Mirocom/EDK2-fork
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

MdeModulePkg/Core/Pei: Install MigrateTempRamPpi

Browse Source 
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4716

Migrate FSP-T/M binary from temporary RAM to permanent RAM before NEM
tear down. Tcg module will use permanent address of FSP-T/M for
measurement. In MdeModulePkg, PeiCore installs mMigrateTempRamPpi if
PcdMigrateTemporaryRamFirmwareVolumes is True before NEM tear down and
after permanent memory ready.

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Duggapu Chinni B <chinni.b.duggapu@intel.com>
Cc: Chen Gang C <gang.c.chen@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>

Signed-off-by: Zhihao Li <zhihao.li@intel.com>
This commit is contained in:
Zhihao Li
2024-03-08 18:05:23 +08:00
committed by mergify[bot]
parent 537a81ae81
commit 176b9d41f8
6 changed files with 41 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
MdeModulePkg/Include/Guid/MigratedFvInfo.h
View File

@@ -1,7 +1,7 @@
/** @file
Migrated FV information
Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2020 - 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -50,7 +50,7 @@ typedef struct {
typedef struct {
UINT32 FvOrgBase; // original FV address
UINT32 FvNewBase; // new 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;

23
MdeModulePkg/Include/Ppi/MigrateTempRam.h Normal file
View File

@@ -0,0 +1,23 @@
/** @file
This file declares Migrate Temporary Memory PPI.
This PPI is published by the PEI Foundation when temporary RAM needs to evacuate.
Its purpose is to be used as a signal for other PEIMs who can register for a
notification on its installation.
Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PEI_MIGRATE_TEMP_RAM_PPI_H_
#define PEI_MIGRATE_TEMP_RAM_PPI_H_
#define EFI_PEI_MIGRATE_TEMP_RAM_PPI_GUID \
{ \
0xc79dc53b, 0xafcd, 0x4a6a, {0xad, 0x94, 0xa7, 0x6a, 0x3f, 0xa9, 0xe9, 0xc2 } \
}
extern EFI_GUID gEdkiiPeiMigrateTempRamPpiGuid;
#endif