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<div id="projectname">CMSIS-CORE
 <span id="projectnumber">Version 4.30</span>
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<div id="projectbrief">CMSIS-CORE support for Cortex-M processor-based devices</div>
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<a href="#func-members">Functions</a> </div>
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<div class="title">D-Cache Functions</div> </div>
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<p>Functions for the data cache.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga63aa640d9006021a796a5dcf9c7180b6"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___dcache__functions__m7.html#ga63aa640d9006021a796a5dcf9c7180b6">SCB_EnableDCache</a> (void)</td></tr>
<tr class="memdesc:ga63aa640d9006021a796a5dcf9c7180b6"><td class="mdescLeft"> </td><td class="mdescRight">Enable D-Cache. <a href="#ga63aa640d9006021a796a5dcf9c7180b6"></a><br/></td></tr>
<tr class="separator:ga63aa640d9006021a796a5dcf9c7180b6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6468170f90d270caab8116e7a4f0b5fe"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___dcache__functions__m7.html#ga6468170f90d270caab8116e7a4f0b5fe">SCB_DisableDCache</a> (void)</td></tr>
<tr class="memdesc:ga6468170f90d270caab8116e7a4f0b5fe"><td class="mdescLeft"> </td><td class="mdescRight">Disable D-Cache. <a href="#ga6468170f90d270caab8116e7a4f0b5fe"></a><br/></td></tr>
<tr class="separator:ga6468170f90d270caab8116e7a4f0b5fe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gace2d30db08887d0bdb818b8a785a5ce6"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___dcache__functions__m7.html#gace2d30db08887d0bdb818b8a785a5ce6">SCB_InvalidateDCache</a> (void)</td></tr>
<tr class="memdesc:gace2d30db08887d0bdb818b8a785a5ce6"><td class="mdescLeft"> </td><td class="mdescRight">Invalidate D-Cache. <a href="#gace2d30db08887d0bdb818b8a785a5ce6"></a><br/></td></tr>
<tr class="separator:gace2d30db08887d0bdb818b8a785a5ce6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga55583e3065c6eabca204b8b89b121c4c"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___dcache__functions__m7.html#ga55583e3065c6eabca204b8b89b121c4c">SCB_CleanDCache</a> (void)</td></tr>
<tr class="memdesc:ga55583e3065c6eabca204b8b89b121c4c"><td class="mdescLeft"> </td><td class="mdescRight">Clean D-Cache. <a href="#ga55583e3065c6eabca204b8b89b121c4c"></a><br/></td></tr>
<tr class="separator:ga55583e3065c6eabca204b8b89b121c4c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1b741def9e3b2ca97dc9ea49b8ce505c"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___dcache__functions__m7.html#ga1b741def9e3b2ca97dc9ea49b8ce505c">SCB_CleanInvalidateDCache</a> (void)</td></tr>
<tr class="memdesc:ga1b741def9e3b2ca97dc9ea49b8ce505c"><td class="mdescLeft"> </td><td class="mdescRight">Clean & Invalidate D-Cache. <a href="#ga1b741def9e3b2ca97dc9ea49b8ce505c"></a><br/></td></tr>
<tr class="separator:ga1b741def9e3b2ca97dc9ea49b8ce505c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga503ef7ef58c0773defd15a82f6336c09"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </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>
<tr class="memdesc:ga503ef7ef58c0773defd15a82f6336c09"><td class="mdescLeft"> </td><td class="mdescRight">D-Cache Invalidate by address. <a href="#ga503ef7ef58c0773defd15a82f6336c09"></a><br/></td></tr>
<tr class="separator:ga503ef7ef58c0773defd15a82f6336c09"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga696fadbf7b9cc71dad42fab61873a40d"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </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>
<tr class="memdesc:ga696fadbf7b9cc71dad42fab61873a40d"><td class="mdescLeft"> </td><td class="mdescRight">D-Cache Clean by address. <a href="#ga696fadbf7b9cc71dad42fab61873a40d"></a><br/></td></tr>
<tr class="separator:ga696fadbf7b9cc71dad42fab61873a40d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga630131b2572eaa16b569ed364dfc895e"><td class="memItemLeft" align="right" valign="top">__STATIC_INLINE void </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>
<tr class="memdesc:ga630131b2572eaa16b569ed364dfc895e"><td class="mdescLeft"> </td><td class="mdescRight">D-Cache Clean and Invalidate by address. <a href="#ga630131b2572eaa16b569ed364dfc895e"></a><br/></td></tr>
<tr class="separator:ga630131b2572eaa16b569ed364dfc895e"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>// close ICache functions </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga55583e3065c6eabca204b8b89b121c4c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_CleanDCache </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The function cleans the entire data cache. </p>
</div>
</div>
<a class="anchor" id="ga696fadbf7b9cc71dad42fab61873a40d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_CleanDCache_by_Addr </td>
<td>(</td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>dsize</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>address (aligned to 32-byte boundary) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dsize</td><td>size of memory block (in number of bytes)</td></tr>
</table>
</dd>
</dl>
<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>
</div>
</div>
<a class="anchor" id="ga1b741def9e3b2ca97dc9ea49b8ce505c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_CleanInvalidateDCache </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The function cleans and invalidates the entire data cache. </p>
</div>
</div>
<a class="anchor" id="ga630131b2572eaa16b569ed364dfc895e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_CleanInvalidateDCache_by_Addr </td>
<td>(</td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>dsize</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>address (aligned to 32-byte boundary) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dsize</td><td>size of memory block (in number of bytes)</td></tr>
</table>
</dd>
</dl>
<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>
</div>
</div>
<a class="anchor" id="ga6468170f90d270caab8116e7a4f0b5fe"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_DisableDCache </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The function turns off the entire data cache.</p>
<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>
</div>
</div>
<a class="anchor" id="ga63aa640d9006021a796a5dcf9c7180b6"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_EnableDCache </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The function turns on the entire data cache. </p>
<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>
<dd>
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>
</div>
</div>
<a class="anchor" id="gace2d30db08887d0bdb818b8a785a5ce6"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_InvalidateDCache </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The function invalidates the entire data cache.</p>
<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>
</div>
</div>
<a class="anchor" id="ga503ef7ef58c0773defd15a82f6336c09"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">__STATIC_INLINE void SCB_InvalidateDCache_by_Addr </td>
<td>(</td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"><em>dsize</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">addr</td><td>address (aligned to 32-byte boundary) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dsize</td><td>size of memory block (in number of bytes)</td></tr>
</table>
</dd>
</dl>
<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>
</div>
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