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<h3>
<a name="1204692"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">10.2.5 Creating an RCU</font>
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<p>
<a name="1204693"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">An RCU may be generated by <strong>st20cc</strong> using the following input file types:</font>
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<p>
<a name="1204694"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>.c</strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1208280"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">C</font>
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<a name="1204695"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>.cxx</strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1208285"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">C++</font>
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</dl></dl>
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<a name="1204696"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>.s</strong></font></b></font>
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<dl><dl> <dl>
<dt> <a name="1208289"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Assembly language</font>
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</dl></dl>
<p>
<a name="1204697"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">An RCU can be built with a single entry point, in which case the following <strong>st20cc</strong> command line options must be used:</font>
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<p>
<a name="1204698"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-rcu</strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1208295"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">to specify that an RCU file is being created,</font>
</dl>
</dl></dl>
<p>
<a name="1204699"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>-e</strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1208299"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">to specify the main entry point of the RCU.</font>
</dl>
</dl></dl>
<p>
<a name="1204700"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">A target processor type must also be specified. The output from <strong>st20cc</strong> is a binary file with the extension <font size=2 face=Courier><strong>.rcu</strong></font>.</font>
</p>
<p>
<a name="1204701"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">For example:</font>
</p>
<a name="1204702"> </a><font size=2 face=Courier><strong>st20cc myrcu.c -rcu -e rcu_main -c2<br></strong></font>
<p>
<a name="1208267"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Alternatively an RCU may be built with one or more exported/imported entry points, in which case the <font face="Verdana, Arial, Helvetica, sans-serif"><b>dl</b></font> option is used. The <font face="Verdana, Arial, Helvetica, sans-serif"><b>dl</b></font> option is mutually exclusive to the options <font size=2 face=Courier><strong>e</strong></font> and⌨️ 快捷键说明
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