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| /** @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.<BR> | ||
| 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 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /** @file | ||
| Lilu & OpenCore specific GUIDs for UEFI Variable Storage, version 1.0. | ||
| Copyright (c) 2019, vit9696. All rights reserved.<BR> | ||
| 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. | ||
| **/ | ||
|
|
||
| #ifndef OC_VARIABLES_H | ||
| #define OC_VARIABLES_H | ||
|
|
||
| // | ||
| // Variable used for OpenCore log storage (if enabled). | ||
| // | ||
| #define OC_LOG_VARIABLE_NAME L"boot-log" | ||
|
|
||
| // | ||
| // Variable used for OpenCore boot path (if enabled). | ||
| // | ||
| #define OC_LOG_VARIABLE_PATH L"boot-path" | ||
|
|
||
| // | ||
| // Variable used for OpenCore request to redirect NVRAM Boot variable write. | ||
| // Boot Services only. | ||
| // See: https://github.com/acidanthera/bugtracker/issues/308. | ||
| // | ||
| #define OC_BOOT_REDIRECT_VARIABLE_NAME L"boot-redirect" | ||
|
|
||
| // | ||
| // Variable used for exposing OpenCore Security -> LoadPolicy. | ||
| // Boot Services only. | ||
| // | ||
| #define OC_LOAD_POLICY_VARIABLE_NAME L"load-policy" | ||
|
|
||
| // | ||
| // Variable used for exposing OpenCore Security -> ScanPolicy. | ||
| // Boot Services only. | ||
| // | ||
| #define OC_SCAN_POLICY_VARIABLE_NAME L"scan-policy" | ||
|
|
||
| // | ||
| // Variable used to report OpenCore version in the following format: | ||
| // REL-001-2019-01-01. This follows versioning style of Lilu and plugins. | ||
| // | ||
| #define OC_VERSION_VARIABLE_NAME L"opencore-version" | ||
|
|
||
| // | ||
| // 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102 | ||
| // This GUID is specifically used for normal variable access by Lilu kernel extension and its plugins. | ||
| // | ||
| #define OC_VENDOR_VARIABLE_GUID \ | ||
| { 0x4D1FDA02, 0x38C7, 0x4A6A, { 0x9C, 0xC6, 0x4B, 0xCC, 0xA8, 0xB3, 0x01, 0x02 } } | ||
|
|
||
| // | ||
| // E09B9297-7928-4440-9AAB-D1F8536FBF0A | ||
| // This GUID is specifically used for reading variables by Lilu kernel extension and its plugins. | ||
| // Any writes to this GUID should be prohibited via EFI_RUNTIME_SERVICES after EXIT_BOOT_SERVICES. | ||
| // The expected return code on variable write is EFI_SECURITY_VIOLATION. | ||
| // | ||
| #define OC_READ_ONLY_VARIABLE_GUID \ | ||
| { 0xE09B9297, 0x7928, 0x4440, { 0x9A, 0xAB, 0xD1, 0xF8, 0x53, 0x6F, 0xBF, 0x0A } } | ||
|
|
||
| // | ||
| // F0B9AF8F-2222-4840-8A37-ECF7CC8C12E1 | ||
| // This GUID is specifically used for reading variables by Lilu and plugins. | ||
| // Any reads from this GUID should be prohibited via EFI_RUNTIME_SERVICES after EXIT_BOOT_SERVICES. | ||
| // The expected return code on variable read is EFI_SECURITY_VIOLATION. | ||
| // | ||
| #define OC_WRITE_ONLY_VARIABLE_GUID \ | ||
| { 0xF0B9AF8F, 0x2222, 0x4840, { 0x8A, 0x37, 0xEC, 0xF7, 0xCC, 0x8C, 0x12, 0xE1 } } | ||
|
|
||
| // | ||
| // External global variables with GUID values. | ||
| // | ||
| extern EFI_GUID gOcVendorVariableGuid; | ||
| extern EFI_GUID gOcReadOnlyVariableGuid; | ||
| extern EFI_GUID gOcWriteOnlyVariableGuid; | ||
|
|
||
| #endif // OC_VARIABLES_H |
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