feat(isobuild): add multi-architecture build and Raspberry Pi support in installer and build tooling
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234
isobuild/scripts/create-rpi-image.sh
Executable file
234
isobuild/scripts/create-rpi-image.sh
Executable file
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#!/bin/bash
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#
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# Create Raspberry Pi bootable image from live-build output
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# This script creates a proper Pi-bootable image with:
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# - Partition 1: FAT32 boot partition (256MB) with Pi firmware
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# - Partition 2: ext4 root filesystem
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#
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# Usage: ./create-rpi-image.sh <squashfs_or_chroot_path> <output_image>
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#
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set -e
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INPUT_PATH="$1"
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OUTPUT_IMG="$2"
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IMG_SIZE="${3:-8G}"
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if [ -z "$INPUT_PATH" ] || [ -z "$OUTPUT_IMG" ]; then
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echo "Usage: $0 <squashfs_or_chroot_path> <output_image> [size]"
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echo ""
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echo "Arguments:"
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echo " squashfs_or_chroot_path Path to filesystem.squashfs or chroot directory"
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echo " output_image Output .img file path"
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echo " size Image size (default: 8G)"
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exit 1
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fi
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echo "=== Creating Raspberry Pi Image ==="
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echo "Input: $INPUT_PATH"
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echo "Output: $OUTPUT_IMG"
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echo "Size: $IMG_SIZE"
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# Create empty image
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echo "Creating empty image..."
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truncate -s $IMG_SIZE "$OUTPUT_IMG"
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# Create partition table (MBR for Pi compatibility)
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echo "Creating partition table..."
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parted -s "$OUTPUT_IMG" mklabel msdos
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parted -s "$OUTPUT_IMG" mkpart primary fat32 1MiB 257MiB
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parted -s "$OUTPUT_IMG" mkpart primary ext4 257MiB 100%
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parted -s "$OUTPUT_IMG" set 1 boot on
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# Setup loop device
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echo "Setting up loop device..."
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LOOP_DEV=$(losetup --find --show --partscan "$OUTPUT_IMG")
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echo "Loop device: $LOOP_DEV"
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# Wait for partitions to appear
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sleep 2
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BOOT_PART="${LOOP_DEV}p1"
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ROOT_PART="${LOOP_DEV}p2"
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# Verify partitions exist
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if [ ! -b "$BOOT_PART" ] || [ ! -b "$ROOT_PART" ]; then
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echo "ERROR: Partitions not found. Trying partx..."
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partx -a "$LOOP_DEV" 2>/dev/null || true
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sleep 2
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fi
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echo "Boot partition: $BOOT_PART"
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echo "Root partition: $ROOT_PART"
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# Format partitions
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echo "Formatting partitions..."
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mkfs.vfat -F 32 -n "boot" "$BOOT_PART"
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mkfs.ext4 -L "EcoOS" "$ROOT_PART"
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# Create mount points
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BOOT_MNT=$(mktemp -d)
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ROOT_MNT=$(mktemp -d)
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# Mount partitions
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echo "Mounting partitions..."
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mount "$BOOT_PART" "$BOOT_MNT"
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mount "$ROOT_PART" "$ROOT_MNT"
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# Extract or copy rootfs
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echo "Copying root filesystem..."
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if [ -f "$INPUT_PATH" ] && file "$INPUT_PATH" | grep -q "Squashfs"; then
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# It's a squashfs file - extract it
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echo "Extracting squashfs..."
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unsquashfs -f -d "$ROOT_MNT" "$INPUT_PATH"
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elif [ -d "$INPUT_PATH" ]; then
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# It's a directory (chroot) - copy it
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echo "Copying chroot directory..."
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cp -a "$INPUT_PATH"/* "$ROOT_MNT"/
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else
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echo "ERROR: Input path is neither a squashfs file nor a directory"
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umount "$BOOT_MNT" "$ROOT_MNT"
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losetup -d "$LOOP_DEV"
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rm -rf "$BOOT_MNT" "$ROOT_MNT"
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exit 1
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fi
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# Copy kernel and initrd to boot partition
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echo "Setting up boot partition..."
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# Find kernel and initrd
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KERNEL=$(ls "$ROOT_MNT"/boot/vmlinuz-* 2>/dev/null | sort -V | tail -1)
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INITRD=$(ls "$ROOT_MNT"/boot/initrd.img-* 2>/dev/null | sort -V | tail -1)
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if [ -n "$KERNEL" ]; then
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cp "$KERNEL" "$BOOT_MNT/vmlinuz"
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echo "Copied kernel: $(basename $KERNEL)"
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fi
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if [ -n "$INITRD" ]; then
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cp "$INITRD" "$BOOT_MNT/initrd.img"
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echo "Copied initrd: $(basename $INITRD)"
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fi
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# Copy device tree blobs if present
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if [ -d "$ROOT_MNT/usr/lib/linux-image-"*"-raspi" ]; then
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DTB_DIR=$(ls -d "$ROOT_MNT/usr/lib/linux-image-"*"-raspi" 2>/dev/null | tail -1)
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if [ -d "$DTB_DIR/broadcom" ]; then
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cp -r "$DTB_DIR/broadcom"/*.dtb "$BOOT_MNT/" 2>/dev/null || true
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echo "Copied device tree blobs"
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fi
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if [ -d "$DTB_DIR/overlays" ]; then
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mkdir -p "$BOOT_MNT/overlays"
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cp -r "$DTB_DIR/overlays"/* "$BOOT_MNT/overlays/" 2>/dev/null || true
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echo "Copied device tree overlays"
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fi
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fi
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# Copy Pi firmware files
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echo "Copying Raspberry Pi firmware..."
