begriffs open source - cmsis/blob - CMSIS/Documentation/Core/html/group__Dcache__functions__m7.html

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 110   <div class="summary">
 111 <a href="#func-members">Functions</a>  </div>
 112   <div class="headertitle">
 113 <div class="title">D-Cache Functions<div class="ingroups"><a class="el" href="group__cache__functions__m7.html">Cache Functions  (only Cortex-M7)</a></div></div>  </div>
 114 </div><!--header-->
 115 <div class="contents">
 116
 117 <p>Functions for the data cache.
 118 <a href="#details">More...</a></p>
 119 <table class="memberdecls">
 120 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
 121 Functions</h2></td></tr>
 122 <tr class="memitem:ga63aa640d9006021a796a5dcf9c7180b6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga63aa640d9006021a796a5dcf9c7180b6">SCB_EnableDCache</a> (void)</td></tr>
 123 <tr class="memdesc:ga63aa640d9006021a796a5dcf9c7180b6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable D-Cache.  <a href="#ga63aa640d9006021a796a5dcf9c7180b6">More...</a><br/></td></tr>
 124 <tr class="separator:ga63aa640d9006021a796a5dcf9c7180b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
 125 <tr class="memitem:ga6468170f90d270caab8116e7a4f0b5fe"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga6468170f90d270caab8116e7a4f0b5fe">SCB_DisableDCache</a> (void)</td></tr>
 126 <tr class="memdesc:ga6468170f90d270caab8116e7a4f0b5fe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disable D-Cache.  <a href="#ga6468170f90d270caab8116e7a4f0b5fe">More...</a><br/></td></tr>
 127 <tr class="separator:ga6468170f90d270caab8116e7a4f0b5fe"><td class="memSeparator" colspan="2">&#160;</td></tr>
 128 <tr class="memitem:gace2d30db08887d0bdb818b8a785a5ce6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#gace2d30db08887d0bdb818b8a785a5ce6">SCB_InvalidateDCache</a> (void)</td></tr>
 129 <tr class="memdesc:gace2d30db08887d0bdb818b8a785a5ce6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Invalidate D-Cache.  <a href="#gace2d30db08887d0bdb818b8a785a5ce6">More...</a><br/></td></tr>
 130 <tr class="separator:gace2d30db08887d0bdb818b8a785a5ce6"><td class="memSeparator" colspan="2">&#160;</td></tr>
 131 <tr class="memitem:ga55583e3065c6eabca204b8b89b121c4c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga55583e3065c6eabca204b8b89b121c4c">SCB_CleanDCache</a> (void)</td></tr>
 132 <tr class="memdesc:ga55583e3065c6eabca204b8b89b121c4c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clean D-Cache.  <a href="#ga55583e3065c6eabca204b8b89b121c4c">More...</a><br/></td></tr>
 133 <tr class="separator:ga55583e3065c6eabca204b8b89b121c4c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 134 <tr class="memitem:ga1b741def9e3b2ca97dc9ea49b8ce505c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga1b741def9e3b2ca97dc9ea49b8ce505c">SCB_CleanInvalidateDCache</a> (void)</td></tr>
 135 <tr class="memdesc:ga1b741def9e3b2ca97dc9ea49b8ce505c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clean &amp; Invalidate D-Cache.  <a href="#ga1b741def9e3b2ca97dc9ea49b8ce505c">More...</a><br/></td></tr>
 136 <tr class="separator:ga1b741def9e3b2ca97dc9ea49b8ce505c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 137 <tr class="memitem:ga503ef7ef58c0773defd15a82f6336c09"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga503ef7ef58c0773defd15a82f6336c09">SCB_InvalidateDCache_by_Addr</a> (uint32_t *addr, int32_t dsize)</td></tr>
 138 <tr class="memdesc:ga503ef7ef58c0773defd15a82f6336c09"><td class="mdescLeft">&#160;</td><td class="mdescRight">D-Cache Invalidate by address.  <a href="#ga503ef7ef58c0773defd15a82f6336c09">More...</a><br/></td></tr>
 139 <tr class="separator:ga503ef7ef58c0773defd15a82f6336c09"><td class="memSeparator" colspan="2">&#160;</td></tr>
 140 <tr class="memitem:ga696fadbf7b9cc71dad42fab61873a40d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga696fadbf7b9cc71dad42fab61873a40d">SCB_CleanDCache_by_Addr</a> (uint32_t *addr, int32_t dsize)</td></tr>
 141 <tr class="memdesc:ga696fadbf7b9cc71dad42fab61873a40d"><td class="mdescLeft">&#160;</td><td class="mdescRight">D-Cache Clean by address.  <a href="#ga696fadbf7b9cc71dad42fab61873a40d">More...</a><br/></td></tr>
