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

   1 <!-- HTML header for doxygen 1.9.6-->
   2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
   4 <head>
   5 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
   6 <meta http-equiv="X-UA-Compatible" content="IE=11"/>
   7 <meta name="viewport" content="width=device-width, initial-scale=1"/>
   8 <title>CMSIS-Core (Cortex-M): Stack Sealing Support Functions</title>
   9 <link href="doxygen.css" rel="stylesheet" type="text/css" />
  10 <script type="text/javascript" src="jquery.js"></script>
  11 <script type="text/javascript" src="dynsections.js"></script>
  12 <script type="text/javascript" src="tabs.js"></script>
  13 <script type="text/javascript" src="footer.js"></script>
  14 <script type="text/javascript" src="navtree.js"></script>
  15 <link href="navtree.css" rel="stylesheet" type="text/css"/>
  16 <script type="text/javascript" src="resize.js"></script>
  17 <script type="text/javascript" src="navtreedata.js"></script>
  18 <script type="text/javascript" src="navtree.js"></script>
  19 <link href="search/search.css" rel="stylesheet" type="text/css"/>
  20 <script type="text/javascript" src="search/searchdata.js"></script>
  21 <script type="text/javascript" src="search/search.js"></script>
  22 <script type="text/javascript">
  23 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  24   $(document).ready(function() { init_search(); });
  25 /* @license-end */
  26 </script>
  27 <script type="text/javascript" src="darkmode_toggle.js"></script>
  28 <link href="extra_stylesheet.css" rel="stylesheet" type="text/css"/>
  29 <link href="extra_navtree.css" rel="stylesheet" type="text/css"/>
  30 <link href="extra_search.css" rel="stylesheet" type="text/css"/>
  31 <link href="extra_tabs.css" rel="stylesheet" type="text/css"/>
  32 <link href="version.css" rel="stylesheet" type="text/css"/>
  33 <script type="text/javascript" src="../../version.js"></script>
  34 </head>
  35 <body>
  36 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  37 <div id="titlearea">
  38 <table cellspacing="0" cellpadding="0">
  39  <tbody>
  40  <tr style="height: 55px;">
  41   <td id="projectlogo" style="padding: 1.5em;"><img alt="Logo" src="cmsis_logo_white_small.png"/></td>
  42   <td style="padding-left: 1em; padding-bottom: 1em;padding-top: 1em;">
  43    <div id="projectname">CMSIS-Core (Cortex-M)
  44    &#160;<span id="projectnumber"><script type="text/javascript">
  45      <!--
  46      writeHeader.call(this);
  47      writeVersionDropdown.call(this, "CMSIS-Core (Cortex-M)");
  48      //-->
  49     </script>
  50    </span>
  51    </div>
  52    <div id="projectbrief">CMSIS-Core support for Cortex-M processor-based devices</div>
  53   </td>
  54    <td>        <div id="MSearchBox" class="MSearchBoxInactive">
  55         <span class="left">
  56           <span id="MSearchSelect"                onmouseover="return searchBox.OnSearchSelectShow()"                onmouseout="return searchBox.OnSearchSelectHide()">&#160;</span>
  57           <input type="text" id="MSearchField" value="" placeholder="Search" accesskey="S"
  58                onfocus="searchBox.OnSearchFieldFocus(true)"
  59                onblur="searchBox.OnSearchFieldFocus(false)"
  60                onkeyup="searchBox.OnSearchFieldChange(event)"/>
  61           </span><span class="right">
  62             <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a>
  63           </span>
  64         </div>
  65 </td>
  66   <!--END !PROJECT_NAME-->
  67  </tr>
  68  </tbody>
  69 </table>
  70 </div>
  71 <!-- end header part -->
  72 <div id="CMSISnav" class="tabs1">
  73   <ul class="tablist">
  74     <script type="text/javascript">
  75       writeComponentTabs.call(this);
  76     </script>
  77   </ul>
  78 </div>
  79 <script type="text/javascript">
  80   writeSubComponentTabs.call(this);
  81 </script>
  82 <!-- Generated by Doxygen 1.9.6 -->
  83 <script type="text/javascript">
  84 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  85 var searchBox = new SearchBox("searchBox", "search/",'.html');
  86 /* @license-end */
  87 </script>
  88 </div><!-- top -->
  89 <div id="side-nav" class="ui-resizable side-nav-resizable">
  90   <div id="nav-tree">
  91     <div id="nav-tree-contents">
  92       <div id="nav-sync" class="sync"></div>
  93     </div>
  94   </div>
  95   <div id="splitbar" style="-moz-user-select:none;"
  96        class="ui-resizable-handle">
  97   </div>
  98 </div>
  99 <script type="text/javascript">
 100 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
 101 $(document).ready(function(){initNavTree('group__stacksealing__support__trustzone__functions.html',''); initResizable(); });
 102 /* @license-end */
 103 </script>
 104 <div id="doc-content">
 105 <!-- window showing the filter options -->
 106 <div id="MSearchSelectWindow"
 107      onmouseover="return searchBox.OnSearchSelectShow()"
 108      onmouseout="return searchBox.OnSearchSelectHide()"
 109      onkeydown="return searchBox.OnSearchSelectKey(event)">
 110 </div>
 111
 112 <!-- iframe showing the search results (closed by default) -->
 113 <div id="MSearchResultsWindow">
 114 <div id="MSearchResults">
 115 <div class="SRPage">
 116 <div id="SRIndex">
 117 <div id="SRResults"></div>
 118 <div class="SRStatus" id="Loading">Loading...</div>
 119 <div class="SRStatus" id="Searching">Searching...</div>
 120 <div class="SRStatus" id="NoMatches">No Matches</div>
 121 </div>
 122 </div>
 123 </div>
 124 </div>
 125
 126 <div class="header">
 127   <div class="summary">
 128 <a href="#define-members">Macros</a> &#124;
 129 <a href="#func-members">Functions</a>  </div>
 130   <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>
 131 </div><!--header-->
 132 <div class="contents">
 133
 134 <p>Stack sealing macros and helper functions.
