ci: add k1 build

Signed-off-by: Han Gao <[email protected]>
Signed-off-by: Han Gao <[email protected]>

.github/workflows/kernel.yml

@@ -0,0 +1,82 @@
+name: k1-kernel
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 2 * * *"
+
+jobs:
+  build-kernel:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: gcc-13
+            board: k1
+
+    runs-on: ubuntu-24.04
+    env:
+      ARCH: riscv
+      KBUILD_BUILD_USER: riscv
+      KBUILD_BUILD_HOST: riscv-builder
+      KDEB_COMPRESS: xz
+      board: ${{ matrix.board }}
+      CROSS_COMPILE: riscv64-linux-gnu-
+
+    steps:
+      - name: Update Apt Cache
+        run: sudo apt update
+
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          path: kernel
+
+      - name: Install software
+        run: |
+              echo "deb [arch=riscv64,trusted=yes] http://ports.ubuntu.com/ubuntu-ports/ noble main restricted" | sudo tee -a /etc/apt/sources.list
+              sudo apt install -y gdisk dosfstools build-essential \
+                                  libncurses-dev gawk flex bison openssl libssl-dev tree \
+                                  dkms libelf-dev libudev-dev libpci-dev libiberty-dev autoconf \
+                                  device-tree-compiler xz-utils devscripts ccache debhelper pahole \
+                                  gcc-riscv64-linux-gnu
+              #sudo dpkg --add-architecture riscv64
+              sudo apt update
+              sudo apt install -y libssl-dev:riscv64 libelf-dev:riscv64
+
+      - name: Compile Kernel && Install
+        run: |
+              mkdir -p artifact
+              ${CROSS_COMPILE}gcc -v
+              pushd kernel
+                export KDEB_PKGVERSION="$(date "+%Y.%m.%d.%H.%M")+$(git rev-parse --short HEAD)"
+                make k1_defconfig
+                make -j$(nproc) dtbs
+                make -j$(nproc) bindeb-pkg LOCALVERSION="-${board}"
+                sudo cp -v arch/riscv/boot/dts/spacemit/*.dtb ../artifact
+                sudo cp -v ../*.deb ../artifact
+              popd
+
+      - name: 'Upload Artifact'
+        uses: actions/upload-artifact@v4
+        with:
+          name: k1-kernel-${{ matrix.name }}-${{ matrix.board }}
+          path: artifact/*
+          retention-days: 30