PeiFspWrapperMultiPhaseProcessLib.c File Reference

#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/FspWrapperApiLib.h>
#include <Library/FspWrapperPlatformLib.h>
#include <FspEas.h>
#include <FspGlobalData.h>
#include <Ppi/ReadOnlyVariable2.h>
#include <Ppi/Variable.h>
#include <Library/PeiServicesLib.h>
#include <Library/FspWrapperPlatformMultiPhaseLib.h>

Go to the source code of this file.

Functions
EFI_STATUS	Execute32BitCode (IN UINT64 Function, IN UINT64 Param1, IN UINT64 Param2)
EFI_STATUS	Execute64BitCode (IN UINT64 Function, IN UINT64 Param1, IN UINT64 Param2)
EFI_STATUS EFIAPI	CallFspMultiPhaseEntry (IN VOID *FspMultiPhaseParams, IN OUT VOID **FspHobListPtr, IN UINT8 ComponentIndex)
EFI_STATUS EFIAPI	FspWrapperVariableRequestHandler (IN OUT VOID **FspHobListPtr, IN UINT8 ComponentIndex)
EFI_STATUS EFIAPI	FspWrapperMultiPhaseHandler (IN OUT VOID **FspHobListPtr, IN UINT8 ComponentIndex)

Detailed Description

Support FSP Wrapper MultiPhase process.

Copyright (c) 2022, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file PeiFspWrapperMultiPhaseProcessLib.c.

Function Documentation

CallFspMultiPhaseEntry()

EFI_STATUS EFIAPI CallFspMultiPhaseEntry	(	IN VOID *	FspMultiPhaseParams,
		IN OUT VOID **	FspHobListPtr,
		IN UINT8	ComponentIndex
	)

Call FspsMultiPhase API.

Parameters

[in]	FspsMultiPhaseParams	- Parameters for MultiPhase API.
[in]	FspHobListPtr	- Pointer to FSP HobList (valid after FSP-M completed)
[in]	ComponentIndex	- FSP Component which executing MultiPhase initialization.

Returns

EFI_UNSUPPORTED - the requested FspsMultiPhase API is not supported.

EFI_DEVICE_ERROR - the FSP header was not found.

EFI status returned by FspsMultiPhase API.

Definition at line 66 of file PeiFspWrapperMultiPhaseProcessLib.c.

Execute32BitCode()

EFI_STATUS Execute32BitCode	(	IN UINT64	Function,
		IN UINT64	Param1,
		IN UINT64	Param2
	)

Execute 32-bit FSP API entry code.

Parameters

[in]	Function	The 32bit code entry to be executed.
[in]	Param1	The first parameter to pass to 32bit code.
[in]	Param2	The second parameter to pass to 32bit code.

Returns

EFI_STATUS.

Wrapper for a thunk to transition from long mode to compatibility mode to execute 32-bit code and then transit back to long mode.

Parameters

[in]	Function	The 32bit code entry to be executed.
[in]	Param1	The first parameter to pass to 32bit code.
[in]	Param2	The second parameter to pass to 32bit code.

Returns

EFI_STATUS.

Definition at line 38 of file DispatchExecute.c.

Execute64BitCode()

EFI_STATUS Execute64BitCode	(	IN UINT64	Function,
		IN UINT64	Param1,
		IN UINT64	Param2
	)

Execute 64-bit FSP API entry code.

Parameters

[in]	Function	The 64bit code entry to be executed.
[in]	Param1	The first parameter to pass to 64bit code.
[in]	Param2	The second parameter to pass to 64bit code.

Returns

EFI_STATUS.

Wrapper for a thunk to transition from compatibility mode to long mode to execute 64-bit code and then transit back to compatibility mode.

Parameters

[in]	Function	The 64bit code entry to be executed.
[in]	Param1	The first parameter to pass to 64bit code.
[in]	Param2	The second parameter to pass to 64bit code.

Returns

EFI_STATUS.

Wrapper to execute 64-bit code directly from long mode.

Parameters

[in]	Function	The 64bit code entry to be executed.
[in]	Param1	The first parameter to pass to 64bit code.
[in]	Param2	The second parameter to pass to 64bit code.

Returns

EFI_STATUS.

Definition at line 64 of file DispatchExecute.c.

FspWrapperMultiPhaseHandler()

EFI_STATUS EFIAPI FspWrapperMultiPhaseHandler	(	IN OUT VOID **	FspHobListPtr,
		IN UINT8	ComponentIndex
	)

FSP Wrapper MultiPhase Handler

Parameters

[in,out]	FspHobListPtr	- Pointer to FSP HobList (valid after FSP-M completed)
[in]	ComponentIndex	- FSP Component which executing MultiPhase initialization.

Return values

EFI_UNSUPPORTED	Specific MultiPhase action was not supported.
EFI_SUCCESS	MultiPhase action were completed successfully.

Definition at line 314 of file PeiFspWrapperMultiPhaseProcessLib.c.

FspWrapperVariableRequestHandler()

EFI_STATUS EFIAPI FspWrapperVariableRequestHandler	(	IN OUT VOID **	FspHobListPtr,
		IN UINT8	ComponentIndex
	)

FSP Wrapper Variable Request Handler

Parameters

[in,out]	FspHobListPtr	- Pointer to FSP HobList (valid after FSP-M completed)
[in]	ComponentIndex	- FSP Component which executing MultiPhase initialization.

Return values

EFI_UNSUPPORTED	FSP Wrapper cannot support the specific variable request, or FSP does not support VariableService
EFI_STATUS	Return FSP returned status

Definition at line 147 of file PeiFspWrapperMultiPhaseProcessLib.c.