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# SPDX-License-Identifier: GPL-3.0-only
# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# Copyright (c) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
# Copyright (c) 2023-2026 Leah Rowe <leah@libreboot.org>
cbcfgsdir="config/module/coreboot"
tmpromdel="$XBMK_CACHE/DO_NOT_FLASH"
nvmutil="util/nvmutil/nvmutil"
ifdtool="elf/coreboot/default/ifdtool"
checkvars="CONFIG_GBE_BIN_PATH ${checkvarsxbmk-} ${checkvarschk-}"
eval "`newvar archive board boarddir IFD_platform ifdprefix \
new_mac nuke tmpromdir tree xchanged $checkvars`"
inject()
{
remkdir "$tmpromdel"
[ $# -lt 1 ] && err "No options specified" "inject" "$@"
archive="$1";
new_mac="xx:xx:xx:xx:xx:xx"
[ $# -gt 1 ] && case "$2" in
nuke)
new_mac=""
nuke="nuke"
;;
setmac)
if [ $# -gt 2 ]; then
new_mac="$3" && \
[ -z "$new_mac" ] && \
err "Empty MAC address" "inject" "$@"; :
fi
;;
*)
err "Unrecognised inject mode: '$2'" "inject" "$@" ;;
esac
[ "$new_mac" = "keep" ] && \
new_mac=""
check_release
if check_target; then
patch_release || return 0
fi
[ "$xchanged" = "y" ] && \
remktar
x_ rm -Rf "$tmpromdel"
}
check_release()
{
[ -L "$archive" ] && \
err "'$archive' is a symlink" "check_release" "$@"
e "$archive" f missing && \
err "'$archive' missing" "check_release" "$@"
archivename="`basename "$archive" || err "Can't get '$archive' name"`" \
|| err "can't get '$archive' name" "check_release" "$@"
[ -z "$archivename" ] && \
err "Can't determine archive name" "check_release" "$@"
case "$archivename" in
*_src.tar.xz)
err "'$archive' is a src archive!" "check_release" "$@"
;;
grub_*|seagrub_*|custom_*|seauboot_*|seabios_withgrub_*)
err "'$archive' is a ROM image" "check_release" "$@"
;;
*.tar.xz) _stripped_prefix="${archivename#*_}"
board="${_stripped_prefix%.tar.xz}"
;;
*)
err "'$archive': cannot detect board" "check_release" "$@"
;;
esac; :
}
check_target()
{
[ "$board" = "${board#serprog_}" ] || return 1
boarddir="$cbcfgsdir/$board"
. "$boarddir/target.cfg" || \
err "Can't read '$boarddir/target.cfg'" "check_target" "$@"
[ -z "$tree" ] && \
err "tree unset in '$boarddir/target.cfg'" "check_target" "$@"
x_ "$mk" -d coreboot "$tree"
ifdtool="elf/coreboot/$tree/ifdtool"
[ -n "$IFD_platform" ] && \
ifdprefix="-p $IFD_platform"; :
}
patch_release()
{
[ "$nuke" != "nuke" ] && \
x_ "$mk" download "$board"
has_hashes="n"
tmpromdir="$tmpromdel/bin/$board"
remkdir "${tmpromdir%"/bin/$board"}"
x_ tar -xf "$archive" -C "${tmpromdir%"/bin/$board"}"
for _hashes in "vendorhashes" "blobhashes"; do
if e "$tmpromdir/$_hashes" f; then
has_hashes="y"
hashfile="$_hashes"
break
fi
done
readkconfig || return 1
[ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ] && \
modify_mac; :
}
readkconfig()
{
x_ rm -f "$xbtmp/cbcfg"
fx_ scankconfig x_ find "$boarddir/config" -type f
e "$xbtmp/cbcfg" f missing && \
return 1
. "$xbtmp/cbcfg" || \
err "Can't read '$xbtmp/cbcfg'" "readkconfig" "$@"
setvfile "$@" || return 1; :
}
scankconfig()
{
for cbc in $checkvars; do
grep "$cbc" "$1" 2>/dev/null 1>>"$xbtmp/cbcfg" || :
done
}
modify_mac()
{
x_ cp "${CONFIG_GBE_BIN_PATH##*../}" "$xbtmp/gbe"
if [ -n "$new_mac" ] && [ "$new_mac" != "restore" ]; then
forx 'x_ make -C util/nvmutil %s' clean nvmutil
x_ "$nvmutil" "$xbtmp/gbe" setmac "$new_mac"
fi
fx_ newmac x_ find "$tmpromdir" -mindepth 1 -maxdepth 1 \
-type f -name "*.rom"
printf "\nThe following GbE NVM data will be written:\n"
x_ "$nvmutil" "$xbtmp/gbe" dump | grep -v "bytes read from file" || :
}
newmac()
{
e "$1" f || return 0
xchanged="y"
x_ "$ifdtool" $ifdprefix -i GbE:"$xbtmp/gbe" "$1" -O "$1"
}
remktar()
{
(
x_ cd "${tmpromdir%"/bin/$board"}"
printf "Re-building tar archive (please wait)\n"
mkrom_tarball "bin/$board" 1>/dev/null
) || err "Cannot re-generate '$archive'" "remktar" "$@"
mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \
"$archive" || err "'$archive' -> Can't overwrite" "remktar" "$@"; :
}
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