audk/MdeModulePkg/Core/RuntimeDxe/Runtime.h

/** @file
  Runtime Architectural Protocol as defined in the DXE CIS.

  This code is used to produce the EFI runtime architectural protocol.

Copyright (c) 2006, Intel Corporation. <BR>
All rights reserved. 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.

**/

#ifndef _RUNTIME_H_
#define _RUNTIME_H_

#include <PiDxe.h>
#include <Protocol/LoadedImage.h>
#include <Protocol/Runtime.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/DebugLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/PeCoffLib.h>
#include <Library/PcdLib.h>


//
// Function Prototypes
//
/**
  Calculate CRC32 for target data.

  @param Data            The target data.
  @param DataSize        The target data size.
  @param CrcOut          The CRC32 for target data.

  @retval  EFI_SUCCESS            The CRC32 for target data is calculated successfully.
  @retval  EFI_INVALID_PARAMETER  Some parameter is not valid, so the CRC32 is not
                                  calculated.

**/
EFI_STATUS
EFIAPI
RuntimeDriverCalculateCrc32 (
  IN  VOID    *Data,
  IN  UINTN   DataSize,
  OUT UINT32  *CrcOut
  );

/**
  Determines the new virtual address that is to be used on subsequent memory accesses.


  @param DebugDisposition Supplies type information for the pointer being converted.
  @param ConvertAddress  A pointer to a pointer that is to be fixed to be the value needed
                         for the new virtual address mappings being applied.

  @retval  EFI_SUCCESS              The pointer pointed to by Address was modified.
  @retval  EFI_NOT_FOUND            The pointer pointed to by Address was not found to be part
                                    of the current memory map. This is normally fatal.
  @retval  EFI_INVALID_PARAMETER    One of the parameters has an invalid value.

**/
EFI_STATUS
EFIAPI
RuntimeDriverConvertPointer (
  IN     UINTN  DebugDisposition,
  IN OUT VOID   **ConvertAddress
  );

/**
  Changes the runtime addressing mode of EFI firmware from physical to virtual.

  @param  MemoryMapSize   The size in bytes of VirtualMap.
  @param  DescriptorSize  The size in bytes of an entry in the VirtualMap.
  @param  DescriptorVersion The version of the structure entries in VirtualMap.
  @param  VirtualMap      An array of memory descriptors which contain new virtual
                         address mapping information for all runtime ranges.

  @retval  EFI_SUCCESS            The virtual address map has been applied.
  @retval  EFI_UNSUPPORTED        EFI firmware is not at runtime, or the EFI firmware is already in
                                  virtual address mapped mode.
  @retval  EFI_INVALID_PARAMETER  DescriptorSize or DescriptorVersion is invalid.
  @retval  EFI_NO_MAPPING         A virtual address was not supplied for a range in the memory
                                  map that requires a mapping.
  @retval  EFI_NOT_FOUND          A virtual address was supplied for an address that is not found
                                  in the memory map.

**/
EFI_STATUS
EFIAPI
RuntimeDriverSetVirtualAddressMap (
  IN UINTN                  MemoryMapSize,
  IN UINTN                  DescriptorSize,
  IN UINT32                 DescriptorVersion,
  IN EFI_MEMORY_DESCRIPTOR  *VirtualMap
  );

/**
  Initialize CRC32 table.

**/
VOID
RuntimeDriverInitializeCrc32Table (
  VOID
  );

/**
  Install Runtime AP. This code includes the EfiRuntimeLib, but it only
  functions at RT in physical mode.

  @param  ImageHandle     Image handle of this driver.
  @param  SystemTable     Pointer to the EFI System Table.

  @retval EFI_SUCEESS  Runtime Driver Architectural Protocol Installed
  @return Other value if gBS->InstallMultipleProtocolInterfaces fails. Check
           gBS->InstallMultipleProtocolInterfaces for details.

**/
EFI_STATUS
EFIAPI
RuntimeDriverInitialize (
  IN EFI_HANDLE                            ImageHandle,
  IN EFI_SYSTEM_TABLE                      *SystemTable
  );

#endif