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Jagannadha Sutradharudu Teki 2c8f92039d embeddesw: Add initial code support 
Added initial support Xilinx Embedded Software.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
2014-06-24 16:45:01 +05:30

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<h1>xl2cc_counter.c File Reference</h1><code>#include &lt;stdint.h&gt;</code><br>
<code>#include &quot;<a class="el" href="xparameters__ps_8h.html">xparameters_ps.h</a>&quot;</code><br>
<code>#include &quot;<a class="el" href="xl2cc__counter_8h.html">xl2cc_counter.h</a>&quot;</code><br>
<code>#include &quot;<a class="el" href="xl2cc_8h.html">xl2cc.h</a>&quot;</code><br>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="xl2cc__counter_8c.html#d6a195ef2aeaed2724861a293670491f">XL2cc_EventCtrReset</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="xl2cc__counter_8c.html#54ed63dd0226383ca9635249f6d1f913">XL2cc_EventCtrInit</a> (int Event0, int Event1)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="xl2cc__counter_8c.html#d4eb17e0c48c911970cb8eca8b6ba90c">XL2cc_EventCtrStart</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="xl2cc__counter_8c.html#5b171124c01282fd6f516c7970867c10">XL2cc_EventCtrStop</a> (u32 *EveCtr0, u32 *EveCtr1)</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
This file contains APIs for configuring and controlling the event counters in PL310 L2 cache controller. For more information about the event counters, see <a class="el" href="xl2cc__counter_8h.html">xl2cc_counter.h</a>.<p>
<pre>
MODIFICATION HISTORY:</pre><p>
<pre> Ver Who Date Changes
----- ---- -------- -----------------------------------------------
1.00a sdm 07/11/11 First release
3.07a asa 08/30/12 Updated for CR 675636 to provide the L2 Base Address
inside the APIs
</pre> <hr><h2>Function Documentation</h2>
<a class="anchor" name="54ed63dd0226383ca9635249f6d1f913"></a><!-- doxytag: member="xl2cc_counter.c::XL2cc_EventCtrInit" ref="54ed63dd0226383ca9635249f6d1f913" args="(int Event0, int Event1)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top">void XL2cc_EventCtrInit </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">int&nbsp;</td>
<td class="mdname" nowrap> <em>Event0</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>int&nbsp;</td>
<td class="mdname" nowrap> <em>Event1</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">)&nbsp;</td>
<td class="md" colspan="2"></td>
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</td>
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<td>
&nbsp;
</td>
<td>
<p>
This function initializes the event counters in L2 Cache controller with a set of event codes specified by the user.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>Event0</em>&nbsp;</td><td>is the event code for counter 0. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>Event1</em>&nbsp;</td><td>is the event code for counter 1. Use the event codes defined by XL2CC_* in <a class="el" href="xl2cc__counter_8h.html">xl2cc_counter.h</a>.</td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="d6a195ef2aeaed2724861a293670491f"></a><!-- doxytag: member="xl2cc_counter.c::XL2cc_EventCtrReset" ref="d6a195ef2aeaed2724861a293670491f" args="(void)" --><p>
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<td class="md" nowrap valign="top">void XL2cc_EventCtrReset </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">void&nbsp;</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
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&nbsp;
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<td>
<p>
This function resets the event counters in L2 Cache controller.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>None.</em>&nbsp;</td><td></td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="d4eb17e0c48c911970cb8eca8b6ba90c"></a><!-- doxytag: member="xl2cc_counter.c::XL2cc_EventCtrStart" ref="d4eb17e0c48c911970cb8eca8b6ba90c" args="(void)" --><p>
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void XL2cc_EventCtrStart </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">void&nbsp;</td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
&nbsp;
</td>
<td>
<p>
This function starts the event counters in L2 Cache controller.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>None.</em>&nbsp;</td><td></td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="5b171124c01282fd6f516c7970867c10"></a><!-- doxytag: member="xl2cc_counter.c::XL2cc_EventCtrStop" ref="5b171124c01282fd6f516c7970867c10" args="(u32 *EveCtr0, u32 *EveCtr1)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">void XL2cc_EventCtrStop </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">u32 *&nbsp;</td>
<td class="mdname" nowrap> <em>EveCtr0</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>u32 *&nbsp;</td>
<td class="mdname" nowrap> <em>EveCtr1</em></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">)&nbsp;</td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
&nbsp;
</td>
<td>
<p>
This function disables the event counters in L2 Cache controller, saves the counter values and resets the counters.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>EveCtr0</em>&nbsp;</td><td>is an output parameter which is used to return the value in event counter 0. EveCtr1 is an output parameter which is used to return the value in event counter 1.</td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
</td>
</tr>
</table>
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