 142 <tr class="separator:ga696fadbf7b9cc71dad42fab61873a40d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 143 <tr class="memitem:ga630131b2572eaa16b569ed364dfc895e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Dcache__functions__m7.html#ga630131b2572eaa16b569ed364dfc895e">SCB_CleanInvalidateDCache_by_Addr</a> (uint32_t *addr, int32_t dsize)</td></tr>
 144 <tr class="memdesc:ga630131b2572eaa16b569ed364dfc895e"><td class="mdescLeft">&#160;</td><td class="mdescRight">D-Cache Clean and Invalidate by address.  <a href="#ga630131b2572eaa16b569ed364dfc895e">More...</a><br/></td></tr>
 145 <tr class="separator:ga630131b2572eaa16b569ed364dfc895e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 146 </table>
 147 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 148 <p>// close ICache functions </p>
 149 <h2 class="groupheader">Function Documentation</h2>
 150 <a class="anchor" id="ga55583e3065c6eabca204b8b89b121c4c"></a>
 151 <div class="memitem">
 152 <div class="memproto">
 153       <table class="memname">
 154         <tr>
 155           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_CleanDCache </td>
 156           <td>(</td>
 157           <td class="paramtype">void&#160;</td>
 158           <td class="paramname"></td><td>)</td>
 159           <td></td>
 160         </tr>
 161       </table>
 162 </div><div class="memdoc">
 163 <p>The function cleans the entire data cache. </p>
 164
 165 </div>
 166 </div>
 167 <a class="anchor" id="ga696fadbf7b9cc71dad42fab61873a40d"></a>
 168 <div class="memitem">
 169 <div class="memproto">
 170       <table class="memname">
 171         <tr>
 172           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_CleanDCache_by_Addr </td>
 173           <td>(</td>
 174           <td class="paramtype">uint32_t *&#160;</td>
 175           <td class="paramname"><em>addr</em>, </td>
 176         </tr>
 177         <tr>
 178           <td class="paramkey"></td>
 179           <td></td>
 180           <td class="paramtype">int32_t&#160;</td>
 181           <td class="paramname"><em>dsize</em>&#160;</td>
 182         </tr>
 183         <tr>
 184           <td></td>
 185           <td>)</td>
 186           <td></td><td></td>
 187         </tr>
 188       </table>
 189 </div><div class="memdoc">
 190 <dl class="params"><dt>Parameters</dt><dd>
 191   <table class="params">
 192     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>address (aligned to 32-byte boundary) </td></tr>
 193     <tr><td class="paramdir">[in]</td><td class="paramname">dsize</td><td>size of memory block (in number of bytes)</td></tr>
 194   </table>
 195   </dd>
 196 </dl>
 197 <p>The function cleans a memory block of size <em>dsize</em> [bytes] starting at address <em>address</em>. The address is aligned to 32-byte boundry. </p>
 198
 199 </div>
 200 </div>
 201 <a class="anchor" id="ga1b741def9e3b2ca97dc9ea49b8ce505c"></a>
 202 <div class="memitem">
 203 <div class="memproto">
 204       <table class="memname">
 205         <tr>
 206           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_CleanInvalidateDCache </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 <p>The function cleans and invalidates the entire data cache. </p>
 215
 216 </div>
 217 </div>
 218 <a class="anchor" id="ga630131b2572eaa16b569ed364dfc895e"></a>
 219 <div class="memitem">
 220 <div class="memproto">
 221       <table class="memname">
 222         <tr>
 223           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_CleanInvalidateDCache_by_Addr </td>
 224           <td>(</td>
 225           <td class="paramtype">uint32_t *&#160;</td>
 226           <td class="paramname"><em>addr</em>, </td>
 227         </tr>
 228         <tr>
 229           <td class="paramkey"></td>
 230           <td></td>
 231           <td class="paramtype">int32_t&#160;</td>
 232           <td class="paramname"><em>dsize</em>&#160;</td>
 233         </tr>
 234         <tr>
 235           <td></td>
 236           <td>)</td>
 237           <td></td><td></td>
 238         </tr>
 239       </table>
 240 </div><div class="memdoc">
 241 <dl class="params"><dt>Parameters</dt><dd>
 242   <table class="params">
 243     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>address (aligned to 32-byte boundary) </td></tr>
 244     <tr><td class="paramdir">[in]</td><td class="paramname">dsize</td><td>size of memory block (in number of bytes)</td></tr>
 245   </table>
 246   </dd>
 247 </dl>
 248 <p>The function invalidates and cleans a memory block of size <em>dsize</em> [bytes] starting at address <em>address</em>. The address is aligned to 32-byte boundry. </p>
