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move vendor file extraction before env setup

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Daniel Micay 2022-02-19 09:24:40 -05:00
parent e5e3577751
commit 41a7027d92
1 changed files with 48 additions and 48 deletions
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@ -70,8 +70,6 @@
</li> </li>
<li><a href="#updating-and-switching-branches-or-tags">Updating and switching branches or tags</a></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></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>
<li> <li>
<a href="#extracting-vendor-files-for-pixel-devices">Extracting vendor files for Pixel devices</a> <a href="#extracting-vendor-files-for-pixel-devices">Extracting vendor files for Pixel devices</a>
<ul> <ul>
@ -79,6 +77,8 @@
<li><a href="#extracting-vendor-files-for-pixel-6-and-later">Pixel 6 and later</a></li> <li><a href="#extracting-vendor-files-for-pixel-6-and-later">Pixel 6 and later</a></li>
</ul> </ul>
</li> </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>
<li><a href="#building">Building</a></li> <li><a href="#building">Building</a></li>
<li><a href="#faster-builds-for-development-use-only">Faster builds for development use only</a></li> <li><a href="#faster-builds-for-development-use-only">Faster builds for development use only</a></li>
<li> <li>
@ -468,6 +468,52 @@ repo sync -j16</pre>
build at <code>out/mixed/dist</code> in the kernel-raviole source tree.</p> build at <code>out/mixed/dist</code> in the kernel-raviole source tree.</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>
<p>This section is specific to Pixel devices. The emulator and generic targets don't
require extra vendor files.</p>
<p>Many of these components are already open source, but not everything is set up to
be built by the Android Open Source Project build system. Switching to building these
components from source will be an incremental effort. In many cases, the vendor files
simply need to be ignored and AOSP will already provide them instead. Firmware cannot
generally be built from source even when sources are available, other than to verify
that the official builds match the sources, since it has signature verification (which
is an important part of the verified boot and attestation security model).</p>
<section id="extracting-vendor-files-for-pixel-5-and-earlier">
<h4><a href="#extracting-vendor-files-for-pixel-5-and-earlier">Pixel 5 and earlier</a></h4>
<p>Extract the vendor files corresponding to the matching release with
<code>DEVICE</code> and <code>BUILD_ID</code> replaced with the
appropriate values:</p>
<pre>vendor/android-prepare-vendor/execute-all.sh -d DEVICE -b BUILD_ID -o vendor/android-prepare-vendor
mkdir -p vendor/google_devices
rm -rf vendor/google_devices/DEVICE
mv vendor/android-prepare-vendor/DEVICE/BUILD_ID/vendor/google_devices/* vendor/google_devices/</pre>
</section>
<section id="extracting-vendor-files-for-pixel-6-and-later">
<h4><a href="#extracting-vendor-files-for-pixel-6-and-later">Pixel 6 and later</a></h4>
<p>Starting with the Pixel 6, newer generation devices use the adevtool project to
extract files from the stock operating system.
</p>
<pre>cd vendor/adevtool/ &amp;&amp; yarn install &amp;&amp; cd ../..
vendor/adevtool/mountimages.bash DEVICE BUILD_ID
sudo vendor/adevtool/bin/run generate-all vendor/adevtool/config/DEVICE.yml -c vendor/state/DEVICE.json -f vendor/adevtool/dl/DEVICE-BUILD_ID-*.zip -s vendor/adevtool/dl/DEVICE-BUILD_ID/mount/</pre>
<p>OTA firmware extraction is currently a work-in-progress on adevtool.
android-prepare-vendor is being temporarily used to make the process easier.</p>
<pre>vendor/android-prepare-vendor/execute-all.sh -d DEVICE -b BUILD_ID -o vendor/android-prepare-vendor
cp -r vendor/android-prepare-vendor/DEVICE/BUILD_ID/vendor/google_devices/DEVICE/radio/* vendor/google_devices/DEVICE/firmware/</pre>
</section>
</section>
<section id="setting-up-the-os-build-environment"> <section id="setting-up-the-os-build-environment">
<h3><a href="#setting-up-the-os-build-environment">Setting up the OS build environment</a></h3> <h3><a href="#setting-up-the-os-build-environment">Setting up the OS build environment</a></h3>
@ -522,52 +568,6 @@ repo sync -j16</pre>
update server.</p> update server.</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>
<p>This section is specific to Pixel devices. The emulator and generic targets don't
require extra vendor files.</p>
<p>Many of these components are already open source, but not everything is set up to
be built by the Android Open Source Project build system. Switching to building these
components from source will be an incremental effort. In many cases, the vendor files
simply need to be ignored and AOSP will already provide them instead. Firmware cannot
generally be built from source even when sources are available, other than to verify
that the official builds match the sources, since it has signature verification (which
is an important part of the verified boot and attestation security model).</p>
<section id="extracting-vendor-files-for-pixel-5-and-earlier">
<h4><a href="#extracting-vendor-files-for-pixel-5-and-earlier">Pixel 5 and earlier</a></h4>
<p>Extract the vendor files corresponding to the matching release with
<code>DEVICE</code> and <code>BUILD_ID</code> replaced with the
appropriate values:</p>
<pre>vendor/android-prepare-vendor/execute-all.sh -d DEVICE -b BUILD_ID -o vendor/android-prepare-vendor
mkdir -p vendor/google_devices
rm -rf vendor/google_devices/DEVICE
mv vendor/android-prepare-vendor/DEVICE/BUILD_ID/vendor/google_devices/* vendor/google_devices/</pre>
</section>
<section id="extracting-vendor-files-for-pixel-6-and-later">
<h4><a href="#extracting-vendor-files-for-pixel-6-and-later">Pixel 6 and later</a></h4>
<p>Starting with the Pixel 6, newer generation devices use the adevtool project to
extract files from the stock operating system.
</p>
<pre>cd vendor/adevtool/ &amp;&amp; yarn install &amp;&amp; cd ../..
vendor/adevtool/mountimages.bash DEVICE BUILD_ID
sudo vendor/adevtool/bin/run generate-all vendor/adevtool/config/DEVICE.yml -c vendor/state/DEVICE.json -f vendor/adevtool/dl/DEVICE-BUILD_ID-*.zip -s vendor/adevtool/dl/DEVICE-BUILD_ID/mount/</pre>
<p>OTA firmware extraction is currently a work-in-progress on adevtool.
android-prepare-vendor is being temporarily used to make the process easier.</p>
<pre>vendor/android-prepare-vendor/execute-all.sh -d DEVICE -b BUILD_ID -o vendor/android-prepare-vendor
cp -r vendor/android-prepare-vendor/DEVICE/BUILD_ID/vendor/google_devices/DEVICE/radio/* vendor/google_devices/DEVICE/firmware/</pre>
</section>
</section>
<section id="building"> <section id="building">
<h3><a href="#building">Building</a></h3> <h3><a href="#building">Building</a></h3>