From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4C18A470438; Wed, 22 Jul 2026 07:42:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784706177; cv=none; b=lkRscMWN48j5vSmz5jzDRYVue4WhDhgvUUT1ru1M1zqzKhUuiyHU4iP7Hzhv3T8x1WQNg62uQ8ZhuGK5BNyI3FHex+dRx1JZR1L4kuMQ/rxNoMbOuUEPDDHlbmLFROn+Bjj8S6cpHDZqIrvSWwPO9GRjfia8WSkJoZtqgrMi4zc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784706177; c=relaxed/simple; bh=etB1t/Jsz/3VAMQWA59DJSYR3ZvZWtHnl2p9vlqiIB0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PovQGLcHGMQGjFxXxftBPzu8RMwpqKN9arV2St9cvh2vlq21gfsLQuYlYAyHKnbzFTF8TEUQxCbNT35vgb5MIxfiAh+GJpjhBqLOTTIJNInAJC+vx7aWZwyGVxMMWaS3GVbD/G8f95kiPTB5CSQtZuwim+89kr180J93fYf6eao= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WExykvXJ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WExykvXJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A0A81F00AC4; Wed, 22 Jul 2026 07:42:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784706176; bh=AAaWVXp7htB6pd1cjG1QCcAG4F8gffJDPJKffSqmwRI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WExykvXJO/7dwIQyy+HhxJwZ9vCm77VxMR+nSLr6QZ5b12/UAkuNffJR/tO+9WJPx 8dqvmeU1bdN3L4e2/6Gc3PC6It40MBJS47vrcUL5HqkM3Y79eUQWB+HVUIFATCiUP8 9iE72x9UZJI1m7a1rU83sI3SSud2t6ppU7N1MdO7OzBLsoldk1HvzIesIM+4AhXT0s b1c8X+HtcIk+e2yErOUua668InnZ+RjlpAIw7fwJl1UNUJRKAF3LfdbBm4IYUVah38 v1VEQOoJ6HKWKzEOcEx+gOBi4b0GME0hfmtFFF94ZRJ71VSSayxgLGUMfhrUntajaG iMuHSnkW4KNig== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wmRbR-00000007VfN-3jpJ; Wed, 22 Jul 2026 07:42:53 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Steffen Eiden , Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Yao Yuan , Wei-Lin Chang Subject: [PATCH v3 01/28] arm64: sysreg: Emit RESx/UNKN values for Mapping/Fields definitions Date: Wed, 22 Jul 2026 08:42:07 +0100 Message-ID: <20260722074234.3330999-2-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260722074234.3330999-1-maz@kernel.org> References: <20260722074234.3330999-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, seiden@linux.ibm.com, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, yaoyuan@linux.alibaba.com, weilin.chang@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false The sysreg file is using the Mapping or Fields qualifiers to indicate that a given encoding is only a mapping to a particular register (or an instance of a more generic register definition). As a result, we don't output any definition, and instead expect the canonical definitions to be used. This works rather well for individual fields, but creates problems for macros that refer to more generic classes of bits such as RESx. Relax the above rule by emitting the RESx and UNKN values for Mapping and Fields qualifiers as well. Signed-off-by: Marc Zyngier --- arch/arm64/tools/gen-sysreg.awk | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/tools/gen-sysreg.awk b/arch/arm64/tools/gen-sysreg.awk index 86860ab672dc7..e099f7d3b2833 100755 --- a/arch/arm64/tools/gen-sysreg.awk +++ b/arch/arm64/tools/gen-sysreg.awk @@ -228,7 +228,7 @@ $1 == "EndSysreg" && block_current() == "Sysreg" { } # Currently this is effectivey a comment, in future we may want to emit -# defines for the fields. +# defines for the fields. "Mapping" does emit the RESx/UNKN definitions. ($1 == "Fields" || $1 == "Mapping") && block_current() == "Sysreg" { expect_fields(2) @@ -239,9 +239,9 @@ $1 == "EndSysreg" && block_current() == "Sysreg" { print "" next_bit = -1 - res0 = null - res1 = null - unkn = null + res0 = $2 "_RES0" + res1 = $2 "_RES1" + unkn = $2 "_UNKN" next } -- 2.47.3