\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
Worker function to parse CPU BIST information from Guided HOB.\r
\r
- @param[out] StructureSize Pointer to the variable describing size of the input buffer.\r
- @param[out] StructureBuffer Pointer to the buffer save CPU BIST information.\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.\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[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
+ @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
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[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
+ @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
\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