From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by mx.groups.io with SMTP id smtpd.web12.2362.1572238352410296440 for ; Sun, 27 Oct 2019 21:52:32 -0700 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: hpe.com, ip: 148.163.147.86, mailfrom: prvs=02044412f4=abner.chang@hpe.com) Received: from pps.filterd (m0134422.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x9S4pcOB005241; Mon, 28 Oct 2019 04:52:32 GMT Received: from g9t5008.houston.hpe.com (g9t5008.houston.hpe.com [15.241.48.72]) by mx0b-002e3701.pphosted.com with ESMTP id 2vw02aw6xk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Oct 2019 04:52:32 +0000 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5008.houston.hpe.com (Postfix) with ESMTP id 6F5F753; Mon, 28 Oct 2019 04:52:31 +0000 (UTC) Received: from UB16Abner.asiapacific.hpqcorp.net (ub16abner.asiapacific.hpqcorp.net [15.119.209.229]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 615E548; Mon, 28 Oct 2019 04:52:29 +0000 (UTC) From: "Abner Chang" To: devel@edk2.groups.io Cc: abner.chang@hpe.com, Michael D Kinney , Ard Biesheuvel , Leif Lindholm , Gilbert Chen , Palmer Dabbelt Subject: [platform/devel-riscv-v2 PATCHv5 02/18] SiFive/E51: Initial version of SiFive E51 core library. Date: Mon, 28 Oct 2019 12:20:17 +0800 Message-Id: <1572236433-15404-3-git-send-email-abner.chang@hpe.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1572236433-15404-1-git-send-email-abner.chang@hpe.com> References: <1572236433-15404-1-git-send-email-abner.chang@hpe.com> X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-28_01:2019-10-25,2019-10-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 bulkscore=0 mlxlogscore=999 impostorscore=0 adultscore=0 mlxscore=0 phishscore=0 suspectscore=13 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1908290000 definitions=main-1910280047 SiFive E51 core library for building core information hob data. Signed-off-by: Abner Chang Cc: Michael D Kinney Cc: Ard Biesheuvel Cc: Leif Lindholm Cc: Gilbert Chen Cc: Palmer Dabbelt Signed-off-by: Abner Chang --- .../PeiCoreInfoHobLib/PeiCoreInfoHobLib.inf | 47 ++++ Silicon/SiFive/Include/Library/SiFiveE51.h | 60 +++++ .../E51/Library/PeiCoreInfoHobLib/CoreInfoHob.c | 242 +++++++++++++++++++++ 3 files changed, 349 insertions(+) create mode 100644 Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/PeiCoreInfoHobLib.inf create mode 100644 Silicon/SiFive/Include/Library/SiFiveE51.h create mode 100644 Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/CoreInfoHob.c diff --git a/Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/PeiCoreInfoHobLib.inf b/Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/PeiCoreInfoHobLib.inf new file mode 100644 index 0000000..a065373 --- /dev/null +++ b/Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/PeiCoreInfoHobLib.inf @@ -0,0 +1,47 @@ +## @file +# Library instance to create core information HOB +# +# Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x0001001b + BASE_NAME = SiliconSiFiveE51CoreInfoLib + FILE_GUID = 80A59B85-1245-4309-AC58-2CFA4199B46C + MODULE_TYPE = PEIM + VERSION_STRING = 1.0 + LIBRARY_CLASS = SiliconSiFiveE51CoreInfoLib + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = RISCV64 +# + +[Sources] + CoreInfoHob.c + +[Packages] + MdeModulePkg/MdeModulePkg.dec + MdePkg/MdePkg.dec + RiscVPlatformPkg/RiscVPlatformPkg.dec + RiscVPkg/RiscVPkg.dec + Silicon/SiFive/SiFive.dec + +[LibraryClasses] + BaseLib + FirmwareContextProcessorSpecificLib + MemoryAllocationLib + PcdLib + PrintLib + +[FixedPcd] + gEfiSiFiveSiliconTokenSpaceGuid.PcdSiFiveE51CoreGuid + gUefiRiscVPkgTokenSpaceGuid.PcdProcessorSmbiosGuidHobGuid + gUefiRiscVPkgTokenSpaceGuid.PcdProcessorSmbiosType4GuidHobGuid + gUefiRiscVPkgTokenSpaceGuid.PcdProcessorSmbiosType7GuidHobGuid + gUefiRiscVPkgTokenSpaceGuid.PcdProcessorSpecificDataGuidHobGuid + diff --git a/Silicon/SiFive/Include/Library/SiFiveE51.h b/Silicon/SiFive/Include/Library/SiFiveE51.h new file mode 100644 index 0000000..6b58766 --- /dev/null +++ b/Silicon/SiFive/Include/Library/SiFiveE51.h @@ -0,0 +1,60 @@ +/** @file + SiFive E51 Core library definitions. + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef SIFIVE_E51_CORE_H_ +#define SIFIVE_E51_CORE_H_ + +#include + +#include +#include + +/** + Function to build core specific information HOB. + + @param ParentProcessorGuid Parent processor od this core. ParentProcessorGuid + could be the same as CoreGuid if one processor has + only one core. + @param ParentProcessorUid Unique ID of pysical processor which owns this core. + @param HartId Hart ID of this core. + @param IsBootHart TRUE means this is the boot HART. + @param GuidHobData Pointer to receive RISC_V_PROCESSOR_SPECIFIC_HOB_DATA. + + @return EFI_SUCCESS The PEIM initialized successfully. + +**/ +EFI_STATUS +EFIAPI +CreateE51CoreProcessorSpecificDataHob ( + IN EFI_GUID *ParentProcessorGuid, + IN UINTN ParentProcessorUid, + IN UINTN HartId, + IN BOOLEAN IsBootHart, + OUT RISC_V_PROCESSOR_SPECIFIC_HOB_DATA **GuidHobData + ); + +/** + Function to build processor related SMBIOS information. RISC-V SMBIOS DXE driver collect + this information and build SMBIOS Type4 and Type7 record. + + @param ProcessorUid Unique ID of pysical processor which owns this core. + @param SmbiosHobPtr Pointer to receive RISC_V_PROCESSOR_SMBIOS_HOB_DATA. The pointers + maintained in this structure is only valid before memory is discovered. + Access to those pointers after memory is installed will cause unexpected issues. + + @return EFI_SUCCESS The PEIM initialized successfully. + +**/ +EFI_STATUS +EFIAPI +CreateE51ProcessorSmbiosDataHob ( + IN UINTN ProcessorUid, + OUT RISC_V_PROCESSOR_SMBIOS_HOB_DATA **SmbiosHobPtr + ); + +#endif diff --git a/Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/CoreInfoHob.c b/Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/CoreInfoHob.c new file mode 100644 index 0000000..68eabc3 --- /dev/null +++ b/Silicon/SiFive/E51/Library/PeiCoreInfoHobLib/CoreInfoHob.c @@ -0,0 +1,242 @@ +/**@file + Build up platform processor information. + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +// +// The package level header files this module uses +// +#include + +// +// The Library classes this module consumes +// +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +/** + Function to build core specific information HOB. RISC-V SMBIOS DXE driver collect + this information and build SMBIOS Type44. + + @param ParentProcessorGuid Parent processor od this core. ParentProcessorGuid + could be the same as CoreGuid if one processor has + only one core. + @param ParentProcessorUid Unique ID of pysical processor which owns this core. + @param HartId Hart ID of this core. + @param IsBootHart TRUE means this is the boot HART. + @param GuidHobData Pointer to receive EFI_HOB_GUID_TYPE. + + @return EFI_SUCCESS The PEIM initialized successfully. + +**/ +EFI_STATUS +EFIAPI +CreateE51CoreProcessorSpecificDataHob ( + IN