e2747dbb5a
This commit adds the VarCheckPolicyLib that will be able to execute in the context of standalone MM. Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org> Co-authored-by: Kun Qin <kun.q@outlook.com> Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao A Wu <hao.a.wu@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Sami Mujawar <sami.mujawar@arm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Supreeth Venkatesh <supreeth.venkatesh@arm.com> Cc: Bret Barkelew <Bret.Barkelew@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/** @file -- VarCheckPolicyLibTraditional.c
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This is an instance of a VarCheck lib constructor for traditional SMM.
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Copyright (c) Microsoft Corporation. All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Library/SmmMemLib.h>
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#include "VarCheckPolicyLib.h"
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/**
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Traditional constructor function of VarCheckPolicyLib to invoke common
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constructor routine.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor executed correctly.
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**/
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EFI_STATUS
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EFIAPI
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VarCheckPolicyLibTraditionalConstructor (
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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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return VarCheckPolicyLibCommonConstructor ();
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}
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/**
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This function is wrapper function to validate the buffer.
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@param Buffer The buffer start address to be checked.
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@param Length The buffer length to be checked.
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@retval TRUE This buffer is valid per processor architecture and not overlap with SMRAM.
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@retval FALSE This buffer is not valid per processor architecture or overlap with SMRAM.
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**/
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BOOLEAN
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EFIAPI
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VarCheckPolicyIsBufferOutsideValid (
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IN EFI_PHYSICAL_ADDRESS Buffer,
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IN UINT64 Length
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)
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{
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return SmmIsBufferOutsideSmmValid (Buffer, Length);
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}
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