Migrate to GPT

buildroot-external/scripts/hdd_image.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+
+BOOTSTATE_UUID="33236519-7F32-4DFF-8002-3390B62C309D"
+OVERLAY_BLOCK=131071
+DATA_BLOCK=131071
+BOOT_BLOCK=65535
+
+function hassio_boot_image() {
+    local boot_data=$1
+    local boot_img=$2
+
+    echo "mtools_skip_check=1" > ~/.mtoolsrc
+    dd if=/dev/zero of="$boot_img" bs=512 count=$BOOT_BLOCK
+    mkfs.vfat -n "hassio-boot" "$boot_img"
+    mcopy -i "$boot_img" -sv "$boot_data"/* ::
+}
+
+function hassio_overlay_image() {
+    local overlay_img=$1
+
+    dd if=/dev/zero of="$overlay_img" bs=512 count=$OVERLAY_BLOCK
+    mkfs.ext4 "$overlay_img"
+    tune2fs -L "hassio-overlay" -c0 -i0 "$overlay_img"
+}
+
+function hassio_data_image() {
+    local data_img=$1
+
+    dd if=/dev/zero of="$data_img" bs=512 count=$DATA_BLOCK
+    mkfs.ext4 "$data_img"
+    tune2fs -L "hassio-data" -c0 -i0 "$data_img"
+}
+
+function hassio_hdd_image() {
+    local boot_img=$1
+    local rootfs_img=$2
+    local overlay_img=$3
+    local data_img=$4
+    local hdd_img=$5
+
+    local boot_size="+32M"
+    local boot_offset=0
+    local rootfs_size="+256M"
+    local rootfs_offset=0
+    local overlay_size="+64M"
+    local overlay_offset=0
+    local data_size="+64M"
+    local data_offset=0
+    local bootstate_size="+8M"
+
+
+    # Write new image & GPT
+    dd if=/dev/zero of="$hdd_img" bs=1024K count=800
+    sgdisk -o "$hdd_img"
+    echo "GPT formating done"
+
+    # Boot
+    boot_offset="$(sgdisk -F "$hdd_img")"
+    sgdisk -n 1:$boot_offset:$boot_size -c 1:"hassio-boot" -t 1:"C12A7328-F81F-11D2-BA4B-00A0C93EC93B" "$hdd_img"
+    dd if="$boot_img" of="$hdd_img" conv=notrunc bs=512 seek=$boot_offset
+    echo "Boot formating done"
+
+    # System0
+    rootfs_offset="$(sgdisk -F "$hdd_img")"
+    sgdisk -n 2:$rootfs_offset:$rootfs_size -c 2:"hassio-system0" -t 2:"0FC63DAF-8483-4772-8E79-3D69D8477DE4" "$hdd_img"
+    dd if="$rootfs_img" of="$hdd_img" conv=notrunc bs=512 seek=$rootfs_offset
+    echo "System0 formating done"
+
+    # System1
+    sgdisk -n 3:0:$rootfs_size -c 3:"hassio-system1" -t 3:"0FC63DAF-8483-4772-8E79-3D69D8477DE4" "$hdd_img"
+    echo "System1 formating done"
+
+    # BootState
+    sgdisk -n 4:0:$bootstate_size -c 4:"hassio-bootstate" -t 4:"0FC63DAF-8483-4772-8E79-3D69D8477DE4" -u 4:$BOOTSTATE_UUID "$hdd_img"
+    echo "BootState formating done"
+
+    # Overlay
+    overlay_offset="$(sgdisk -F "$hdd_img")"
+    sgdisk -n 5:$overlay_offset:$overlay_size -c 5:"hassio-overlay" -t 5:"0FC63DAF-8483-4772-8E79-3D69D8477DE4" "$hdd_img"
+    dd if="$overlay_img" of="$hdd_img" conv=notrunc bs=512 seek=$overlay_offset
+    echo "Overlay formating done"
+
+    # Data
+    data_offset="$(sgdisk -F "$hdd_img")"
+    sgdisk -n 6:$data_offset:$data_size -c 6:"hassio-data" -t 6:"0FC63DAF-8483-4772-8E79-3D69D8477DE4" "$hdd_img"
+    dd if="$data_img" of="$hdd_img" conv=notrunc bs=512 seek=$data_offset
+    echo "Data formating done"
+}
+