/** @file
|
The definition for Microcode Shadow Info Hob.
|
|
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
**/
|
|
|
#ifndef _MICROCODE_SHADOW_INFO_HOB_H_
|
#define _MICROCODE_SHADOW_INFO_HOB_H_
|
|
///
|
/// The Global ID of a GUIDed HOB used to pass microcode shadow info to DXE Driver.
|
///
|
#define EDKII_MICROCODE_SHADOW_INFO_HOB_GUID \
|
{ \
|
0x658903f9, 0xda66, 0x460d, { 0x8b, 0xb0, 0x9d, 0x2d, 0xdf, 0x65, 0x44, 0x59 } \
|
}
|
|
extern EFI_GUID gEdkiiMicrocodeShadowInfoHobGuid;
|
|
typedef struct {
|
//
|
// An EFI_GUID that defines the contents of StorageContext.
|
//
|
GUID StorageType;
|
//
|
// Number of the microcode patches which have been
|
// relocated to memory.
|
//
|
UINT64 MicrocodeCount;
|
//
|
// An array with MicrocodeCount elements that stores
|
// the shadowed microcode patch address in memory.
|
//
|
UINT64 MicrocodeAddrInMemory[0];
|
//
|
// A buffer which contains details about the storage information
|
// specific to StorageType.
|
//
|
// UINT8 StorageContext[];
|
} EDKII_MICROCODE_SHADOW_INFO_HOB;
|
|
//
|
// An EDKII_MICROCODE_SHADOW_INFO_HOB with StorageType set to below GUID will have
|
// the StorageContext of a EFI_MICROCODE_STORAGE_TYPE_FLASH_CONTEXT strucutre.
|
//
|
#define EFI_MICROCODE_STORAGE_TYPE_FLASH_GUID \
|
{ \
|
0x2cba01b3, 0xd391, 0x4598, { 0x8d, 0x89, 0xb7, 0xfc, 0x39, 0x22, 0xfd, 0x71 } \
|
}
|
|
extern EFI_GUID gEdkiiMicrocodeStorageTypeFlashGuid;
|
|
typedef struct {
|
//
|
// An array with MicrocodeCount elements that stores the original
|
// microcode patch address on flash. The address is placed in same
|
// order as the microcode patches in MicrocodeAddrInMemory.
|
//
|
UINT64 MicrocodeAddressInFlash[0];
|
} EFI_MICROCODE_STORAGE_TYPE_FLASH_CONTEXT;
|
|
#endif
|
