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

Macros
#define	MAX_IO_PORT_ADDRESS 0xFFFF

Functions
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)

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)

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)

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)

UINT8 EFIAPI	CpuIoRead8 (IN CONST EFI_PEI_SERVICES *PeiServices, IN CONST EFI_PEI_CPU_IO_PPI This, IN UINT64 Address)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Detailed Description

Internal include file for the CPU I/O PPI.

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

Definition in file CpuIoPei.h.

Macro Definition Documentation

◆ MAX_IO_PORT_ADDRESS

#define MAX_IO_PORT_ADDRESS 0xFFFF

Definition at line 21 of file CpuIoPei.h.

Function Documentation

◆ CpuIoRead16()

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

16-bit I/O read operations.

Parameters

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

Returns: A 16-bit value returned from the I/O space.

Definition at line 555 of file CpuIoPei.c.

◆ CpuIoRead32()

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

32-bit I/O read operations.

Parameters

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

Returns: A 32-bit value returned from the I/O space.

Definition at line 577 of file CpuIoPei.c.

◆ CpuIoRead64()

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

64-bit I/O read operations.

Parameters

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

Returns: A 64-bit value returned from the I/O space.

Definition at line 599 of file CpuIoPei.c.

◆ CpuIoRead8()

UINT8 EFIAPI CpuIoRead8	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN CONST EFI_PEI_CPU_IO_PPI *	This,
		IN UINT64	Address
	)

8-bit I/O read operations.

Parameters

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

Returns: An 8-bit value returned from the I/O space.

Definition at line 533 of file CpuIoPei.c.

◆ CpuIoServiceRead()

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
	)

Reads I/O registers.

Parameters

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

Return values

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

Definition at line 350 of file CpuIoPei.c.

◆ CpuIoServiceWrite()

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
	)

Write I/O registers.

Parameters

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

Return values

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

Definition at line 444 of file CpuIoPei.c.

◆ CpuIoWrite16()

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

16-bit I/O write operations.

Parameters

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

Definition at line 642 of file CpuIoPei.c.

◆ CpuIoWrite32()

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

32-bit I/O write operations.

Parameters

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

Definition at line 664 of file CpuIoPei.c.

◆ CpuIoWrite64()

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

64-bit I/O write operations.

Parameters

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

Definition at line 686 of file CpuIoPei.c.

◆ CpuIoWrite8()

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

8-bit I/O write operations.

Parameters

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

Definition at line 620 of file CpuIoPei.c.

◆ CpuMemoryServiceRead()

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
	)

Reads memory-mapped registers.

Parameters

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

Return values

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

Definition at line 200 of file CpuIoPei.c.

◆ CpuMemoryServiceWrite()

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
	)

Writes memory-mapped registers.

Parameters

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

Return values

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

Definition at line 275 of file CpuIoPei.c.

◆ CpuMemRead16()

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

16-bit memory read operations.

Parameters

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

Returns: A 16-bit value returned from the memory space.

Definition at line 731 of file CpuIoPei.c.

◆ CpuMemRead32()

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

32-bit memory read operations.

Parameters

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

Returns: A 32-bit value returned from the memory space.

Definition at line 753 of file CpuIoPei.c.

◆ CpuMemRead64()

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

64-bit memory read operations.

Parameters

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

Returns: A 64-bit value returned from the memory space.

Definition at line 775 of file CpuIoPei.c.

◆ CpuMemRead8()

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

8-bit memory read operations.

Parameters

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

Returns: An 8-bit value returned from the memory space.

Definition at line 709 of file CpuIoPei.c.

◆ CpuMemWrite16()

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

16-bit memory write operations.

Parameters

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

Definition at line 818 of file CpuIoPei.c.

◆ CpuMemWrite32()

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

32-bit memory write operations.

Parameters

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

Definition at line 840 of file CpuIoPei.c.

◆ CpuMemWrite64()

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

64-bit memory write operations.

Parameters

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

Definition at line 862 of file CpuIoPei.c.

◆ CpuMemWrite8()

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

8-bit memory write operations.

Parameters

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

Definition at line 796 of file CpuIoPei.c.

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ MAX_IO_PORT_ADDRESS

Function Documentation

◆ CpuIoRead16()

◆ CpuIoRead32()

◆ CpuIoRead64()

◆ CpuIoRead8()

◆ CpuIoServiceRead()

◆ CpuIoServiceWrite()

◆ CpuIoWrite16()

◆ CpuIoWrite32()

◆ CpuIoWrite64()

◆ CpuIoWrite8()

◆ CpuMemoryServiceRead()

◆ CpuMemoryServiceWrite()

◆ CpuMemRead16()

◆ CpuMemRead32()

◆ CpuMemRead64()

◆ CpuMemRead8()

◆ CpuMemWrite16()

◆ CpuMemWrite32()

◆ CpuMemWrite64()

◆ CpuMemWrite8()