From nobody Mon Jan 26 09:19:07 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1768538135; cv=none; d=zohomail.com; s=zohoarc; b=Aw3VJ5slxsEjZvua2UX/gvGSMsGFPrpBNw0UIUVdJQQuX/8m2WVigXPSF0e/CBz4JU/vMudn581roVGJSbaYdtdvLHbvWu0TiyG1xjG3Bj6tKXu523WjQmmlYi7pQX/nB7pVmpsLB2d4ZlTyyRIZFTWkmiVO5Zgx3sQUbaoDe24= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1768538135; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=kh21T0kKV5XodX2DHwO7OSuhQ97nSlNN542UIGS2Vhw=; b=PxXlSLRXLpsILOFbC/OLFkf+W1akKp/Q+V0TbetNUkEXJW3ETTeenYX6KIue8sGw8KsWDNkDUdC/0f2yAZGjJLZmTXJDkEXLg60baNPM6Gh/dKZX6i/uDxfnRhnE8/Ssj+V6cw3pR0N9sLTG/PnSpvbNGrXl2D0AU49/NhWx6vE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1768538135950769.4367449556115; Thu, 15 Jan 2026 20:35:35 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.1206119.1519846 (Exim 4.92) (envelope-from ) id 1vgbYC-0005Rc-Ba; Fri, 16 Jan 2026 04:35:08 +0000 Received: by outflank-mailman (output) from mailman id 1206119.1519846; Fri, 16 Jan 2026 04:35:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vgbYC-0005RV-8p; Fri, 16 Jan 2026 04:35:08 +0000 Received: by outflank-mailman (input) for mailman id 1206119; Fri, 16 Jan 2026 04:35:06 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vgbYA-0005E6-Pc for xen-devel@lists.xenproject.org; Fri, 16 Jan 2026 04:35:06 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.96) (envelope-from ) id 1vgbYA-006Cye-1i; Fri, 16 Jan 2026 04:35:06 +0000 Received: from [19.12.91.86] (helo=localhost) by xenbits.xenproject.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vgbY9-005RC1-2y; Fri, 16 Jan 2026 04:35:06 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From; bh=kh21T0kKV5XodX2DHwO7OSuhQ97nSlNN542UIGS2Vhw=; b=Afvnp0XjZ2mG+CkbS9x0iACoZK PrjKPb+/yXNdGNStzyPTn2w4WngrnRlVenv07LA9PZnmeYOC1UHdWiHHO4xPuAPrY1oMX8AaXOm4K TPiU4fBJWOH/hm847E7n+bq+Sa70rAyccAXyYkF0KANFxIDaLckjrfPXoV4QhEkDd6Eo=; From: dmukhin@xen.org To: xen-devel@lists.xenproject.org Cc: andrew.cooper3@citrix.com, anthony.perard@vates.tech, jbeulich@suse.com, julien@xen.org, michal.orzel@amd.com, roger.pau@citrix.com, sstabellini@kernel.org, dmukhin@ford.com Subject: [PATCH v1 1/4] scripts/config: import Kconfig manipulation tool from Linux Date: Thu, 15 Jan 2026 20:34:55 -0800 Message-ID: <20260116043458.730728-2-dmukhin@ford.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260116043458.730728-1-dmukhin@ford.com> References: <20260116043458.730728-1-dmukhin@ford.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @xen.org) X-ZM-MESSAGEID: 1768538137780158500 Content-Type: text/plain; charset="utf-8" From: Denis Mukhin =20 Manipulating Kconfig settings is often required when preparing a custom Xen build using an external build system (e.g., a Yocto-based workflow). Import the Kconfig manipulation tool from the Linux kernel (commit 0f61b1860cc3, Linux v6.19-rc5) to support this use case. Signed-off-by: Denis Mukhin Acked-by: Stefano Stabellini --- xen/scripts/config | 236 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100755 xen/scripts/config diff --git a/xen/scripts/config b/xen/scripts/config new file mode 100755 index 000000000000..ea475c07de28 --- /dev/null +++ b/xen/scripts/config @@ -0,0 +1,236 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 +# Manipulate options in a .config file from the command line + +myname=3D${0##*/} + +# If no prefix forced, use the default CONFIG_ +CONFIG_=3D"${CONFIG_-CONFIG_}" + +# We use an uncommon delimiter for sed substitutions +SED_DELIM=3D$(echo -en "\001") + +usage() { + cat >&2 <"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +txt_subst() { + local before=3D"$1" + local after=3D"$2" + local infile=3D"$3" + local tmpfile=3D"$infile.swp" + + sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfil= e" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +txt_delete() { + local text=3D"$1" + local infile=3D"$2" + local tmpfile=3D"$infile.swp" + + sed -e "/$text/d" "$infile" >"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +set_var() { + local name=3D$1 new=3D$2 before=3D$3 + + name_re=3D"^($name=3D|# $name is not set)" + before_re=3D"^($before=3D|# $before is not set)" + if test -n "$before" && grep -Eq "$before_re" "$FN"; then + txt_append "^$before=3D" "$new" "$FN" + txt_append "^# $before is not set" "$new" "$FN" + elif grep -Eq "$name_re" "$FN"; then + txt_subst "^$name=3D.*" "$new" "$FN" + txt_subst "^# $name is not set" "$new" "$FN" + else + echo "$new" >>"$FN" + fi +} + +undef_var() { + local name=3D$1 + + txt_delete "^$name=3D" "$FN" + txt_delete "^# $name is not set" "$FN" +} + +FN=3D.config +CMDS=3D() +while [[ $# -gt 0 ]]; do + if [ "$1" =3D "--file" ]; then + if [ "$2" =3D "" ]; then + usage + fi + FN=3D"$2" + shift 2 + else + CMDS+=3D("$1") + shift + fi +done + +set -- "${CMDS[@]}" +if [ "$1" =3D "" ] ; then + usage +fi + +MUNGE_CASE=3Dyes +while [ "$1" !=3D "" ] ; do + CMD=3D"$1" + shift + case "$CMD" in + --keep-case|-k) + MUNGE_CASE=3Dno + continue + ;; + --refresh) + ;; + --*-after|-E|-D|-M) + checkarg "$1" + A=3D$ARG + checkarg "$2" + B=3D$ARG + shift 2 + ;; + -*) + checkarg "$1" + shift + ;; + esac + case "$CMD" in + --enable|-e) + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=3Dy" + ;; + + --disable|-d) + set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set" + ;; + + --module|-m) + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=3Dm" + ;; + + --set-str) + # sed swallows one level of escaping, so we need double-escaping + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=3D\"${1//\"/\\\\\"}\"" + shift + ;; + + --set-val) + set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=3D$1" + shift + ;; + --undefine|-u) + undef_var "${CONFIG_}$ARG" + ;; + + --state|-s) + if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then + echo n + else + V=3D"$(grep "^${CONFIG_}$ARG=3D" $FN)" + if [ $? !=3D 0 ] ; then + echo undef + else + V=3D"${V/#${CONFIG_}$ARG=3D/}" + V=3D"${V/#\"/}" + V=3D"${V/%\"/}" + V=3D"${V//\\\"/\"}" + echo "${V}" + fi + fi + ;; + + --enable-after|-E) + set_var "${CONFIG_}$B" "${CONFIG_}$B=3Dy" "${CONFIG_}$A" + ;; + + --disable-after|-D) + set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A" + ;; + + --module-after|-M) + set_var "${CONFIG_}$B" "${CONFIG_}$B=3Dm" "${CONFIG_}$A" + ;; + + --refresh) + yes "" | make oldconfig KCONFIG_CONFIG=3D$FN + ;; + + *) + echo "bad command: $CMD" >&2 + usage + ;; + esac +done --=20 2.52.0