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Diffstat (limited to 'Core/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.c')
-rw-r--r--Core/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/Core/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.c b/Core/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.c
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index 0000000000..f39de844e0
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+++ b/Core/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.c
@@ -0,0 +1,90 @@
+/** @file
+ ACPI Table Protocol Driver
+
+ Copyright (c) 2006 - 2010, 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.
+
+**/
+
+//
+// Includes
+//
+#include "AcpiTable.h"
+
+//
+// Handle to install ACPI Table Protocol
+//
+EFI_HANDLE mHandle = NULL;
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_ACPI_TABLE_INSTANCE *mPrivateData = NULL;
+
+/**
+ Entry point of the ACPI table driver.
+ Creates and initializes an instance of the ACPI Table
+ Protocol and installs it on a new handle.
+
+ @param ImageHandle A handle for the image that is initializing this driver.
+ @param SystemTable A pointer to the EFI system table.
+
+ @return EFI_SUCCESS Driver initialized successfully.
+ @return EFI_LOAD_ERROR Failed to Initialize or has been loaded.
+ @return EFI_OUT_OF_RESOURCES Could not allocate needed resources.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeAcpiTableDxe (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_ACPI_TABLE_INSTANCE *PrivateData;
+
+ //
+ // Initialize our protocol
+ //
+ PrivateData = AllocateZeroPool (sizeof (EFI_ACPI_TABLE_INSTANCE));
+ ASSERT (PrivateData);
+ PrivateData->Signature = EFI_ACPI_TABLE_SIGNATURE;
+
+ //
+ // Call all constructors per produced protocols
+ //
+ Status = AcpiTableAcpiTableConstructor (PrivateData);
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (PrivateData);
+ return EFI_LOAD_ERROR;
+ }
+
+ //
+ // Install ACPI Table protocol
+ //
+ if (FeaturePcdGet (PcdInstallAcpiSdtProtocol)) {
+ mPrivateData = PrivateData;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mHandle,
+ &gEfiAcpiTableProtocolGuid,
+ &PrivateData->AcpiTableProtocol,
+ &gEfiAcpiSdtProtocolGuid,
+ &mPrivateData->AcpiSdtProtocol,
+ NULL
+ );
+ } else {
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mHandle,
+ &gEfiAcpiTableProtocolGuid,
+ &PrivateData->AcpiTableProtocol,
+ NULL
+ );
+ }
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+