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armv7 #52

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b5ccd8c
build(gadget): add armv7 cross-build target
samcday May 14, 2026
84d69b5
ci: build static armv7 gadget binaries
samcday May 14, 2026
cacd97c
ci: build armv7 without io-uring bindgen
samcday May 14, 2026
5b069d5
build(gadget): replace ublk bindgen bindings
samcday May 14, 2026
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5 changes: 5 additions & 0 deletions .cargo/config.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,18 @@ rustflags = ["--cfg=web_sys_unstable_apis"]

[alias]
gadget-musl-aarch64 = ["build", "-p", "smoo-gadget-cli", "--release", "--target", "aarch64-unknown-linux-musl"]
gadget-musl-armv7 = ["build", "-p", "smoo-gadget-cli", "--release", "--target", "armv7-unknown-linux-musleabihf"]
gadget-musl-x86_64 = ["build", "-p", "smoo-gadget-cli", "--release", "--target", "x86_64-unknown-linux-musl"]
xtask = ["run", "--quiet", "--package", "xtask", "--"]

[target.aarch64-unknown-linux-musl]
linker = "rust-lld"
rustflags = ["-C", "target-feature=+crt-static"]

[target.armv7-unknown-linux-musleabihf]
linker = "rust-lld"
rustflags = ["-C", "target-feature=+crt-static", "--cfg=io_uring_skip_arch_check"]

[target.x86_64-unknown-linux-musl]
linker = "rust-lld"
rustflags = ["-C", "target-feature=+crt-static"]
41 changes: 37 additions & 4 deletions .github/workflows/build.yml
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Expand Up @@ -53,9 +53,24 @@ jobs:
- name: x86_64
runner: ubuntu-24.04
target: x86_64-unknown-linux-musl
build_args: "--bins"
extra_packages: ""
rustflags: ""
upload_host: true
- name: aarch64
runner: ubuntu-24.04-arm
target: aarch64-unknown-linux-musl
build_args: "--bins"
extra_packages: ""
rustflags: ""
upload_host: true
- name: armv7
runner: ubuntu-24.04
target: armv7-unknown-linux-musleabihf
build_args: "-p smoo-gadget-cli"
extra_packages: ""
rustflags: "--cfg=io_uring_skip_arch_check"
upload_host: false

steps:
- uses: actions/checkout@v4
Expand All @@ -68,7 +83,7 @@ jobs:
- name: Install musl toolchain
run: |
sudo apt-get update
sudo apt-get install -y musl-tools linux-libc-dev
sudo apt-get install -y musl-tools linux-libc-dev ${{ matrix.extra_packages }}

- name: Set up musl kernel headers
run: |
Expand All @@ -80,12 +95,18 @@ jobs:
sudo ln -sf /usr/include/$(uname -m)-linux-gnu/asm /usr/include/$(uname -m)-linux-musl/asm
elif [ -d /usr/include/asm ]; then
sudo ln -sf /usr/include/asm /usr/include/$(uname -m)-linux-musl/asm
else
sudo ln -sf /usr/include/asm-generic /usr/include/$(uname -m)-linux-musl/asm
sudo ln -sf /usr/include/asm-generic /usr/include/asm
fi

- name: Build (static musl)
env:
RUSTFLAGS: "-D warnings ${{ matrix.rustflags }}"
run: |
cargo build \
--bins \
${{ matrix.build_args }} \
--locked \
--release \
--target ${{ matrix.target }}

Expand All @@ -96,22 +117,34 @@ jobs:
path: target/${{ matrix.target }}/release/smoo-gadget

- name: Upload smoo-host artifact
if: matrix.upload_host
uses: actions/upload-artifact@v4
with:
name: smoo-host-${{ matrix.name }}
path: target/${{ matrix.target }}/release/smoo-host

- name: Prepare release binaries
- name: Prepare smoo-gadget release binary
if: github.event_name == 'release'
run: |
cp target/${{ matrix.target }}/release/smoo-gadget smoo-gadget-${{ matrix.name }}

- name: Prepare smoo-host release binary
if: github.event_name == 'release' && matrix.upload_host
run: |
cp target/${{ matrix.target }}/release/smoo-host smoo-host-${{ matrix.name }}

- name: Upload binaries to release
- name: Upload smoo-gadget binary to release
if: github.event_name == 'release'
uses: softprops/action-gh-release@v2
with:
name: ${{ github.event.release.name }}
files: |
smoo-gadget-${{ matrix.name }}

- name: Upload smoo-host binary to release
if: github.event_name == 'release' && matrix.upload_host
uses: softprops/action-gh-release@v2
with:
name: ${{ github.event.release.name }}
files: |
smoo-host-${{ matrix.name }}
11 changes: 11 additions & 0 deletions .github/workflows/release.yml
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Expand Up @@ -172,6 +172,11 @@ jobs:
name: smoo-gadget-aarch64
path: release-artifacts/smoo-gadget-aarch64

- uses: actions/download-artifact@v4
with:
name: smoo-gadget-armv7
path: release-artifacts/smoo-gadget-armv7

- uses: actions/download-artifact@v4
with:
name: smoo-host-aarch64
Expand All @@ -195,11 +200,13 @@ jobs:
cp release-artifacts/smoo-gadget-x86_64/smoo-gadget release-assets/smoo-gadget-x86_64
cp release-artifacts/smoo-host-x86_64/smoo-host release-assets/smoo-host-x86_64
cp release-artifacts/smoo-gadget-aarch64/smoo-gadget release-assets/smoo-gadget-aarch64
cp release-artifacts/smoo-gadget-armv7/smoo-gadget release-assets/smoo-gadget-armv7
cp release-artifacts/smoo-host-aarch64/smoo-host release-assets/smoo-host-aarch64

tar -C release-artifacts/smoo-gadget-x86_64 -czf release-assets/smoo-gadget-cli-x86_64-unknown-linux-musl.tar.gz smoo-gadget
tar -C release-artifacts/smoo-host-x86_64 -czf release-assets/smoo-host-cli-x86_64-unknown-linux-musl.tar.gz smoo-host
tar -C release-artifacts/smoo-gadget-aarch64 -czf release-assets/smoo-gadget-cli-aarch64-unknown-linux-musl.tar.gz smoo-gadget
tar -C release-artifacts/smoo-gadget-armv7 -czf release-assets/smoo-gadget-cli-armv7-unknown-linux-musleabihf.tar.gz smoo-gadget
tar -C release-artifacts/smoo-host-aarch64 -czf release-assets/smoo-host-cli-aarch64-unknown-linux-musl.tar.gz smoo-host

cp release-artifacts/APKBUILD/APKBUILD release-assets/APKBUILD
Expand All @@ -212,10 +219,12 @@ jobs:
test -f release-assets/smoo-gadget-x86_64
test -f release-assets/smoo-host-x86_64
test -f release-assets/smoo-gadget-aarch64
test -f release-assets/smoo-gadget-armv7
test -f release-assets/smoo-host-aarch64
test -f release-assets/smoo-gadget-cli-x86_64-unknown-linux-musl.tar.gz
test -f release-assets/smoo-host-cli-x86_64-unknown-linux-musl.tar.gz
test -f release-assets/smoo-gadget-cli-aarch64-unknown-linux-musl.tar.gz
test -f release-assets/smoo-gadget-cli-armv7-unknown-linux-musleabihf.tar.gz
test -f release-assets/smoo-host-cli-aarch64-unknown-linux-musl.tar.gz
test -f release-assets/APKBUILD
compgen -G 'release-assets/*.apk' >/dev/null
Expand All @@ -230,10 +239,12 @@ jobs:
release-assets/smoo-gadget-x86_64
release-assets/smoo-host-x86_64
release-assets/smoo-gadget-aarch64
release-assets/smoo-gadget-armv7
release-assets/smoo-host-aarch64
release-assets/smoo-gadget-cli-x86_64-unknown-linux-musl.tar.gz
release-assets/smoo-host-cli-x86_64-unknown-linux-musl.tar.gz
release-assets/smoo-gadget-cli-aarch64-unknown-linux-musl.tar.gz
release-assets/smoo-gadget-cli-armv7-unknown-linux-musleabihf.tar.gz
release-assets/smoo-host-cli-aarch64-unknown-linux-musl.tar.gz
release-assets/APKBUILD
release-assets/*.apk
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