projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| ea0f431c JF |
1 | /** @file\r |
| 2 | Definitions for loading microcode on processors.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef _CPU_MICROCODE_H_\r | |
| 16 | #define _CPU_MICROCODE_H_\r | |
| 17 | \r | |
| 18 | #define EFI_MSR_IA32_PLATFORM_ID 0x17\r | |
| 19 | #define EFI_MSR_IA32_BIOS_UPDT_TRIG 0x79\r | |
| 20 | #define EFI_MSR_IA32_BIOS_SIGN_ID 0x8b\r | |
| 21 | \r | |
| 22 | #define MAX_MICROCODE_DESCRIPTOR_LENGTH 100\r | |
| 23 | \r | |
| 24 | typedef struct {\r | |
| 25 | VOID *MicrocodeData;\r | |
| 26 | UINTN MicrocodeSize;\r | |
| 27 | UINT32 ProcessorId;\r | |
| 28 | BOOLEAN Load;\r | |
| 29 | } MICROCODE_INFO;\r | |
| 30 | \r | |
| 31 | //\r | |
| 32 | // Definition for IA32 microcode format\r | |
| 33 | //\r | |
| 34 | typedef struct {\r | |
| 35 | UINT32 HeaderVersion;\r | |
| 36 | UINT32 UpdateRevision;\r | |
| 37 | UINT32 Date;\r | |
| 38 | UINT32 ProcessorId;\r | |
| 39 | UINT32 Checksum;\r | |
| 40 | UINT32 LoaderRevision;\r | |
| 41 | UINT32 ProcessorFlags;\r | |
| 42 | UINT32 DataSize;\r | |
| 43 | UINT32 TotalSize;\r | |
| 44 | UINT8 Reserved[12];\r | |
| 45 | } EFI_CPU_MICROCODE_HEADER;\r | |
| 46 | \r | |
| 47 | typedef struct {\r | |
| 48 | UINT32 ExtendedSignatureCount;\r | |
| 49 | UINT32 ExtendedTableChecksum;\r | |
| 50 | UINT8 Reserved[12];\r | |
| 51 | } EFI_CPU_MICROCODE_EXTENDED_TABLE_HEADER;\r | |
| 52 | \r | |
| 53 | typedef struct {\r | |
| 54 | UINT32 ProcessorSignature;\r | |
| 55 | UINT32 ProcessorFlag;\r | |
| 56 | UINT32 ProcessorChecksum;\r | |
| 57 | } EFI_CPU_MICROCODE_EXTENDED_TABLE;\r | |
| 58 | \r | |
| 59 | /**\r | |
| 60 | Detect whether specified processor can find matching microcode patch and load it.\r | |
| 61 | \r | |
| 62 | **/\r | |
| 63 | VOID\r | |
| 64 | MicrocodeDetect (\r | |
| 65 | VOID\r | |
| 66 | );\r | |
| 67 | \r | |
| 68 | #endif\r |