begriffs open source - cmsis/blob - main/Core_A/html/index.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): Overview</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('index.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><div class="header">
 127   <div class="headertitle"><div class="title">Overview </div></div>
 128 </div><!--header-->
 129 <div class="contents">
 130 <div class="textblock"><p>CMSIS-Core (Cortex-A) implements the basic run-time system for a Cortex-A device and gives the user access to the processor core and the device peripherals. In detail it defines:</p><ul>
 131 <li><b>Hardware Abstraction Layer (HAL)</b> for Cortex-A processor registers with standardized definitions for the GIC, FPU, MMU, Cache, and core access functions.</li>
 132 <li><b>System exception names</b> to interface to system exceptions without having compatibility issues.</li>
 133 <li><b>Methods to organize header files</b> that makes it easy to learn new Cortex-A microcontroller products and improve software portability. This includes naming conventions for device-specific interrupts.</li>
 134 <li><b>Methods for system initialization</b> to be used by each MCU vendor. For example, the standardized <a class="el" href="group__system__init__gr.html#ga93f514700ccf00d08dbdcff7f1224eb2" title="Function to Initialize the system.">SystemInit()</a> function is essential for configuring the clock system of the device.</li>
 135 <li><b>Intrinsic functions</b> used to generate CPU instructions that are not supported by standard C functions.</li>
 136 <li>A variable to determine the <b>system clock frequency</b> which simplifies the setup of the system timers.</li>
 137 </ul>
 138 <p>The following sections provide details about the CMSIS-Core (Cortex-A):</p><ul>
 139 <li><a class="el" href="using_pg.html">Using CMSIS in Embedded Applications</a> describes the project setup and shows a simple program example.</li>
 140 <li><a class="el" href="templates_pg.html">CMSIS-Core Device Templates</a> describes the files of the CMSIS-Core (Cortex-A) in detail and explains how to adapt template files provided by Arm to silicon vendor devices.</li>
 141 <li><a class="el" href="coreMISRA_Exceptions_pg.html">MISRA-C Deviations</a> describes the violations to the MISRA standard.</li>
 142 <li><a href="modules.html"><b>Reference</b> </a> describe the features and functions of the <a class="el" href="device_h_pg.html">Device Header File &lt;device.h&gt;</a> in detail.</li>
 143 <li><a href="annotated.html"><b>Data</b> <b>Structures</b> </a> describe the data structures of the <a class="el" href="device_h_pg.html">Device Header File &lt;device.h&gt;</a> in detail.</li>
 144 </ul>
 145 <hr  />
 146 <h2><a class="anchor" id="autotoc_md0"></a>
 147 CMSIS-Core (Cortex-A) in ARM::CMSIS Pack</h2>
 148 <p>Files relevant to CMSIS-Core (Cortex-A) are present in the following <b>ARM::CMSIS</b> directories: </p><table class="markdownTable">
 149 <tr class="markdownTableHead">
 150 <th class="markdownTableHeadNone">File/Folder   </th><th class="markdownTableHeadNone">Content    </th></tr>
 151 <tr class="markdownTableRowOdd">
 152 <td class="markdownTableBodyNone"><b>CMSIS\Documentation\Core_A</b>   </td><td class="markdownTableBodyNone">This documentation    </td></tr>
 153 <tr class="markdownTableRowEven">
 154 <td class="markdownTableBodyNone"><b>CMSIS\Core_A\Include</b>   </td><td class="markdownTableBodyNone">CMSIS-Core (Cortex-A) header files (for example <a class="el" href="core__ca_8h.html" title="CMSIS Cortex-A Core Peripheral Access Layer Header File.">core_ca.h</a>, etc.)    </td></tr>
 155 <tr class="markdownTableRowOdd">
 156 <td class="markdownTableBodyNone"><b>Device</b>   </td><td class="markdownTableBodyNone"><a class="el" href="using_ARM_pg.html">Arm reference implementations</a> of Cortex-A devices    </td></tr>
 157 <tr class="markdownTableRowEven">
 158 <td class="markdownTableBodyNone"><b>Device\_Template_Vendor</b>   </td><td class="markdownTableBodyNone"><a class="el" href="templates_pg.html">CMSIS-Core Device Templates</a> for extension by silicon vendors   </td></tr>
 159 </table>
 160 <hr  />
 161 <h1><a class="anchor" id="ref_v7A"></a>
 162 Processor Support</h1>
 163 <p>CMSIS supports a selected subset of <a href="http://www.arm.com/products/processors/cortex-a/index.php" target="_blank"><b>Cortex-A processors</b></a>.</p>
 164 <h2><a class="anchor" id="ref_man_ca_sec"></a>
 165 Cortex-A Technical Reference Manuals</h2>
 166 <p>The following Technical Reference Manuals describe the various Arm Cortex-A processors:</p><ul>
 167 <li><a href="http://infocenter.arm.com/help/topic/com.arm.doc.ddi0433c/DDI0433C_cortex_a5_trm.pdf" target="_blank"><b>Cortex-A5</b></a> (Armv7-A architecture)</li>
 168 <li><a href="http://infocenter.arm.com/help/topic/com.arm.doc.ddi0464f/DDI0464F_cortex_a7_mpcore_r0p5_trm.pdf" target="_blank"><b>Cortex-A7</b></a> (Armv7-A architecture)</li>
 169 <li><a href="http://infocenter.arm.com/help/topic/com.arm.doc.100511_0401_10_en/arm_cortexa9_trm_100511_0401_10_en.pdf" target="_blank"><b>Cortex-A9</b></a> (Armv7-A architecture)</li>
 170 </ul>
 171 <hr  />
 172 <h1><a class="anchor" id="tested_tools_sec"></a>
 173 Tested and Verified Toolchains</h1>
 174 <p>The <a class="el" href="templates_pg.html">CMSIS-Core Device Templates</a> supplied by Arm have been tested and verified with the following toolchains:</p><ul>
 175 <li>Arm: Arm Compiler 5.06 update 7</li>
 176 <li>Arm: Arm Compiler 6.16</li>
 177 <li>Arm: Arm Compiler 6.6.4</li>
 178 <li>GNU: GNU Arm Embedded Toolchain 10-2020-q4-major (10.2.1 20201103)</li>
 179 <li>IAR: IAR ANSI C/C++ Compiler for Arm 8.20.1.14183</li>
 180 </ul>
 181 <hr  />
 182  </div></div><!-- PageDoc -->
 183 </div><!-- contents -->
 184 </div><!-- doc-content -->
 185 <!-- start footer part -->
 186 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 187   <ul>
 188     <li class="footer">
 189       <script type="text/javascript">
 190         <!--
 191         writeFooter.call(this);
 192         //-->
 193       </script>
 194     </li>
 195   </ul>
 196 </div>
 197 </body>
 198 </html>