SecurityPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / SecurityPkg / Tcg / TcgPei / TcgPei.c

diff --git a/SecurityPkg/Tcg/TcgPei/TcgPei.c b/SecurityPkg/Tcg/TcgPei/TcgPei.c
index 1ed11a1b2964bd50357d0cf7065e32fcdae73452..0adfcc50c5098f783415556c2c39cd92a6332eb3 100644 (file)
--- a/SecurityPkg/Tcg/TcgPei/TcgPei.c
+++ b/SecurityPkg/Tcg/TcgPei/TcgPei.c
@@ -2,13 +2,7 @@
   Initialize TPM device and measure FVs before handing off control to DXE.\r
 \r
 Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution.  The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
@@ -41,6 +35,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/Tpm12DeviceLib.h>\r
 #include <Library/Tpm12CommandLib.h>\r
 #include <Library/BaseCryptLib.h>\r
+#include <Library/PerformanceLib.h>\r
 \r
 BOOLEAN                 mImageInMemory  = FALSE;\r
 \r
@@ -56,10 +51,17 @@ EFI_PEI_PPI_DESCRIPTOR  mTpmInitializationDonePpiList = {
   NULL\r
 };\r
 \r
+//\r
+// Number of firmware blobs to grow by each time we run out of room\r
+//\r
+#define FIRMWARE_BLOB_GROWTH_STEP 4\r
+\r
 EFI_PLATFORM_FIRMWARE_BLOB *mMeasuredBaseFvInfo;\r
+UINT32 mMeasuredMaxBaseFvIndex = 0;\r
 UINT32 mMeasuredBaseFvIndex = 0;\r
 \r
 EFI_PLATFORM_FIRMWARE_BLOB *mMeasuredChildFvInfo;\r
+UINT32 mMeasuredMaxChildFvIndex = 0;\r
 UINT32 mMeasuredChildFvIndex = 0;\r
 \r
 EFI_PEI_FIRMWARE_VOLUME_INFO_MEASUREMENT_EXCLUDED_PPI *mMeasurementExcludedFvPpi;\r
@@ -170,6 +172,8 @@ EndofPeiSignalNotifyCallBack (
 \r
   MeasuredHobData = NULL;\r
 \r
+  PERF_CALLBACK_BEGIN (&gEfiEndOfPeiSignalPpiGuid);\r
+\r
   //\r
   // Create a Guid hob to save all measured Fv\r
   //\r
@@ -195,6 +199,8 @@ EndofPeiSignalNotifyCallBack (
     CopyMem (&MeasuredHobData->MeasuredFvBuf[mMeasuredBaseFvIndex] , mMeasuredChildFvInfo, sizeof(EFI_PLATFORM_FIRMWARE_BLOB) * (mMeasuredChildFvIndex));\r
   }\r
 \r
+  PERF_CALLBACK_END (&gEfiEndOfPeiSignalPpiGuid);\r
+\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -419,13 +425,20 @@ MeasureFvImage (
   //\r
   // Add new FV into the measured FV list.\r
   //\r
-  ASSERT (mMeasuredBaseFvIndex < PcdGet32 (PcdPeiCoreMaxFvSupported));\r
-  if (mMeasuredBaseFvIndex < PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r
-    mMeasuredBaseFvInfo[mMeasuredBaseFvIndex].BlobBase   = FvBase;\r
-    mMeasuredBaseFvInfo[mMeasuredBaseFvIndex].BlobLength = FvLength;\r
-    mMeasuredBaseFvIndex++;\r
+  if (mMeasuredBaseFvIndex >= mMeasuredMaxBaseFvIndex) {\r
+    mMeasuredBaseFvInfo = ReallocatePool (\r
+                            sizeof (EFI_PLATFORM_FIRMWARE_BLOB) * mMeasuredMaxBaseFvIndex,\r
+                            sizeof (EFI_PLATFORM_FIRMWARE_BLOB) * (mMeasuredMaxBaseFvIndex + FIRMWARE_BLOB_GROWTH_STEP),\r
+                            mMeasuredBaseFvInfo\r
+                            );\r
+    ASSERT (mMeasuredBaseFvInfo != NULL);\r
