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diff --git a/static/build.html b/static/build.html index 516bda77..18ac3874 100644 --- a/static/build.html +++ b/static/build.html @@ -404,6 +404,9 @@ cd ../..</pre> <p>Prebuilts are provided for all the officially supported devices, so this step is optional.</p> + <p>Instructions for 4th and 5th generation Pixels need to be rewritten for Android 13</p> + + <!-- <p>List of kernels corresponding to officially supported devices:</p> <ul> @@ -433,44 +436,22 @@ cd ../..</pre> <li>Pixel 6, Pixel 6 Pro: raviole</li> <li>Pixel 6a: raviole 12.1-bluejay branch</li> </ul> + --> - <p>As part of the hardening in GrapheneOS, it uses fully monolithic kernel builds with - dynamic kernel modules disabled. This improves the effectiveness of mitigations like - Control Flow Integrity benefiting from whole program analysis. It also reduces attack - surface and complexity including making the build system simpler. The kernel trees - marked as using a separate build above need to have the device variant passed to the - GrapheneOS kernel build script to select the device. Due to the added level of - complexity added by GKI kernels, we currently do not produce monolithic builds for - 6th generation Pixel devices.</p> - - <p>The kernel repositories use submodules for building in out-of-tree modules. - You need to make sure the submodule sources are updated before building. In - the future, this should end up being handled automatically by - <code>repo</code>. There's no harm in running the submodule commands for other - devices as they will simply not do anything.</p> - - <p>For example, to build the kernel for redfin:</p> - - <pre>cd kernel/google/redbull -git submodule sync -git submodule update --init --recursive -./build.sh redfin</pre> - - <p>For the Pixel 6 and Pixel 6 Pro, you need a separate repo source tree for - building the kernel:</p> + <p>For example, for 6th generation Pixels:</p> - <pre>mkdir kernel-raviole -cd kernel-raviole -repo init -u https://github.com/GrapheneOS/kernel_raviole-manifest.git -b 12.1 + <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 Pixel 6 and Pixel 6 Pro kernel:</p> - <pre>LTO=full BUILD_KERNEL=1 ./build_slider.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" LTO=full BUILD_KERNEL=1 ./build_slider.sh</pre> <p>To build the Pixel 6a kernel:</p> - <pre>LTO=full BUILD_KERNEL=1 ./build_bluejay.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" LTO=full BUILD_KERNEL=1 ./build_bluejay.sh</pre> <p>You need to replace the files in the GrapheneOS source tree at <code>device/google/raviole-kernel</code> with the output from your kernel |