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add proper sections for kernel build docs
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@thestinger
thestinger committed Aug 18, 2022
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Expand Up @@ -69,7 +69,14 @@ <h2><a href="#table-of-contents">Table of contents</a></h2>
</ul>
</li>
<li><a href="#updating-and-switching-branches-or-tags">Updating and switching branches or tags</a></li>
<li><a href="#kernel">Kernel</a></li>
<li>
<a href="#kernel">Kernel</a>
<ul>
<li><a href="#kernel-4th-generation-pixels">4th generation Pixels</a></li>
<li><a href="#kernel-5th-generation-pixels">5th generation Pixels</a></li>
<li><a href="#kernel-6th-generation-pixels">6th generation Pixels</a></li>
</ul>
</li>
<li><a href="#extracting-vendor-files-for-pixel-devices">Extracting vendor files for Pixel devices</a></li>
<li><a href="#setting-up-the-os-build-environment">Setting up the OS build environment</a></li>
<li><a href="#reproducible-builds">Reproducible builds</a></li>
Expand Down Expand Up @@ -395,62 +402,69 @@ <h3><a href="#kernel">Kernel</a></h3>
<p>Instructions for 4th and 5th generation Pixels need to be rewritten for
Android 13.</p>

<h4>4th generation Pixels</h4>
<section id="kernel-4th-generation-pixels">
<h4><a href="#kernel-4th-generation-pixels">4th generation Pixels</a></h4>

<pre>mkdir android/kernel/coral
<pre>mkdir android/kernel/coral
cd android/kernel/coral
repo init -u https://github.com/GrapheneOS/kernel_coral-manifest.git -b 13
repo sync -j16</pre>

<p>To build the coral kernel for the Pixel 4 and Pixel 4 XL:</p>
<p>To build the coral kernel for the Pixel 4 and Pixel 4 XL:</p>

<pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=grapheneos KBUILD_BUILD_HOST=grapheneos KBUILD_BUILD_TIMESTAMP="Thu 01 Jan 1970 12:00:00 AM UTC" BUILD_CONFIG=private/msm-google/build.config.floral build/build.sh</pre>
<pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=grapheneos KBUILD_BUILD_HOST=grapheneos KBUILD_BUILD_TIMESTAMP="Thu 01 Jan 1970 12:00:00 AM UTC" BUILD_CONFIG=private/msm-google/build.config.floral build/build.sh</pre>

<p>To build the sunfish kernel for the Pixel 4a:</p>
<p>To build the sunfish kernel for the Pixel 4a:</p>

<pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=grapheneos KBUILD_BUILD_HOST=grapheneos KBUILD_BUILD_TIMESTAMP="Thu 01 Jan 1970 12:00:00 AM UTC" BUILD_CONFIG=private/msm-google/build.config.sunfish build/build.sh</pre>
<pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=grapheneos KBUILD_BUILD_HOST=grapheneos KBUILD_BUILD_TIMESTAMP="Thu 01 Jan 1970 12:00:00 AM UTC" BUILD_CONFIG=private/msm-google/build.config.sunfish build/build.sh</pre>

<p>Replace the files in the OS source tree at
<code>device/google/coral-kernel/</code> or
<code>device/google/sunfish-kernel/</code> with your build in
<code>out/android-msm-pixel-4.14/dist/</code>.</p>
<p>Replace the files in the OS source tree at
<code>device/google/coral-kernel/</code> or
<code>device/google/sunfish-kernel/</code> with your build in
<code>out/android-msm-pixel-4.14/dist/</code>.</p>
</section>

<h4>5th generation Pixels</h4>
<section id="kernel-4th-generation-pixels">
<h4><a href="#kernel-5th-generation-pixels">5th generation Pixels</a></h4>

<p>For 5th generation Pixels:</p>
<p>For 5th generation Pixels:</p>

<pre>mkdir android/kernel/redbull
<pre>mkdir android/kernel/redbull
cd android/kernel/redbull
repo init -u https://github.com/GrapheneOS/kernel_redbull-manifest.git -b 13
repo sync -j16</pre>

<p>To build the redbull kernel for the Pixel 4a (5G), Pixel 5 and Pixel 5a kernel:</p>
<p>To build the redbull kernel for the Pixel 4a (5G), Pixel 5 and Pixel 5a
kernel:</p>

<pre>BUILD_CONFIG=private/msm-google/build.config.redbull.vintf build/build.sh</pre>
<pre>BUILD_CONFIG=private/msm-google/build.config.redbull.vintf build/build.sh</pre>

<p>Replace the files in the OS source tree at
<code>device/google/redbull-kernel/</code> with your build in
<code>out/android-msm-pixel-4.19/dist/</code>.</p>
<p>Replace the files in the OS source tree at
<code>device/google/redbull-kernel/</code> with your build in
<code>out/android-msm-pixel-4.19/dist/</code>.</p>
</section>

<h4>6th generation Pixels</h4>
<section id="kernel-4th-generation-pixels">
<h4><a href="#kernel-6th-generation-pixels">6th generation Pixels</a></h4>

<pre>mkdir android/kernel/raviole
<pre>mkdir android/kernel/raviole
cd android/kernel/raviole
repo init -u https://github.com/GrapheneOS/kernel_raviole-manifest.git -b 13
repo sync -j16</pre>

<p>To build the raviole kernel for the Pixel 6 and Pixel 6 Pro:</p>
<p>To build the raviole kernel for the Pixel 6 and Pixel 6 Pro:</p>

<pre>LTO=full BUILD_KERNEL=1 ./build_slider.sh</pre>
<pre>LTO=full BUILD_KERNEL=1 ./build_slider.sh</pre>

<p>To build the bluejay kernel for the Pixel 6a:</p>
<p>To build the bluejay kernel for the Pixel 6a:</p>

<pre>LTO=full BUILD_KERNEL=1 ./build_bluejay.sh</pre>
<pre>LTO=full BUILD_KERNEL=1 ./build_bluejay.sh</pre>

<p>Replace the files in the OS source tree at
<code>device/google/raviole-kernel/</code> or
<code>device/google/bluejay-kernel/</code> with your build in
<code>out/mixed/dist/</code>.</p>
<p>Replace the files in the OS source tree at
<code>device/google/raviole-kernel/</code> or
<code>device/google/bluejay-kernel/</code> with your build in
<code>out/mixed/dist/</code>.</p>
</section>
</section>

<section id="extracting-vendor-files-for-pixel-devices">
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