OvmfPkg/AcpiPlatformDxe: Detect QEMU & Xen

Detect QEMU & Xen, and allow each to choose how to publish
the individual ACPI tables.

Currently both paths simply publish the tables unmodified.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13385 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf

@@ -1,15 +1,15 @@
 ## @file
-#  Sample ACPI Platform Driver
+#  OVMF ACPI Platform Driver
 #
-#  Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>
 #  This program and the accompanying materials
 #  are licensed and made available under the terms and conditions of the BSD License
 #  which accompanies this distribution.  The full text of the license may be found at
 #  http://opensource.org/licenses/bsd-license.php
-#  
+#
 #  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
 #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#  
+#
 ##
 
 [Defines]
@@ -28,10 +28,13 @@
 
 [Sources]
   AcpiPlatform.c
+  Qemu.c
+  Xen.c
 
 [Packages]
   MdePkg/MdePkg.dec
   MdeModulePkg/MdeModulePkg.dec
+  OvmfPkg/OvmfPkg.dec
 
 [LibraryClasses]
   UefiLib
@@ -41,10 +44,15 @@
   DebugLib
   UefiBootServicesTableLib
   UefiDriverEntryPoint
+  HobLib
+  QemuFwCfgLib
 
 [Protocols]
   gEfiAcpiTableProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
 
+[Guids]
+  gEfiXenInfoGuid
+
 [Pcd]
   gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiTableStorageFile