UefiCpuPkg/CpuIoPei/CpuIoPei.h - device/linaro/bootloader/edk2 - Git at Google

 /** @file
   Internal include file for the CPU I/O PPI.

 Copyright (c) 2009 - 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.

 **/

 #ifndef _CPU_IO2_PEI_H_
 #define _CPU_IO2_PEI_H_

 #include <PiDxe.h>

 #include <Ppi/CpuIo.h>

 #include <Library/BaseLib.h>
 #include <Library/DebugLib.h>
 #include <Library/IoLib.h>
 #include <Library/PeiServicesLib.h>

 #define MAX_IO_PORT_ADDRESS   0xFFFF

 /**
   Reads memory-mapped registers.

   @param[in]  PeiServices  An indirect pointer to the PEI Services Table
                            published by the PEI Foundation.
   @param[in]  This         Pointer to local data for the interface.
   @param[in]  Width        The width of the access. Enumerated in bytes.
   @param[in]  Address      The physical address of the access.
   @param[in]  Count        The number of accesses to perform.
   @param[out] Buffer       A pointer to the buffer of data.

   @retval EFI_SUCCESS            The function completed successfully.
   @retval EFI_INVALID_PARAMETER  Width is invalid for this EFI system.
   @retval EFI_INVALID_PARAMETER  Buffer is NULL.
   @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
                                  and Count is not valid for this EFI system.

 **/
 EFI_STATUS
 EFIAPI
 CpuMemoryServiceRead (
   IN  CONST EFI_PEI_SERVICES    **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI  *This,
   IN  EFI_PEI_CPU_IO_PPI_WIDTH  Width,
   IN  UINT64                    Address,
   IN  UINTN                     Count,
   OUT VOID                      *Buffer
   );

 /**
   Writes memory-mapped registers.

   @param[in]  PeiServices  An indirect pointer to the PEI Services Table
                            published by the PEI Foundation.
   @param[in]  This         Pointer to local data for the interface.
   @param[in]  Width        The width of the access. Enumerated in bytes.
   @param[in]  Address      The physical address of the access.
   @param[in]  Count        The number of accesses to perform.
   @param[in]  Buffer       A pointer to the buffer of data.

   @retval EFI_SUCCESS            The function completed successfully.
   @retval EFI_INVALID_PARAMETER  Width is invalid for this EFI system.
   @retval EFI_INVALID_PARAMETER  Buffer is NULL.
   @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
                                  and Count is not valid for this EFI system.

 **/
 EFI_STATUS
 EFIAPI
 CpuMemoryServiceWrite (
   IN CONST EFI_PEI_SERVICES    **PeiServices,
   IN CONST EFI_PEI_CPU_IO_PPI  *This,
   IN EFI_PEI_CPU_IO_PPI_WIDTH  Width,
   IN UINT64                    Address,
   IN UINTN                     Count,
   IN VOID                      *Buffer
   );

 /**
   Reads I/O registers.

   @param[in]  PeiServices  An indirect pointer to the PEI Services Table
                            published by the PEI Foundation.
   @param[in]  This         Pointer to local data for the interface.
   @param[in]  Width        The width of the access. Enumerated in bytes.
   @param[in]  Address      The physical address of the access.
   @param[in]  Count        The number of accesses to perform.
   @param[out] Buffer       A pointer to the buffer of data.

   @retval EFI_SUCCESS            The function completed successfully.
   @retval EFI_INVALID_PARAMETER  Width is invalid for this EFI system.
   @retval EFI_INVALID_PARAMETER  Buffer is NULL.
   @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
                                  and Count is not valid for this EFI system.

 **/
 EFI_STATUS
 EFIAPI
 CpuIoServiceRead (
   IN  CONST EFI_PEI_SERVICES    **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI  *This,
   IN  EFI_PEI_CPU_IO_PPI_WIDTH  Width,
   IN  UINT64                    Address,
   IN  UINTN                     Count,
   OUT VOID                      *Buffer
   );

 /**
   Write I/O registers.

   @param[in]  PeiServices  An indirect pointer to the PEI Services Table
                            published by the PEI Foundation.
   @param[in]  This         Pointer to local data for the interface.
   @param[in]  Width        The width of the access. Enumerated in bytes.
   @param[in]  Address      The physical address of the access.
   @param[in]  Count        The number of accesses to perform.
   @param[in]  Buffer       A pointer to the buffer of data.

