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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">Data Fault Status Register (DFSR)<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 DFSR holds status information about the last data fault.
 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__DFSR__BITS"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__DFSR__BITS.html">ACTLR Bits</a></td></tr>
 141 <tr class="memdesc:group__CMSIS__DFSR__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 </table><table class="memberdecls">
 144 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
 145 Data Structures</h2></td></tr>
 146 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="unionDFSR__Type.html">DFSR_Type</a></td></tr>
 147 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit field declaration for DFSR layout.  <a href="unionDFSR__Type.html#details">More...</a><br /></td></tr>
 148 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 149 </table><table class="memberdecls">
 150 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 151 Functions</h2></td></tr>
 152 <tr class="memitem:ga9897e96a6ccb50199d4968fd45ab7962"><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__DFSR.html#ga9897e96a6ccb50199d4968fd45ab7962">__get_DFSR</a> (void)</td></tr>
 153 <tr class="memdesc:ga9897e96a6ccb50199d4968fd45ab7962"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get DFSR.  <br /></td></tr>
 154 <tr class="separator:ga9897e96a6ccb50199d4968fd45ab7962"><td class="memSeparator" colspan="2">&#160;</td></tr>
 155 <tr class="memitem:ga824a3e4ae371ef38641375f9fa4cc29c"><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__DFSR.html#ga824a3e4ae371ef38641375f9fa4cc29c">__set_DFSR</a> (uint32_t dfsr)</td></tr>
 156 <tr class="memdesc:ga824a3e4ae371ef38641375f9fa4cc29c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set DFSR.  <br /></td></tr>
 157 <tr class="separator:ga824a3e4ae371ef38641375f9fa4cc29c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 158 </table>
 159 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 160 <p>The DFSR holds status information about the last data fault. </p>
 161 <p><b>DFSR format when using the Short-descriptor translation table format</b></p>
 162 <table class="markdownTable">
 163 <tr class="markdownTableHead">
 164 <th class="markdownTableHeadLeft">Bits   </th><th class="markdownTableHeadLeft">Name   </th><th class="markdownTableHeadLeft">Function    </th></tr>
 165 <tr class="markdownTableRowOdd">
 166 <td class="markdownTableBodyLeft">[31:14]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 167 <tr class="markdownTableRowEven">
 168 <td class="markdownTableBodyLeft">[13]   </td><td class="markdownTableBodyLeft">CM   </td><td class="markdownTableBodyLeft">Cache maintenance fault.    </td></tr>
 169 <tr class="markdownTableRowOdd">
 170 <td class="markdownTableBodyLeft">[12]   </td><td class="markdownTableBodyLeft">ExT   </td><td class="markdownTableBodyLeft">External abort type.    </td></tr>
 171 <tr class="markdownTableRowEven">
 172 <td class="markdownTableBodyLeft">[11]   </td><td class="markdownTableBodyLeft">WnR   </td><td class="markdownTableBodyLeft">Write not Read bit.    </td></tr>
 173 <tr class="markdownTableRowOdd">
 174 <td class="markdownTableBodyLeft">[10]   </td><td class="markdownTableBodyLeft">FS[4]   </td><td class="markdownTableBodyLeft">Fault status bits.    </td></tr>
 175 <tr class="markdownTableRowEven">
 176 <td class="markdownTableBodyLeft">[9]   </td><td class="markdownTableBodyLeft">LPAE   </td><td class="markdownTableBodyLeft">Large Physical Address Extension.    </td></tr>
 177 <tr class="markdownTableRowOdd">
 178 <td class="markdownTableBodyLeft">[8]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 179 <tr class="markdownTableRowEven">
 180 <td class="markdownTableBodyLeft">[7:4]   </td><td class="markdownTableBodyLeft">Domain   </td><td class="markdownTableBodyLeft">The domain of the fault address.    </td></tr>