+    mMeasuredMaxBaseFvIndex = mMeasuredMaxBaseFvIndex + FIRMWARE_BLOB_GROWTH_STEP;\r
   }\r
 \r
+  mMeasuredBaseFvInfo[mMeasuredBaseFvIndex].BlobBase   = FvBase;\r
+  mMeasuredBaseFvInfo[mMeasuredBaseFvIndex].BlobLength = FvLength;\r
+  mMeasuredBaseFvIndex++;\r
+\r
   return Status;\r
 }\r
 \r
@@ -532,20 +545,26 @@ FirmwareVolmeInfoPpiNotifyCallback (
   //\r
   if (Fv->ParentFvName != NULL || Fv->ParentFileName != NULL ) {\r
 \r
-    ASSERT (mMeasuredChildFvIndex < PcdGet32 (PcdPeiCoreMaxFvSupported));\r
-    if (mMeasuredChildFvIndex < PcdGet32 (PcdPeiCoreMaxFvSupported)) {\r
-      //\r
-      // Check whether FV is in the measured child FV list.\r
-      //\r
-      for (Index = 0; Index < mMeasuredChildFvIndex; Index++) {\r
-        if (mMeasuredChildFvInfo[Index].BlobBase == (EFI_PHYSICAL_ADDRESS) (UINTN) Fv->FvInfo) {\r
-          return EFI_SUCCESS;\r
-        }\r
+    if (mMeasuredChildFvIndex >= mMeasuredMaxChildFvIndex) {\r
+      mMeasuredChildFvInfo = ReallocatePool (\r
+                               sizeof (EFI_PLATFORM_FIRMWARE_BLOB) * mMeasuredMaxChildFvIndex,\r
+                               sizeof (EFI_PLATFORM_FIRMWARE_BLOB) * (mMeasuredMaxChildFvIndex + FIRMWARE_BLOB_GROWTH_STEP),\r
+                               mMeasuredChildFvInfo\r
+                               );\r
+      ASSERT (mMeasuredChildFvInfo != NULL);\r
+      mMeasuredMaxChildFvIndex = mMeasuredMaxChildFvIndex + FIRMWARE_BLOB_GROWTH_STEP;\r
+    }\r
+    //\r
+    // Check whether FV is in the measured child FV list.\r
+    //\r
+    for (Index = 0; Index < mMeasuredChildFvIndex; Index++) {\r
+      if (mMeasuredChildFvInfo[Index].BlobBase == (EFI_PHYSICAL_ADDRESS) (UINTN) Fv->FvInfo) {\r
+        return EFI_SUCCESS;\r
       }\r
-      mMeasuredChildFvInfo[mMeasuredChildFvIndex].BlobBase   = (EFI_PHYSICAL_ADDRESS) (UINTN) Fv->FvInfo;\r
-      mMeasuredChildFvInfo[mMeasuredChildFvIndex].BlobLength = Fv->FvInfoSize;\r
-      mMeasuredChildFvIndex++;\r
     }\r
+    mMeasuredChildFvInfo[mMeasuredChildFvIndex].BlobBase   = (EFI_PHYSICAL_ADDRESS) (UINTN) Fv->FvInfo;\r
+    mMeasuredChildFvInfo[mMeasuredChildFvIndex].BlobLength = Fv->FvInfoSize;\r
+    mMeasuredChildFvIndex++;\r
     return EFI_SUCCESS;\r
   }\r
 \r
@@ -702,11 +721,6 @@ PeimEntryMP (
                );\r
   // Do not check status, because it is optional\r
 \r
-  mMeasuredBaseFvInfo  = (EFI_PLATFORM_FIRMWARE_BLOB *) AllocateZeroPool (sizeof (EFI_PLATFORM_FIRMWARE_BLOB) * PcdGet32 (PcdPeiCoreMaxFvSupported));\r
-  ASSERT (mMeasuredBaseFvInfo != NULL);\r
-  mMeasuredChildFvInfo = (EFI_PLATFORM_FIRMWARE_BLOB *) AllocateZeroPool (sizeof (EFI_PLATFORM_FIRMWARE_BLOB) * PcdGet32 (PcdPeiCoreMaxFvSupported));\r
-  ASSERT (mMeasuredChildFvInfo != NULL);\r
-\r
   Status = Tpm12RequestUseTpm ();\r
   if (EFI_ERROR (Status)) {\r
     return Status;\r