   @retval EFI_SUCCESS            The function completed successfully.
   @retval EFI_INVALID_PARAMETER  Width is invalid for this EFI system.
   @retval EFI_INVALID_PARAMETER  Buffer is NULL.
   @retval EFI_UNSUPPORTED        The address range specified by Address, Width,
                                  and Count is not valid for this EFI system.

 **/
 EFI_STATUS
 EFIAPI
 CpuIoServiceWrite (
   IN CONST EFI_PEI_SERVICES    **PeiServices,
   IN CONST EFI_PEI_CPU_IO_PPI  *This,
   IN EFI_PEI_CPU_IO_PPI_WIDTH  Width,
   IN UINT64                    Address,
   IN UINTN                     Count,
   IN VOID                      *Buffer
   );

 /**
   8-bit I/O read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  An 8-bit value returned from the I/O space.
 **/
 UINT8
 EFIAPI
 CpuIoRead8 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   16-bit I/O read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  A 16-bit value returned from the I/O space.

 **/
 UINT16
 EFIAPI
 CpuIoRead16 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   32-bit I/O read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  A 32-bit value returned from the I/O space.

 **/
 UINT32
 EFIAPI
 CpuIoRead32 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   64-bit I/O read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  A 64-bit value returned from the I/O space.

 **/
 UINT64
 EFIAPI
 CpuIoRead64 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   8-bit I/O write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuIoWrite8 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT8                       Data
   );

 /**
   16-bit I/O write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuIoWrite16 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT16                      Data
   );

 /**
   32-bit I/O write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuIoWrite32 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT32                      Data
   );

 /**
   64-bit I/O write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuIoWrite64 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT64                      Data
   );

 /**
   8-bit memory read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  An 8-bit value returned from the memory space.

 **/
 UINT8
 EFIAPI
 CpuMemRead8 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   16-bit memory read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  A 16-bit value returned from the memory space.

 **/
 UINT16
 EFIAPI
 CpuMemRead16 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   32-bit memory read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  A 32-bit value returned from the memory space.

 **/
 UINT32
 EFIAPI
 CpuMemRead32 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   64-bit memory read operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.

   @return  A 64-bit value returned from the memory space.

 **/
 UINT64
 EFIAPI
 CpuMemRead64 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address
   );

 /**
   8-bit memory write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuMemWrite8 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT8                       Data
   );

 /**
   16-bit memory write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuMemWrite16 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT16                      Data
   );

 /**
   32-bit memory write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuMemWrite32 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT32                      Data
   );

 /**
   64-bit memory write operations.

   @param[in] PeiServices  An indirect pointer to the PEI Services Table published
                           by the PEI Foundation.
   @param[in] This         Pointer to local data for the interface.
   @param[in] Address      The physical address of the access.
   @param[in] Data         The data to write.

 **/
 VOID
 EFIAPI
 CpuMemWrite64 (
   IN  CONST EFI_PEI_SERVICES      **PeiServices,
   IN  CONST EFI_PEI_CPU_IO_PPI    *This,
   IN  UINT64                      Address,
   IN  UINT64                      Data
   );

 #endif
	/** @file
	Internal include file for the CPU I/O PPI.

	Copyright (c) 2009 - 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.

	**/

	#ifndef _CPU_IO2_PEI_H_
	#define _CPU_IO2_PEI_H_

	#include <PiDxe.h>

	#include <Ppi/CpuIo.h>

	#include <Library/BaseLib.h>
	#include <Library/DebugLib.h>
	#include <Library/IoLib.h>
	#include <Library/PeiServicesLib.h>

	#define MAX_IO_PORT_ADDRESS 0xFFFF

	/**
	Reads memory-mapped registers.

	@param[in] PeiServices An indirect pointer to the PEI Services Table
	published by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Width The width of the access. Enumerated in bytes.
	@param[in] Address The physical address of the access.
	@param[in] Count The number of accesses to perform.
	@param[out] Buffer A pointer to the buffer of data.

	@retval EFI_SUCCESS The function completed successfully.
	@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
	@retval EFI_INVALID_PARAMETER Buffer is NULL.
	@retval EFI_UNSUPPORTED The address range specified by Address, Width,
	and Count is not valid for this EFI system.

	**/
	EFI_STATUS
	EFIAPI
	CpuMemoryServiceRead (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
	IN UINT64 Address,
	IN UINTN Count,
	OUT VOID *Buffer
	);

	/**
	Writes memory-mapped registers.

