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1 files changed, 39 insertions, 0 deletions

diff --git a/vm/alpine-armv7.sh b/vm/alpine-armv7.sh
new file mode 100644
index 0000000..2d6e6e7
--- /dev/null
+++ b/vm/alpine-armv7.sh
@@ -0,0 +1,39 @@
+: ${VM_CACHE:?} ${VM_DATA:?}
+
+alpine_url=https://dl-cdn.alpinelinux.org/alpine/v3.18/releases/armv7/alpine-uboot-3.18.4-armv7.tar.gz
+
+alpine_path=$VM_CACHE/$(basename -- "$alpine_url")
+kernel_path=$VM_CACHE/vmlinuz-lts
+initrd_path=$VM_CACHE/initramfs-lts
+
+image_path=$VM_DATA/alpine.qcow2
+
+
+if [ ! -f $alpine_path ]; then
+    curl -L -o $alpine_path $alpine_url
+fi
+
+if [ ! -f $kernel_path ]; then
+    tar -x -f $alpine_path -C $(dirname $kernel_path) \
+        --strip-components=2 ./boot/$(basename $kernel_path)
+fi
+
+if [ ! -f $initrd_path ]; then
+    tar -x -f $alpine_path -C $(dirname $initrd_path) \
+        --strip-components=2 ./boot/$(basename $initrd_path)
+fi
+
+if [ ! -f $image_path ]; then
+    qemu-img create -f qcow2 $image_path 20G
+fi
+
+exec qemu-system-arm \
+    -M virt \
+    -m 1G \
+    -cpu cortex-a15 \
+    -kernel $kernel_path \
+    -initrd $initrd_path \
+    -append "console=ttyAMA0" \
+    -hda $image_path \
+    -nographic \
+    "$@"