From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by ml01.01.org (Postfix) with ESMTP id 8AB401A1E0F for ; Tue, 2 Aug 2016 01:59:56 -0700 (PDT) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP; 02 Aug 2016 01:59:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,459,1464678000"; d="scan'208";a="743018681" Received: from jfan12-desk.ccr.corp.intel.com ([10.239.9.5]) by FMSMGA003.fm.intel.com with ESMTP; 02 Aug 2016 01:59:55 -0700 From: Jeff Fan To: edk2-devel@lists.01.org Cc: Michael Kinney , Feng Tian , Giri P Mudusuru , Laszlo Ersek Date: Tue, 2 Aug 2016 16:59:02 +0800 Message-Id: <1470128388-17960-3-git-send-email-jeff.fan@intel.com> X-Mailer: git-send-email 2.7.4.windows.1 In-Reply-To: <1470128388-17960-1-git-send-email-jeff.fan@intel.com> References: <1470128388-17960-1-git-send-email-jeff.fan@intel.com> Subject: [Patch v5 02/48] UefiCpuPkg/MpInitLib: Add microcode definitions defined in IA32 SDM X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Aug 2016 08:59:56 -0000 Add microcode definitions defined in Intel(R) 64 and IA-32 Architectures Software Developer's Manual Volume 3A, Section 9.11. v4: 1. ProcessorSignature type changed to CPU_MICROCODE_PROCESSOR_SIGNATURE 2. Add pack(1) for structure CPU_MICROCODE_HEADER and CPU_MICROCODE_EXTENDED_TABLE. v3: 1. Update SDM date to June, 2016 2. Mention BCD format in CPU_MICROCODE_DATE 3. Rename ProcessorChecksum to Checksum to match SDM. Cc: Michael Kinney Cc: Feng Tian Cc: Giri P Mudusuru Cc: Laszlo Ersek Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan Reviewed-by: Laszlo Ersek --- UefiCpuPkg/Include/Register/Microcode.h | 200 ++++++++++++++++++++++++++++++++ 1 file changed, 200 insertions(+) create mode 100644 UefiCpuPkg/Include/Register/Microcode.h diff --git a/UefiCpuPkg/Include/Register/Microcode.h b/UefiCpuPkg/Include/Register/Microcode.h new file mode 100644 index 0000000..94529a1 --- /dev/null +++ b/UefiCpuPkg/Include/Register/Microcode.h @@ -0,0 +1,200 @@ +/** @file + Microcode Definitions. + + Microcode Definitions based on contents of the + Intel(R) 64 and IA-32 Architectures Software Developer's Manual + Volume 3A, Section 9.11 Microcode Definitions + + Copyright (c) 2016, Intel Corporation. All rights reserved.
+ This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + @par Specification Reference: + Intel(R) 64 and IA-32 Architectures Software Developer's Manual, Volume 3A, + June 2016, Chapter 9 Processor Management and Initialization, Section 9-11. + +**/ + +#ifndef __MICROCODE_H__ +#define __MICROCODE_H__ + +/// +/// CPU Microcode Date in BCD format +/// +typedef union { + struct { + UINT32 Year:16; + UINT32 Day:8; + UINT32 Month:8; + } Bits; + UINT32 Uint32; +} CPU_MICROCODE_DATE; + +/// +/// CPU Microcode Processor Signature format +/// +typedef union { + struct { + UINT32 Stepping:4; + UINT32 Model:4; + UINT32 Family:4; + UINT32 Type:2; + UINT32 Reserved1:2; + UINT32 ExtendedModel:4; + UINT32 ExtendedFamily:8; + UINT32 Reserved2:4; + } Bits; + UINT32 Uint32; +} CPU_MICROCODE_PROCESSOR_SIGNATURE; + +#pragma pack (1) + +/// +/// Microcode Update Format definition +/// +typedef struct { + /// + /// Version number of the update header + /// + UINT32 HeaderVersion; + /// + /// Unique version number for the update, the basis for the update + /// signature provided by the processor to indicate the current update + /// functioning within the processor. Used by the BIOS to authenticate + /// the update and verify that the processor loads successfully. The + /// value in this field cannot be used for processor stepping identification + /// alone. This is a signed 32-bit number. + /// + UINT32 UpdateRevision; + /// + /// Date of the update creation in binary format: mmddyyyy (e.g. + /// 07/18/98 is 07181998H). + /// + CPU_MICROCODE_DATE Date; + /// + /// Extended family, extended model, type, family, model, and stepping + /// of processor that requires this particular update revision (e.g., + /// 00000650H). Each microcode update is designed specifically for a + /// given extended family, extended model, type, family, model, and + /// stepping of the processor. + /// The BIOS uses the processor signature field in conjunction with the + /// CPUID instruction to determine whether or not an update is + /// appropriate to load on a processor. The information encoded within + /// this field exactly