OvmfPkg/TdxHelperLib: Refactor for new APIs

Add below APIs to support the implementation for CC measurement. - TdxHelperMapPcrToMrIndex - TdxHelperHashAndExtendToRtmr - TdxHelperBuildTdxMeasurementGuidHob Cc: Erdem Aktas <erdemaktas@google.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Min Xu <min.m.xu@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Min Xu <min.m.xu@intel.com> Signed-off-by: Ceping Sun <cepingx.sun@intel.com>
author: Ceping Sun <cepingx.sun@intel.com> 2024-11-26 21:22:28 -0500
committer: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> 2024-12-10 02:09:29 +0000
commit: b6b1fdb0731d893339597d2c8f415b7f41c02230 (patch)
tree: 81ed617d80bf6de459df83e6f9bce6d6f6581f7d /OvmfPkg
parent: cc0ec8ebaee52e762613356e7ae765a99e98f94c (diff)
download: edk2-b6b1fdb0731d893339597d2c8f415b7f41c02230.tar.gz
9 files changed, 447 insertions, 55 deletions
diff --git a/OvmfPkg/Include/Library/TdxHelperLib.h b/OvmfPkg/Include/Library/TdxHelperLib.h
index 199aade42f..39c2997e08 100644
--- a/OvmfPkg/Include/Library/TdxHelperLib.h
+++ b/OvmfPkg/Include/Library/TdxHelperLib.h
@@ -11,6 +11,12 @@
 
 #include <PiPei.h>
 
+#define   CC_MR_INDEX_0_MRTD   0
+#define   CC_MR_INDEX_1_RTMR0  1
+#define   CC_MR_INDEX_2_RTMR1  2
+#define   CC_MR_INDEX_3_RTMR2  3
+#define   CC_MR_INDEX_INVALID  4
+
 /**
   In Tdx guest, some information need to be passed from host VMM to guest
   firmware. For example, the memory resource, etc. These information are
@@ -67,4 +73,71 @@ TdxHelperBuildGuidHobForTdxMeasurement (
   VOID
   );
 
