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/** @file
The default version of EFI_PEI_CPU_IO_PPI support published by PeiServices in
PeiCore initialization phase.
EFI_PEI_CPU_IO_PPI is installed by some platform or chipset-specific PEIM that
abstracts the processor-visible I/O operations. When PeiCore is started, the
default version of EFI_PEI_CPU_IO_PPI will be assigned to PeiServices table.
Copyright (c) 2009, 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.
**/
#include "PeiMain.h"
///
/// This default instance of EFI_PEI_CPU_IO_PPI install assigned to EFI_PEI_SERVICE.CpuIo
/// when PeiCore's initialization.
///
EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi = {
{
PeiDefaultMemRead,
PeiDefaultMemWrite
},
{
PeiDefaultIoRead,
PeiDefaultIoWrite
},
PeiDefaultIoRead8,
PeiDefaultIoRead16,
PeiDefaultIoRead32,
PeiDefaultIoRead64,
PeiDefaultIoWrite8,
PeiDefaultIoWrite16,
PeiDefaultIoWrite32,
PeiDefaultIoWrite64,
PeiDefaultMemRead8,
PeiDefaultMemRead16,
PeiDefaultMemRead32,
PeiDefaultMemRead64,
PeiDefaultMemWrite8,
PeiDefaultMemWrite16,
PeiDefaultMemWrite32,
PeiDefaultMemWrite64
};
/**
Memory-based read services.
This function is to perform the Memory Access Read service based on installed
instance of the EFI_PEI_CPU_IO_PPI.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return EFI_NOT_YET_AVAILABLE.
@param PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Width The width of the access. Enumerated in bytes.
@param Address The physical address of the access.
@param Count The number of accesses to perform.
@param Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
**/
EFI_STATUS
EFIAPI
PeiDefaultMemRead (
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 OUT VOID *Buffer
)
{
return EFI_NOT_AVAILABLE_YET;
}
/**
Memory-based write services.
This function is to perform the Memory Access Write service based on installed
instance of the EFI_PEI_CPU_IO_PPI.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return EFI_NOT_YET_AVAILABLE.
@param PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Width The width of the access. Enumerated in bytes.
@param Address The physical address of the access.
@param Count The number of accesses to perform.
@param Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
**/
EFI_STATUS
EFIAPI
PeiDefaultMemWrite (
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 OUT VOID *Buffer
)
{
return EFI_NOT_AVAILABLE_YET;
}
/**
IO-based read services.
This function is to perform the IO-base read service for the EFI_PEI_CPU_IO_PPI.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return EFI_NOT_YET_AVAILABLE.
@param PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Width The width of the access. Enumerated in bytes.
@param Address The physical address of the access.
@param Count The number of accesses to perform.
@param Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
**/
EFI_STATUS
EFIAPI
PeiDefaultIoRead (
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 OUT VOID *Buffer
)
{
return EFI_NOT_AVAILABLE_YET;
}
/**
IO-based write services.
This function is to perform the IO-base write service for the EFI_PEI_CPU_IO_PPI.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return EFI_NOT_YET_AVAILABLE.
@param PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Width The width of the access. Enumerated in bytes.
@param Address The physical address of the access.
@param Count The number of accesses to perform.
@param Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
**/
EFI_STATUS
EFIAPI
PeiDefaultIoWrite (
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 OUT VOID *Buffer
)
{
return EFI_NOT_AVAILABLE_YET;
}
/**
8-bit I/O read operations.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return An 8-bit value returned from the I/O space.
**/
UINT8
EFIAPI
PeiDefaultIoRead8 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
Reads an 16-bit I/O port.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return A 16-bit value returned from the I/O space.
**/
UINT16
EFIAPI
PeiDefaultIoRead16 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
Reads an 32-bit I/O port.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return A 32-bit value returned from the I/O space.
**/
UINT32
EFIAPI
PeiDefaultIoRead32 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
Reads an 64-bit I/O port.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return A 64-bit value returned from the I/O space.
**/
UINT64
EFIAPI
PeiDefaultIoRead64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
8-bit I/O write operations.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultIoWrite8 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultIoWrite16 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultIoWrite32 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultIoWrite64 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return An 8-bit value returned from the memory space.
**/
UINT8
EFIAPI
PeiDefaultMemRead8 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
16-bit memory read operations.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return An 16-bit value returned from the memory space.
**/
UINT16
EFIAPI
PeiDefaultMemRead16 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
32-bit memory read operations.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return An 32-bit value returned from the memory space.
**/
UINT32
EFIAPI
PeiDefaultMemRead32 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
64-bit memory read operations.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
return 0.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@return An 64-bit value returned from the memory space.
**/
UINT64
EFIAPI
PeiDefaultMemRead64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
)
{
return 0;
}
/**
8-bit memory write operations.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultMemWrite8 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultMemWrite16 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultMemWrite32 (
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.
If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
nothing.
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
@param This Pointer to local data for the interface.
@param Address The physical address of the access.
@param Data The data to write.
**/
VOID
EFIAPI
PeiDefaultMemWrite64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT64 Data
)
{
}
|
