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131 <div class="headertitle"><div class="title">Auxiliary Control Register (ACTLR)<div class="ingroups"><a class="el" href="group__CMSIS__core__register.html">Core Register Access</a></div></div></div>
133 <div class="contents">
135 <p>The ACTLR provides IMPLEMENTATION DEFINED configuration and control options.
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__ACTLR__BITS"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__ACTLR__BITS.html">ACTLR Bits</a></td></tr>
141 <tr class="memdesc:group__CMSIS__ACTLR__BITS"><td class="mdescLeft"> </td><td class="mdescRight">Bit position and mask macros. <br /></td></tr>
142 <tr class="separator:"><td class="memSeparator" colspan="2"> </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  </td><td class="memItemRight" valign="bottom"><a class="el" href="unionACTLR__Type.html">ACTLR_Type</a></td></tr>
147 <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Bit field declaration for ACTLR layout. <a href="unionACTLR__Type.html#details">More...</a><br /></td></tr>
148 <tr class="separator:"><td class="memSeparator" colspan="2"> </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:ga6317030a08c8c015425ffd0e3e7dae17"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cmsis__armclang__a_8h.html#ab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__ACTLR.html#ga6317030a08c8c015425ffd0e3e7dae17">__set_ACTLR</a> (uint32_t actlr)</td></tr>
153 <tr class="memdesc:ga6317030a08c8c015425ffd0e3e7dae17"><td class="mdescLeft"> </td><td class="mdescRight">Set ACTLR. <br /></td></tr>
154 <tr class="separator:ga6317030a08c8c015425ffd0e3e7dae17"><td class="memSeparator" colspan="2"> </td></tr>
155 <tr class="memitem:gae75d412bfd6fe873ade00b021aefcab3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cmsis__armclang__a_8h.html#ab904513442afdf77d4f8c74f23cbb040">__STATIC_FORCEINLINE</a> uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__ACTLR.html#gae75d412bfd6fe873ade00b021aefcab3">__get_ACTLR</a> (void)</td></tr>
156 <tr class="memdesc:gae75d412bfd6fe873ade00b021aefcab3"><td class="mdescLeft"> </td><td class="mdescRight">Get ACTLR. <br /></td></tr>
157 <tr class="separator:gae75d412bfd6fe873ade00b021aefcab3"><td class="memSeparator" colspan="2"> </td></tr>
159 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
160 <p>The ACTLR provides IMPLEMENTATION DEFINED configuration and control options. </p>
161 <p>The ACTLR characteristics are differs between various Armv7-A implementations.</p>
162 <p><b>Cortex-A5</b></p>
163 <table class="markdownTable">
164 <tr class="markdownTableHead">
165 <th class="markdownTableHeadLeft">Bits </th><th class="markdownTableHeadLeft">Name </th><th class="markdownTableHeadLeft">Function </th></tr>
166 <tr class="markdownTableRowOdd">
167 <td class="markdownTableBodyLeft">[31:29] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
168 <tr class="markdownTableRowEven">
169 <td class="markdownTableBodyLeft">[28] </td><td class="markdownTableBodyLeft">DBDI </td><td class="markdownTableBodyLeft">Disable Branch Dual Issue </td></tr>
170 <tr class="markdownTableRowOdd">
171 <td class="markdownTableBodyLeft">[27:19] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
172 <tr class="markdownTableRowEven">
173 <td class="markdownTableBodyLeft">[18] </td><td class="markdownTableBodyLeft">BTDIS </td><td class="markdownTableBodyLeft">Disable indirect Branch Target Address Cache (BTAC). </td></tr>
174 <tr class="markdownTableRowOdd">
175 <td class="markdownTableBodyLeft">[17] </td><td class="markdownTableBodyLeft">RSDIS </td><td class="markdownTableBodyLeft">Disable return stack operation. </td></tr>
176 <tr class="markdownTableRowEven">
177 <td class="markdownTableBodyLeft">[16:15] </td><td class="markdownTableBodyLeft">BP </td><td class="markdownTableBodyLeft">Branch prediction policy. </td></tr>
178 <tr class="markdownTableRowOdd">
179 <td class="markdownTableBodyLeft">[14:13] </td><td class="markdownTableBodyLeft">L1PCTL </td><td class="markdownTableBodyLeft">L1 Data prefetch control. </td></tr>
180 <tr class="markdownTableRowEven">
181 <td class="markdownTableBodyLeft">[12] </td><td class="markdownTableBodyLeft">RADIS </td><td class="markdownTableBodyLeft">Disable Data Cache read-allocate mode. </td></tr>
182 <tr class="markdownTableRowOdd">
183 <td class="markdownTableBodyLeft">[11] </td><td class="markdownTableBodyLeft">DWBST </td><td class="markdownTableBodyLeft">Disable AXI data write bursts to Normal memory. </td></tr>
184 <tr class="markdownTableRowEven">
185 <td class="markdownTableBodyLeft">[10] </td><td class="markdownTableBodyLeft">DODMBS </td><td class="markdownTableBodyLeft">Disable optimized data memory barrier behavior. </td></tr>
186 <tr class="markdownTableRowOdd">
187 <td class="markdownTableBodyLeft">[9:8] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
188 <tr class="markdownTableRowEven">
189 <td class="markdownTableBodyLeft">[7] </td><td class="markdownTableBodyLeft">EXCL </td><td class="markdownTableBodyLeft">Exclusive L1/L2 cache control. </td></tr>
190 <tr class="markdownTableRowOdd">
191 <td class="markdownTableBodyLeft">[6] </td><td class="markdownTableBodyLeft">SMP </td><td class="markdownTableBodyLeft">Enables coherent requests to the processor. </td></tr>
192 <tr class="markdownTableRowEven">
193 <td class="markdownTableBodyLeft">[5:1] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
194 <tr class="markdownTableRowOdd">
195 <td class="markdownTableBodyLeft">[0] </td><td class="markdownTableBodyLeft">FW </td><td class="markdownTableBodyLeft">Cache and TLB maintenance broadcast. </td></tr>
197 <p><b>Cortex-A7</b></p>
198 <table class="markdownTable">
199 <tr class="markdownTableHead">
200 <th class="markdownTableHeadLeft">Bits </th><th class="markdownTableHeadLeft">Name </th><th class="markdownTableHeadLeft">Function </th></tr>
201 <tr class="markdownTableRowOdd">
202 <td class="markdownTableBodyLeft">[31:29] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
203 <tr class="markdownTableRowEven">
204 <td class="markdownTableBodyLeft">[28] </td><td class="markdownTableBodyLeft">DDI </td><td class="markdownTableBodyLeft">Disable Dual Issue </td></tr>
205 <tr class="markdownTableRowOdd">
206 <td class="markdownTableBodyLeft">[27:16] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
207 <tr class="markdownTableRowEven">
208 <td class="markdownTableBodyLeft">[15] </td><td class="markdownTableBodyLeft">DDVM </td><td class="markdownTableBodyLeft">Disable Distributed Virtual Memory transactions. </td></tr>
209 <tr class="markdownTableRowOdd">
210 <td class="markdownTableBodyLeft">[14:13] </td><td class="markdownTableBodyLeft">L1PCTL </td><td class="markdownTableBodyLeft">L1 Data prefetch control. </td></tr>
211 <tr class="markdownTableRowEven">
212 <td class="markdownTableBodyLeft">[12] </td><td class="markdownTableBodyLeft">L1RADIS </td><td class="markdownTableBodyLeft">L1 Data Cache read-allocate mode disable. </td></tr>
213 <tr class="markdownTableRowOdd">
214 <td class="markdownTableBodyLeft">[11] </td><td class="markdownTableBodyLeft">L2RADIS </td><td class="markdownTableBodyLeft">L2 Data Cache read-allocate mode disable. </td></tr>
215 <tr class="markdownTableRowEven">
216 <td class="markdownTableBodyLeft">[10] </td><td class="markdownTableBodyLeft">DODMBS </td><td class="markdownTableBodyLeft">Disable optimized data memory barrier behavior. </td></tr>
217 <tr class="markdownTableRowOdd">
218 <td class="markdownTableBodyLeft">[9:7] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
219 <tr class="markdownTableRowEven">
220 <td class="markdownTableBodyLeft">[6] </td><td class="markdownTableBodyLeft">SMP </td><td class="markdownTableBodyLeft">Enables coherent requests to the processor. </td></tr>
221 <tr class="markdownTableRowOdd">
222 <td class="markdownTableBodyLeft">[5:0] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
224 <p><b>Cortex-A9</b></p>
225 <table class="markdownTable">
226 <tr class="markdownTableHead">
