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55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/** @file
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SMM Core SMM Services Table Library.
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Copyright (c) 2010 - 2018, 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 <PiSmm.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/DebugLib.h>
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EFI_SMM_SYSTEM_TABLE2 *gSmst = NULL;
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extern EFI_SMM_SYSTEM_TABLE2 gSmmCoreSmst;
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/**
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The constructor function caches the pointer of SMM Services Table.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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SmmCoreSmmServicesTableLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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gSmst = &gSmmCoreSmst;
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return EFI_SUCCESS;
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}
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/**
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This function allows the caller to determine if the driver is executing in
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System Management Mode(SMM).
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This function returns TRUE if the driver is executing in SMM and FALSE if the
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driver is not executing in SMM.
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@retval TRUE The driver is executing in System Management Mode (SMM).
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@retval FALSE The driver is not executing in System Management Mode (SMM).
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**/
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BOOLEAN
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EFIAPI
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InSmm (
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VOID
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)
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{
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return TRUE;
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}
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