155 lines
7.6 KiB
HTML
155 lines
7.6 KiB
HTML
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<title>Simplifying debug setup using debug descriptions</title>
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<title>CMSIS-Pack: Simplifying debug setup using debug descriptions</title>
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<div id="projectname">CMSIS-Pack
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 <span id="projectnumber">Version 1.4.9</span>
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</div>
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<div id="projectbrief">Delivery Mechanism for Software Packs</div>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li class="current"><a href="pages.html"><span>Usage and Description</span></a></li>
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<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>
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<div class="header">
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<div class="headertitle">
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<div class="title">Simplifying debug setup using debug descriptions </div> </div>
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</div><!--header-->
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<div class="contents">
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<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>
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<h1><a class="anchor" id="das_concept"></a>
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Concept</h1>
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<p>A set of standardized debug and trace methods are automatically executed by the debugger:</p>
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<ul>
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<li>Setting breakpoints and watchpoints</li>
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<li>Reading memory and registers</li>
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<li>Starting and stopping trace</li>
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</ul>
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<p>Implementation-specific steps can be described using an XML syntax:</p>
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<ul>
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<li>Special hardware reset</li>
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<li>Trace buffer setup</li>
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<li>Patch silicon issues</li>
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</ul>
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<h1><a class="anchor" id="das_elements"></a>
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Debug description elements</h1>
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<p>A complete debug description for a device consists of the following elements:</p>
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<ul>
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<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>
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<li><a class="el" href="pdsc_family_pg.html#element_debugconfig">debugconfig</a> provides the default debugger configuration for a target connection.</li>
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<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>
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<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>
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<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>
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<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>
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</ul>
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<p>For more information, refer to the <a class="el" href="pdsc_SequenceNameEnum_pg.html">Debug access sequences</a>. </p>
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</div></div><!-- contents -->
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</div><!-- doc-content -->
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<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<ul>
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<li class="footer">Generated on Wed Feb 8 2017 10:21:01 for CMSIS-Pack by ARM Ltd. All rights reserved.
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6
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</body>
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</html>
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