From patchwork Tue Feb 16 10:35:22 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 79597 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o1GAcxCX017958 for ; Tue, 16 Feb 2010 10:39:00 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932824Ab0BPKiJ (ORCPT ); Tue, 16 Feb 2010 05:38:09 -0500 Received: from mx1.redhat.com ([209.132.183.28]:20733 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932821Ab0BPKfl (ORCPT ); Tue, 16 Feb 2010 05:35:41 -0500 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o1GAZe7p002882 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 16 Feb 2010 05:35:40 -0500 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx03.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o1GAZdhr022460; Tue, 16 Feb 2010 05:35:40 -0500 Received: from localhost.localdomain (file.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id 0DBD6250AE8; Tue, 16 Feb 2010 12:35:37 +0200 (IST) From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 24/38] KVM: PPC E500: fix tlbcfg emulation Date: Tue, 16 Feb 2010 12:35:22 +0200 Message-Id: <1266316536-28936-25-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> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.16 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 16 Feb 2010 10:39:00 +0000 (UTC) diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h index 569dfd3..7fea26f 100644 --- a/arch/powerpc/include/asm/kvm_e500.h +++ b/arch/powerpc/include/asm/kvm_e500.h @@ -56,6 +56,8 @@ struct kvmppc_vcpu_e500 { u32 l1csr1; u32 hid0; u32 hid1; + u32 tlb0cfg; + u32 tlb1cfg; struct kvm_vcpu vcpu; }; diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c index 95f8ec8..8e3edfb 100644 --- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c @@ -164,25 +164,9 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break; case SPRN_TLB0CFG: - { - ulong tmp = SPRN_TLB0CFG; - - tmp &= ~0xfffUL; - tmp |= vcpu_e500->guest_tlb_size[0]; - kvmppc_set_gpr(vcpu, rt, tmp); - break; - } - + kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break; case SPRN_TLB1CFG: - { - ulong tmp = SPRN_TLB1CFG; - - tmp &= ~0xfffUL; - tmp |= vcpu_e500->guest_tlb_size[1]; - kvmppc_set_gpr(vcpu, rt, tmp); - break; - } - + kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break; case SPRN_L1CSR0: kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break; case SPRN_L1CSR1: diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index 6a7fc01..0d772e6 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -728,6 +728,12 @@ int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *vcpu_e500) if (vcpu_e500->shadow_pages[1] == NULL) goto err_out_page0; + /* Init TLB configuration register */ + vcpu_e500->tlb0cfg = mfspr(SPRN_TLB0CFG) & ~0xfffUL; + vcpu_e500->tlb0cfg |= vcpu_e500->guest_tlb_size[0]; + vcpu_e500->tlb1cfg = mfspr(SPRN_TLB1CFG) & ~0xfffUL; + vcpu_e500->tlb1cfg |= vcpu_e500->guest_tlb_size[1]; + return 0; err_out_page0: