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<h1 class="header-title text-uppercase">Coriolis User's Guide</h1>
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<div class="contents topic" id="contents">
<p class="topic-title first">Contents</p>
<ul class="simple">
<li><a class="reference internal" href="#credits-license" id="id12">Credits &amp; License</a></li>
<li><a class="reference internal" href="#complete-design-flow-examples" id="id13">Complete Design Flow &amp; Examples</a></li>
<li><a class="reference internal" href="#installation" id="id14">Installation</a><ul>
<li><a class="reference internal" href="#fixed-directory-tree" id="id15">Fixed Directory Tree</a></li>
<li><a class="reference internal" href="#building-coriolis" id="id16">Building Coriolis</a></li>
<li><a class="reference internal" href="#packaging-coriolis" id="id17">Packaging Coriolis</a></li>
<li><a class="reference internal" href="#hooking-up-into-alliance" id="id18">Hooking up into <span class="sc">Alliance</span></a></li>
<li><a class="reference internal" href="#setting-up-the-environment-coriolisenv-py" id="id19">Setting up the Environment (coriolisEnv.py)</a></li>
</ul>
</li>
<li><a class="reference internal" href="#cgt-the-graphical-interface" id="id20">CGT - The Graphical Interface</a><ul>
<li><a class="reference internal" href="#id3" id="id21">Viewer &amp; Tools</a></li>
<li><a class="reference internal" href="#id4" id="id22">The Controller</a></li>
</ul>
</li>
</ul>
</div>
<!-- -*- Mode: rst; explicit-buffer-name: "definition.rst<documentation/etc>" -*- -->
<!-- HTML/LaTeX backends mixed macros. -->
<!-- Acronyms & names. -->
<!-- URLs -->
<!-- Standard CAO/VLSI Concepts. -->
<!-- Alliance & MBK Concepts -->
<!-- Hurricane Concepts. -->
<p><span class="sc">Coriolis</span> is a set of tools for <span class="sc">vlsi</span> backend. It's main features are :</p>
<ul class="simple">
<li>An analytic placer <span class="sc">Etesian</span> (based on <span class="sc">Coloquinte</span>).</li>
<li>A router <span class="sc">Katana</span> for digital designs. An extension toward mixed design
is currently under development.</li>
<li><span class="sc">Python</span> fast prototyping capabilities and layout procedural description.</li>
</ul>
<p><span class="sc">Coriolis</span> is a replacement of the <span class="sc">Alliance</span> place and route tools.</p>
<!-- This page is only an excerpt form the `Coriolis User's Guide`_ focused on how -->
<!-- to get and build the toolchain. -->
<!-- -*- Mode: rst -*- -->
<div class="section" id="credits-license">
<h2><a class="toc-backref" href="#id12">Credits &amp; License</a></h2>
<table style="border: none; width: 80%; align: center; margin-left: auto; margin-right: auto; font-size: 110%">
<tr>
<td style="text-align: left" ><span><span class="sc">Hurricane</span></span></td>
<td style="text-align: right"><span>Rémy <span class="sc">Escassut</span> &amp;
Christian <span class="sc">Masson</span></span</td>
</tr>
<tr>
<td style="text-align: left" ><span class="left"><span class="sc">Etesian</span></span></td>
<td style="text-align: right"><span class="right">Gabriel <span class="sc">Gouvine</span></span></td>
</tr>
<tr>
<td style="text-align: left" ><span class="left"><span class="sc">Stratus</span></span></td>
<td style="text-align: right"><span class="right">Sophie <span class="sc">Belloeil</span></span></td>
</tr>
<tr>
<td style="text-align: left" ><span class="left"><span class="sc">Katana</span> (global)</span></td>
<td style="text-align: right"><span class="right">Damien <span class="sc">Dupuis</span></span></td>
</tr>
<tr>
<td style="text-align: left" ><span class="left"><span class="sc">Katana</span> (detailed),
<span class="sc">Unicorn</span></span></span></td>
<td style="text-align: right"><span class="right">Jean-Paul <span class="sc">Chaput</span></span></td>
</tr>
</table><p> <span class="raw-html"><br class="medskip"/></span></p>
<p>The <span class="sc">Hurricane</span> data-base is copyright© <span class="sc">Bull</span> 2000-2019 and is
released under the terms of the <span class="sc">lgpl</span> license. All other tools are
copyright© <span class="sc">upmc</span> 2008-2018, <span class="sc">Sorbonne Université</span> 2018-2019
and released under the <span class="sc">gpl</span> license.</p>
<p>Others important contributors to <span class="sc">Coriolis</span> are Christophe <span class="sc">Alexandre</span>,
Roselyne <span class="sc">Chotin</span>, Hugo <span class="sc">Clement</span>, Marek <span class="sc">Sroka</span> and Wu <span class="sc">Yifei</span>.</p>
<p>The <span class="sc">Katana</span> router makes use of the <span class="sc">Flute</span> software, which is
copyright© Chris C. N. <span class="sc">Chu</span> from the Iowa State University
(<a class="reference external" href="http://home.eng.iastate.edu/~cnchu/">http://home.eng.iastate.edu/~cnchu/</a>).</p>
<!-- -*- Mode: rst -*- -->
<p></p>
</div>
<div class="section" id="complete-design-flow-examples">
<h2><a class="toc-backref" href="#id13">Complete Design Flow &amp; Examples</a></h2>
<p>While <span class="sc">Coriolis</span> can be used stand-alone, it is in fact part of a more complete
design flow build upon <span class="sc">Yosys</span> and <span class="sc">Alliance</span>. In addition, a set of demos and
examples are supplied in the repository <tt class="docutils literal"><span class="pre">alliance-check-toolkit</span></tt>.</p>
<ul>
<li><p class="first"><span class="sc">Yosys</span> : <a class="reference external" href="http://www.clifford.at/yosys/">http://www.clifford.at/yosys/</a></p>
<p>An <span class="cb">rpm</span> packaged version is available here:</p>
<p><a class="reference external" href="https://ftp.lip6.fr/pub/linux/distributions/slsoc/soc/7/addons/x86_64/repoview/yosys.html">https://ftp.lip6.fr/pub/linux/distributions/slsoc/soc/7/addons/x86_64/repoview/yosys.html</a></p>
</li>
<li><p class="first">Alliance : <a class="reference external" href="https://www-soc.lip6.fr/equipe-cian/logiciels/alliance/">https://www-soc.lip6.fr/equipe-cian/logiciels/alliance/</a></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">alliance-check-toolkit</span></tt> <span class="cb">git</span> repository:</p>
<p><a class="reference external" href="https://www-soc.lip6.fr/git/alliance-check-toolkit.git/">https://www-soc.lip6.fr/git/alliance-check-toolkit.git/</a></p>
</li>
</ul>
<!-- -*- Mode: rst -*- -->
</div>
<div class="section" id="installation">
<h2><a class="toc-backref" href="#id14">Installation</a></h2>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last">As the sources are being released, the binary packaging is dropped.
You may still find (very) old versions here: <a class="reference external" href="http://asim.lip6.fr/pub/coriolis/2.0">http://asim.lip6.fr/pub/coriolis/2.0</a> .</p>
</div>
<p>In a nutshell, building source consists in pulling the <span class="cb">git</span> repository then
running the <span class="cb">ccb</span> installer.</p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last">The documentation is already generated and commited in the <span class="cb">git</span> tree.
You may not install the additional prerequisites for the documentation.
By default the documentation is not generated, just installed by <span class="cb">ccb</span>.
