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 70948D116EA for ; Sat, 29 Nov 2025 14:45:44 +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=DpW9e+Ojkglw6Yn+cDaEnfp5LV xBFMR6uC3Ib+X/gbL9Um1+JNilD2h7OW1D70QkBqRLiU1OI3T/wzok+xo81zhJjeGjBRSTlTCZNK6 wj+oh2gdzvP/lzSaKK6UX+JxRM0urJmQ1T2gSXGWHdRW81fWwNa6ywetC2kpfOjTdptmb/emgXWU+ d/gau0JnDYhnGHtQImkrRtrqm4nSMp2M29kSTK+IZryArCafFUD/eZV+O5GD0fNmNe7swh0eQyjN9 Cp8HRtxByhpQobJHkgoBVvg5Lx1rwFNYJnqMwo4PDk1peKb5DKJ8sOOfXzjZ1QircvHPTGDSguyCS AAdxIKaA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPMCc-00000001bfC-0MRx; Sat, 29 Nov 2025 14:45:34 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPMCa-00000001beS-0Mfs for linux-arm-kernel@lists.infradead.org; Sat, 29 Nov 2025 14:45:32 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 2BC6060120; Sat, 29 Nov 2025 14:45:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C086C113D0; Sat, 29 Nov 2025 14:45:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764427530; bh=J8YgpBDKoIkE30i8e29RJl8Adbc8Y+aT9MBBTzbD6IU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s5yIymrvlmrVZV10Kyo9oayMygRW0E5mnnRK13jq4+/1dlZaKWyhRghI6fcQF1AUh gIg70MuCIQXTFu48m61Iu4UQzzuklOVsdvjttpsHFr5h9+zACeGEKgr8EE3u35qsuV RwGhNeRVYqxXaXfZQJKelZyG4atkiLifG4OJToXb9dxMfux6OQPeuSnfK6hErz3LDx xF2eDDrL/oycQAR0Mpiu3IF9S8kQOAnjRUiyWi23d0Lgbhd8ifRMy9syzqEjtNqWv0 ccDx0jUjvgjVGAR9B5+0bs5yBxVqyU+yOkIMujGSYIsdx6UseN7OHZCZjXrcTzDT5L aE8NNQfziCHng== 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 1vPMCW-00000009HnQ-26an; Sat, 29 Nov 2025 14:45:28 +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 Subject: [PATCH 1/4] arm64: Convert ID_AA64MMFR0_EL1.TGRAN{4,16,64}_2 to UnsignedEnum Date: Sat, 29 Nov 2025 14:45:22 +0000 Message-ID: <20251129144525.2609207-2-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251129144525.2609207-1-maz@kernel.org> References: <20251129144525.2609207-1-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 X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false 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