audk/MdeModulePkg/Library/VarCheckPolicyLib/VarCheckPolicyLibTraditional.c

51 lines
1.3 KiB
C

/** @file -- VarCheckPolicyLibTraditional.c
This is an instance of a VarCheck lib constructor for traditional SMM.
Copyright (c) Microsoft Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/SmmMemLib.h>
#include "VarCheckPolicyLib.h"
/**
Traditional constructor function of VarCheckPolicyLib to invoke common
constructor routine.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor executed correctly.
**/
EFI_STATUS
EFIAPI
VarCheckPolicyLibTraditionalConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
return VarCheckPolicyLibCommonConstructor ();
}
/**
This function is wrapper function to validate the buffer.
@param Buffer The buffer start address to be checked.
@param Length The buffer length to be checked.
@retval TRUE This buffer is valid per processor architecture and not overlap with SMRAM.
@retval FALSE This buffer is not valid per processor architecture or overlap with SMRAM.
**/
BOOLEAN
EFIAPI
VarCheckPolicyIsBufferOutsideValid (
IN EFI_PHYSICAL_ADDRESS Buffer,
IN UINT64 Length
)
{
return SmmIsBufferOutsideSmmValid (Buffer, Length);
}