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 113 <div class="title">SAU Functions<div class="ingroups"><a class="el" href="group__trustzone__functions.html">TrustZone for ARMv8-M</a></div></div>  </div>
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 115 <div class="contents">
 116
 117 <p>Secure Attribution Unit (SAU) functions related to TrustZone for ARMv8-M.
 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:ga6093bc5939ea8924fbcfdffb8f0553f1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sau__trustzone__functions.html#ga6093bc5939ea8924fbcfdffb8f0553f1">TZ_SAU_Setup</a> (void)</td></tr>
 123 <tr class="memdesc:ga6093bc5939ea8924fbcfdffb8f0553f1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Setup Secure Attribute Unit (SAU) and non-secure interrupts.  <a href="#ga6093bc5939ea8924fbcfdffb8f0553f1">More...</a><br/></td></tr>
 124 <tr class="separator:ga6093bc5939ea8924fbcfdffb8f0553f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 125 <tr class="memitem:ga187377409289e34838225ce801fb102c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sau__trustzone__functions.html#ga187377409289e34838225ce801fb102c">TZ_SAU_Enable</a> (void)</td></tr>
 126 <tr class="memdesc:ga187377409289e34838225ce801fb102c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable Security Attribution Unit (SAU)  <a href="#ga187377409289e34838225ce801fb102c">More...</a><br/></td></tr>
 127 <tr class="separator:ga187377409289e34838225ce801fb102c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 128 <tr class="memitem:ga42e201cea0a4b09f588a28b751f726fb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__sau__trustzone__functions.html#ga42e201cea0a4b09f588a28b751f726fb">TZ_SAU_Disable</a> (void)</td></tr>
 129 <tr class="memdesc:ga42e201cea0a4b09f588a28b751f726fb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Disable Security Attribution Unit (SAU)  <a href="#ga42e201cea0a4b09f588a28b751f726fb">More...</a><br/></td></tr>
 130 <tr class="separator:ga42e201cea0a4b09f588a28b751f726fb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 131 </table>
 132 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 133 <p>The Secure Attribution Unit (SAU) functions SAU</p>
 134 <dl class="section note"><dt>Note</dt><dd>A SAU is always present if the security extension is available. The functionality differs if the SAU contains SAU regions. If SAU regions are available is configured with the macro __SAUREGION_PRESENT (see <a class="el" href="device_h_pg.html#core_config_sect">Configuration of the Processor and Core Peripherals</a>). </dd></dl>
 135 <h2 class="groupheader">Function Documentation</h2>
 136 <a class="anchor" id="ga42e201cea0a4b09f588a28b751f726fb"></a>
 137 <div class="memitem">
 138 <div class="memproto">
 139       <table class="memname">
 140         <tr>
 141           <td class="memname">void TZ_SAU_Disable </td>
 142           <td>(</td>
 143           <td class="paramtype">void&#160;</td>
 144           <td class="paramname"></td><td>)</td>
 145           <td></td>
 146         </tr>
 147       </table>
 148 </div><div class="memdoc">
 149 <p>Disables the Security Attribution Unit (SAU). </p>
 150
 151 </div>
 152 </div>
 153 <a class="anchor" id="ga187377409289e34838225ce801fb102c"></a>
 154 <div class="memitem">
 155 <div class="memproto">
 156       <table class="memname">
 157         <tr>
 158           <td class="memname">void TZ_SAU_Enable </td>
 159           <td>(</td>
 160           <td class="paramtype">void&#160;</td>
 161           <td class="paramname"></td><td>)</td>
 162           <td></td>
 163         </tr>
 164       </table>
 165 </div><div class="memdoc">
 166 <p>Enables the Security Attribution Unit (SAU). </p>
 167
 168 </div>
 169 </div>
 170 <a class="anchor" id="ga6093bc5939ea8924fbcfdffb8f0553f1"></a>
 171 <div class="memitem">
 172 <div class="memproto">
 173       <table class="memname">
 174         <tr>
 175           <td class="memname">void TZ_SAU_Setup </td>
 176           <td>(</td>
 177           <td class="paramtype">void&#160;</td>
 178           <td class="paramname"></td><td>)</td>
 179           <td></td>
 180         </tr>
 181       </table>
 182 </div><div class="memdoc">
 183 <p>The function <a class="el" href="group__sau__trustzone__functions.html#ga6093bc5939ea8924fbcfdffb8f0553f1">TZ_SAU_Setup</a> uses the settings in the <a class="el" href="partition_h_pg.html">System Partition Header File partition_&lt;device&gt;.h</a> to initialize the Secure Attribute Unit (SAU) and define non-secure interrupts. It is called from the function <a class="el" href="group__system__init__gr.html#ga93f514700ccf00d08dbdcff7f1224eb2">SystemInit</a>. </p>
 184
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