From patchwork Tue Jul 10 08:57:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liu, Jingqi" X-Patchwork-Id: 941871 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41Px4f0Rsyz9s1B for ; Tue, 10 Jul 2018 19:00:48 +1000 (AEST) Received: from localhost ([::1]:46574 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fcoVq-0004vu-0e for incoming@patchwork.ozlabs.org; Tue, 10 Jul 2018 05:00:46 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50371) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fcoTB-00032g-Ux for qemu-devel@nongnu.org; Tue, 10 Jul 2018 04:58:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fcoT8-0003ty-RT for qemu-devel@nongnu.org; Tue, 10 Jul 2018 04:58:02 -0400 Received: from mga09.intel.com ([134.134.136.24]:44704) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fcoT8-0003tC-IO for qemu-devel@nongnu.org; Tue, 10 Jul 2018 04:57:58 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jul 2018 01:57:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,333,1526367600"; d="scan'208";a="71049800" Received: from dst.sh.intel.com ([10.239.48.156]) by fmsmga001.fm.intel.com with ESMTP; 10 Jul 2018 01:57:55 -0700 From: Jingqi Liu To: pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com Date: Tue, 10 Jul 2018 16:57:31 +0800 Message-Id: <1531213054-63327-1-git-send-email-jingqi.liu@intel.com> X-Mailer: git-send-email 1.8.3.1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.24 Subject: [Qemu-devel] [PATCH 0/3] x86/cpu: Enable a few new cpu features X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jingqi Liu , wei.w.wang@intel.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Enable a few new cpu features including UMONITOR, UMWAIT, TPAUSE, MOVDIRI and MOVDIR64B. UMONITOR, UMWAIT, and TPAUSE are a set of user wait instructions. MOVDIRI moves doubleword or quadword from register to memory through direct store. MOVDIR64B moves 64-bytes as direct-store with 64-bytes write atomicity. The bits definition: CPUID.(EAX=7,ECX=0):ECX[bit 05] WAITPKG CPUID.(EAX=7,ECX=0):ECX[bit 27] MOVDIRI CPUID.(EAX=7,ECX=0):ECX[bit 28] MOVDIR64B The release document ref below link: https://software.intel.com/sites/default/files/managed/c5/15/\ architecture-instruction-set-extensions-programming-reference.pdf Jingqi Liu (3): x86/cpu: Enable UMONITOR/UMWAIT/TPAUSE cpu features x86/cpu: Enable MOVDIRI cpu feature x86/cpu: Enable MOVDIR64B cpu feature target/i386/cpu.c | 6 +++--- target/i386/cpu.h | 3 +++ 2 files changed, 6 insertions(+), 3 deletions(-)