37 lines
1.3 KiB
Bash
Executable File
37 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# Assemble SPL, U-Boot, U-Boot environment, boot-resources, boot and rootfs
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# images into a final H700 bootable sdcard image.
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set -e
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if [[ $# -lt 7 ]] ; then
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echo "Usage: $0 SDCARD SPL UBOOT ENV BOOT-RESOURCE BOOT ROOTFS"
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exit 0
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fi
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mb() {
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# Return the file size in MiB (rounded up)
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local file_size
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file_size="$(stat -c "%s" "$1")"
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echo "$(( (file_size + 1024 ** 2 - 1) / 1024 ** 2 ))M"
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}
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sgdisk --move-main-table=73696 -I \
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--new="0:0:+$(mb "$4")" --change-name=0:env --attributes=0:=:c000000000000001 --typecode=0:b000 \
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--new="0:0:+$(mb "$5")" --change-name=0:boot-resource --attributes=0:=:c000000000000001 --typecode=0:0700 \
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--new="0:0:+$(mb "$6")" --change-name=0:boot --attributes=0:=:c000000000000001 --typecode=0:a002 \
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--new="0:0:+$(mb "$7")" --change-name=0:rootfs --attributes=0:=:c000000000000001 --typecode=0:8305 \
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"$1"
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part_table="$(sgdisk -p artifacts/alpine-h700.img | awk '/^ +[0-9]+ +[0-9]+ +[0-9]+/{print $2 / 2}' | xargs)"
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read -r -a offsets <<<"$part_table"
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images=("$2" "$3" "$4" "$5" "$6" "$7")
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offsets=(8 16400 "${offsets[@]}")
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for i in "${!images[@]}"; do
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img="${images[$i]}"
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off="${offsets[$i]}"
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echo "Writing $img at offset ${off}KiB"
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dd if="$img" of="$1" bs=1K seek="${off}" conv=sparse,notrunc status=none
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done
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echo "Your bootable SD image is $1" |