 135 <a href="#details">More...</a></p>
 136 <table class="memberdecls">
 137 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
 138 Macros</h2></td></tr>
 139 <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>
 140 <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>
 141 <tr class="separator:gacc36ddac1642fe80a690364911542d79"><td class="memSeparator" colspan="2">&#160;</td></tr>
 142 </table><table class="memberdecls">
 143 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 144 Functions</h2></td></tr>
 145 <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>
 146 <tr class="memdesc:ga87d2473a3adebb73941065366feec690"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set stack seal at given address (secure)  <br /></td></tr>
 147 <tr class="separator:ga87d2473a3adebb73941065366feec690"><td class="memSeparator" colspan="2">&#160;</td></tr>
 148 </table>
 149 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 150 <p>Stack sealing macros and helper functions. </p>
 151 <p>See <a class="el" href="using_TrustZone_pg.html#RTOS_TrustZone_stacksealing">Stack Sealing</a> for details on stack sealing technique. </p>
 152 <h2 class="groupheader">Macro Definition Documentation</h2>
 153 <a id="gacc36ddac1642fe80a690364911542d79" name="gacc36ddac1642fe80a690364911542d79"></a>
 154 <h2 class="memtitle"><span class="permalink"><a href="#gacc36ddac1642fe80a690364911542d79">&#9670;&#160;</a></span>__STACK_SEAL</h2>
 155
 156 <div class="memitem">
 157 <div class="memproto">
 158       <table class="memname">
 159         <tr>
 160           <td class="memname">#define __STACK_SEAL</td>
 161         </tr>
 162       </table>
 163 </div><div class="memdoc">
 164
 165 <p>Compiler/linker symbol specifying the location of the stack seal. </p>
 166 <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>
 167 <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>
 168
 169 </div>
 170 </div>
 171 <h2 class="groupheader">Function Documentation</h2>
 172 <a id="ga87d2473a3adebb73941065366feec690" name="ga87d2473a3adebb73941065366feec690"></a>
 173 <h2 class="memtitle"><span class="permalink"><a href="#ga87d2473a3adebb73941065366feec690">&#9670;&#160;</a></span>__TZ_set_STACKSEAL_S()</h2>
 174
 175 <div class="memitem">
 176 <div class="memproto">
 177       <table class="memname">
 178         <tr>
 179           <td class="memname">void __TZ_set_STACKSEAL_S </td>
 180           <td>(</td>
 181           <td class="paramtype">uint32_t *&#160;</td>
 182           <td class="paramname"><em>stackTop</em></td><td>)</td>
 183           <td></td>
 184         </tr>
 185       </table>
 186 </div><div class="memdoc">
 187
 188 <p>Set stack seal at given address (secure) </p>
 189 <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>
 190   <table class="params">
 191     <tr><td class="paramdir">[in]</td><td class="paramname">stackTop</td><td>address to write stackseal </td></tr>
 192   </table>
 193   </dd>
 194 </dl>
 195
 196 </div>
 197 </div>
 198 </div><!-- contents -->
 199 </div><!-- doc-content -->
 200 <!-- start footer part -->
 201 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 202   <ul>
 203     <li class="footer">
 204       <script type="text/javascript">
 205         <!--
 206         writeFooter.call(this);
 207         //-->
 208       </script>
 209     </li>
 210   </ul>
 211 </div>
 212 </body>
 213 </html>