From patchwork Thu Oct 11 16:13:23 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mihai Caraman X-Patchwork-Id: 190948 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id 6FBC82C0779 for ; Fri, 12 Oct 2012 03:18:01 +1100 (EST) Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe004.messaging.microsoft.com [216.32.181.184]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id A9DC62C0330 for ; Fri, 12 Oct 2012 03:14:23 +1100 (EST) Received: from mail201-ch1-R.bigfish.com (10.43.68.225) by CH1EHSOBE002.bigfish.com (10.43.70.52) with Microsoft SMTP Server id 14.1.225.23; Thu, 11 Oct 2012 16:14:18 +0000 Received: from mail201-ch1 (localhost [127.0.0.1]) by mail201-ch1-R.bigfish.com (Postfix) with ESMTP id B461E180085 for ; Thu, 11 Oct 2012 16:14:18 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1202h1d1ah1d2ahzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1155h) Received: from mail201-ch1 (localhost.localdomain [127.0.0.1]) by mail201-ch1 (MessageSwitch) id 134997205778937_24782; Thu, 11 Oct 2012 16:14:17 +0000 (UTC) Received: from CH1EHSMHS006.bigfish.com (snatpool2.int.messaging.microsoft.com [10.43.68.230]) by mail201-ch1.bigfish.com (Postfix) with ESMTP id 1008A3A00C1 for ; Thu, 11 Oct 2012 16:14:17 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CH1EHSMHS006.bigfish.com (10.43.70.6) with Microsoft SMTP Server (TLS) id 14.1.225.23; Thu, 11 Oct 2012 16:14:13 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-005.039d.mgd.msft.net (10.84.1.17) with Microsoft SMTP Server (TLS) id 14.2.309.3; Thu, 11 Oct 2012 16:14:12 +0000 Received: from mcaraman-VirtualBox.ea.freescale.net ([10.213.130.145]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id q9BGEBg8028133 for ; Thu, 11 Oct 2012 09:14:12 -0700 Received: from mcaraman-VirtualBox.ea.freescale.net (localhost [127.0.0.1]) by mcaraman-VirtualBox.ea.freescale.net (8.14.4/8.14.4/Debian-2ubuntu1) with ESMTP id q9BGE93R023099; Thu, 11 Oct 2012 19:14:09 +0300 Received: (from mcaraman@localhost) by mcaraman-VirtualBox.ea.freescale.net (8.14.4/8.14.4/Submit) id q9BGE9O0023098; Thu, 11 Oct 2012 19:14:09 +0300 From: Mihai Caraman To: Subject: [PATCH 06/12] KVM: PPC: Mask ea's high 32-bits in 32/64 instr emulation Date: Thu, 11 Oct 2012 19:13:23 +0300 Message-ID: <1349972009-23027-7-git-send-email-mihai.caraman@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1349972009-23027-1-git-send-email-mihai.caraman@freescale.com> References: <1349972009-23027-1-git-send-email-mihai.caraman@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.net Cc: Mihai Caraman , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Mask high 32 bits of effective address in emulation layer for guests running in 32-bit mode. Signed-off-by: Mihai Caraman --- v1: added BOOK3S implementation. arch/powerpc/include/asm/kvm_ppc.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index a08e756..4a3fdbd 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -296,11 +296,21 @@ static inline void kvmppc_lazy_ee_enable(void) static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb) { ulong ea; + ulong msr_64bit = 0; ea = kvmppc_get_gpr(vcpu, rb); if (ra) ea += kvmppc_get_gpr(vcpu, ra); +#if defined(CONFIG_PPC_BOOK3E_64) + msr_64bit = MSR_CM; +#elif defined(CONFIG_PPC_BOOK3S_64) + msr_64bit = MSR_SF; +#endif + + if (!(vcpu->arch.shared->msr & msr_64bit)) + ea = (uint32_t)ea; + return ea; }