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<title>2014.1_doc: xpm_counter.c File Reference</title>
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<h1>xpm_counter.c File Reference</h1><code>#include "<a class="el" href="xpm__counter_8h.html">xpm_counter.h</a>"</code><br>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xpm__counter_8c.html#cc4238f0573dbd35e12d65ad93f83015">Xpm_DisableEventCounters</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xpm__counter_8c.html#356b4aa6a8e2bb6025e95094dac665d2">Xpm_EnableEventCounters</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xpm__counter_8c.html#5af7b46d0878615324c4a2e1691b290f">Xpm_ResetEventCounters</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xpm__counter_8c.html#f68d70d0f25f3b67b6fcf7b862ade912">Xpm_SetEvents</a> (int PmcrCfg)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xpm__counter_8c.html#067ba9297b009b2b2a2e2af441fb8e67">Xpm_GetEventCounters</a> (u32 *PmCtrValue)</td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
This file contains APIs for configuring and controlling the Cortex-A9 Performance Monitor Events. For more information about the event counters, see <a class="el" href="xpm__counter_8h.html">xpm_counter.h</a>.<p>
<pre>
MODIFICATION HISTORY:</pre><p>
<pre> Ver Who Date Changes
----- ---- -------- -----------------------------------------------
1.00a sdm 07/11/11 First release
</pre> <hr><h2>Function Documentation</h2>
<a class="anchor" name="cc4238f0573dbd35e12d65ad93f83015"></a><!-- doxytag: member="xpm_counter.c::Xpm_DisableEventCounters" ref="cc4238f0573dbd35e12d65ad93f83015" args="(void)" --><p>
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<td class="md" nowrap valign="top">void Xpm_DisableEventCounters </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
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<p>
This function disables the Cortex A9 event 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>None.</em> </td><td></td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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<a class="anchor" name="356b4aa6a8e2bb6025e95094dac665d2"></a><!-- doxytag: member="xpm_counter.c::Xpm_EnableEventCounters" ref="356b4aa6a8e2bb6025e95094dac665d2" args="(void)" --><p>
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<td class="md" nowrap valign="top">void Xpm_EnableEventCounters </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
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This function enables the Cortex A9 event 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>None.</em> </td><td></td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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<a class="anchor" name="067ba9297b009b2b2a2e2af441fb8e67"></a><!-- doxytag: member="xpm_counter.c::Xpm_GetEventCounters" ref="067ba9297b009b2b2a2e2af441fb8e67" args="(u32 *PmCtrValue)" --><p>
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<td class="md" nowrap valign="top">void Xpm_GetEventCounters </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">u32 * </td>
<td class="mdname1" valign="top" nowrap> <em>PmCtrValue</em> </td>
<td class="md" valign="top"> ) </td>
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<p>
This function disables the event counters and returns the counter values.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>PmCtrValue</em> </td><td>is a pointer to an array of type u32 PmCtrValue[6]. It is an output parameter which is used to return the PM counter values.</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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<a class="anchor" name="5af7b46d0878615324c4a2e1691b290f"></a><!-- doxytag: member="xpm_counter.c::Xpm_ResetEventCounters" ref="5af7b46d0878615324c4a2e1691b290f" args="(void)" --><p>
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<td class="md" nowrap valign="top">void Xpm_ResetEventCounters </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
This function resets the Cortex A9 event counters.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>None.</em> </td><td></td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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<a class="anchor" name="f68d70d0f25f3b67b6fcf7b862ade912"></a><!-- doxytag: member="xpm_counter.c::Xpm_SetEvents" ref="f68d70d0f25f3b67b6fcf7b862ade912" args="(int PmcrCfg)" --><p>
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<td class="md" nowrap valign="top">void Xpm_SetEvents </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>PmcrCfg</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
This function configures the Cortex A9 event counters controller, with the event codes, in a configuration selected by the user and enables 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>PmcrCfg</em> </td><td>is configuration value based on which the event counters are configured. Use XPM_CNTRCFG* values defined in <a class="el" href="xpm__counter_8h.html">xpm_counter.h</a>.</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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