DispatchExecute.c File Reference

#include <Uefi.h>
#include <FspEas.h>

Go to the source code of this file.

Typedefs
typedef EFI_STATUS(EFIAPI *	FSP_FUNCTION) (IN VOID *Param1, IN VOID *Param2)

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)

Detailed Description

Execute 32-bit code in Protected Mode.

Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file DispatchExecute.c.

Typedef Documentation

FSP_FUNCTION

typedef EFI_STATUS(EFIAPI * FSP_FUNCTION) (IN VOID *Param1, IN VOID *Param2)

FSP API functions.

Parameters

[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 21 of file DispatchExecute.c.

Function Documentation

Execute32BitCode()

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

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
	)

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.

Definition at line 64 of file DispatchExecute.c.