EFI_GUID *ParentProcessorGuid, + IN UINTN ParentProcessorUid, + IN UINTN HartId, + IN BOOLEAN IsBootHart, + OUT RISC_V_PROCESSOR_SPECIFIC_HOB_DATA **GuidHobData + ) +{ + RISC_V_PROCESSOR_SPECIFIC_HOB_DATA *CoreGuidHob; + EFI_GUID *ProcessorSpecDataHobGuid; + RISC_V_PROCESSOR_SPECIFIC_HOB_DATA ProcessorSpecDataHob; + struct sbi_scratch *ThisHartSbiScratch; + struct sbi_platform *ThisHartSbiPlatform; + EFI_RISCV_OPENSBI_FIRMWARE_CONTEXT *FirmwareContext; + EFI_RISCV_FIRMWARE_CONTEXT_HART_SPECIFIC *FirmwareContextHartSpecific; + + DEBUG ((DEBUG_INFO, "%a: Entry.\n", __FUNCTION__)); + + if (GuidHobData == NULL) { + return EFI_INVALID_PARAMETER; + } + + ThisHartSbiScratch = sbi_hart_id_to_scratch (sbi_scratch_thishart_ptr(), (UINT32)HartId); + DEBUG ((DEBUG_INFO, " SBI Scratch is at 0x%x.\n", ThisHartSbiScratch)); + ThisHartSbiPlatform = (struct sbi_platform *)sbi_platform_ptr(ThisHartSbiScratch); + DEBUG ((DEBUG_INFO, " SBI platform is at 0x%x.\n", ThisHartSbiPlatform)); + FirmwareContext = (EFI_RISCV_OPENSBI_FIRMWARE_CONTEXT *)ThisHartSbiPlatform->firmware_context; + DEBUG ((DEBUG_INFO, " Firmware Context is at 0x%x.\n", FirmwareContext)); + FirmwareContextHartSpecific = FirmwareContext->HartSpecific[HartId]; + DEBUG ((DEBUG_INFO, " Firmware Context Hart specific is at 0x%x.\n", FirmwareContextHartSpecific)); + + // + // Build up RISC_V_PROCESSOR_SPECIFIC_HOB_DATA. + // + CommonFirmwareContextHartSpecificInfo ( + FirmwareContextHartSpecific, + ParentProcessorGuid, + ParentProcessorUid, + (EFI_GUID *)PcdGetPtr (PcdSiFiveE51CoreGuid), + HartId, + IsBootHart, + &ProcessorSpecDataHob + ); + ProcessorSpecDataHob.ProcessorSpecificData.MModeExcepDelegation.Value64_L = TO_BE_FILLED; + ProcessorSpecDataHob.ProcessorSpecificData.MModeExcepDelegation.Value64_H = TO_BE_FILLED; + ProcessorSpecDataHob.ProcessorSpecificData.MModeInterruptDelegation.Value64_L = TO_BE_FILLED; + ProcessorSpecDataHob.ProcessorSpecificData.MModeInterruptDelegation.Value64_H = TO_BE_FILLED; + ProcessorSpecDataHob.ProcessorSpecificData.HartXlen = RegisterLen64; + ProcessorSpecDataHob.ProcessorSpecificData.MachineModeXlen = RegisterLen64; + ProcessorSpecDataHob.ProcessorSpecificData.SupervisorModeXlen = RegisterUnsupported; + ProcessorSpecDataHob.ProcessorSpecificData.UserModeXlen = RegisterLen64; + + DEBUG ((DEBUG_INFO, " *HartId = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.HartId.Value64_L)); + DEBUG ((DEBUG_INFO, " *Is Boot Hart? = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.BootHartId)); + DEBUG ((DEBUG_INFO, " *PrivilegeModeSupported = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.PrivilegeModeSupported)); + DEBUG ((DEBUG_INFO, " *MModeExcepDelegation = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.MModeExcepDelegation.Value64_L)); + DEBUG ((DEBUG_INFO, " *MModeInterruptDelegation = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.MModeInterruptDelegation.Value64_L)); + DEBUG ((DEBUG_INFO, " *HartXlen = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.HartXlen )); + DEBUG ((DEBUG_INFO, " *MachineModeXlen = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.MachineModeXlen)); + DEBUG ((DEBUG_INFO, " *SupervisorModeXlen = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.SupervisorModeXlen)); + DEBUG ((DEBUG_INFO, " *UserModeXlen = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.UserModeXlen)); + DEBUG ((DEBUG_INFO, " *InstSetSupported = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.InstSetSupported)); + DEBUG ((DEBUG_INFO, " *MachineVendorId = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.MachineVendorId.Value64_L)); + DEBUG ((DEBUG_INFO, " *MachineArchId = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.MachineArchId.Value64_L)); + DEBUG ((DEBUG_INFO, " *MachineImplId = 0x%x\n", ProcessorSpecDataHob.ProcessorSpecificData.MachineImplId.Value64_L)); + + // + // Build GUID HOB for E51 core, this is for SMBIOS type 44 + // + ProcessorSpecDataHobGuid = PcdGetPtr (PcdProcessorSpecificDataGuidHobGuid); + CoreGuidHob = (RISC_V_PROCESSOR_SPECIFIC_HOB_DATA *)BuildGuidDataHob (ProcessorSpecDataHobGuid, (VOID *)&ProcessorSpecDataHob, sizeof (RISC_V_PROCESSOR_SPECIFIC_HOB_DATA)); + if (CoreGuidHob == NULL) { + DEBUG ((DEBUG_ERROR, "Fail to create GUID HOB of SiFive E51 core.\n")); + ASSERT (FALSE); + } + *GuidHobData = CoreGuidHob; + return EFI_SUCCESS; +} + +/** + Function to build processor related SMBIOS information. RISC-V SMBIOS DXE driver collect + this information and build SMBIOS Type4 and Type7 record. + + @param ProcessorUid Unique ID of pysical processor which owns this core. + @param SmbiosHobPtr Pointer to receive RISC_V_PROCESSOR_SMBIOS_HOB_DATA. The pointers + maintained in this structure is only valid before memory is discovered. + Access to those pointers after memory is installed will cause unexpected issues. + + @return EFI_SUCCESS The PEIM initialized successfully. + +**/ +EFI_STATUS +EFIAPI +CreateE51ProcessorSmbiosDataHob ( + IN UINTN ProcessorUid, + OUT RISC_V_PROCESSOR_SMBIOS_HOB_DATA **SmbiosHobPtr + ) +{ + EFI_GUID *GuidPtr; + RISC_V_PROCESSOR_TYPE4_HOB_DATA ProcessorDataHob; + RISC_V_PROCESSOR_TYPE7_HOB_DATA L1InstCacheDataHob; + RISC_V_PROCESSOR_SMBIOS_HOB_DATA SmbiosDataHob; + RISC_V_PROCESSOR_TYPE4_HOB_DATA *ProcessorDataHobPtr; + RISC_V_PROCESSOR_TYPE7_HOB_DATA *L1InstCacheDataHobPtr; + RISC_V_PROCESSOR_SMBIOS_HOB_DATA *SmbiosDataHobPtr; + + if (SmbiosHobPtr == NULL) { + return EFI_INVALID_PARAMETER; + } + // + // Build up SMBIOS type 7 L1 instruction cache record. + // + ZeroMem((VOID *)&L1InstCacheDataHob, sizeof (RISC_V_PROCESSOR_TYPE7_HOB_DATA)); + CopyGuid (&L1InstCacheDataHob.PrcessorGuid, (EFI_GUID *)PcdGetPtr (PcdSiFiveE51CoreGuid)); + L1InstCacheDataHob.ProcessorUid = ProcessorUid; + L1InstCacheDataHob.SmbiosType7Cache.SocketDesignation = TO_BE_FILLED_BY_VENDOR; + L1InstCacheDataHob.SmbiosType7Cache.CacheConfiguration = RISC_V_CACHE_CONFIGURATION_CACHE_LEVEL_1 | \ + RISC_V_CACHE_CONFIGURATION_LOCATION_INTERNAL | \ + RISC_V_CACHE_CONFIGURATION_ENABLED | \ + RISC_V_CACHE_CONFIGURATION_MODE_UNKNOWN; + L1InstCacheDataHob.SmbiosType7Cache.MaximumCacheSize = TO_BE_FILLED_BY_VENDOR; + L1InstCacheDataHob.SmbiosType7Cache.InstalledSize = TO_BE_FILLED_BY_VENDOR; + L1InstCacheDataHob.SmbiosType7Cache.SupportedSRAMType.Unknown = 1; + L1InstCacheDataHob.SmbiosType7Cache.CurrentSRAMType.Unknown = 1; + L1InstCacheDataHob.SmbiosType7Cache.CacheSpeed = TO_BE_FILLED_BY_VENDOR; + L1InstCacheDataHob.SmbiosType7Cache.ErrorCorrectionType = TO_BE_FILLED_BY_VENDOR; + L1InstCacheDataHob.SmbiosType7Cache.SystemCacheType = CacheTypeInstruction; + L1InstCacheDataHob.SmbiosType7Cache.Associativity = TO_BE_FILLED_BY_VENDOR; + GuidPtr = (EFI_GUID *)PcdGetPtr (PcdProcessorSmbiosType7GuidHobGuid); + L1InstCacheDataHobPtr = (RISC_V_PROCESSOR_TYPE7_HOB_DATA *)BuildGuidDataHob (GuidPtr, (VOID *)&L1InstCacheDataHob, sizeof (RISC_V_PROCESSOR_TYPE7_HOB_DATA)); + if (L1InstCacheDataHobPtr == NULL) { + DEBUG ((DEBUG_ERROR, "Fail to create GUID HOB of SiFive E51 core L1 instruction cache RISC_V_PROCESSOR_TYPE7_HOB_DATA.