If you really want to re-generate it, add the <tt class="docutils literal"><span class="pre">--doc</span></tt> flag to <span class="cb">ccb</span>.</p>
</div>
<p>Main building prerequisites:</p>
<ul class="simple">
<li>cmake</li>
<li>C++11-capable compiler</li>
<li>BFD library (provided through <tt class="docutils literal">binutils</tt>).</li>
<li><a class="reference external" href="http://miloyip.github.io/rapidjson/">RapidJSON</a></li>
<li>python2.7</li>
<li>boost</li>
<li>libxml2</li>
<li>bzip2</li>
<li>yacc &amp; lex</li>
<li>Qt 4 or Qt 5</li>
<li>PyQt 4 or PyQt 5</li>
<li>Qwt</li>
</ul>
<p>Building documentation prerequisites:</p>
<ul class="simple">
<li>doxygen</li>
<li>latex</li>
<li>python-docutils (for reStructuredText)</li>
</ul>
<p>The following libraries get directly bundled with <span class="sc">Coriolis</span>:</p>
<ul class="simple">
<li>LEF/DEF (from <a class="reference external" href="http://www.si2.org/">Si2</a>)</li>
<li>FLUTE (from <a class="reference external" href="http://home.eng.iastate.edu/~cnchu/flute.html">Chris C. N. Chu</a>)</li>
</ul>
<p>For other distributions, refer to their own packaging system.</p>
<div class="section" id="fixed-directory-tree">
<h3><a class="toc-backref" href="#id15">Fixed Directory Tree</a></h3>
<p>In order to simplify the work of the <span class="cb">ccb</span> installer, the source, build
and installation tree is fixed. To successfully compile <span class="sc">Coriolis</span> you must
follow it exactly. The tree is relative to the home directory of the user
building it (note <span class="fboxtt">~/</span> or <span class="fboxtt">$HOME/</span>). Only the source
directory needs to be manually created by the user, all others will be
automatically created either by <span class="cb">ccb</span> or the build system.</p>
<table class="table">
<colgroup>
<col width="28%" />
<col width="72%" />
</colgroup>
<tbody valign="top">
<tr><td colspan="2"><strong>Sources</strong></td>
</tr>
<tr><td><div class="first last line-block">
<div class="line">Sources root</div>
<div class="line"><strong>under git</strong></div>
</div>
</td>
<td><div class="first last line-block">
<div class="line">~/coriolis-2.x/src</div>
<div class="line">~/coriolis-2.x/src/coriolis</div>
</div>
</td>
</tr>
<tr><td colspan="2"><strong>Architecture Dependant Build</strong></td>
</tr>
<tr><td><div class="first last line-block">
<div class="line">Linux, SL 7, 64b</div>
<div class="line">Linux, SL 6, 32b</div>
<div class="line">Linux, SL 6, 64b</div>
<div class="line">Linux, Fedora, 64b</div>
<div class="line">Linux, Fedora, 32b</div>
<div class="line">FreeBSD 8, 32b</div>
<div class="line">FreeBSD 8, 64b</div>
<div class="line">Windows 7, 32b</div>
<div class="line">Windows 7, 64b</div>
<div class="line">Windows 8.x, 32b</div>
<div class="line">Windows 8.x, 64b</div>
</div>
</td>
<td><div class="first last line-block">
<div class="line">~/coriolis-2.x/Linux.el7_64/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Linux.slsoc6x/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Linux.slsoc6x_64/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Linux.fc_64/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Linux.fc/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/FreeBSD.8x.i386/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/FreeBSD.8x.amd64/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Cygwin.W7/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Cygwin.W7_64/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Cygwin.W8/Release.Shared/build/&lt;tool&gt;</div>
<div class="line">~/coriolis-2.x/Cygwin.W8_64/Release.Shared/build/&lt;tool&gt;</div>
</div>
</td>
</tr>
<tr><td colspan="2"><strong>Architecture Dependant Install</strong></td>
</tr>
<tr><td>Linux, SL 6, 32b</td>
<td>~/coriolis-2.x/Linux.slsoc6x/Release.Shared/install/</td>
</tr>
<tr><td colspan="2"><strong>FHS Compliant Structure under Install</strong></td>
</tr>
<tr><td><div class="first last line-block">
<div class="line">Binaries</div>
<div class="line">Libraries (Python)</div>
<div class="line">Include by tool</div>
<div class="line">Configuration files</div>
<div class="line">Doc, by tool</div>
</div>
</td>
<td><div class="first last line-block">
<div class="line">.../install/bin</div>
<div class="line">.../install/lib</div>
<div class="line">.../install/include/coriolis2/&lt;project&gt;/&lt;tool&gt;</div>
<div class="line">.../install/etc/coriolis2/</div>
<div class="line">.../install/share/doc/coriolis2/en/html/&lt;tool&gt;</div>
</div>
</td>
</tr>
</tbody>
</table>
<div class="note">
<p class="first admonition-title">Note</p>
<p><em>Alternate build types:</em> the <tt class="docutils literal">Release.Shared</tt> means an optimized build
with shared libraries. But there are also available <tt class="docutils literal">Static</tt> instead of <tt class="docutils literal">Shared</tt>
and <tt class="docutils literal">Debug</tt> instead of <tt class="docutils literal">Release</tt> and any combination of them.</p>
<p class="last"><tt class="docutils literal">Static</tt> does not work because I don't know yet to mix statically linked binaries
and Python modules (which must be dynamic).</p>
</div>
</div>
<div class="section" id="building-coriolis">
<h3><a class="toc-backref" href="#id16">Building Coriolis</a></h3>
<div class="section" id="the-actively-developed-branch">
<h4>The actively developed branch</h4>
<p>The <strong>devel_anabatic</strong> branch is now closed and we go back to a more classical
scheme where <strong>master</strong> is the stable version and <strong>devel</strong> the development one.</p>
<p>The <span class="sc">Coriolis</span> <span class="cb">git</span> repository is <a class="reference external" href="https://www-soc.lip6.fr/git/coriolis.git">https://www-soc.lip6.fr/git/coriolis.git</a></p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last">Again, the <strong>devel_anabatic</strong> branch is now closed. Please revert to <strong>devel</strong>
or <strong>master</strong>.</p>
</div>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last">As it is now possible to mix <span class="sc">PyQt</span> widget with <span class="sc">Coriolis</span> ones, it is simpler
for us to revert to <span class="sc">qt</span> 4 only. Our reference <span class="sc">os</span> being <span class="sc">rhel</span> 7, there is no
compatible <span class="sc">PyQt5</span> build compatible with their <span class="sc">qt</span> 5 version (we fall short of
one minor, they provides <span class="sc">qt</span> 5.9 were we need at least <span class="sc">qt</span> 5.10).</p>
</div>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last">Under <span class="sc">rhel</span> 7 or clones, they upgraded their version of <span class="sc">qt</span> 4 (from 4.6 to 4.8)
so the <em>diagonal line</em> bug no longer occurs. So we can safely use the default
system <span class="sc">qt</span> again.</p>
</div>
</div>
<div class="section" id="installing-on-redhat-or-compatible-distributions">
<h4>Installing on <span class="sc">RedHat</span> or compatible distributions</h4>
<ol class="arabic">
<li><p class="first">Install or check that the required prerequisites are installed :</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; yum install -y git cmake bison flex gcc-c++ libstdc++-devel <span class="se">\</span>
binutils-devel <span class="se">\</span>
boost-devel boost-python boost-filesystem <span class="se">\</span>
boost-regex boost-wave <span class="se">\</span>
python-devel libxml2-devel bzip2-devel <span class="se">\</span>
qt-devel qwt-devel <span class="c1"># Qt 4</span>
</pre></div>
<p>Note, that the <tt class="docutils literal">Qwt</tt> packages are directly available from the standart distribution
when using <span class="sc">qt</span> 4.</p>
</li>
<li><p class="first">Install the unpackaged prerequisites. Currently, only <a class="reference external" href="http://miloyip.github.io/rapidjson/">RapidJSON</a>.</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; mkdir -p ~/coriolis-2.x/src/support
dummy@lepka:support&gt; <span class="nb">cd</span> ~/coriolis-2.x/src/support
dummy@lepka:support&gt; git clone http://github.com/miloyip/rapidjson
</pre></div>
</li>
<li><p class="first">Create the source directory and pull the <span class="cb">git</span> repository:</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; mkdir -p ~/coriolis-2.x/src
dummy@lepka:src&gt; <span class="nb">cd</span> ~/coriolis-2.x/src
dummy@lepka:src&gt; git clone https://www-soc.lip6.fr/git/coriolis.git
</pre></div>
</li>
<li><p class="first">Build &amp; install:</p>
<div class="highlight"><pre><span></span>dummy@lepka:src&gt; <span class="nb">cd</span> coriolis
dummy@lepka:coriolis&gt; git checkout devel
dummy@lepka:coriolis&gt; ./bootstrap/ccb.py --project<span class="o">=</span>support <span class="se">\</span>
--project<span class="o">=</span>coriolis <span class="se">\</span>
--make<span class="o">=</span><span class="s2">&quot;-j4 install&quot;</span>
</pre></div>
</li>
</ol>
<div class="note">
<p class="first admonition-title">Note</p>
<p>Pre-generated documentation will get installed by the previous command.
