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package com.zylin.zpu.simulator;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.channels.ServerSocketChannel;
import com.zylin.zpu.simulator.exceptions.CPUException;
import com.zylin.zpu.simulator.gdb.GDBServer;
public class SimApp
{
private static Simulator simulator;
private String[] args;
private int portNumber;
private SimFactory simFactory;
public SimApp(SimFactory factory)
{
simFactory=factory;
}
public void parseArgs()
{
portNumber = 4444;
if (args.length>=1)
{
portNumber=Integer.parseInt(args[0]);
}
}
private void moreParse()
{
if (args.length>=2)
{
simulator.setTraceFile(args[1]);
}
}
void run(String[] args)
{
this.args=args;
createSimulator();
parseArgs();
moreParse();
runSimAndGDB();
}
Object launched=new Object();
private boolean doneLaunching;
private boolean manyGDBSessions;
public ServerSocket serverSocket;
public void runSimAndGDB()
{
try
{
serverSocket = new ServerSocket(portNumber);
try
{
serverSocket.setReuseAddress(true);
System.out.println("Listening on port " + portNumber);
setLaunchedFlag();
do
{
try
{
runGDBServer();
} catch (CPUException e)
{
e.printStackTrace();
}
} while (manyGDBSessions);
} finally
{
serverSocket.close();
}
} catch (IOException e1)
{
e1.printStackTrace();
} finally
{
setLaunchedFlag();
}
}
private void setLaunchedFlag()
{
synchronized(launched)
{
doneLaunching=true;
launched.notify();
}
}
public void createSimulator()
{
simulator=simFactory.create();
simulator.suspend();
}
private void runGDBServer() throws CPUException
{
final GDBServer gdbServer=new GDBServer(simulator, this);
simulator.setSyscall(gdbServer);
Thread thread = new Thread(new Runnable()
{
public void run()
{
try
{
gdbServer.gdbServer();
}
catch (Throwable e)
{
e.printStackTrace();
}
simulator.shutdown();
}
});
thread.start();
try
{
simulator.run();
}
finally
{
try
{
thread.join();
} catch (InterruptedException e)
{
e.printStackTrace();
}
}
}
public Simulator getSimulator()
{
return simulator;
}
public void setPort(int i)
{
portNumber=i;
}
/** synchronous launch of GDB server */
public void launchGDBServer()
{
Thread t=new Thread(new Runnable()
{
public void run()
{
runSimAndGDB();
}
});
t.start();
synchronized (launched)
{
while (!doneLaunching)
{
try
{
launched.wait(2000);
} catch (InterruptedException e)
{
e.printStackTrace();
}
}
}
}
}
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