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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 |