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authorJordan Justen <jordan.l.justen@intel.com>2015-02-02 19:09:02 +0000
committerlersek <lersek@Edk2>2015-02-02 19:09:02 +0000
commit48b850898bce15cc978f228162fc0bbe7b5b291b (patch)
tree6e9d784b696c4949f1cccaea0e3bf18c81a10df3 /OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c
parent14b0faadfc87be12398964015ee0884d71bd0e7b (diff)
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OvmfPkg/AcpiPlatformDxe: Add QEMU fw-cfg only driver
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16697 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c')
-rw-r--r--OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c b/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c
new file mode 100644
index 0000000000..88512ba3f4
--- /dev/null
+++ b/OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c
@@ -0,0 +1,52 @@
+/** @file
+ OVMF ACPI Platform Driver using QEMU's fw-cfg interface
+
+ Copyright (c) 2008 - 2014, 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"
+
+/**
+ Entrypoint of Acpi Platform driver.
+
+ @param ImageHandle
+ @param SystemTable
+
+ @return EFI_SUCCESS
+ @return EFI_LOAD_ERROR
+ @return EFI_OUT_OF_RESOURCES
+
+**/
+EFI_STATUS
+EFIAPI
+QemuFwCfgAcpiPlatformEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
+
+ //
+ // Find the AcpiTable protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiAcpiTableProtocolGuid,
+ NULL,
+ (VOID**)&AcpiTable
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_ABORTED;
+ }
+
+ Status = InstallAllQemuLinkedTables (AcpiTable);
+ return Status;
+}