+/**
+  According to UEFI Spec 2.10 Section 38.4.1:
+    The following table shows the TPM PCR index mapping and CC event log measurement
+  register index interpretation for Intel TDX, where MRTD means Trust Domain Measurement
+   Register and RTMR means Runtime Measurement Register
+    // TPM PCR Index | CC Measurement Register Index | TDX-measurement register
+    //  ------------------------------------------------------------------------
+    // 0             |   0                           |   MRTD
+    // 1, 7          |   1                           |   RTMR[0]
+    // 2~6           |   2                           |   RTMR[1]
+    // 8~15          |   3                           |   RTMR[2]
+  @param[in] PCRIndex Index of the TPM PCR
+  @retval    UINT32               Index of the CC Event Log Measurement Register Index
+  @retval    CC_MR_INDEX_INVALID  Invalid MR Index
+**/
+UINT32
+EFIAPI
+TdxHelperMapPcrToMrIndex (
+  IN  UINT32  PCRIndex
+  );
+
+/**
+ * Build GuidHob for Tdx CC measurement event.
+ *
+ * @param RtmrIndex     RTMR index
+ * @param EventType     Event type
+ * @param EventData     Event data
+ * @param EventSize     Size of event data
+ * @param HashValue     Hash value
+ * @param HashSize      Size of hash
+ *
+ * @retval EFI_SUCCESS  Successfully build the GuidHobs
+ * @retval Others       Other error as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperBuildTdxMeasurementGuidHob (
+  UINT32  RtmrIndex,
+  UINT32  EventType,
+  UINT8   *EventData,
+  UINT32  EventSize,
+  UINT8   *HashValue,
+  UINT32  HashSize
+  );
+
+/**
+ * Calculate the sha384 of input Data and extend it to RTMR register.
+ *
+ * @param RtmrIndex       Index of the RTMR register
+ * @param DataToHash      Data to be hashed
+ * @param DataToHashLen   Length of the data
+ * @param Digest          Hash value of the input data
+ * @param DigestLen       Length of the hash value
+ *
+ * @retval EFI_SUCCESS    Successfully hash and extend to RTMR
+ * @retval Others         Other errors as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperHashAndExtendToRtmr (
+  IN UINT32  RtmrIndex,
+  IN VOID    *DataToHash,
+  IN UINTN   DataToHashLen,
+  OUT UINT8  *Digest,
+  IN  UINTN  DigestLen
+  );
+
 #endif
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/DxeTdxHelper.c b/OvmfPkg/IntelTdx/TdxHelperLib/DxeTdxHelper.c
new file mode 100644
index 0000000000..3437132488
--- /dev/null
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/DxeTdxHelper.c
@@ -0,0 +1,94 @@
+/** @file
+   TdxHelper Functions which are used in DXE phase
+
+Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <Base.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/TdxHelperLib.h>
+
+/**
+ * Build GuidHob for Tdx CC measurement event.
+ */
+EFI_STATUS
+BuildTdxMeasurementGuidHob (
+  UINT32  RtmrIndex,
+  UINT32  EventType,
+  UINT8   *EventData,
+  UINT32  EventSize,
+  UINT8   *HashValue,
+  UINT32  HashSize
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  In Tdx guest, some information need to be passed from host VMM to guest
+  firmware. For example, the memory resource, etc. These information are
+  prepared by host VMM and put in TdHob which is described in TdxMetadata.
+  TDVF processes the TdHob to accept memories.
+
+  @retval   EFI_SUCCESS   Successfully process the TdHob
+  @retval   Others        Other error as indicated
+**/
+EFI_STATUS
+EFIAPI
+TdxHelperProcessTdHob (
+  VOID
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  In Tdx guest, TdHob is passed from host VMM to guest firmware and it contains
+  the information of the memory resource. From the security perspective before
+  it is consumed, it should be measured and extended.
+ *
+ * @retval EFI_SUCCESS Successfully measure the TdHob
+ * @retval Others      Other error as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperMeasureTdHob (
+  VOID
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+ * In Tdx guest, Configuration FV (CFV) is treated as external input because it
+ * may contain the data provided by VMM. From the sucurity perspective Cfv image
+ * should be measured before it is consumed.
+ *
+ * @retval EFI_SUCCESS Successfully measure the CFV image
+ * @retval Others      Other error as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperMeasureCfvImage (
+  VOID
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  Build the GuidHob for tdx measurements which were done in SEC phase.
+  The measurement values are stored in WorkArea.
+
+  @retval EFI_SUCCESS  The GuidHob is built successfully
+  @retval Others       Other errors as indicated
+**/
+EFI_STATUS
+EFIAPI
+TdxHelperBuildGuidHobForTdxMeasurement (
+  VOID
+  )
+{
+  return EFI_UNSUPPORTED;
+}
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/DxeTdxHelperLib.inf b/OvmfPkg/IntelTdx/TdxHelperLib/DxeTdxHelperLib.inf
new file mode 100644
index 0000000000..36be2e4761
--- /dev/null
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/DxeTdxHelperLib.inf
@@ -0,0 +1,41 @@
+## @file
+#  TdxHelperLib Dxe instance
+#
+#  This module provides Tdx helper functions in DXE phase.
+#  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = DxeTdxHelperLib
+  FILE_GUID                      = d9568aa2-ace6-11ef-8ef3-733e978530b2
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = TdxHelperLib|DXE_DRIVER DXE_RUNTIME_DRIVER
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = X64
+#
+
+[Sources]
+  DxeTdxHelper.c
+  TdxHelperCommon.c
+
+[Packages]
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+  OvmfPkg/OvmfPkg.dec
+  SecurityPkg/SecurityPkg.dec
+  CryptoPkg/CryptoPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+  HobLib
+  PcdLib
+  BaseCryptLib
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/PeiTdxHelperLib.inf b/OvmfPkg/IntelTdx/TdxHelperLib/PeiTdxHelperLib.inf
index ad3b6c1da6..e929626bc5 100644
--- a/OvmfPkg/IntelTdx/TdxHelperLib/PeiTdxHelperLib.inf
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/PeiTdxHelperLib.inf
@@ -25,18 +25,21 @@
 [Sources]
   PeiTdxHelper.c
   TdxMeasurementHob.c
+  TdxHelperCommon.c
 
 [Packages]
   MdeModulePkg/MdeModulePkg.dec
   MdePkg/MdePkg.dec
   OvmfPkg/OvmfPkg.dec
   SecurityPkg/SecurityPkg.dec
+  CryptoPkg/CryptoPkg.dec
 
