From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 571BAC71157 for ; Tue, 17 Jun 2025 15:59:36 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uRYf7-0002u8-Co; Tue, 17 Jun 2025 11:55:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uRYQt-0006Tv-0G for qemu-devel@nongnu.org; Tue, 17 Jun 2025 11:41:11 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uRYQq-0005iK-Vk for qemu-devel@nongnu.org; Tue, 17 Jun 2025 11:41:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750174863; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YvlwFYdrmYZ5pBPrt5fnuh8VXecITqSPvDABKFjWw0w=; b=LUYKfy79OpUiVeVOiPjN5HrCLfuzC4Rp9nC4yJxbnfomOqNHmr9hbIsjtu43nkpxkviv9K IrwTEbA/IFTT2vnrfX0d5Us+T/CoHeMcgUVHa85NSM5DkIgxTx42K/kUvKOIj+ksQPDPZ0 y0gByix+6X2rMpqlGfPL33lEuoZjG14= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-463-ukgekzDbOOW4TRqhwIM9dQ-1; Tue, 17 Jun 2025 11:41:02 -0400 X-MC-Unique: ukgekzDbOOW4TRqhwIM9dQ-1 X-Mimecast-MFC-AGG-ID: ukgekzDbOOW4TRqhwIM9dQ_1750174860 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D32711956068; Tue, 17 Jun 2025 15:40:59 +0000 (UTC) Received: from gondolin.str.redhat.com (pixel-6a.str.redhat.com [10.33.192.205]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id DCDCD180045B; Tue, 17 Jun 2025 15:40:53 +0000 (UTC) From: Cornelia Huck To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, kvmarm@lists.linux.dev, peter.maydell@linaro.org, richard.henderson@linaro.org, alex.bennee@linaro.org, maz@kernel.org, oliver.upton@linux.dev, sebott@redhat.com, shameerali.kolothum.thodi@huawei.com, armbru@redhat.com, berrange@redhat.com, abologna@redhat.com, jdenemar@redhat.com, agraf@csgraf.de Cc: shahuang@redhat.com, mark.rutland@arm.com, philmd@linaro.org, pbonzini@redhat.com, Cornelia Huck Subject: [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts Date: Tue, 17 Jun 2025 17:39:29 +0200 Message-ID: <20250617153931.1330449-13-cohuck@redhat.com> In-Reply-To: <20250617153931.1330449-1-cohuck@redhat.com> References: <20250617153931.1330449-1-cohuck@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.129.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.89, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Eric Auger Introduce scripts that automate the generation of system register definitions from a given linux source tree arch/arm64/tools/sysreg. Invocation of ./update-aarch64-sysreg-code.sh $PATH_TO_LINUX_SOURCE_TREE in scripts directory generates target/arm/cpu-sysregs.h.inc containing defines for all system registers. [CH: update to handle current kernel sysregs structure, and to emit the re-worked register structures; cpu properties will be added later] Reviewed-by: Sebastian Ott Signed-off-by: Eric Auger Signed-off-by: Cornelia Huck --- MAINTAINERS | 1 + scripts/arm-gen-cpu-sysregs-header.awk | 37 ++++++++++++++++++++++++++ scripts/update-aarch64-sysreg-code.sh | 32 ++++++++++++++++++++++ 3 files changed, 70 insertions(+) create mode 100755 scripts/arm-gen-cpu-sysregs-header.awk create mode 100755 scripts/update-aarch64-sysreg-code.sh diff --git a/MAINTAINERS b/MAINTAINERS index 28b3dd2684b4..01334cb93ca1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -443,6 +443,7 @@ M: Peter Maydell L: qemu-arm@nongnu.org S: Maintained F: target/arm/kvm.c +F: scripts/*-sysreg* MIPS KVM CPUs M: Huacai Chen diff --git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk new file mode 100755 index 000000000000..f92bbbafa727 --- /dev/null +++ b/scripts/arm-gen-cpu-sysregs-header.awk @@ -0,0 +1,37 @@ +#!/bin/awk -f +# SPDX-License-Identifier: GPL-2.0-or-later +# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator +# +# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg + +BEGIN { + print "/* SPDX-License-Identifier: GPL-2.0-or-later */" + print "/* GENERATED FILE, DO NOT EDIT */" + print "/* use arm-gen-cpu-sysregs-header.awk to regenerate */" +} END { + print "" +} + +# skip blank lines and comment lines +/^$/ { next } +/^[\t ]*#/ { next } + +/^Sysreg\t/ || /^Sysreg /{ + + reg = $2 + op0 = $3 + op1 = $4 + crn = $5 + crm = $6 + op2 = $7 + + if (op0 == 3 && (op1==0 || op1==1 || op1==3) && crn==0 && (crm>=0 && crm<=7) && (op2>=0 && op2<=7)) { + print "DEF("reg", "op0", "op1", "crn", "crm", "op2")" + } + next +} + +{ + /* skip all other lines */ + next +} diff --git a/scripts/update-aarch64-sysreg-code.sh b/scripts/update-aarch64-sysreg-code.sh new file mode 100755 index 000000000000..7bba0bcd6f66 --- /dev/null +++ b/scripts/update-aarch64-sysreg-code.sh @@ -0,0 +1,32 @@ +#!/bin/sh -e +# +# SPDX-License-Identifier: GPL-2.0-or-later +# Update target/arm/cpu-sysregs.h +# from a linux source tree (arch/arm64/tools/sysreg) +# +# Copyright Red Hat, Inc. 2024 +# +# Authors: +# Eric Auger +# + +scripts="$(dirname "$0")" +linux="$1" +output="$2" + +if [ -z "$linux" ] || ! [ -d "$linux" ]; then + cat << EOF +usage: update-aarch64-sysreg-code.sh LINUX_PATH [OUTPUT_PATH] + +LINUX_PATH Linux kernel directory to obtain the register definitions from +OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD) +EOF + exit 1 +fi + +if [ -z "$output" ]; then + output="$PWD" +fi + +awk -f $scripts/arm-gen-cpu-sysregs-header.awk \ + $linux/arch/arm64/tools/sysreg > $output/target/arm/cpu-sysregs.h.inc -- 2.49.0