Test usertests in CI

.github/workflows/ci.yml

@@ -2,18 +2,18 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   workflow_dispatch:
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
   build-test:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Use the toolchain from rust-toolchain.toml
       - name: Install Rust
@@ -33,3 +33,31 @@ jobs:
 
       - name: Run unit tests for libkernel
         run: cargo test -p libkernel --target x86_64-unknown-linux-gnu --all-features
+
+      - name: Install dependencies
+        run: sudo apt update && sudo apt install qemu-system-aarch64 dosfstools mtools binutils-aarch64-linux-gnu gcc-aarch64-linux-gnu
+
+      - name: Install arm GNU toolchain
+        run: |
+          wget https://developer.arm.com/-/media/Files/downloads/gnu/15.2.rel1/binrel/arm-gnu-toolchain-15.2.rel1-x86_64-aarch64-none-elf.tar.xz
+          tar -xf arm-gnu-toolchain-15.2.rel1-x86_64-aarch64-none-elf.tar.xz
+          mv arm-gnu-toolchain-15.2.rel1-x86_64-aarch64-none-elf arm-gnu-toolchain
+          echo "${{ github.workspace }}/arm-gnu-toolchain/bin" >> $GITHUB_PATH
+
+      - name: Build Image
+        run: |
+          wget https://github.com/arihant2math/prebuilt-musl/raw/refs/heads/main/aarch64-linux-musl-cross.tgz
+          mkdir build
+          mv aarch64-linux-musl-cross.tgz ./build/
+          ls
+          ./scripts/build-deps.sh
+          ./scripts/create-image.sh
+
+      - name: Upload Image
+        uses: actions/upload-artifact@v6
+        with:
+          name: image
+          path: moss.img
+
+      - name: Run userspace testing
+        run: CARGO_TARGET_AARCH64_UNKNOWN_NONE_SOFTFLOAT_RUNNER=./scripts/qemu-test-runner.sh cargo run -r

.gitignore

@@ -4,3 +4,4 @@
 *.img
 .idea/
 .vscode/
+test_output.log

scripts/qemu-test-runner.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+base="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
+
+elf="$1"
+bin="${elf%.elf}.bin"
+
+# Locate a suitable objcopy implementation (prefer bare-metal, fall back to linux/llvm/rust versions)
+OBJCOPY=${OBJCOPY:-$(command -v aarch64-none-elf-objcopy \
+                  || command -v aarch64-linux-gnu-objcopy \
+                  || command -v llvm-objcopy \
+                  || command -v rust-objcopy)}
+
+if [[ -z "$OBJCOPY" ]]; then
+    echo "Error: no compatible aarch64 objcopy found (looked for aarch64-none-elf-objcopy, aarch64-linux-gnu-objcopy, llvm-objcopy, rust-objcopy)." >&2
+    exit 1
+fi
+
+# Convert to binary format
+"$OBJCOPY" -O binary "$elf" "$bin"
+qemu-system-aarch64 -M virt,gic-version=3 -initrd moss.img -cpu cortex-a72 -m 2G -smp 4 -nographic -s -kernel "$bin" -append "--init=/usertest --rootfs=fat32fs --automount=/dev,devfs --automount=/tmp,tmpfs"