From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Graf Date: Tue, 09 Aug 2011 16:31:46 +0000 Subject: [PATCH 08/10] KVM: PPC: Stub emulate CFAR and PURR SPRs Message-Id: <1312907508-14599-9-git-send-email-agraf@suse.de> List-Id: References: <1312907508-14599-1-git-send-email-agraf@suse.de> In-Reply-To: <1312907508-14599-1-git-send-email-agraf@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-ppc@vger.kernel.org Cc: linuxppc-dev@ozlabs.org, kvm@vger.kernel.org, paulus@samba.org Recent Linux versions use the CFAR and PURR SPRs, but don't really care about their contents (yet). So for now, we can simply return 0 when the guest wants to read them. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/book3s_emulate.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index bf0ddcd..0c9dc62 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -473,6 +473,10 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) case SPRN_HID5: kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]); break; + case SPRN_CFAR: + case SPRN_PURR: + kvmppc_set_gpr(vcpu, rt, 0); + break; case SPRN_GQR0: case SPRN_GQR1: case SPRN_GQR2: -- 1.6.0.2