\r
#include "SecMain.h"\r
\r
+EFI_SEC_PLATFORM_INFORMATION_PPI mSecPlatformInformation = {\r
+ SecPlatformInformationBist\r
+};\r
+\r
+EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation = {\r
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiSecPlatformInformationPpiGuid,\r
+ &mSecPlatformInformation\r
+};\r
+\r
+EFI_SEC_PLATFORM_INFORMATION2_PPI mSecPlatformInformation2 = {\r
+ SecPlatformInformation2Bist\r
+};\r
+\r
+EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation2 = {\r
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiSecPlatformInformation2PpiGuid,\r
+ &mSecPlatformInformation2\r
+};\r
+\r
/**\r
- Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.\r
+ Worker function to parse CPU BIST information from Guided HOB.\r
\r
- @param PeiServices The pointer to the PEI Services Table.\r
- @param StructureSize The pointer to the variable describing size of the input buffer.\r
- @param PlatformInformationRecord2 The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.\r
+ @param[in, out] StructureSize Pointer to the variable describing size of the input buffer.\r
+ @param[in, out] StructureBuffer Pointer to the buffer save CPU BIST information.\r
\r
- @retval EFI_SUCCESS The data was successfully returned.\r
- @retval EFI_BUFFER_TOO_SMALL The buffer was too small. The current buffer size needed to\r
- hold the record is returned in StructureSize.\r
+ @retval EFI_SUCCESS The data was successfully returned.\r
+ @retval EFI_BUFFER_TOO_SMALL The buffer was too small.\r
\r
**/\r
EFI_STATUS\r
-EFIAPI\r
-SecPlatformInformation2 (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN OUT UINT64 *StructureSize,\r
- OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2\r
+GetBistFromHob (\r
+ IN OUT UINT64 *StructureSize,\r
+ IN OUT VOID *StructureBuffer\r
)\r
{\r
EFI_HOB_GUID_TYPE *GuidHob;\r
VOID *DataInHob;\r
UINTN DataSize;\r
\r
- GuidHob = GetFirstGuidHob (&gEfiSecPlatformInformation2PpiGuid);\r
+ GuidHob = GetFirstGuidHob (&gEfiCallerIdGuid);\r
if (GuidHob == NULL) {\r
*StructureSize = 0;\r
return EFI_SUCCESS;\r
}\r
\r
*StructureSize = (UINT64) DataSize;\r
- CopyMem (PlatformInformationRecord2, DataInHob, DataSize);\r
+ CopyMem (StructureBuffer, DataInHob, DataSize);\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ Implementation of the PlatformInformation service in EFI_SEC_PLATFORM_INFORMATION_PPI.\r
+\r
+ @param[in] PeiServices Pointer to the PEI Services Table.\r
+ @param[in, out] StructureSize Pointer to the variable describing size of the input buffer.\r
+ @param[out] PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.\r
+\r
+ @retval EFI_SUCCESS The data was successfully returned.\r
+ @retval EFI_BUFFER_TOO_SMALL The buffer was too small.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+SecPlatformInformationBist (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN OUT UINT64 *StructureSize,\r
+ OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord\r
+ )\r
+{\r
+ return GetBistFromHob (StructureSize, PlatformInformationRecord);\r
+}\r
+\r
+/**\r
+ Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.\r
+\r
+ @param[in] PeiServices The pointer to the PEI Services Table.\r
+ @param[in, out] StructureSize The pointer to the variable describing size of the input buffer.\r
+ @param[out] PlatformInformationRecord2 The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.\r
+\r
