begriffs open source - cmsis/blob - main/Core/group__stacksealing__support__trustzone__functions.html

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 131 <a href="#define-members">Macros</a> &#124;
 132 <a href="#func-members">Functions</a>  </div>
 133   <div class="headertitle"><div class="title">Stack Sealing Support Functions<div class="ingroups"><a class="el" href="group__trustzone__functions.html">TrustZone for Armv8-M/v8.1-M</a></div></div></div>
 134 </div><!--header-->
 135 <div class="contents">
 136
 137 <p>Stack sealing macros and helper functions.
 138 <a href="#details">More...</a></p>
 139 <table class="memberdecls">
 140 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
 141 Macros</h2></td></tr>
 142 <tr class="memitem:gacc36ddac1642fe80a690364911542d79"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stacksealing__support__trustzone__functions.html#gacc36ddac1642fe80a690364911542d79">__STACK_SEAL</a></td></tr>
 143 <tr class="memdesc:gacc36ddac1642fe80a690364911542d79"><td class="mdescLeft">&#160;</td><td class="mdescRight">Compiler/linker symbol specifying the location of the stack seal.  <br /></td></tr>
 144 <tr class="separator:gacc36ddac1642fe80a690364911542d79"><td class="memSeparator" colspan="2">&#160;</td></tr>
 145 </table><table class="memberdecls">
 146 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 147 Functions</h2></td></tr>
 148 <tr class="memitem:ga87d2473a3adebb73941065366feec690"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__stacksealing__support__trustzone__functions.html#ga87d2473a3adebb73941065366feec690">__TZ_set_STACKSEAL_S</a> (uint32_t *stackTop)</td></tr>
 149 <tr class="memdesc:ga87d2473a3adebb73941065366feec690"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set stack seal at given address (secure)  <br /></td></tr>
 150 <tr class="separator:ga87d2473a3adebb73941065366feec690"><td class="memSeparator" colspan="2">&#160;</td></tr>
 151 </table>
 152 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 153 <p>Stack sealing macros and helper functions. </p>
 154 <p>See <a class="el" href="using_TrustZone_pg.html#RTOS_TrustZone_stacksealing">Stack Sealing</a> for details on stack sealing technique. </p>
 155 <h2 class="groupheader">Macro Definition Documentation</h2>
 156 <a id="gacc36ddac1642fe80a690364911542d79" name="gacc36ddac1642fe80a690364911542d79"></a>
 157 <h2 class="memtitle"><span class="permalink"><a href="#gacc36ddac1642fe80a690364911542d79">&#9670;&#160;</a></span>__STACK_SEAL</h2>
 158
 159 <div class="memitem">
 160 <div class="memproto">
 161       <table class="memname">
 162         <tr>
 163           <td class="memname">#define __STACK_SEAL</td>
 164         </tr>
 165       </table>
 166 </div><div class="memdoc">
 167
 168 <p>Compiler/linker symbol specifying the location of the stack seal. </p>
 169 <p>The address of the specified symbol is used to set the stack seal during low level init. This is compiler/linker specific. CMSIS specifies common default for supported compilers.</p>
 170 <dl class="section note"><dt>Note</dt><dd>This define is only intended to be used by the <a class="el" href="startup_c_pg.html">Startup File startup_&lt;Device&gt;.c</a>. </dd></dl>
 171
 172 </div>
 173 </div>
 174 <h2 class="groupheader">Function Documentation</h2>
 175 <a id="ga87d2473a3adebb73941065366feec690" name="ga87d2473a3adebb73941065366feec690"></a>
 176 <h2 class="memtitle"><span class="permalink"><a href="#ga87d2473a3adebb73941065366feec690">&#9670;&#160;</a></span>__TZ_set_STACKSEAL_S()</h2>
 177
 178 <div class="memitem">
 179 <div class="memproto">
 180       <table class="memname">
 181         <tr>
 182           <td class="memname">void __TZ_set_STACKSEAL_S </td>
 183           <td>(</td>
 184           <td class="paramtype">uint32_t *&#160;</td>
 185           <td class="paramname"><em>stackTop</em></td><td>)</td>
 186           <td></td>
 187         </tr>
 188       </table>
 189 </div><div class="memdoc">
 190
 191 <p>Set stack seal at given address (secure) </p>
 192 <p>Writes the stack seal values (2 x 0xFEF5EDA5U) to the given address when in secure state. </p><dl class="params"><dt>Parameters</dt><dd>
 193   <table class="params">
 194     <tr><td class="paramdir">[in]</td><td class="paramname">stackTop</td><td>address to write stackseal </td></tr>
 195   </table>
 196   </dd>
 197 </dl>
 198
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