Esempio n. 1
0
    /**
     * Initialize this kernel. Creates a synchronized console and sets the
     * processor's exception handler.
     */
    public void initialize(String[] args) {
	super.initialize(args);

	console = new SynchConsole(Machine.console());
	
	Machine.processor().setExceptionHandler(new Runnable() {
		public void run() { exceptionHandler(); }
	    });
    }
Esempio n. 2
0
    /**
     * Start running user programs, by creating a process and running a shell
     * program in it. The name of the shell program it must run is returned by
     * <tt>Machine.getShellProgramName()</tt>.
     *
     * @see	nachos.machine.Machine#getShellProgramName
     */
    public void run() {
	super.run();

	UserProcess process = UserProcess.newUserProcess();
	
	String shellProgram = Machine.getShellProgramName();	
	Lib.assert(process.execute(shellProgram, new String[] { }));

	KThread.currentThread().finish();
    }
Esempio n. 3
0
    /**
     * Test the console device.
     */	
    public void selfTest() {
	super.selfTest();

	System.out.println("Testing the console device. Typed characters");
	System.out.println("will be echoed until q is typed.");

	char c;

	do {
	    c = (char) console.readByte(true);
	    console.writeByte(c);
	}
	while (c != 'q');

	System.out.println("");
    }
Esempio n. 4
0
    /**
     * Terminate this kernel. Never returns.
     */
    public void terminate() {
	super.terminate();
    }