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<div class="section" id="contributing-to-skiboot">
<span id="contributing-to-skiboot"></span><h1>Contributing to skiboot<a class="headerlink" href="#contributing-to-skiboot" title="Permalink to this headline">¶</a></h1>
<p>skiboot is OPAL (OpenPOWER Abstraction Layer) boot and runtime firmware for
POWER.</p>
<p>If you haven’t already, join us on IRC (#openpower on Freenode) and on
the mailing list ( skiboot@lists.ozlabs.org - subscribe by
going to https://lists.ozlabs.org/listinfo/skiboot )</p>
<p>While we do use GitHub Issues, patches are accepted via the mailing list.
We expect participants to adhere to the GitHub Community Guidelines (found
at https://help.github.com/articles/github-community-guidelines/ ).</p>
<p>All contributions should have a Developer Certificate of Origin (see below).</p>
<div class="section" id="development-environment">
<span id="development-environment"></span><h2>Development Environment<a class="headerlink" href="#development-environment" title="Permalink to this headline">¶</a></h2>
<p>A host GCC of at least 4.9 is recommended (all modern Linux distributions
provide this).</p>
<p>You can build on x86-64, ppc64 or ppc64le, you just need a powerpc64 (BE)
cross compiler. The powerpc64le cross compilers packaged in Linux distributions
can build BE code, so they are fine.</p>
</div>
<div class="section" id="developer-certificate-of-origin">
<span id="developer-certificate-of-origin"></span><h2>Developer Certificate of Origin<a class="headerlink" href="#developer-certificate-of-origin" title="Permalink to this headline">¶</a></h2>
<p>Contributions to this project should conform to the <code class="docutils literal notranslate"><span class="pre">Developer</span> <span class="pre">Certificate</span> <span class="pre">of</span> <span class="pre">Origin</span></code> as defined at http://elinux.org/Developer_Certificate_Of_Origin.
Commits to this project need to contain the following line to indicate
the submitter accepts the DCO:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Signed</span><span class="o">-</span><span class="n">off</span><span class="o">-</span><span class="n">by</span><span class="p">:</span> <span class="n">Your</span> <span class="n">Name</span> <span class="o"><</span><span class="n">your_email</span><span class="nd">@domain</span><span class="o">.</span><span class="n">com</span><span class="o">></span>
</pre></div>
</div>
<p>By contributing in this way, you agree to the terms as follows:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Developer</span> <span class="n">Certificate</span> <span class="n">of</span> <span class="n">Origin</span>
<span class="n">Version</span> <span class="mf">1.1</span>
<span class="n">Copyright</span> <span class="p">(</span><span class="n">C</span><span class="p">)</span> <span class="mi">2004</span><span class="p">,</span> <span class="mi">2006</span> <span class="n">The</span> <span class="n">Linux</span> <span class="n">Foundation</span> <span class="ow">and</span> <span class="n">its</span> <span class="n">contributors</span><span class="o">.</span>
<span class="mi">660</span> <span class="n">York</span> <span class="n">Street</span><span class="p">,</span> <span class="n">Suite</span> <span class="mi">102</span><span class="p">,</span>
<span class="n">San</span> <span class="n">Francisco</span><span class="p">,</span> <span class="n">CA</span> <span class="mi">94110</span> <span class="n">USA</span>
<span class="n">Everyone</span> <span class="ow">is</span> <span class="n">permitted</span> <span class="n">to</span> <span class="n">copy</span> <span class="ow">and</span> <span class="n">distribute</span> <span class="n">verbatim</span> <span class="n">copies</span> <span class="n">of</span> <span class="n">this</span>
<span class="n">license</span> <span class="n">document</span><span class="p">,</span> <span class="n">but</span> <span class="n">changing</span> <span class="n">it</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">allowed</span><span class="o">.</span>
<span class="n">Developer</span><span class="s1">'s Certificate of Origin 1.1</span>
<span class="n">By</span> <span class="n">making</span> <span class="n">a</span> <span class="n">contribution</span> <span class="n">to</span> <span class="n">this</span> <span class="n">project</span><span class="p">,</span> <span class="n">I</span> <span class="n">certify</span> <span class="n">that</span><span class="p">:</span>
<span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="n">The</span> <span class="n">contribution</span> <span class="n">was</span> <span class="n">created</span> <span class="ow">in</span> <span class="n">whole</span> <span class="ow">or</span> <span class="ow">in</span> <span class="n">part</span> <span class="n">by</span> <span class="n">me</span> <span class="ow">and</span> <span class="n">I</span>
<span class="n">have</span> <span class="n">the</span> <span class="n">right</span> <span class="n">to</span> <span class="n">submit</span> <span class="n">it</span> <span class="n">under</span> <span class="n">the</span> <span class="nb">open</span> <span class="n">source</span> <span class="n">license</span>
