diff options
Diffstat (limited to 'SecurityPkg')
| -rw-r--r-- | SecurityPkg/SecurityPkg.dsc | 1 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.c | 6 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.inf | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc index 74ec429..a776655 100644 --- a/SecurityPkg/SecurityPkg.dsc +++ b/SecurityPkg/SecurityPkg.dsc @@ -67,6 +67,7 @@ VariableKeyLib|SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf
RpmcLib|SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
TcgEventLogRecordLib|SecurityPkg/Library/TcgEventLogRecordLib/TcgEventLogRecordLib.inf
+ MmUnblockMemoryLib|MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
[LibraryClasses.ARM]
#
diff --git a/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.c b/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.c index 924c3b4..e8844e4 100644 --- a/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.c +++ b/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.c @@ -38,6 +38,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include <Library/Tpm2DeviceLib.h>
#include <Library/Tpm2CommandLib.h>
#include <Library/UefiLib.h>
+#include <Library/MmUnblockMemoryLib.h>
//
// Physical Presence Interface Version supported by Platform
@@ -147,6 +148,11 @@ AssignOpRegion ( ZeroMem ((VOID *)(UINTN)MemoryAddress, Size);
OpRegion->RegionOffset = (UINT32) (UINTN) MemoryAddress;
OpRegion->RegionLen = (UINT8) Size;
+ // Request to unblock this region from MM core
+ Status = MmUnblockMemoryRequest (MemoryAddress, EFI_SIZE_TO_PAGES (Size));
+ if (Status != EFI_UNSUPPORTED && EFI_ERROR (Status)) {
+ ASSERT_EFI_ERROR (Status);
+ }
break;
}
}
diff --git a/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.inf b/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.inf index 42ddb4b..f1c6ae5 100644 --- a/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.inf +++ b/SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.inf @@ -57,6 +57,7 @@ Tpm2CommandLib
Tcg2PhysicalPresenceLib
PcdLib
+ MmUnblockMemoryLib
[Guids]
gEfiTpmDeviceInstanceTpm20DtpmGuid ## PRODUCES ## GUID # TPM device identifier
|