From patchwork Mon Sep 17 13:39:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Don Slutz X-Patchwork-Id: 184441 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 734B52C0082 for ; Tue, 18 Sep 2012 01:15:33 +1000 (EST) Received: from localhost ([::1]:53334 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDbbD-00011N-Fe for incoming@patchwork.ozlabs.org; Mon, 17 Sep 2012 09:42:55 -0400 Received: from eggs.gnu.org ([208.118.235.92]:41158) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDbZc-0006fL-MP for qemu-devel@nongnu.org; Mon, 17 Sep 2012 09:41:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TDbZW-0003Pd-76 for qemu-devel@nongnu.org; Mon, 17 Sep 2012 09:41:16 -0400 Received: from hub021-nj-2.exch021.serverdata.net ([206.225.164.217]:4188) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDbZW-0003NT-3Y for qemu-devel@nongnu.org; Mon, 17 Sep 2012 09:41:10 -0400 Received: from localhost.localdomain (131.239.15.22) by east.exch021.serverdata.net (10.240.4.34) with Microsoft SMTP Server (TLS) id 14.2.309.2; Mon, 17 Sep 2012 06:40:46 -0700 From: Don Slutz To: , , , , , , , , Date: Mon, 17 Sep 2012 09:39:42 -0400 Message-ID: <1347889189-9199-19-git-send-email-Don@CloudSwitch.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1346354435-21685-1-git-send-email-Don@CloudSwitch.com> References: <1346354435-21685-1-git-send-email-Don@CloudSwitch.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Windows 2000 SP2+, XP SP1+ (seldom 98) X-Received-From: 206.225.164.217 Cc: Don Slutz Subject: [Qemu-devel] [PATCH v3 11/17] target-i386: Use Hypervisor vendor in -machine pc, accel=tcg. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Also known as Paravirtualization vendor. This change is based on: Microsoft Hypervisor CPUID Leaves: http://msdn.microsoft.com/en-us/library/windows/hardware/ff542428%28v=vs.85%29.aspx Linux kernel change starts with: http://fixunix.com/kernel/538707-use-cpuid-communicate-hypervisor.html Also: http://lkml.indiana.edu/hypermail/linux/kernel/1205.0/00100.html VMware documention on CPUIDs (Mechanisms to determine if software is running in a VMware virtual machine): http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 Signed-off-by: Don Slutz --- target-i386/cpu.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 5afb188..1b3a472 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1842,9 +1842,9 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, break; case 0x40000000: *eax = env->cpuid_hv_level; - *ebx = 0; - *ecx = 0; - *edx = 0; + *ebx = env->cpuid_hv_vendor1; + *ecx = env->cpuid_hv_vendor2; + *edx = env->cpuid_hv_vendor3; break; case 0x40000001: *eax = env->cpuid_kvm_features;