered listeners.

src/core/sal/bochs/BochsController.cc

@@ -159,20 +159,23 @@ void BochsController::onIOPort(unsigned char data, unsigned port, bool out) {
 	m_LstList.triggerActiveListeners();
 }
 
-void BochsController::save(const std::string& path)
+bool BochsController::save(const std::string& path)
 {
 	int stat;
 	
 	stat = mkdir(path.c_str(), 0777);
-	if (!(stat == 0 || errno == EEXIST))
-		std::cout << "[FAIL] Can not create target-directory to save!" << std::endl;
+	if (!(stat == 0 || errno == EEXIST)) {
+		return false;
+		// std::cout << "[FAIL] Can not create target-directory to save!" << std::endl;
 		// TODO: (Non-)Verbose-Mode? Log-level? Maybe better: use return value to indicate failure?
+	}
 	
 	save_bochs_request = true;
 	BX_CPU(0)->async_event |= 1;
 	sr_path = path;
 	m_CurrFlow = m_Flows.getCurrent();
 	m_Flows.resume();
+	return true;
 }
 
 void BochsController::saveDone()

src/core/sal/bochs/BochsController.hpp

@@ -87,8 +87,9 @@ public:
 	/**
 	 * Save simulator state.
 	 * @param path Location to store state information
+	 * @return \c true if the state has been successfully saved, \c false otherwise
 	 */
-	void save(const std::string& path);
+	bool save(const std::string& path);
 	/**
 	 * Save finished: Callback from Simulator
 	 */

src/core/sal/gem5/Gem5Controller.cc

@@ -10,7 +10,7 @@
 
 namespace fail {
 
-void Gem5Controller::save(const std::string &path)
+bool Gem5Controller::save(const std::string &path)
 {
 	// Takes a snapshot in the m5out dir
 	Tick when = curTick() + 1;
@@ -22,6 +22,7 @@ void Gem5Controller::save(const std::string &path)
 	std::ofstream file(path.c_str()); 
 	root->serialize(file);
 	file.close();*/
+	return false; // TODO
 }
 
 void Gem5Controller::restore(const std::string &path)

src/core/sal/gem5/Gem5Controller.hpp

@@ -11,9 +11,9 @@ class Gem5Controller : public SimulatorController {
 public:
 	void onBreakpoint(address_t instrPtr, address_t address_space);
 
-	virtual void save(const std::string &path);
-	virtual void restore(const std::string &path);
-	virtual void reboot();
+	bool save(const std::string &path);
+	void restore(const std::string &path);
+	void reboot();
 };
 
 } // end-of-namespace: fail

src/core/sal/ovp/OVPController.cc

@@ -109,10 +109,11 @@ void OVPController::onInstrPtrChanged(address_t instrPtr)
 	m_EvList.fireActiveListeners();
 }
 
-void OVPController::save(const string& path)
+bool OVPController::save(const string& path)
 {
 	// TODO!
 	ovpplatform.save(path);
+	return false; // TODO
 }
 
 void OVPController::restore(const string& path)

src/core/sal/ovp/OVPController.hpp

@@ -35,22 +35,23 @@ public:
 	 * Initialize the controller.
 	 */
 	OVPController();
-	virtual ~OVPController();
-	virtual void onInstrPtrChanged(address_t instrPtr); 
+	~OVPController();
+	void onInstrPtrChanged(address_t instrPtr); 
 	/**
 	 * Save simulator state.
 	 * @param path Location to store state information
+	 * @return \c true if the state has been successfully saved, \c false otherwise
 	 */
-	virtual void save(const std::string& path);
+	bool save(const std::string& path);
 	/**
 	 * Restore simulator state.
 	 * @param path Location to previously saved state information
 	 */
-	virtual void restore(const std::string& path);
+	void restore(const std::string& path);
 	/**
 	 * Reboot simulator.
 	 */
-	virtual void reboot();
+	void reboot();
 	/**
 	 * Returns the current instruction pointer.
 	 * @return the current eip

src/core/sal/qemu/QEMUController.hpp

@@ -47,8 +47,9 @@ public:
 	/**
 	 * Save simulator state.  TODO.
 	 * @param path Location to store state information
+	 * @return \c true if the state has been successfully saved, \c false otherwise
 	 */
-	void save(const std::string& path) {}
+	bool save(const std::string& path) { return false; }
 	/**
 	 * Restore simulator state. Clears all Listeners.  TODO.
 	 * @param path Location to previously saved state information