begriffs open source - cmsis/blob - main/Core_A/html/group__CMSIS__FPSCR.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-A): Floating-point Status and Control Register (FPSCR)</title>
   9 <link href="doxygen.css" rel="stylesheet" type="text/css"/>
  10 <link href="tabs.css" rel="stylesheet" type="text/css"/>
  11 <link href="extra_navtree.css" rel="stylesheet" type="text/css"/>
  12 <link href="extra_stylesheet.css" rel="stylesheet" type="text/css"/>
  13 <link href="extra_search.css" rel="stylesheet" type="text/css"/>
  14 <script type="text/javascript" src="jquery.js"></script>
  15 <script type="text/javascript" src="dynsections.js"></script>
  16 <script type="text/javascript" src="printComponentTabs.js"></script>
  17 <script type="text/javascript" src="footer.js"></script>
  18 <script type="text/javascript" src="navtree.js"></script>
  19 <link href="navtree.css" rel="stylesheet" type="text/css"/>
  20 <script type="text/javascript" src="resize.js"></script>
  21 <script type="text/javascript" src="navtreedata.js"></script>
  22 <script type="text/javascript" src="navtree.js"></script>
  23 <link href="search/search.css" rel="stylesheet" type="text/css"/>
  24 <script type="text/javascript" src="search/searchdata.js"></script>
  25 <script type="text/javascript" src="search/search.js"></script>
  26 <script type="text/javascript">
  27 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
  28   $(document).ready(function() { init_search(); });
  29 /* @license-end */
  30 </script>
  31 <script type="text/javascript" src="darkmode_toggle.js"></script>
  32 <link href="extra_stylesheet.css" rel="stylesheet" type="text/css"/>
  33 <link href="extra_navtree.css" rel="stylesheet" type="text/css"/>
  34 <link href="extra_search.css" rel="stylesheet" type="text/css"/>
  35 <link href="version.css" rel="stylesheet" type="text/css" />
  36 <script type="text/javascript" src="../../version.js"></script>
  37 </head>
  38 <body>
  39 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  40 <div id="titlearea">
  41 <table cellspacing="0" cellpadding="0">
  42  <tbody>
  43  <tr style="height: 55px;">
  44   <td id="projectlogo" style="padding: 1.5em;"><img alt="Logo" src="cmsis_logo_white_small.png"/></td>
  45   <td style="padding-left: 1em; padding-bottom: 1em;padding-top: 1em;">
  46    <div id="projectname">CMSIS-Core (Cortex-A)
  47    &#160;<span id="projectnumber"><script type="text/javascript">
  48      <!--
  49      writeHeader.call(this);
  50      writeVersionDropdown.call(this, "CMSIS-Core (Cortex-A)");
  51      //-->
  52     </script>
  53    </span>
  54    </div>
  55    <div id="projectbrief">CMSIS-Core support for Cortex-A processor-based devices</div>
  56   </td>
  57    <td>        <div id="MSearchBox" class="MSearchBoxInactive">
  58         <span class="left">
  59           <span id="MSearchSelect"                onmouseover="return searchBox.OnSearchSelectShow()"                onmouseout="return searchBox.OnSearchSelectHide()">&#160;</span>
  60           <input type="text" id="MSearchField" value="" placeholder="Search" accesskey="S"
  61                onfocus="searchBox.OnSearchFieldFocus(true)"
  62                onblur="searchBox.OnSearchFieldFocus(false)"
  63                onkeyup="searchBox.OnSearchFieldChange(event)"/>
  64           </span><span class="right">
  65             <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a>
  66           </span>
  67         </div>
  68 </td>
  69   <!--END !PROJECT_NAME-->
  70  </tr>
  71  </tbody>
  72 </table>
  73 </div>
  74 <!-- end header part -->
  75 <div id="CMSISnav" class="tabs1">
  76   <ul class="tablist">
  77     <script type="text/javascript">
  78       writeComponentTabs.call(this);
  79     </script>
  80   </ul>
  81 </div>
  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__CMSIS__FPSCR.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="#groups">Content</a> &#124;
 129 <a href="#nested-classes">Data Structures</a> &#124;
 130 <a href="#func-members">Functions</a>  </div>
 131   <div class="headertitle"><div class="title">Floating-point Status and Control Register (FPSCR)<div class="ingroups"><a class="el" href="group__CMSIS__core__register.html">Core Register Access</a></div></div></div>
 132 </div><!--header-->
 133 <div class="contents">
 134
 135 <p>Provides floating-point system status information and control.
