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512e23a333
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/** @file
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Execute 32-bit code in Protected Mode.
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Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <FspEas.h>
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/**
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FSP API functions.
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@param[in] Param1 The first parameter to pass to 32bit code.
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@param[in] Param2 The second parameter to pass to 32bit code.
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@return EFI_STATUS.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *FSP_FUNCTION) (
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IN VOID *Param1,
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IN VOID *Param2
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);
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/**
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Wrapper for a thunk to transition from long mode to compatibility mode to execute 32-bit code and then transit back to
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long mode.
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@param[in] Function The 32bit code entry to be executed.
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@param[in] Param1 The first parameter to pass to 32bit code.
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@param[in] Param2 The second parameter to pass to 32bit code.
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@return EFI_STATUS.
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**/
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EFI_STATUS
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Execute32BitCode (
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IN UINT64 Function,
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IN UINT64 Param1,
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IN UINT64 Param2
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)
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{
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FSP_FUNCTION EntryFunc;
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EFI_STATUS Status;
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EntryFunc = (FSP_FUNCTION) (UINTN) (Function);
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Status = EntryFunc ((VOID *)(UINTN)Param1, (VOID *)(UINTN)Param2);
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return Status;
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}
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