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<ul><li>Reason: Spoofs SMC version to 9.9999</li> <li>Models: All models require</li></ul></li></ul></details> <h2 id="on-disk-patches"><a href="#on-disk-patches" class="header-anchor">#</a> On-Disk Patches</h2> <p>Unfortunately certain on-disk patches are required to achieve full functionality. Below is a breakdown of patches supported</p> <p>Note, GPU Acceleration Patches are not public yet, the below section is simply documentation for easier research with new aids.</p> <details class="custom-block details"><summary>Audio Patches</summary> <h3 id="extensions"><a href="#extensions" class="header-anchor">#</a> Extensions</h3> <ul><li>AppleHDA
<ul><li>Reason: Re-add High Sierra's AppleHDA to achieve audio support</li> <li>Models: 2011 and older Macs (excluding MacPro4,1+)</li></ul></li></ul></details> <details class="custom-block details"><summary>Acceleration Patches</summary> <h3 id="extensions-2"><a href="#extensions-2" class="header-anchor">#</a> Extensions</h3> <h4 id="general-patches"><a href="#general-patches" class="header-anchor">#</a> General Patches</h4> <ul><li>IOSurface.kext
<ul><li>Reason: Fixes immediate logout on login</li> <li>Logic: Downgrade to Catalina IOSurface</li> <li>Note: For AMD and Intel, additional <code>addMemoryRegion/removeMemoryRegion</code> patch added changing the first conditional jump to non conditional jump
<ul><li>At Offset <code>0xdb52</code> and <code>0xdbc6</code>, replace following bytes with <code>0xeb</code></li></ul></li></ul></li></ul> <h4 id="dropped-acceleration-binaries"><a href="#dropped-acceleration-binaries" class="header-anchor">#</a> Dropped Acceleration Binaries</h4> <ul><li><p>Nvidia Binaries</p> <ul><li>GeForceGA.bundle</li> <li>GeForceTesla.kext</li> <li>GeForceTeslaGLDriver.bundle</li> <li>GeForceTeslaVADriver.bundle</li> <li>NVDANV50HalTesla.kext</li> <li>NVDAResmanTesla.kext</li></ul></li> <li><p>AMD/ATI Binaries</p> <ul><li>AMD2400Controller.kext</li> <li>AMD2600Controller.kext</li> <li>AMD3800Controller.kext</li> <li>AMD4600Controller.kext</li> <li>AMD4800Controller.kext</li> <li>AMD5000Controller.kext</li> <li>AMD6000Controller.kext</li> <li>AMDFramebuffer.kext</li> <li>AMDLegacyFramebuffer.kext</li> <li>AMDLegacySupport.kext</li> <li>AMDRadeonVADriver.bundle</li> <li>AMDRadeonVADriver2.bundle</li> <li>AMDRadeonX3000.kext</li> <li>AMDRadeonX3000GLDriver.bundle</li> <li>AMDShared.bundle</li> <li>AMDSupport.kext</li> <li>ATIRadeonX2000.kext</li> <li>ATIRadeonX2000GA.plugin</li> <li>ATIRadeonX2000GLDriver.bundle</li> <li>ATIRadeonX2000VADriver.bundle</li></ul></li> <li><p>Intel 5th Gen Binaries</p> <ul><li>AppleIntelFramebufferAzul.kext</li> <li>AppleIntelFramebufferCapri.kext</li> <li>AppleIntelHDGraphics.kext</li> <li>AppleIntelHDGraphicsFB.kext</li> <li>AppleIntelHDGraphicsGA.plugin</li> <li>AppleIntelHDGraphicsGLDriver.bundle</li> <li>AppleIntelHDGraphicsVADriver.bundle</li></ul></li> <li><p>Intel 6th Gen Binaries</p> <ul><li>AppleIntelHD3000Graphics.kext</li> <li>AppleIntelHD3000GraphicsGA.plugin</li> <li>AppleIntelHD3000GraphicsGLDriver.bundle</li> <li>AppleIntelHD3000GraphicsVADriver.bundle</li> <li>AppleIntelSNBGraphicsFB.kext</li> <li>AppleIntelSNBVA.bundle</li></ul></li></ul> <h3 id="frameworks"><a href="#frameworks" class="header-anchor">#</a> Frameworks</h3> <ul><li>CoreDisplay.framework
<ul><li>At Offset <code>0xdb52</code> and <code>0xdbc6</code>, replace following bytes with <code>0xeb</code></li></ul></li></ul></li></ul> <h4 id="dropped-acceleration-binaries"><a href="#dropped-acceleration-binaries" class="header-anchor">#</a> Dropped Acceleration Binaries</h4> <ul><li><p>Nvidia Binaries</p> <ul><li>GeForceGA.bundle</li> <li>GeForceTesla.kext
