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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D74B3D3C928 for ; Wed, 10 Dec 2025 17:30:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lLFiJTr/PkVr7rHKO2KwNJ/IBM0wSXjgLNXeCzLoIec=; b=X/NbaaRyDCuGhm0p6D+QJL69Qr B23aOnnY7rZ/k5+y79n4S1F9oQJ1oqXc0jT1uyO1uysobLSsAZAfggVkJya6QUMwl+M58HNMxzoWK A2q470dnyOMIVPVjnKB2QhIqyFirwArUCI5GNqc8zgTvq4xVUFda9LenBNeTBgFn1+v2AOz2DmH+D 0/mDVE7Uc/FGV3XNCz4QZDW2Fg+UQ+z9RPPVZY4y9VKKTFn9y2gqj2/Xqv0kla793wGFnr5+2btSg 7VA0kh8cszGLKIK2UEnG4Adx34r2IHoHUE6WcRICB1NGO+bZE5FCB+JY3FkyEOzVUVQmJKBP+GLHa yPHsZ77g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTO1P-0000000FhHx-3Sml; Wed, 10 Dec 2025 17:30:39 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTO1J-0000000FhDv-34gZ for linux-arm-kernel@lists.infradead.org; Wed, 10 Dec 2025 17:30:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id DFA71443F2; Wed, 10 Dec 2025 17:30:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5EE8C19421; Wed, 10 Dec 2025 17:30:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765387832; bh=J8YgpBDKoIkE30i8e29RJl8Adbc8Y+aT9MBBTzbD6IU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sSOo5WP6UKC9vcbq2TY4ukoOt5KHxAYPAv6WNjyJCfIP8kSQPVRYrH0hofInGlZrf 7/agm4ByI8aRY/ll+k7QHdWJuzHTXTXfF0w1COYNLfZhT/T7UU5/JccB58vqIhu5cI EtkyaHuVy2ng0vKa1C6XjnZZiZ4EpkySeeY7dx0l+6E8GR7lNhBm56zsSDYPohseTB JgyIJy69gA6m3MAEJuTrkDHc59znOoKvRPMMt/XuTovu+C0fSPhSQt7m+xJWiokghi 6PZkR5M0crLR17EEc7etzCiuwcqrNTzj5Xs3R8fLldQMyHHoa4foKRLfi2VqBt0A4L d2vekAW3SyUag== 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 1vTO1G-0000000BnnB-34Gm; Wed, 10 Dec 2025 17:30:30 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Alexandru Elisei , Sascha Bischoff , Quentin Perret , Fuad Tabba , Sebastian Ene Subject: [PATCH v2 2/6] arm64: Convert ID_AA64MMFR0_EL1.TGRAN{4,16,64}_2 to UnsignedEnum Date: Wed, 10 Dec 2025 17:30:20 +0000 Message-ID: <20251210173024.561160-3-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251210173024.561160-1-maz@kernel.org> References: <20251210173024.561160-1-maz@kernel.org> 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, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, alexandru.elisei@arm.com, Sascha.Bischoff@arm.com, qperret@google.com, tabba@google.com, sebastianene@google.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251210_093033_794997_6D1CAB24 X-CRM114-Status: GOOD ( 10.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org ID_AA64MMFR0_EL1.TGRAN{4,16,64}_2 are currently represented as unordered enumerations. However, the architecture treats them as Unsigned, as hinted to by the MRS data: (FEAT_S2TGran4K <=> (((UInt(ID_AA64MMFR0_EL1.TGran4_2) == 0) && FEAT_TGran4K) || (UInt(ID_AA64MMFR0_EL1.TGran4_2) >= 2)))) and similar descriptions exist for 16 and 64k. This is also confirmed by D24.1.3.3 ("Alternative ID scheme used for ID_AA64MMFR0_EL1 stage 2 granule sizes") in the L.b revision of the ARM ARM. Turn these fields into UnsignedEnum so that we can use the above description more or less literally. Signed-off-by: Marc Zyngier --- arch/arm64/tools/sysreg | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 1c6cdf9d54bba..9d388f87d9a13 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -2098,18 +2098,18 @@ UnsignedEnum 47:44 EXS 0b0000 NI 0b0001 IMP EndEnum -Enum 43:40 TGRAN4_2 +UnsignedEnum 43:40 TGRAN4_2 0b0000 TGRAN4 0b0001 NI 0b0010 IMP 0b0011 52_BIT EndEnum -Enum 39:36 TGRAN64_2 +UnsignedEnum 39:36 TGRAN64_2 0b0000 TGRAN64 0b0001 NI 0b0010 IMP EndEnum -Enum 35:32 TGRAN16_2 +UnsignedEnum 35:32 TGRAN16_2 0b0000 TGRAN16 0b0001 NI 0b0010 IMP -- 2.47.3