1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2<HTML>
3<HEAD>
4<META http-equiv="Content-Type" content="text/html; charset=windows-1252">
5<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 7.0.0.0 for Windows">
6<META http-equiv="Content-Style-Type" content="text/css">
7<TITLE>DC_Restore</TITLE>
8<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css">
9</HEAD>
10<BODY>
11<H1 align="left">DC_Restore <IMG src="../../image/NTR.gif" align="middle"><IMG src="../../image/TWL.gif" align="middle"></H1>
12<H2>Syntax</H2>
13<DL>
14  <DD>
15  <PRE><CODE>#include &lt;nitro/os.h&gt;</CODE></PRE>
16  <PRE><CODE>BOOL DC_Restore( BOOL enable );</CODE></PRE>
17</DL>
18<H2>Arguments</H2>
19<TABLE border="1" width="100%">
20  <TBODY>
21    <TR>
22      <TD width="13%"><EM><STRONG>enable</STRONG></EM></TD>
23      <TD width="87%">Value of data cache permission/prohibition setting.</TD>
24    </TR>
25  </TBODY>
26</TABLE>
27<H2>Return Values</H2>
28<P>Previous permission/prohibition setting for data cache use.</P>
29<H2>Description</H2>
30<P>This function permits or prohibits the use of all data caches.</P>
31<P>When <B><I>enable</I></B> is <code>TRUE</code>, use is permitted; when it is <code>FALSE</code>, use is prohibited.</P>
32<P>The return value is the data cache permission/prohibition setting before this function was called. When the return value is <CODE>TRUE</CODE>, use of caching was permitted; when <CODE>FALSE</CODE>, it was prohibited.</P>
33<P>In most cases, do not prohibit the use of caching.( See the <A href="DC_Disable.html"><CODE>DC_Disable</CODE></A> function.)</P>
34<H2>Internal Operation</H2>
35<P>Operates register 1 of the system control coprocessor.</P>
36<H2>See Also</H2>
37<P><CODE><A href="DC_Enable.html">DC_Enable</A>, <A href="DC_Disable.html">DC_Disable</A><BR></CODE></P>
38<H2>Revision History</H2>
39<P>2003/12/22 Initial version.</P>
40<hr><p>CONFIDENTIAL</p></body>
41</HTML>