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authorjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2012-05-30 23:15:27 +0000
committerjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2012-05-30 23:15:27 +0000
commit522203de37bdd4d0239a14f17a1d3029f07e23fa (patch)
tree52c8519cf90c5dc84ab1d08b6a21cce36c1de5b9 /OvmfPkg/AcpiPlatformDxe/Xen.c
parent7d2bd1505b93135947045e24b6a1313799d44738 (diff)
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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
Diffstat (limited to 'OvmfPkg/AcpiPlatformDxe/Xen.c')
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diff --git a/OvmfPkg/AcpiPlatformDxe/Xen.c b/OvmfPkg/AcpiPlatformDxe/Xen.c
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+/** @file
+ OVMF ACPI QEMU support
+
+ 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.
+
+**/
+
+#include "AcpiPlatform.h"
+#include <Library/HobLib.h>
+#include <Guid/XenInfo.h>
+
+
+BOOLEAN
+XenDetected (
+ VOID
+ )
+{
+ EFI_HOB_GUID_TYPE *GuidHob;
+
+ //
+ // See if a XenInfo HOB is available
+ //
+ GuidHob = GetFirstGuidHob (&gEfiXenInfoGuid);
+ if (GuidHob == NULL) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+EFI_STATUS
+EFIAPI
+XenInstallAcpiTable (
+ IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,
+ IN VOID *AcpiTableBuffer,
+ IN UINTN AcpiTableBufferSize,
+ OUT UINTN *TableKey
+ )
+{
+ return InstallAcpiTable(
+ AcpiProtocol,
+ AcpiTableBuffer,
+ AcpiTableBufferSize,
+ TableKey
+ );
+}
+