<ul><li>Skip IOFree Panic - Mojave+
<ul><li>At Offset <code>0x5CF9A</code> replace following bytes with <code>0xEB</code></li></ul></li> <li>Avoids <code>addMemoryRegion/removeMemoryRegion</code> calls
<ul><li>At Offset <code>0x5527</code> and <code>0x77993</code>, replace following bytes with <code>0x909090909090</code></li></ul></li></ul></li> <li>GeForceTeslaGLDriver.bundle</li> <li>GeForceTeslaVADriver.bundle</li> <li>NVDANV50HalTesla.kext</li> <li>NVDAResmanTesla.kext</li></ul></li> <li><p>AMD/ATI Binaries</p> <ul><li>AMD2400Controller.kext</li> <li>AMD2600Controller.kext</li> <li>AMD3800Controller.kext</li> <li>AMD4600Controller.kext</li> <li>AMD4800Controller.kext</li> <li>AMD5000Controller.kext</li> <li>AMD6000Controller.kext</li> <li>AMDFramebuffer.kext</li> <li>AMDLegacyFramebuffer.kext</li> <li>AMDLegacySupport.kext</li> <li>AMDRadeonVADriver.bundle</li> <li>AMDRadeonVADriver2.bundle</li> <li>AMDRadeonX3000.kext</li> <li>AMDRadeonX3000GLDriver.bundle</li> <li>AMDShared.bundle</li> <li>AMDSupport.kext</li> <li>ATIRadeonX2000.kext</li> <li>ATIRadeonX2000GA.plugin</li> <li>ATIRadeonX2000GLDriver.bundle</li> <li>ATIRadeonX2000VADriver.bundle</li></ul></li> <li><p>Intel 5th Gen Binaries</p> <ul><li>AppleIntelFramebufferAzul.kext</li> <li>AppleIntelFramebufferCapri.kext</li> <li>AppleIntelHDGraphics.kext</li> <li>AppleIntelHDGraphicsFB.kext</li> <li>AppleIntelHDGraphicsGA.plugin</li> <li>AppleIntelHDGraphicsGLDriver.bundle</li> <li>AppleIntelHDGraphicsVADriver.bundle</li></ul></li> <li><p>Intel 6th Gen Binaries</p> <ul><li>AppleIntelHD3000Graphics.kext</li> <li>AppleIntelHD3000GraphicsGA.plugin</li> <li>AppleIntelHD3000GraphicsGLDriver.bundle</li> <li>AppleIntelHD3000GraphicsVADriver.bundle</li> <li>AppleIntelSNBGraphicsFB.kext</li> <li>AppleIntelSNBVA.bundle</li></ul></li></ul> <h3 id="frameworks"><a href="#frameworks" class="header-anchor">#</a> Frameworks</h3> <ul><li>CoreDisplay.framework
<ul><li>Logic: Copied from Mojave, heavy modifications/shims</li></ul></li> <li>IOSurface.framework</li> <li>OpenGL.framework
<ul><li>Logic: Copied from Mojave</li></ul></li></ul> <h3 id="privateframeworks"><a href="#privateframeworks" class="header-anchor">#</a> PrivateFrameworks</h3> <ul><li>GPUSupport.framework
<ul><li>Logic: Copied from Mojave</li></ul></li> <li>SkyLight.framework
<ul><li>Logic: Copied from Mojave, heavy modifications/shims</li></ul></li></ul> <h3 id="launchdaemons"><a href="#launchdaemons" class="header-anchor">#</a> LaunchDaemons</h3> <ul><li>HiddHack.plist
<ul><li>Reason: Fixes unresponsive input when patching Skylight</li> <li>Logic: Forces <code>hidd</code> to register events, as Skylight handles them by default in Big Sur</li></ul></li></ul></details></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/dortania/OpenCore-Legacy-Patcher/edit/main/docs/PATCHEXPLAIN.md" target="_blank" rel="noopener noreferrer">Help us improve this page!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">4/4/2021, 5:35:38 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<ul><li>Reason: Fixes unresponsive input when patching Skylight</li> <li>Logic: Forces <code>hidd</code> to register events, as Skylight handles them by default in Big Sur</li></ul></li></ul></details></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/dortania/OpenCore-Legacy-Patcher/edit/main/docs/PATCHEXPLAIN.md" target="_blank" rel="noopener noreferrer">Help us improve this page!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">4/11/2021, 1:22:17 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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