From patchwork Thu Jan 10 12:45:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 210989 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6E1332C0345 for ; Thu, 10 Jan 2013 23:45:26 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754362Ab3AJMpU (ORCPT ); Thu, 10 Jan 2013 07:45:20 -0500 Received: from cantor2.suse.de ([195.135.220.15]:38952 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753849Ab3AJMpS (ORCPT ); Thu, 10 Jan 2013 07:45:18 -0500 Received: from relay1.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 3E59EA4FFA; Thu, 10 Jan 2013 13:45:17 +0100 (CET) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: KVM list Subject: [PATCH 6/8] KVM: PPC: BookE: Emulate mfspr on EPR Date: Thu, 10 Jan 2013 13:45:10 +0100 Message-Id: <1357821912-24922-7-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1357821912-24922-1-git-send-email-agraf@suse.de> References: <1357821912-24922-1-git-send-email-agraf@suse.de> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org The EPR register is potentially valid for PR KVM as well, so we need to emulate accesses to it. It's only defined for reading, so only handle the mfspr case. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/booke_emulate.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c index 4685b8c..27a4b28 100644 --- a/arch/powerpc/kvm/booke_emulate.c +++ b/arch/powerpc/kvm/booke_emulate.c @@ -269,6 +269,9 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) case SPRN_ESR: *spr_val = vcpu->arch.shared->esr; break; + case SPRN_EPR: + *spr_val = vcpu->arch.epr; + break; case SPRN_CSRR0: *spr_val = vcpu->arch.csrr0; break;