Drivers/CMSIS/docs/Core_A/html/group__CMSIS__DFSR.html


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<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>
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<p>The DFSR holds status information about the last data fault.  
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Content</h2></td></tr>
<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>
<tr class="memdesc:group__CMSIS__DFSR__BITS"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit position and mask macros. <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="unionDFSR__Type.html">DFSR_Type</a></td></tr>
<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>
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<tr class="memdesc:ga9897e96a6ccb50199d4968fd45ab7962"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get DFSR.  <a href="#ga9897e96a6ccb50199d4968fd45ab7962">More...</a><br/></td></tr>
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<tr class="memdesc:ga824a3e4ae371ef38641375f9fa4cc29c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set DFSR.  <a href="#ga824a3e4ae371ef38641375f9fa4cc29c">More...</a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p><b>DFSR format when using the Short-descriptor translation table format</b></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">[31:14] </td><td align="left">- </td><td align="left">Reserved. </td></tr>
<tr>
<td align="left">[13] </td><td align="left">CM </td><td align="left">Cache maintenance fault. </td></tr>
<tr>
<td align="left">[12] </td><td align="left">ExT </td><td align="left">External abort type. </td></tr>
<tr>
<td align="left">[11] </td><td align="left">WnR </td><td align="left">Write not Read bit. </td></tr>
<tr>
<td align="left">[10] </td><td align="left">FS[4] </td><td align="left">Fault status bits. </td></tr>
<tr>
<td align="left">[9] </td><td align="left">LPAE </td><td align="left">Large Physical Address Extension. </td></tr>
<tr>
<td align="left">[8] </td><td align="left">- </td><td align="left">Reserved. </td></tr>
<tr>
<td align="left">[7:4] </td><td align="left">Domain </td><td align="left">The domain of the fault address. </td></tr>
<tr>
<td align="left">[3:0] </td><td align="left">FS[3:0] </td><td align="left">Fault status bits. </td></tr>
</table>
<p><b>DFSR format when using the Long-descriptor translation table format</b></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">[31:14] </td><td align="left">- </td><td align="left">Reserved. </td></tr>
<tr>
<td align="left">[13] </td><td align="left">CM </td><td align="left">Cache maintenance fault. </td></tr>
<tr>
<td align="left">[12] </td><td align="left">ExT </td><td align="left">External abort type. </td></tr>
<tr>
<td align="left">[11] </td><td align="left">WnR </td><td align="left">Write not Read bit. </td></tr>
<tr>
<td align="left">[10] </td><td align="left">- </td><td align="left">Reserved. </td></tr>
<tr>
<td align="left">[9] </td><td align="left">LPAE </td><td align="left">Large Physical Address Extension. </td></tr>
<tr>
<td align="left">[8:6] </td><td align="left">- </td><td align="left">Reserved. </td></tr>
<tr>
<td align="left">[5:0] </td><td align="left">STATUS </td><td align="left">Fault status bits. </td></tr>
</table>
<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>
<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_DFSR </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>Data Fault Status Register value</dd></dl>
<p>This function returns the current value of the <a class="el" href="group__CMSIS__DFSR.html">Data Fault Status Register (DFSR)</a>. </p>

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          <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void __set_DFSR </td>
          <td>(</td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>dfsr</em></td><td>)</td>
          <td></td>
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<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">dfsr</td><td>Data Fault Status value to set</td></tr>
  </table>
  </dd>
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<p>This function assigns the given value to the <a class="el" href="group__CMSIS__DFSR.html">Data Fault Status Register (DFSR)</a>. </p>

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