cbmk/include/inject.sh

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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) 2023-2025 Leah Rowe <leah@libreboot.org>
cbcfgsdir="config/coreboot"
hashfiles="vendorhashes blobhashes" # blobhashes for backwards compatibility
tmpromdel="$XBMK_CACHE/DO_NOT_FLASH"
nvm="util/nvmutil/nvm"
ifdtool="elf/ifdtool/default/ifdtool"
cv="CONFIG_GBE_BIN_PATH"
[ -n "$cvxbmk" ] && cv="$cv $cvxbmk"
[ -n "$cvchk" ] && cv="$cv $cvchk"
eval "`setvars "" archive boarddir IFD_platform ifdprefix tree new_mac \
tmpromdir board $cv`"
inject()
{
remkdir "$tmpromdel"
set +u +e
[ $# -lt 1 ] && err "No options specified"
eval "`setvars "" nukemode new_mac xchanged`"
archive="$1";
new_mac="xx:xx:xx:xx:xx:xx"
[ $# -gt 1 ] && case "$2" in
nuke)
new_mac=""
nukemode="nuke" ;;
setmac)
[ $# -gt 2 ] && new_mac="$3" && \
[ -z "$new_mac" ] && err "Empty MAC address specified" ;;
*)
err "Unrecognised inject mode: '$2'"
esac
[ "$new_mac" = "keep" ] && new_mac=""
[ -n "$new_mac" ] && [ "$new_mac" != "restore" ] && \
x_ make -C util/nvmutil clean && x_ make -C util/nvmutil
check_release
check_target && patch_release
[ "$xchanged" = "y" ] && remktar
xnot=" NOT" && [ "$xchanged" = "y" ] && xnot=""
printf "\n'%s' was%s modified\n" "$archive" "$xnot" 1>&2
x_ rm -Rf "$tmpromdel"
}
check_release()
{
[ -L "$archive" ] && err "'$archive' is a symlink"
e "$archive" f missing && err "'$archive' missing"
archivename="`basename "$archive"`" || err "Can't get '$archive' name"
[ -z "$archivename" ] && err "Can't determine archive name"
case "$archivename" in
*_src.tar.xz)
err "'$archive' is a src archive, silly!" ;;
grub_*|seagrub_*|custom_*|seauboot_*|seabios_withgrub_*)
err "'$archive' is a ROM image (it must be a tarball)" ;;
*.tar.xz) _stripped_prefix="${archivename#*_}"
board="${_stripped_prefix%.tar.xz}" ;;
*)
err "'$archive': could not detect board type"
esac; :
}
check_target()
{
if [ "$board" = "serprog_rp2040" ] || [ "$board" = "serprog_stm32" ] \
|| [ "$board" = "serprog_pico" ]; then
return 1
fi
boarddir="$cbcfgsdir/$board"
eval "`setcfg "$boarddir/target.cfg"`"
chkvars tree && x_ ./mk -d coreboot "$tree"
ifdtool="elf/ifdtool/$tree/ifdtool"
[ -n "$IFD_platform" ] && ifdprefix="-p $IFD_platform"; :
}
patch_release()
{
has_hashes="n"
tmpromdir="$tmpromdel/bin/$board"
remkdir "${tmpromdir%"/bin/$board"}"
x_ tar -xf "$archive" -C "${tmpromdir%"/bin/$board"}"
for _hashes in $hashfiles; do
e "$tmpromdir/$_hashes" f && err \
"'$archive': vendorfile insertion unsupported"
done
readkconfig || exit 0
[ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ] && modify_mac; :
}
readkconfig()
{
x_ rm -f "$xbmktmp/cbcfg"
fx_ scankconfig x_ find "$boarddir/config" -type f
eval "`setcfg "$xbmktmp/cbcfg" 1`"
}
scankconfig()
{
for cbc in $cv; do
grep "$cbc" "$1" 1>>"$xbmktmp/cbcfg" 2>/dev/null || :
done
}
modify_mac()
{
x_ cp "${CONFIG_GBE_BIN_PATH##*../}" "$xbmklocal/gbe"
[ -n "$new_mac" ] && [ "$new_mac" != "restore" ] && \
x_ "$nvm" "$xbmklocal/gbe" setmac "$new_mac"
fx_ newmac x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
}
newmac()
{
e "$1" f && xchanged="y" && x_ \
"$ifdtool" $ifdprefix -i GbE:"$xbmklocal/gbe" "$1" -O "$1"; :
}
remktar()
{
(
x_ cd "${tmpromdir%"/bin/$board"}"
mkrom_tarball "bin/$board"
) || err "Cannot re-generate '$archive'"
mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \
"$archive" || err "'$archive' -> Can't overwrite"; :
}