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Getting Started With ACPI
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SSDTs: Easy Way
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SSDTs: Long Way
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Dumping the DSDT
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Decompiling and Compiling
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Trackpad GPI0
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Plugin type
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AWAC vs RTC
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IRQ Fix
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GPU Spoof
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Cleanup
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<!-- Title -->
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<h1>
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<a href=".." >Dumping the DSDT</a>
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<section class="normal markdown-section">
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<h1 id="getting-a-copy-of-our-dsdt">Getting a copy of our DSDT</h1>
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<p>So to start, we'll need to get a copy of your DSDT from your firmware. The easiest way is grabbing the DSDT.aml SSDTTime dumped for us earlier but here are some other options:</p>
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<ul>
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<li><a href="https://github.com/corpnewt/SSDTTime" target="_blank">SSDTTime</a><ul>
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<li>Supports both Windows and Linux for DSDT dumping</li>
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<li><code>4. Dump DSDT - Automatically dump the system DSDT</code></li>
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</ul>
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</li>
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<li><a href="https://github.com/acidanthera/MaciASL/releases" target="_blank">MaciASL</a><ul>
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<li>Open the app on the target machine(must already be running macOS) and the system's DSDT will show, then File -> SaveAs <code>System DSDT</code>. Make sure the file format is ACPI Machine Language Binary(.AML), this will require the machine to be running macOS</li>
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<li>Do note that all ACPI patches from clover/OpenCore will be applied to the DSDT</li>
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</ul>
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</li>
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<li><a href="https://acpica.org/sites/acpica/files/iasl-win-20180105.zip" target="_blank">acpidump.exe</a><ul>
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<li>In command prompt run <code>path/to/acpidump.exe -b -n DSDT -z</code>, this will dump your DSDT as a .dat file. Rename this to DSDT.aml</li>
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</ul>
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</li>
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<li>F4 in Clover Boot menu<ul>
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<li>DSDT can be found in <code>EFI/CLOVER/ACPI/origin</code>, the folder <strong>must</strong> exist before dumping</li>
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</ul>
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</li>
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<li><a href="https://github.com/khronokernel/Opencore-Vanilla-Desktop-Guide/tree/master/extra-files/acpidump.efi.zip" target="_blank"><code>acpidump.efi</code></a><ul>
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<li>Add this to <code>EFI/OC/Tools</code> and in your config under <code>Misc -> Tools</code> with the argument: <code>-b -n DSDT -z</code> and select this option in OpenCore's picker. Rename the DSDT.dat to DSDT.aml. Tool is provided by <a href="https://github.com/acpica/acpica/tree/master/source/tools/acpidump" target="_blank">acpica</a></li>
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</ul>
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</li>
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</ul>
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<p>If OpenCore is having issues running acpidump, you can call it from the shell with <a href="https://github.com/acidanthera/OpenCoreShell/releases" target="_blank">OpenCoreShell</a>(reminder to add to both <code>EFI/OC/Tools</code> and in your config under <code>Misc -> Tools</code> ):</p>
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<pre><code class="lang-text">shell> fs0: // replace with proper drive
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fs0:\> dir // to verify this is the right directory
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Directory of fs0:\
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01/01/01 3:30p EFI
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fs0:\> cd EFI\OC\Tools // note that it's with forward slashes
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fs0:\EFI\OC\Tools> acpidump.efi -b -n DSDT -z
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</code></pre>
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