From patchwork Wed Jul 31 19:40:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 13749129 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 42981C3DA64 for ; Wed, 31 Jul 2024 19:42:38 +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=4rkShtQa58Ih/xS7UsPclft8HGnIDxF3V0dg8Kj+WyA=; b=HUOvLAPV1G63qX8eHRZXaWbDN2 Ytgx33VDzRSLolXL83riUUUDJc5jFFM5p78BXBAJFLMTT/Nhaiqv/NoLPursjrLzWLN6Za5cGzvYR 8bcw8kKRlhTbHYfqlbxt+I59Wbn+nuyefGiClLyjYvpTHZDA7BwzBEnTudIdZLlulD2CofiUSi0Ja zzPKf3IeKUBPC8qxU11SgtXvcFVZbLvVstbVp5hKm3wiLYQX+mF07MeXhx9T0x/nOkrwh9Kxvvn33 T4zqjX0ZCiS9CZaBgXyYwXFCgLiN1zbiMJG4Qu17rPLe/RNXzc5UEIt9nxxvA70fjwzGpYG42oBZ4 ufpLrBtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZFDN-00000002KPl-3MwR; Wed, 31 Jul 2024 19:42:25 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZFBw-00000002JgM-30j8 for linux-arm-kernel@lists.infradead.org; Wed, 31 Jul 2024 19:40:58 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id CC85462606; Wed, 31 Jul 2024 19:40:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EA34C4AF0C; Wed, 31 Jul 2024 19:40:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722454855; bh=N1dfuCYFccAOdWqTfVzbuHnh1OCX3eKrk8hFfdOBjwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J3FwwANk50ryQFoggFcCZvaoLcG6w0iF9A95GuI0uPwaMyUn0Yd/g4+PqTiFSvmLw 0Rypku8bQP9d+YUZdROW/SqX3+GDke6HejDl1/Q0AGv2z0kz9Jf10/aDMIi7VlZ+dQ MiU5HtbLWVedfA4/6ry3pBuh1YKu73WWNWS9MDH7dcC6oOJTSZNjM78o7ALxnQPpHT FebbLeoPK/zTFR8Kf/ArsfX+rip6+rMb7l0NK/MtEGygA/wy3am5WHI0rA+YdaVndP GS9xw7nV6nUsbISrgjpwNMEG7beu0YNcz706UIO27mRnTKqsZ05q50lqbKc6gJ5IW2 fWnGScAVi2/Hg== 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 4.95) (envelope-from ) id 1sZFBt-00H6Gh-Aa; Wed, 31 Jul 2024 20:40:53 +0100 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Joey Gouly , Alexandru Elisei , Anshuman Khandual , Przemyslaw Gaj Subject: [PATCH v2 02/17] arm64: Add PAR_EL1 field description Date: Wed, 31 Jul 2024 20:40:15 +0100 Message-Id: <20240731194030.1991237-3-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240731194030.1991237-1-maz@kernel.org> References: <20240731194030.1991237-1-maz@kernel.org> MIME-Version: 1.0 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, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, joey.gouly@arm.com, alexandru.elisei@arm.com, anshuman.khandual@arm.com, pgaj@cadence.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-20240731_124056_842044_26258822 X-CRM114-Status: GOOD ( 10.64 ) 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 As KVM is about to grow a full emulation for the AT instructions, add the layout of the PAR_EL1 register in its non-D128 configuration. Note that the constants are a bit ugly, as the register has two layouts, based on the state of the F bit. Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/sysreg.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 4a9ea103817e..d9d5e07f768d 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -325,7 +325,25 @@ #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) #define SYS_PAR_EL1_F BIT(0) +/* When PAR_EL1.F == 1 */ #define SYS_PAR_EL1_FST GENMASK(6, 1) +#define SYS_PAR_EL1_PTW BIT(8) +#define SYS_PAR_EL1_S BIT(9) +#define SYS_PAR_EL1_AssuredOnly BIT(12) +#define SYS_PAR_EL1_TopLevel BIT(13) +#define SYS_PAR_EL1_Overlay BIT(14) +#define SYS_PAR_EL1_DirtyBit BIT(15) +#define SYS_PAR_EL1_F1_IMPDEF GENMASK_ULL(63, 48) +#define SYS_PAR_EL1_F1_RES0 (BIT(7) | BIT(10) | GENMASK_ULL(47, 16)) +#define SYS_PAR_EL1_RES1 BIT(11) +/* When PAR_EL1.F == 0 */ +#define SYS_PAR_EL1_SH GENMASK_ULL(8, 7) +#define SYS_PAR_EL1_NS BIT(9) +#define SYS_PAR_EL1_F0_IMPDEF BIT(10) +#define SYS_PAR_EL1_NSE BIT(11) +#define SYS_PAR_EL1_PA GENMASK_ULL(51, 12) +#define SYS_PAR_EL1_ATTR GENMASK_ULL(63, 56) +#define SYS_PAR_EL1_F0_RES0 (GENMASK_ULL(6, 1) | GENMASK_ULL(55, 52)) /*** Statistical Profiling Extension ***/ #define PMSEVFR_EL1_RES0_IMP \