Add GH build action

.github/workflows/build.yml

@@ -0,0 +1,65 @@
+name: Build
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # TODO: x86_64
+        arch: [arm64]
+        kernel: [{ack: 0, version: 5.15.153}, {ack: 1, version: android14-5.15-lts}]
+    env:
+      ACK: ${{ matrix.kernel.ack }}
+      ARCH: ${{ matrix.arch }}
+      ARTIFACTS_URL: https://github.com/gsingh93/linux-exploit-dev-env/releases/download/2024.04.07-ebc24a8
+      HEADERS_URL: https://github.com/gsingh93/linux-exploit-dev-env/releases/download/linux-headers-2024.04.07-ebc24a8
+    steps:
+
+      - name: Clone Linux Exploit Dev Environment
+        uses: actions/checkout@v4
+        with:
+          repository: gsingh93/linux-exploit-dev-env
+
+      - name: Clone build rules for art-kt
+        uses: actions/checkout@v4
+        with:
+          repository: gsingh93/linux-exploit-dev-env-art-kt
+          submodules: true
+          path: external/art-kt
+
+      - name: Download kernel artifacts
+        shell: bash
+        run: |
+          set -x
+
+          if [ $ACK -eq 0 ]; then
+            KERNEL_TYPE=linux
+          else
+            KERNEL_TYPE=ack
+          fi
+
+          if [ $ARCH == x86_64 ]; then
+            KERNEL_IMAGE_NAME=bzImage
+          elif [ $ARCH == arm64 ]; then
+            KERNEL_IMAGE_NAME=Image
+          fi
+
+          SUFFIX=${KERNEL_TYPE}-${{ matrix.kernel.version }}-${ARCH}
+
+          wget --no-verbose ${ARTIFACTS_URL}/vmlinux-${SUFFIX}
+          wget --no-verbose ${ARTIFACTS_URL}/${KERNEL_IMAGE_NAME}-${SUFFIX}
+          wget --no-verbose ${ARTIFACTS_URL}/alpine-${ARCH}.img
+          wget --no-verbose ${HEADERS_URL}/linux-headers-${SUFFIX}.deb
+
+          dpkg-deb -R linux-headers-${SUFFIX}.deb linux-headers
+
+      - run: ls -lR
+
+      - name: Build art-kt
+        shell: bash
+        run: |
+          set -x
+
+          make $PWD/toolchain/clang
+          LINUX_OUT=$PWD/linux-headers/usr/src/linux-headers-* make art-kt