Only if you did made modifications to it you need to regenerate it with:</p>
<div class="highlight"><pre><span></span>dummy@lepka:coriolis&gt; ./bootstrap/ccb.py --project<span class="o">=</span>support <span class="se">\</span>
--project<span class="o">=</span>coriolis <span class="se">\</span>
--doc --make<span class="o">=</span><span class="s2">&quot;-j1 install&quot;</span>
</pre></div>
<p class="last">We need to perform a separate installation of the documentation because it
does not support to be generated with a parallel build. So we compile &amp; install in a first
stage in <tt class="docutils literal"><span class="pre">-j4</span></tt> (or whatever) then we generate the documentation in <tt class="docutils literal"><span class="pre">-j1</span></tt></p>
</div>
<p>Under <span class="sc">rhel6</span> or clones, you must build using the <span class="cb">devtoolset</span>, the version is to
be given as argument:</p>
<div class="highlight"><pre><span></span>dummy@lepka:coriolis&gt; ./bootstrap/ccb.py --project<span class="o">=</span>coriolis <span class="se">\</span>
--devtoolset<span class="o">=</span><span class="m">8</span> --make<span class="o">=</span><span class="s2">&quot;-j4 install&quot;</span>
</pre></div>
<p>If you want to use Qt 5 instead of Qt 4, modify the previous steps as follows:</p>
<ul>
<li><p class="first">At <strong>step 1</strong>, do not install the <span class="sc">qt</span> 4 related development package (<tt class="docutils literal"><span class="pre">qt4-devel</span></tt>),
but instead:</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; yum install -y qt5-qtbase-devel qt5-qtsvg-devel <span class="c1"># Qt 5.</span>
</pre></div>
<p>The package <tt class="docutils literal"><span class="pre">qwt-qt5-devel</span></tt> and it's dependency <tt class="docutils literal"><span class="pre">qwt-qt5</span></tt> are not provided
by any standard repository (like <span class="sc">epel</span>). You may download them from the
<a class="reference external" href="https://ftp.lip6.fr/pub/linux/distributions/slsoc/soc/7/addons/x86_64/repoview/letter_q.group.html">LIP6 Addons Repository</a>
Then run:</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; yum localinstall -y qwt-qt5-6.1.2-4.fc23.x86_64.rpm <span class="se">\</span>
qwt-qt5-6.1.2-4.fc23.x86_64.rpm <span class="c1"># Qwt for Qt 5.</span>
</pre></div>
</li>
<li><p class="first">At <strong>step 4</strong>, add a <tt class="docutils literal"><span class="pre">--qt5</span></tt> argument to the <tt class="docutils literal">ccb.py</tt> command line.</p>
</li>
<li><p class="first">The <span class="sc">Python</span> scripts that make use of <span class="sc">PyQt</span> in <tt class="docutils literal">crlcore</tt> and <tt class="docutils literal">cumulus</tt> must be
edited to import <tt class="docutils literal">PyQt5</tt> instead of <tt class="docutils literal">PtQt4</tt> (should find a way to automatically
switch between the two of them).</p>
</li>
</ul>
<p>The complete list of <span class="cb">ccb</span> functionalities can be accessed with the <tt class="docutils literal"><span class="pre">--help</span></tt> argument.
It also may be run in graphical mode (<tt class="docutils literal"><span class="pre">--gui</span></tt>).</p>
</div>
<div class="section" id="building-a-debug-enabled-version">
<h4>Building a Debug Enabled Version</h4>
<p>The <tt class="docutils literal">Release.Shared</tt> default version of the <span class="sc">Coriolis</span> is built stripped of symbols
and optimized so that it makes analysing a core dump after a crash difficult. In the
(unlikely) case of a crash, you may want to build, alongside the optimized version,
a debug one which allows forensic examination by <span class="cb">gdb</span> (or <span class="cb">valgrind</span> or whatever).</p>
<p>Run again <tt class="docutils literal">ccb.py</tt>, adding the <tt class="docutils literal"><span class="pre">--debug</span></tt> argument:</p>
<div class="highlight"><pre><span></span>dummy@lepka:coriolis&gt; ./bootstrap/ccb.py --project<span class="o">=</span>support <span class="se">\</span>
--project<span class="o">=</span>coriolis <span class="se">\</span>
--make<span class="o">=</span><span class="s2">&quot;-j4 install&quot;</span> --debug
</pre></div>
<p>As <span class="cb">cgt</span> is a <span class="sc">Python</span> script, the right command to run <span class="cb">gdb</span> is:</p>
<div class="highlight"><pre><span></span>dummy@lepka:work&gt; gdb python core.XXXX
</pre></div>
<!-- Building the Devel Branch -->
<!-- - - - - - - - - - - - - - - - - - - - - - - - - - -->
<!-- -->
<!-- In the |Coriolis| |git| repository, two branches are present: -->
<!-- -->
<!-- * The :cb:`master` branch, which contains the latest stable version. This is the -->
<!-- one used by default if you follow the above instructions. -->
<!-- -->
<!-- * The :cb:`devel` branch, which obviously contains the latest commits from the -->
<!-- development team. To use it instead of the :cb:`master` one, do the following -->
<!-- command just after the first step: :: -->
<!-- -->
<!-- dummy@lepka:coriolis> git checkout devel -->
<!-- dummy@lepka:coriolis> ./bootstrap/ccb.py - -project=coriolis \ -->
<!-- - -make="-j4 install" - -debug -->
<!-- -->
<!-- Be aware that it may require newer versions of the dependencies and may introduce -->
<!-- incompatibilities with the stable version. -->
<p></p>
</div>
<div class="section" id="installing-on-debian-9-ubuntu-18-or-compatible-distributions">
<h4>Installing on <span class="sc">Debian</span> 9, <span class="sc">Ubuntu</span> 18 or compatible distributions</h4>
<p>First, install or check that the required prerequisites are installed:</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; sudo apt install -y build-essential binutils-dev <span class="se">\</span>
git cmake bison flex gcc python-dev <span class="se">\</span>
libboost-all-dev libboost-python-dev <span class="se">\</span>
libbz2-dev libxml2-dev rapidjson-dev libbz2-dev <span class="se">\</span>
qt4-dev-tools libqwt5-qt4-dev <span class="se">\ </span><span class="c1"># Qt 4</span>
qtbase5-dev libqt5svg5-dev libqwt-qt5-dev <span class="se">\ </span><span class="c1"># Qt 5</span>
doxygen dvipng graphviz python-sphinx <span class="se">\</span>
texlive-fonts-extra texlive-lang-french
</pre></div>
<p>Second step is to create the source directory and pull the <span class="cb">git</span> repository:</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; mkdir -p ~/coriolis-2.x/src
dummy@lepka:src&gt; <span class="nb">cd</span> ~/coriolis-2.x/src
dummy@lepka:src&gt; git clone https://www-soc.lip6.fr/git/coriolis.git
</pre></div>
<p>Third and final step, build &amp; install:</p>
<div class="highlight"><pre><span></span>dummy@lepka:src&gt; <span class="nb">cd</span> coriolis
dummy@lepka:coriolis&gt; git checkout devel
dummy@lepka:coriolis&gt; ./bootstrap/ccb.py --project<span class="o">=</span>coriolis <span class="se">\</span>
--make<span class="o">=</span><span class="s2">&quot;-j4 install&quot;</span>
</pre></div>
</div>
<div class="section" id="additionnal-requirement-under-macos">
<h4>Additionnal Requirement under <span class="sc">MacOS</span></h4>
<p><span class="sc">Coriolis</span> makes use of the <span class="cb">boost::python</span> module, but the <span class="sc">MacPorts</span> <span class="cb">boost</span>
seems unable to work with the <span class="sc">Python</span> bundled with <span class="sc">MacOS</span>. So you have to install
both of them from <span class="sc">MacPorts</span>:</p>
<div class="highlight"><pre><span></span>dummy@macos:~&gt; port install boost +python27
dummy@macos:~&gt; port <span class="k">select</span> python python27
dummy@macos:-&gt; <span class="nb">export</span> <span class="nv">DYLD_FRAMEWORK_PATH</span><span class="o">=</span>/opt/local/Library/Frameworks
</pre></div>
<p>The last two lines tell <span class="sc">MacOS</span> to use the <span class="sc">Python</span> from <span class="sc">MacPorts</span> and <em>not</em> from
the system.</p>
<p>Then proceed with the generic install instructions.</p>
</div>
</div>
<div class="section" id="packaging-coriolis">
<h3><a class="toc-backref" href="#id17">Packaging Coriolis</a></h3>
<p>Packager should not use <span class="cb">ccb</span>, instead <tt class="docutils literal">bootstrap/Makefile.package</tt> is provided
to emulate a top-level <tt class="docutils literal">autotool</tt> makefile. Just copy it in the root of the
<span class="sc">Coriolis</span> git repository (<tt class="docutils literal"><span class="pre">~/corriolis-2.x/src/coriolis/</span></tt>) and build.</p>
<p>Sligthly outdated packaging configuration files can also be found under <tt class="docutils literal">bootstrap/</tt>:</p>
<ul class="simple">
<li><tt class="docutils literal">bootstrap/coriolis2.spec.in</tt> for <span class="cb">rpm</span> based distributions.</li>
<li><tt class="docutils literal">bootstrap/debian</tt> for <span class="sc">Debian</span> based distributions.</li>
</ul>
</div>
<div class="section" id="hooking-up-into-alliance">
<h3><a class="toc-backref" href="#id18">Hooking up into <span class="sc">Alliance</span></a></h3>
<p><span class="sc">Coriolis</span> relies on <span class="sc">Alliance</span> for the cell libraries. So after installing or
packaging, you must configure it so that it can found those libraries.</p>
<p>The easiest way is to setup the <span class="sc">Alliance</span> environment (i.e. sourcing
<tt class="docutils literal"><span class="pre">.../etc/profile.d/alc_env.{sh,csh}</span></tt>) <strong>before</strong> setting up <span class="sc">Coriolis</span> environment
(see the next section). To understand how <span class="sc">Coriolis</span> find/setup <span class="sc">Alliance</span> you may
have look to the <cite>Alliance Helper</cite>.</p>
</div>
<div class="section" id="setting-up-the-environment-coriolisenv-py">
<h3><a class="toc-backref" href="#id19">Setting up the Environment (coriolisEnv.py)</a></h3>
<p>To simplify the tedious task of configuring your environment, a helper is provided
in the <tt class="docutils literal">bootstrap</tt> source directory (also installed in the directory
<tt class="docutils literal"><span class="pre">.../install/etc/coriolis2/</span></tt>) :</p>
<div class="highlight"><pre><span></span>~/coriolis-2.x/src/coriolis/bootstrap/coriolisEnv.py
</pre></div>
<p>Use it like this:</p>
<div class="highlight"><pre><span></span>dummy@lepka:~&gt; <span class="nb">eval</span> <span class="sb">`</span>~/coriolis-2.x/src/coriolis/bootstrap/coriolisEnv.py<span class="sb">`</span>
</pre></div>
<div class="note">
<p class="first admonition-title">Note</p>
<p><strong>Do not call that script in your environement initialisation.</strong>
When used under <span class="sc">rhel6</span> or clones, it needs to be run in the <span class="cb">devtoolset</span>
environement. The script then launch a new shell, which may cause an
infinite loop if it's called again in, say <span class="cb">~/.bashrc</span>.</p>
<p>Instead you may want to create an alias:</p>
<div class="last"><div class="highlight"><pre><span></span><span class="nb">alias</span> <span class="nv">c2r</span><span class="o">=</span><span class="s1">&#39;eval &quot;`~/coriolis-2.x/src/coriolis/bootstrap/coriolisEnv.py`&quot;&#39;</span>
</pre></div>
</div></div>
<!-- -*- Mode: rst -*- -->
</div>
</div>
<div class="section" id="cgt-the-graphical-interface">
<h2><a class="toc-backref" href="#id20">CGT - The Graphical Interface</a></h2>
<p>The <span class="sc">Coriolis</span> graphical interface is split up into two windows.</p>
<ul class="simple">
<li>The <strong>Viewer</strong>, with the following features:<ul>
<li>Basic load/save capabilities.</li>
<li>Displays the current working cell. Could be empty if the design
is not yet placed.</li>
<li>Executes Stratus Scripts.</li>
<li>Menu to run the tools (placement, routage).</li>
</ul>
</li>
</ul>
<p>Features are detailed in <a class="reference internal" href="#viewer-tools">Viewer &amp; Tools</a>.</p>
<p><img alt="Viewer Basic Snapshot" class="align-middle" src="../pages/images/Viewer-1.png" style="width: 80%;" /></p>
<ul class="simple">
<li>The <strong>Controller</strong>, which allows to:<ul>
<li>Tweak what is displayed by the <em>Viewer</em>. Through the <em>Look</em>,
<em>Filter</em> and <em>Layers&amp;Gos</em> tabs.</li>
<li>Browse the <em>netlist</em> with eponym tab.</li>
<li>Show the list of selected objects (if any) with <em>selection</em></li>
<li>Walk through the Database, the Cell or the Selection with <em>Inspector</em>.
This is an advanced feature, reserved for experimented users.</li>
<li>The tab <em>Settings</em> which gives access to all the settings.
They are closely related to Configuration &amp; Initialisation.</li>
</ul>
</li>
</ul>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-1.png" style="width: 80%;" /> </p>
<div class="section" id="id3">
<span id="viewer-tools"></span><h3><a class="toc-backref" href="#id21">Viewer &amp; Tools</a></h3>
<div class="section" id="stratus-netlist-capture">
<h4><span class="sc">Stratus</span> Netlist Capture</h4>
<p><span class="sc">Stratus</span> is the replacement for <span class="sc">GenLib</span> procedural netlist capture language.
It is designed as a set of <span class="sc">Python</span> classes, and comes with it's own documentation
(<a class="reference external" href="../stratus/Stratus_HTML.rst">Stratus Documentation</a>)</p>
</div>
<div class="section" id="the-hurricane-data-base">
<h4>The <span class="sc">Hurricane</span> Data-Base</h4>
<p>The <span class="sc">Alliance</span> flow is based on the <span class="sc">mbk</span> data-base, which has one data-structure
for each view. That is, <span class="cb">Lofig</span> for the <em>logical</em> view and <span class="cb">Phfig</span> for the <em>physical</em>
view. The place and route tools were responsible for maintaining (or not) the
coherency between views. Reflecting this weak coupling between views, each one
was stored in a separate file with a specific format. The <em>logical</em> view is stored
in a <span class="cb">vst</span> file in <span class="sc">vhdl</span> format and the <em>physical</em> in an <span class="cb">ap</span> file in an ad-hoc format.</p>
<p>The <span class="sc">Coriolis</span> flow is based on the <span class="sc">Hurricane</span> data-base, which has a unified
structure for <em>logical</em> and <em>physical</em> view. That data structure is the <em>Cell</em> object.
The <em>Cell</em> can have any state between pure netlist and completly placed and
routed design. Although the memory representation of the views has deeply
changed we still use the <span class="sc">Alliance</span> files format, but they now really represent
views of the same object. The point is that one must be very careful about
view coherency when going to and from <span class="sc">Coriolis</span>.</p>
<p>As for the second release, <span class="sc">Coriolis</span> can be used only for three purposes :</p>
<ul class="simple">
<li><strong>Placing a design</strong>, in which case the <em>netlist</em> view must be present.</li>
<li><strong>Routing a design</strong>, in that case the <em>netlist</em>
view and the <em>layout</em> view must be present and <em>layout</em> view must contain
a placement. Both views must have the same name. When saving the routed design,
it is advised to change the design name otherwise the original unrouted placement
in the <em>layout</em> view will be overwritten.</li>
<li><strong>Viewing a design</strong>, the <em>netlist</em> view must be present, if a <em>layout</em>
view is present it still must have the same name but it can be in any
state.</li>
</ul>
</div>
<div class="section" id="synthetizing-and-loading-a-design">
<h4>Synthetizing and loading a design</h4>
<p><span class="sc">Coriolis</span> supports several file formats. It can load all file format
from the <span class="sc">Alliance</span> toolchain (.ap for layout, behavioural and structural vhdl .vbe and .vst),
BLIF netlist format as well as benchmark formats from the ISPD contests.</p>
<p>It can be compiled with LEF/DEF support, although it requires acceptance of the SI2 license
and may not be compiled in your version of the software.</p>
<div class="section" id="synthesis-under-yosys">
<h5>Synthesis under Yosys</h5>
<p>You can create a BLIF file from the <span class="sc">Yosys</span> synthetizer, which can be imported under Coriolis.