 [LibraryClasses]
   BaseLib
   DebugLib
   HobLib
   PcdLib
+  BaseCryptLib
 
 [FixedPcd]
   gUefiOvmfPkgTokenSpaceGuid.PcdOvmfWorkAreaBase
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
index 19e9b1bf54..6f8daef4cb 100644
--- a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
@@ -807,58 +807,6 @@ TdxHelperProcessTdHob (
 }
 
 /**
- * Calculate the sha384 of input Data and extend it to RTMR register.
- *
- * @param RtmrIndex       Index of the RTMR register
- * @param DataToHash      Data to be hashed
- * @param DataToHashLen   Length of the data
- * @param Digest          Hash value of the input data
- * @param DigestLen       Length of the hash value
- *
- * @retval EFI_SUCCESS    Successfully hash and extend to RTMR
- * @retval Others         Other errors as indicated
- */
-STATIC
-EFI_STATUS
-HashAndExtendToRtmr (
-  IN UINT32  RtmrIndex,
-  IN VOID    *DataToHash,
-  IN UINTN   DataToHashLen,
-  OUT UINT8  *Digest,
-  IN  UINTN  DigestLen
-  )
-{
-  EFI_STATUS  Status;
-
-  if ((DataToHash == NULL) || (DataToHashLen == 0)) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  if ((Digest == NULL) || (DigestLen != SHA384_DIGEST_SIZE)) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  //
-  // Calculate the sha384 of the data
-  //
-  if (!Sha384HashAll (DataToHash, DataToHashLen, Digest)) {
-    return EFI_ABORTED;
-  }
-
-  //
-  // Extend to RTMR
-  //
-  Status = TdExtendRtmr (
-             (UINT32 *)Digest,
-             SHA384_DIGEST_SIZE,
-             (UINT8)RtmrIndex
-             );
-
-  ASSERT (!EFI_ERROR (Status));
-  return Status;
-}
-
-/**
   In Tdx guest, TdHob is passed from host VMM to guest firmware and it contains
   the information of the memory resource. From the security perspective before
   it is consumed, it should be measured and extended.
@@ -888,7 +836,7 @@ TdxHelperMeasureTdHob (
     Hob.Raw = GET_NEXT_HOB (Hob);
   }
 
-  Status = HashAndExtendToRtmr (
+  Status = TdxHelperHashAndExtendToRtmr (
              0,
              (UINT8 *)TdHob,
              (UINTN)((UINT8 *)Hob.Raw - (UINT8 *)TdHob),
@@ -933,7 +881,7 @@ TdxHelperMeasureCfvImage (
   UINT8           Digest[SHA384_DIGEST_SIZE];
   OVMF_WORK_AREA  *WorkArea;
 
-  Status = HashAndExtendToRtmr (
+  Status = TdxHelperHashAndExtendToRtmr (
              0,
              (UINT8 *)(UINTN)PcdGet32 (PcdOvmfFlashNvStorageVariableBase),
              (UINT64)PcdGet32 (PcdCfvRawDataSize),
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelperLib.inf b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelperLib.inf
index d17b84c01f..b536eb4ec9 100644
--- a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelperLib.inf
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelperLib.inf
@@ -25,6 +25,7 @@
 [Sources]
   SecTdxHelper.c
   TdxMeasurementHob.c
+  TdxHelperCommon.c
 
