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IntelSiliconPkg IntelVTdDxe: Remove mVtdHostAddressWidthMask

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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>
(cherry picked from commit 9eaa902a52)
This commit is contained in:
Star Zeng
2018-01-16 18:56:44 +08:00
parent ae665c4fa1
commit 9bebced571
3 changed files with 1 additions and 5 deletions
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1
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.h
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@ -124,7 +124,6 @@ EFI_STATUS
extern EFI_ACPI_DMAR_HEADER *mAcpiDmarTable; extern EFI_ACPI_DMAR_HEADER *mAcpiDmarTable;
extern UINT64 mVtdHostAddressWidthMask;
extern UINTN mVtdUnitNumber; extern UINTN mVtdUnitNumber;
extern VTD_UNIT_INFORMATION *mVtdUnitInformation; extern VTD_UNIT_INFORMATION *mVtdUnitInformation;

2
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmarAcpiTable.c
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@ -806,8 +806,6 @@ ParseDmarAcpiTableDrhd (
return EFI_OUT_OF_RESOURCES; return EFI_OUT_OF_RESOURCES;
} }
mVtdHostAddressWidthMask = LShiftU64 (1ull, mAcpiDmarTable->HostAddressWidth) - 1;
VtdIndex = 0; VtdIndex = 0;
DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1)); DmarHeader = (EFI_ACPI_DMAR_STRUCTURE_HEADER *)((UINTN)(mAcpiDmarTable + 1));
while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) { while ((UINTN)DmarHeader < (UINTN)mAcpiDmarTable + mAcpiDmarTable->Header.Length) {

3
IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c
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@ -1,6 +1,6 @@
/** @file /** @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 This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -13,7 +13,6 @@
#include "DmaProtection.h" #include "DmaProtection.h"
UINT64 mVtdHostAddressWidthMask;
UINTN mVtdUnitNumber; UINTN mVtdUnitNumber;
VTD_UNIT_INFORMATION *mVtdUnitInformation; VTD_UNIT_INFORMATION *mVtdUnitInformation;