From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932938Ab0BPKi2 (ORCPT ); Tue, 16 Feb 2010 05:38:28 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59375 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932822Ab0BPKfl (ORCPT ); Tue, 16 Feb 2010 05:35:41 -0500 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 22/38] KVM: PPC E500: Add register l1csr0 emulation Date: Tue, 16 Feb 2010 12:35:20 +0200 Message-Id: <1266316536-28936-23-git-send-email-avi@redhat.com> In-Reply-To: <1266316536-28936-1-git-send-email-avi@redhat.com> References: <1266316536-28936-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Liu Yu Latest kernel start to access l1csr0 to contron L1. We just tell guest no operation is on going. Signed-off-by: Liu Yu Acked-by: Alexander Graf Signed-off-by: Marcelo Tosatti --- arch/powerpc/include/asm/kvm_e500.h | 1 + arch/powerpc/kvm/e500_emulate.c | 6 ++++++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h index 9d497ce..569dfd3 100644 --- a/arch/powerpc/include/asm/kvm_e500.h +++ b/arch/powerpc/include/asm/kvm_e500.h @@ -52,6 +52,7 @@ struct kvmppc_vcpu_e500 { u32 mas5; u32 mas6; u32 mas7; + u32 l1csr0; u32 l1csr1; u32 hid0; u32 hid1; diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c index 7644f7a..95f8ec8 100644 --- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c @@ -99,6 +99,10 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) vcpu_e500->mas6 = spr_val; break; case SPRN_MAS7: vcpu_e500->mas7 = spr_val; break; + case SPRN_L1CSR0: + vcpu_e500->l1csr0 = spr_val; + vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC); + break; case SPRN_L1CSR1: vcpu_e500->l1csr1 = spr_val; break; case SPRN_HID0: @@ -179,6 +183,8 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) break; } + case SPRN_L1CSR0: + kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break; case SPRN_L1CSR1: kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break; case SPRN_HID0: -- 1.6.5.3