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light-initrd mount devtmpfs #191

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light-initrd mount devtmpfs #191

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470995d
light-initrd mount devtmpfs
wokron Sep 1, 2026
a1f2212
packed as 755
wokron Sep 1, 2026
4ef75dc
mount tmpfs
wokron Sep 2, 2026
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9 changes: 7 additions & 2 deletions scripts/light-initrd.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -68,13 +68,17 @@ cat << 'EOF' > "$WORK_DIR/init"
set -euo pipefail

# Initialize minimal directories
busybox mkdir -p /etc /proc /root /sbin /sys /usr/bin /usr/sbin /dev/pts
busybox mkdir -p /etc /proc /root /sbin /sys /usr/bin /usr/sbin /dev /tmp /run

# Mount necessary filesystems
busybox mount -t proc proc /proc
busybox mount -t sysfs sys /sys
busybox mount -t devtmpfs devtmpfs /dev
busybox mkdir -p /dev/pts /dev/shm
busybox mount -t devpts devpts /dev/pts
busybox mdev -s
busybox mount -t tmpfs -o mode=1777,nodev,nosuid tmpfs /dev/shm
busybox mount -t tmpfs -o mode=1777,nodev,nosuid tmpfs /tmp
busybox mount -t tmpfs -o mode=0755,nodev,nosuid tmpfs /run

# Install busybox applets
busybox --install -s
Expand Down Expand Up @@ -108,6 +112,7 @@ done

# Create the initrd image
OUTPUT_FILE_REAL=$(realpath "$OUTPUT_FILE")
chmod 755 "$WORK_DIR"
cd "$WORK_DIR"
find . | cpio -o -H newc -R 0:0 | gzip -9 > "$OUTPUT_FILE_REAL"
echo "Created initrd image: $OUTPUT_FILE"
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