From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- .../ipxe/src/arch/i386/interface/vmware/vmware.c | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 qemu/roms/ipxe/src/arch/i386/interface/vmware/vmware.c (limited to 'qemu/roms/ipxe/src/arch/i386/interface/vmware/vmware.c') diff --git a/qemu/roms/ipxe/src/arch/i386/interface/vmware/vmware.c b/qemu/roms/ipxe/src/arch/i386/interface/vmware/vmware.c new file mode 100644 index 000000000..8074e6118 --- /dev/null +++ b/qemu/roms/ipxe/src/arch/i386/interface/vmware/vmware.c @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2012 Michael Brown . + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** @file + * + * VMware backdoor mechanism + * + * Based on the unofficial documentation at + * + * http://sites.google.com/site/chitchatvmback/backdoor + * + */ + +#include +#include +#include + +/** + * Detect VMware presence + * + * @ret rc Return status code + */ +int vmware_present ( void ) { + uint32_t version; + uint32_t magic; + uint32_t product_type; + + /* Perform backdoor call */ + vmware_cmd_get_version ( &version, &magic, &product_type ); + + /* Check for VMware presence */ + if ( magic != VMW_MAGIC ) { + DBGC ( VMW_MAGIC, "VMware not present\n" ); + return -ENOENT; + } + + DBGC ( VMW_MAGIC, "VMware product type %04x version %08x detected\n", + product_type, version ); + return 0; +} -- cgit 1.2.3-korg