<span class="n">indicated</span> <span class="ow">in</span> <span class="n">the</span> <span class="n">file</span><span class="p">;</span> <span class="ow">or</span>
<span class="p">(</span><span class="n">b</span><span class="p">)</span> <span class="n">The</span> <span class="n">contribution</span> <span class="ow">is</span> <span class="n">based</span> <span class="n">upon</span> <span class="n">previous</span> <span class="n">work</span> <span class="n">that</span><span class="p">,</span> <span class="n">to</span> <span class="n">the</span> <span class="n">best</span>
<span class="n">of</span> <span class="n">my</span> <span class="n">knowledge</span><span class="p">,</span> <span class="ow">is</span> <span class="n">covered</span> <span class="n">under</span> <span class="n">an</span> <span class="n">appropriate</span> <span class="nb">open</span> <span class="n">source</span>
<span class="n">license</span> <span class="ow">and</span> <span class="n">I</span> <span class="n">have</span> <span class="n">the</span> <span class="n">right</span> <span class="n">under</span> <span class="n">that</span> <span class="n">license</span> <span class="n">to</span> <span class="n">submit</span> <span class="n">that</span>
<span class="n">work</span> <span class="k">with</span> <span class="n">modifications</span><span class="p">,</span> <span class="n">whether</span> <span class="n">created</span> <span class="ow">in</span> <span class="n">whole</span> <span class="ow">or</span> <span class="ow">in</span> <span class="n">part</span>
<span class="n">by</span> <span class="n">me</span><span class="p">,</span> <span class="n">under</span> <span class="n">the</span> <span class="n">same</span> <span class="nb">open</span> <span class="n">source</span> <span class="n">license</span> <span class="p">(</span><span class="n">unless</span> <span class="n">I</span> <span class="n">am</span>
<span class="n">permitted</span> <span class="n">to</span> <span class="n">submit</span> <span class="n">under</span> <span class="n">a</span> <span class="n">different</span> <span class="n">license</span><span class="p">),</span> <span class="k">as</span> <span class="n">indicated</span>
<span class="ow">in</span> <span class="n">the</span> <span class="n">file</span><span class="p">;</span> <span class="ow">or</span>
<span class="p">(</span><span class="n">c</span><span class="p">)</span> <span class="n">The</span> <span class="n">contribution</span> <span class="n">was</span> <span class="n">provided</span> <span class="n">directly</span> <span class="n">to</span> <span class="n">me</span> <span class="n">by</span> <span class="n">some</span> <span class="n">other</span>
<span class="n">person</span> <span class="n">who</span> <span class="n">certified</span> <span class="p">(</span><span class="n">a</span><span class="p">),</span> <span class="p">(</span><span class="n">b</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">c</span><span class="p">)</span> <span class="ow">and</span> <span class="n">I</span> <span class="n">have</span> <span class="ow">not</span> <span class="n">modified</span>
<span class="n">it</span><span class="o">.</span>
<span class="p">(</span><span class="n">d</span><span class="p">)</span> <span class="n">I</span> <span class="n">understand</span> <span class="ow">and</span> <span class="n">agree</span> <span class="n">that</span> <span class="n">this</span> <span class="n">project</span> <span class="ow">and</span> <span class="n">the</span> <span class="n">contribution</span>
<span class="n">are</span> <span class="n">public</span> <span class="ow">and</span> <span class="n">that</span> <span class="n">a</span> <span class="n">record</span> <span class="n">of</span> <span class="n">the</span> <span class="n">contribution</span> <span class="p">(</span><span class="n">including</span> <span class="nb">all</span>
<span class="n">personal</span> <span class="n">information</span> <span class="n">I</span> <span class="n">submit</span> <span class="k">with</span> <span class="n">it</span><span class="p">,</span> <span class="n">including</span> <span class="n">my</span> <span class="n">sign</span><span class="o">-</span><span class="n">off</span><span class="p">)</span> <span class="ow">is</span>
<span class="n">maintained</span> <span class="n">indefinitely</span> <span class="ow">and</span> <span class="n">may</span> <span class="n">be</span> <span class="n">redistributed</span> <span class="n">consistent</span> <span class="k">with</span>
<span class="n">this</span> <span class="n">project</span> <span class="ow">or</span> <span class="n">the</span> <span class="nb">open</span> <span class="n">source</span> <span class="n">license</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="n">involved</span><span class="o">.</span>
</pre></div>
</div>
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<li><a class="reference internal" href="#">Contributing to skiboot</a><ul>
<li><a class="reference internal" href="#development-environment">Development Environment</a></li>
<li><a class="reference internal" href="#developer-certificate-of-origin">Developer Certificate of Origin</a></li>
</ul>
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<p class="topless"><a href="dev-release-process.html"
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