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workflows: Add weekly U-Boot build for RB1
Resulting binaries are uploaded to fileserver as to be used in image generation jobs. Signed-off-by: Loïc Minier <[email protected]>
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‎.github/workflows/u-boot.yml‎

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name: Build U-Boot for RB1
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on:
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# run on pull requests to the main branch
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pull_request:
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branches: [main]
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# run on pushes to the main branch
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push:
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branches: [main]
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# run weekly on Monday at 8:30am
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schedule:
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- cron: '30 8 * * 1'
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# allow manual runs
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workflow_dispatch:
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# only need permission to read repository; implicitely set all other
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# permissions to none
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permissions:
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contents: read
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env:
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# where results will be posted/hosted
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FILESERVER_URL: https://quic-yocto-fileserver-1029608027416.us-central1.run.app
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# github runs are only unique per repository and may also be re-run; create a
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# build id for the current run
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BUILD_ID: ${{ github.repository }}-${{ github.run_id }}-${{ github.run_attempt }}
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# cancel in progress builds for this workflow triggered by the same ref
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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build-u-boot-rb1:
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# TODO test whether this builds on x86 too
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# XXX currently missing docker
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#runs-on: [self-hosted, x86]
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runs-on: [self-hosted, arm64, debbuilder]
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container:
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image: debian:trixie
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volumes:
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- /srv/gh-runners/quic-yocto/builds:/fileserver-builds
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steps:
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- uses: actions/checkout@v4
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with:
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fetch-depth: 0
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# make sure we have latest packages first, to get latest fixes, to avoid
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# an automated update while we're building, and to prevent version skews
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- name: Update OS packages
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run: |
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set -ux
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apt update
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apt -y upgrade
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apt -y full-upgrade
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- name: Build U-Boot Android boot image for RB1
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run: |
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set -ux
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# install build-dependencies
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apt -y install git crossbuild-essential-arm64 make bison flex bc \
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libssl-dev gnutls-dev xxd coreutils gzip mkbootimg
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scripts/build-u-boot-rb1.sh
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- name: Upload results to fileserver
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run: |
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set -ux
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# curl will be used to talk to fileserver; should be installed by
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# default
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apt -y install curl
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# create directory for results on fileserver
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dir="/fileserver-builds/${BUILD_ID}"
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mkdir -vp "${dir}"
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# copy output files
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cp -av \
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u-boot/u-boot-nodtb.bin.gz \
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u-boot/dts/upstream/src/arm64/qcom/qrb2210-rb1.dtb \
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u-boot/u-boot-nodtb.bin.gz-dtb \
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u-boot/u-boot.bin \
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u-boot/rb1-boot.img \
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"${dir}"
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# instruct fileserver to publish this directory
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url="${FILESERVER_URL}/${BUILD_ID}/"
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curl -X POST -H 'Accept: text/event-stream' "${url}"
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# save directory and URL of these results
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echo "${dir}" >u-boot-rb1.dir
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echo "${url}" >u-boot-rb1.url
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- name: Save links to build results as an artifact
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uses: actions/upload-artifact@v4
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with:
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name: u-boot-rb1-links
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path: |
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u-boot-rb1.dir
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u-boot-rb1.url
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‎scripts/build-u-boot-rb1.sh‎

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#!/bin/sh
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set -eu
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# patches in this repo/branch were submitted upstream here:
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# https://lore.kernel.org/u-boot/[email protected]/
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GIT_REPO="https://github.com/b49020/u-boot"
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GIT_BRANCH="qcom-mainline"
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CONFIG="qcom_defconfig"
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U_BOOT_DEVICE_TREE="qcom/qrb2210-rb1"
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ABOOT_BASE_ADDRESS="0x80000000"
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ABOOT_PAGE_SIZE="4096"
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ABOOT_OUTPUT="rb1-boot.img"
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log_i() {
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echo "I: $*" >&2
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}
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fatal() {
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echo "F: $*" >&2
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exit 1
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}
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# needed to clone repository
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packages="git"
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# will pull gcc-aarch64-linux-gnu; should pull a native compiler on arm64 and
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# a cross-compiler on other architectures
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packages="${packages} crossbuild-essential-arm64"
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# u-boot build-dependencies
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packages="${packages} make bison flex bc libssl-dev gnutls-dev xxd"
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# for nproc
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packages="${packages} coreutils"
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# needed to pack resulting u-boot binary into an Android boot image
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packages="${packages} gzip mkbootimg"
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log_i "Checking build-dependencies ($packages)"
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missing=""
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for pkg in ${packages}; do
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# check if package with this name is installed
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if dpkg -l "${pkg}" 2>&1 | grep -q "^ii ${pkg}"; then
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continue
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fi
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# otherwise, check if it's a virtual package and if some package providing
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# it is installed
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providers="$(apt-cache showpkg "${pkg}" |
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sed -e '1,/^Reverse Provides: *$/ d' -e 's/ .*$//' |
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sort -u)"
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provider_found="no"
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for provider in ${providers}; do
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if dpkg -l "${provider}" 2>&1 | grep -q "^ii ${provider}"; then
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provider_found="yes"
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break
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fi
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done
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if [ "${provider_found}" = yes ]; then
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continue
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fi
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missing="${missing} ${pkg}"
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done
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if [ -n "${missing}" ]; then
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fatal "Missing build-dependencies: ${missing}"
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fi
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log_i "Cloning U-Boot (${GIT_REPO}:${GIT_BRANCH})"
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git clone --depth=1 --branch "${GIT_BRANCH}" "${GIT_REPO}" u-boot
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cd u-boot
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log_i "Configuring U-Boot (${CONFIG})"
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make "${CONFIG}"
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log_i "Building U-Boot (with device tree ${U_BOOT_DEVICE_TREE})"
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make -j`nproc` DEVICE_TREE="${U_BOOT_DEVICE_TREE}"
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log_i "Creating Android boot image (${ABOOT_OUTPUT})"
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gzip u-boot-nodtb.bin
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cat u-boot-nodtb.bin.gz \
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"dts/upstream/src/arm64/${U_BOOT_DEVICE_TREE}.dtb" \
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>u-boot-nodtb.bin.gz-dtb
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mkbootimg --base "${ABOOT_BASE_ADDRESS}" \
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--pagesize "${ABOOT_PAGE_SIZE}" \
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--kernel u-boot-nodtb.bin.gz-dtb \
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--cmdline "root=/dev/notreal" \
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--ramdisk u-boot.bin \
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--output "${ABOOT_OUTPUT}"
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