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diff --git a/static/build.html b/static/build.html index 47af064d..c57b4199 100644 --- a/static/build.html +++ b/static/build.html @@ -70,15 +70,6 @@ </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> - <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> - <li><a href="#kernel-7th-generation-pixels">7th 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> @@ -103,6 +94,15 @@ <li> <a href="#prebuilt-code">Prebuilt code</a> <ul> + <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> + <li><a href="#kernel-7th-generation-pixels">7th generation Pixels</a></li> + </ul> + </li> <li><a href="#browser-and-webview">Browser and WebView</a></li> <li><a href="#prebuilt-apps">Prebuilt apps</a></li> </ul> @@ -257,21 +257,6 @@ a fully self-contained build process with minimal external dependencies is gradual and there are still dependencies that need to be installed on the host system.</p> - <p>The Linux kernel build process is not integrated into the rest of the AOSP build - process, but does reuse the same prebuilts to make the build reproducible.</p> - - <p>Additional Linux kernel build dependencies not provided by the source tree:</p> - - <ul> - <li>libgcc (for the host, not the target)</li> - <li>binutils (for the host, not the target)</li> - </ul> - - <p>The dependency on the host libgcc and binutils for building utilities during the - build process will be phased out by moving to a pure LLVM-based toolchain alongside - doing it for the target. This is lagging a bit behind for the kernel, particularly - code built for the host.</p> - <p>Additional Android Open Source Project build dependencies not provided by the source tree:</p> @@ -391,108 +376,6 @@ cd ../..</pre> GrapheneOS only provides a stable history via tags.</p> </section> - <section id="kernel"> - <h3><a href="#kernel">Kernel</a></h3> - - <p>The kernel needs to be built in advance, since it uses a separate build system.</p> - - <p>Prebuilts are provided for all the officially supported devices, so this step - is optional.</p> - - <section id="kernel-4th-generation-pixels"> - <h4><a href="#kernel-4th-generation-pixels">4th generation Pixels</a></h4> - - <pre>mkdir -p android/kernel/coral -cd android/kernel/coral -repo init -u https://github.com/GrapheneOS/kernel_manifest-coral.git -b 13 -repo sync -j16</pre> - - <p>To build the coral kernel for the Pixel 4 and Pixel 4 XL:</p> - - <pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=build-user KBUILD_BUILD_HOST=build-host 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> - - <pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=build-user KBUILD_BUILD_HOST=build-host 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> - </section> - - <section id="kernel-5th-generation-pixels"> - <h4><a href="#kernel-5th-generation-pixels">5th generation Pixels</a></h4> - - <p>For 5th generation Pixels:</p> - - <pre>mkdir -p android/kernel/redbull -cd android/kernel/redbull -repo init -u https://github.com/GrapheneOS/kernel_manifest-redbull.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> - - <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> (userdebug/eng) and - <code>device/google/redbull-kernel/vintf/</code> (user) with your build in - <code>out/android-msm-pixel-4.19/dist/</code>.</p> - </section> - - <section id="kernel-6th-generation-pixels"> - <h4><a href="#kernel-6th-generation-pixels">6th generation Pixels</a></h4> - - <p>To sync the raviole kernel for the Pixel 6 and Pixel 6 Pro:</p> - - <pre>mkdir -p android/kernel/raviole -cd android/kernel/raviole -repo init -u https://github.com/GrapheneOS/kernel_manifest-raviole.git -b 13 -repo sync -j16</pre> - - <p>To sync the bluejay kernel for the Pixel 6a:</p> - - <pre>mkdir -p android/kernel/bluejay -cd android/kernel/bluejay -repo init -u https://github.com/GrapheneOS/kernel_manifest-bluejay.git -b 13 -repo sync -j16</pre> - - <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> - - <p>To build the bluejay kernel for the Pixel 6a:</p> - - <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> - </section> - - <section id="kernel-7th-generation-pixels"> - <h4><a href="#kernel-7th-generation-pixels">7th generation Pixels</a></h4> - - <p>To sync the pantah kernel for the Pixel 7 and Pixel 7 Pro:</p> - - <pre>mkdir -p android/kernel/pantah -cd android/kernel/pantah -repo init -u https://github.com/GrapheneOS/kernel_manifest-pantah.git -b 13 -repo sync -j16</pre> - - <p>To build the pantah kernel for the Pixel 7 and Pixel 7 Pro:</p> - - <pre>LTO=full BUILD_AOSP_KERNEL=1 ./build_cloudripper.sh</pre> - - <p>Replace the files in the OS source tree at - <code>device/google/pantah-kernel/</code> with your build in - <code>out/mixed/dist/</code>.