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| <section id="intel-80x86"> |
| <h1>Intel 80x86<a class="headerlink" href="#intel-80x86" title="Permalink to this heading"></a></h1> |
| <p>All x86 source reside in lower-level common, chip-specific, and architecture-specific |
| directories.</p> |
| <section id="arch-x86-src-common-directory"> |
| <h2>arch/x86/src/common/ Directory<a class="headerlink" href="#arch-x86-src-common-directory" title="Permalink to this heading"></a></h2> |
| <p>This directory holds source files common to all x86 architectures.</p> |
| </section> |
| <section id="architecture-specific-directories"> |
| <h2>Architecture-Specific Directories<a class="headerlink" href="#architecture-specific-directories" title="Permalink to this heading"></a></h2> |
| <p>Architecture-specific directories hold common source files shared for by |
| implementations of specific x86 architectures.</p> |
| <dl class="simple"> |
| <dt><code class="docutils literal notranslate"><span class="pre">i486</span></code></dt><dd><p>This directory holds logic appropriate for any instantiation of the 32-bit |
| i486 architecture.</p> |
| </dd> |
| </dl> |
| </section> |
| <section id="chip-specific-directories"> |
| <h2>Chip-Specific directories<a class="headerlink" href="#chip-specific-directories" title="Permalink to this heading"></a></h2> |
| <p>The same x86 architecture may be realized in different chip implementations. |
| For SoC chips, in particular, on-chip devices and differing interrupt |
| structures may require special, chip-specific definitions in these chip- |
| specific directories.</p> |
| <dl class="simple"> |
| <dt><code class="docutils literal notranslate"><span class="pre">qemu</span></code></dt><dd><p>This is the implementation of NuttX on the QEMU x86 simulation.</p> |
| </dd> |
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