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vendor.sh: use pad/unpad functions

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2025-08-23 03:59:35 +01:00
parent 616ef52a6f
commit 7e6f52ec0a
1 changed files with 5 additions and 14 deletions
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include/vendor.sh
+5 -14
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@@ -292,25 +292,16 @@ prep()
[ -z "${_xromname#"$vfix"}" ] && err "$_xromname / $vfix: name match"
# Remove the prefix and 1-byte pad
if [ "$nuke" != "nuke" ] && \
[ "${_xromname#"$vfix"}" != "$_xromname" ]; then
xromsize="$(expr $(stat -c '%s' "$_xrom") - 1)" || err "!int"
[ $xromsize -lt 524288 ] && err "too small, $xromsize: $_xrom"
x_ dd if="$_xrom" of="$_xromnew" bs=$xromsize count=1
x_ rm -f "$_xrom"
_xrom="$_xromnew"
fi
[ "$nuke" != "nuke" ] && [ "${_xromname#"$vfix"}" != "$_xromname" ] \
&& unpad_one_byte "$_xrom" && x_ mv "$_xrom" "$_xromnew" \
&& _xrom="$_xromnew"
[ "$nuke" != "nuke" ] || ( mksha512 "$_xrom" "vendorhashes" ) || err
add_vfiles "$_xrom" || return 1 # if break return, can still change MAC
[ "$nuke" != "nuke" ] && return 0
# Rename the file, prefixing a warning saying not to flash
cat "$_xrom" config/data/coreboot/0 > "$_xromnew" || err "!pad $_xrom"
x_ rm -f "$_xrom"
[ "$nuke" = "nuke" ] && pad_one_byte "$_xrom" && x_ mv "$_xrom" \
"$_xromnew"; :
}
mksha512()