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- #!/usr/bin/env bash
- # SPDX-License-Identifier: GPL-2.0-only
- #
- # Copyright (C) 2023 OpenWrt.org
- #
- set -ex
- [ $# -eq 5 ] || {
- echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
- exit 1
- }
- OUTPUT="$1"
- BOOTFS="$2"
- ROOTFS="$3"
- BOOTFSSIZE="$4"
- ROOTFSSIZE="$5"
- 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 ${ROOTFSSIZE}M)
- ROOTFSOFFSET=$(($7 / 512))
- dd bs=512 if="$BOOTFS" of="$OUTPUT" seek=10274 conv=notrunc
- dd bs=512 if="$ROOTFS" of="$OUTPUT" seek=${ROOTFSOFFSET} conv=notrunc
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