UefiCpuPkg/CpuIoPei/CpuIoPei.h - edk2 - Git at Google

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

 Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent

 **/

 #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 - 2018, Intel Corporation. All rights reserved.<BR>
	SPDX-License-Identifier: BSD-2-Clause-Patent

	**/

	#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