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‎.github/workflows/build-3rdparty-linux.yml‎

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name: Build 3rdparty — linux
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# RISC-V Linux kernel (kernel-riscv64.bin).
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# Platform-independent — RISC-V binary regardless of build host.
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# Triggered on `lib-linux-<version>` tags. Version source of truth:
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# build-tools/3rdparty/linux/version.
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on:
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push:
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tags:
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- 'lib-linux-*'
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workflow_dispatch: {}
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permissions:
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contents: write
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jobs:
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resolve:
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runs-on: ubuntu-latest
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outputs:
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version: ${{ steps.read.outputs.version }}
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tag: ${{ steps.read.outputs.tag }}
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steps:
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- uses: actions/checkout@v4
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- id: read
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run: |
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set -euo pipefail
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V="$(tr -d '[:space:]' < build-tools/3rdparty/linux/version)"
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[ -n "$V" ] || { echo "version file is empty" >&2; exit 1; }
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if [[ "${{ github.event_name }}" == "push" ]]; then
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REF="${GITHUB_REF#refs/tags/}"
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EXPECT="lib-linux-$V"
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if [ "$REF" != "$EXPECT" ]; then
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echo "tag $REF does not match version file ($EXPECT)" >&2
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exit 1
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fi
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fi
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echo "version=$V" >> "$GITHUB_OUTPUT"
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echo "tag=lib-linux-$V" >> "$GITHUB_OUTPUT"
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build:
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needs: resolve
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: install build deps
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run: |
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sudo apt-get update -y
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sudo apt-get install -y --no-install-recommends \
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build-essential curl tar \
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gcc-riscv64-linux-gnu binutils-riscv64-linux-gnu \
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bc bison flex libssl-dev libelf-dev cpio rsync
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- name: build linux kernel tarball
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run: |
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mkdir -p out
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OUTPUT_DIR="$PWD/out" \
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CACHE_DIR="$PWD/.cache" \
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WORK_DIR="$PWD/.work" \
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bash build-tools/3rdparty/linux/_build.sh
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- uses: softprops/action-gh-release@v2
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with:
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tag_name: ${{ needs.resolve.outputs.tag }}
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files: out/linux-*.tar.gz
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fail_on_unmatched_files: true

‎.github/workflows/build-3rdparty-opensbi.yml‎

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name: Build 3rdparty — opensbi
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# RISC-V SBI firmware (opensbi-fw_jump.elf + opensbi-fw_dynamic.bin).
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# Platform-independent — RISC-V binary regardless of build host.
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# Triggered on `lib-opensbi-<version>` tags. Version source of truth:
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# build-tools/3rdparty/opensbi/version.
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on:
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push:
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tags:
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- 'lib-opensbi-*'
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workflow_dispatch: {}
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permissions:
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contents: write
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jobs:
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resolve:
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runs-on: ubuntu-latest
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outputs:
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version: ${{ steps.read.outputs.version }}
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tag: ${{ steps.read.outputs.tag }}
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steps:
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- uses: actions/checkout@v4
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- id: read
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run: |
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set -euo pipefail
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V="$(tr -d '[:space:]' < build-tools/3rdparty/opensbi/version)"
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[ -n "$V" ] || { echo "version file is empty" >&2; exit 1; }
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if [[ "${{ github.event_name }}" == "push" ]]; then
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REF="${GITHUB_REF#refs/tags/}"
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EXPECT="lib-opensbi-$V"
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if [ "$REF" != "$EXPECT" ]; then
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echo "tag $REF does not match version file ($EXPECT)" >&2
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exit 1
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fi
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fi
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echo "version=$V" >> "$GITHUB_OUTPUT"
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echo "tag=lib-opensbi-$V" >> "$GITHUB_OUTPUT"
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build:
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needs: resolve
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: install build deps
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run: |
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sudo apt-get update -y
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sudo apt-get install -y --no-install-recommends \
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build-essential curl tar \
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gcc-riscv64-linux-gnu binutils-riscv64-linux-gnu
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- name: build opensbi tarball
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run: |
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mkdir -p out
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OUTPUT_DIR="$PWD/out" \
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CACHE_DIR="$PWD/.cache" \
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WORK_DIR="$PWD/.work" \
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bash build-tools/3rdparty/opensbi/_build.sh
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- uses: softprops/action-gh-release@v2
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with:
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tag_name: ${{ needs.resolve.outputs.tag }}
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files: out/opensbi-*.tar.gz
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fail_on_unmatched_files: true

