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set - as soon as possible, for example in the extract_me function. we only turn off error handling when certain error-prone tasks are performed, and mitigations are in place after these commands run to make sure that the result was valid. this is because in some cases, we want certain buggy behaviours to be permitted, with errors handled in a more fine-tuned way, because sh can sometimes be much stricter depending on the implementation; otherwise, we almost always rely on -e -u in most of the build system. this mainly affects the vendorfile insertion logic. Signed-off-by: Leah Rowe <leah@libreboot.org>
148 lines
3.6 KiB
Bash
148 lines
3.6 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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tmpromdel="$XBMK_CACHE/DO_NOT_FLASH"
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nvm="util/nvmutil/nvm"
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ifdtool="elf/coreboot/default/ifdtool"
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cv="CONFIG_GBE_BIN_PATH"
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[ -n "$cvxbmk" ] && cv="$cv $cvxbmk"
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[ -n "$cvchk" ] && cv="$cv $cvchk"
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eval "`setvars "" archive boarddir IFD_platform ifdprefix tree new_mac \
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tmpromdir board xchanged $cv`"
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inject()
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{
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remkdir "$tmpromdel"
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[ $# -lt 1 ] && err "No options specified"
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eval "`setvars "" nuke 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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nuke)
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new_mac=""
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nuke="nuke" ;;
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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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*)
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err "Unrecognised inject mode: '$2'"
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esac
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[ "$new_mac" = "keep" ] && new_mac=""
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check_release
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check_target && patch_release
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[ "$xchanged" = "y" ] && remktar
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xnot=" NOT" && [ "$xchanged" = "y" ] && xnot=""
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printf "\n'%s' was%s modified\n" "$archive" "$xnot" 1>&2
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x_ rm -Rf "$tmpromdel"
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}
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check_release()
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{
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[ -L "$archive" ] && err "'$archive' is a symlink"
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e "$archive" f missing && err "'$archive' missing"
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archivename="`basename "$archive"`" || err "Can't get '$archive' name"
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[ -z "$archivename" ] && err "Can't determine archive name"
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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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err "'$archive' is a ROM image (it must be a tarball)" ;;
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*.tar.xz) _stripped_prefix="${archivename#*_}"
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board="${_stripped_prefix%.tar.xz}" ;;
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*)
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err "'$archive': could not detect board type" ;;
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esac; :
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}
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check_target()
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{
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[ "$board" = "${board#serprog_}" ] || return 1
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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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ifdtool="elf/coreboot/$tree/ifdtool"
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[ -n "$IFD_platform" ] && ifdprefix="-p $IFD_platform"; :
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}
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patch_release()
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{
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[ "$nuke" = "nuke" ] || x_ ./mk download "$board"
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has_hashes="n"
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tmpromdir="$tmpromdel/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 "vendorhashes" "blobhashes"; do
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e "$tmpromdir/$_hashes" f && \
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has_hashes="y" && hashfile="$_hashes" && break; :
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done
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readkconfig || exit 0
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[ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ] && modify_mac; :
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}
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readkconfig()
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{
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x_ rm -f "$xbtmp/cbcfg"
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fx_ scankconfig x_ find "$boarddir/config" -type f
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eval "`setcfg "$xbtmp/cbcfg" 1`"
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setvfile "$@" || return 1; :
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}
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scankconfig()
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{
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for cbc in $cv; do
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grep "$cbc" "$1" 2>/dev/null 1>>"$xbtmp/cbcfg" || :
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done
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}
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modify_mac()
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{
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x_ cp "${CONFIG_GBE_BIN_PATH##*../}" "$xbloc/gbe"
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[ -n "$new_mac" ] && [ "$new_mac" != "restore" ] && \
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x_ make -C util/nvmutil clean && x_ make -C util/nvmutil && \
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x_ "$nvm" "$xbloc/gbe" setmac "$new_mac"
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fx_ newmac x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
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printf "\nThe following GbE NVM data will be written:\n"
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x_ "$nvm" "$xbloc/gbe" dump | grep -v "bytes read from file" || :
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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" $ifdprefix -i GbE:"$xbloc/gbe" "$1" -O "$1"; :
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}
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remktar()
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{
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(
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x_ cd "${tmpromdir%"/bin/$board"}"
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printf "Re-building tar archive (please wait)\n"
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mkrom_tarball "bin/$board" 1>/dev/null
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) || err "Cannot re-generate '$archive'"
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mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \
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"$archive" || err "'$archive' -> Can't overwrite"; :
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}
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