corresponds to the bit representations returned by + /// the CPUID instruction. + /// + CPU_MICROCODE_PROCESSOR_SIGNATURE ProcessorSignature; + /// + /// Checksum of Update Data and Header. Used to verify the integrity of + /// the update header and data. Checksum is correct when the + /// summation of all the DWORDs (including the extended Processor + /// Signature Table) that comprise the microcode update result in + /// 00000000H. + /// + UINT32 Checksum; + /// + /// Version number of the loader program needed to correctly load this + /// update. The initial version is 00000001H + /// + UINT32 LoaderRevision; + /// + /// Platform type information is encoded in the lower 8 bits of this 4- + /// byte field. Each bit represents a particular platform type for a given + /// CPUID. The BIOS uses the processor flags field in conjunction with + /// the platform Id bits in MSR (17H) to determine whether or not an + /// update is appropriate to load on a processor. Multiple bits may be set + /// representing support for multiple platform IDs. + /// + UINT32 ProcessorFlags; + /// + /// Specifies the size of the encrypted data in bytes, and must be a + /// multiple of DWORDs. If this value is 00000000H, then the microcode + /// update encrypted data is 2000 bytes (or 500 DWORDs). + /// + UINT32 DataSize; + /// + /// Specifies the total size of the microcode update in bytes. It is the + /// summation of the header size, the encrypted data size and the size of + /// the optional extended signature table. This value is always a multiple + /// of 1024. + /// + UINT32 TotalSize; + /// + /// Reserved fields for future expansion. + /// + UINT8 Reserved[12]; +} CPU_MICROCODE_HEADER; + +/// +/// Extended Signature Table Header Field Definitions +/// +typedef struct { + /// + /// Specifies the number of extended signature structures (Processor + /// Signature[n], processor flags[n] and checksum[n]) that exist in this + /// microcode update + /// + UINT32 ExtendedSignatureCount; + /// + /// Checksum of update extended processor signature table. Used to + /// verify the integrity of the extended processor signature table. + /// Checksum is correct when the summation of the DWORDs that + /// comprise the extended processor signature table results in + /// 00000000H. + /// + UINT32 ExtendedChecksum; + /// + /// Reserved fields. + /// + UINT8 Reserved[12]; +} CPU_MICROCODE_EXTENDED_TABLE_HEADER; + +/// +/// Extended Signature Table Field Definitions +/// +typedef struct { + /// + /// Extended family, extended model, type, family, model, and stepping + /// of processor that requires this particular update revision (e.g., + /// 00000650H). Each microcode update is designed specifically for a + /// given extended family, extended model, type, family, model, and + /// stepping of the processor. + /// The BIOS uses the processor signature field in conjunction with the + /// CPUID instruction to determine whether or not an update is + /// appropriate to load on a processor. The information encoded within + /// this field exactly corresponds to the bit representations returned by + /// the CPUID instruction. + /// + CPU_MICROCODE_PROCESSOR_SIGNATURE ProcessorSignature; + /// + /// Platform type information is encoded in the lower 8 bits of this 4- + /// byte field. Each bit represents a particular platform type for a given + /// CPUID. The BIOS uses the processor flags field in conjunction with + /// the platform Id bits in MSR (17H) to determine whether or not an + /// update is appropriate to load on a processor. Multiple bits may be set + /// representing support for multiple platform IDs. + /// + UINT32 ProcessorFlag; + /// + /// Used by utility software to decompose a microcode update into + /// multiple microcode updates where each of the new updates is + /// constructed without the optional Extended Processor Signature + /// Table. + /// To calculate the Checksum, substitute the Primary Processor + /// Signature entry and the Processor Flags entry with the + /// corresponding Extended Patch entry. Delete the Extended Processor + /// Signature Table entries. The Checksum is correct when the + /// summation of all DWORDs that comprise the created Extended + /// Processor Patch results in 00000000H. + /// + UINT32 Checksum; +} CPU_MICROCODE_EXTENDED_TABLE; + +#pragma pack () + +#endif -- 2.7.4.windows.1