154 lines
4.2 KiB
Bash
154 lines
4.2 KiB
Bash
# SPDX-License-Identifier: GPL-3.0-only
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# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
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# Copyright (c) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
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# Copyright (c) 2023-2025 Leah Rowe <leah@libreboot.org>
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cbcfgsdir="config/coreboot"
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hashfiles="vendorhashes blobhashes" # used to detect and error out
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# if running on an archive that needs vendor files
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dontflash="!!! AN ERROR OCCURED! Do NOT flash these images !!!"
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tmpromdel="$xbmkpwd/tmp/DO_NOT_FLASH"
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nvm="util/nvmutil/nvm"
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ifdtool="elf/ifdtool/default/ifdtool"
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cv="CONFIG_GBE_BIN_PATH CONFIG_IFD_BIN_PATH"
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eval "`setvars "" tree new_mac archive boarddir rom cbdir xchanged \
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tmpromdir IFD_platform ifdprefix xromsize $cv`"
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fail_inject()
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{
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[ -L "$tmpromdel" ] || [ ! -d "$tmpromdel" ] || \
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rm -Rf "$tmpromdel" || :
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printf "\n\n%s\n\n" "$dontflash" 1>&2
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printf "WARNING: File '%s' was NOT modified.\n\n" "$archive" 1>&2
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err_ "$1"
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}
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inject()
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{
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err="fail_inject"
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remkdir "$tmpromdel"
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set +u +e
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[ $# -lt 1 ] && $err "No options specified. - $dontflash"
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eval "`setvars "" new_mac xchanged`"
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archive="$1";
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new_mac="xx:xx:xx:xx:xx:xx"
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[ $# -gt 1 ] && case "$2" in
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setmac)
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[ $# -gt 2 ] && new_mac="$3" && \
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[ -z "$new_mac" ] && $err "Empty MAC address specified" ;;
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*) $err "Unrecognised inject mode: '$2'"
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esac
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check_release "$archive" || $err "'$archive' is not a release archive"
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if readcfg && readkconfig; then
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patch_release_roms
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fi
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[ "$xchanged" != "y" ] && printf "\n'%s' *NOT* modified.\n" "$archive"
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[ "$xchanged" = "y" ] && printf "\n'%s' %s.\n" "$archive" "$xtype"; :
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}
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check_release()
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{
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[ -L "$archive" ] && $err "'$archive' is a symlink. $dontflash"
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e "$archive" f missing && return 1
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archivename="`basename "$archive"`"
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[ -z "$archivename" ] && $err "Can't determine archive name. $dontflash"
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case "$archivename" in
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*_src.tar.xz)
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$err "'$archive' is a src archive, silly!" ;;
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grub_*|seagrub_*|custom_*|seauboot_*|seabios_withgrub_*)
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return 1 ;;
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*.tar.xz) _stripped_prefix="${archivename#*_}"
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board="${_stripped_prefix%.tar.xz}" ;;
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*) $err "'$archive': could not detect board type - $dontflash"
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esac; :
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}
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readcfg()
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{
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if [ "$board" = "serprog_rp2040" ] || [ "$board" = "serprog_stm32" ] \
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|| [ "$board" = "serprog_pico" ]; then
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printf "'%s' is a serprog firmware archive.\n" "$archive" 1>&2
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return 1
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fi
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boarddir="$cbcfgsdir/$board"
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eval "`setcfg "$boarddir/target.cfg"`"
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chkvars tree && x_ ./mk -d coreboot "$tree"
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cbdir="src/coreboot/$tree"
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cbfstool="elf/cbfstool/$tree/cbfstool"
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rmodtool="elf/cbfstool/$tree/rmodtool"
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cbfstool="elf/cbfstool/$tree/cbfstool"
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ifdtool="elf/ifdtool/$tree/ifdtool"
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[ -n "$IFD_platform" ] && ifdprefix="-p $IFD_platform"; :
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}
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readkconfig()
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{
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x_ rm -f "$xbmktmp/cbcfg"
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cbcfg="`check_defconfig "$boarddir"`" || for cbc in $cv; do
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grep "$cbc" "$cbcfg" 1>>"$xbmktmp/cbcfg" 2>/dev/null || :
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done
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eval "`setcfg "$xbmktmp/cbcfg" 1`"
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}
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patch_release_roms()
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{
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tmpromdir="tmp/DO_NOT_FLASH/bin/$board"
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remkdir "${tmpromdir%"/bin/$board"}"
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x_ tar -xf "$archive" -C "${tmpromdir%"/bin/$board"}"
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for _hashes in $hashfiles; do
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e "$tmpromdir/$_hashes" f && $err \
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"'$archive': vendorfile insertion unsupported; $dontflash"
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done
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[ -z "$new_mac" ] || modify_mac || printf "\nGbE not defined\n" 1>&2
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[ "$xchanged" = "y" ] || rm -Rf "$tmpromdel" || :
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[ "$xchanged" = "y" ] || return 0
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(
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x_ cd "${tmpromdir%"/bin/$board"}"
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mkrom_tarball "bin/$board"
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) || $err "Cannot re-generate '$archive' - $dontflash"
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mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \
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"$archive" || $err "'$archive' -> Can't overwrite - $dontflash"; :
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}
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modify_mac()
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{
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[ -n "$CONFIG_GBE_BIN_PATH" ] || return 1
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x_ cp "${CONFIG_GBE_BIN_PATH##*../}" tmp/gbe
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[ "$new_mac" != "restore" ] && x_ make -C util/nvmutil clean && \
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x_ make -C util/nvmutil && \
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x_ "$nvm" tmp/gbe setmac "$new_mac"
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fe_ newmac "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
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printf "\nGbE NVM written to '%s':\n" "$archive"
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x_ "$nvm" tmp/gbe dump | grep -v "bytes read from file" || :
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[ "$new_mac" = "restore" ] && \
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printf "\nDefault GbE file '%s' written, unmodified.\n" \
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"${CONFIG_GBE_BIN_PATH##*../}"; :
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}
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newmac()
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{
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e "$1" f && xchanged="y" && x_ \
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"$ifdtool" $ifdprefix -i GbE:tmp/gbe "$1" -O "$1"; :
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}
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