Most libraries are specified as a .lib liberty file and a .lef LEF file.
<span class="sc">Yosys</span> opens most .lib files with minor modifications, but LEF support in Coriolis relies on SI2.
If Coriolis hasn't been compiled against it, the library is given in <span class="sc">Alliance</span> .ap format.
<a class="reference external" href="http://vlsitechnology.org">Some free libraries</a> already provide both .ap and .lib files.</p>
<p>Once you have installed a common library under <span class="sc">Yosys</span> and Coriolis, just synthetize your design
with <span class="sc">Yosys</span> and import it (as Blif without the extension) under Coriolis to perform place&amp;route.</p>
</div>
<div class="section" id="synthesis-under-alliance">
<h5>Synthesis under Alliance</h5>
<p><span class="sc">Alliance</span> is an older toolchain but has been extensively used for years. Coriolis can import
and write Alliance designs and libraries directly.</p>
</div>
</div>
<div class="section" id="etesian-placer">
<h4>Etesian -- Placer</h4>
<p>The <span class="sc">Etesian</span> placer is a state of the art (as of 2015) analytical placer. It is
within <tt class="docutils literal">5%</tt> of other placers' solutions, but is normally a bit worse than ePlace.
This <span class="sc">Coriolis</span> tool is actually an encapsulation of <span class="sc">Coloquinte</span> which <em>is</em> the placer.</p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last"><em>Instance Uniquification:</em> a same logical instance cannot have
two different placements. So, if you don't supply a placement for it, it will be
uniquified (cloned) and you will see the copy files appears on disk upon saving.</p>
</div>
<p> <span class="raw-html"><p class="noindent"></p></span>
<strong>Hierarchical Placement</strong></p>
<p>The placement area is defined by the top cell abutment box.</p>
<p>When placing a complete hierarchy, the abutment boxes of the cells (models) other than
the top cell are set identical to the one of the top cell and their instances are
all placed at position <tt class="docutils literal">(0,0,ID)</tt>. That is, all the abutments boxes, whatever the
hierarchical level, define the same area (they are exactly superposed).</p>
<p>We choose this scheme because the placer will see all the instances as virtually
flattened, so they can be placed anywhere inside the top-cell abutment box.</p>
<p> <img alt="Etesian Abutment Box" class="align-middle" src="../pages/images/etesian-1.png" style="width: 80%;" /> </p>
<p> <span class="raw-html"><p class="noindent"></p></span>
<strong>Computing the Placement Area</strong></p>
<p>The placement area is computed using the <tt class="docutils literal">etesian.aspectRatio</tt> and <tt class="docutils literal">etesian.spaceMargin</tt>
parameters only if the top-cell has an empty abutment box. If the top-cell abutment
box has to be set, then it is propagated to all the instances models recursively.</p>
<p> <span class="raw-html"><p class="noindent"></p></span>
<strong>Reseting the Placement</strong></p>
<p>Once a placement has been done, the placer cannot reset it (will be implemented
later). To perform a new placement, you must restart <span class="cb">cgt</span>. In addition, if you
have saved the placement on disk, you must erase any <span class="cb">.ap</span> file, which are
automatically reloaded along with the netlist (<span class="cb">.vst</span>).</p>
<p> <span class="raw-html"><p class="noindent"></p></span>
<strong>Limitations</strong></p>
<p>Etesian supports standard cells and fixed macros. As for the Coriolis 2.1 version,
it doesn't support movable macros, and you must place every macro beforehand.
Timing and routability analysis are not included either, and the returned placement
may be unroutable.</p>
<div class="section" id="etesian-configuration-parameters">
<h5>Etesian Configuration Parameters</h5>
<table class="table">
<colgroup>
<col width="43%" />
<col width="22%" />
<col width="35%" />
</colgroup>
<thead valign="bottom">
<tr><th class="head">Parameter Identifier</th>
<th class="head">Type</th>
<th class="head">Default</th>
</tr>
</thead>
<tbody valign="top">
<tr><td colspan="3"><strong>Etesian Parameters</strong></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">etesian.aspectRatio</tt></td>
<td>TypePercentage</td>
<td><span class="cb">100</span></td>
</tr>
<tr><td colspan="2">Define the height on width <tt class="docutils literal">H/W</tt> aspect
ratio, can be comprised between 10 and 1000</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">etesian.spaceMargin</tt></td>
<td>TypePercentage</td>
<td><span class="cb">5</span></td>
</tr>
<tr><td colspan="2">The extra white space added to the total area
of the standard cells</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">etesian.uniformDensity</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">Whether the cells will be spread envenly
across the area or allowed to form denser
clusters</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">etesian.effort</tt></td>
<td>TypeInt</td>
<td><span class="cb">2</span></td>
</tr>
<tr><td colspan="2">Sets the balance between the speed of the
placer and the solution quality</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">etesian.routingDriven</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">Whether the tool will try routing iterations
and whitespace allocation to improve
routability; to be implemented</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">etesian.graphics</tt></td>
<td>TypeInt</td>
<td><span class="cb">2</span></td>
</tr>
<tr><td colspan="2"><p class="first">How often the display will be refreshed
More refreshing slows the placer.</p>
<ul class="last simple">
<li><tt class="docutils literal">1</tt> shows both upper and lower bounds</li>
<li><tt class="docutils literal">2</tt> only shows lower bound results</li>
<li><tt class="docutils literal">3</tt> only shows the final results</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p></p>
</div>
</div>
<div class="section" id="katana-global-router">
<h4>Katana -- Global Router</h4>
<p>The quality of <span class="sc">Katana</span> global routing solutions are equivalent to those of <a class="reference external" href="http://vlsicad.eecs.umich.edu/BK/FGR/">FGR</a> 1.0.
For an in-depth description of <span class="sc">Katana</span> algorithms, you may download the thesis of
D. <span class="sc">Dupuis</span> avalaible from here~: <a class="reference external" href="http://www-soc.lip6.fr/en/users/damiendupuis/PhD/">Knik Thesis</a> (<span class="sc">Knik</span> has been rewritten as part
of <span class="sc">Katana</span>, the algorithms remains essentially the same).</p>
<p>The global router is now deterministic.</p>
</div>
<div class="section" id="katana-detailed-router">
<h4>Katana -- Detailed Router</h4>
<p><span class="sc">Katana</span> no longer suffers from the limitations of <span class="sc">Nero</span>. It can route big designs
as its runtime and memory footprint is almost linear (with respect to the number
of gates). It has successfully routed design of more than <cite>150K</cite> gates.
<span class="raw-html"><br class="medskip"/></span></p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last"><strong>Slow Layer Assignment.</strong> Most of the time, the layer assignment stage is
fast (less than a dozen seconds), but in some instances it can take more
than a dozen <em>minutes</em>. This is a known bug and will be corrected in later
releases.</p>
</div>
<p>After each run, <span class="sc">Katana</span> displays a set of <em>completion ratios</em> which must all
be equal to <cite>100%</cite> or (<tt class="docutils literal">NNNN+0</tt>) if the detailed routing has been successfull.
