From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH 2/2] KVM: x86 emulator: implement MMX MOVQ (opcodes 0f 6f, 0f 7f) Date: Wed, 21 Mar 2012 20:40:22 +0200 Message-ID: <1332355222-30508-3-git-send-email-avi@redhat.com> References: <1332355222-30508-1-git-send-email-avi@redhat.com> To: kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:48297 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754371Ab2CUSkd (ORCPT ); Wed, 21 Mar 2012 14:40:33 -0400 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q2LIeXjr021241 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 21 Mar 2012 14:40:33 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q2LIeWPB005699 for ; Wed, 21 Mar 2012 14:40:32 -0400 In-Reply-To: <1332355222-30508-1-git-send-email-avi@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Needed by some framebuffer drivers. See https://bugzilla.kernel.org/show_bug.cgi?id=42779 Signed-off-by: Avi Kivity --- arch/x86/kvm/emulate.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 19aec76..5997513 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2929,6 +2929,12 @@ static int em_movdqu(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } +static int em_movq(struct x86_emulate_ctxt *ctxt) +{ + ctxt->dst.mm_val = ctxt->src.mm_val; + return X86EMUL_CONTINUE; +} + static int em_invlpg(struct x86_emulate_ctxt *ctxt) { int rc; @@ -3468,7 +3474,7 @@ static int check_perm_out(struct x86_emulate_ctxt *ctxt) }; static struct gprefix pfx_0f_6f_0f_7f = { - N, N, N, I(Sse, em_movdqu), + I(Mmx, em_movq), N, N, I(Sse, em_movdqu), }; static struct opcode opcode_table[256] = { -- 1.7.9