+ @retval EFI_SUCCESS The data was successfully returned.\r
+ @retval EFI_BUFFER_TOO_SMALL The buffer was too small. The current buffer size needed to\r
+ hold the record is returned in StructureSize.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+SecPlatformInformation2Bist (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN OUT UINT64 *StructureSize,\r
+ OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2\r
+ )\r
+{\r
+ return GetBistFromHob (StructureSize, PlatformInformationRecord2);\r
+}\r
+\r
/**\r
Worker function to get CPUs' BIST by calling SecPlatformInformationPpi\r
or SecPlatformInformation2Ppi.\r
\r
- @param PeiServices Pointer to PEI Services Table\r
- @param Guid PPI Guid\r
- @param PpiDescriptor Return a pointer to instance of the\r
- EFI_PEI_PPI_DESCRIPTOR\r
- @param BistInformationData Pointer to BIST information data\r
- @param BistInformationSize Return the size in bytes of BIST information\r
+ @param[in] PeiServices Pointer to PEI Services Table\r
+ @param[in] Guid PPI Guid\r
+ @param[out] PpiDescriptor Return a pointer to instance of the\r
+ EFI_PEI_PPI_DESCRIPTOR\r
+ @param[out] BistInformationData Pointer to BIST information data\r
+ @param[out] BistInformationSize Return the size in bytes of BIST information\r
\r
@retval EFI_SUCCESS Retrieve of the BIST data successfully\r
@retval EFI_NOT_FOUND No sec platform information(2) ppi export\r
\r
return EFI_DEVICE_ERROR;\r
}\r
+\r
+/**\r
+ Get CPUs' BIST by calling SecPlatformInformationPpi/SecPlatformInformation2Ppi.\r
+\r
+**/\r
+VOID\r
+RepublishSecPlatformInformationPpi (\r
+ VOID\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ CONST EFI_PEI_SERVICES **PeiServices;\r
+ UINT64 BistInformationSize;\r
+ VOID *BistInformationData;\r
+ EFI_PEI_PPI_DESCRIPTOR *SecInformationDescriptor;\r
+\r
+ PeiServices = GetPeiServicesTablePointer ();\r
+ Status = GetBistInfoFromPpi (\r
+ PeiServices,\r
+ &gEfiSecPlatformInformation2PpiGuid,\r
+ &SecInformationDescriptor,\r
+ &BistInformationData,\r
+ &BistInformationSize\r
+ );\r
+ if (Status == EFI_SUCCESS) {\r
+ BuildGuidDataHob (\r
+ &gEfiCallerIdGuid,\r
+ BistInformationData,\r
+ (UINTN) BistInformationSize\r
+ );\r
+ //\r
+ // The old SecPlatformInformation2 data is on temporary memory.\r
+ // After memory discovered, we should never get it from temporary memory,\r
+ // or the data will be crashed. So, we reinstall SecPlatformInformation2 PPI here.\r
+ //\r
+ Status = PeiServicesReInstallPpi (\r
+ SecInformationDescriptor,\r
+ &mPeiSecPlatformInformation2\r
+ );\r
+ } if (Status == EFI_NOT_FOUND) {\r
+ Status = GetBistInfoFromPpi (\r
+ PeiServices,\r
+ &gEfiSecPlatformInformationPpiGuid,\r
+ &SecInformationDescriptor,\r
+ &BistInformationData,\r
+ &BistInformationSize\r
+ );\r
+ if (Status == EFI_SUCCESS) {\r
+ BuildGuidDataHob (\r
+ &gEfiCallerIdGuid,\r
+ BistInformationData,\r
+ (UINTN) BistInformationSize\r
+ );\r
+ //\r
+ // The old SecPlatformInformation data is on temporary memory.\r
+ // After memory discovered, we should never get it from temporary memory,\r
+ // or the data will be crashed. So, we reinstall SecPlatformInformation PPI here.\r
+ //\r
+ Status = PeiServicesReInstallPpi (\r
+ SecInformationDescriptor,\r
+ &mPeiSecPlatformInformation\r
+ );\r
+ } else if (Status == EFI_NOT_FOUND) {\r
+ return;\r
+ }\r
+ }\r
+\r
+ ASSERT_EFI_ERROR(Status);\r
+}\r
projects / mirror_edk2.git / blobdiff