In the event of a failure, on a saturated design, you may tweak the three
following configuration parameters:</p>
<ol class="arabic simple">
<li><tt class="docutils literal">katana.hTrackReservedLocal</tt>, the number of track reserved for local routing,
that quantity is substracted from the edge capacities (global routing) to
give a sense of the cluttering inside the GCells.</li>
<li><tt class="docutils literal">katana.vTrackReservedLocal</tt>, same as above.</li>
<li><tt class="docutils literal">etesian.spaceMargin</tt>, increases the free area of the overall design so the
routing density decrease.</li>
</ol>
<p>The idea is to increase the horizontal and vertical local track reservation until
the detailed router succeeds. But in doing so we make the task of the global router
more and more difficult as the capacity of the edges decreases, and at some point
it will fail too. So this is a balance.</p>
<p>Routing a design is done in four ordered steps:</p>
<ol class="arabic simple">
<li>Detailed pre-route <span class="formula"><b>P&R</b> → <b>Step by Step</b> → <b>Detailed PreRoute</b></span>
</li>
<li>Global routing <span class="formula"><b>P&R</b> → <b>Step by Step</b> → <b>Global Route</b></span>
</li>
<li>Detailed routing <span class="formula"><b>P&R</b> → <b>Step by Step</b> → <b>Detailed Route</b></span>
</li>
<li>Finalize routing <span class="formula"><b>P&R</b> → <b>Step by Step</b> → <b>Finalize Route</b></span>
</li>
</ol>
<p>It is possible to supply to the router a complete wiring for some nets that the user
wants to be routed according to a specific topology. The supplied topology must respect
the building rules of the <span class="sc">Anabatic</span> database (contacts must be, <em>terminals</em>, <em>turns</em>, <em>h-tee</em>
&amp; <em>v-tee</em> only). During the first step <span class="fboxtt">Detailed Pre-Route</span> the router will solve
overlaps between the segments, without making any dogleg. If no pre-routed topologies
are present, this step may be ommited. Any net routed at this step is then fixed and
become unmovable for the later stages.</p>
<p>After the detailed routing step the <span class="sc">Katana</span> data-structure is still active
(the Hurricane wiring is decorated). The finalize step performs the removal of
the <span class="sc">Katana</span> data-structure, and it is not advisable to save the design before
that step.</p>
<p>You may visualize the density (saturation) of either the edges (global routing)
or the GCells (detailed routing) until the routing is finalized. Special layers appear
to that effect in the <a class="reference internal" href="#the-layers-go-tab">The Layers&amp;Go Tab</a>.</p>
<div class="section" id="katana-configuration-parameters">
<h5>Katana Configuration Parameters</h5>
<p>The <span class="sc">Anabatic</span> parameters control the layer assignment step.</p>
<p>All the defaults value given below are from the default <span class="sc">Alliance</span> technology
(<span class="cb">cmos</span> and <span class="cb">SxLib</span> cell gauge/routing gauge).</p>
<table class="table">
<colgroup>
<col width="43%" />
<col width="22%" />
<col width="35%" />
</colgroup>
<thead valign="bottom">
<tr><th class="head">Parameter Identifier</th>
<th class="head">Type</th>
<th class="head">Default</th>
</tr>
</thead>
<tbody valign="top">
<tr><td colspan="3"><strong>Anabatic Parameters</strong></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">anabatic.topRoutingLayer</tt></td>
<td>TypeString</td>
<td><span class="cb">METAL5</span></td>
</tr>
<tr><td colspan="2">Define the highest metal layer that will be
used for routing (inclusive).</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">anabatic.globalLengthThreshold</tt></td>
<td>TypeInt</td>
<td><span class="cb">1450</span></td>
</tr>
<tr><td colspan="2">This parameter is used by a layer assignment
method which is no longer used (did not give
good results)</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">anabatic.saturateRatio</tt></td>
<td>TypePercentage</td>
<td><span class="cb">80</span></td>
</tr>
<tr><td colspan="2">If <tt class="docutils literal">M(x)</tt> density is above this ratio,
move up feedthru global segments up from
depth <tt class="docutils literal">x</tt> to <tt class="docutils literal">x+2</tt></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">anabatic.saturateRp</tt></td>
<td>TypeInt</td>
<td><span class="cb">8</span></td>
</tr>
<tr><td colspan="2">If a GCell contains more terminals
(<span class="cb">RoutingPad</span>) than that number, force a
move up of the connecting segments to those
in excess</td>
</tr>
<tr><td colspan="3"><strong>Katana Parameters</strong></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.hTracksReservedLocal</tt></td>
<td>TypeInt</td>
<td><span class="cb">3</span></td>
</tr>
<tr><td colspan="2">To take account the tracks needed <em>inside</em> a
GCell to build the <em>local</em> routing, decrease
the capacity of the edges of the global
router. Horizontal and vertical locally
reserved capacity can be distinguished for
more accuracy.</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.vTracksReservedLocal</tt></td>
<td>TypeInt</td>
<td><span class="cb">3</span></td>
</tr>
<tr><td colspan="2">cf. <tt class="docutils literal">kite.hTracksReservedLocal</tt></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.eventsLimit</tt></td>
<td>TypeInt</td>
<td><span class="cb">4000002</span></td>
</tr>
<tr><td colspan="2">The maximum number of segment displacements,
this is a last ditch safety against infinite
loop. It's perhaps a little too low for big
designs</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.ripupCost</tt></td>
<td>TypeInt</td>
<td><span class="cb">3</span></td>
</tr>
<tr><td colspan="2">Differential introduced between two ripup
costs to avoid a loop between two ripped up
segments</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.strapRipupLimit</tt></td>
<td>TypeInt</td>
<td><span class="cb">16</span></td>
</tr>
<tr><td colspan="2">Maximum number of ripup for <em>strap</em> segments</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.localRipupLimit</tt></td>
<td>TypeInt</td>
<td><span class="cb">9</span></td>
</tr>
<tr><td colspan="2">Maximum number of ripup for <em>local</em> segments</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.globalRipupLimit</tt></td>
<td>TypeInt</td>
<td><span class="cb">5</span></td>
</tr>
<tr><td colspan="2">Maximum number of ripup for <em>global</em> segments,
when this limit is reached, triggers topologic
modification</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">katana.longGlobalRipupLimit</tt></td>
<td>TypeInt</td>
<td><span class="cb">5</span></td>
</tr>
<tr><td colspan="2">Maximum number of ripup for <em>long global</em>
segments, when this limit is reached, triggers
topological modification</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="executing-python-scripts-in-cgt">
<span id="python-scripts-in-cgt"></span><h4>Executing Python Scripts in Cgt</h4>
<p>Python/Stratus scripts can be executed either in text or graphical mode.</p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last"><strong>How Cgt Locates Python Scripts:</strong>
<span class="cb">cgt</span> uses the Python <tt class="docutils literal">import</tt> mechanism to load Python scripts.
So you must give the name of your script whithout <tt class="docutils literal">.py</tt> extension and
it must be reachable through the <tt class="docutils literal">PYTHONPATH</tt>. You may use the
dotted module notation.</p>
</div>
<p>A Python/Stratus script must contain a function called <tt class="docutils literal">ScriptMain()</tt>
with one optional argument, the graphical editor into which it may be
running (will be set to <tt class="docutils literal">None</tt> in text mode). The Python interface to
the editor (type: <span class="cb">CellViewer</span>) is limited to basic capabilities
only.</p>
<p>Any script given on the command line will be run immediatly <em>after</em> the
initializations and <em>before</em> any other argument is processed.</p>
<p>For more explanation on Python scripts see <cite>Python Interface to Coriolis</cite>.</p>
</div>
<div class="section" id="printing-snapshots">
<h4>Printing &amp; Snapshots</h4>
<p>Printing or saving into a <span class="sc">pdf</span> is fairly simple, just use the <strong>File -&gt; Print</strong>
menu or the <span class="fboxtt">CTRL+P</span> shortcut to open the dialog box.</p>
<p>The print functionality uses exactly the same rendering mechanism as for the
screen, beeing almost <em>WYSIWYG</em>. Thus, to obtain the best results it is advisable
to select the <tt class="docutils literal">Coriolis.Printer</tt> look (in the <em>Controller</em>), which uses a
white background and well suited for high resolutions <tt class="docutils literal">32x32</tt> pixels patterns</p>
<p>There is also two modes of printing selectable through the <em>Controller</em>
<strong>Settings -&gt; Misc -&gt; Printer/Snapshot Mode</strong>:</p>
<table class="table">
<colgroup>
<col width="18%" />
<col width="20%" />
<col width="62%" />
</colgroup>
<tbody valign="top">
<tr><td>Mode</td>
<td>DPI (approx.)</td>
<td>Intended Usage</td>
</tr>
<tr><td><strong>Cell Mode</strong></td>
<td>150</td>
<td>For single <tt class="docutils literal">Cell</tt> printing or very small designs.
Patterns will be bigger and more readable.</td>
</tr>
<tr><td><strong>Design Mode</strong></td>
<td>300</td>
<td>For designs (mostly commposed of wires and cells
outlines).</td>
</tr>
</tbody>
</table>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last"><em>The pdf file size</em>
Be aware that the generated <span class="sc">pdf</span> files are indeed only pixmaps.
