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IntelSiliconPkg IntelVTdDxe: Remove mVtdHostAddressWidthMask 

mVtdHostAddressWidthMask is not been used at all,
its definition and related code could be removed.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Star Zeng 2018-01-16 18:56:44 +08:00
parent 9dd8b1908e
commit 9eaa902a52
3 changed files with 1 additions and 5 deletions
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1
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.h
View File

@ -124,7 +124,6 @@ EFI_STATUS
extern EFI_ACPI_DMAR_HEADER *mAcpiDmarTable;
extern UINT64 mVtdHostAddressWidthMask;
extern UINTN mVtdUnitNumber;
extern VTD_UNIT_INFORMATION *mVtdUnitInformation;

2
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
View File

@ -806,8 +806,6 @@ ParseDmarAcpiTableDrhd (
return EFI_OUT_OF_RESOURCES;
}
mVtdHostAddressWidthMask = LShiftU64 (1ull, mAcpiDmarTable->HostAddressWidth) - 1;
VtdIndex = 0;
DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));
while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {

3
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -13,7 +13,6 @@
#include "DmaProtection.h"
UINT64 mVtdHostAddressWidthMask;
UINTN mVtdUnitNumber;
VTD_UNIT_INFORMATION *mVtdUnitInformation;