ShellPkg/for: Fix potential null pointer deference

[mirror_edk2.git] / OvmfPkg / AcpiPlatformDxe / AcpiPlatform.h

/** @file\r
  Sample ACPI Platform Driver\r
\r
  Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _ACPI_PLATFORM_H_INCLUDED_\r
#define _ACPI_PLATFORM_H_INCLUDED_\r
\r
#include <PiDxe.h>\r
\r
#include <Protocol/AcpiTable.h>\r
#include <Protocol/FirmwareVolume2.h>\r
#include <Protocol/PciIo.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/PcdLib.h>\r
\r
#include <IndustryStandard/Acpi.h>\r
\r
typedef struct {\r
  EFI_PCI_IO_PROTOCOL *PciIo;\r
  UINT64              PciAttributes;\r
} ORIGINAL_ATTRIBUTES;\r
\r
typedef struct S3_CONTEXT S3_CONTEXT;\r
\r
EFI_STATUS\r
EFIAPI\r
InstallAcpiTable (\r
  IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol,\r
  IN   VOID                          *AcpiTableBuffer,\r
  IN   UINTN                         AcpiTableBufferSize,\r
  OUT  UINTN                         *TableKey\r
  );\r
\r
BOOLEAN\r
QemuDetected (\r
  VOID\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
QemuInstallAcpiTable (\r
  IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol,\r
  IN   VOID                          *AcpiTableBuffer,\r
  IN   UINTN                         AcpiTableBufferSize,\r
  OUT  UINTN                         *TableKey\r
  );\r
\r
BOOLEAN\r
XenDetected (\r
  VOID\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
InstallXenTables (\r
  IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
InstallQemuFwCfgTables (\r
  IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
InstallAcpiTables (\r
  IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiTable\r
  );\r
\r
VOID\r
EnablePciDecoding (\r
  OUT ORIGINAL_ATTRIBUTES **OriginalAttributes,\r
  OUT UINTN               *Count\r
  );\r
\r
VOID\r
RestorePciDecoding (\r
  IN ORIGINAL_ATTRIBUTES *OriginalAttributes,\r
  IN UINTN               Count\r
  );\r
\r
EFI_STATUS\r
AllocateS3Context (\r
  OUT S3_CONTEXT **S3Context,\r
  IN  UINTN      WritePointerCount\r
  );\r
\r
VOID\r
ReleaseS3Context (\r
  IN S3_CONTEXT *S3Context\r
  );\r
\r
EFI_STATUS\r
SaveCondensedWritePointerToS3Context (\r
  IN OUT S3_CONTEXT *S3Context,\r
  IN     UINT16     PointerItem,\r
  IN     UINT8      PointerSize,\r
  IN     UINT32     PointerOffset,\r
  IN     UINT64     PointerValue\r
  );\r
\r
EFI_STATUS\r
TransferS3ContextToBootScript (\r
  IN S3_CONTEXT *S3Context\r
  );\r
\r
#endif\r
\r