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Vlv2DeviceRefCodePkg&Vlv2DevicePkg:Add sample WSMT table.

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This is an sample WSMT table, which we only
update BIT0 and BIT1 of Protections flags fields.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: lushifex <shifeix.a.lu@intel.com>
Reviewed-by: David Wei <david.wei@intel.com>
This commit is contained in:
Lu, ShifeiX A
2016-07-28 16:21:28 +08:00
committed by david wei
parent b52e697b2a
commit 2c855d3aaf
3 changed files with 75 additions and 1 deletions
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13
Vlv2TbltDevicePkg/AcpiPlatform/AcpiPlatform.c
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@@ -58,6 +58,7 @@ Abstract:
#include <PchAccess.h>
#include <Guid/Vlv2Variable.h>
#include <Guid/PlatformCpuInfo.h>
#include <IndustryStandard/WindowsSmmSecurityMitigationTable.h>
CHAR16 EfiPlatformCpuInfoVariable[] = L"PlatformCpuInfo";
@@ -238,6 +239,7 @@ PlatformUpdateTables (
UINT8 TempVal;
EFI_ACPI_3_0_IO_APIC_STRUCTURE *IOApicType;
EFI_ACPI_3_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER *APICTableHeader;
EFI_ACPI_WSMT_TABLE *WsmtTable;
CurrPtr = NULL;
EndPtr = NULL;
@@ -599,6 +601,17 @@ PlatformUpdateTables (
gBS->FreePool (OcurModelStringBuffer);
gBS->FreePool (OcurRefDataBlockBuffer);
break;
case EFI_ACPI_WINDOWS_SMM_SECURITY_MITIGATION_TABLE_SIGNATURE:
WsmtTable = (EFI_ACPI_WSMT_TABLE *) Table;
//
// Update Microsoft WSMT table Protections flags.
//
WsmtTable->ProtectionFlags = ((WsmtTable->ProtectionFlags) | (EFI_WSMT_PROTECTION_FLAGS_FIXED_COMM_BUFFERS | EFI_WSMT_PROTECTION_FLAGS_COMM_BUFFER_NESTED_PTR_PROTECTION ));
break;
default:
break;
}