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7<TITLE>IC_UnlockdownAll</TITLE>
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11<H1 align="left">IC_UnlockdownAll <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>void IC_UnlockdownAll( void );</CODE></PRE>
17</DL>
18<H2>Arguments</H2>
19<P>None.</P>
20<H2>Return Values</H2>
21<P>None.</P>
22<H2>Description</H2>
23<P>Instruction cache can be locked with <A href="IC_LockdownRange.html"><CODE>IC_LockdownRange()</CODE></A>, which prevents the cache from being deleted. <code>IC_UnlockdownAll</code> releases the instruction cache to be deleted when the cache is replaced.</P>
24<P>The function releases all regions locked with <A href="IC_LockdownRange.html"><CODE>IC_LockdownRange()</CODE></A>.</P>
25<H2>Internal Operation</H2>
26<P>Operates registers 7 and 9 of the system control coprocessor.</P>
27<H2>See Also</H2>
28<P><CODE><A href="IC_LockdownRange.html">IC_LockdownRange</A>,<A href="IC_Unlockdown.html">IC_Unlockdown</A></CODE></P>
29<H2>Revision History</H2>
30<P>2005/01/21 Initial version.</P>
31<hr><p>CONFIDENTIAL</p></body>
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