So they can grew very large if you select paper format above <tt class="docutils literal">A2</tt>
or similar.</p>
</div>
<p> <span class="raw-html"><p class="noindent"></p></span>
Saving into an image is subject to the same remarks as for <span class="sc">pdf</span>.</p>
</div>
<div class="section" id="memento-of-shortcuts-in-graphic-mode">
<h4>Memento of Shortcuts in Graphic Mode</h4>
<p>The main application binary is <span class="cb">cgt</span>.</p>
<table class="table">
<colgroup>
<col width="16%" />
<col width="20%" />
<col width="63%" />
</colgroup>
<thead valign="bottom">
<tr><th class="head">Category</th>
<th class="head">Keys</th>
<th class="head">Action</th>
</tr>
</thead>
<tbody valign="top">
<tr><td><strong>Moves</strong></td>
<td><div class="first last line-block">
<div class="line"><span class="fboxtt">Up</span>,
<span class="fboxtt">Down</span></div>
<div class="line"><span class="fboxtt">Left</span>,
<span class="fboxtt">Right</span></div>
</div>
</td>
<td>Shifts the view in the according direction</td>
</tr>
<tr><td><strong>Fit</strong></td>
<td><span class="fboxtt">f</span></td>
<td>Fits to the Cell abutment box</td>
</tr>
<tr><td><strong>Refresh</strong></td>
<td><span class="fboxtt">CTRL+L</span></td>
<td>Triggers a complete display redraw</td>
</tr>
<tr><td><strong>Goto</strong></td>
<td><span class="fboxtt">g</span></td>
<td><em>apperture</em> is the minimum side of the area
displayed around the point to go to. It's an
alternative way of setting the zoom level</td>
</tr>
<tr><td rowspan="2"><strong>Zoom</strong></td>
<td><span class="fboxtt">z</span>,
<span class="fboxtt">m</span></td>
<td>Respectively zoom by a 2 factor and <em>unzoom</em>
by a 2 factor</td>
</tr>
<tr><td><div class="first last line-block">
<div class="line"><img alt="BigMouse" src="../pages/images/ComputerMouse.png" style="width: 30%;" /></div>
<div class="line">Area Zoom</div>
</div>
</td>
<td>You can perform a zoom to an area.
Define the zoom area by <em>holding down the left
mouse button</em> while moving the mouse.</td>
</tr>
<tr><td rowspan="3"><strong>Selection</strong></td>
<td><div class="first last line-block">
<div class="line"><img alt="BigMouse" src="../pages/images/ComputerMouse.png" style="width: 30%;" /></div>
<div class="line">Area Selection</div>
</div>
</td>
<td>You can select displayed objects under an area.
Define the selection area by <em>holding down the
right mouse button</em> while moving the mouse.</td>
</tr>
<tr><td><div class="first last line-block">
<div class="line"><img alt="BigMouse" src="../pages/images/ComputerMouse.png" style="width: 30%;" /></div>
<div class="line">Toggle Selection</div>
</div>
</td>
<td>You can toggle the selection of one object under
the mouse position by pressing <span class="fboxtt">CTRL</span> and
pressing down <em>the right mouse button</em>. A popup
list of what's under the position shows up into
which you can toggle the selection state of one
item.</td>
</tr>
<tr><td><span class="fboxtt">S</span></td>
<td>Toggle the selection visibility</td>
</tr>
<tr><td><strong>Controller</strong></td>
<td><span class="fboxtt">CTRL+I</span></td>
<td><p class="first">Show/hide the controller window.</p>
<p class="last">It's the Swiss Army Knife of the viewer.
From it, you can fine-control the display and
inspect almost everything in your design.</p>
</td>
</tr>
<tr><td rowspan="2"><strong>Rulers</strong></td>
<td><span class="fboxtt">k</span>,
<span class="fboxtt">ESC</span></td>
<td>One stroke on <span class="fboxtt">k</span> enters the ruler mode, in
which you can draw one ruler. You can exit the
ruler mode by pressing <span class="fboxtt">ESC</span>. Once in ruler
mode, the first click on the <em>left mouse button</em>
sets the ruler's starting point and the second
click the ruler's end point. The second click
exits automatically the ruler mode.</td>
</tr>
<tr><td><span class="fboxtt">K</span></td>
<td>Clears all the drawn rulers</td>
</tr>
<tr><td><strong>Print</strong></td>
<td><span class="fboxtt">CTRL+P</span></td>
<td>Currently rather crude. It's a direct copy of
what's displayed in pixels. So the resulting
picture will be a little blurred due to
anti-aliasing mechanism.</td>
</tr>
<tr><td rowspan="3"><strong>Open/Close</strong></td>
<td><span class="fboxtt">CTRL+O</span></td>
<td>Opens a new design. The design name must be
given without path or extention.</td>
</tr>
<tr><td><span class="fboxtt">CTRL+W</span></td>
<td>Closes the current viewer window, but does not quit
the application.</td>
</tr>
<tr><td><span class="fboxtt">CTRL+Q</span></td>
<td><cite>CTRL+Q</cite> quits the application
(closing all windows).</td>
</tr>
<tr><td rowspan="2"><strong>Hierarchy</strong></td>
<td><span class="fboxtt">CTRL+Down</span></td>
<td>Goes one hierarchy level down. That is, if there
is an <em>instance</em> under the cursor position, loads
its <em>model</em> Cell in place of the current one.</td>
</tr>
<tr><td><span class="fboxtt">CTRL+Up</span></td>
<td>Goes one hierarchy level up. If we have entered
the current model through <span class="fboxtt">CTRL+Down</span>
reloads the previous model (the one
in which this model is instanciated).</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="cgt-command-line-options">
<h4>Cgt Command Line Options</h4>
<p>Appart from the obvious <tt class="docutils literal"><span class="pre">--text</span></tt> options, all can be used for text and graphical mode.</p>
<table class="table">
<colgroup>
<col width="38%" />
<col width="62%" />
</colgroup>
<thead valign="bottom">
<tr><th class="head">Arguments</th>
<th class="head">Meaning</th>
</tr>
</thead>
<tbody valign="top">
<tr><td><cite>-t|--text</cite></td>
<td>Instructs <span class="cb">cgt</span> to run in text mode.</td>
</tr>
<tr><td><cite>-L|--log-mode</cite></td>
<td>Disables the use of <span class="sc">ansi</span> escape sequence on
the <span class="cb">tty</span>. Useful when the output is
redirected to a file.</td>
</tr>
<tr><td><cite>-c &lt;cell&gt;|--cell=&lt;cell&gt;</cite></td>
<td>The name of the design to load, without
leading path or extention.</td>
</tr>
<tr><td><cite>-m &lt;val&gt;|--margin=&lt;val&gt;</cite></td>
<td>Percentage <em>val</em> of white space for the placer
(<span class="sc">Etesian</span>).</td>
</tr>
<tr><td><cite>--events-limit=&lt;count&gt;</cite></td>
<td>The maximal number of events after which the
router will stop. This is mainly a failsafe
against looping. The limit is set to 4
millions of iteration which should suffice to
any design of <cite>100K</cite>. gates. For bigger
designs you may want to increase this limit.</td>
</tr>
<tr><td><cite>-G|--global-route</cite></td>
<td>Runs the global router (<span class="sc">Katana</span>).</td>
</tr>
<tr><td><cite>-R|--detailed-route</cite></td>
<td>Runs the detailed router (<span class="sc">Katana</span>).</td>
</tr>
<tr><td><cite>-s|--save-design=&lt;routed&gt;</cite></td>
<td>The design into which the routed layout will
be saved. It is strongly recommanded to choose
a different name from the source (unrouted)
design.</td>
</tr>
<tr><td><cite>--stratus-script=&lt;module&gt;</cite></td>
<td>Run the Python/Stratus script <tt class="docutils literal">module</tt>.