 [Packages]
   CryptoPkg/CryptoPkg.dec
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperCommon.c b/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperCommon.c
new file mode 100644
index 0000000000..e52ba7bcae
--- /dev/null
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperCommon.c
@@ -0,0 +1,156 @@
+/** @file
+   TdxHelper Common Functions
+
+Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <PiPei.h>
+#include <Ppi/CcMeasurement.h>
+#include <Library/DebugLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/TdxLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/BaseCryptLib.h>
+#include <Library/HobLib.h>
+#include <Library/TdxHelperLib.h>
+
+/**
+  According to UEFI Spec 2.10 Section 38.4.1:
+    The following table shows the TPM PCR index mapping and CC event log measurement
+  register index interpretation for Intel TDX, where MRTD means Trust Domain Measurement
+   Register and RTMR means Runtime Measurement Register
+    // TPM PCR Index | CC Measurement Register Index | TDX-measurement register
+    //  ------------------------------------------------------------------------
+    // 0             |   0                           |   MRTD
+    // 1, 7          |   1                           |   RTMR[0]
+    // 2~6           |   2                           |   RTMR[1]
+    // 8~15          |   3                           |   RTMR[2]
+  @param[in] PCRIndex Index of the TPM PCR
+  @retval    UINT32               Index of the CC Event Log Measurement Register Index
+  @retval    CC_MR_INDEX_INVALID  Invalid MR Index
+**/
+UINT32
+EFIAPI
+TdxHelperMapPcrToMrIndex (
+  IN  UINT32  PCRIndex
+  )
+{
+  UINT32  MrIndex;
+
+  if (PCRIndex > 15) {
+    ASSERT (FALSE);
+    return CC_MR_INDEX_INVALID;
+  }
+
+  MrIndex = 0;
+  if (PCRIndex == 0) {
+    MrIndex = CC_MR_INDEX_0_MRTD;
+  } else if ((PCRIndex == 1) || (PCRIndex == 7)) {
+    MrIndex = CC_MR_INDEX_1_RTMR0;
+  } else if ((PCRIndex >= 2) && (PCRIndex <= 6)) {
+    MrIndex = CC_MR_INDEX_2_RTMR1;
+  } else if ((PCRIndex >= 8) && (PCRIndex <= 15)) {
+    MrIndex = CC_MR_INDEX_3_RTMR2;
+  }
+
+  return MrIndex;
+}
+
+/**
+ * Calculate the sha384 of input Data and extend it to RTMR register.
+ *
+ * @param RtmrIndex       Index of the RTMR register
+ * @param DataToHash      Data to be hashed
+ * @param DataToHashLen   Length of the data
+ * @param Digest          Hash value of the input data
+ * @param DigestLen       Length of the hash value
+ *
+ * @retval EFI_SUCCESS    Successfully hash and extend to RTMR
+ * @retval Others         Other errors as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperHashAndExtendToRtmr (
+  IN UINT32  RtmrIndex,
+  IN VOID    *DataToHash,
+  IN UINTN   DataToHashLen,
+  OUT UINT8  *Digest,
+  IN  UINTN  DigestLen
+  )
+{
+  EFI_STATUS  Status;
+
+  if ((DataToHash == NULL) || (DataToHashLen == 0)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if ((Digest == NULL) || (DigestLen != SHA384_DIGEST_SIZE)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  //
+  // Calculate the sha384 of the data
+  //
+  if (!Sha384HashAll (DataToHash, DataToHashLen, Digest)) {
+    return EFI_ABORTED;
+  }
+
+  //
+  // Extend to RTMR
+  //
+  Status = TdExtendRtmr (
+             (UINT32 *)Digest,
+             SHA384_DIGEST_SIZE,
+             (UINT8)RtmrIndex
+             );
+  ASSERT (!EFI_ERROR (Status));
+  return Status;
+}
+
+/**
+ * Build GuidHob for Tdx CC measurement event.
+ */
+EFI_STATUS
+BuildTdxMeasurementGuidHob (
+  UINT32  RtmrIndex,
+  UINT32  EventType,
+  UINT8   *EventData,
+  UINT32  EventSize,
+  UINT8   *HashValue,
+  UINT32  HashSize
+  );
+
+/**
+ * Build GuidHob for Tdx CC measurement event.
+ *
+ * @param RtmrIndex     RTMR index
+ * @param EventType     Event type
+ * @param EventData     Event data
+ * @param EventSize     Size of event data
+ * @param HashValue     Hash value
+ * @param HashSize      Size of hash
+ *
+ * @retval EFI_SUCCESS  Successfully build the GuidHobs
+ * @retval Others       Other error as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperBuildTdxMeasurementGuidHob (
+  UINT32  RtmrIndex,
+  UINT32  EventType,
+  UINT8   *EventData,
+  UINT32  EventSize,
+  UINT8   *HashValue,
+  UINT32  HashSize
+  )
+{
+  return BuildTdxMeasurementGuidHob (
+           RtmrIndex,
+           EventType,
+           EventData,
+           EventSize,
+           HashValue,
+           HashSize
+           );
+}
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperNull.c b/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperNull.c
index a2125190d6..ecadca0783 100644
--- a/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperNull.c
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/TdxHelperNull.c
@@ -9,6 +9,7 @@
 
