adolphenom
625 lines
25 KiB
HTML
625 lines
25 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<!--NewPage-->
|
|
<HTML>
|
|
<HEAD>
|
|
<!-- Generated by javadoc (build 1.6.0_33) on Tue Aug 20 12:20:42 EDT 2013 -->
|
|
<TITLE>
|
|
BackStepper
|
|
</TITLE>
|
|
|
|
<META NAME="date" CONTENT="2013-08-20">
|
|
|
|
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style">
|
|
|
|
<SCRIPT type="text/javascript">
|
|
function windowTitle()
|
|
{
|
|
if (location.href.indexOf('is-external=true') == -1) {
|
|
parent.document.title="BackStepper";
|
|
}
|
|
}
|
|
</SCRIPT>
|
|
<NOSCRIPT>
|
|
</NOSCRIPT>
|
|
|
|
</HEAD>
|
|
|
|
<BODY BGCOLOR="white" onload="windowTitle();">
|
|
<HR>
|
|
|
|
|
|
<!-- ========= START OF TOP NAVBAR ======= -->
|
|
<A NAME="navbar_top"><!-- --></A>
|
|
<A HREF="#skip-navbar_top" title="Skip navigation links"></A>
|
|
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
|
|
<TR>
|
|
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
|
|
<A NAME="navbar_top_firstrow"><!-- --></A>
|
|
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
|
|
<TR ALIGN="center" VALIGN="top">
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD>
|
|
</TR>
|
|
</TABLE>
|
|
</TD>
|
|
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
|
|
</EM>
|
|
</TD>
|
|
</TR>
|
|
|
|
<TR>
|
|
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
|
|
PREV CLASS
|
|
<A HREF="../../mars/simulator/DelayedBranch.html" title="class in mars.simulator"><B>NEXT CLASS</B></A></FONT></TD>
|
|
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
|
|
<A HREF="../../index.html?mars/simulator/BackStepper.html" target="_top"><B>FRAMES</B></A>
|
|
<A HREF="BackStepper.html" target="_top"><B>NO FRAMES</B></A>
|
|
<SCRIPT type="text/javascript">
|
|
<!--
|
|
if(window==top) {
|
|
document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>');
|
|
}
|
|
//-->
|
|
</SCRIPT>
|
|
<NOSCRIPT>
|
|
<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>
|
|
</NOSCRIPT>
|
|
|
|
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
|
|
SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
|
|
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
|
|
DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
|
|
</TR>
|
|
</TABLE>
|
|
<A NAME="skip-navbar_top"></A>
|
|
<!-- ========= END OF TOP NAVBAR ========= -->
|
|
|
|
<HR>
|
|
<!-- ======== START OF CLASS DATA ======== -->
|
|
<H2>
|
|
<FONT SIZE="-1">
|
|
mars.simulator</FONT>
|
|
<BR>
|
|
Class BackStepper</H2>
|
|
<PRE>
|
|
<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
|
|
<IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>mars.simulator.BackStepper</B>
|
|
</PRE>
|
|
<HR>
|
|
<DL>
|
|
<DT><PRE>public class <B>BackStepper</B><DT>extends <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
|
|
</PRE>
|
|
|
|
<P>
|
|
Used to "step backward" through execution, undoing each instruction.
|
|
<P>
|
|
|
|
<P>
|
|
<DL>
|
|
<DT><B>Author:</B></DT>
|
|
<DD>Pete Sanderson</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<P>
|
|
|
|
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
|
|
|
|
<A NAME="constructor_summary"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
|
|
<B>Constructor Summary</B></FONT></TH>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#BackStepper()">BackStepper</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Create a fresh BackStepper.</TD>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<!-- ========== METHOD SUMMARY =========== -->
|
|
|
|
<A NAME="method_summary"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
|
|
<B>Method Summary</B></FONT></TH>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addConditionFlagClear(int)">addConditionFlagClear</A></B>(int flag)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addConditionFlagSet(int)">addConditionFlagSet</A></B>(int flag)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addCoprocessor0Restore(int, int)">addCoprocessor0Restore</A></B>(int register,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addCoprocessor1Restore(int, int)">addCoprocessor1Restore</A></B>(int register,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addDoNothing(int)">addDoNothing</A></B>(int pc)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addMemoryRestoreByte(int, int)">addMemoryRestoreByte</A></B>(int address,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addMemoryRestoreHalf(int, int)">addMemoryRestoreHalf</A></B>(int address,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addMemoryRestoreRawWord(int, int)">addMemoryRestoreRawWord</A></B>(int address,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addMemoryRestoreWord(int, int)">addMemoryRestoreWord</A></B>(int address,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addPCRestore(int)">addPCRestore</A></B>(int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> int</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#addRegisterFileRestore(int, int)">addRegisterFileRestore</A></B>(int register,
