begriffs open source - cmsis/blob - main/Core_A/group__CMSIS__CPACR.html

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  43    <div id="projectname">CMSIS-Core (Cortex-A)
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  52    <div id="projectbrief">CMSIS-Core support for Cortex-A processor-based devices</div>
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 128 <a href="#groups">Content</a> &#124;
 129 <a href="#nested-classes">Data Structures</a> &#124;
 130 <a href="#func-members">Functions</a>  </div>
 131   <div class="headertitle"><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>
 132 </div><!--header-->
 133 <div class="contents">
 134
 135 <p>The CPACR controls access to coprocessors CP0 to CP13.
 136 <a href="#details">More...</a></p>
 137 <table class="memberdecls">
 138 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="groups" name="groups"></a>
 139 Content</h2></td></tr>
 140 <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>
 141 <tr class="memdesc:group__CMSIS__CPACR__BITS"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit position and mask macros. <br /></td></tr>
 142 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 143 <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>
 144 <tr class="memdesc:group__CMSIS__CPACR__CP"><td class="mdescLeft">&#160;</td><td class="mdescRight">Valid values for CPACR CP field. <br /></td></tr>
 145 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 146 </table><table class="memberdecls">
 147 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
 148 Data Structures</h2></td></tr>
 149 <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>
 150 <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>
 151 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 152 </table><table class="memberdecls">
 153 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 154 Functions</h2></td></tr>
 155 <tr class="memitem:gadb152ab7a893135695e608ecaa5b0c4e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cmsis__armclang__a_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>
 156 <tr class="memdesc:gadb152ab7a893135695e608ecaa5b0c4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get CPACR.  <br /></td></tr>
 157 <tr class="separator:gadb152ab7a893135695e608ecaa5b0c4e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 158 <tr class="memitem:ga8bf7e1cfb0f28bc3bff3be7fec057668"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cmsis__armclang__a_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>
 159 <tr class="memdesc:ga8bf7e1cfb0f28bc3bff3be7fec057668"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set CPACR.  <br /></td></tr>
 160 <tr class="separator:ga8bf7e1cfb0f28bc3bff3be7fec057668"><td class="memSeparator" colspan="2">&#160;</td></tr>
 161 </table>
 162 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 163 <p>The CPACR controls access to coprocessors CP0 to CP13. </p>
 164 <p>The CPACR characteristics are:</p>
 165 <table class="markdownTable">
 166 <tr class="markdownTableHead">
 167 <th class="markdownTableHeadLeft">Bits   </th><th class="markdownTableHeadLeft">Name   </th><th class="markdownTableHeadLeft">Function    </th></tr>
 168 <tr class="markdownTableRowOdd">
 169 <td class="markdownTableBodyLeft">[31]   </td><td class="markdownTableBodyLeft">ASEDIS   </td><td class="markdownTableBodyLeft">Disable Advanced SIMD functionality.    </td></tr>
 170 <tr class="markdownTableRowEven">
 171 <td class="markdownTableBodyLeft">[30]   </td><td class="markdownTableBodyLeft">D32DIS   </td><td class="markdownTableBodyLeft">Disable use of D16-D31 of the Floating-point Extension register file.    </td></tr>
 172 <tr class="markdownTableRowOdd">
 173 <td class="markdownTableBodyLeft">[29]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 174 <tr class="markdownTableRowEven">
 175 <td class="markdownTableBodyLeft">[28]   </td><td class="markdownTableBodyLeft">TRCDIS   </td><td class="markdownTableBodyLeft">Disable CP14 access to trace registers.    </td></tr>
 176 <tr class="markdownTableRowOdd">
 177 <td class="markdownTableBodyLeft">[27:26]   </td><td class="markdownTableBodyLeft">CP13   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 13.    </td></tr>
 178 <tr class="markdownTableRowEven">
 179 <td class="markdownTableBodyLeft">[25:24]   </td><td class="markdownTableBodyLeft">CP12   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 12.    </td></tr>
 180 <tr class="markdownTableRowOdd">
 181 <td class="markdownTableBodyLeft">[23:22]   </td><td class="markdownTableBodyLeft">CP11   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 11.    </td></tr>
