77 lines
2.0 KiB
Bash
77 lines
2.0 KiB
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (C) 2024 OpenWrt.org
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#
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# This script creates a tar file for the Linksys switches of the LGS3xxC/LGS3xxMPC
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# series. It contains not only the OpenWrt firmware but additional scripts that
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# are needed for the upgrade.
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#
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# ./linksys-image.py <ImageFile> <ImageFileOut> <LinksysModel>
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#
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# Known values for LinksysModel are currently
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#
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# LGS310MPC 60402010
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# LGS310C 60402060
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# LGS328PC 60401070
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# LGS328PC(RTL8218D) 60401080
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# LGS310MPCv2 60402090
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# LGS328MPC 60412020
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# LGS328C 60412040
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# LGS328MPCv2 60412060
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# LGS352MPC 60422030
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# LGS352C 60422050
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# LGS352MPCv2 60422070
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# The check script that verifies if the images matches the hardware model
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gen_imagecheck() {
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echo '#!/bin/sh'
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echo 'if [ "$1" = "'${1}'" ]; then'
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echo 'echo 0'
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echo 'else'
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echo 'echo 1'
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echo 'fi'
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}
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# Generic attributes
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gen_fwinfo() {
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echo 'FW_VERSION=1.01.100\nBOOT_VERSION=01.00.01'
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}
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# The central upgrade script. It allows to install OpenWrt only to first partition.
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gen_imageupgrade() {
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echo '#!/bin/sh'
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echo 'flash_bank=65536'
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echo 'filesize=`stat --format=%s ./series_vmlinux.bix`'
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echo 'num_bank=`expr \( ${filesize} + ${flash_bank} - 1 \) / ${flash_bank}`'
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echo 'filesize_bank=`expr ${num_bank} \* ${flash_bank}`'
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echo 'case $1 in'
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echo '1)'
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echo 'mtd_debug erase $2 0 ${filesize_bank} >/dev/null 2>&1'
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echo 'mtd_debug write $2 0 ${filesize} ./series_vmlinux.bix >/dev/null 2>&1'
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echo 'mtd_debug read $2 0 100 image1.img >/dev/null 2>&1'
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echo 'CreateImage -r ./image1.img > /tmp/app/image1.txt'
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echo 'echo 0'
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echo ';;'
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echo '*)'
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echo 'echo 1'
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echo 'esac'
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}
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tmpdir="$( mktemp -d 2> /dev/null )"
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imgdir=$tmpdir/image
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mkdir $imgdir
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gen_imagecheck $3 > $imgdir/iss_imagecheck.sh
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gen_imageupgrade > $imgdir/iss_imageupgrade.sh
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gen_fwinfo > $imgdir/firmware_information.txt
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chmod +x $imgdir/iss_imagecheck.sh
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chmod +x $imgdir/iss_imageupgrade.sh
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cp $1 $imgdir/series_vmlinux.bix
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tar cf $2 -C $tmpdir image/
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rm -rf $tmpdir
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