\n")); + ASSERT (FALSE); + } + + // + // Build up SMBIOS type 4 record. + // + ZeroMem((VOID *)&ProcessorDataHob, sizeof (RISC_V_PROCESSOR_TYPE4_HOB_DATA)); + CopyGuid (&ProcessorDataHob.PrcessorGuid, (EFI_GUID *)PcdGetPtr (PcdSiFiveE51CoreGuid)); + ProcessorDataHob.ProcessorUid = ProcessorUid; + ProcessorDataHob.SmbiosType4Processor.Socket = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.ProcessorType = CentralProcessor; + ProcessorDataHob.SmbiosType4Processor.ProcessorFamily = ProcessorFamilyIndicatorFamily2; + ProcessorDataHob.SmbiosType4Processor.ProcessorManufacture = TO_BE_FILLED_BY_VENDOR; + SetMem ((VOID *)&ProcessorDataHob.SmbiosType4Processor.ProcessorId, sizeof (PROCESSOR_ID_DATA), TO_BE_FILLED_BY_CODE); + ProcessorDataHob.SmbiosType4Processor.ProcessorVersion = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.Voltage.ProcessorVoltageCapability3_3V = 1; + ProcessorDataHob.SmbiosType4Processor.ExternalClock = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.MaxSpeed = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.CurrentSpeed = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.Status = TO_BE_FILLED_BY_CODE; + ProcessorDataHob.SmbiosType4Processor.ProcessorUpgrade = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.L1CacheHandle = TO_BE_FILLED_BY_RISC_V_SMBIOS_DXE_DRIVER; + ProcessorDataHob.SmbiosType4Processor.L2CacheHandle = 0xffff; + ProcessorDataHob.SmbiosType4Processor.L3CacheHandle = 0xffff; + ProcessorDataHob.SmbiosType4Processor.SerialNumber = TO_BE_FILLED_BY_CODE; + ProcessorDataHob.SmbiosType4Processor.AssetTag = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.PartNumber = TO_BE_FILLED_BY_VENDOR; + ProcessorDataHob.SmbiosType4Processor.CoreCount = 1; + ProcessorDataHob.SmbiosType4Processor.EnabledCoreCount = 1; + ProcessorDataHob.SmbiosType4Processor.ThreadCount = 1; + ProcessorDataHob.SmbiosType4Processor.ProcessorCharacteristics = (UINT16)(1 << 2); // 64-bit capable + ProcessorDataHob.SmbiosType4Processor.ProcessorFamily2 = ProcessorFamilyRiscVRV64; + ProcessorDataHob.SmbiosType4Processor.CoreCount2 = 0; + ProcessorDataHob.SmbiosType4Processor.EnabledCoreCount2 = 0; + ProcessorDataHob.SmbiosType4Processor.ThreadCount2 = 0; + GuidPtr = (EFI_GUID *)PcdGetPtr (PcdProcessorSmbiosType4GuidHobGuid); + ProcessorDataHobPtr = (RISC_V_PROCESSOR_TYPE4_HOB_DATA *)BuildGuidDataHob (GuidPtr, (VOID *)&ProcessorDataHob, sizeof (RISC_V_PROCESSOR_TYPE4_HOB_DATA)); + if (ProcessorDataHobPtr == NULL) { + DEBUG ((DEBUG_ERROR, "Fail to create GUID HOB of SiFive E51 core RISC_V_PROCESSOR_TYPE4_HOB_DATA.\n")); + ASSERT (FALSE); + } + + ZeroMem((VOID *)&SmbiosDataHob, sizeof (RISC_V_PROCESSOR_SMBIOS_HOB_DATA)); + SmbiosDataHob.Processor = ProcessorDataHobPtr; + SmbiosDataHob.L1InstCache = L1InstCacheDataHobPtr; + SmbiosDataHob.L1DataCache = NULL; + SmbiosDataHob.L2Cache = NULL; + SmbiosDataHob.L3Cache = NULL; + GuidPtr = (EFI_GUID *)PcdGetPtr (PcdProcessorSmbiosGuidHobGuid); + SmbiosDataHobPtr = (RISC_V_PROCESSOR_SMBIOS_HOB_DATA *)BuildGuidDataHob (GuidPtr, (VOID *)&SmbiosDataHob, sizeof (RISC_V_PROCESSOR_SMBIOS_HOB_DATA)); + if (SmbiosDataHobPtr == NULL) { + DEBUG ((DEBUG_ERROR, "Fail to create GUID HOB of SiFive E51 core RISC_V_PROCESSOR_SMBIOS_HOB_DATA.\n")); + ASSERT (FALSE); + } + *SmbiosHobPtr = SmbiosDataHobPtr; + return EFI_SUCCESS; +} + + -- 2.7.4