<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <title>Simplifying debug setup using debug descriptions</title> <title>CMSIS-Pack: Simplifying debug setup using debug descriptions</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="cmsis.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <script type="text/javascript" src="printComponentTabs.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 46px;"> <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td> <td style="padding-left: 0.5em;"> <div id="projectname">CMSIS-Pack  <span id="projectnumber">Version 1.4.9</span> </div> <div id="projectbrief">Delivery Mechanism for Software Packs</div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <div id="CMSISnav" class="tabs1"> <ul class="tablist"> <script type="text/javascript"> <!-- writeComponentTabs.call(this); //--> </script> </ul> </div> <!-- Generated by Doxygen 1.8.6 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li class="current"><a href="pages.html"><span>Usage and Description</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('coresight_setup.html','');}); </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Pages</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">Simplifying debug setup using debug descriptions </div> </div> </div><!--header--> <div class="contents"> <div class="textblock"><p>Debug descriptions allow silicon vendors to create tool-agnostic debug and trace configurations so that the development environment settings can be reduced to simple checkboxes for selecting for example either standard run/stop debugging or complex instruction tracing.</p> <h1><a class="anchor" id="das_concept"></a> Concept</h1> <p>A set of standardized debug and trace methods are automatically executed by the debugger:</p> <ul> <li>Setting breakpoints and watchpoints</li> <li>Reading memory and registers</li> <li>Starting and stopping trace</li> </ul> <p>Implementation-specific steps can be described using an XML syntax:</p> <ul> <li>Special hardware reset</li> <li>Trace buffer setup</li> <li>Patch silicon issues</li> </ul> <h1><a class="anchor" id="das_elements"></a> Debug description elements</h1> <p>A complete debug description for a device consists of the following elements:</p> <ul> <li><a class="el" href="pdsc_family_pg.html#element_debug">debug</a> with the child element <a class="el" href="pdsc_family_pg.html#element_dbg_datapatch">dbg_datapatch</a> contains settings for the debug connection and for fixing silicon issues in software.</li> <li><a class="el" href="pdsc_family_pg.html#element_debugconfig">debugconfig</a> provides the default debugger configuration for a target connection.</li> <li><a class="el" href="pdsc_family_pg.html#element_debugvars">debugvars</a> specifies global debug access variables. They can be used in addition to pre-defined variables in order to query settings from a debug access sequences.</li> <li><a class="el" href="pdsc_family_pg.html#element_debugport">debugport</a> with the child elements <a class="el" href="pdsc_family_pg.html#element_dp_jtag">dp_jtag</a>, <a class="el" href="pdsc_family_pg.html#element_dp_swd">dp_swd</a>, and <a class="el" href="pdsc_family_pg.html#element_dp_cjtag">dp_cjtag</a> describes the debug port in detail.</li> <li><a class="el" href="pdsc_family_pg.html#element_sequences">sequences</a> with the child elements <a class="el" href="pdsc_family_pg.html#element_sequence">sequence</a>, <a class="el" href="pdsc_family_pg.html#element_seq_control">seq_control</a>, and <a class="el" href="pdsc_family_pg.html#element_seq_block">seq_block</a> creates a configuration for debug access sequences.</li> <li><a class="el" href="pdsc_family_pg.html#element_trace">trace</a> with the child elements <a class="el" href="pdsc_family_pg.html#element_trace_serialwire">trace_serialwire</a>, <a class="el" href="pdsc_family_pg.html#element_trace_traceport">trace_traceport</a>, and <a class="el" href="pdsc_family_pg.html#element_trace_tracebuffer">trace_tracebuffer</a> sets up the trace connection.</li> </ul> <p>For more information, refer to the <a class="el" href="pdsc_SequenceNameEnum_pg.html">Debug access sequences</a>. </p> </div></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="footer">Generated on Wed Feb 8 2017 10:21:01 for CMSIS-Pack by ARM Ltd. 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