HW1

code/machine/console.cc

@@ -172,3 +172,11 @@ ConsoleOutput::PutChar(char ch)
     kernel->interrupt->Schedule(this, ConsoleTime, ConsoleWriteInt);
 }
 
+void
+ConsoleOutput::PutString(char *str)
+{
+    ASSERT(putBusy == FALSE);
+    WriteFile(writeFileNo, str, strlen(str));
+    putBusy = TRUE;
+    kernel->interrupt->Schedule(this, ConsoleTime, ConsoleWriteInt);
+}

code/machine/console.h

@@ -76,6 +76,7 @@ class ConsoleOutput : public CallBackObj {
     void PutChar(char ch);	// Write "ch" to the console display, 
 				// and return immediately.  "callWhenDone" 
 				// will called when the I/O completes. 
+    void PutString(char *str);
     void CallBack();		// Invoked when next character can be put
 				// out to the display.
 

code/machine/interrupt.h

@@ -95,7 +95,7 @@ class Interrupt {
     void Halt(); 		// quit and print out stats
 
     void PrintInt(int number);
-	int CreateFile(char *filename);
+	  int CreateFile(char *filename);
  
     void YieldOnReturn();	// cause a context switch on return 
 				// from an interrupt handler