projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |