OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatform.c

   1 /** @file
   2   OVMF ACPI Platform Driver using QEMU's fw-cfg interface
   3
   4   Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "AcpiPlatform.h"
  16
  17 /**
  18   Entrypoint of Acpi Platform driver.
  19
  20   @param  ImageHandle
  21   @param  SystemTable
  22
  23   @return EFI_SUCCESS
  24   @return EFI_LOAD_ERROR
  25   @return EFI_OUT_OF_RESOURCES
  26
  27 **/
  28 EFI_STATUS
  29 EFIAPI
  30 QemuFwCfgAcpiPlatformEntryPoint (
  31   IN EFI_HANDLE         ImageHandle,
  32   IN EFI_SYSTEM_TABLE   *SystemTable
  33   )
  34 {
  35   EFI_STATUS                         Status;
  36   EFI_ACPI_TABLE_PROTOCOL            *AcpiTable;
  37
  38   //
  39   // Find the AcpiTable protocol
  40   //
  41   Status = gBS->LocateProtocol (
  42                   &gEfiAcpiTableProtocolGuid,
  43                   NULL,
  44                   (VOID**)&AcpiTable
  45                   );
  46   if (EFI_ERROR (Status)) {
  47     return EFI_ABORTED;
  48   }
  49
  50   Status = InstallAllQemuLinkedTables (AcpiTable);
  51   return Status;
  52 }