</p> - </section> - </section> - <section id="extracting-vendor-files-for-pixel-devices"> <h3><a href="#extracting-vendor-files-for-pixel-devices">Extracting vendor files for Pixel devices</a></h3> @@ -816,6 +699,123 @@ cd ../..</pre> separately and then bundled into the source tree as binaries. This section will be gradually expanded to cover building all of it.</p> + <section id="kernel"> + <h3><a href="#kernel">Kernel</a></h3> + + <p>The Linux kernel is built separately using an AOSP kernel build system + wrapping the upstream Linux kernel build system. Since it's a separate build + system from the rest of the OS, the kernels are built separately. Many of the + repositories are shared with the rest of the OS including the repositories + providing the prebuilt toolchain for reproducible builds not depending on the + tools from the host OS.</p> + + <p>Additional Linux kernel build dependencies beyond the AOSP dependencies not + provided by the source tree:</p> + + <ul> + <li>libgcc (for the host, not the target)</li> + <li>binutils (for the host, not the target)</li> + </ul> + + <p>The dependency on the host libgcc and binutils for building utilities during the + build process will be phased out by moving to a pure LLVM-based toolchain alongside + doing it for the target. This is lagging a bit behind for the kernel, particularly + code built for the host.</p> + + <section id="kernel-4th-generation-pixels"> + <h4><a href="#kernel-4th-generation-pixels">4th generation Pixels</a></h4> + + <pre>mkdir -p android/kernel/coral +cd android/kernel/coral +repo init -u https://github.com/GrapheneOS/kernel_manifest-coral.git -b 13 +repo sync -j16</pre> + + <p>To build the coral kernel for the Pixel 4 and Pixel 4 XL:</p> + + <pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=build-user KBUILD_BUILD_HOST=build-host 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> + + <pre>KBUILD_BUILD_VERSION=1 KBUILD_BUILD_USER=build-user KBUILD_BUILD_HOST=build-host 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> + </section> + + <section id="kernel-5th-generation-pixels"> + <h4><a href="#kernel-5th-generation-pixels">5th generation Pixels</a></h4> + + <p>For 5th generation Pixels:</p> + + <pre>mkdir -p android/kernel/redbull +cd android/kernel/redbull +repo init -u https://github.com/GrapheneOS/kernel_manifest-redbull.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> + + <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> (userdebug/eng) and + <code>device/google/redbull-kernel/vintf/</code> (user) with your build in + <code>out/android-msm-pixel-4.19/dist/</code>.</p> + </section> + + <section id="kernel-6th-generation-pixels"> + <h4><a href="#kernel-6th-generation-pixels">6th generation Pixels</a></h4> + + <p>To sync the raviole kernel for the Pixel 6 and Pixel 6 Pro:</p> + + <pre>mkdir -p android/kernel/raviole +cd android/kernel/raviole +repo init -u https://github.com/GrapheneOS/kernel_manifest-raviole.git -b 13 +repo sync -j16</pre> + + <p>To sync the bluejay kernel for the Pixel 6a:</p> + + <pre>mkdir -p android/kernel/bluejay +cd android/kernel/bluejay +repo init -u https://github.com/GrapheneOS/kernel_manifest-bluejay.git -b 13 +repo sync -j16</pre> + + <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> + + <p>To build the bluejay kernel for the Pixel 6a:</p> + + <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> + </section> + + <section id="kernel-7th-generation-pixels"> + <h4><a href="#kernel-7th-generation-pixels">7th generation Pixels</a></h4> + + <p>To sync the pantah kernel for the Pixel 7 and Pixel 7 Pro:</p> + + <pre>mkdir -p android/kernel/pantah +cd android/kernel/pantah +repo init -u https://github.com/GrapheneOS/kernel_manifest-pantah.git -b 13 +repo sync -j16</pre> + + <p>To build the pantah kernel for the Pixel 7 and Pixel 7 Pro:</p> + + <pre>LTO=full BUILD_AOSP_KERNEL=1 ./build_cloudripper.sh</pre> + + <p>Replace the files in the OS source tree at + <code>device/google/pantah-kernel/</code> with your build in + <code>out/mixed/dist/</code>.</p> + </section> + </section> + <section id="browser-and-webview"> <h3><a href="#browser-and-webview">Browser and WebView</a></h3> |