 136 <a href="#details">More...</a></p>
 137 <table class="memberdecls">
 138 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="groups" name="groups"></a>
 139 Content</h2></td></tr>
 140 <tr class="memitem:group__CMSIS__FPSCR__BITS"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__FPSCR__BITS.html">FPSCR Bits</a></td></tr>
 141 <tr class="memdesc:group__CMSIS__FPSCR__BITS"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit position and mask macros. <br /></td></tr>
 142 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 143 </table><table class="memberdecls">
 144 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
 145 Data Structures</h2></td></tr>
 146 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structFPSCR__Type.html">FPSCR_Type</a></td></tr>
 147 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Bit field declaration for FPSCR layout.  <a href="structFPSCR__Type.html#details">More...</a><br /></td></tr>
 148 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 149 </table><table class="memberdecls">
 150 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 151 Functions</h2></td></tr>
 152 <tr class="memitem:ga6a275172e274ea7ce6c22030d07c6c64"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__FPSCR.html#ga6a275172e274ea7ce6c22030d07c6c64">__get_FPSCR</a> (void)</td></tr>
 153 <tr class="memdesc:ga6a275172e274ea7ce6c22030d07c6c64"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get FPSCR (Floating Point Status/Control)  <br /></td></tr>
 154 <tr class="separator:ga6a275172e274ea7ce6c22030d07c6c64"><td class="memSeparator" colspan="2">&#160;</td></tr>
 155 <tr class="memitem:ga17c6ff443c52c74125fefef7de5fee1d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__FPSCR.html#ga17c6ff443c52c74125fefef7de5fee1d">__set_FPSCR</a> (uint32_t fpscr)</td></tr>
 156 <tr class="memdesc:ga17c6ff443c52c74125fefef7de5fee1d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set FPSCR (Floating Point Status/Control)  <br /></td></tr>
 157 <tr class="separator:ga17c6ff443c52c74125fefef7de5fee1d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 158 </table>
 159 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 160 <table class="markdownTable">
 161 <tr class="markdownTableHead">
 162 <th class="markdownTableHeadLeft">Bits   </th><th class="markdownTableHeadLeft">Name   </th><th class="markdownTableHeadLeft">Function    </th></tr>
 163 <tr class="markdownTableRowOdd">
 164 <td class="markdownTableBodyLeft">[31]   </td><td class="markdownTableBodyLeft">N   </td><td class="markdownTableBodyLeft">Negative condition flag.    </td></tr>
 165 <tr class="markdownTableRowEven">
 166 <td class="markdownTableBodyLeft">[30]   </td><td class="markdownTableBodyLeft">Z   </td><td class="markdownTableBodyLeft">Zero condition flag.    </td></tr>
 167 <tr class="markdownTableRowOdd">
 168 <td class="markdownTableBodyLeft">[29]   </td><td class="markdownTableBodyLeft">C   </td><td class="markdownTableBodyLeft">Carry condition flag.    </td></tr>
 169 <tr class="markdownTableRowEven">
 170 <td class="markdownTableBodyLeft">[28]   </td><td class="markdownTableBodyLeft">V   </td><td class="markdownTableBodyLeft">Overflow condition flag.    </td></tr>
 171 <tr class="markdownTableRowOdd">
 172 <td class="markdownTableBodyLeft">[27]   </td><td class="markdownTableBodyLeft">QC   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 173 <tr class="markdownTableRowEven">
 174 <td class="markdownTableBodyLeft">[26]   </td><td class="markdownTableBodyLeft">AHP   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 175 <tr class="markdownTableRowOdd">
 176 <td class="markdownTableBodyLeft">[25]   </td><td class="markdownTableBodyLeft">DN   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 177 <tr class="markdownTableRowEven">
 178 <td class="markdownTableBodyLeft">[24]   </td><td class="markdownTableBodyLeft">FZ   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 179 <tr class="markdownTableRowOdd">
 180 <td class="markdownTableBodyLeft">[23:22]   </td><td class="markdownTableBodyLeft">RMode   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 181 <tr class="markdownTableRowEven">
 182 <td class="markdownTableBodyLeft">[21:20]   </td><td class="markdownTableBodyLeft">Stride   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 183 <tr class="markdownTableRowOdd">
 184 <td class="markdownTableBodyLeft">[19]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 185 <tr class="markdownTableRowEven">
 186 <td class="markdownTableBodyLeft">[18:16]   </td><td class="markdownTableBodyLeft">Len   </td><td class="markdownTableBodyLeft">External abort pending bit.    </td></tr>
 187 <tr class="markdownTableRowOdd">
 188 <td class="markdownTableBodyLeft">[15]   </td><td class="markdownTableBodyLeft">IDE   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 189 <tr class="markdownTableRowEven">
 190 <td class="markdownTableBodyLeft">[14:13]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 191 <tr class="markdownTableRowOdd">
