From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758385AbYLNITm (ORCPT ); Sun, 14 Dec 2008 03:19:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754439AbYLNIIX (ORCPT ); Sun, 14 Dec 2008 03:08:23 -0500 Received: from mx2.redhat.com ([66.187.237.31]:59955 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754231AbYLNIHX (ORCPT ); Sun, 14 Dec 2008 03:07:23 -0500 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Guillaume Thouvenin Subject: [PATCH 28/36] KVM: x86 emulator: add a new "implied 1" Src decode type Date: Sun, 14 Dec 2008 10:07:01 +0200 Message-Id: <1229242029-13410-29-git-send-email-avi@redhat.com> In-Reply-To: <1229242029-13410-1-git-send-email-avi@redhat.com> References: <1229242029-13410-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guillaume Thouvenin Add SrcOne operand type when we need to decode an implied '1' like with regular shift instruction Signed-off-by: Guillaume Thouvenin Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 7f5cd62..0c75306 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -58,6 +58,7 @@ #define SrcMem32 (4<<4) /* Memory operand (32-bit). */ #define SrcImm (5<<4) /* Immediate operand. */ #define SrcImmByte (6<<4) /* 8-bit sign-extended immediate operand. */ +#define SrcOne (7<<4) /* Implied '1' */ #define SrcMask (7<<4) /* Generic ModRM decode. */ #define ModRM (1<<7) @@ -1004,6 +1005,10 @@ done_prefixes: c->src.bytes = 1; c->src.val = insn_fetch(s8, 1, c->eip); break; + case SrcOne: + c->src.bytes = 1; + c->src.val = 1; + break; } /* -- 1.6.0.3