 #include <Base.h>
 #include <PiPei.h>
+#include <Library/TdxHelperLib.h>
 
 /**
   In Tdx guest, some information need to be passed from host VMM to guest
@@ -77,3 +78,79 @@ TdxHelperBuildGuidHobForTdxMeasurement (
 {
   return EFI_UNSUPPORTED;
 }
+
+/**
+  According to UEFI Spec 2.10 Section 38.4.1:
+    The following table shows the TPM PCR index mapping and CC event log measurement
+  register index interpretation for Intel TDX, where MRTD means Trust Domain Measurement
+   Register and RTMR means Runtime Measurement Register
+    // TPM PCR Index | CC Measurement Register Index | TDX-measurement register
+    //  ------------------------------------------------------------------------
+    // 0             |   0                           |   MRTD
+    // 1, 7          |   1                           |   RTMR[0]
+    // 2~6           |   2                           |   RTMR[1]
+    // 8~15          |   3                           |   RTMR[2]
+  @param[in] PCRIndex Index of the TPM PCR
+  @retval    UINT32               Index of the CC Event Log Measurement Register Index
+  @retval    CC_MR_INDEX_INVALID  Invalid MR Index
+**/
+UINT32
+EFIAPI
+TdxHelperMapPcrToMrIndex (
+  IN  UINT32  PCRIndex
+  )
+{
+  return CC_MR_INDEX_INVALID;
+}
+
+/**
+ * Calculate the sha384 of input Data and extend it to RTMR register.
+ *
+ * @param RtmrIndex       Index of the RTMR register
+ * @param DataToHash      Data to be hashed
+ * @param DataToHashLen   Length of the data
+ * @param Digest          Hash value of the input data
+ * @param DigestLen       Length of the hash value
+ *
+ * @retval EFI_SUCCESS    Successfully hash and extend to RTMR
+ * @retval Others         Other errors as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperHashAndExtendToRtmr (
+  IN UINT32  RtmrIndex,
+  IN VOID    *DataToHash,
+  IN UINTN   DataToHashLen,
+  OUT UINT8  *Digest,
+  IN  UINTN  DigestLen
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+ * Build GuidHob for Tdx CC measurement event.
+ *
+ * @param RtmrIndex     RTMR index
+ * @param EventType     Event type
+ * @param EventData     Event data
+ * @param EventSize     Size of event data
+ * @param HashValue     Hash value
+ * @param HashSize      Size of hash
+ *
+ * @retval EFI_SUCCESS  Successfully build the GuidHobs
+ * @retval Others       Other error as indicated
+ */
+EFI_STATUS
+EFIAPI
+TdxHelperBuildTdxMeasurementGuidHob (
+  UINT32  RtmrIndex,
+  UINT32  EventType,
+  UINT8   *EventData,
+  UINT32  EventSize,
+  UINT8   *HashValue,
+  UINT32  HashSize
+  )
+{
+  return EFI_UNSUPPORTED;
+}
diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/TdxMeasurementHob.c b/OvmfPkg/IntelTdx/TdxHelperLib/TdxMeasurementHob.c
index a4c7095cff..42c51a191f 100644
--- a/OvmfPkg/IntelTdx/TdxHelperLib/TdxMeasurementHob.c
+++ b/OvmfPkg/IntelTdx/TdxHelperLib/TdxMeasurementHob.c
@@ -51,7 +51,6 @@ typedef PLATFORM_FIRMWARE_BLOB2_STRUCT CFV_HANDOFF_TABLE_POINTERS2;
  * @retval EFI_SUCCESS  Successfully build the GuidHobs
  * @retval Others       Other error as indicated
  */
-STATIC
 EFI_STATUS
 BuildTdxMeasurementGuidHob (
   UINT32  RtmrIndex,
author	Ceping Sun <cepingx.sun@intel.com>	2024-11-26 21:22:28 -0500
committer	mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>	2024-12-10 02:09:29 +0000
commit	b6b1fdb0731d893339597d2c8f415b7f41c02230 (patch)
tree	81ed617d80bf6de459df83e6f9bce6d6f6581f7d /OvmfPkg
parent	cc0ec8ebaee52e762613356e7ae765a99e98f94c (diff)
download	edk2-b6b1fdb0731d893339597d2c8f415b7f41c02230.tar.gz