See <a class="reference internal" href="#python-scripts-in-cgt">Python Scripts in Cgt</a>.</td>
</tr>
</tbody>
</table>
<p></p>
<p>Some Examples :</p>
<ul>
<li><p class="first">Run both global and detailed router, then save the routed design:</p>
<div class="highlight"><pre><span></span>&gt; cgt -v -t -G -R --cell<span class="o">=</span>design --save-design<span class="o">=</span>design_r
</pre></div>
</li>
</ul>
</div>
<div class="section" id="miscellaneous-settings">
<h4>Miscellaneous Settings</h4>
<table class="table">
<colgroup>
<col width="46%" />
<col width="21%" />
<col width="33%" />
</colgroup>
<thead valign="bottom">
<tr><th class="head">Parameter Identifier</th>
<th class="head">Type</th>
<th class="head">Default</th>
</tr>
</thead>
<tbody valign="top">
<tr><td colspan="3"><strong>Verbosity/Log Parameters</strong></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.info</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">Enables display of <em>info</em> level message
(<span class="cb">cinfo</span> stream)</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.bug</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">Enables display of <em>bug</em> level message
(<span class="cb">cbug</span> stream), messages can be a little
scarry</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.logMode</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">If enabled, assumes that the output device
is not a <tt class="docutils literal">tty</tt> and suppresses any escape
sequences</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.verboseLevel1</tt></td>
<td>TypeBool</td>
<td><span class="cb">True</span></td>
</tr>
<tr><td colspan="2">First level of verbosity, disables level 2</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.verboseLevel2</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">Second level of verbosity</td>
</tr>
<tr><td colspan="3"><strong>Development/Debug Parameters</strong></td>
</tr>
<tr><td><tt class="docutils literal">misc.minTraceLevel</tt></td>
<td>TypeInt</td>
<td><span class="cb">0</span></td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.maxTraceLevel</tt></td>
<td>TypeInt</td>
<td><span class="cb">0</span></td>
</tr>
<tr><td colspan="2">Displays trace information <em>between</em> those two
levels (<span class="cb">cdebug</span> stream)</td>
</tr>
<tr><td rowspan="2"><tt class="docutils literal">misc.catchCore</tt></td>
<td>TypeBool</td>
<td><span class="cb">False</span></td>
</tr>
<tr><td colspan="2">By default, <span class="cb">cgt</span> does not dump core.
To generate one set this flag to <span class="cb">True</span></td>
</tr>
</tbody>
</table>
<p></p>
</div>
</div>
<div class="section" id="id4">
<span id="the-controller"></span><h3><a class="toc-backref" href="#id22">The Controller</a></h3>
<p>The <em>Controller</em> window is composed of seven tabs:</p>
<ol class="arabic simple">
<li><a class="reference internal" href="#the-look-tab">The Look Tab</a> to select the display style.</li>
<li><a class="reference internal" href="#the-filter-tab">The Filter Tab</a> the hierarchical levels to be displayed, the look of
rubbers and the dimension units.</li>
<li><a class="reference internal" href="#the-layers-go-tab">The Layers&amp;Go Tab</a> to selectively hide/display layers.</li>
<li><a class="reference internal" href="#the-netlist-tab">The Netlist Tab</a> to browse through the <em>netlist</em>. Works in association
with the <em>Selection</em> tab.</li>
<li><a class="reference internal" href="#the-selection-tab">The Selection Tab</a> allows to view all the currently selected elements.</li>
<li><a class="reference internal" href="#the-inspector-tab">The Inspector Tab</a> browses through either the DataBase, the Cell or
the current selection.</li>
<li><a class="reference internal" href="#the-settings-tab">The Settings Tab</a> accesses all the tool's configuration settings.</li>
</ol>
<div class="section" id="id5">
<span id="the-look-tab"></span><h4>The Look Tab</h4>
<p>You can select how the layout will be displayed. There is a special one
<tt class="docutils literal">Printer.Coriolis</tt> specifically designed for <a class="reference internal" href="#printing-snapshots">Printing &amp; Snapshots</a>.
You should select it prior to calling the print or snapshot dialog boxes.</p>
<p> <img alt="Controller Look, Snapshot 1" class="align-middle" src="../pages/images/Controller-Look-1.png" style="width: 80%;" /> </p>
<p></p>
</div>
<div class="section" id="id6">
<span id="the-filter-tab"></span><h4>The Filter Tab</h4>
<p>The filter tab let you select what hierarchical levels of your design will be
displayed. Hierarchy level are numbered top-down: the level 0 corresponds to
the top-level cell, the level one to the instances of the top-level Cell and
so on.</p>
<p>There are also check boxes to enable/disable the processing of Terminal Cell,
Master Cells and Components. The processing of Terminal Cell (hierarchy leaf
cells) is disabled by default when you load a hierarchical design and enabled
when you load a single Cell.</p>
<p>You can choose what kind of form to give to the rubbers and the type of
unit used to display coordinates.</p>
<div class="note">
<p class="first admonition-title">Note</p>
<p><em>What are Rubbers:</em> <span class="sc">Hurricane</span> uses <em>Rubbers</em> to materialize
physical gaps in net topology. That is, if some wires are missing to
connect two or more parts of net, a <em>rubber</em> will be drawn between them
to signal the gap.</p>
<p class="last">For example, after the detailed routing no <em>rubber</em> should remain.
They have been made <em>very</em> visible as big violet lines...</p>
</div>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Filter-1.png" style="width: 80%;" /> </p>
<p></p>
</div>
<div class="section" id="id7">
<span id="the-layers-go-tab"></span><h4>The Layers&amp;Go Tab</h4>
<p>Control the individual display of all <em>layers</em> and <em>Gos</em>.</p>
<ul class="simple">
<li><em>Layers</em> correspond to true physical layers. From a <span class="sc">Hurricane</span> point of
view they are all the <em>BasicLayers</em> (could be matched to GDSII).</li>
<li><em>Gos</em> stands from <em>Graphical Objects</em>, they are drawings that have no
physical existence but are added by the various tools to display extra
information. One good exemple is the density map of the detailed router,
to easily locate congested areas.</li>
</ul>
<p>For each layer/Go there are two check boxes:</p>
<ul class="simple">
<li>The normal one triggers the display.</li>
<li>The red-outlined allows objects of that layer to be selectable or not.</li>
</ul>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-LayersGos-1.png" style="width: 80%;" /> </p>
</div>
<div class="section" id="id8">
<span id="the-netlist-tab"></span><h4>The Netlist Tab</h4>
<p>The <em>Netlist</em> tab shows the list of nets... By default the tab is not
<em>synched</em> with the displayed Cell. To see the nets you must check the
<strong>Sync Netlist</strong> checkbox. You can narrow the set of displayed nets by
using the filter pattern (supports regular expressions).</p>
<p>A very useful feature is to enable the <strong>Sync Selection</strong>, which will
automatically select all the components of the selected net(s). You can
select multiple nets. In the figure the net <tt class="docutils literal">auxsc35</tt> is selected and
is highlighted in the <em>Viewer</em>.</p>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Netlist-1.png" style="width: 80%;" />
<img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Viewer-Netlist-1.png" style="width: 80%;" /> </p>
</div>
<div class="section" id="id9">
<span id="the-selection-tab"></span><h4>The Selection Tab</h4>
<p>The <em>Selection</em> tab lists all the components currently selected. They
can be filtered thanks to the filter pattern.</p>
<p>Used in conjunction with the <em>Netlist</em> <strong>Sync Selection</strong> you will all see
all the components part of <em>net</em>.</p>
<p>In this list, you can toggle individually the selection of component by
pressing the <tt class="docutils literal">t</tt> key. When unselected in this way a component is not
removed from the the selection list but instead displayed in red italic.
To see where a component is you may make it blink by repeatedly press
the <tt class="docutils literal">t</tt> key...</p>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Selection-1.png" style="width: 80%;" /> </p>
</div>
<div class="section" id="id10">
<span id="the-inspector-tab"></span><h4>The Inspector Tab</h4>
<p>This tab is very useful, but mostly for <span class="sc">Coriolis</span> developpers. It allows
to browse through the live DataBase. The <em>Inspector</em> provides three entry points:</p>
<ul class="simple">
<li><strong>DataBase</strong>: Starts from the whole <span class="sc">Hurricane</span> DataBase.</li>
<li><strong>Cell</strong>: Inspects the currently loaded Cell.</li>
<li><strong>Selection</strong>: Inspects the object currently highlighted in the <em>Selection</em> tab.</li>
</ul>
<p>Once an entry point has been activated, you may recursively expore all
its fields using the right/left arrows.</p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last"><em>Do not put your fingers in the socket:</em> when inspecting
anything, do not modify the DataBase. If any object under inspection
is deleted, you will crash the application...</p>
</div>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last"><em>Implementation Detail:</em> the inspector support is done with
<tt class="docutils literal">Slot</tt>, <tt class="docutils literal">Record</tt> and <tt class="docutils literal">getString()</tt>.</p>
</div>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Inspector-1.png" style="width: 80%;" />
<img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Inspector-2.png" style="width: 80%;" />
<img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Inspector-3.png" style="width: 80%;" /> </p>
</div>
<div class="section" id="id11">
<span id="the-settings-tab"></span><h4>The Settings Tab</h4>
<p>Here comes the description of the <em>Settings</em> tab.</p>
<p> <img alt="Controller Basic Snapshot" class="align-middle" src="../pages/images/Controller-Settings-1.png" style="width: 80%;" /> </p>
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