|
|
int value)</CODE>
|
|
|
|
<BR>
|
|
Add a new "back step" (the undo action) to the stack.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> void</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#backStep()">backStep</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Carry out a "back step", which will undo the latest execution step.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> boolean</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#empty()">empty</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Test whether there are steps that can be undone.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> boolean</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#enabled()">enabled</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Determine whether execution "undo" steps are currently being recorded.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> boolean</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#inDelaySlot()">inDelaySlot</A></B>()</CODE>
|
|
|
|
<BR>
|
|
Determine whether the next back-step action occurred as the result of
|
|
an instruction that executed in the "delay slot" of a delayed branch.</TD>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
<CODE> void</CODE></FONT></TD>
|
|
<TD><CODE><B><A HREF="../../mars/simulator/BackStepper.html#setEnabled(boolean)">setEnabled</A></B>(boolean state)</CODE>
|
|
|
|
<BR>
|
|
Set enable status.</TD>
|
|
</TR>
|
|
</TABLE>
|
|
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
|
|
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
|
|
</TR>
|
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
<TD><CODE><A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<P>
|
|
|
|
<!-- ========= CONSTRUCTOR DETAIL ======== -->
|
|
|
|
<A NAME="constructor_detail"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
|
|
<B>Constructor Detail</B></FONT></TH>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<A NAME="BackStepper()"><!-- --></A><H3>
|
|
BackStepper</H3>
|
|
<PRE>
|
|
public <B>BackStepper</B>()</PRE>
|
|
<DL>
|
|
<DD>Create a fresh BackStepper. It is enabled, which means all
|
|
subsequent instruction executions will have their "undo" action
|
|
recorded here.
|
|
<P>
|
|
</DL>
|
|
|
|
<!-- ============ METHOD DETAIL ========== -->
|
|
|
|
<A NAME="method_detail"><!-- --></A>
|
|
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
|
|
<B>Method Detail</B></FONT></TH>
|
|
</TR>
|
|
</TABLE>
|
|
|
|
<A NAME="enabled()"><!-- --></A><H3>
|
|
enabled</H3>
|
|
<PRE>
|
|
public boolean <B>enabled</B>()</PRE>
|
|
<DL>
|
|
<DD>Determine whether execution "undo" steps are currently being recorded.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>true if undo steps being recorded, false if not.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="setEnabled(boolean)"><!-- --></A><H3>
|
|
setEnabled</H3>
|
|
<PRE>
|
|
public void <B>setEnabled</B>(boolean state)</PRE>
|
|
<DL>
|
|
<DD>Set enable status.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>state</CODE> - If true, will begin (or continue) recoding "undo" steps. If false, will stop.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="empty()"><!-- --></A><H3>
|
|
empty</H3>
|
|
<PRE>
|
|
public boolean <B>empty</B>()</PRE>
|
|
<DL>
|
|
<DD>Test whether there are steps that can be undone.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>true if there are no steps to be undone, false otherwise.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="inDelaySlot()"><!-- --></A><H3>
|
|
inDelaySlot</H3>
|
|
<PRE>
|
|
public boolean <B>inDelaySlot</B>()</PRE>
|
|
<DL>
|
|
<DD>Determine whether the next back-step action occurred as the result of
|
|
an instruction that executed in the "delay slot" of a delayed branch.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>true if next backstep is instruction that executed in delay slot,
|
|
false otherwise.</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="backStep()"><!-- --></A><H3>
|
|
backStep</H3>
|
|
<PRE>
|
|
public void <B>backStep</B>()</PRE>
|
|
<DL>
|
|
<DD>Carry out a "back step", which will undo the latest execution step.
|
|
Does nothing if backstepping not enabled or if there are no steps to undo.
|
|
<P>
|
|
<DD><DL>
|
|
</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addMemoryRestoreRawWord(int, int)"><!-- --></A><H3>
|
|
addMemoryRestoreRawWord</H3>
|
|
<PRE>
|
|
public int <B>addMemoryRestoreRawWord</B>(int address,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a raw memory word value (setRawWord).
