Drivers/CMSIS/docs/Core_A/html/group__CMSIS__CPACR.html


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<title>CMSIS-Core (Cortex-A): Coprocessor Access Control Register (CPACR)</title>
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<div class="title">Coprocessor Access Control Register (CPACR)<div class="ingroups"><a class="el" href="group__CMSIS__core__register.html">Core Register Access</a></div></div>  </div>
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<p>The CPACR controls access to coprocessors CP0 to CP13.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Content</h2></td></tr>
<tr class="memitem:group__CMSIS__CPACR__BITS"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPACR__BITS.html">CPACR Bits</a></td></tr>
<tr class="memdesc:group__CMSIS__CPACR__BITS"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit position and mask macros. <br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__CMSIS__CPACR__CP"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPACR__CP.html">CPACR CP field values</a></td></tr>
<tr class="memdesc:group__CMSIS__CPACR__CP"><td class="mdescLeft">&#160;</td><td class="mdescRight">Valid values for CPACR CP field. <br/></td></tr>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="unionCPACR__Type.html">CPACR_Type</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit field declaration for CPACR layout.  <a href="unionCPACR__Type.html#details">More...</a><br/></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gadb152ab7a893135695e608ecaa5b0c4e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cmsis__armcc_8h.html#ab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPACR.html#gadb152ab7a893135695e608ecaa5b0c4e">__get_CPACR</a> (void)</td></tr>
<tr class="memdesc:gadb152ab7a893135695e608ecaa5b0c4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get CPACR.  <a href="#gadb152ab7a893135695e608ecaa5b0c4e">More...</a><br/></td></tr>
<tr class="separator:gadb152ab7a893135695e608ecaa5b0c4e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8bf7e1cfb0f28bc3bff3be7fec057668"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cmsis__armcc_8h.html#ab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPACR.html#ga8bf7e1cfb0f28bc3bff3be7fec057668">__set_CPACR</a> (uint32_t cpacr)</td></tr>
<tr class="memdesc:ga8bf7e1cfb0f28bc3bff3be7fec057668"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set CPACR.  <a href="#ga8bf7e1cfb0f28bc3bff3be7fec057668">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>The CPACR characteristics are:</p>
<table class="doxtable">
<tr>
<th align="left">Bits </th><th align="left">Name </th><th align="left">Function  </th></tr>
<tr>
<td align="left">[31] </td><td align="left">ASEDIS </td><td align="left">Disable Advanced SIMD functionality. </td></tr>
<tr>
<td align="left">[30] </td><td align="left">D32DIS </td><td align="left">Disable use of D16-D31 of the Floating-point Extension register file. </td></tr>
<tr>
<td align="left">[29] </td><td align="left">- </td><td align="left">Reserved. </td></tr>
<tr>
<td align="left">[28] </td><td align="left">TRCDIS </td><td align="left">Disable CP14 access to trace registers. </td></tr>
<tr>
<td align="left">[27:26] </td><td align="left">CP13 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 13. </td></tr>
<tr>
<td align="left">[25:24] </td><td align="left">CP12 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 12. </td></tr>
<tr>
<td align="left">[23:22] </td><td align="left">CP11 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 11. </td></tr>
<tr>
<td align="left">[21:20] </td><td align="left">CP10 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 10. </td></tr>
<tr>
<td align="left">[19:18] </td><td align="left">CP9 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 9. </td></tr>
<tr>
<td align="left">[17:16] </td><td align="left">CP8 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 8. </td></tr>
<tr>
<td align="left">[15:14] </td><td align="left">CP7 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 7. </td></tr>
<tr>
<td align="left">[13:12] </td><td align="left">CP6 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 6. </td></tr>
<tr>
<td align="left">[11:10] </td><td align="left">CP5 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 5. </td></tr>
<tr>
<td align="left">[9:8] </td><td align="left">CP4 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 4. </td></tr>
<tr>
<td align="left">[7:6] </td><td align="left">CP3 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 3. </td></tr>
<tr>
<td align="left">[5:4] </td><td align="left">CP2 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 2. </td></tr>
<tr>
<td align="left">[3:2] </td><td align="left">CP1 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 1. </td></tr>
<tr>
<td align="left">[1:0] </td><td align="left">CP0 </td><td align="left"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 0. </td></tr>
</table>
<p>Consider <a class="el" href="group__CMSIS__CPACR.html#gadb152ab7a893135695e608ecaa5b0c4e">__get_CPACR</a> and <a class="el" href="group__CMSIS__CPACR.html#ga8bf7e1cfb0f28bc3bff3be7fec057668">__set_CPACR</a> to access this register. </p>
<h2 class="groupheader">Function Documentation</h2>
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          <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> uint32_t __get_CPACR </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<dl class="section return"><dt>Returns</dt><dd>Coprocessor Access Control register value</dd></dl>
<p>This function returns the current value of the <a class="el" href="group__CMSIS__CPACR.html">Coprocessor Access Control Register (CPACR)</a>. </p>

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          <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void __set_CPACR </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>cpacr</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">cpacr</td><td>Coprocessor Access Control value to set</td></tr>
  </table>
  </dd>
</dl>
<p>This function assigns the given value to the <a class="el" href="group__CMSIS__CPACR.html">Coprocessor Access Control Register (CPACR)</a>. </p>

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