227 <th class="markdownTableHeadLeft">Bits </th><th class="markdownTableHeadLeft">Name </th><th class="markdownTableHeadLeft">Function </th></tr>
228 <tr class="markdownTableRowOdd">
229 <td class="markdownTableBodyLeft">[31:10] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
230 <tr class="markdownTableRowEven">
231 <td class="markdownTableBodyLeft">[9] </td><td class="markdownTableBodyLeft">PARITY </td><td class="markdownTableBodyLeft">Support for parity checking, if implemented. </td></tr>
232 <tr class="markdownTableRowOdd">
233 <td class="markdownTableBodyLeft">[8] </td><td class="markdownTableBodyLeft">AOW </td><td class="markdownTableBodyLeft">Enable allocation in one cache way only. </td></tr>
234 <tr class="markdownTableRowEven">
235 <td class="markdownTableBodyLeft">[7] </td><td class="markdownTableBodyLeft">EXCL </td><td class="markdownTableBodyLeft">Exclusive L1/L2 cache control. </td></tr>
236 <tr class="markdownTableRowOdd">
237 <td class="markdownTableBodyLeft">[6] </td><td class="markdownTableBodyLeft">SMP </td><td class="markdownTableBodyLeft">Enables coherent requests to the processor. </td></tr>
238 <tr class="markdownTableRowEven">
239 <td class="markdownTableBodyLeft">[5:4] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
240 <tr class="markdownTableRowOdd">
241 <td class="markdownTableBodyLeft">[3] </td><td class="markdownTableBodyLeft">WFLZM </td><td class="markdownTableBodyLeft">Enable write full line of zeros modea. </td></tr>
242 <tr class="markdownTableRowEven">
243 <td class="markdownTableBodyLeft">[2] </td><td class="markdownTableBodyLeft">L1PE </td><td class="markdownTableBodyLeft">Dside prefetch. </td></tr>
244 <tr class="markdownTableRowOdd">
245 <td class="markdownTableBodyLeft">[1] </td><td class="markdownTableBodyLeft">- </td><td class="markdownTableBodyLeft">Reserved. </td></tr>
246 <tr class="markdownTableRowEven">
247 <td class="markdownTableBodyLeft">[0] </td><td class="markdownTableBodyLeft">FW </td><td class="markdownTableBodyLeft">Cache and TLB maintenance broadcast. </td></tr>
249 <p>Consider using <a class="el" href="group__CMSIS__ACTLR.html#gae75d412bfd6fe873ade00b021aefcab3">__get_ACTLR</a> and <a class="el" href="group__CMSIS__ACTLR.html#ga6317030a08c8c015425ffd0e3e7dae17">__set_ACTLR</a> to access ACTRL register. </p>
250 <h2 class="groupheader">Function Documentation</h2>
251 <a id="gae75d412bfd6fe873ade00b021aefcab3" name="gae75d412bfd6fe873ade00b021aefcab3"></a>
252 <h2 class="memtitle"><span class="permalink"><a href="#gae75d412bfd6fe873ade00b021aefcab3">◆ </a></span>__get_ACTLR()</h2>
254 <div class="memitem">
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256 <table class="memname">
258 <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> uint32_t __get_ACTLR </td>
260 <td class="paramtype">void </td>
261 <td class="paramname"></td><td>)</td>
265 </div><div class="memdoc">
268 <dl class="section return"><dt>Returns</dt><dd>Auxiliary Control register value</dd></dl>
269 <p>This function returns the value of the <a class="el" href="group__CMSIS__ACTLR.html">Auxiliary Control Register (ACTLR)</a>. </p>
273 <a id="ga6317030a08c8c015425ffd0e3e7dae17" name="ga6317030a08c8c015425ffd0e3e7dae17"></a>
274 <h2 class="memtitle"><span class="permalink"><a href="#ga6317030a08c8c015425ffd0e3e7dae17">◆ </a></span>__set_ACTLR()</h2>
276 <div class="memitem">
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280 <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void __set_ACTLR </td>
282 <td class="paramtype">uint32_t </td>
283 <td class="paramname"><em>actlr</em></td><td>)</td>
287 </div><div class="memdoc">
290 <dl class="params"><dt>Parameters</dt><dd>
291 <table class="params">
292 <tr><td class="paramdir">[in]</td><td class="paramname">actlr</td><td>Auxiliary Control value to set</td></tr>
296 <p>This function assigns the given value to the <a class="el" href="group__CMSIS__ACTLR.html">Auxiliary Control Register (ACTLR)</a>. </p>
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