‎.github/workflows/deploy-yaafc-yemu-demo.yml‎

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name: Deploy yaafc-yemu browser demo to GitHub Pages
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# Builds the full yaafc-yemu wasm demo and publishes it to GitHub Pages
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# under the repository's Pages site. The deployed page boots a riscv64
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# Alpine VM in the visitor's browser via TinyEMU wasm, with the yaafc
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# mesh (gateway + 11 backends) launching inside that VM. No yetty
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# dependency — kernel + opensbi are built from this repo's 3rdparty
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# recipes, alpine minirootfs comes straight from dl-cdn.alpinelinux.org.
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#
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# Trigger: every push to main, plus manual dispatch. First run takes
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# ~15 minutes (linux kernel build); subsequent runs reuse the cached
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# 3rdparty tarballs.
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on:
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push:
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branches:
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- main
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paths:
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# Skip Pages deploy when only docs change.
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- 'CMakeLists.txt'
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- 'Makefile'
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- 'include/**'
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- 'src/**'
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- 'build-tools/**'
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- 'scenarios/git-yaafc/**'
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- '.github/workflows/deploy-yaafc-yemu-demo.yml'
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workflow_dispatch: {}
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# Concurrency: skip in-flight runs when a newer push arrives. Pages
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# itself only allows one in-flight deploy per env.
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concurrency:
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group: pages
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cancel-in-progress: false
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permissions:
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contents: read
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pages: write
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id-token: write
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env:
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# 64 MiB rootfs — alpine minirootfs (~8 MiB) + yaafc static binary
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# (~7 MiB) + 49 MiB free space for runtime sqlite/mdbx state. Keeps
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# the wasm asset under the 100 MiB GitHub Pages soft limit.
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DISK_MIB: 64
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jobs:
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build:
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name: build
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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# We don't depend on history (no submodules); a shallow
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# clone is enough.
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fetch-depth: 1
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- name: install build deps
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run: |
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sudo apt-get update -y
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sudo apt-get install -y --no-install-recommends \
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build-essential cmake ninja-build \
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gcc-riscv64-linux-gnu g++-riscv64-linux-gnu binutils-riscv64-linux-gnu \
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qemu-system-misc qemu-utils \
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e2fsprogs util-linux curl tar python3 \
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bc bison flex libssl-dev libelf-dev cpio rsync
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- name: install emsdk
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uses: mymindstorm/setup-emsdk@v14
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with:
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version: 3.1.74
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actions-cache-folder: 'emsdk-cache-3.1.74'
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# ----- caches -----
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# Recipe-tarball cache. Keyed on the version files of each
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# recipe so a bump invalidates exactly what changed, nothing
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# else. The user-cache (~/.cache/yaafc-3rdparty) holds source
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# tarballs (linux-7.0.tar.gz, opensbi-v1.4.tar.gz) — those
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# don't change unless the version bumps.
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- name: cache 3rdparty tarballs (~/.cache/yaafc-3rdparty)
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uses: actions/cache@v4
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with:
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path: ~/.cache/yaafc-3rdparty
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key: yaafc-3rdparty-cache-v1-${{ hashFiles('build-tools/3rdparty/*/version', 'build-tools/3rdparty/*/_build.sh', 'build-tools/3rdparty/linux/linux-kernel-*.config') }}
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restore-keys: |
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yaafc-3rdparty-cache-v1-
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# Built 3rdparty outputs (already extracted, ready to use).
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# Same cache key as above — if the user-cache hits, this hits
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# too and we skip the actual build step.
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- name: cache built 3rdparty (build-yemu-release/3rdparty + 3rdparty-cache)
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uses: actions/cache@v4
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with:
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path: |
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build-yemu-release/3rdparty
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build-yemu-release/3rdparty-cache
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key: yaafc-yemu-3rdparty-build-v1-${{ hashFiles('build-tools/3rdparty/*/version', 'build-tools/3rdparty/*/_build.sh', 'build-tools/3rdparty/linux/linux-kernel-*.config') }}
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# ----- yaafc host + cross builds -----
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- name: build yaafc host (build-desktop-release)
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run: make build-desktop-release
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- name: build yaafc riscv64 (build-linux-riscv64-release)
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run: make build-linux-riscv64-release
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- name: stage build-deploy/
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run: make build-deploy
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# ----- yemu rootfs (this triggers the local linux+opensbi recipes
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# AND fetches alpine minirootfs from alpinelinux.org) -----
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- name: bake yemu rootfs
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run: |
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# sudo on GitHub-hosted runners is passwordless for the
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# runner user — losetup + mount work without prompting.
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make build-yemu-release
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- name: shrink alpine-rootfs.img
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run: |
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# The image was created with truncate -s ${DISK_MIB} MiB; if
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# the actual content is smaller we can shrink to fit and
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# keep the deployed asset small.
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IMG=build-yemu-release/alpine-rootfs.img
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sudo e2fsck -fy "$IMG" || true
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sudo resize2fs -M "$IMG" || true
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# Truncate trailing zero pages so the wire size matches the
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# actual ext4 footprint.
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BLOCKS=$(sudo dumpe2fs -h "$IMG" 2>/dev/null \
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| awk '/Block count/ {print $3}')
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BSIZE=$(sudo dumpe2fs -h "$IMG" 2>/dev/null \
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| awk '/Block size/ {print $3}')
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SIZE=$(( BLOCKS * BSIZE ))
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echo "shrinking to ${SIZE} bytes (${BLOCKS} blocks @ ${BSIZE}B)"
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truncate -s "$SIZE" "$IMG"
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ls -lh "$IMG"
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# ----- webasm bundle -----
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- name: build wasm bundle
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run: make build-webasm-yemu-release
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- name: list deploy contents
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run: |
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du -sh build-webasm-yemu-release/
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ls -lh build-webasm-yemu-release/
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ls -lh build-webasm-yemu-release/assets/
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# ----- Pages deploy -----
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- uses: actions/configure-pages@v5
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- name: upload Pages artifact
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uses: actions/upload-pages-artifact@v3
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with:
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path: build-webasm-yemu-release
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deploy:
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name: deploy
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needs: build
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runs-on: ubuntu-latest
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environment:
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name: github-pages
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url: ${{ steps.deployment.outputs.page_url }}
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steps:
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- id: deployment
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uses: actions/deploy-pages@v4

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