From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 369FA205E0A for ; Wed, 26 Mar 2025 17:41:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743010873; cv=none; b=djiAVUQSOTNCiS90cCMKrlfJyd9OtQ51bWkn3KzQDV5RUKZch9uFQB+zQvGxv2/B/GMfv6lvCQw/Yf5Gv83XHUc8tQ9EFPFOFhanbrjzRdPfm0+LhgvOEREXoSktAG3B8jQQXninEdW2kfdVDOr8vepJMeoAglwTDOXYsUGLgWs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743010873; c=relaxed/simple; bh=RZn/pq69LN1MJ3pUeZqQ8364vnFA70wZnHrSfl2RfVA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=nkIhsD/97njv7c6ibGGfuStp3bcg0MTU0rHvr2Xu1NX/jbWr6n4EMhtRSoYoW9rpT1romBHR+7HRsvI9fzkEdZ4xOuzom//5Y5WrcrWuRMALX5wcPxr1Rtkn1mUMT8MEwvE9tDxaEK+0s8BnjfiQ5CNFrx3cqQtnqjlakwbZmKY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=EKsBbFQ1; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EKsBbFQ1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1743010871; 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=KhUgn4/7zQGJ2lgryJzEz6u4zhgrsTQVznT5OXMnSBY=; b=EKsBbFQ1GaepJ4NC5P3ZpKmjjb8a4OGLglGLJP6atGv0Is9EdTBKdSn3ju1UJWmmGmaM+Q OyK+TpcTLbx9yvFytmdFIwVE/PTvA7HNGXed3VgoMiSS6gkfhtp0WaQ/ul4WN74ImqoAd5 waAU1z1G9ED4PhEVaz58AqykMtAqujE= Received: from mx-prod-mc-03.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-477-CQ6NefqcPT2EHJBqF-lQYw-1; Wed, 26 Mar 2025 13:41:08 -0400 X-MC-Unique: CQ6NefqcPT2EHJBqF-lQYw-1 X-Mimecast-MFC-AGG-ID: CQ6NefqcPT2EHJBqF-lQYw_1743010866 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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E382A19560B0; Wed, 26 Mar 2025 17:41:05 +0000 (UTC) Received: from gondolin.redhat.com (unknown [10.67.24.38]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 04E6C180B489; Wed, 26 Mar 2025 17:40:50 +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 for-10.1 v4 12/13] arm/cpu: Add sysreg generation scripts Date: Wed, 26 Mar 2025 18:37:22 +0100 Message-ID: <20250326173723.389988-13-cohuck@redhat.com> In-Reply-To: <20250326173723.389988-1-cohuck@redhat.com> References: <20250326173723.389988-1-cohuck@redhat.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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 --- scripts/gen-cpu-sysregs-header.awk | 35 +++++++++++++++++++++++++++ scripts/update-aarch64-sysreg-code.sh | 25 +++++++++++++++++++ 2 files changed, 60 insertions(+) create mode 100755 scripts/gen-cpu-sysregs-header.awk create mode 100755 scripts/update-aarch64-sysreg-code.sh diff --git a/scripts/gen-cpu-sysregs-header.awk b/scripts/gen-cpu-sysregs-header.awk new file mode 100755 index 000000000000..b6b207e3c0fd --- /dev/null +++ b/scripts/gen-cpu-sysregs-header.awk @@ -0,0 +1,35 @@ +#!/bin/awk -f +# SPDX-License-Identifier: GPL-2.0 +# gen-cpu-sysregs-header.awk: arm64 sysreg header include generator +# +# Usage: awk -f gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg + +BEGIN { + print "" +} END { + print "" +} + +# skip blank lines and comment lines +/^$/ { next } +/^[\t ]*#/ { next } + +/^Sysreg\t/ || /^Sysreg /{ + + reg = $2 + op0 = $3 + op1 = $4 + crn = $5 + crm = $6 + op2 = $7 + + if (op0 == 3 && (op1>=0 && op1<=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..721f41a9a516 --- /dev/null +++ b/scripts/update-aarch64-sysreg-code.sh @@ -0,0 +1,25 @@ +#!/bin/sh -e +# +# Update target/arm/cpu-sysregs.h +# from a linux source tree (arch/arm64/tools/sysreg) +# +# Copyright Red Hat, Inc. 2024 +# +# Authors: +# Eric Auger +# + +linux="$1" +output="$PWD" + +if [ -z "$linux" ] || ! [ -d "$linux" ]; then + cat << EOF +usage: update-aarch64-sysreg-code.sh LINUX_PATH + +LINUX_PATH Linux kernel directory to obtain the headers from +EOF + exit 1 +fi + +awk -f gen-cpu-sysregs-header.awk \ + $linux/arch/arm64/tools/sysreg > ../target/arm/cpu-sysregs.h.inc -- 2.48.1