From patchwork Sun May 17 15:43:05 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony Liguori X-Patchwork-Id: 24317 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n4HFher7013002 for ; Sun, 17 May 2009 15:43:40 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754505AbZEQPnc (ORCPT ); Sun, 17 May 2009 11:43:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754350AbZEQPnc (ORCPT ); Sun, 17 May 2009 11:43:32 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:35416 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754165AbZEQPna (ORCPT ); Sun, 17 May 2009 11:43:30 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e3.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n4HFdCDX022381 for ; Sun, 17 May 2009 11:39:12 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4HFhVEk253340 for ; Sun, 17 May 2009 11:43:31 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4HFfUP1030171 for ; Sun, 17 May 2009 11:41:31 -0400 Received: from localhost.localdomain (sig-9-65-8-189.mts.ibm.com [9.65.8.189]) by d01av02.pok.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id n4HFfPcQ030035; Sun, 17 May 2009 11:41:30 -0400 From: Anthony Liguori To: kvm@vger.kernel.org Cc: Glauber Costa , Gleb Natapov , Avi Kivity , Anthony Liguori Subject: [PATCH 04/17] kvm: extboot: Update number of HDs reported by BIOS Date: Sun, 17 May 2009 10:43:05 -0500 Message-Id: <1242574999-20887-5-git-send-email-aliguori@us.ibm.com> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1242574999-20887-1-git-send-email-aliguori@us.ibm.com> References: <1242574999-20887-1-git-send-email-aliguori@us.ibm.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Gleb Natapov The Vista boot loaded expects the bios to report a correct count of the bootable disks; and extboot disks are bootable. This fixes Vista boot from virtio-blk issue. Signed-off-by: Gleb Natapov Signed-off-by: Avi Kivity Signed-off-by: Anthony Liguori diff --git a/kvm/extboot/extboot.S b/kvm/extboot/extboot.S index e3d1adf..1e60f68 100644 --- a/kvm/extboot/extboot.S +++ b/kvm/extboot/extboot.S @@ -32,6 +32,9 @@ _start: xor %ax, %ax mov %ax, %ds + /* there is one more bootable HD */ + incb 0x0475 + /* save old int 19 */ mov (0x19*4), %eax mov %eax, %cs:old_int19