	@param[in] PeiServices An indirect pointer to the PEI Services Table
	published by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Width The width of the access. Enumerated in bytes.
	@param[in] Address The physical address of the access.
	@param[in] Count The number of accesses to perform.
	@param[in] Buffer A pointer to the buffer of data.

	@retval EFI_SUCCESS The function completed successfully.
	@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
	@retval EFI_INVALID_PARAMETER Buffer is NULL.
	@retval EFI_UNSUPPORTED The address range specified by Address, Width,
	and Count is not valid for this EFI system.

	**/
	EFI_STATUS
	EFIAPI
	CpuMemoryServiceWrite (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
	IN UINT64 Address,
	IN UINTN Count,
	IN VOID *Buffer
	);

	/**
	Reads I/O registers.

	@param[in] PeiServices An indirect pointer to the PEI Services Table
	published by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Width The width of the access. Enumerated in bytes.
	@param[in] Address The physical address of the access.
	@param[in] Count The number of accesses to perform.
	@param[out] Buffer A pointer to the buffer of data.

	@retval EFI_SUCCESS The function completed successfully.
	@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
	@retval EFI_INVALID_PARAMETER Buffer is NULL.
	@retval EFI_UNSUPPORTED The address range specified by Address, Width,
	and Count is not valid for this EFI system.

	**/
	EFI_STATUS
	EFIAPI
	CpuIoServiceRead (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
	IN UINT64 Address,
	IN UINTN Count,
	OUT VOID *Buffer
	);

	/**
	Write I/O registers.

	@param[in] PeiServices An indirect pointer to the PEI Services Table
	published by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Width The width of the access. Enumerated in bytes.
	@param[in] Address The physical address of the access.
	@param[in] Count The number of accesses to perform.
	@param[in] Buffer A pointer to the buffer of data.

	@retval EFI_SUCCESS The function completed successfully.
	@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
	@retval EFI_INVALID_PARAMETER Buffer is NULL.
	@retval EFI_UNSUPPORTED The address range specified by Address, Width,
	and Count is not valid for this EFI system.

	**/
	EFI_STATUS
	EFIAPI
	CpuIoServiceWrite (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
	IN UINT64 Address,
	IN UINTN Count,
	IN VOID *Buffer
	);

	/**
	8-bit I/O read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return An 8-bit value returned from the I/O space.
	**/
	UINT8
	EFIAPI
	CpuIoRead8 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	16-bit I/O read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return A 16-bit value returned from the I/O space.

	**/
	UINT16
	EFIAPI
	CpuIoRead16 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	32-bit I/O read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return A 32-bit value returned from the I/O space.

	**/
	UINT32
	EFIAPI
	CpuIoRead32 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	64-bit I/O read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return A 64-bit value returned from the I/O space.

	**/
	UINT64
	EFIAPI
	CpuIoRead64 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	8-bit I/O write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuIoWrite8 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT8 Data
	);

	/**
	16-bit I/O write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuIoWrite16 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT16 Data
	);

	/**
	32-bit I/O write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuIoWrite32 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT32 Data
	);

	/**
	64-bit I/O write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuIoWrite64 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT64 Data
	);

	/**
	8-bit memory read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return An 8-bit value returned from the memory space.

	**/
	UINT8
	EFIAPI
	CpuMemRead8 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	16-bit memory read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return A 16-bit value returned from the memory space.

	**/
	UINT16
	EFIAPI
	CpuMemRead16 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	32-bit memory read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return A 32-bit value returned from the memory space.

	**/
	UINT32
	EFIAPI
	CpuMemRead32 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	64-bit memory read operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.

	@return A 64-bit value returned from the memory space.

	**/
	UINT64
	EFIAPI
	CpuMemRead64 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	8-bit memory write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuMemWrite8 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT8 Data
	);

	/**
	16-bit memory write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuMemWrite16 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT16 Data
	);

	/**
	32-bit memory write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuMemWrite32 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT32 Data
	);

	/**
	64-bit memory write operations.

	@param[in] PeiServices An indirect pointer to the PEI Services Table published
	by the PEI Foundation.
	@param[in] This Pointer to local data for the interface.
	@param[in] Address The physical address of the access.
	@param[in] Data The data to write.

	**/
	VOID
	EFIAPI
	CpuMemWrite64 (
	IN CONST EFI_PEI_SERVICES **PeiServices,
	IN CONST EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT64 Data
	);

	#endif