From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 6CEA724BC0B for ; Wed, 5 Mar 2025 16:42:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741192943; cv=none; b=Wk9pjA1CmYeZ2+hGOJKVq2LtL5QDsBq6zSipVhCLlwVmmmuteDd5RUupr/crxILkSKAIseZUzuTKa+Pgn7JSH+qg6UqhVELLhZNRuAhWdHTbzP+Z8nuetHqNr4oGtr7Q4MC6rr8bHPI6st7h1KK43YWJqmJKtobo01SAyUty81I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741192943; c=relaxed/simple; bh=6J90doyOefgqtm17seczzS8oOnwYQbaJNWiVUBXqZkQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=a3myUlwYdxqkU7+Wu9iaxI+ZrpKjiY3l9NcXTHd4Nu5W2R9xR78rzYzL7V/hu729rWdYQbWUU5VxdjB4SjLRRo92nInrD3DV6trfMBVPZ8aLh708Dt1niXpfOFzNpHi1McKixOL8kd240xIvMTTmnIKN30ua425eFeW/jFhf/ws= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=RUcL5ch+; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="RUcL5ch+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741192940; 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=FC4UbF4F42Zk1lANeuJySWt0Klm/3oNM+IlRRNUTvBc=; b=RUcL5ch+dszlSsjMlH1ijfiuWi6KiwItVUzXXJ8aKIVV4h9W8e8gWLBWrF2TLmkaPWlobJ A1qbPavQ5OdgtQet2aGPQD5QPw/sOr3MRqLn2ohCK1Jga+I2weCT4Xwa5Df5mMrHlrWj3b 8eZZKFbvUpoI/lY0BQwBdBUEeTcgYHM= Received: from mx-prod-mc-01.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-582-qvmy90P1N0O2c-gPkGuTHg-1; Wed, 05 Mar 2025 11:42:17 -0500 X-MC-Unique: qvmy90P1N0O2c-gPkGuTHg-1 X-Mimecast-MFC-AGG-ID: qvmy90P1N0O2c-gPkGuTHg_1741192935 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (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-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B449A1956050; Wed, 5 Mar 2025 16:42:14 +0000 (UTC) Received: from gondolin.redhat.com (unknown [10.67.24.9]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1E9621955DDE; Wed, 5 Mar 2025 16:41:59 +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 v2 13/14] arm/cpu: Add sysreg generation scripts Date: Wed, 5 Mar 2025 17:38:18 +0100 Message-ID: <20250305163819.2477553-14-cohuck@redhat.com> In-Reply-To: <20250305163819.2477553-1-cohuck@redhat.com> References: <20250305163819.2477553-1-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 3.0 on 10.30.177.15 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] Signed-off-by: Eric Auger Signed-off-by: Cornelia Huck --- scripts/gen-cpu-sysregs-header.awk | 70 +++++++++++++++++++++++++++ scripts/update-aarch64-sysreg-code.sh | 35 ++++++++++++++ 2 files changed, 105 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..27a222856a84 --- /dev/null +++ b/scripts/gen-cpu-sysregs-header.awk @@ -0,0 +1,70 @@ +#!/bin/awk -f +# SPDX-License-Identifier: GPL-2.0 +# gen-cpu-sysregs-header.awk: arm64 sysreg header generator +# +# Usage: awk -f gen-cpu-sysregs-header.awk -- -v structure=xxx $LINUX_PATH/arch/arm64/tools/sysreg +# where structure is one of "idx" "reg" "table" + +BEGIN { + print "" + if (structure == "idx") { + print "typedef enum ARMIDRegisterIdx {" + } + if (structure == "reg") { + print "typedef enum ARMSysRegs {" + } + if (structure == "table") { + print "static const uint32_t id_register_sysreg[NUM_ID_IDX] = {" + } +} END { + if (structure == "idx") { + print " NUM_ID_IDX," + print "} ARMIDRegisterIdx;" + } + if (structure == "reg") { + print "} ARMSysRegs;" + } + if (structure == "table") { + print "};" + } + print "" +} + +# skip blank lines and comment lines +/^$/ { 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)) { + idreg = 1 + } else { + idreg = 0 + } + + if (idreg) { + if (structure == "idx") { + print " "reg"_IDX," + } + if (structure == "reg") { + print " SYS_"reg" = ENCODE_ID_REG("op0", "op1", "crn", "crm", "op2")," + } + if (structure == "table") { + print " ["reg"_IDX] = SYS_"reg"," + } + } + + 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..01762c620556 --- /dev/null +++ b/scripts/update-aarch64-sysreg-code.sh @@ -0,0 +1,35 @@ +#!/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 + + cat <../target/arm/cpu-sysregs.h.inc +/* GENERATED FILE -- DO NOT EDIT */ +#ifndef ARCH_ARM_CPU_SYSREGS_H_INC +#define ARCH_ARM_CPU_SYSREGS_H_INC +EOF + +for structure in "idx" "reg" "table"; do + awk -f gen-cpu-sysregs-header.awk -v structure="$structure"\ + $linux/arch/arm64/tools/sysreg >> ../target/arm/cpu-sysregs.h.inc +done + +echo "#endif /* ARCH_ARM_CPU_SYSREGS_H_INC */" >> ../target/arm/cpu-sysregs.h.inc -- 2.48.1