| /** @file | |
| Migrated FV information | |
| Copyright (c) 2020 - 2024, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #ifndef __EDKII_MIGRATED_FV_INFO_GUID_H__ | |
| #define __EDKII_MIGRATED_FV_INFO_GUID_H__ | |
| // | |
| // FLAGS_FV_RAW_DATA_COPY indicates FV raw data will be copied to permanent memory | |
| // or not. When FV is migrated to permanent memory, it will be rebased and raw | |
| // data will be lost. This bit can be configured as below values: | |
| // 0: FV raw data will not be used in later phase, and the copy will be skipped to | |
| // optimize boot performance. | |
| // 1: FV raw data will be copied to permanent memory for later phase use (such as | |
| // FV measurement). | |
| // | |
| #define FLAGS_FV_RAW_DATA_COPY BIT0 | |
| /// | |
| /// In real use cases, not all FVs need migrate to permanent memory before TempRam tears | |
| /// down. EDKII_MIGRATION_INFO hob should be published by platform to indicate which | |
| /// FVs need migration to optimize boot performance. If this hob is not detected by Pei | |
| /// Core, all FVs on TempRam will be migrated and FV raw data will also be copied. | |
| /// Only one EDKII_MIGRATION_INFO hob should be published by platform, and this hob will | |
| /// take effect only when migration feature is enabled by PCD. | |
| /// | |
| typedef struct { | |
| UINT32 FvOrgBaseOnTempRam; // Original FV address on Temporary Ram | |
| // | |
| // FV Migration Flags: | |
| // Bit0: Indicate to copy FV raw data or not | |
| // Others: Reserved bits | |
| // | |
| UINT32 FvMigrationFlags; | |
| } TO_MIGRATE_FV_INFO; | |
| typedef struct { | |
| BOOLEAN MigrateAll; // Migrate all FVs and also copy FV raw data | |
| // | |
| // ToMigrateFvCount and ToMigrateFvInfo array indicate which FVs need be migrated, and | |
| // these info should be ignored when MigrateAll field is set to TRUE. | |
| // | |
| UINT32 ToMigrateFvCount; | |
| // TO_MIGRATE_FV_INFO ToMigrateFvInfo[]; | |
| } EDKII_MIGRATION_INFO; | |
| typedef struct { | |
| UINT32 FvOrgBase; // original FV address | |
| UINT32 FvNewBase; // new FV address, 0 means rebased data is not copied | |
| UINT32 FvDataBase; // original FV data, 0 means raw data is not copied | |
| UINT32 FvLength; // Fv Length | |
| } EDKII_MIGRATED_FV_INFO; | |
| extern EFI_GUID gEdkiiMigrationInfoGuid; | |
| extern EFI_GUID gEdkiiMigratedFvInfoGuid; | |
| #endif // #ifndef __EDKII_MIGRATED_FV_INFO_GUID_H__ |