begriffs open source - cmsis/blob - v6.1.0-rc1/Core_A/group__CMSIS__IFSR.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">Instruction Fault Status Register (IFSR)<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 IFSR holds status information about the last instruction 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__IFSR__BITS"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__IFSR__BITS.html">IFSR Bits</a></td></tr>
 141 <tr class="memdesc:group__CMSIS__IFSR__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="unionIFSR__Type.html">IFSR_Type</a></td></tr>
 147 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit field declaration for IFSR layout.  <a href="unionIFSR__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:ga9350226159749b673afd56a3b24953a0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__comp__cntrl__gr.html#gab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__IFSR.html#ga9350226159749b673afd56a3b24953a0">__get_IFSR</a> (void)</td></tr>
 153 <tr class="memdesc:ga9350226159749b673afd56a3b24953a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get IFSR.  <br /></td></tr>
 154 <tr class="separator:ga9350226159749b673afd56a3b24953a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 155 <tr class="memitem:ga5bd9b703236cf2566eeed0ed59dda8a6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__comp__cntrl__gr.html#gab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__IFSR.html#ga5bd9b703236cf2566eeed0ed59dda8a6">__set_IFSR</a> (uint32_t ifsr)</td></tr>
 156 <tr class="memdesc:ga5bd9b703236cf2566eeed0ed59dda8a6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set IFSR.  <br /></td></tr>
 157 <tr class="separator:ga5bd9b703236cf2566eeed0ed59dda8a6"><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 IFSR holds status information about the last instruction 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">[31:13]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 167 <tr class="markdownTableRowEven">
 168 <td class="markdownTableBodyLeft">[12]   </td><td class="markdownTableBodyLeft">ExT   </td><td class="markdownTableBodyLeft">External abort type.    </td></tr>
 169 <tr class="markdownTableRowOdd">
 170 <td class="markdownTableBodyLeft">[11]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 171 <tr class="markdownTableRowEven">
 172 <td class="markdownTableBodyLeft">[10]   </td><td class="markdownTableBodyLeft">FS[4]   </td><td class="markdownTableBodyLeft">Fault status bits.    </td></tr>
 173 <tr class="markdownTableRowOdd">
 174 <td class="markdownTableBodyLeft">[9]   </td><td class="markdownTableBodyLeft">LPAE   </td><td class="markdownTableBodyLeft">Large Physical Address Extension.    </td></tr>
 175 <tr class="markdownTableRowEven">
 176 <td class="markdownTableBodyLeft">[8:4]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 177 <tr class="markdownTableRowOdd">
 178 <td class="markdownTableBodyLeft">[3:0]   </td><td class="markdownTableBodyLeft">FS[3:0]   </td><td class="markdownTableBodyLeft">Fault status bits.   </td></tr>
 179 </table>
 180 <p><b>DFSR format when using the Long-descriptor translation table format</b></p>
 181 <table class="markdownTable">
 182 <tr class="markdownTableHead">
 183 <th class="markdownTableHeadLeft">Bits   </th><th class="markdownTableHeadLeft">Name   </th><th class="markdownTableHeadLeft">Function    </th></tr>
 184 <tr class="markdownTableRowOdd">
 185 <td class="markdownTableBodyLeft">[31:13]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 186 <tr class="markdownTableRowEven">
 187 <td class="markdownTableBodyLeft">[12]   </td><td class="markdownTableBodyLeft">ExT   </td><td class="markdownTableBodyLeft">External abort type.    </td></tr>
 188 <tr class="markdownTableRowOdd">
 189 <td class="markdownTableBodyLeft">[11:10]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 190 <tr class="markdownTableRowEven">
 191 <td class="markdownTableBodyLeft">[9]   </td><td class="markdownTableBodyLeft">LPAE   </td><td class="markdownTableBodyLeft">Large Physical Address Extension.    </td></tr>
 192 <tr class="markdownTableRowOdd">
 193 <td class="markdownTableBodyLeft">[8:6]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 194 <tr class="markdownTableRowEven">
 195 <td class="markdownTableBodyLeft">[5:0]   </td><td class="markdownTableBodyLeft">STATUS   </td><td class="markdownTableBodyLeft">Fault status bits.   </td></tr>
 196 </table>
 197 <p>Consider <a class="el" href="group__CMSIS__IFSR.html#ga9350226159749b673afd56a3b24953a0">__get_IFSR</a> and <a class="el" href="group__CMSIS__IFSR.html#ga5bd9b703236cf2566eeed0ed59dda8a6">__set_IFSR</a> to access this register. </p>
 198 <h2 class="groupheader">Function Documentation</h2>
 199 <a id="ga9350226159749b673afd56a3b24953a0" name="ga9350226159749b673afd56a3b24953a0"></a>
 200 <h2 class="memtitle"><span class="permalink"><a href="#ga9350226159749b673afd56a3b24953a0">&#9670;&#160;</a></span>__get_IFSR()</h2>
 201
 202 <div class="memitem">
 203 <div class="memproto">
 204       <table class="memname">
 205         <tr>
 206           <td class="memname">__STATIC_INLINE uint32_t __get_IFSR </td>
 207           <td>(</td>
 208           <td class="paramtype">void&#160;</td>
 209           <td class="paramname"></td><td>)</td>
 210           <td></td>
 211         </tr>
 212       </table>
 213 </div><div class="memdoc">
 214
 215 <p>Get IFSR. </p>
 216 <dl class="section return"><dt>Returns</dt><dd>Instruction Fault Status Register value</dd></dl>
 217 <p>This function returns the current value of the <a class="el" href="group__CMSIS__IFSR.html">Instruction Fault Status Register (IFSR)</a>. </p>
 218
 219 </div>
 220 </div>
 221 <a id="ga5bd9b703236cf2566eeed0ed59dda8a6" name="ga5bd9b703236cf2566eeed0ed59dda8a6"></a>
 222 <h2 class="memtitle"><span class="permalink"><a href="#ga5bd9b703236cf2566eeed0ed59dda8a6">&#9670;&#160;</a></span>__set_IFSR()</h2>
 223
 224 <div class="memitem">
 225 <div class="memproto">
 226       <table class="memname">
 227         <tr>
 228           <td class="memname">__STATIC_INLINE void __set_IFSR </td>
 229           <td>(</td>
 230           <td class="paramtype">uint32_t&#160;</td>
 231           <td class="paramname"><em>ifsr</em></td><td>)</td>
 232           <td></td>
 233         </tr>
 234       </table>
 235 </div><div class="memdoc">
 236
 237 <p>Set IFSR. </p>
 238 <dl class="params"><dt>Parameters</dt><dd>
 239   <table class="params">
 240     <tr><td class="paramdir">[in]</td><td class="paramname">ifsr</td><td>Instruction Fault Status value to set</td></tr>
 241   </table>
 242   </dd>
 243 </dl>
 244 <p>This function assigns the given value to the <a class="el" href="group__CMSIS__IFSR.html">Instruction Fault Status Register (IFSR)</a>. </p>
 245
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