 192 <td class="markdownTableBodyLeft">[12]   </td><td class="markdownTableBodyLeft">IXE   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 193 <tr class="markdownTableRowEven">
 194 <td class="markdownTableBodyLeft">[11]   </td><td class="markdownTableBodyLeft">UFE   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 195 <tr class="markdownTableRowOdd">
 196 <td class="markdownTableBodyLeft">[10]   </td><td class="markdownTableBodyLeft">OFE   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 197 <tr class="markdownTableRowEven">
 198 <td class="markdownTableBodyLeft">[9]   </td><td class="markdownTableBodyLeft">DZE   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 199 <tr class="markdownTableRowOdd">
 200 <td class="markdownTableBodyLeft">[8]   </td><td class="markdownTableBodyLeft">IOE   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 201 <tr class="markdownTableRowEven">
 202 <td class="markdownTableBodyLeft">[7]   </td><td class="markdownTableBodyLeft">IDC   </td><td class="markdownTableBodyLeft">IRQ pending bit.    </td></tr>
 203 <tr class="markdownTableRowOdd">
 204 <td class="markdownTableBodyLeft">[6:5]   </td><td class="markdownTableBodyLeft">-   </td><td class="markdownTableBodyLeft">Reserved.    </td></tr>
 205 <tr class="markdownTableRowEven">
 206 <td class="markdownTableBodyLeft">[4]   </td><td class="markdownTableBodyLeft">IXC   </td><td class="markdownTableBodyLeft">FIQ pending bit.    </td></tr>
 207 <tr class="markdownTableRowOdd">
 208 <td class="markdownTableBodyLeft">[3]   </td><td class="markdownTableBodyLeft">UFC   </td><td class="markdownTableBodyLeft">FIQ pending bit.    </td></tr>
 209 <tr class="markdownTableRowEven">
 210 <td class="markdownTableBodyLeft">[2]   </td><td class="markdownTableBodyLeft">OFC   </td><td class="markdownTableBodyLeft">FIQ pending bit.    </td></tr>
 211 <tr class="markdownTableRowOdd">
 212 <td class="markdownTableBodyLeft">[1]   </td><td class="markdownTableBodyLeft">DZC   </td><td class="markdownTableBodyLeft">FIQ pending bit.    </td></tr>
 213 <tr class="markdownTableRowEven">
 214 <td class="markdownTableBodyLeft">[0]   </td><td class="markdownTableBodyLeft">IOC   </td><td class="markdownTableBodyLeft">FIQ pending bit.   </td></tr>
 215 </table>
 216 <p>Consider <a class="el" href="group__CMSIS__FPSCR.html#ga6a275172e274ea7ce6c22030d07c6c64">__get_FPSCR</a> and <a class="el" href="group__CMSIS__FPSCR.html#ga17c6ff443c52c74125fefef7de5fee1d">__set_FPSCR</a> to access this register. </p>
 217 <h2 class="groupheader">Function Documentation</h2>
 218 <a id="ga6a275172e274ea7ce6c22030d07c6c64" name="ga6a275172e274ea7ce6c22030d07c6c64"></a>
 219 <h2 class="memtitle"><span class="permalink"><a href="#ga6a275172e274ea7ce6c22030d07c6c64">&#9670;&#160;</a></span>__get_FPSCR()</h2>
 220
 221 <div class="memitem">
 222 <div class="memproto">
 223       <table class="memname">
 224         <tr>
 225           <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> uint32_t __get_FPSCR </td>
 226           <td>(</td>
 227           <td class="paramtype">void&#160;</td>
 228           <td class="paramname"></td><td>)</td>
 229           <td></td>
 230         </tr>
 231       </table>
 232 </div><div class="memdoc">
 233 <dl class="section return"><dt>Returns</dt><dd>Floating Point Status/Control register value</dd></dl>
 234 <p>This function returns the current value of the <a class="el" href="group__CMSIS__FPSCR.html">Floating-point Status and Control Register (FPSCR)</a>. </p>
 235
 236 </div>
 237 </div>
 238 <a id="ga17c6ff443c52c74125fefef7de5fee1d" name="ga17c6ff443c52c74125fefef7de5fee1d"></a>
 239 <h2 class="memtitle"><span class="permalink"><a href="#ga17c6ff443c52c74125fefef7de5fee1d">&#9670;&#160;</a></span>__set_FPSCR()</h2>
 240
 241 <div class="memitem">
 242 <div class="memproto">
 243       <table class="memname">
 244         <tr>
 245           <td class="memname"><a class="el" href="group__comp__cntrl__gr.html#gaba87361bfad2ae52cfe2f40c1a1dbf9c">__STATIC_INLINE</a> void __set_FPSCR </td>
 246           <td>(</td>
 247           <td class="paramtype">uint32_t&#160;</td>
 248           <td class="paramname"><em>fpscr</em></td><td>)</td>
 249           <td></td>
 250         </tr>
 251       </table>
 252 </div><div class="memdoc">
 253 <dl class="params"><dt>Parameters</dt><dd>
 254   <table class="params">
 255     <tr><td class="paramdir">[in]</td><td class="paramname">fpscr</td><td>Floating Point Status/Control value to set</td></tr>
 256   </table>
 257   </dd>
 258 </dl>
 259 <p>Assigns the given value to the <a class="el" href="group__CMSIS__FPSCR.html">Floating-point Status and Control Register (FPSCR)</a>. </p>
 260
 261 </div>
 262 </div>
 263 </div><!-- contents -->
 264 </div><!-- doc-content -->
 265 <!-- start footer part -->
 266 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 267   <ul>
 268     <li class="footer">
 269       <script type="text/javascript">
 270         <!--
 271         writeFooter.call(this);
 272         //-->
 273       </script>
 274     </li>
 275   </ul>
 276 </div>
 277 </body>
 278 </html>