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25390997 HW |
1 | /** @file\r |
2 | The microcode patch HOB is used to store the information of:\r | |
3 | A. Base address and size of the loaded microcode patches data;\r | |
4 | B. Detected microcode patch for each processor within system.\r | |
5 | \r | |
6 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r | |
7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
8 | \r | |
9 | **/\r | |
10 | \r | |
11 | #ifndef _MICROCODE_PATCH_HOB_H_\r | |
12 | #define _MICROCODE_PATCH_HOB_H_\r | |
13 | \r | |
14 | extern EFI_GUID gEdkiiMicrocodePatchHobGuid;\r | |
15 | \r | |
16 | //\r | |
17 | // The EDKII microcode patch HOB will be produced by MpInitLib and it can be\r | |
18 | // consumed by modules that want to detect/apply microcode patches.\r | |
19 | //\r | |
20 | typedef struct {\r | |
21 | //\r | |
22 | // The base address of the microcode patches data after being loaded into\r | |
23 | // memory.\r | |
24 | //\r | |
25 | UINT64 MicrocodePatchAddress;\r | |
26 | //\r | |
27 | // The total size of the loaded microcode patches.\r | |
28 | //\r | |
29 | UINT64 MicrocodePatchRegionSize;\r | |
30 | //\r | |
31 | // The number of processors within the system.\r | |
32 | //\r | |
33 | UINT32 ProcessorCount;\r | |
34 | //\r | |
35 | // An array with 'ProcessorCount' elements that stores the offset (with\r | |
36 | // regard to 'MicrocodePatchAddress') of the detected microcode patch\r | |
37 | // (including the CPU_MICROCODE_HEADER data structure) for each processor.\r | |
38 | // If no microcode patch is detected for certain processor, the relating\r | |
39 | // element will be set to MAX_UINT64.\r | |
40 | //\r | |
41 | UINT64 ProcessorSpecificPatchOffset[0];\r | |
42 | } EDKII_MICROCODE_PATCH_HOB;\r | |
43 | \r | |
44 | #endif\r |