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13
14<h1>ICInvalidateRange</h1>
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16
17<h2>C Specification</h2>
18
19<dl>
20<dd><pre><code>#include &lt;revolution/os.h&gt;</code></pre>
21  </dd>
22<dd><pre><code>void ICInvalidateRange(void* startAddr, u32 nBytes);</code></pre>
23  </dd>
24</dl>
25<H2>Arguments</H2>
26<TABLE border="1" cellpadding="3" cellspacing="0.1">
27  <TBODY>
28    <TR>
29<TD width="120" bgcolor="#ffffe8"><EM><STRONG><CODE><STRONG><EM><CODE>startAddr</CODE></EM></STRONG></CODE></STRONG></EM></TD>
30<TD width="520">Effective address (not the physical address) .</TD>
31    </TR>
32    <TR>
33<TD width="120" bgcolor="#ffffe8"><STRONG><EM><CODE><STRONG><EM><CODE>nBytes</CODE></EM></STRONG></CODE></EM></STRONG></TD>
34<TD>Size of range to invalidate.</TD>
35    </TR>
36  </TBODY>
37</TABLE>
38<H2>Return Values</H2>
39<P>None.</P>
40<h2>Description</h2>
41
42<p>Invalidates a specified range in the instruction cache. The cache data block hit in the instruction cache for the specified range is invalidated. The <CODE><STRONG><EM>startAddr</EM></STRONG></CODE> argument is truncated to a 32-byte boundary. The final address (<CODE><STRONG><EM>startAddr</EM></STRONG></CODE> + <STRONG><EM><CODE>nBytes</CODE></EM></STRONG>), is rounded up to a 32-byte boundary. This command will execute even if the cache is locked (using the <a href="ICFreeze.html"><code>ICFreeze</code></a> function). Furthermore, the requests to invalidate are not passed onto the L2 or data caches.</p>
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44<p></p>
45
46<h2>See Also</h2>
47
48<p><a href="../list.html#Cache" target="contents">Cache Functions</a>, <br> <code><a href="DCFlushRange.html">DCFlushRange</a></code>, <code><a href="DCInvalidateRange.html">DCInvalidateRange</code></a>, <a href="DCStoreRange.html">DCStoreRange</a></code></p>
49
50<h2>Revision History</h2>
51<P>03/01/2006 Initial version.</p>
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