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>address</CODE> - The affected memory address.<DD><CODE>value</CODE> - The "restore" value to be stored there.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addMemoryRestoreWord(int, int)"><!-- --></A><H3>
|
|
addMemoryRestoreWord</H3>
|
|
<PRE>
|
|
public int <B>addMemoryRestoreWord</B>(int address,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a memory word value.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>address</CODE> - The affected memory address.<DD><CODE>value</CODE> - The "restore" value to be stored there.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addMemoryRestoreHalf(int, int)"><!-- --></A><H3>
|
|
addMemoryRestoreHalf</H3>
|
|
<PRE>
|
|
public int <B>addMemoryRestoreHalf</B>(int address,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a memory half-word value.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>address</CODE> - The affected memory address.<DD><CODE>value</CODE> - The "restore" value to be stored there, in low order half.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addMemoryRestoreByte(int, int)"><!-- --></A><H3>
|
|
addMemoryRestoreByte</H3>
|
|
<PRE>
|
|
public int <B>addMemoryRestoreByte</B>(int address,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a memory byte value.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>address</CODE> - The affected memory address.<DD><CODE>value</CODE> - The "restore" value to be stored there, in low order byte.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addRegisterFileRestore(int, int)"><!-- --></A><H3>
|
|
addRegisterFileRestore</H3>
|
|
<PRE>
|
|
public int <B>addRegisterFileRestore</B>(int register,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a register file register value.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>register</CODE> - The affected register number.<DD><CODE>value</CODE> - The "restore" value to be stored there.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addPCRestore(int)"><!-- --></A><H3>
|
|
addPCRestore</H3>
|
|
<PRE>
|
|
public int <B>addPCRestore</B>(int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore the program counter.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The "restore" value to be stored there.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addCoprocessor0Restore(int, int)"><!-- --></A><H3>
|
|
addCoprocessor0Restore</H3>
|
|
<PRE>
|
|
public int <B>addCoprocessor0Restore</B>(int register,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a coprocessor 0 register value.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>register</CODE> - The affected register number.<DD><CODE>value</CODE> - The "restore" value to be stored there.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addCoprocessor1Restore(int, int)"><!-- --></A><H3>
|
|
addCoprocessor1Restore</H3>
|
|
<PRE>
|
|
public int <B>addCoprocessor1Restore</B>(int register,
|
|
int value)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to restore a coprocessor 1 register value.
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>register</CODE> - The affected register number.<DD><CODE>value</CODE> - The "restore" value to be stored there.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addConditionFlagSet(int)"><!-- --></A><H3>
|
|
addConditionFlagSet</H3>
|
|
<PRE>
|
|
public int <B>addConditionFlagSet</B>(int flag)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to set the given coprocessor 1 condition flag (to 1).
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - The condition flag number.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addConditionFlagClear(int)"><!-- --></A><H3>
|
|
addConditionFlagClear</H3>
|
|
<PRE>
|
|
public int <B>addConditionFlagClear</B>(int flag)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to clear the given coprocessor 1 condition flag (to 0).
|
|
<P>
|
|
<DD><DL>
|
|
<DT><B>Parameters:</B><DD><CODE>flag</CODE> - The condition flag number.
|
|
<DT><B>Returns:</B><DD>the argument value</DL>
|
|
</DD>
|
|
</DL>
|
|
<HR>
|
|
|
|
<A NAME="addDoNothing(int)"><!-- --></A><H3>
|
|
addDoNothing</H3>
|
|
<PRE>
|
|
public int <B>addDoNothing</B>(int pc)</PRE>
|
|
<DL>
|
|
<DD>Add a new "back step" (the undo action) to the stack. The action here
|
|
is to do nothing! This is just a place holder so when user is backstepping
|
|
through the program no instructions will be skipped. Cosmetic. If the top of the
|
|
stack has the same PC counter, the do-nothing action will not be added.
|
|
<P>
|
|
<DD><DL>
|
|
|
|
<DT><B>Returns:</B><DD>0</DL>
|
|
</DD>
|
|
</DL>
|
|
<!-- ========= END OF CLASS DATA ========= -->
|
|
<HR>
|
|
|
|
|
|
<!-- ======= START OF BOTTOM NAVBAR ====== -->
|
|
<A NAME="navbar_bottom"><!-- --></A>
|
|
<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
|
|
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
|
|
<TR>
|
|
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
|
|
<A NAME="navbar_bottom_firstrow"><!-- --></A>
|
|
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
|
|
<TR ALIGN="center" VALIGN="top">
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD>
|
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD>
|
|
</TR>
|
|
</TABLE>
|
|
</TD>
|
|
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
|
|
</EM>
|
|
</TD>
|
|
</TR>
|
|
|
|
<TR>
|
|
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
|
|
PREV CLASS
|
|
<A HREF="../../mars/simulator/DelayedBranch.html" title="class in mars.simulator"><B>NEXT CLASS</B></A></FONT></TD>
|
|
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
|
|
<A HREF="../../index.html?mars/simulator/BackStepper.html" target="_top"><B>FRAMES</B></A>
|
|
<A HREF="BackStepper.html" target="_top"><B>NO FRAMES</B></A>
|
|
<SCRIPT type="text/javascript">
|
|
<!--
|
|
if(window==top) {
|
|
document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>');
|
|
}
|
|
//-->
|
|
</SCRIPT>
|
|
<NOSCRIPT>
|
|
<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>
|
|
</NOSCRIPT>
|
|
|
|
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
|
|
SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
|
|
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
|
|
DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
|
|
</TR>
|
|
</TABLE>
|
|
<A NAME="skip-navbar_bottom"></A>
|
|
<!-- ======== END OF BOTTOM NAVBAR ======= -->
|
|
|
|
<HR>
|
|
|
|
</BODY>
|
|
</HTML>
|