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if [ -d "$ROOT_MNT/usr/lib/raspi-firmware" ]; then
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cp "$ROOT_MNT/usr/lib/raspi-firmware"/*.bin "$BOOT_MNT/" 2>/dev/null || true
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cp "$ROOT_MNT/usr/lib/raspi-firmware"/*.elf "$BOOT_MNT/" 2>/dev/null || true
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cp "$ROOT_MNT/usr/lib/raspi-firmware"/*.dat "$BOOT_MNT/" 2>/dev/null || true
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echo "Copied firmware files from raspi-firmware"
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elif [ -d "$ROOT_MNT/boot/firmware" ]; then
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cp "$ROOT_MNT/boot/firmware"/*.bin "$BOOT_MNT/" 2>/dev/null || true
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cp "$ROOT_MNT/boot/firmware"/*.elf "$BOOT_MNT/" 2>/dev/null || true
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cp "$ROOT_MNT/boot/firmware"/*.dat "$BOOT_MNT/" 2>/dev/null || true
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echo "Copied firmware files from /boot/firmware"
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fi
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# Create config.txt if not present
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if [ ! -f "$BOOT_MNT/config.txt" ]; then
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echo "Creating config.txt..."
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cat > "$BOOT_MNT/config.txt" << 'EOF'
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# EcoOS Raspberry Pi Configuration
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# Supports Pi 3, 4, and 5
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# Enable 64-bit mode
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arm_64bit=1
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# Kernel and initrd
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kernel=vmlinuz
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initramfs initrd.img followkernel
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# Enable serial console for debugging
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enable_uart=1
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# GPU/display settings
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dtoverlay=vc4-kms-v3d
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gpu_mem=256
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# USB and power settings (Pi 4/5)
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max_usb_current=1
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# Audio
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dtparam=audio=on
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# Camera/display interfaces
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camera_auto_detect=1
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display_auto_detect=1
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# Pi 5 specific (ignored on older models)
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[pi5]
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dtoverlay=dwc2,dr_mode=host
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EOF
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fi
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# Create cmdline.txt if not present
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if [ ! -f "$BOOT_MNT/cmdline.txt" ]; then
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echo "Creating cmdline.txt..."
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# Get the UUID of the root partition
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ROOT_UUID=$(blkid -s UUID -o value "$ROOT_PART")
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if [ -n "$ROOT_UUID" ]; then
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echo "console=serial0,115200 console=tty1 root=UUID=$ROOT_UUID rootfstype=ext4 fsck.repair=yes rootwait quiet splash" > "$BOOT_MNT/cmdline.txt"
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else
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echo "console=serial0,115200 console=tty1 root=LABEL=EcoOS rootfstype=ext4 fsck.repair=yes rootwait quiet splash" > "$BOOT_MNT/cmdline.txt"
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fi
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fi
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# Update fstab in the root filesystem
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echo "Updating /etc/fstab..."
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BOOT_UUID=$(blkid -s UUID -o value "$BOOT_PART")
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ROOT_UUID=$(blkid -s UUID -o value "$ROOT_PART")
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cat > "$ROOT_MNT/etc/fstab" << EOF
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# EcoOS fstab - Raspberry Pi
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# <file system> <mount point> <type> <options> <dump> <pass>
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# Root filesystem
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UUID=$ROOT_UUID / ext4 defaults,noatime 0 1
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# Boot partition
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UUID=$BOOT_UUID /boot vfat defaults 0 2
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# Swap (if needed)
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# /swapfile none swap sw 0 0
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EOF
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# Create symlink for boot files in rootfs
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mkdir -p "$ROOT_MNT/boot"
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echo "Boot partition will be mounted at /boot"
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# Set hostname
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echo "ecoos-rpi" > "$ROOT_MNT/etc/hostname"
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# Cleanup
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echo "Cleaning up..."
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sync
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umount "$BOOT_MNT"
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umount "$ROOT_MNT"
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losetup -d "$LOOP_DEV"
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rm -rf "$BOOT_MNT" "$ROOT_MNT"
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# Final size
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FINAL_SIZE=$(ls -lh "$OUTPUT_IMG" | awk '{print $5}')
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echo ""
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echo "=== Raspberry Pi Image Created ==="
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echo "Output: $OUTPUT_IMG"
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echo "Size: $FINAL_SIZE"
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echo ""
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echo "To flash to SD card:"
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echo " sudo dd if=$OUTPUT_IMG of=/dev/sdX bs=4M status=progress"
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echo ""
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echo "Or use Raspberry Pi Imager for a safer flash."
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