 182 <tr class="markdownTableRowEven">
 183 <td class="markdownTableBodyLeft">[21:20]   </td><td class="markdownTableBodyLeft">CP10   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 10.    </td></tr>
 184 <tr class="markdownTableRowOdd">
 185 <td class="markdownTableBodyLeft">[19:18]   </td><td class="markdownTableBodyLeft">CP9   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 9.    </td></tr>
 186 <tr class="markdownTableRowEven">
 187 <td class="markdownTableBodyLeft">[17:16]   </td><td class="markdownTableBodyLeft">CP8   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 8.    </td></tr>
 188 <tr class="markdownTableRowOdd">
 189 <td class="markdownTableBodyLeft">[15:14]   </td><td class="markdownTableBodyLeft">CP7   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 7.    </td></tr>
 190 <tr class="markdownTableRowEven">
 191 <td class="markdownTableBodyLeft">[13:12]   </td><td class="markdownTableBodyLeft">CP6   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 6.    </td></tr>
 192 <tr class="markdownTableRowOdd">
 193 <td class="markdownTableBodyLeft">[11:10]   </td><td class="markdownTableBodyLeft">CP5   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 5.    </td></tr>
 194 <tr class="markdownTableRowEven">
 195 <td class="markdownTableBodyLeft">[9:8]   </td><td class="markdownTableBodyLeft">CP4   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 4.    </td></tr>
 196 <tr class="markdownTableRowOdd">
 197 <td class="markdownTableBodyLeft">[7:6]   </td><td class="markdownTableBodyLeft">CP3   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 3.    </td></tr>
 198 <tr class="markdownTableRowEven">
 199 <td class="markdownTableBodyLeft">[5:4]   </td><td class="markdownTableBodyLeft">CP2   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 2.    </td></tr>
 200 <tr class="markdownTableRowOdd">
 201 <td class="markdownTableBodyLeft">[3:2]   </td><td class="markdownTableBodyLeft">CP1   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 1.    </td></tr>
 202 <tr class="markdownTableRowEven">
 203 <td class="markdownTableBodyLeft">[1:0]   </td><td class="markdownTableBodyLeft">CP0   </td><td class="markdownTableBodyLeft"><a class="el" href="group__CMSIS__CPACR__CP.html">Access rights</a> for coprocessor 0.   </td></tr>
 204 </table>
 205 <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>
 206 <h2 class="groupheader">Function Documentation</h2>
 207 <a id="gadb152ab7a893135695e608ecaa5b0c4e" name="gadb152ab7a893135695e608ecaa5b0c4e"></a>
 208 <h2 class="memtitle"><span class="permalink"><a href="#gadb152ab7a893135695e608ecaa5b0c4e">&#9670;&#160;</a></span>__get_CPACR()</h2>
 209
 210 <div class="memitem">
 211 <div class="memproto">
 212       <table class="memname">
 213         <tr>
 214           <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> uint32_t __get_CPACR </td>
 215           <td>(</td>
 216           <td class="paramtype">void&#160;</td>
 217           <td class="paramname"></td><td>)</td>
 218           <td></td>
 219         </tr>
 220       </table>
 221 </div><div class="memdoc">
 222
 223 <p>Get CPACR. </p>
 224 <dl class="section return"><dt>Returns</dt><dd>Coprocessor Access Control register value</dd></dl>
 225 <p>This function returns the current value of the <a class="el" href="group__CMSIS__CPACR.html">Coprocessor Access Control Register (CPACR)</a>. </p>
 226
 227 </div>
 228 </div>
 229 <a id="ga8bf7e1cfb0f28bc3bff3be7fec057668" name="ga8bf7e1cfb0f28bc3bff3be7fec057668"></a>
 230 <h2 class="memtitle"><span class="permalink"><a href="#ga8bf7e1cfb0f28bc3bff3be7fec057668">&#9670;&#160;</a></span>__set_CPACR()</h2>
 231
 232 <div class="memitem">
 233 <div class="memproto">
 234       <table class="memname">
 235         <tr>
 236           <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void __set_CPACR </td>
 237           <td>(</td>
 238           <td class="paramtype">uint32_t&#160;</td>
 239           <td class="paramname"><em>cpacr</em></td><td>)</td>
 240           <td></td>
 241         </tr>
 242       </table>
 243 </div><div class="memdoc">
 244
 245 <p>Set CPACR. </p>
 246 <dl class="params"><dt>Parameters</dt><dd>
 247   <table class="params">
 248     <tr><td class="paramdir">[in]</td><td class="paramname">cpacr</td><td>Coprocessor Access Control value to set</td></tr>
 249   </table>
 250   </dd>
 251 </dl>
 252 <p>This function assigns the given value to the <a class="el" href="group__CMSIS__CPACR.html">Coprocessor Access Control Register (CPACR)</a>. </p>
 253
 254 </div>
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