ci: partially enable virtIO example and enable it for macOS

Signed-off-by: Ivan Velickovic <[email protected]>

.github/workflows/ci.yaml

@@ -74,7 +74,7 @@ jobs:
       - name: Install dependencies (via Homebrew)
         # 'expect' is only a dependency for CI testing
         run: |
-          brew install llvm qemu dtc make expect
+          brew install llvm qemu dtc make dosfstools expect
           echo "/usr/local/opt/llvm/bin:$PATH" >> $GITHUB_PATH
       - name: Install Zig
         run: |

ci/examples.sh

@@ -151,16 +151,10 @@ simulate_zig "release" "ReleaseSafe"
 build_zig "release" "ReleaseSmall"
 simulate_zig "release" "ReleaseSmall"
 
-# The setup for virtIO block does not currently work on macOS due to
-# Linux-specific utilities not being available.
-# if [ "$(uname)" == "Linux" ]; then
-
-# build_virtio "qemu_virt_aarch64" "debug"
-# build_virtio "qemu_virt_aarch64" "release"
+build_virtio "qemu_virt_aarch64" "debug"
+build_virtio "qemu_virt_aarch64" "release"
 # build_virtio "odroidc4" "debug"
 # build_virtio "odroidc4" "release"
 
-# fi
-
 echo ""
 echo "CI|INFO: Passed all VMM tests"