 181 <tr class="markdownTableRowOdd">
 182 <td class="markdownTableBodyLeft">[3:0]   </td><td class="markdownTableBodyLeft">FS[3:0]   </td><td class="markdownTableBodyLeft">Fault status bits.   </td></tr>
 183 </table>
 184 <p><b>DFSR format when using the Long-descriptor translation table format</b></p>
 185 <table class="markdownTable">
 186 <tr class="markdownTableHead">
 187 <th class="markdownTableHeadLeft">Bits   </th><th class="markdownTableHeadLeft">Name   </th><th class="markdownTableHeadLeft">Function    </th></tr>
 188 <tr class="markdownTableRowOdd">
 189 <td class="markdownTableBodyLeft">[31:14]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 190 <tr class="markdownTableRowEven">
 191 <td class="markdownTableBodyLeft">[13]   </td><td class="markdownTableBodyLeft">CM   </td><td class="markdownTableBodyLeft">Cache maintenance fault.    </td></tr>
 192 <tr class="markdownTableRowOdd">
 193 <td class="markdownTableBodyLeft">[12]   </td><td class="markdownTableBodyLeft">ExT   </td><td class="markdownTableBodyLeft">External abort type.    </td></tr>
 194 <tr class="markdownTableRowEven">
 195 <td class="markdownTableBodyLeft">[11]   </td><td class="markdownTableBodyLeft">WnR   </td><td class="markdownTableBodyLeft">Write not Read bit.    </td></tr>
 196 <tr class="markdownTableRowOdd">
 197 <td class="markdownTableBodyLeft">[10]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 198 <tr class="markdownTableRowEven">
 199 <td class="markdownTableBodyLeft">[9]   </td><td class="markdownTableBodyLeft">LPAE   </td><td class="markdownTableBodyLeft">Large Physical Address Extension.    </td></tr>
 200 <tr class="markdownTableRowOdd">
 201 <td class="markdownTableBodyLeft">[8:6]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 202 <tr class="markdownTableRowEven">
 203 <td class="markdownTableBodyLeft">[5:0]   </td><td class="markdownTableBodyLeft">STATUS   </td><td class="markdownTableBodyLeft">Fault status bits.   </td></tr>
 204 </table>
 205 <p>Consider <a class="el" href="group__CMSIS__DFSR.html#ga9897e96a6ccb50199d4968fd45ab7962">__get_DFSR</a> and <a class="el" href="group__CMSIS__DFSR.html#ga824a3e4ae371ef38641375f9fa4cc29c">__set_DFSR</a> to access this register. </p>
 206 <h2 class="groupheader">Function Documentation</h2>
 207 <a id="ga9897e96a6ccb50199d4968fd45ab7962" name="ga9897e96a6ccb50199d4968fd45ab7962"></a>
 208 <h2 class="memtitle"><span class="permalink"><a href="#ga9897e96a6ccb50199d4968fd45ab7962">&#9670;&#160;</a></span>__get_DFSR()</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_DFSR </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 DFSR. </p>
 224 <dl class="section return"><dt>Returns</dt><dd>Data Fault Status Register value</dd></dl>
 225 <p>This function returns the current value of the <a class="el" href="group__CMSIS__DFSR.html">Data Fault Status Register (DFSR)</a>. </p>
 226
 227 </div>
 228 </div>
 229 <a id="ga824a3e4ae371ef38641375f9fa4cc29c" name="ga824a3e4ae371ef38641375f9fa4cc29c"></a>
 230 <h2 class="memtitle"><span class="permalink"><a href="#ga824a3e4ae371ef38641375f9fa4cc29c">&#9670;&#160;</a></span>__set_DFSR()</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_DFSR </td>
 237           <td>(</td>
 238           <td class="paramtype">uint32_t&#160;</td>
 239           <td class="paramname"><em>dfsr</em></td><td>)</td>
 240           <td></td>
 241         </tr>
 242       </table>
 243 </div><div class="memdoc">
 244
 245 <p>Set DFSR. </p>
 246 <dl class="params"><dt>Parameters</dt><dd>
 247   <table class="params">
 248     <tr><td class="paramdir">[in]</td><td class="paramname">dfsr</td><td>Data Fault Status 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__DFSR.html">Data Fault Status Register (DFSR)</a>. </p>
 253
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