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<li class="toctree-l2"><a class="reference internal" href="ex_build_sbl_for_qemu.html">Exercise \- Build SBL for QEMU</a></li>
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<li class="toctree-l2"><a class="reference internal" href="ex_run_sbl_on_qemu.html">Exercise \- Run SBL on QEMU</a></li>
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<li class="toctree-l2"><a class="reference internal" href="ex_debug_sbl_on_qemu_with_gdb.html">Exercise \- Debug SBL on QEMU with GDB</a></li>
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<li class="toctree-l2"><a class="reference internal" href="ex_feature_custom_splash.html">Exercise \- Feature Customization - Splash</a></li>
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<section id="exercise-sbl-shell-cli">
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<span id="exercisesblshellcli"></span><h1>Exercise \- SBL Shell/CLI<a class="headerlink" href="#exercise-sbl-shell-cli" title="Permalink to this heading"></a></h1>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p><strong>In this exercise, we’ll learn how to execute SBL Shell Commands.</strong></p>
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<ul class="simple">
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<li><p>Used <code class="docutils literal notranslate"><span class="pre">help<ENTER></span></code> to list the available commands</p></li>
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</ul>
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</div>
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<p>You can execute SBL with the following steps:</p>
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<ol class="arabic simple">
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<li><p>Working on Command Prompt</p></li>
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<li><p>Execute cmd on Shell by type-in:</p></li>
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</ol>
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<blockquote>
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<div><table class="docutils align-default">
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<tbody>
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<tr class="row-odd"><td><p><strong>exit</strong></p></td>
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<td><p>\- Exit the shell</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>help</strong></p></td>
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<td><p>\- List supported commands</p></td>
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</tr>
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<tr class="row-odd"><td><p><strong>hob</strong></p></td>
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<td><p>\- List HOBs</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>mem</strong></p></td>
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<td><p>\- Read or write system memory</p></td>
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</tr>
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<tr class="row-odd"><td><p><strong>mmap</strong></p></td>
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<td><p>\- Display memory map</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>perf</strong></p></td>
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<td><p>\- Display performance data</p></td>
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</tr>
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<tr class="row-odd"><td><p><strong>boot</strong></p></td>
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<td><p>\- Print or modify the OS boot option list</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>cpuid</strong></p></td>
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<td><p>\- Read CPU specific information</p></td>
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</tr>
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<tr class="row-odd"><td><p><strong>io</strong></p></td>
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<td><p>\- Read or write I/O ports</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>msr</strong></p></td>
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<td><p>\- Read or write model specific registers</p></td>
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</tr>
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<tr class="row-odd"><td><p><strong>mtrr</strong></p></td>
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<td><p>\- Display current MTRR configuration</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>pci</strong></p></td>
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<td><p>\- Display PCI devices (example)</p></td>
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</tr>
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<tr class="row-odd"><td><p><strong>reset</strong></p></td>
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<td><p>\- Reset the system</p></td>
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</tr>
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<tr class="row-even"><td><p><strong>ucode</strong></p></td>
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<td><p>\- Display microcode version</p></td>
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</tr>
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</tbody>
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</table>
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</div></blockquote>
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<p><strong>Example</strong>:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">pci</span> <span class="o">-</span> <span class="n">Display</span> <span class="n">PCI</span> <span class="n">devices</span>
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</pre></div>
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</div>
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<img alt="Compile completed" class="align-center" src="../_images/ex3.jpg" />
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<div class="admonition tip">
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<p class="admonition-title">Tip</p>
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<p>Exit Shell by close QEMU</p>
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</div>
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<p>© Copyright 2018 - 2024, Intel Corporation.
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<span class="lastupdated">Last updated on Jun 07, 2024.
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