 249
 250 </div>
 251 </div>
 252 <a class="anchor" id="ga6468170f90d270caab8116e7a4f0b5fe"></a>
 253 <div class="memitem">
 254 <div class="memproto">
 255       <table class="memname">
 256         <tr>
 257           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_DisableDCache </td>
 258           <td>(</td>
 259           <td class="paramtype">void&#160;</td>
 260           <td class="paramname"></td><td>)</td>
 261           <td></td>
 262         </tr>
 263       </table>
 264 </div><div class="memdoc">
 265 <p>The function turns off the entire data cache.</p>
 266 <dl class="section note"><dt>Note</dt><dd>When disabling the data cache, you must clean (<a class="el" href="group__Dcache__functions__m7.html#ga55583e3065c6eabca204b8b89b121c4c">SCB_CleanDCache</a>) the entire cache to ensure that any dirty data is flushed to external memory. </dd></dl>
 267
 268 </div>
 269 </div>
 270 <a class="anchor" id="ga63aa640d9006021a796a5dcf9c7180b6"></a>
 271 <div class="memitem">
 272 <div class="memproto">
 273       <table class="memname">
 274         <tr>
 275           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_EnableDCache </td>
 276           <td>(</td>
 277           <td class="paramtype">void&#160;</td>
 278           <td class="paramname"></td><td>)</td>
 279           <td></td>
 280         </tr>
 281       </table>
 282 </div><div class="memdoc">
 283 <p>The function turns on the entire data cache. </p>
 284 <dl class="section note"><dt>Note</dt><dd>Before enabling the data cache, you must invalidate the entire data cache (<a class="el" href="group__Dcache__functions__m7.html#gace2d30db08887d0bdb818b8a785a5ce6">SCB_InvalidateDCache</a>), because external memory might have changed from when the cache was disabled.</dd>
 285 <dd>
 286 After reset, you must invalidate (<a class="el" href="group__Dcache__functions__m7.html#gace2d30db08887d0bdb818b8a785a5ce6">SCB_InvalidateDCache</a>) each cache before enabling it. </dd></dl>
 287
 288 </div>
 289 </div>
 290 <a class="anchor" id="gace2d30db08887d0bdb818b8a785a5ce6"></a>
 291 <div class="memitem">
 292 <div class="memproto">
 293       <table class="memname">
 294         <tr>
 295           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_InvalidateDCache </td>
 296           <td>(</td>
 297           <td class="paramtype">void&#160;</td>
 298           <td class="paramname"></td><td>)</td>
 299           <td></td>
 300         </tr>
 301       </table>
 302 </div><div class="memdoc">
 303 <p>The function invalidates the entire data cache.</p>
 304 <dl class="section note"><dt>Note</dt><dd>After reset, you must invalidate each cache before enabling (<a class="el" href="group__Dcache__functions__m7.html#ga63aa640d9006021a796a5dcf9c7180b6">SCB_EnableDCache</a>) it. </dd></dl>
 305
 306 </div>
 307 </div>
 308 <a class="anchor" id="ga503ef7ef58c0773defd15a82f6336c09"></a>
 309 <div class="memitem">
 310 <div class="memproto">
 311       <table class="memname">
 312         <tr>
 313           <td class="memname"><a class="el" href="group__compiler__conntrol__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void SCB_InvalidateDCache_by_Addr </td>
 314           <td>(</td>
 315           <td class="paramtype">uint32_t *&#160;</td>
 316           <td class="paramname"><em>addr</em>, </td>
 317         </tr>
 318         <tr>
 319           <td class="paramkey"></td>
 320           <td></td>
 321           <td class="paramtype">int32_t&#160;</td>
 322           <td class="paramname"><em>dsize</em>&#160;</td>
 323         </tr>
 324         <tr>
 325           <td></td>
 326           <td>)</td>
 327           <td></td><td></td>
 328         </tr>
 329       </table>
 330 </div><div class="memdoc">
 331 <dl class="params"><dt>Parameters</dt><dd>
 332   <table class="params">
 333     <tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>address (aligned to 32-byte boundary) </td></tr>
 334     <tr><td class="paramdir">[in]</td><td class="paramname">dsize</td><td>size of memory block (in number of bytes)</td></tr>
 335   </table>
 336   </dd>
 337 </dl>
 338 <p>The function invalidates a memory block of size <em>dsize</em> [bytes] starting at address <em>address</em>. The address is aligned to 32-byte boundry. </p>
 339
 340 </div>
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