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29 lines
789 B
Bash
29 lines
789 B
Bash
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#!/usr/bin/env bash
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Copyright (C) 2022 OpenWrt.org
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#
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set -ex
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[ $# -eq 7 ] || {
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echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size> <u-boot ITB image> <u-boot SPL>"
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exit 1
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}
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OUTPUT="$1"
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BOOTFS="$2"
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ROOTFS="$3"
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BOOTFSSIZE="$4"
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ROOTFSSIZE="$5"
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UBOOT="$6"
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UBOOT_SPL="$7"
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set $(ptgen -o $OUTPUT -v -g -T sifiveu_spl -N loader1 -p 1024 -T sifiveu_uboot -N loader2 -p 4096 -t ef -N boot -p ${BOOTFSSIZE}M -N rootfs -p ${ROOTFSSIZE}M)
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ROOTFSOFFSET=$(($7 / 512))
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dd bs=512 if="$UBOOT_SPL" of="$OUTPUT" seek=34 conv=notrunc
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dd bs=512 if="$UBOOT" of="$OUTPUT" seek=2082 conv=notrunc
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dd bs=512 if="$BOOTFS" of="$OUTPUT" seek=10274 conv=notrunc
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dd bs=512 if="$ROOTFS" of="$OUTPUT" seek=${ROOTFSOFFSET} conv=notrunc
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