IntelFrameworkModulePkg: Add AcpiSupportDxe driver

Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: rsun3 Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12221 6f19259b-4bc3-4df7-8a09-765794883524
2011-08-29 22:15:21 +00:00
parent c7ce516971
commit 8a96515e88
6 changed files with 2249 additions and 0 deletions
--- a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.c
+++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.c
@@ -0,0 +1,91 @@
+/** @file
+  This is an implementation of the ACPI Support protocol.  This is defined in 
+  the Tiano ACPI External Product Specification, revision 0.3.6.
+
+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 "AcpiSupport.h"
+
+//
+// Handle to install ACPI Table Protocol (and ACPI Suppport protocol).
+//
+EFI_HANDLE    mHandle = NULL;
+
+/**
+  Entry point of the ACPI support driver. This function creates and initializes an instance of the ACPI Support 
+  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        
+
+  @retval EFI_SUCCESS              Driver initialized successfully
+  @retval EFI_LOAD_ERROR           Failed to Initialize or has been loaded 
+  @retval EFI_OUT_OF_RESOURCES     Could not allocate needed resources
+**/
+EFI_STATUS
+EFIAPI
+InstallAcpiSupport (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_SYSTEM_TABLE     *SystemTable
+  )
+
+{
+  EFI_STATUS                Status;
+  EFI_ACPI_SUPPORT_INSTANCE *PrivateData;
+
+  //
+  // Initialize our protocol
+  //
+  PrivateData = AllocateZeroPool (sizeof (EFI_ACPI_SUPPORT_INSTANCE));
+  ASSERT (PrivateData);
+  PrivateData->Signature = EFI_ACPI_SUPPORT_SIGNATURE;
+
+  //
+  // Call all constructors per produced protocols
+  //
+  Status = AcpiSupportAcpiSupportConstructor (PrivateData);
+  if (EFI_ERROR (Status)) {
+    gBS->FreePool (PrivateData);
+    return EFI_LOAD_ERROR;
+  }
+
+  //
+  // Install ACPI Table protocol and optional ACPI support protocol based on
+  // feature flag: PcdInstallAcpiSupportProtocol.
+  //
+  if (FeaturePcdGet (PcdInstallAcpiSupportProtocol)) {
+    Status = gBS->InstallMultipleProtocolInterfaces (
+                    &mHandle,
+                    &gEfiAcpiTableProtocolGuid,
+                    &PrivateData->AcpiTableProtocol,
+                    &gEfiAcpiSupportProtocolGuid,
+                    &PrivateData->AcpiSupport,
+                    NULL
+                    );
+    ASSERT_EFI_ERROR (Status);
+  } else {
+    Status = gBS->InstallMultipleProtocolInterfaces (
+                    &mHandle,
+                    &gEfiAcpiTableProtocolGuid,
+                    &PrivateData->AcpiTableProtocol,
+                    NULL
+                    );
+    ASSERT_EFI_ERROR (Status);
+  }  
+
+  return Status;
+}